+2008-11-07 David Schleef <ds@schleef.org>
+
+ patch by: Thiago Sousa Santos <thiagossantos@gmail.com>
+
+ * configure.ac:
+ * gst/qtmux/Makefile.am:
+ * gst/qtmux/atoms.c:
+ * gst/qtmux/atoms.h:
+ * gst/qtmux/descriptors.c:
+ * gst/qtmux/descriptors.h:
+ * gst/qtmux/fourcc.h:
+ * gst/qtmux/ftypcc.h:
+ * gst/qtmux/gstqtmux.c:
+ * gst/qtmux/gstqtmux.h:
+ * gst/qtmux/gstqtmuxmap.c:
+ * gst/qtmux/gstqtmuxmap.h:
+ * gst/qtmux/properties.c:
+ * gst/qtmux/properties.h:
+ Copy qtmux from revision 148 of the gst-qtmux repository.
+ Fixes #550280.
+
2008-11-07 Wim Taymans <wim.taymans@collabora.co.uk>
* gst-libs/gst/app/gstappsrc.c: (gst_app_src_class_init),
AG_GST_CHECK_PLUGIN(nsf)
AG_GST_CHECK_PLUGIN(nuvdemux)
AG_GST_CHECK_PLUGIN(pcapparse)
+AG_GST_CHECK_PLUGIN(qtmux)
AG_GST_CHECK_PLUGIN(rawparse)
AG_GST_CHECK_PLUGIN(real)
AG_GST_CHECK_PLUGIN(rtpmanager)
gst/nsf/Makefile
gst/nuvdemux/Makefile
gst/pcapparse/Makefile
+gst/qtmux/Makefile
gst/rawparse/Makefile
gst/rtpmanager/Makefile
gst/scaletempo/Makefile
--- /dev/null
+# plugindir is set in configure
+
+plugin_LTLIBRARIES = libgstqtmux.la
+
+# sources used to compile this plug-in
+libgstqtmux_la_SOURCES = gstqtmux.c \
+ atoms.c \
+ descriptors.c \
+ properties.c \
+ gstqtmuxmap.c
+
+# flags used to compile this plugin
+# add other _CFLAGS and _LIBS as needed
+libgstqtmux_la_CFLAGS = $(GST_CFLAGS) $(GST_BASE_CFLAGS)
+libgstqtmux_la_LIBADD = $(GST_LIBS) $(GST_BASE_LIBS)
+libgstqtmux_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
+
+# headers we need but don't want installed
+noinst_HEADERS = gstqtmux.h \
+ atoms.h \
+ descriptors.h \
+ properties.h \
+ fourcc.h \
+ ftypcc.h \
+ gstqtmuxmap.h
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ * Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "atoms.h"
+#include <string.h>
+#include <glib.h>
+
+/* only needed for gst_util_uint64_scale */
+#include <gst/gst.h>
+
+/**
+ * Creates a new AtomsContext for the given flavor.
+ */
+AtomsContext *
+atoms_context_new (AtomsTreeFlavor flavor)
+{
+ AtomsContext *context = g_new0 (AtomsContext, 1);
+ context->flavor = flavor;
+ return context;
+}
+
+/**
+ * Frees an AtomsContext and all memory associated with it
+ */
+void
+atoms_context_free (AtomsContext * context)
+{
+ g_free (context);
+}
+
+/* -- creation, initialization, clear and free functions -- */
+
+#define SECS_PER_DAY (24 * 60 * 60)
+#define LEAP_YEARS_FROM_1904_TO_1970 17
+
+static guint64
+get_current_qt_time ()
+{
+ GTimeVal timeval;
+
+ g_get_current_time (&timeval);
+ /* FIXME this should use UTC coordinated time */
+ return timeval.tv_sec + (((1970 - 1904) * (guint64) 365) +
+ LEAP_YEARS_FROM_1904_TO_1970) * SECS_PER_DAY;
+}
+
+static void
+common_time_info_init (TimeInfo * ti)
+{
+ ti->creation_time = ti->modification_time = get_current_qt_time ();
+ ti->timescale = 0;
+ ti->duration = 0;
+}
+
+static void
+atom_header_set (Atom * header, guint32 fourcc, gint32 size, gint64 ext_size)
+{
+ header->type = fourcc;
+ header->size = size;
+ header->extended_size = ext_size;
+}
+
+static void
+atom_clear (Atom * atom)
+{
+}
+
+static void
+atom_full_init (AtomFull * full, guint32 fourcc, gint32 size, gint64 ext_size,
+ guint8 version, guint8 flags[3])
+{
+ atom_header_set (&(full->header), fourcc, size, ext_size);
+ full->version = version;
+ full->flags[0] = flags[0];
+ full->flags[1] = flags[1];
+ full->flags[2] = flags[2];
+}
+
+static void
+atom_full_clear (AtomFull * full)
+{
+ atom_clear (&full->header);
+}
+
+static void
+atom_full_free (AtomFull * full)
+{
+ atom_full_clear (full);
+ g_free (full);
+}
+
+static AtomInfo *
+build_atom_info_wrapper (Atom * atom, gpointer copy_func, gpointer free_func)
+{
+ AtomInfo *info = NULL;
+
+ if (atom) {
+ info = g_new0 (AtomInfo, 1);
+
+ info->atom = atom;
+ info->copy_data_func = copy_func;
+ info->free_func = free_func;
+ }
+
+ return info;
+}
+
+static GList *
+atom_info_list_prepend_atom (GList * ai, Atom * atom,
+ AtomCopyDataFunc copy_func, AtomFreeFunc free_func)
+{
+ if (atom)
+ return g_list_prepend (ai,
+ build_atom_info_wrapper (atom, copy_func, free_func));
+ else
+ return ai;
+}
+
+static void
+atom_info_list_free (GList * ai)
+{
+ while (ai) {
+ AtomInfo *info = (AtomInfo *) ai->data;
+
+ info->free_func (info->atom);
+ g_free (info);
+ ai = g_list_delete_link (ai, ai);
+ }
+}
+
+static AtomData *
+atom_data_new (guint32 fourcc)
+{
+ AtomData *data = g_new0 (AtomData, 1);
+
+ atom_header_set (&data->header, fourcc, 0, 0);
+ return data;
+}
+
+static void
+atom_data_alloc_mem (AtomData * data, guint32 size)
+{
+ if (data->data) {
+ g_free (data->data);
+ }
+ data->data = g_new0 (guint8, size);
+ data->datalen = size;
+}
+
+static AtomData *
+atom_data_new_from_gst_buffer (guint32 fourcc, const GstBuffer * buf)
+{
+ AtomData *data = atom_data_new (fourcc);
+
+ atom_data_alloc_mem (data, GST_BUFFER_SIZE (buf));
+ g_memmove (data->data, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
+ return data;
+}
+
+static void
+atom_data_free (AtomData * data)
+{
+ atom_clear (&data->header);
+ g_free (data->data);
+ g_free (data);
+}
+
+static void
+atom_ftyp_init (AtomFTYP * ftyp, guint32 major, guint32 version, GList * brands)
+{
+ gint index;
+ GList *it = NULL;
+
+ atom_header_set (&ftyp->header, FOURCC_ftyp, 16, 0);
+ ftyp->major_brand = major;
+ ftyp->version = version;
+
+ /* always include major brand as compatible brand */
+ ftyp->compatible_brands_size = g_list_length (brands) + 1;
+ ftyp->compatible_brands = g_new (guint32, ftyp->compatible_brands_size);
+
+ ftyp->compatible_brands[0] = major;
+ index = 1;
+ for (it = brands; it != NULL; it = g_list_next (it)) {
+ ftyp->compatible_brands[index++] = GPOINTER_TO_UINT (it->data);
+ }
+}
+
+AtomFTYP *
+atom_ftyp_new (AtomsContext * context, guint32 major, guint32 version,
+ GList * brands)
+{
+ AtomFTYP *ftyp = g_new0 (AtomFTYP, 1);
+
+ atom_ftyp_init (ftyp, major, version, brands);
+ return ftyp;
+}
+
+void
+atom_ftyp_free (AtomFTYP * ftyp)
+{
+ atom_clear (&ftyp->header);
+ g_free (ftyp->compatible_brands);
+ ftyp->compatible_brands = NULL;
+ g_free (ftyp);
+}
+
+static void
+atom_esds_init (AtomESDS * esds)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&esds->header, FOURCC_esds, 0, 0, 0, flags);
+ desc_es_init (&esds->es);
+}
+
+static AtomESDS *
+atom_esds_new ()
+{
+ AtomESDS *esds = g_new0 (AtomESDS, 1);
+
+ atom_esds_init (esds);
+ return esds;
+}
+
+static void
+atom_esds_free (AtomESDS * esds)
+{
+ atom_full_clear (&esds->header);
+ desc_es_descriptor_clear (&esds->es);
+ g_free (esds);
+}
+
+static AtomFRMA *
+atom_frma_new ()
+{
+ AtomFRMA *frma = g_new0 (AtomFRMA, 1);
+
+ atom_header_set (&frma->header, FOURCC_frma, 0, 0);
+ return frma;
+}
+
+static void
+atom_frma_free (AtomFRMA * frma)
+{
+ atom_clear (&frma->header);
+ g_free (frma);
+}
+
+static AtomWAVE *
+atom_wave_new ()
+{
+ AtomWAVE *wave = g_new0 (AtomWAVE, 1);
+
+ atom_header_set (&wave->header, FOURCC_wave, 0, 0);
+ return wave;
+}
+
+static void
+atom_wave_free (AtomWAVE * wave)
+{
+ atom_clear (&wave->header);
+ atom_info_list_free (wave->extension_atoms);
+ g_free (wave);
+}
+
+static void
+atom_sample_entry_init (SampleTableEntry * se, guint32 type)
+{
+ atom_header_set (&se->header, type, 0, 0);
+
+ memset (se->reserved, 0, sizeof (guint8) * 6);
+ se->data_reference_index = 0;
+}
+
+static void
+atom_sample_entry_free (SampleTableEntry * se)
+{
+ atom_clear (&se->header);
+}
+
+static void
+sample_entry_mp4a_init (SampleTableEntryMP4A * mp4a)
+{
+ atom_sample_entry_init (&mp4a->se, FOURCC_mp4a);
+
+ mp4a->version = 0;
+ mp4a->revision_level = 0;
+ mp4a->vendor = 0;
+ mp4a->channels = 2;
+ mp4a->sample_size = 16;
+ mp4a->compression_id = 0;
+ mp4a->packet_size = 0;
+ mp4a->sample_rate = 0;
+ /* following only used if version is 1 */
+ mp4a->samples_per_packet = 0;
+ mp4a->bytes_per_packet = 0;
+ mp4a->bytes_per_frame = 0;
+ mp4a->bytes_per_sample = 0;
+
+ mp4a->extension_atoms = NULL;
+}
+
+static SampleTableEntryMP4A *
+sample_entry_mp4a_new ()
+{
+ SampleTableEntryMP4A *mp4a = g_new0 (SampleTableEntryMP4A, 1);
+
+ sample_entry_mp4a_init (mp4a);
+ return mp4a;
+}
+
+static void
+sample_entry_mp4a_free (SampleTableEntryMP4A * mp4a)
+{
+ atom_sample_entry_free (&mp4a->se);
+ atom_info_list_free (mp4a->extension_atoms);
+ g_free (mp4a);
+}
+
+static void
+sample_entry_mp4v_init (SampleTableEntryMP4V * mp4v, AtomsContext * context)
+{
+ atom_sample_entry_init (&mp4v->se, FOURCC_mp4v);
+
+ mp4v->version = 0;
+ mp4v->revision_level = 0;
+ mp4v->vendor = 0;
+
+ mp4v->temporal_quality = 0;
+ mp4v->spatial_quality = 0;
+
+ /* qt and ISO base media do not contradict, and examples agree */
+ mp4v->horizontal_resolution = 0x00480000;
+ mp4v->vertical_resolution = 0x00480000;
+
+ mp4v->datasize = 0;
+ mp4v->frame_count = 1;
+
+ memset (mp4v->compressor, 0, sizeof (guint8) * 32);
+
+ mp4v->depth = 0;
+ mp4v->color_table_id = 0;
+
+ mp4v->extension_atoms = NULL;
+}
+
+static void
+sample_entry_mp4v_free (SampleTableEntryMP4V * mp4v)
+{
+ atom_sample_entry_free (&mp4v->se);
+ atom_info_list_free (mp4v->extension_atoms);
+ g_free (mp4v);
+}
+
+static SampleTableEntryMP4V *
+sample_entry_mp4v_new (AtomsContext * context)
+{
+ SampleTableEntryMP4V *mp4v = g_new0 (SampleTableEntryMP4V, 1);
+
+ sample_entry_mp4v_init (mp4v, context);
+ return mp4v;
+}
+
+static void
+atom_stsd_init (AtomSTSD * stsd)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&stsd->header, FOURCC_stsd, 0, 0, 0, flags);
+ stsd->entries = NULL;
+}
+
+static void
+atom_stsd_clear (AtomSTSD * stsd)
+{
+ GList *walker;
+
+ atom_full_clear (&stsd->header);
+ walker = stsd->entries;
+ while (walker) {
+ GList *aux = walker;
+ SampleTableEntry *se = (SampleTableEntry *) aux->data;
+
+ walker = g_list_next (walker);
+ stsd->entries = g_list_remove_link (stsd->entries, aux);
+
+ switch (se->kind) {
+ case AUDIO:
+ sample_entry_mp4a_free ((SampleTableEntryMP4A *) se);
+ break;
+ case VIDEO:
+ sample_entry_mp4v_free ((SampleTableEntryMP4V *) se);
+ break;
+ default:
+ /* best possible cleanup */
+ atom_sample_entry_free (se);
+ }
+ g_list_free (aux);
+ }
+}
+
+static void
+atom_ctts_init (AtomCTTS * ctts)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&ctts->header, FOURCC_ctts, 0, 0, 0, flags);
+ ctts->entries = NULL;
+}
+
+static AtomCTTS *
+atom_ctts_new ()
+{
+ AtomCTTS *ctts = g_new0 (AtomCTTS, 1);
+
+ atom_ctts_init (ctts);
+ return ctts;
+}
+
+static void
+atom_ctts_free (AtomCTTS * ctts)
+{
+ GList *walker;
+
+ atom_full_clear (&ctts->header);
+ walker = ctts->entries;
+ while (walker) {
+ GList *aux = walker;
+
+ walker = g_list_next (walker);
+ ctts->entries = g_list_remove_link (ctts->entries, aux);
+ g_free ((CTTSEntry *) aux->data);
+ g_list_free (aux);
+ }
+ g_free (ctts);
+}
+
+static void
+atom_stts_init (AtomSTTS * stts)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&stts->header, FOURCC_stts, 0, 0, 0, flags);
+ stts->entries = NULL;
+}
+
+static void
+atom_stts_clear (AtomSTTS * stts)
+{
+ GList *walker;
+
+ atom_full_clear (&stts->header);
+ walker = stts->entries;
+ while (walker) {
+ GList *aux = walker;
+
+ walker = g_list_next (walker);
+ stts->entries = g_list_remove_link (stts->entries, aux);
+ g_free ((STTSEntry *) aux->data);
+ g_list_free (aux);
+ }
+ stts->n_entries = 0;
+}
+
+static void
+atom_stsz_init (AtomSTSZ * stsz)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&stsz->header, FOURCC_stsz, 0, 0, 0, flags);
+ stsz->sample_size = 0;
+ stsz->table_size = 0;
+ stsz->entries = NULL;
+}
+
+static void
+atom_stsz_clear (AtomSTSZ * stsz)
+{
+ atom_full_clear (&stsz->header);
+ g_list_free (stsz->entries);
+ stsz->entries = NULL;
+ stsz->table_size = 0;
+}
+
+static void
+atom_stsc_init (AtomSTSC * stsc)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&stsc->header, FOURCC_stsc, 0, 0, 0, flags);
+ stsc->entries = NULL;
+ stsc->n_entries = 0;
+}
+
+static void
+atom_stsc_clear (AtomSTSC * stsc)
+{
+ GList *walker;
+
+ atom_full_clear (&stsc->header);
+ walker = stsc->entries;
+ while (walker) {
+ GList *aux = walker;
+
+ walker = g_list_next (walker);
+ stsc->entries = g_list_remove_link (stsc->entries, aux);
+ g_free ((STSCEntry *) aux->data);
+ g_list_free (aux);
+ }
+ stsc->n_entries = 0;
+}
+
+static void
+atom_co64_init (AtomSTCO64 * co64)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&co64->header, FOURCC_co64, 0, 0, 0, flags);
+ co64->entries = NULL;
+ co64->n_entries = 0;
+}
+
+static void
+atom_stco64_clear (AtomSTCO64 * stco64)
+{
+ GList *walker;
+
+ atom_full_clear (&stco64->header);
+ walker = stco64->entries;
+ while (walker) {
+ GList *aux = walker;
+
+ walker = g_list_next (walker);
+ stco64->entries = g_list_remove_link (stco64->entries, aux);
+ g_free ((guint64 *) aux->data);
+ g_list_free (aux);
+ }
+ stco64->n_entries = 0;
+}
+
+static void
+atom_stss_init (AtomSTSS * stss)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&stss->header, FOURCC_stss, 0, 0, 0, flags);
+ stss->entries = NULL;
+ stss->n_entries = 0;
+}
+
+static void
+atom_stss_clear (AtomSTSS * stss)
+{
+ atom_full_clear (&stss->header);
+ g_list_free (stss->entries);
+ stss->entries = NULL;
+ stss->n_entries = 0;
+}
+
+static void
+atom_stbl_init (AtomSTBL * stbl)
+{
+ atom_header_set (&stbl->header, FOURCC_stbl, 0, 0);
+
+ atom_stts_init (&stbl->stts);
+ atom_stss_init (&stbl->stss);
+ atom_stsd_init (&stbl->stsd);
+ atom_stsz_init (&stbl->stsz);
+ atom_stsc_init (&stbl->stsc);
+ stbl->ctts = NULL;
+
+ atom_co64_init (&stbl->stco64);
+}
+
+static void
+atom_stbl_clear (AtomSTBL * stbl)
+{
+ atom_clear (&stbl->header);
+ atom_stsd_clear (&stbl->stsd);
+ atom_stts_clear (&stbl->stts);
+ atom_stss_clear (&stbl->stss);
+ atom_stsc_clear (&stbl->stsc);
+ atom_stsz_clear (&stbl->stsz);
+ if (stbl->ctts) {
+ atom_ctts_free (stbl->ctts);
+ }
+ atom_stco64_clear (&stbl->stco64);
+}
+
+static void
+atom_vmhd_init (AtomVMHD * vmhd, AtomsContext * context)
+{
+ guint8 flags[3] = { 0, 0, 1 };
+
+ atom_full_init (&vmhd->header, FOURCC_vmhd, 0, 0, 0, flags);
+ vmhd->graphics_mode = 0x0;
+ memset (vmhd->opcolor, 0, sizeof (guint16) * 3);
+
+ if (context->flavor == ATOMS_TREE_FLAVOR_MOV) {
+ vmhd->graphics_mode = 0x40;
+ vmhd->opcolor[0] = 32768;
+ vmhd->opcolor[1] = 32768;
+ vmhd->opcolor[2] = 32768;
+ }
+}
+
+static AtomVMHD *
+atom_vmhd_new (AtomsContext * context)
+{
+ AtomVMHD *vmhd = g_new0 (AtomVMHD, 1);
+
+ atom_vmhd_init (vmhd, context);
+ return vmhd;
+}
+
+static void
+atom_vmhd_free (AtomVMHD * vmhd)
+{
+ atom_full_clear (&vmhd->header);
+ g_free (vmhd);
+}
+
+static void
+atom_smhd_init (AtomSMHD * smhd)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&smhd->header, FOURCC_smhd, 0, 0, 0, flags);
+ smhd->balance = 0;
+ smhd->reserved = 0;
+}
+
+static AtomSMHD *
+atom_smhd_new ()
+{
+ AtomSMHD *smhd = g_new0 (AtomSMHD, 1);
+
+ atom_smhd_init (smhd);
+ return smhd;
+}
+
+static void
+atom_smhd_free (AtomSMHD * smhd)
+{
+ atom_full_clear (&smhd->header);
+ g_free (smhd);
+}
+
+static void
+atom_hmhd_free (AtomHMHD * hmhd)
+{
+ atom_full_clear (&hmhd->header);
+ g_free (hmhd);
+}
+
+static void
+atom_hdlr_init (AtomHDLR * hdlr)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&hdlr->header, FOURCC_hdlr, 0, 0, 0, flags);
+
+ hdlr->component_type = 0;
+ hdlr->handler_type = 0;
+ hdlr->manufacturer = 0;
+ hdlr->flags = 0;
+ hdlr->flags_mask = 0;
+ hdlr->name = g_strdup ("");
+}
+
+static AtomHDLR *
+atom_hdlr_new ()
+{
+ AtomHDLR *hdlr = g_new0 (AtomHDLR, 1);
+
+ atom_hdlr_init (hdlr);
+ return hdlr;
+}
+
+static void
+atom_hdlr_clear (AtomHDLR * hdlr)
+{
+ atom_full_clear (&hdlr->header);
+ if (hdlr->name) {
+ g_free (hdlr->name);
+ hdlr->name = NULL;
+ }
+}
+
+static void
+atom_hdlr_free (AtomHDLR * hdlr)
+{
+ atom_hdlr_clear (hdlr);
+ g_free (hdlr);
+}
+
+static void
+atom_url_init (AtomURL * url)
+{
+ guint8 flags[3] = { 0, 0, 1 };
+
+ atom_full_init (&url->header, FOURCC_url_, 0, 0, 0, flags);
+ url->location = NULL;
+}
+
+static void
+atom_url_free (AtomURL * url)
+{
+ atom_full_clear (&url->header);
+ if (url->location) {
+ g_free (url->location);
+ url->location = NULL;
+ }
+ g_free (url);
+}
+
+static AtomURL *
+atom_url_new ()
+{
+ AtomURL *url = g_new0 (AtomURL, 1);
+
+ atom_url_init (url);
+ return url;
+}
+
+static AtomFull *
+atom_alis_new ()
+{
+ guint8 flags[3] = { 0, 0, 1 };
+ AtomFull *alis = g_new0 (AtomFull, 1);
+
+ atom_full_init (alis, FOURCC_alis, 0, 0, 0, flags);
+ return alis;
+}
+
+static void
+atom_dref_init (AtomDREF * dref, AtomsContext * context)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&dref->header, FOURCC_dref, 0, 0, 0, flags);
+
+ /* in either case, alis or url init arranges to set self-contained flag */
+ if (context->flavor == ATOMS_TREE_FLAVOR_MOV) {
+ /* alis dref for qt */
+ AtomFull *alis = atom_alis_new ();
+ dref->entries = g_list_append (dref->entries, alis);
+ } else {
+ /* url for iso spec, as 'alis' not specified there */
+ AtomURL *url = atom_url_new ();
+ dref->entries = g_list_append (dref->entries, url);
+ }
+}
+
+static void
+atom_dref_clear (AtomDREF * dref)
+{
+ GList *walker;
+
+ atom_full_clear (&dref->header);
+ walker = dref->entries;
+ while (walker) {
+ GList *aux = walker;
+ Atom *atom = (Atom *) aux->data;
+
+ walker = g_list_next (walker);
+ dref->entries = g_list_remove_link (dref->entries, aux);
+ switch (atom->type) {
+ case FOURCC_alis:
+ atom_full_free ((AtomFull *) atom);
+ break;
+ case FOURCC_url_:
+ atom_url_free ((AtomURL *) atom);
+ break;
+ default:
+ /* we do nothing, better leak than crash */
+ break;
+ }
+ g_list_free (aux);
+ }
+}
+
+static void
+atom_dinf_init (AtomDINF * dinf, AtomsContext * context)
+{
+ atom_header_set (&dinf->header, FOURCC_dinf, 0, 0);
+ atom_dref_init (&dinf->dref, context);
+}
+
+static void
+atom_dinf_clear (AtomDINF * dinf)
+{
+ atom_clear (&dinf->header);
+ atom_dref_clear (&dinf->dref);
+}
+
+static void
+atom_minf_init (AtomMINF * minf, AtomsContext * context)
+{
+ atom_header_set (&minf->header, FOURCC_minf, 0, 0);
+
+ minf->vmhd = NULL;
+ minf->smhd = NULL;
+ minf->hmhd = NULL;
+
+ if (context->flavor == ATOMS_TREE_FLAVOR_MOV) {
+ minf->hdlr = atom_hdlr_new ();
+ minf->hdlr->component_type = FOURCC_dhlr;
+ minf->hdlr->handler_type = FOURCC_alis;
+ } else {
+ minf->hdlr = NULL;
+ }
+ atom_dinf_init (&minf->dinf, context);
+ atom_stbl_init (&minf->stbl);
+}
+
+static void
+atom_minf_clear_handlers (AtomMINF * minf)
+{
+ if (minf->vmhd) {
+ atom_vmhd_free (minf->vmhd);
+ minf->vmhd = NULL;
+ }
+ if (minf->smhd) {
+ atom_smhd_free (minf->smhd);
+ minf->smhd = NULL;
+ }
+ if (minf->hmhd) {
+ atom_hmhd_free (minf->hmhd);
+ minf->hmhd = NULL;
+ }
+}
+
+static void
+atom_minf_clear (AtomMINF * minf)
+{
+ atom_clear (&minf->header);
+ atom_minf_clear_handlers (minf);
+ if (minf->hdlr) {
+ atom_hdlr_free (minf->hdlr);
+ }
+ atom_dinf_clear (&minf->dinf);
+ atom_stbl_clear (&minf->stbl);
+}
+
+static void
+atom_mdhd_init (AtomMDHD * mdhd)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&mdhd->header, FOURCC_mdhd, 0, 0, 0, flags);
+ common_time_info_init (&mdhd->time_info);
+ mdhd->language_code = 0;
+ mdhd->quality = 0;
+}
+
+static void
+atom_mdhd_clear (AtomMDHD * mdhd)
+{
+ atom_full_clear (&mdhd->header);
+}
+
+static void
+atom_mdia_init (AtomMDIA * mdia, AtomsContext * context)
+{
+ atom_header_set (&mdia->header, FOURCC_mdia, 0, 0);
+
+ atom_mdhd_init (&mdia->mdhd);
+ atom_hdlr_init (&mdia->hdlr);
+ atom_minf_init (&mdia->minf, context);
+}
+
+static void
+atom_mdia_clear (AtomMDIA * mdia)
+{
+ atom_clear (&mdia->header);
+ atom_mdhd_clear (&mdia->mdhd);
+ atom_hdlr_clear (&mdia->hdlr);
+ atom_minf_clear (&mdia->minf);
+}
+
+static void
+atom_tkhd_init (AtomTKHD * tkhd, AtomsContext * context)
+{
+ /*
+ * flags info
+ * 1 -> track enabled
+ * 2 -> track in movie
+ * 4 -> track in preview
+ */
+ guint8 flags[3] = { 0, 0, 7 };
+
+ atom_full_init (&tkhd->header, FOURCC_tkhd, 0, 0, 0, flags);
+
+ tkhd->creation_time = tkhd->modification_time = get_current_qt_time ();
+ tkhd->duration = 0;
+ tkhd->track_ID = 0;
+ tkhd->reserved = 0;
+
+ tkhd->reserved2[0] = tkhd->reserved2[1] = 0;
+ tkhd->layer = 0;
+ tkhd->alternate_group = 0;
+ tkhd->volume = 0;
+ tkhd->reserved3 = 0;
+ memset (tkhd->matrix, 0, sizeof (guint32) * 9);
+ tkhd->matrix[0] = 1 << 16;
+ tkhd->matrix[4] = 1 << 16;
+ tkhd->matrix[8] = 16384 << 16;
+ tkhd->width = 0;
+ tkhd->height = 0;
+}
+
+static void
+atom_tkhd_clear (AtomTKHD * tkhd)
+{
+ atom_full_clear (&tkhd->header);
+}
+
+static void
+atom_trak_init (AtomTRAK * trak, AtomsContext * context)
+{
+ atom_header_set (&trak->header, FOURCC_trak, 0, 0);
+
+ atom_tkhd_init (&trak->tkhd, context);
+ atom_mdia_init (&trak->mdia, context);
+}
+
+AtomTRAK *
+atom_trak_new (AtomsContext * context)
+{
+ AtomTRAK *trak = g_new0 (AtomTRAK, 1);
+
+ atom_trak_init (trak, context);
+ return trak;
+}
+
+static void
+atom_trak_free (AtomTRAK * trak)
+{
+ atom_clear (&trak->header);
+ atom_tkhd_clear (&trak->tkhd);
+ atom_mdia_clear (&trak->mdia);
+ g_free (trak);
+}
+
+static void
+atom_ilst_init (AtomILST * ilst)
+{
+ atom_header_set (&ilst->header, FOURCC_ilst, 0, 0);
+ ilst->entries = NULL;
+}
+
+static AtomILST *
+atom_ilst_new ()
+{
+ AtomILST *ilst = g_new0 (AtomILST, 1);
+
+ atom_ilst_init (ilst);
+ return ilst;
+}
+
+static void
+atom_ilst_free (AtomILST * ilst)
+{
+ if (ilst->entries)
+ atom_info_list_free (ilst->entries);
+ atom_clear (&ilst->header);
+ g_free (ilst);
+}
+
+static void
+atom_meta_init (AtomMETA * meta)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&meta->header, FOURCC_meta, 0, 0, 0, flags);
+ atom_hdlr_init (&meta->hdlr);
+ /* FIXME (ISOM says this is always 0) */
+ meta->hdlr.component_type = FOURCC_mhlr;
+ meta->hdlr.handler_type = FOURCC_mdir;
+ meta->ilst = NULL;
+}
+
+static AtomMETA *
+atom_meta_new ()
+{
+ AtomMETA *meta = g_new0 (AtomMETA, 1);
+
+ atom_meta_init (meta);
+ return meta;
+}
+
+static void
+atom_meta_free (AtomMETA * meta)
+{
+ atom_full_clear (&meta->header);
+ atom_hdlr_clear (&meta->hdlr);
+ atom_ilst_free (meta->ilst);
+ meta->ilst = NULL;
+ g_free (meta);
+}
+
+static void
+atom_udta_init (AtomUDTA * udta)
+{
+ atom_header_set (&udta->header, FOURCC_udta, 0, 0);
+ udta->meta = NULL;
+}
+
+static AtomUDTA *
+atom_udta_new ()
+{
+ AtomUDTA *udta = g_new0 (AtomUDTA, 1);
+
+ atom_udta_init (udta);
+ return udta;
+}
+
+static void
+atom_udta_free (AtomUDTA * udta)
+{
+ atom_clear (&udta->header);
+ atom_meta_free (udta->meta);
+ udta->meta = NULL;
+ g_free (udta);
+}
+
+static void
+atom_tag_data_init (AtomTagData * data)
+{
+ guint8 flags[] = { 0, 0, 0 };
+
+ atom_full_init (&data->header, FOURCC_data, 0, 0, 0, flags);
+}
+
+static void
+atom_tag_data_clear (AtomTagData * data)
+{
+ atom_full_clear (&data->header);
+ g_free (data->data);
+ data->datalen = 0;
+}
+
+/*
+ * Fourcc is the tag fourcc
+ * flags will be truncated to 24bits
+ */
+static AtomTag *
+atom_tag_new (guint32 fourcc, guint32 flags_as_uint)
+{
+ AtomTag *tag = g_new0 (AtomTag, 1);
+
+ tag->header.type = fourcc;
+ atom_tag_data_init (&tag->data);
+ tag->data.header.flags[2] = flags_as_uint & 0xFF;
+ tag->data.header.flags[1] = flags_as_uint & 0xFF00;
+ tag->data.header.flags[0] = flags_as_uint & 0xFF0000;
+ return tag;
+}
+
+static void
+atom_tag_free (AtomTag * tag)
+{
+ atom_clear (&tag->header);
+ atom_tag_data_clear (&tag->data);
+ g_free (tag);
+}
+
+static void
+atom_mvhd_init (AtomMVHD * mvhd)
+{
+ guint8 flags[3] = { 0, 0, 0 };
+
+ atom_full_init (&(mvhd->header), FOURCC_mvhd, sizeof (AtomMVHD), 0, 0, flags);
+
+ common_time_info_init (&mvhd->time_info);
+
+ mvhd->prefered_rate = 1 << 16;
+ mvhd->volume = 1 << 8;
+ mvhd->reserved3 = 0;
+ memset (mvhd->reserved4, 0, sizeof (guint32[2]));
+
+ memset (mvhd->matrix, 0, sizeof (guint32[9]));
+ mvhd->matrix[0] = 1 << 16;
+ mvhd->matrix[4] = 1 << 16;
+ mvhd->matrix[8] = 16384 << 16;
+
+ mvhd->preview_time = 0;
+ mvhd->preview_duration = 0;
+ mvhd->poster_time = 0;
+ mvhd->selection_time = 0;
+ mvhd->selection_duration = 0;
+ mvhd->current_time = 0;
+
+ mvhd->next_track_id = 1;
+}
+
+static void
+atom_mvhd_clear (AtomMVHD * mvhd)
+{
+ atom_full_clear (&mvhd->header);
+}
+
+static void
+atom_moov_init (AtomMOOV * moov, AtomsContext * context)
+{
+ atom_header_set (&(moov->header), FOURCC_moov, 0, 0);
+ atom_mvhd_init (&(moov->mvhd));
+ moov->udta = NULL;
+ moov->traks = NULL;
+}
+
+AtomMOOV *
+atom_moov_new (AtomsContext * context)
+{
+ AtomMOOV *moov = g_new0 (AtomMOOV, 1);
+
+ atom_moov_init (moov, context);
+ return moov;
+}
+
+void
+atom_moov_free (AtomMOOV * moov)
+{
+ GList *walker;
+
+ atom_clear (&moov->header);
+ atom_mvhd_clear (&moov->mvhd);
+
+ walker = moov->traks;
+ while (walker) {
+ GList *aux = walker;
+
+ walker = g_list_next (walker);
+ moov->traks = g_list_remove_link (moov->traks, aux);
+ atom_trak_free ((AtomTRAK *) aux->data);
+ g_list_free (aux);
+ }
+
+ if (moov->udta) {
+ atom_udta_free (moov->udta);
+ moov->udta = NULL;
+ }
+
+ g_free (moov);
+}
+
+/* -- end of init / free -- */
+
+/* -- copy data functions -- */
+
+static guint8
+atom_full_get_version (AtomFull * full)
+{
+ return full->version;
+}
+
+static guint64
+common_time_info_copy_data (TimeInfo * ti, gboolean trunc_to_32,
+ guint8 ** buffer, guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (trunc_to_32) {
+ prop_copy_uint32 ((guint32) ti->creation_time, buffer, size, offset);
+ prop_copy_uint32 ((guint32) ti->modification_time, buffer, size, offset);
+ prop_copy_uint32 (ti->timescale, buffer, size, offset);
+ prop_copy_uint32 ((guint32) ti->duration, buffer, size, offset);
+ } else {
+ prop_copy_uint64 (ti->creation_time, buffer, size, offset);
+ prop_copy_uint64 (ti->modification_time, buffer, size, offset);
+ prop_copy_uint32 (ti->timescale, buffer, size, offset);
+ prop_copy_uint64 (ti->duration, buffer, size, offset);
+ }
+ return *offset - original_offset;
+}
+
+static void
+atom_write_size (guint8 ** buffer, guint64 * size, guint64 * offset,
+ guint64 atom_pos)
+{
+ /* this only works for non-extended atom size, which is OK
+ * (though it could be made to do mem_move, etc and write extended size) */
+ prop_copy_uint32 (*offset - atom_pos, buffer, size, &atom_pos);
+}
+
+guint64
+atom_copy_data (Atom * atom, guint8 ** buffer, guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ /* copies type and size */
+ prop_copy_uint32 (atom->size, buffer, size, offset);
+ prop_copy_fourcc (atom->type, buffer, size, offset);
+
+ /* extended size needed */
+ if (atom->size == 1) {
+ /* really should not happen other than with mdat atom;
+ * would be a problem for size (re)write code, not to mention memory */
+ g_return_val_if_fail (atom->type == FOURCC_mdat, 0);
+ prop_copy_uint64 (atom->extended_size, buffer, size, offset);
+ } else {
+ /* just in case some trivially derived atom does not do so */
+ atom_write_size (buffer, size, offset, original_offset);
+ }
+
+ return *offset - original_offset;
+}
+
+static guint64
+atom_full_copy_data (AtomFull * atom, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&atom->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint8 (atom->version, buffer, size, offset);
+ prop_copy_uint8_array (atom->flags, 3, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_info_list_copy_data (GList * ai, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ while (ai) {
+ AtomInfo *info = (AtomInfo *) ai->data;
+
+ if (!info->copy_data_func (info->atom, buffer, size, offset)) {
+ return 0;
+ }
+ ai = g_list_next (ai);
+ }
+
+ return *offset - original_offset;
+}
+
+static guint64
+atom_data_copy_data (AtomData * data, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&data->header, buffer, size, offset)) {
+ return 0;
+ }
+ if (data->datalen)
+ prop_copy_uint8_array (data->data, data->datalen, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+guint64
+atom_ftyp_copy_data (AtomFTYP * ftyp, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&ftyp->header, buffer, size, offset)) {
+ return 0;
+ }
+ prop_copy_fourcc (ftyp->major_brand, buffer, size, offset);
+ prop_copy_uint32 (ftyp->version, buffer, size, offset);
+
+ prop_copy_fourcc_array (ftyp->compatible_brands, ftyp->compatible_brands_size,
+ buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_mvhd_copy_data (AtomMVHD * atom, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint8 version;
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&(atom->header), buffer, size, offset)) {
+ return 0;
+ }
+
+ version = atom_full_get_version (&(atom->header));
+ if (version == 0) {
+ common_time_info_copy_data (&atom->time_info, TRUE, buffer, size, offset);
+ } else if (version == 1) {
+ common_time_info_copy_data (&atom->time_info, FALSE, buffer, size, offset);
+ } else {
+ *offset = original_offset;
+ return 0;
+ }
+
+ prop_copy_uint32 (atom->prefered_rate, buffer, size, offset);
+ prop_copy_uint16 (atom->volume, buffer, size, offset);
+ prop_copy_uint16 (atom->reserved3, buffer, size, offset);
+ prop_copy_uint32_array (atom->reserved4, 2, buffer, size, offset);
+ prop_copy_uint32_array (atom->matrix, 9, buffer, size, offset);
+ prop_copy_uint32 (atom->preview_time, buffer, size, offset);
+ prop_copy_uint32 (atom->preview_duration, buffer, size, offset);
+ prop_copy_uint32 (atom->poster_time, buffer, size, offset);
+ prop_copy_uint32 (atom->selection_time, buffer, size, offset);
+ prop_copy_uint32 (atom->selection_duration, buffer, size, offset);
+ prop_copy_uint32 (atom->current_time, buffer, size, offset);
+
+ prop_copy_uint32 (atom->next_track_id, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_tkhd_copy_data (AtomTKHD * tkhd, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&tkhd->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (atom_full_get_version (&tkhd->header) == 0) {
+ prop_copy_uint32 ((guint32) tkhd->creation_time, buffer, size, offset);
+ prop_copy_uint32 ((guint32) tkhd->modification_time, buffer, size, offset);
+ prop_copy_uint32 (tkhd->track_ID, buffer, size, offset);
+ prop_copy_uint32 (tkhd->reserved, buffer, size, offset);
+ prop_copy_uint32 ((guint32) tkhd->duration, buffer, size, offset);
+ } else {
+ prop_copy_uint64 (tkhd->creation_time, buffer, size, offset);
+ prop_copy_uint64 (tkhd->modification_time, buffer, size, offset);
+ prop_copy_uint32 (tkhd->track_ID, buffer, size, offset);
+ prop_copy_uint32 (tkhd->reserved, buffer, size, offset);
+ prop_copy_uint64 (tkhd->duration, buffer, size, offset);
+ }
+
+ prop_copy_uint32_array (tkhd->reserved2, 2, buffer, size, offset);
+ prop_copy_uint16 (tkhd->layer, buffer, size, offset);
+ prop_copy_uint16 (tkhd->alternate_group, buffer, size, offset);
+ prop_copy_uint16 (tkhd->volume, buffer, size, offset);
+ prop_copy_uint16 (tkhd->reserved3, buffer, size, offset);
+ prop_copy_uint32_array (tkhd->matrix, 9, buffer, size, offset);
+
+ prop_copy_uint32 (tkhd->width, buffer, size, offset);
+ prop_copy_uint32 (tkhd->height, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_hdlr_copy_data (AtomHDLR * hdlr, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&hdlr->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_fourcc (hdlr->component_type, buffer, size, offset);
+ prop_copy_fourcc (hdlr->handler_type, buffer, size, offset);
+ prop_copy_fourcc (hdlr->manufacturer, buffer, size, offset);
+ prop_copy_uint32 (hdlr->flags, buffer, size, offset);
+ prop_copy_uint32 (hdlr->flags_mask, buffer, size, offset);
+
+ prop_copy_null_terminated_string (hdlr->name, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_vmhd_copy_data (AtomVMHD * vmhd, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&vmhd->header, buffer, size, offset)) {
+ return 0;
+ }
+ prop_copy_uint16 (vmhd->graphics_mode, buffer, size, offset);
+ prop_copy_uint16_array (vmhd->opcolor, 3, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return original_offset - *offset;
+}
+
+static guint64
+atom_smhd_copy_data (AtomSMHD * smhd, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&smhd->header, buffer, size, offset)) {
+ return 0;
+ }
+ prop_copy_uint16 (smhd->balance, buffer, size, offset);
+ prop_copy_uint16 (smhd->reserved, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return original_offset - *offset;
+}
+
+static guint64
+atom_hmhd_copy_data (AtomHMHD * hmhd, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&hmhd->header, buffer, size, offset)) {
+ return 0;
+ }
+ prop_copy_uint16 (hmhd->max_pdu_size, buffer, size, offset);
+ prop_copy_uint16 (hmhd->avg_pdu_size, buffer, size, offset);
+ prop_copy_uint32 (hmhd->max_bitrate, buffer, size, offset);
+ prop_copy_uint32 (hmhd->avg_bitrate, buffer, size, offset);
+ prop_copy_uint32 (hmhd->sliding_avg_bitrate, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return original_offset - *offset;
+}
+
+static gboolean
+atom_url_same_file_flag (AtomURL * url)
+{
+ return (url->header.flags[2] & 0x1) == 1;
+}
+
+static guint64
+atom_url_copy_data (AtomURL * url, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&url->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (!atom_url_same_file_flag (url)) {
+ prop_copy_null_terminated_string (url->location, buffer, size, offset);
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return original_offset - *offset;
+}
+
+static guint64
+atom_stts_copy_data (AtomSTTS * stts, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+
+ if (!atom_full_copy_data (&stts->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (stts->n_entries, buffer, size, offset);
+ /* minimize realloc */
+ prop_copy_ensure_buffer (buffer, size, offset, 8 * stts->n_entries);
+ for (walker = g_list_last (stts->entries); walker != NULL;
+ walker = g_list_previous (walker)) {
+ STTSEntry *entry = (STTSEntry *) walker->data;
+
+ prop_copy_uint32 (entry->sample_count, buffer, size, offset);
+ prop_copy_int32 (entry->sample_delta, buffer, size, offset);
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_sample_entry_copy_data (SampleTableEntry * se, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&se->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint8_array (se->reserved, 6, buffer, size, offset);
+ prop_copy_uint16 (se->data_reference_index, buffer, size, offset);
+
+ return *offset - original_offset;
+}
+
+static guint64
+atom_esds_copy_data (AtomESDS * esds, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&esds->header, buffer, size, offset)) {
+ return 0;
+ }
+ if (!desc_es_descriptor_copy_data (&esds->es, buffer, size, offset)) {
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_frma_copy_data (AtomFRMA * frma, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&(frma->header), buffer, size, offset))
+ return 0;
+
+ prop_copy_fourcc (frma->media_type, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_mp4s_copy_data (SampleTableEntryMP4S * mp4s, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_sample_entry_copy_data (&mp4s->se, buffer, size, offset)) {
+ return 0;
+ }
+ if (!atom_esds_copy_data (&mp4s->es, buffer, size, offset)) {
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_hint_sample_entry_copy_data (AtomHintSampleEntry * hse, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_sample_entry_copy_data (&hse->se, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (hse->size, buffer, size, offset);
+ prop_copy_uint8_array (hse->data, hse->size, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+sample_entry_mp4a_copy_data (SampleTableEntryMP4A * mp4a, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_sample_entry_copy_data (&mp4a->se, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint16 (mp4a->version, buffer, size, offset);
+ prop_copy_uint16 (mp4a->revision_level, buffer, size, offset);
+ prop_copy_uint32 (mp4a->vendor, buffer, size, offset);
+ prop_copy_uint16 (mp4a->channels, buffer, size, offset);
+ prop_copy_uint16 (mp4a->sample_size, buffer, size, offset);
+ prop_copy_uint16 (mp4a->compression_id, buffer, size, offset);
+ prop_copy_uint16 (mp4a->packet_size, buffer, size, offset);
+ prop_copy_uint32 (mp4a->sample_rate, buffer, size, offset);
+
+ /* this should always be 0 for mp4 flavor */
+ if (mp4a->version == 1) {
+ prop_copy_uint32 (mp4a->samples_per_packet, buffer, size, offset);
+ prop_copy_uint32 (mp4a->bytes_per_packet, buffer, size, offset);
+ prop_copy_uint32 (mp4a->bytes_per_frame, buffer, size, offset);
+ prop_copy_uint32 (mp4a->bytes_per_sample, buffer, size, offset);
+ }
+
+ if (mp4a->extension_atoms) {
+ if (!atom_info_list_copy_data (mp4a->extension_atoms, buffer, size, offset))
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+sample_entry_mp4v_copy_data (SampleTableEntryMP4V * mp4v, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_sample_entry_copy_data (&mp4v->se, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint16 (mp4v->version, buffer, size, offset);
+ prop_copy_uint16 (mp4v->revision_level, buffer, size, offset);
+ prop_copy_fourcc (mp4v->vendor, buffer, size, offset);
+ prop_copy_uint32 (mp4v->temporal_quality, buffer, size, offset);
+ prop_copy_uint32 (mp4v->spatial_quality, buffer, size, offset);
+
+ prop_copy_uint16 (mp4v->width, buffer, size, offset);
+ prop_copy_uint16 (mp4v->height, buffer, size, offset);
+
+ prop_copy_uint32 (mp4v->horizontal_resolution, buffer, size, offset);
+ prop_copy_uint32 (mp4v->vertical_resolution, buffer, size, offset);
+ prop_copy_uint32 (mp4v->datasize, buffer, size, offset);
+
+ prop_copy_uint16 (mp4v->frame_count, buffer, size, offset);
+
+ prop_copy_fixed_size_string ((guint8 *) mp4v->compressor, 32, buffer, size,
+ offset);
+
+ prop_copy_uint16 (mp4v->depth, buffer, size, offset);
+ prop_copy_uint16 (mp4v->color_table_id, buffer, size, offset);
+
+ /* extra atoms */
+ if (mp4v->extension_atoms &&
+ !atom_info_list_copy_data (mp4v->extension_atoms, buffer, size, offset))
+ return 0;
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_stsz_copy_data (AtomSTSZ * stsz, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+
+ if (!atom_full_copy_data (&stsz->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (stsz->sample_size, buffer, size, offset);
+ prop_copy_uint32 (stsz->table_size, buffer, size, offset);
+ /* minimize realloc */
+ prop_copy_ensure_buffer (buffer, size, offset, 4 * stsz->table_size);
+ if (stsz->sample_size == 0) {
+ for (walker = g_list_last (stsz->entries); walker != NULL;
+ walker = g_list_previous (walker)) {
+ prop_copy_uint32 ((guint32) GPOINTER_TO_UINT (walker->data), buffer, size,
+ offset);
+ }
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_stsc_copy_data (AtomSTSC * stsc, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+
+ if (!atom_full_copy_data (&stsc->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (stsc->n_entries, buffer, size, offset);
+ /* minimize realloc */
+ prop_copy_ensure_buffer (buffer, size, offset, 12 * stsc->n_entries);
+
+ for (walker = g_list_last (stsc->entries); walker != NULL;
+ walker = g_list_previous (walker)) {
+ STSCEntry *entry = (STSCEntry *) walker->data;
+
+ prop_copy_uint32 (entry->first_chunk, buffer, size, offset);
+ prop_copy_uint32 (entry->samples_per_chunk, buffer, size, offset);
+ prop_copy_uint32 (entry->sample_description_index, buffer, size, offset);
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_ctts_copy_data (AtomCTTS * ctts, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+
+ if (!atom_full_copy_data (&ctts->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (ctts->n_entries, buffer, size, offset);
+ /* minimize realloc */
+ prop_copy_ensure_buffer (buffer, size, offset, 8 * ctts->n_entries);
+ for (walker = g_list_last (ctts->entries); walker != NULL;
+ walker = g_list_previous (walker)) {
+ CTTSEntry *entry = (CTTSEntry *) walker->data;
+
+ prop_copy_uint32 (entry->samplecount, buffer, size, offset);
+ prop_copy_uint32 (entry->sampleoffset, buffer, size, offset);
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_stco64_copy_data (AtomSTCO64 * stco64, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+ gboolean trunc_to_32 = stco64->header.header.type == FOURCC_stco;
+
+ if (!atom_full_copy_data (&stco64->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (stco64->n_entries, buffer, size, offset);
+
+ /* minimize realloc */
+ prop_copy_ensure_buffer (buffer, size, offset, 8 * stco64->n_entries);
+ for (walker = g_list_last (stco64->entries); walker != NULL;
+ walker = g_list_previous (walker)) {
+ guint64 *value = (guint64 *) walker->data;
+
+ if (trunc_to_32) {
+ prop_copy_uint32 ((guint32) * value, buffer, size, offset);
+ } else {
+ prop_copy_uint64 (*value, buffer, size, offset);
+ }
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_stss_copy_data (AtomSTSS * stss, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+
+ if (stss->entries == NULL) {
+ /* FIXME not needing this atom might be confused with error while copying */
+ return 0;
+ }
+
+ if (!atom_full_copy_data (&stss->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (stss->n_entries, buffer, size, offset);
+ /* minimize realloc */
+ prop_copy_ensure_buffer (buffer, size, offset, 4 * stss->n_entries);
+ for (walker = g_list_last (stss->entries); walker != NULL;
+ walker = g_list_previous (walker)) {
+ prop_copy_uint32 ((guint32) GPOINTER_TO_UINT (walker->data), buffer, size,
+ offset);
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_stsd_copy_data (AtomSTSD * stsd, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+
+ if (!atom_full_copy_data (&stsd->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (stsd->n_entries, buffer, size, offset);
+
+ for (walker = g_list_last (stsd->entries); walker != NULL;
+ walker = g_list_previous (walker)) {
+ SampleTableEntry *se = (SampleTableEntry *) walker->data;
+
+ switch (((Atom *) walker->data)->type) {
+ case FOURCC_mp4a:
+ if (!sample_entry_mp4a_copy_data ((SampleTableEntryMP4A *) walker->data,
+ buffer, size, offset)) {
+ return 0;
+ }
+ break;
+ case FOURCC_mp4s:
+ if (!atom_mp4s_copy_data ((SampleTableEntryMP4S *) walker->data,
+ buffer, size, offset)) {
+ return 0;
+ }
+ break;
+ case FOURCC_mp4v:
+ if (!sample_entry_mp4v_copy_data ((SampleTableEntryMP4V *) walker->data,
+ buffer, size, offset)) {
+ return 0;
+ }
+ break;
+ default:
+ if (se->kind == VIDEO) {
+ size +=
+ sample_entry_mp4v_copy_data ((SampleTableEntryMP4V *) walker->
+ data, buffer, size, offset);
+ } else if (se->kind == AUDIO) {
+ size +=
+ sample_entry_mp4a_copy_data ((SampleTableEntryMP4A *) walker->
+ data, buffer, size, offset);
+ } else {
+ if (!atom_hint_sample_entry_copy_data (
+ (AtomHintSampleEntry *) walker->data, buffer, size, offset)) {
+ return 0;
+ }
+ }
+ break;
+ }
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_stbl_copy_data (AtomSTBL * stbl, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&stbl->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (!atom_stsd_copy_data (&stbl->stsd, buffer, size, offset)) {
+ return 0;
+ }
+ if (!atom_stts_copy_data (&stbl->stts, buffer, size, offset)) {
+ return 0;
+ }
+ /* this atom is optional, so let's check if we need it
+ * (to avoid false error) */
+ if (stbl->stss.entries) {
+ if (!atom_stss_copy_data (&stbl->stss, buffer, size, offset)) {
+ return 0;
+ }
+ }
+
+ if (!atom_stsc_copy_data (&stbl->stsc, buffer, size, offset)) {
+ return 0;
+ }
+ if (!atom_stsz_copy_data (&stbl->stsz, buffer, size, offset)) {
+ return 0;
+ }
+ if (stbl->ctts) {
+ if (!atom_ctts_copy_data (stbl->ctts, buffer, size, offset)) {
+ return 0;
+ }
+ }
+ if (!atom_stco64_copy_data (&stbl->stco64, buffer, size, offset)) {
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return original_offset - *offset;
+}
+
+
+static guint64
+atom_dref_copy_data (AtomDREF * dref, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+
+ if (!atom_full_copy_data (&dref->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (g_list_length (dref->entries), buffer, size, offset);
+
+ walker = dref->entries;
+ while (walker != NULL) {
+ Atom *atom = (Atom *) walker->data;
+
+ if (atom->type == FOURCC_url_) {
+ atom_url_copy_data ((AtomURL *) atom, buffer, size, offset);
+ } else if (atom->type == FOURCC_alis) {
+ atom_full_copy_data ((AtomFull *) atom, buffer, size, offset);
+ } else {
+ g_error ("Unsupported atom used inside dref atom");
+ }
+ walker = g_list_next (walker);
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_dinf_copy_data (AtomDINF * dinf, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&dinf->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (!atom_dref_copy_data (&dinf->dref, buffer, size, offset)) {
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return original_offset - *offset;
+}
+
+static guint64
+atom_minf_copy_data (AtomMINF * minf, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&minf->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (minf->vmhd) {
+ if (!atom_vmhd_copy_data (minf->vmhd, buffer, size, offset)) {
+ return 0;
+ }
+ } else if (minf->smhd) {
+ if (!atom_smhd_copy_data (minf->smhd, buffer, size, offset)) {
+ return 0;
+ }
+ } else if (minf->hmhd) {
+ if (!atom_hmhd_copy_data (minf->hmhd, buffer, size, offset)) {
+ return 0;
+ }
+ }
+
+ if (minf->hdlr) {
+ if (!atom_hdlr_copy_data (minf->hdlr, buffer, size, offset)) {
+ return 0;
+ }
+ }
+
+ if (!atom_dinf_copy_data (&minf->dinf, buffer, size, offset)) {
+ return 0;
+ }
+ if (!atom_stbl_copy_data (&minf->stbl, buffer, size, offset)) {
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_mdhd_copy_data (AtomMDHD * mdhd, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&mdhd->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (!common_time_info_copy_data (&mdhd->time_info,
+ atom_full_get_version (&mdhd->header) == 0, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint16 (mdhd->language_code, buffer, size, offset);
+ prop_copy_uint16 (mdhd->quality, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_mdia_copy_data (AtomMDIA * mdia, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&mdia->header, buffer, size, offset)) {
+ return 0;
+ }
+ if (!atom_mdhd_copy_data (&mdia->mdhd, buffer, size, offset)) {
+ return 0;
+ }
+ if (!atom_hdlr_copy_data (&mdia->hdlr, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (!atom_minf_copy_data (&mdia->minf, buffer, size, offset)) {
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_trak_copy_data (AtomTRAK * trak, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&trak->header, buffer, size, offset)) {
+ return 0;
+ }
+ if (!atom_tkhd_copy_data (&trak->tkhd, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (!atom_mdia_copy_data (&trak->mdia, buffer, size, offset)) {
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_tag_data_copy_data (AtomTagData * data, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&data->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint32 (data->reserved, buffer, size, offset);
+ prop_copy_uint8_array (data->data, data->datalen, buffer, size, offset);
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_tag_copy_data (AtomTag * tag, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&tag->header, buffer, size, offset)) {
+ return 0;
+ }
+
+ if (!atom_tag_data_copy_data (&tag->data, buffer, size, offset)) {
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_ilst_copy_data (AtomILST * ilst, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&ilst->header, buffer, size, offset)) {
+ return 0;
+ }
+ /* extra atoms */
+ if (ilst->entries &&
+ !atom_info_list_copy_data (ilst->entries, buffer, size, offset))
+ return 0;
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_meta_copy_data (AtomMETA * meta, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_full_copy_data (&meta->header, buffer, size, offset)) {
+ return 0;
+ }
+ if (!atom_hdlr_copy_data (&meta->hdlr, buffer, size, offset)) {
+ return 0;
+ }
+ if (meta->ilst) {
+ if (!atom_ilst_copy_data (meta->ilst, buffer, size, offset)) {
+ return 0;
+ }
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_udta_copy_data (AtomUDTA * udta, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&udta->header, buffer, size, offset)) {
+ return 0;
+ }
+ if (udta->meta) {
+ if (!atom_meta_copy_data (udta->meta, buffer, size, offset)) {
+ return 0;
+ }
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+guint64
+atom_moov_copy_data (AtomMOOV * atom, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ GList *walker;
+
+ if (!atom_copy_data (&(atom->header), buffer, size, offset))
+ return 0;
+
+ if (!atom_mvhd_copy_data (&(atom->mvhd), buffer, size, offset))
+ return 0;
+
+ walker = g_list_first (atom->traks);
+ while (walker != NULL) {
+ if (!atom_trak_copy_data ((AtomTRAK *) walker->data, buffer, size, offset)) {
+ return 0;
+ }
+ walker = g_list_next (walker);
+ }
+
+ if (atom->udta) {
+ if (!atom_udta_copy_data (atom->udta, buffer, size, offset)) {
+ return 0;
+ }
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+static guint64
+atom_wave_copy_data (AtomWAVE * wave, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!atom_copy_data (&(wave->header), buffer, size, offset))
+ return 0;
+
+ if (wave->extension_atoms) {
+ if (!atom_info_list_copy_data (wave->extension_atoms, buffer, size, offset))
+ return 0;
+ }
+
+ atom_write_size (buffer, size, offset, original_offset);
+ return *offset - original_offset;
+}
+
+/* -- end of copy data functions -- */
+
+/* -- general functions, API and support functions */
+
+/* add samples to tables */
+
+static STSCEntry *
+stsc_entry_new (guint32 first_chunk, guint32 samples, guint32 desc_index)
+{
+ STSCEntry *entry = g_new0 (STSCEntry, 1);
+
+ entry->first_chunk = first_chunk;
+ entry->samples_per_chunk = samples;
+ entry->sample_description_index = desc_index;
+ return entry;
+}
+
+static void
+atom_stsc_add_new_entry (AtomSTSC * stsc, guint32 first_chunk, guint32 nsamples)
+{
+ stsc->entries =
+ g_list_prepend (stsc->entries, stsc_entry_new (first_chunk, nsamples, 1));
+ stsc->n_entries++;
+}
+
+static STTSEntry *
+stts_entry_new (guint32 sample_count, gint32 sample_delta)
+{
+ STTSEntry *entry = g_new0 (STTSEntry, 1);
+
+ entry->sample_count = sample_count;
+ entry->sample_delta = sample_delta;
+ return entry;
+}
+
+static void
+atom_stts_add_entry (AtomSTTS * stts, guint32 sample_count, gint32 sample_delta)
+{
+ STTSEntry *entry;
+
+ if (stts->entries == NULL) {
+ stts->entries =
+ g_list_prepend (stts->entries, stts_entry_new (sample_count,
+ sample_delta));
+ stts->n_entries++;
+ return;
+ }
+ entry = (STTSEntry *) g_list_first (stts->entries)->data;
+ if (entry->sample_delta == sample_delta) {
+ entry->sample_count += sample_count;
+ } else {
+ stts->entries =
+ g_list_prepend (stts->entries, stts_entry_new (sample_count,
+ sample_delta));
+ stts->n_entries++;
+ }
+}
+
+static void
+atom_stsz_add_entry (AtomSTSZ * stsz, guint32 nsamples, guint32 size)
+{
+ guint32 i;
+
+ stsz->table_size += nsamples;
+ if (stsz->sample_size != 0) {
+ /* it is constant size, we don't need entries */
+ return;
+ }
+ for (i = 0; i < nsamples; i++) {
+ stsz->entries = g_list_prepend (stsz->entries, GUINT_TO_POINTER (size));
+ }
+}
+
+static guint32
+atom_stco64_get_entry_count (AtomSTCO64 * stco64)
+{
+ return stco64->n_entries;
+}
+
+static void
+atom_stco64_add_entry (AtomSTCO64 * stco64, guint64 entry)
+{
+ guint64 *pont = g_new (guint64, 1);
+
+ *pont = entry;
+ stco64->entries = g_list_prepend (stco64->entries, pont);
+ stco64->n_entries++;
+}
+
+static void
+atom_stss_add_entry (AtomSTSS * stss, guint32 sample)
+{
+ stss->entries = g_list_prepend (stss->entries, GUINT_TO_POINTER (sample));
+ stss->n_entries++;
+}
+
+static void
+atom_stbl_add_stss_entry (AtomSTBL * stbl)
+{
+ guint32 sample_index = stbl->stsz.table_size;
+
+ atom_stss_add_entry (&stbl->stss, sample_index);
+}
+
+static void
+atom_ctts_add_entry (AtomCTTS * ctts, guint32 nsamples, guint32 offset)
+{
+ GList *walker;
+ CTTSEntry *entry;
+
+ walker = g_list_first (ctts->entries);
+ entry = (walker == NULL) ? NULL : (CTTSEntry *) walker->data;
+
+ if (entry == NULL || entry->sampleoffset != offset) {
+ CTTSEntry *entry = g_new0 (CTTSEntry, 1);
+
+ entry->samplecount = nsamples;
+ entry->sampleoffset = offset;
+ ctts->entries = g_list_prepend (ctts->entries, entry);
+ ctts->n_entries++;
+ } else {
+ entry->samplecount += nsamples;
+ }
+}
+
+static void
+atom_stbl_add_ctts_entry (AtomSTBL * stbl, guint32 nsamples, guint32 offset)
+{
+ if (stbl->ctts == NULL) {
+ stbl->ctts = atom_ctts_new ();
+ }
+ atom_ctts_add_entry (stbl->ctts, nsamples, offset);
+}
+
+void
+atom_trak_add_samples (AtomTRAK * trak, guint32 nsamples, guint32 delta,
+ guint32 size, guint64 chunk_offset, gboolean sync,
+ gboolean do_pts, gint64 pts_offset)
+{
+ AtomSTBL *stbl = &trak->mdia.minf.stbl;
+
+ atom_stts_add_entry (&stbl->stts, nsamples, delta);
+ atom_stsz_add_entry (&stbl->stsz, nsamples, size);
+ atom_stco64_add_entry (&stbl->stco64, chunk_offset);
+ atom_stsc_add_new_entry (&stbl->stsc,
+ atom_stco64_get_entry_count (&stbl->stco64), nsamples);
+ if (sync)
+ atom_stbl_add_stss_entry (stbl);
+ if (do_pts)
+ atom_stbl_add_ctts_entry (stbl, nsamples, pts_offset);
+}
+
+/* trak and moov molding */
+
+guint32
+atom_trak_get_timescale (AtomTRAK * trak)
+{
+ return trak->mdia.mdhd.time_info.timescale;
+}
+
+static void
+atom_trak_set_id (AtomTRAK * trak, guint32 id)
+{
+ trak->tkhd.track_ID = id;
+}
+
+void
+atom_moov_add_trak (AtomMOOV * moov, AtomTRAK * trak)
+{
+ atom_trak_set_id (trak, moov->mvhd.next_track_id++);
+ moov->traks = g_list_append (moov->traks, trak);
+}
+
+static guint64
+atom_trak_get_duration (AtomTRAK * trak)
+{
+ return trak->tkhd.duration;
+}
+
+static guint64
+atom_stts_get_total_duration (AtomSTTS * stts)
+{
+ GList *walker = stts->entries;
+ guint64 sum = 0;
+
+ while (walker) {
+ STTSEntry *entry = (STTSEntry *) walker->data;
+
+ sum += (guint64) (entry->sample_count) * entry->sample_delta;
+ walker = g_list_next (walker);
+ }
+ return sum;
+}
+
+static void
+atom_trak_update_duration (AtomTRAK * trak, guint64 moov_timescale)
+{
+ trak->mdia.mdhd.time_info.duration =
+ atom_stts_get_total_duration (&trak->mdia.minf.stbl.stts);
+ trak->tkhd.duration =
+ gst_util_uint64_scale (trak->mdia.mdhd.time_info.duration, moov_timescale,
+ trak->mdia.mdhd.time_info.timescale);
+}
+
+static guint32
+atom_moov_get_timescale (AtomMOOV * moov)
+{
+ return moov->mvhd.time_info.timescale;
+}
+
+void
+atom_moov_update_timescale (AtomMOOV * moov, guint32 timescale)
+{
+ moov->mvhd.time_info.timescale = timescale;
+}
+
+void
+atom_moov_update_duration (AtomMOOV * moov)
+{
+ GList *traks = moov->traks;
+ guint64 dur, duration = 0;
+
+ while (traks) {
+ AtomTRAK *trak = (AtomTRAK *) traks->data;
+
+ atom_trak_update_duration (trak, atom_moov_get_timescale (moov));
+ dur = atom_trak_get_duration (trak);
+ if (dur > duration)
+ duration = dur;
+ traks = g_list_next (traks);
+ }
+ moov->mvhd.time_info.duration = duration;
+}
+
+static void
+atom_set_type (Atom * atom, guint32 fourcc)
+{
+ atom->type = fourcc;
+}
+
+static void
+atom_stbl_set_64bits (AtomSTBL * stbl, gboolean use)
+{
+ if (use) {
+ atom_set_type (&stbl->stco64.header.header, FOURCC_co64);
+ } else {
+ atom_set_type (&stbl->stco64.header.header, FOURCC_stco);
+ }
+}
+
+static void
+atom_trak_set_64bits (AtomTRAK * trak, gboolean use)
+{
+ atom_stbl_set_64bits (&trak->mdia.minf.stbl, use);
+}
+
+void
+atom_moov_set_64bits (AtomMOOV * moov, gboolean large_file)
+{
+ GList *traks = moov->traks;
+
+ while (traks) {
+ AtomTRAK *trak = (AtomTRAK *) traks->data;
+
+ atom_trak_set_64bits (trak, large_file);
+ traks = g_list_next (traks);
+ }
+}
+
+static void
+atom_stco64_chunks_add_offset (AtomSTCO64 * stco64, guint32 offset)
+{
+ GList *entries = stco64->entries;
+
+ while (entries) {
+ guint64 *value = (guint64 *) entries->data;
+
+ *value += offset;
+ entries = g_list_next (entries);
+ }
+}
+
+void
+atom_moov_chunks_add_offset (AtomMOOV * moov, guint32 offset)
+{
+ GList *traks = moov->traks;
+
+ while (traks) {
+ AtomTRAK *trak = (AtomTRAK *) traks->data;
+
+ atom_stco64_chunks_add_offset (&trak->mdia.minf.stbl.stco64, offset);
+ traks = g_list_next (traks);
+ }
+}
+
+/*
+ * Meta tags functions
+ */
+static void
+atom_moov_init_metatags (AtomMOOV * moov)
+{
+ if (!moov->udta) {
+ moov->udta = atom_udta_new ();
+ }
+ if (!moov->udta->meta) {
+ moov->udta->meta = atom_meta_new ();
+ }
+ if (!moov->udta->meta->ilst) {
+ moov->udta->meta->ilst = atom_ilst_new ();
+ }
+}
+
+static void
+atom_tag_data_alloc_data (AtomTagData * data, guint size)
+{
+ if (data->data != NULL) {
+ g_free (data->data);
+ }
+ data->data = g_new0 (guint8, size);
+ data->datalen = size;
+}
+
+static void
+atom_moov_append_tag (AtomMOOV * moov, AtomInfo * tag)
+{
+ AtomILST *ilst;
+
+ ilst = moov->udta->meta->ilst;
+ ilst->entries = g_list_append (ilst->entries, tag);
+}
+
+void
+atom_moov_add_tag (AtomMOOV * moov, guint32 fourcc, guint32 flags,
+ const guint8 * data, guint size)
+{
+ AtomTag *tag;
+ AtomTagData *tdata;
+
+ tag = atom_tag_new (fourcc, flags);
+ tdata = &tag->data;
+ atom_tag_data_alloc_data (tdata, size);
+ g_memmove (tdata->data, data, size);
+
+ atom_moov_init_metatags (moov);
+ atom_moov_append_tag (moov,
+ build_atom_info_wrapper ((Atom *) tag, atom_tag_copy_data,
+ atom_tag_free));
+}
+
+void
+atom_moov_add_str_tag (AtomMOOV * moov, guint32 fourcc, const gchar * value)
+{
+ gint len = strlen (value);
+
+ if (len > 0)
+ atom_moov_add_tag (moov, fourcc, METADATA_TEXT_FLAG, (guint8 *) value, len);
+}
+
+void
+atom_moov_add_uint_tag (AtomMOOV * moov, guint32 fourcc, guint32 flags,
+ guint32 value)
+{
+ guint8 data[8] = { 0, };
+
+ if (flags) {
+ GST_WRITE_UINT16_BE (data, value);
+ atom_moov_add_tag (moov, fourcc, flags, data, 2);
+ } else {
+ GST_WRITE_UINT32_BE (data + 2, value);
+ atom_moov_add_tag (moov, fourcc, flags, data, 8);
+ }
+}
+
+void
+atom_moov_add_blob_tag (AtomMOOV * moov, guint8 * data, guint size)
+{
+ AtomData *data_atom;
+ GstBuffer *buf;
+ guint len;
+ guint32 fourcc;
+
+ if (size < 8)
+ return;
+
+ /* blob is unparsed atom;
+ * extract size and fourcc, and wrap remainder in data atom */
+ len = GST_READ_UINT32_BE (data);
+ fourcc = GST_READ_UINT32_LE (data + 4);
+ if (len > size)
+ return;
+
+ buf = gst_buffer_new ();
+ GST_BUFFER_SIZE (buf) = len - 8;
+ GST_BUFFER_DATA (buf) = data + 8;
+
+ data_atom = atom_data_new_from_gst_buffer (fourcc, buf);
+ gst_buffer_unref (buf);
+
+ atom_moov_append_tag (moov,
+ build_atom_info_wrapper ((Atom *) data_atom, atom_data_copy_data,
+ atom_data_free));
+}
+
+/*
+ * Functions for specifying media types
+ */
+
+static void
+atom_minf_set_audio (AtomMINF * minf)
+{
+ atom_minf_clear_handlers (minf);
+ minf->smhd = atom_smhd_new ();
+}
+
+static void
+atom_minf_set_video (AtomMINF * minf, AtomsContext * context)
+{
+ atom_minf_clear_handlers (minf);
+ minf->vmhd = atom_vmhd_new (context);
+}
+
+static void
+atom_hdlr_set_type (AtomHDLR * hdlr, AtomsContext * context, guint32 comp_type,
+ guint32 hdlr_type)
+{
+ if (context->flavor == ATOMS_TREE_FLAVOR_MOV) {
+ hdlr->component_type = comp_type;
+ }
+ hdlr->handler_type = hdlr_type;
+}
+
+static void
+atom_mdia_set_hdlr_type_audio (AtomMDIA * mdia, AtomsContext * context)
+{
+ atom_hdlr_set_type (&mdia->hdlr, context, FOURCC_mhlr, FOURCC_soun);
+}
+
+static void
+atom_mdia_set_hdlr_type_video (AtomMDIA * mdia, AtomsContext * context)
+{
+ atom_hdlr_set_type (&mdia->hdlr, context, FOURCC_mhlr, FOURCC_vide);
+}
+
+static void
+atom_mdia_set_audio (AtomMDIA * mdia, AtomsContext * context)
+{
+ atom_mdia_set_hdlr_type_audio (mdia, context);
+ atom_minf_set_audio (&mdia->minf);
+}
+
+static void
+atom_mdia_set_video (AtomMDIA * mdia, AtomsContext * context)
+{
+ atom_mdia_set_hdlr_type_video (mdia, context);
+ atom_minf_set_video (&mdia->minf, context);
+}
+
+static void
+atom_tkhd_set_audio (AtomTKHD * tkhd)
+{
+ tkhd->volume = 0x0100;
+ tkhd->width = tkhd->height = 0;
+}
+
+static void
+atom_tkhd_set_video (AtomTKHD * tkhd, AtomsContext * context, guint32 width,
+ guint32 height)
+{
+ tkhd->volume = 0;
+
+ /* qt and ISO base media do not contradict, and examples agree */
+ tkhd->width = width;
+ tkhd->height = height;
+}
+
+/* re-negotiation is prevented at top-level, so only 1 entry expected.
+ * Quite some more care here and elsewhere may be needed to
+ * support several entries */
+static SampleTableEntryMP4A *
+atom_trak_add_audio_entry (AtomTRAK * trak, AtomsContext * context,
+ guint32 type)
+{
+ AtomSTSD *stsd = &trak->mdia.minf.stbl.stsd;
+ SampleTableEntryMP4A *mp4a = sample_entry_mp4a_new ();
+
+ mp4a->se.header.type = type;
+ mp4a->se.kind = AUDIO;
+ mp4a->compression_id = -1;
+ mp4a->se.data_reference_index = 1;
+
+ stsd->entries = g_list_prepend (stsd->entries, mp4a);
+ stsd->n_entries++;
+ return mp4a;
+}
+
+static SampleTableEntryMP4V *
+atom_trak_add_video_entry (AtomTRAK * trak, AtomsContext * context,
+ guint32 type)
+{
+ SampleTableEntryMP4V *mp4v = sample_entry_mp4v_new (context);
+ AtomSTSD *stsd = &trak->mdia.minf.stbl.stsd;
+
+ mp4v->se.header.type = type;
+ mp4v->se.kind = VIDEO;
+ mp4v->se.data_reference_index = 1;
+ mp4v->horizontal_resolution = 72 << 16;
+ mp4v->vertical_resolution = 72 << 16;
+ if (context->flavor == ATOMS_TREE_FLAVOR_MOV) {
+ mp4v->spatial_quality = 512;
+ mp4v->temporal_quality = 512;
+ }
+
+ stsd->entries = g_list_prepend (stsd->entries, mp4v);
+ stsd->n_entries++;
+ return mp4v;
+}
+
+static void
+atom_trak_set_constant_size_samples (AtomTRAK * trak, guint32 sample_size)
+{
+ trak->mdia.minf.stbl.stsz.sample_size = sample_size;
+}
+
+static void
+atom_trak_set_audio (AtomTRAK * trak, AtomsContext * context)
+{
+ atom_tkhd_set_audio (&trak->tkhd);
+ atom_mdia_set_audio (&trak->mdia, context);
+}
+
+static void
+atom_trak_set_video (AtomTRAK * trak, AtomsContext * context, guint32 width,
+ guint32 height)
+{
+ atom_tkhd_set_video (&trak->tkhd, context, width, height);
+ atom_mdia_set_video (&trak->mdia, context);
+}
+
+static void
+atom_trak_set_audio_commons (AtomTRAK * trak, AtomsContext * context,
+ guint32 rate)
+{
+ atom_trak_set_audio (trak, context);
+ trak->mdia.mdhd.time_info.timescale = rate;
+}
+
+static void
+atom_trak_set_video_commons (AtomTRAK * trak, AtomsContext * context,
+ guint32 rate, guint32 width, guint32 height)
+{
+ atom_trak_set_video (trak, context, width, height);
+ trak->mdia.mdhd.time_info.timescale = rate;
+ trak->tkhd.width = width << 16;
+ trak->tkhd.height = height << 16;
+}
+
+void
+atom_trak_set_audio_type (AtomTRAK * trak, AtomsContext * context,
+ AudioSampleEntry * entry, guint32 scale, AtomInfo * ext, gint sample_size)
+{
+ SampleTableEntryMP4A *ste;
+
+ atom_trak_set_audio_commons (trak, context, scale);
+ ste = atom_trak_add_audio_entry (trak, context, entry->fourcc);
+
+ ste->version = entry->version;
+ ste->compression_id = entry->compression_id;
+ ste->sample_size = entry->sample_size;
+ ste->sample_rate = entry->sample_rate << 16;
+ ste->channels = entry->channels;
+
+ ste->samples_per_packet = entry->samples_per_packet;
+ ste->bytes_per_sample = entry->bytes_per_sample;
+ ste->bytes_per_packet = entry->bytes_per_packet;
+ ste->bytes_per_frame = entry->bytes_per_frame;
+
+ if (ext)
+ ste->extension_atoms = g_list_prepend (ste->extension_atoms, ext);
+
+ /* 0 size means variable size */
+ atom_trak_set_constant_size_samples (trak, sample_size);
+}
+
+void
+atom_trak_set_video_type (AtomTRAK * trak, AtomsContext * context,
+ VisualSampleEntry * entry, guint32 scale, AtomInfo * ext)
+{
+ SampleTableEntryMP4V *ste;
+
+ atom_trak_set_video_commons (trak, context, scale, entry->width,
+ entry->height);
+ ste = atom_trak_add_video_entry (trak, context, entry->fourcc);
+
+ ste->width = entry->width;
+ ste->height = entry->height;
+ ste->depth = entry->depth;
+ ste->color_table_id = entry->color_table_id;
+ ste->frame_count = entry->frame_count;
+
+ if (ext)
+ ste->extension_atoms = g_list_prepend (ste->extension_atoms, ext);
+}
+
+/* some sample description construction helpers */
+
+static AtomInfo *
+build_esds_atom (guint32 track_id, guint8 object_type, guint8 stream_type,
+ const GstBuffer * codec_data)
+{
+ AtomESDS *esds;
+
+ esds = atom_esds_new ();
+ esds->es.id = track_id & 0xFFFF;
+ esds->es.dec_conf_desc.object_type = object_type;
+ esds->es.dec_conf_desc.stream_type = stream_type << 2 | 0x01;
+
+ /* optional DecoderSpecificInfo */
+ if (codec_data) {
+ DecoderSpecificInfoDescriptor *desc;
+
+ esds->es.dec_conf_desc.dec_specific_info = desc =
+ desc_dec_specific_info_new ();
+ desc_dec_specific_info_alloc_data (desc, GST_BUFFER_SIZE (codec_data));
+
+ memcpy (desc->data, GST_BUFFER_DATA (codec_data),
+ GST_BUFFER_SIZE (codec_data));
+ }
+
+ return build_atom_info_wrapper ((Atom *) esds, atom_esds_copy_data,
+ atom_esds_free);
+}
+
+static AtomInfo *
+build_mov_aac_extension (guint32 track_id, const GstBuffer * codec_data)
+{
+ AtomWAVE *wave;
+ AtomFRMA *frma;
+ Atom *ext_atom;
+ GstBuffer *buf;
+
+ /* Add WAVE atom to the MP4A sample table entry */
+ wave = atom_wave_new ();
+
+ /* Prepend Terminator atom to the WAVE list first, so it ends up last */
+ ext_atom = (Atom *) atom_data_new (FOURCC_null);
+ wave->extension_atoms =
+ atom_info_list_prepend_atom (wave->extension_atoms, (Atom *) ext_atom,
+ (AtomCopyDataFunc) atom_data_copy_data, (AtomFreeFunc) atom_data_free);
+
+ /* Add ESDS atom to WAVE */
+ wave->extension_atoms = g_list_prepend (wave->extension_atoms,
+ build_esds_atom (track_id, ESDS_OBJECT_TYPE_MPEG4_P3,
+ ESDS_STREAM_TYPE_AUDIO, codec_data));
+
+ /* Add MP4A atom to the WAVE:
+ * not really in spec, but makes offset based players happy */
+ buf = gst_buffer_new_and_alloc (4);
+ *((guint32 *) GST_BUFFER_DATA (buf)) = 0;
+ ext_atom = (Atom *) atom_data_new_from_gst_buffer (FOURCC_mp4a, buf);
+ gst_buffer_unref (buf);
+
+ wave->extension_atoms =
+ atom_info_list_prepend_atom (wave->extension_atoms, (Atom *) ext_atom,
+ (AtomCopyDataFunc) atom_data_copy_data, (AtomFreeFunc) atom_data_free);
+
+ /* Add FRMA to the WAVE */
+ frma = atom_frma_new ();
+ frma->media_type = FOURCC_mp4a;
+
+ wave->extension_atoms =
+ atom_info_list_prepend_atom (wave->extension_atoms, (Atom *) frma,
+ (AtomCopyDataFunc) atom_frma_copy_data, (AtomFreeFunc) atom_frma_free);
+
+ return build_atom_info_wrapper ((Atom *) wave, atom_wave_copy_data,
+ atom_wave_free);
+}
+
+/* if applicable, construct Sample Table Entry extension atoms for a trak,
+ * typically wrapping codec data;
+ * for the given flavor of the format, fourcc type of the sample entry,
+ * and in case of MP4 covered streams, the ESDS type */
+AtomInfo *
+build_sample_entry_extension (AtomTRAK * trak, AtomsTreeFlavor flavor,
+ guint32 fourcc, guint esds_type, const GstBuffer * codec_data)
+{
+ AtomInfo *result = NULL;
+ guint32 ext_fourcc = 0;
+ guint32 track_id;
+
+ g_return_val_if_fail (trak != NULL, NULL);
+ track_id = trak->tkhd.track_ID;
+
+ /* extension varies depending on format */
+ if (flavor == ATOMS_TREE_FLAVOR_ISOM) {
+ guint8 stream_type = 0;
+
+ if (fourcc == FOURCC_mp4a)
+ stream_type = ESDS_STREAM_TYPE_AUDIO;
+ else if (fourcc == FOURCC_mp4v)
+ stream_type = ESDS_STREAM_TYPE_VISUAL;
+ if (stream_type)
+ result = build_esds_atom (track_id, esds_type, stream_type, codec_data);
+ } else {
+ switch (fourcc) {
+ case FOURCC_mp4a:
+ if (esds_type != ESDS_OBJECT_TYPE_MPEG1_P3) {
+ result = build_mov_aac_extension (track_id, codec_data);
+ }
+ break;
+ case FOURCC_mp4v:
+ {
+ guint8 stream_type = ESDS_STREAM_TYPE_VISUAL;
+
+ result = build_esds_atom (track_id, esds_type, stream_type, codec_data);
+ break;
+ }
+ }
+ }
+
+ /* stable extension across format (or only relevant for particular format) */
+ switch (fourcc) {
+ case FOURCC_avc1:
+ ext_fourcc = FOURCC_avcC;
+ break;
+ }
+
+ /* simply wrap codec data in some atom */
+ if (ext_fourcc && codec_data) {
+ AtomData *data;
+
+ data = atom_data_new_from_gst_buffer (ext_fourcc, codec_data);
+ result = build_atom_info_wrapper ((Atom *) data, atom_data_copy_data,
+ atom_data_free);
+ }
+
+ return result;
+}
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __ATOMS_H__
+#define __ATOMS_H__
+
+#include <glib.h>
+#include <string.h>
+
+#include "descriptors.h"
+#include "properties.h"
+#include "fourcc.h"
+#include "ftypcc.h"
+
+/* light-weight context that may influence header atom tree construction */
+typedef enum _AtomsTreeFlavor
+{
+ ATOMS_TREE_FLAVOR_MOV,
+ ATOMS_TREE_FLAVOR_ISOM
+} AtomsTreeFlavor;
+
+typedef struct _AtomsContext
+{
+ AtomsTreeFlavor flavor;
+} AtomsContext;
+
+AtomsContext* atoms_context_new (AtomsTreeFlavor flavor);
+void atoms_context_free (AtomsContext *context);
+
+#define METADATA_DATA_FLAG 0x0
+#define METADATA_TEXT_FLAG 0x1
+
+/* atom defs and functions */
+
+/**
+ * Used for storing time related values for some atoms.
+ */
+typedef struct _TimeInfo
+{
+ guint64 creation_time;
+ guint64 modification_time;
+ guint32 timescale;
+ guint64 duration;
+} TimeInfo;
+
+typedef struct _Atom
+{
+ guint32 size;
+ guint32 type;
+ guint64 extended_size;
+} Atom;
+
+typedef struct _AtomFull
+{
+ Atom header;
+
+ guint8 version;
+ guint8 flags[3];
+} AtomFull;
+
+/*
+ * Generic extension atom
+ */
+typedef struct _AtomData
+{
+ Atom header;
+
+ /* not written */
+ guint32 datalen;
+ guint8 *data;
+} AtomData;
+
+typedef struct _AtomFTYP
+{
+ Atom header;
+ guint32 major_brand;
+ guint32 version;
+ guint32 *compatible_brands;
+
+ /* not written */
+ guint32 compatible_brands_size;
+} AtomFTYP;
+
+typedef struct _AtomMVHD
+{
+ AtomFull header;
+
+ /* version 0: 32 bits */
+ TimeInfo time_info;
+
+ guint32 prefered_rate; /* ISO: 0x00010000 */
+ guint16 volume; /* ISO: 0x0100 */
+ guint16 reserved3; /* ISO: 0x0 */
+ guint32 reserved4[2]; /* ISO: 0, 0 */
+ /* ISO: identity matrix =
+ * { 0x00010000, 0, 0, 0, 0x00010000, 0, 0, 0, 0x40000000 } */
+ guint32 matrix[9];
+
+ /* ISO: all 0 */
+ guint32 preview_time;
+ guint32 preview_duration;
+ guint32 poster_time;
+ guint32 selection_time;
+ guint32 selection_duration;
+ guint32 current_time;
+
+ guint32 next_track_id;
+} AtomMVHD;
+
+typedef struct _AtomTKHD
+{
+ AtomFull header;
+
+ /* version 0: 32 bits */
+ /* like the TimeInfo struct, but it has this track_ID inside */
+ guint64 creation_time;
+ guint64 modification_time;
+ guint32 track_ID;
+ guint32 reserved;
+ guint64 duration;
+
+ guint32 reserved2[2];
+ guint16 layer;
+ guint16 alternate_group;
+ guint16 volume;
+ guint16 reserved3;
+
+ /* ISO: identity matrix =
+ * { 0x00010000, 0, 0, 0, 0x00010000, 0, 0, 0, 0x40000000 } */
+ guint32 matrix[9];
+ guint32 width;
+ guint32 height;
+} AtomTKHD;
+
+typedef struct _AtomMDHD
+{
+ AtomFull header;
+
+ /* version 0: 32 bits */
+ TimeInfo time_info;
+
+ /* ISO: packed ISO-639-2/T language code (first bit must be 0) */
+ guint16 language_code;
+ /* ISO: 0 */
+ guint16 quality;
+} AtomMDHD;
+
+typedef struct _AtomHDLR
+{
+ AtomFull header;
+
+ /* ISO: 0 */
+ guint32 component_type;
+ guint32 handler_type;
+ guint32 manufacturer;
+ guint32 flags;
+ guint32 flags_mask;
+ gchar *name;
+} AtomHDLR;
+
+typedef struct _AtomVMHD
+{
+ AtomFull header; /* ISO: flags = 1 */
+
+ guint16 graphics_mode;
+ /* RGB */
+ guint16 opcolor[3];
+} AtomVMHD;
+
+typedef struct _AtomSMHD
+{
+ AtomFull header;
+
+ guint16 balance;
+ guint16 reserved;
+} AtomSMHD;
+
+typedef struct _AtomHMHD
+{
+ AtomFull header;
+
+ guint16 max_pdu_size;
+ guint16 avg_pdu_size;
+ guint32 max_bitrate;
+ guint32 avg_bitrate;
+ guint32 sliding_avg_bitrate;
+} AtomHMHD;
+
+typedef struct _AtomURL
+{
+ AtomFull header;
+
+ gchar *location;
+} AtomURL;
+
+typedef struct _AtomDREF
+{
+ AtomFull header;
+
+ GList *entries;
+} AtomDREF;
+
+typedef struct _AtomDINF
+{
+ Atom header;
+
+ AtomDREF dref;
+} AtomDINF;
+
+typedef struct _STTSEntry
+{
+ guint32 sample_count;
+ gint32 sample_delta;
+} STTSEntry;
+
+typedef struct _AtomSTTS
+{
+ AtomFull header;
+
+ guint n_entries;
+ /* list of STTSEntry */
+ GList *entries;
+} AtomSTTS;
+
+typedef struct _AtomSTSS
+{
+ AtomFull header;
+
+ guint n_entries;
+ /* list of sample indexes (guint32) */
+ GList *entries;
+} AtomSTSS;
+
+typedef struct _AtomESDS
+{
+ AtomFull header;
+
+ ESDescriptor es;
+} AtomESDS;
+
+typedef struct _AtomFRMA
+{
+ Atom header;
+
+ guint32 media_type;
+} AtomFRMA;
+
+typedef enum _SampleEntryKind
+{
+ UNKNOWN,
+ AUDIO,
+ VIDEO
+} SampleEntryKind;
+
+typedef struct _SampleTableEntry
+{
+ Atom header;
+
+ guint8 reserved[6];
+ guint16 data_reference_index;
+
+ /* sort of entry */
+ SampleEntryKind kind;
+} SampleTableEntry;
+
+typedef struct _AtomHintSampleEntry
+{
+ SampleTableEntry se;
+ guint32 size;
+ guint8 *data;
+} AtomHintSampleEntry;
+
+typedef struct _SampleTableEntryMP4V
+{
+ SampleTableEntry se;
+
+ guint16 version;
+ guint16 revision_level;
+
+ guint32 vendor; /* fourcc code */
+ guint32 temporal_quality;
+ guint32 spatial_quality;
+
+ guint16 width;
+ guint16 height;
+
+ guint32 horizontal_resolution;
+ guint32 vertical_resolution;
+ guint32 datasize;
+
+ guint16 frame_count; /* usually 1 */
+
+ guint8 compressor[32]; /* pascal string, i.e. first byte = length */
+
+ guint16 depth;
+ guint16 color_table_id;
+
+ /* (optional) list of AtomInfo */
+ GList *extension_atoms;
+} SampleTableEntryMP4V;
+
+typedef struct _SampleTableEntryMP4A
+{
+ SampleTableEntry se;
+
+ guint16 version;
+ guint16 revision_level;
+ guint32 vendor;
+
+ guint16 channels;
+ guint16 sample_size;
+ guint16 compression_id;
+ guint16 packet_size;
+
+ guint32 sample_rate; /* fixed point 16.16 */
+
+ guint32 samples_per_packet;
+ guint32 bytes_per_packet;
+ guint32 bytes_per_frame;
+ guint32 bytes_per_sample;
+
+ /* (optional) list of AtomInfo */
+ GList *extension_atoms;
+} SampleTableEntryMP4A;
+
+typedef struct _SampleTableEntryMP4S
+{
+ SampleTableEntry se;
+
+ AtomESDS es;
+} SampleTableEntryMP4S;
+
+typedef struct _AtomSTSD
+{
+ AtomFull header;
+
+ guint n_entries;
+ /* list of subclasses of SampleTableEntry */
+ GList *entries;
+} AtomSTSD;
+
+typedef struct _AtomSTSZ
+{
+ AtomFull header;
+
+ guint32 sample_size;
+
+ /* need the size here because when sample_size is constant,
+ * the list is empty */
+ guint32 table_size;
+ /* list of guint32 */
+ GList *entries;
+} AtomSTSZ;
+
+typedef struct _STSCEntry
+{
+ guint32 first_chunk;
+ guint32 samples_per_chunk;
+ guint32 sample_description_index;
+} STSCEntry;
+
+typedef struct _AtomSTSC
+{
+ AtomFull header;
+
+ guint n_entries;
+ /* list of STSCEntry */
+ GList *entries;
+} AtomSTSC;
+
+
+/*
+ * used for both STCO and CO64
+ * if used as STCO, entries should be truncated to use only 32bits
+ */
+typedef struct _AtomSTCO64
+{
+ AtomFull header;
+
+ guint n_entries;
+ /* list of guint64 */
+ GList *entries;
+} AtomSTCO64;
+
+typedef struct _CTTSEntry
+{
+ guint32 samplecount;
+ guint32 sampleoffset;
+} CTTSEntry;
+
+typedef struct _AtomCTTS
+{
+ AtomFull header;
+
+ /* also entry count here */
+ guint n_entries;
+ GList *entries;
+} AtomCTTS;
+
+typedef struct _AtomSTBL
+{
+ Atom header;
+
+ AtomSTSD stsd;
+ AtomSTTS stts;
+ AtomSTSS stss;
+ AtomSTSC stsc;
+ AtomSTSZ stsz;
+ /* NULL if not present */
+ AtomCTTS *ctts;
+
+ AtomSTCO64 stco64;
+} AtomSTBL;
+
+typedef struct _AtomMINF
+{
+ Atom header;
+
+ /* only (exactly) one of those must be present */
+ AtomVMHD *vmhd;
+ AtomSMHD *smhd;
+ AtomHMHD *hmhd;
+
+ AtomHDLR *hdlr;
+ AtomDINF dinf;
+ AtomSTBL stbl;
+} AtomMINF;
+
+typedef struct _AtomMDIA
+{
+ Atom header;
+
+ AtomMDHD mdhd;
+ AtomHDLR hdlr;
+ AtomMINF minf;
+} AtomMDIA;
+
+typedef struct _AtomILST
+{
+ Atom header;
+
+ /* list of AtomInfo */
+ GList* entries;
+} AtomILST;
+
+typedef struct _AtomTagData
+{
+ AtomFull header;
+ guint32 reserved;
+
+ guint32 datalen;
+ guint8* data;
+} AtomTagData;
+
+typedef struct _AtomTag
+{
+ Atom header;
+
+ AtomTagData data;
+} AtomTag;
+
+typedef struct _AtomMETA
+{
+ AtomFull header;
+ AtomHDLR hdlr;
+ AtomILST *ilst;
+} AtomMETA;
+
+typedef struct _AtomUDTA
+{
+ Atom header;
+
+ AtomMETA *meta;
+} AtomUDTA;
+
+typedef struct _AtomTRAK
+{
+ Atom header;
+
+ AtomTKHD tkhd;
+ AtomMDIA mdia;
+} AtomTRAK;
+
+typedef struct _AtomMOOV
+{
+ Atom header;
+
+ AtomMVHD mvhd;
+
+ /* list of AtomTRAK */
+ GList *traks;
+ AtomUDTA *udta;
+} AtomMOOV;
+
+typedef struct _AtomWAVE
+{
+ Atom header;
+
+ /* list of AtomInfo */
+ GList *extension_atoms;
+} AtomWAVE;
+
+
+/*
+ * Function to serialize an atom
+ */
+typedef guint64 (*AtomCopyDataFunc) (Atom *atom, guint8 **buffer, guint64 *size, guint64 *offset);
+
+/*
+ * Releases memory allocated by an atom
+ */
+typedef guint64 (*AtomFreeFunc) (Atom *atom);
+
+/*
+ * Some atoms might have many optional different kinds of child atoms, so this
+ * is useful for enabling generic handling of any atom.
+ * All we need are the two functions (copying it to an array
+ * for serialization and the memory releasing function).
+ */
+typedef struct _AtomInfo
+{
+ Atom *atom;
+ AtomCopyDataFunc copy_data_func;
+ AtomFreeFunc free_func;
+} AtomInfo;
+
+
+guint64 atom_copy_data (Atom *atom, guint8 **buffer,
+ guint64 *size, guint64* offset);
+
+AtomFTYP* atom_ftyp_new (AtomsContext *context, guint32 major,
+ guint32 version, GList *brands);
+guint64 atom_ftyp_copy_data (AtomFTYP *ftyp, guint8 **buffer,
+ guint64 *size, guint64 *offset);
+void atom_ftyp_free (AtomFTYP *ftyp);
+
+AtomTRAK* atom_trak_new (AtomsContext *context);
+void atom_trak_add_samples (AtomTRAK * trak, guint32 nsamples, guint32 delta,
+ guint32 size, guint64 chunk_offset, gboolean sync,
+ gboolean do_pts, gint64 pts_offset);
+guint32 atom_trak_get_timescale (AtomTRAK *trak);
+
+AtomMOOV* atom_moov_new (AtomsContext *context);
+void atom_moov_free (AtomMOOV *moov);
+guint64 atom_moov_copy_data (AtomMOOV *atom, guint8 **buffer, guint64 *size, guint64* offset);
+void atom_moov_update_timescale (AtomMOOV *moov, guint32 timescale);
+void atom_moov_update_duration (AtomMOOV *moov);
+void atom_moov_set_64bits (AtomMOOV *moov, gboolean large_file);
+void atom_moov_chunks_add_offset (AtomMOOV *moov, guint32 offset);
+void atom_moov_add_trak (AtomMOOV *moov, AtomTRAK *trak);
+
+/* media sample description related helpers */
+
+typedef struct
+{
+ guint32 fourcc;
+ guint width;
+ guint height;
+ guint depth;
+ guint frame_count;
+ gint color_table_id;
+
+ GstBuffer *codec_data;
+} VisualSampleEntry;
+
+typedef struct
+{
+ guint32 fourcc;
+ guint version;
+ gint compression_id;
+ guint sample_rate;
+ guint channels;
+ guint sample_size;
+ guint bytes_per_packet;
+ guint samples_per_packet;
+ guint bytes_per_sample;
+ guint bytes_per_frame;
+
+ GstBuffer *codec_data;
+} AudioSampleEntry;
+
+AtomInfo* build_sample_entry_extension (AtomTRAK * trak, AtomsTreeFlavor flavor,
+ guint32 fourcc, guint esds_type,
+ const GstBuffer * codec_data);
+
+void atom_trak_set_audio_type (AtomTRAK * trak, AtomsContext * context,
+ AudioSampleEntry * entry, guint32 scale,
+ AtomInfo * ext, gint sample_size);
+void atom_trak_set_video_type (AtomTRAK * trak, AtomsContext * context,
+ VisualSampleEntry * entry, guint32 rate,
+ AtomInfo * ext);
+
+
+/*
+ * Meta tags functions
+ */
+void atom_moov_add_str_tag (AtomMOOV *moov, guint32 fourcc, const gchar *value);
+void atom_moov_add_uint_tag (AtomMOOV *moov, guint32 fourcc, guint32 flags,
+ guint32 value);
+void atom_moov_add_tag (AtomMOOV *moov, guint32 fourcc, guint32 flags,
+ const guint8 * data, guint size);
+void atom_moov_add_blob_tag (AtomMOOV *moov, guint8 *data, guint size);
+
+#endif /* __ATOMS_H__ */
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "descriptors.h"
+
+/**
+ * Some mp4 structures (descriptors) use a coding scheme for
+ * representing its size.
+ * It is grouped in bytes. The 1st bit set to 1 means we need another byte,
+ * 0 otherwise. The remaining 7 bits are the useful values.
+ *
+ * The next set of functions handle those values
+ */
+
+/**
+ * Gets an unsigned integer and packs it into a 'expandable size' format
+ * (as used by mp4 descriptors)
+ * @size: the integer to be parsed
+ * @ptr: the array to place the result
+ * @array_size: the size of ptr array
+ */
+static void
+expandable_size_parse (guint64 size, guint8 * ptr, guint32 array_size)
+{
+ int index = 0;
+
+ memset (ptr, 0, sizeof (array_size));
+ while (size > 0 && index < array_size) {
+ ptr[index++] = (size > 0x7F ? 0x80 : 0x0) | (size & 0x7F);
+ size = size >> 7;
+ }
+}
+
+/**
+ * Gets how many positions in an array holding an 'expandable size'
+ * are really used
+ *
+ * @ptr: the array with the 'expandable size'
+ * @array_size: the size of ptr array
+ *
+ * Returns: the number of really used positions
+ */
+static guint64
+expandable_size_get_length (guint8 * ptr, guint32 array_size)
+{
+ gboolean next = TRUE;
+ guint32 index = 0;
+
+ while (next && index < array_size) {
+ next = ((ptr[index] & 0x80) == 1);
+ index++;
+ }
+ return index;
+}
+
+/*
+ * Initializers below
+ */
+
+static void
+desc_base_descriptor_init (BaseDescriptor * bd, guint8 tag, guint32 size)
+{
+ bd->tag = tag;
+ expandable_size_parse (size, bd->size, 4);
+}
+
+static void
+desc_dec_specific_info_init (DecoderSpecificInfoDescriptor * dsid)
+{
+ desc_base_descriptor_init (&dsid->base, DECODER_SPECIFIC_INFO_TAG, 0);
+ dsid->length = 0;
+ dsid->data = NULL;
+}
+
+DecoderSpecificInfoDescriptor *
+desc_dec_specific_info_new ()
+{
+ DecoderSpecificInfoDescriptor *desc =
+ g_new0 (DecoderSpecificInfoDescriptor, 1);
+ desc_dec_specific_info_init (desc);
+ return desc;
+}
+
+static void
+desc_dec_conf_desc_init (DecoderConfigDescriptor * dcd)
+{
+ desc_base_descriptor_init (&dcd->base, DECODER_CONFIG_DESC_TAG, 0);
+ dcd->dec_specific_info = NULL;
+}
+
+static void
+desc_sl_conf_desc_init (SLConfigDescriptor * sl)
+{
+ desc_base_descriptor_init (&sl->base, SL_CONFIG_DESC_TAG, 0);
+ sl->predefined = 0x2;
+}
+
+void
+desc_es_init (ESDescriptor * es)
+{
+ desc_base_descriptor_init (&es->base, ES_DESCRIPTOR_TAG, 0);
+
+ es->id = 0;
+ es->flags = 0;
+ es->depends_on_es_id = 0;
+ es->ocr_es_id = 0;
+ es->url_length = 0;
+ es->url_string = NULL;
+
+ desc_dec_conf_desc_init (&es->dec_conf_desc);
+ desc_sl_conf_desc_init (&es->sl_conf_desc);
+}
+
+ESDescriptor *
+desc_es_descriptor_new ()
+{
+ ESDescriptor *es = g_new0 (ESDescriptor, 1);
+
+ desc_es_init (es);
+ return es;
+}
+
+/*
+ * Deinitializers/Destructors below
+ */
+
+static void
+desc_base_descriptor_clear (BaseDescriptor * base)
+{
+}
+
+void
+desc_dec_specific_info_free (DecoderSpecificInfoDescriptor * dsid)
+{
+ desc_base_descriptor_clear (&dsid->base);
+ if (dsid->data) {
+ g_free (dsid->data);
+ dsid->data = NULL;
+ }
+ g_free (dsid);
+}
+
+static void
+desc_dec_conf_desc_clear (DecoderConfigDescriptor * dec)
+{
+ desc_base_descriptor_clear (&dec->base);
+ if (dec->dec_specific_info) {
+ desc_dec_specific_info_free (dec->dec_specific_info);
+ }
+}
+
+static void
+desc_sl_config_descriptor_clear (SLConfigDescriptor * sl)
+{
+ desc_base_descriptor_clear (&sl->base);
+}
+
+void
+desc_es_descriptor_clear (ESDescriptor * es)
+{
+ desc_base_descriptor_clear (&es->base);
+ if (es->url_string) {
+ g_free (es->url_string);
+ es->url_string = NULL;
+ }
+ desc_dec_conf_desc_clear (&es->dec_conf_desc);
+ desc_sl_config_descriptor_clear (&es->sl_conf_desc);
+}
+
+void
+desc_es_descriptor_free (ESDescriptor * es)
+{
+ desc_es_descriptor_clear (es);
+ g_free (es);
+}
+
+/*
+ * Size handling functions below
+ */
+
+void
+desc_dec_specific_info_alloc_data (DecoderSpecificInfoDescriptor * dsid,
+ guint32 size)
+{
+ if (dsid->data) {
+ g_free (dsid->data);
+ }
+ dsid->data = g_new0 (guint8, size);
+ dsid->length = size;
+}
+
+static void
+desc_base_descriptor_set_size (BaseDescriptor * bd, guint32 size)
+{
+ expandable_size_parse (size, bd->size, 4);
+}
+
+static guint64
+desc_base_descriptor_get_size (BaseDescriptor * bd)
+{
+ guint64 size = 0;
+
+ size += sizeof (guint8);
+ size += expandable_size_get_length (bd->size, 4) * sizeof (guint8);
+ return size;
+}
+
+static guint64
+desc_sl_config_descriptor_get_size (SLConfigDescriptor * sl_desc)
+{
+ guint64 size = 0;
+ guint64 extra_size = 0;
+
+ size += desc_base_descriptor_get_size (&sl_desc->base);
+ /* predefined */
+ extra_size += sizeof (guint8);
+
+ desc_base_descriptor_set_size (&sl_desc->base, extra_size);
+
+ return size + extra_size;
+}
+
+static guint64
+desc_dec_specific_info_get_size (DecoderSpecificInfoDescriptor * dsid)
+{
+ guint64 size = 0;
+ guint64 extra_size = 0;
+
+ size += desc_base_descriptor_get_size (&dsid->base);
+ extra_size += sizeof (guint8) * dsid->length;
+ desc_base_descriptor_set_size (&dsid->base, extra_size);
+ return size + extra_size;
+}
+
+static guint64
+desc_dec_config_descriptor_get_size (DecoderConfigDescriptor * dec_desc)
+{
+ guint64 size = 0;
+ guint64 extra_size = 0;
+
+ size += desc_base_descriptor_get_size (&dec_desc->base);
+ /* object type */
+ extra_size += sizeof (guint8);
+ /* stream type */
+ extra_size += sizeof (guint8);
+ /* buffer size */
+ extra_size += sizeof (guint8) * 3;
+ /* max bitrate */
+ extra_size += sizeof (guint32);
+ /* avg bitrate */
+ extra_size += sizeof (guint32);
+ if (dec_desc->dec_specific_info) {
+ extra_size += desc_dec_specific_info_get_size (dec_desc->dec_specific_info);
+ }
+
+ desc_base_descriptor_set_size (&dec_desc->base, extra_size);
+ return size + extra_size;
+}
+
+static guint64
+desc_es_descriptor_get_size (ESDescriptor * es)
+{
+ guint64 size = 0;
+ guint64 extra_size = 0;
+
+ size += desc_base_descriptor_get_size (&es->base);
+ /* id */
+ extra_size += sizeof (guint16);
+ /* flags */
+ extra_size += sizeof (guint8);
+ /* depends_on_es_id */
+ if (es->flags & 0x80) {
+ extra_size += sizeof (guint16);
+ }
+ if (es->flags & 0x40) {
+ /* url_length */
+ extra_size += sizeof (guint8);
+ /* url */
+ extra_size += sizeof (gchar) * es->url_length;
+ }
+ if (es->flags & 0x20) {
+ /* ocr_es_id */
+ extra_size += sizeof (guint16);
+ }
+
+ extra_size += desc_dec_config_descriptor_get_size (&es->dec_conf_desc);
+ extra_size += desc_sl_config_descriptor_get_size (&es->sl_conf_desc);
+
+ desc_base_descriptor_set_size (&es->base, extra_size);
+
+ return size + extra_size;
+}
+
+static gboolean
+desc_es_descriptor_check_stream_dependency (ESDescriptor * es)
+{
+ return es->flags & 0x80;
+}
+
+static gboolean
+desc_es_descriptor_check_url_flag (ESDescriptor * es)
+{
+ return es->flags & 0x40;
+}
+
+static gboolean
+desc_es_descriptor_check_ocr (ESDescriptor * es)
+{
+ return es->flags & 0x20;
+}
+
+/* Copy/Serializations Functions below */
+
+static guint64
+desc_base_descriptor_copy_data (BaseDescriptor * desc, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ prop_copy_uint8 (desc->tag, buffer, size, offset);
+ prop_copy_uint8_array (desc->size, expandable_size_get_length (desc->size, 4),
+ buffer, size, offset);
+ return original_offset - *offset;
+}
+
+static guint64
+desc_sl_config_descriptor_copy_data (SLConfigDescriptor * desc,
+ guint8 ** buffer, guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!desc_base_descriptor_copy_data (&desc->base, buffer, size, offset)) {
+ return 0;
+ }
+ /* predefined attribute */
+ prop_copy_uint8 (desc->predefined, buffer, size, offset);
+
+ return *offset - original_offset;
+}
+
+static guint64
+desc_dec_specific_info_copy_data (DecoderSpecificInfoDescriptor * desc,
+ guint8 ** buffer, guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!desc_base_descriptor_copy_data (&desc->base, buffer, size, offset)) {
+ return 0;
+ }
+ prop_copy_uint8_array (desc->data, desc->length, buffer, size, offset);
+
+ return *offset - original_offset;
+}
+
+static guint64
+desc_dec_config_descriptor_copy_data (DecoderConfigDescriptor * desc,
+ guint8 ** buffer, guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ if (!desc_base_descriptor_copy_data (&desc->base, buffer, size, offset)) {
+ return 0;
+ }
+
+ prop_copy_uint8 (desc->object_type, buffer, size, offset);
+
+ prop_copy_uint8 (desc->stream_type, buffer, size, offset);
+ prop_copy_uint8_array (desc->buffer_size_DB, 3, buffer, size, offset);
+
+ prop_copy_uint32 (desc->max_bitrate, buffer, size, offset);
+ prop_copy_uint32 (desc->avg_bitrate, buffer, size, offset);
+
+ if (desc->dec_specific_info) {
+ if (!desc_dec_specific_info_copy_data (desc->dec_specific_info, buffer,
+ size, offset)) {
+ return 0;
+ }
+ }
+
+ return *offset - original_offset;
+}
+
+guint64
+desc_es_descriptor_copy_data (ESDescriptor * desc, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 desc_size;
+ guint64 original_offset = *offset;
+
+ /* must call this twice to have size fields of all contained descriptors set
+ * correctly, and to have the size of the size fields taken into account */
+ desc_size = desc_es_descriptor_get_size (desc);
+ desc_size = desc_es_descriptor_get_size (desc);
+
+ if (!desc_base_descriptor_copy_data (&desc->base, buffer, size, offset)) {
+ return 0;
+ }
+ /* id and flags */
+ prop_copy_uint16 (desc->id, buffer, size, offset);
+ prop_copy_uint8 (desc->flags, buffer, size, offset);
+
+ if (desc_es_descriptor_check_stream_dependency (desc)) {
+ prop_copy_uint16 (desc->depends_on_es_id, buffer, size, offset);
+ }
+
+ if (desc_es_descriptor_check_url_flag (desc)) {
+ prop_copy_size_string (desc->url_string, desc->url_length, buffer, size,
+ offset);
+ }
+
+ if (desc_es_descriptor_check_ocr (desc)) {
+ prop_copy_uint16 (desc->ocr_es_id, buffer, size, offset);
+ }
+
+ if (!desc_dec_config_descriptor_copy_data (&desc->dec_conf_desc, buffer, size,
+ offset)) {
+ return 0;
+ }
+
+ if (!desc_sl_config_descriptor_copy_data (&desc->sl_conf_desc, buffer, size,
+ offset)) {
+ return 0;
+ }
+
+ return *offset - original_offset;
+}
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __DESCRIPTORS_H__
+#define __DESCRIPTORS_H__
+
+#include <glib.h>
+#include <string.h>
+#include "properties.h"
+
+/*
+ * Tags for descriptor (each kind is represented by a number, instead of fourcc as in atoms)
+ */
+#define OBJECT_DESC_TAG 0x01
+#define INIT_OBJECT_DESC_TAG 0x02
+#define ES_DESCRIPTOR_TAG 0x03
+#define DECODER_CONFIG_DESC_TAG 0x04
+#define DECODER_SPECIFIC_INFO_TAG 0x05
+#define SL_CONFIG_DESC_TAG 0x06
+#define ES_ID_INC_TAG 0x0E
+#define MP4_INIT_OBJECT_DESC_TAG 0x10
+
+#define ESDS_OBJECT_TYPE_MPEG1_P3 0x6B
+#define ESDS_OBJECT_TYPE_MPEG2_P7_MAIN 0x66
+#define ESDS_OBJECT_TYPE_MPEG4_P7_LC 0x67
+#define ESDS_OBJECT_TYPE_MPEG4_P7_SSR 0x68
+#define ESDS_OBJECT_TYPE_MPEG4_P2 0x20
+#define ESDS_OBJECT_TYPE_MPEG4_P3 0x40
+
+#define ESDS_STREAM_TYPE_VISUAL 0x04
+#define ESDS_STREAM_TYPE_AUDIO 0x05
+
+
+typedef struct _BaseDescriptor
+{
+ guint8 tag;
+ /* the first bit of each byte indicates if the next byte should be used */
+ guint8 size[4];
+} BaseDescriptor;
+
+typedef struct _SLConfigDescriptor
+{
+ BaseDescriptor base;
+
+ guint8 predefined; /* everything is supposed predefined */
+} SLConfigDescriptor;
+
+typedef struct _DecoderSpecificInfoDescriptor
+{
+ BaseDescriptor base;
+ guint32 length;
+ guint8 *data;
+} DecoderSpecificInfoDescriptor;
+
+typedef struct _DecoderConfigDescriptor {
+ BaseDescriptor base;
+
+ guint8 object_type;
+
+ /* following are condensed into streamType:
+ * bit(6) streamType;
+ * bit(1) upStream;
+ * const bit(1) reserved=1;
+ */
+ guint8 stream_type;
+
+ guint8 buffer_size_DB[3];
+ guint32 max_bitrate;
+ guint32 avg_bitrate;
+
+ DecoderSpecificInfoDescriptor *dec_specific_info;
+} DecoderConfigDescriptor;
+
+typedef struct _ESDescriptor
+{
+ BaseDescriptor base;
+
+ guint16 id;
+
+ /* flags contains the following:
+ * bit(1) streamDependenceFlag;
+ * bit(1) URL_Flag;
+ * bit(1) OCRstreamFlag;
+ * bit(5) streamPriority;
+ */
+ guint8 flags;
+
+ guint16 depends_on_es_id;
+ guint8 url_length; /* only if URL_flag is set */
+ guint8 *url_string; /* size is url_length */
+
+ guint16 ocr_es_id; /* only if OCRstreamFlag is set */
+
+ DecoderConfigDescriptor dec_conf_desc;
+ SLConfigDescriptor sl_conf_desc;
+
+ /* optional remainder of ESDescriptor is not used */
+} ESDescriptor;
+
+/* --- FUNCTIONS --- */
+void desc_es_init (ESDescriptor *es);
+ESDescriptor *desc_es_descriptor_new ();
+guint64 desc_es_descriptor_copy_data (ESDescriptor *es, guint8 **buffer,
+ guint64 *size, guint64 *offset);
+void desc_es_descriptor_clear (ESDescriptor *es);
+
+DecoderSpecificInfoDescriptor *desc_dec_specific_info_new();
+void desc_dec_specific_info_free (DecoderSpecificInfoDescriptor *dsid);
+void desc_dec_specific_info_alloc_data (DecoderSpecificInfoDescriptor *dsid,
+ guint32 size);
+
+#endif /* __DESCRIPTORS_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __FOURCC_H__
+#define __FOURCC_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define FOURCC_null 0x0
+
+#define FOURCC_moov GST_MAKE_FOURCC('m','o','o','v')
+#define FOURCC_mvhd GST_MAKE_FOURCC('m','v','h','d')
+#define FOURCC_clip GST_MAKE_FOURCC('c','l','i','p')
+#define FOURCC_trak GST_MAKE_FOURCC('t','r','a','k')
+#define FOURCC_udta GST_MAKE_FOURCC('u','d','t','a')
+#define FOURCC_ctab GST_MAKE_FOURCC('c','t','a','b')
+#define FOURCC_tkhd GST_MAKE_FOURCC('t','k','h','d')
+#define FOURCC_crgn GST_MAKE_FOURCC('c','r','g','n')
+#define FOURCC_matt GST_MAKE_FOURCC('m','a','t','t')
+#define FOURCC_kmat GST_MAKE_FOURCC('k','m','a','t')
+#define FOURCC_edts GST_MAKE_FOURCC('e','d','t','s')
+#define FOURCC_elst GST_MAKE_FOURCC('e','l','s','t')
+#define FOURCC_load GST_MAKE_FOURCC('l','o','a','d')
+#define FOURCC_tref GST_MAKE_FOURCC('t','r','e','f')
+#define FOURCC_imap GST_MAKE_FOURCC('i','m','a','p')
+#define FOURCC___in GST_MAKE_FOURCC(' ',' ','i','n')
+#define FOURCC___ty GST_MAKE_FOURCC(' ',' ','t','y')
+#define FOURCC_mdia GST_MAKE_FOURCC('m','d','i','a')
+#define FOURCC_mdhd GST_MAKE_FOURCC('m','d','h','d')
+#define FOURCC_hdlr GST_MAKE_FOURCC('h','d','l','r')
+#define FOURCC_dhlr GST_MAKE_FOURCC('d','h','l','r')
+#define FOURCC_mhlr GST_MAKE_FOURCC('m','h','l','r')
+#define FOURCC_minf GST_MAKE_FOURCC('m','i','n','f')
+#define FOURCC_mdir GST_MAKE_FOURCC('m','d','i','r')
+#define FOURCC_vmhd GST_MAKE_FOURCC('v','m','h','d')
+#define FOURCC_smhd GST_MAKE_FOURCC('s','m','h','d')
+#define FOURCC_gmhd GST_MAKE_FOURCC('g','m','h','d')
+#define FOURCC_gmin GST_MAKE_FOURCC('g','m','i','n')
+#define FOURCC_dinf GST_MAKE_FOURCC('d','i','n','f')
+#define FOURCC_dref GST_MAKE_FOURCC('d','r','e','f')
+#define FOURCC_stbl GST_MAKE_FOURCC('s','t','b','l')
+#define FOURCC_stsd GST_MAKE_FOURCC('s','t','s','d')
+#define FOURCC_stts GST_MAKE_FOURCC('s','t','t','s')
+#define FOURCC_stss GST_MAKE_FOURCC('s','t','s','s')
+#define FOURCC_stsc GST_MAKE_FOURCC('s','t','s','c')
+#define FOURCC_stsz GST_MAKE_FOURCC('s','t','s','z')
+#define FOURCC_stco GST_MAKE_FOURCC('s','t','c','o')
+#define FOURCC_vide GST_MAKE_FOURCC('v','i','d','e')
+#define FOURCC_soun GST_MAKE_FOURCC('s','o','u','n')
+#define FOURCC_strm GST_MAKE_FOURCC('s','t','r','m')
+#define FOURCC_rtsp GST_MAKE_FOURCC('r','t','s','p')
+#define FOURCC_co64 GST_MAKE_FOURCC('c','o','6','4')
+#define FOURCC_cmov GST_MAKE_FOURCC('c','m','o','v')
+#define FOURCC_dcom GST_MAKE_FOURCC('d','c','o','m')
+#define FOURCC_cmvd GST_MAKE_FOURCC('c','m','v','d')
+#define FOURCC_hint GST_MAKE_FOURCC('h','i','n','t')
+#define FOURCC_mp4a GST_MAKE_FOURCC('m','p','4','a')
+#define FOURCC__mp3 GST_MAKE_FOURCC('.','m','p','3')
+#define FOURCC_mp4s GST_MAKE_FOURCC('m','p','4','s')
+#define FOURCC_mp4v GST_MAKE_FOURCC('m','p','4','v')
+#define FOURCC_2vuy GST_MAKE_FOURCC('2','v','u','y')
+#define FOURCC_wave GST_MAKE_FOURCC('w','a','v','e')
+#define FOURCC_appl GST_MAKE_FOURCC('a','p','p','l')
+#define FOURCC_esds GST_MAKE_FOURCC('e','s','d','s')
+#define FOURCC_hnti GST_MAKE_FOURCC('h','n','t','i')
+#define FOURCC_rtp_ GST_MAKE_FOURCC('r','t','p',' ')
+#define FOURCC_sdp_ GST_MAKE_FOURCC('s','d','p',' ')
+#define FOURCC_meta GST_MAKE_FOURCC('m','e','t','a')
+#define FOURCC_ilst GST_MAKE_FOURCC('i','l','s','t')
+#define FOURCC__nam GST_MAKE_FOURCC(0xa9,'n','a','m')
+#define FOURCC__ART GST_MAKE_FOURCC(0xa9,'A','R','T')
+#define FOURCC__wrt GST_MAKE_FOURCC(0xa9,'w','r','t')
+#define FOURCC__grp GST_MAKE_FOURCC(0xa9,'g','r','p')
+#define FOURCC__alb GST_MAKE_FOURCC(0xa9,'a','l','b')
+#define FOURCC__day GST_MAKE_FOURCC(0xa9,'d','a','y')
+#define FOURCC__des GST_MAKE_FOURCC(0xa9,'d','e','s')
+#define FOURCC_gnre GST_MAKE_FOURCC('g','n','r','e')
+#define FOURCC_disc GST_MAKE_FOURCC('d','i','s','c')
+#define FOURCC_disk GST_MAKE_FOURCC('d','i','s','k')
+#define FOURCC_trkn GST_MAKE_FOURCC('t','r','k','n')
+#define FOURCC_cprt GST_MAKE_FOURCC('c','p','r','t')
+#define FOURCC_covr GST_MAKE_FOURCC('c','o','v','r')
+#define FOURCC_cpil GST_MAKE_FOURCC('c','p','i','l')
+#define FOURCC_tmpo GST_MAKE_FOURCC('t','m','p','o')
+#define FOURCC__too GST_MAKE_FOURCC(0xa9,'t','o','o')
+#define FOURCC_keyw GST_MAKE_FOURCC('k','e','y','w')
+#define FOURCC_____ GST_MAKE_FOURCC('-','-','-','-')
+#define FOURCC_free GST_MAKE_FOURCC('f','r','e','e')
+#define FOURCC_data GST_MAKE_FOURCC('d','a','t','a')
+#define FOURCC_SVQ3 GST_MAKE_FOURCC('S','V','Q','3')
+#define FOURCC_rmra GST_MAKE_FOURCC('r','m','r','a')
+#define FOURCC_rmda GST_MAKE_FOURCC('r','m','d','a')
+#define FOURCC_rdrf GST_MAKE_FOURCC('r','d','r','f')
+#define FOURCC__gen GST_MAKE_FOURCC(0xa9, 'g', 'e', 'n')
+#define FOURCC_rmdr GST_MAKE_FOURCC('r','m','d','r')
+#define FOURCC_rmvc GST_MAKE_FOURCC('r','m','v','c')
+#define FOURCC_qtim GST_MAKE_FOURCC('q','t','i','m')
+#define FOURCC_drms GST_MAKE_FOURCC('d','r','m','s')
+#define FOURCC_avc1 GST_MAKE_FOURCC('a','v','c','1')
+#define FOURCC_h263 GST_MAKE_FOURCC('h','2','6','3')
+#define FOURCC_avcC GST_MAKE_FOURCC('a','v','c','C')
+#define FOURCC_VP31 GST_MAKE_FOURCC('V','P','3','1')
+#define FOURCC_rle_ GST_MAKE_FOURCC('r','l','e',' ')
+#define FOURCC_MAC6 GST_MAKE_FOURCC('M','A','C','6')
+#define FOURCC_MAC3 GST_MAKE_FOURCC('M','A','C','3')
+#define FOURCC_ima4 GST_MAKE_FOURCC('i','m','a','4')
+#define FOURCC_ulaw GST_MAKE_FOURCC('u','l','a','w')
+#define FOURCC_alaw GST_MAKE_FOURCC('a','l','a','w')
+#define FOURCC_twos GST_MAKE_FOURCC('t','w','o','s')
+#define FOURCC_sowt GST_MAKE_FOURCC('s','o','w','t')
+#define FOURCC_raw_ GST_MAKE_FOURCC('r','a','w',' ')
+#define FOURCC_QDM2 GST_MAKE_FOURCC('Q','D','M','2')
+#define FOURCC_alac GST_MAKE_FOURCC('a','l','a','c')
+#define FOURCC_samr GST_MAKE_FOURCC('s','a','m','r')
+#define FOURCC_sawb GST_MAKE_FOURCC('s','a','w','b')
+#define FOURCC_mdat GST_MAKE_FOURCC('m','d','a','t')
+#define FOURCC_wide GST_MAKE_FOURCC('w','i','d','e')
+#define FOURCC_PICT GST_MAKE_FOURCC('P','I','C','T')
+#define FOURCC_pnot GST_MAKE_FOURCC('p','n','o','t')
+#define FOURCC_zlib GST_MAKE_FOURCC('z','l','i','b')
+#define FOURCC_alis GST_MAKE_FOURCC('a','l','i','s')
+#define FOURCC_url_ GST_MAKE_FOURCC('u','r','l',' ')
+#define FOURCC_frma GST_MAKE_FOURCC('f','r','m','a')
+#define FOURCC_ctts GST_MAKE_FOURCC('c','t','t','s')
+#define FOURCC_drac GST_MAKE_FOURCC('d','r','a','c')
+#define FOURCC_jpeg GST_MAKE_FOURCC('j','p','e','g')
+
+/* Xiph fourcc */
+#define FOURCC_XiTh GST_MAKE_FOURCC('X','i','T','h')
+#define FOURCC_XdxT GST_MAKE_FOURCC('X','d','x','T')
+#define FOURCC_tCtH GST_MAKE_FOURCC('t','C','t','H')
+#define FOURCC_tCt_ GST_MAKE_FOURCC('t','C','t','#')
+#define FOURCC_tCtC GST_MAKE_FOURCC('t','C','t','C')
+
+/* ilst metatags */
+#define FOURCC_titl GST_MAKE_FOURCC('t','i','t','l')
+#define FOURCC__cmt GST_MAKE_FOURCC(0xa9, 'c','m','t')
+
+G_END_DECLS
+
+#endif /* __FOURCC_H__ */
--- /dev/null
+/* GStreamer
+ * Copyright (C) <2008> Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __FTYP_CC_H__
+#define __FTYP_CC_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define FOURCC_ftyp GST_MAKE_FOURCC('f','t','y','p')
+#define FOURCC_isom GST_MAKE_FOURCC('i','s','o','m')
+#define FOURCC_iso2 GST_MAKE_FOURCC('i','s','o','2')
+#define FOURCC_mp41 GST_MAKE_FOURCC('m','p','4','1')
+#define FOURCC_mp42 GST_MAKE_FOURCC('m','p','4','2')
+#define FOURCC_mjp2 GST_MAKE_FOURCC('m','j','p','2')
+#define FOURCC_3gg7 GST_MAKE_FOURCC('3','g','g','7')
+#define FOURCC_avc1 GST_MAKE_FOURCC('a','v','c','1')
+#define FOURCC_qt__ GST_MAKE_FOURCC('q','t',' ',' ')
+
+G_END_DECLS
+
+#endif /* __FTYP_CC_H__ */
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ * Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+/**
+ * SECTION:gstqtmux
+ * @short_description: Muxer for quicktime(.mov) files
+ *
+ * <refsect2>
+ * <para>
+ * This element merges streams (audio and video) into qt(.mov) files.
+ * </para>
+ * <title>Example pipelines</title>
+ * <para>
+ * <programlisting>
+ * gst-launch v4l2src num-buffers=500 ! video/x-raw-yuv,width=320,height=240 ! ffmpegcolorspace ! qtmux ! filesink location=video.mov
+ * </programlisting>
+ * Records a video stream captured from a v4l2 device and muxes it into a qt file.
+ * </para>
+ * </refsect2>
+ *
+ * Last reviewed on 2008-08-27
+ */
+
+/*
+ * Based on avimux
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <glib/gstdio.h>
+
+#include <gst/gst.h>
+#include <gst/base/gstcollectpads.h>
+
+#include "gstqtmux.h"
+
+GST_DEBUG_CATEGORY_STATIC (gst_qt_mux_debug);
+#define GST_CAT_DEFAULT gst_qt_mux_debug
+
+/* QTMux signals and args */
+enum
+{
+ /* FILL ME */
+ LAST_SIGNAL
+};
+
+enum
+{
+ PROP_0,
+ PROP_LARGE_FILE,
+ PROP_MOVIE_TIMESCALE,
+ PROP_DO_CTTS,
+ PROP_FLAVOR,
+ PROP_FAST_START,
+ PROP_FAST_START_TEMP_FILE
+};
+
+#define MDAT_ATOM_HEADER_SIZE 16
+#define DEFAULT_LARGE_FILE FALSE
+#define DEFAULT_MOVIE_TIMESCALE 600
+#define DEFAULT_DO_CTTS FALSE
+#define DEFAULT_FAST_START FALSE
+#define DEFAULT_FAST_START_TEMP_FILE NULL
+
+static void gst_qt_mux_finalize (GObject * object);
+
+static GstStateChangeReturn gst_qt_mux_change_state (GstElement * element,
+ GstStateChange transition);
+
+/* property functions */
+static void gst_qt_mux_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec);
+static void gst_qt_mux_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec);
+
+/* pad functions */
+static GstPad *gst_qt_mux_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name);
+static void gst_qt_mux_release_pad (GstElement * element, GstPad * pad);
+
+/* event */
+static gboolean gst_qt_mux_sink_event (GstPad * pad, GstEvent * event);
+
+static GstFlowReturn gst_qt_mux_collected (GstCollectPads * pads,
+ gpointer user_data);
+static GstFlowReturn gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad,
+ GstBuffer * buf);
+
+static GstElementClass *parent_class = NULL;
+
+static void
+gst_qt_mux_base_init (gpointer g_class)
+{
+ GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
+ GstQTMuxClass *klass = (GstQTMuxClass *) g_class;
+ GstQTMuxClassParams *params;
+ GstElementDetails details;
+ GstPadTemplate *videosinktempl, *audiosinktempl, *srctempl;
+
+ params =
+ (GstQTMuxClassParams *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
+ GST_QT_MUX_PARAMS_QDATA);
+ g_assert (params != NULL);
+
+ /* construct the element details struct */
+ details.longname = g_strdup_printf ("%s Muxer", params->prop->long_name);
+ details.klass = g_strdup ("Codec/Muxer");
+ details.description =
+ g_strdup_printf ("Multiplex audio and video into a %s file",
+ params->prop->long_name);
+ details.author = "Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>";
+ gst_element_class_set_details (element_class, &details);
+ g_free (details.longname);
+ g_free (details.klass);
+ g_free (details.description);
+
+ /* pad templates */
+ srctempl = gst_pad_template_new ("src", GST_PAD_SRC,
+ GST_PAD_ALWAYS, params->src_caps);
+ gst_element_class_add_pad_template (element_class, srctempl);
+
+ if (params->audio_sink_caps) {
+ audiosinktempl = gst_pad_template_new ("audio_%d",
+ GST_PAD_SINK, GST_PAD_REQUEST, params->audio_sink_caps);
+ gst_element_class_add_pad_template (element_class, audiosinktempl);
+ }
+
+ if (params->video_sink_caps) {
+ videosinktempl = gst_pad_template_new ("video_%d",
+ GST_PAD_SINK, GST_PAD_REQUEST, params->video_sink_caps);
+ gst_element_class_add_pad_template (element_class, videosinktempl);
+ }
+
+ klass->format = params->prop->format;
+}
+
+static void
+gst_qt_mux_class_init (GstQTMuxClass * klass)
+{
+ GObjectClass *gobject_class;
+ GstElementClass *gstelement_class;
+
+ gobject_class = (GObjectClass *) klass;
+ gstelement_class = (GstElementClass *) klass;
+
+ parent_class = g_type_class_peek_parent (klass);
+
+ gobject_class->finalize = gst_qt_mux_finalize;
+ gobject_class->get_property = gst_qt_mux_get_property;
+ gobject_class->set_property = gst_qt_mux_set_property;
+
+ g_object_class_install_property (gobject_class, PROP_LARGE_FILE,
+ g_param_spec_boolean ("large-file", "Support for large files",
+ "Uses 64bits to some fields instead of 32bits, "
+ "providing support for large files",
+ DEFAULT_LARGE_FILE, G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class, PROP_MOVIE_TIMESCALE,
+ g_param_spec_uint ("movie-timescale", "Movie timescale",
+ "Timescale to use in the movie (units per second)",
+ 1, G_MAXUINT32, DEFAULT_MOVIE_TIMESCALE,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ g_object_class_install_property (gobject_class, PROP_DO_CTTS,
+ g_param_spec_boolean ("presentation-time",
+ "Include presentation-time info",
+ "Calculate and include presentation/composition time (in addition to decoding time)"
+ " (use with caution)", DEFAULT_DO_CTTS,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ g_object_class_install_property (gobject_class, PROP_FAST_START,
+ g_param_spec_boolean ("faststart", "Format file to faststart",
+ "If the file should be formated for faststart (headers first). ",
+ DEFAULT_FAST_START, G_PARAM_READWRITE));
+ g_object_class_install_property (gobject_class, PROP_FAST_START_TEMP_FILE,
+ g_param_spec_string ("faststart-file", "File to use for storing buffers",
+ "File that will be used temporarily to store data from the stream when "
+ "creating a faststart file. If null a filepath will be created automatically",
+ DEFAULT_FAST_START_TEMP_FILE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+
+ gstelement_class->request_new_pad =
+ GST_DEBUG_FUNCPTR (gst_qt_mux_request_new_pad);
+ gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_qt_mux_change_state);
+ gstelement_class->release_pad = GST_DEBUG_FUNCPTR (gst_qt_mux_release_pad);
+}
+
+static void
+gst_qt_mux_pad_reset (GstQTPad * qtpad)
+{
+ qtpad->fourcc = 0;
+ qtpad->is_out_of_order = FALSE;
+ qtpad->sample_size = 0;
+ qtpad->sync = FALSE;
+ qtpad->last_dts = 0;
+
+ if (qtpad->last_buf)
+ gst_buffer_replace (&qtpad->last_buf, NULL);
+
+ /* reference owned elsewhere */
+ qtpad->trak = NULL;
+}
+
+/*
+ * Takes GstQTMux back to its initial state
+ */
+static void
+gst_qt_mux_reset (GstQTMux * qtmux, gboolean alloc)
+{
+ GSList *walk;
+
+ qtmux->state = GST_QT_MUX_STATE_NONE;
+ qtmux->header_size = 0;
+ qtmux->mdat_size = 0;
+ qtmux->mdat_pos = 0;
+
+ if (qtmux->ftyp) {
+ atom_ftyp_free (qtmux->ftyp);
+ qtmux->ftyp = NULL;
+ }
+ if (qtmux->moov) {
+ atom_moov_free (qtmux->moov);
+ qtmux->moov = NULL;
+ }
+ if (qtmux->tags) {
+ gst_tag_list_free (qtmux->tags);
+ qtmux->tags = NULL;
+ }
+ if (qtmux->fast_start_file) {
+ fclose (qtmux->fast_start_file);
+ qtmux->fast_start_file = NULL;
+ }
+
+ /* reset pad data */
+ for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
+ GstQTPad *qtpad = (GstQTPad *) walk->data;
+ gst_qt_mux_pad_reset (qtpad);
+
+ /* hm, moov_free above yanked the traks away from us,
+ * so do not free, but do clear */
+ qtpad->trak = NULL;
+ }
+
+ if (alloc) {
+ qtmux->moov = atom_moov_new (qtmux->context);
+ }
+}
+
+static void
+gst_qt_mux_init (GstQTMux * qtmux, GstQTMuxClass * qtmux_klass)
+{
+ GstElementClass *klass = GST_ELEMENT_CLASS (qtmux_klass);
+ GstPadTemplate *templ;
+ GstCaps *caps;
+
+ templ = gst_element_class_get_pad_template (klass, "src");
+ qtmux->srcpad = gst_pad_new_from_template (templ, "src");
+ caps = gst_caps_copy (gst_pad_get_pad_template_caps (qtmux->srcpad));
+ gst_pad_set_caps (qtmux->srcpad, caps);
+ gst_caps_unref (caps);
+ gst_pad_use_fixed_caps (qtmux->srcpad);
+ gst_element_add_pad (GST_ELEMENT (qtmux), qtmux->srcpad);
+
+ qtmux->collect = gst_collect_pads_new ();
+ gst_collect_pads_set_function (qtmux->collect,
+ (GstCollectPadsFunction) GST_DEBUG_FUNCPTR (gst_qt_mux_collected), qtmux);
+
+ /* properties set to default upon construction */
+
+ /* always need this */
+ qtmux->context =
+ atoms_context_new (gst_qt_mux_map_format_to_flavor (qtmux_klass->format));
+
+ /* internals to initial state */
+ gst_qt_mux_reset (qtmux, TRUE);
+}
+
+
+static void
+gst_qt_mux_finalize (GObject * object)
+{
+ GstQTMux *qtmux = GST_QT_MUX_CAST (object);
+
+ gst_qt_mux_reset (qtmux, FALSE);
+
+ if (qtmux->fast_start_file_path)
+ g_free (qtmux->fast_start_file_path);
+
+ atoms_context_free (qtmux->context);
+ gst_object_unref (qtmux->collect);
+
+ G_OBJECT_CLASS (parent_class)->finalize (object);
+}
+
+/* FIXME approach below is pretty Apple/MOV/MP4/iTunes specific,
+ * and as such does not comply with e.g. 3GPP specs */
+
+/*
+ * Struct to record mappings from gstreamer tags to fourcc codes
+ */
+typedef struct _GstTagToFourcc
+{
+ guint32 fourcc;
+ const gchar *gsttag;
+ const gchar *gsttag2;
+} GstTagToFourcc;
+
+/* tag list tags to fourcc matching */
+static const GstTagToFourcc tag_matches[] = {
+ {FOURCC__alb, GST_TAG_ALBUM,},
+ {FOURCC__ART, GST_TAG_ARTIST,},
+ {FOURCC__cmt, GST_TAG_COMMENT,},
+ {FOURCC__wrt, GST_TAG_COMPOSER,},
+ {FOURCC__gen, GST_TAG_GENRE,},
+ {FOURCC__nam, GST_TAG_TITLE,},
+ {FOURCC__des, GST_TAG_DESCRIPTION,},
+ {FOURCC__too, GST_TAG_ENCODER,},
+ {FOURCC_cprt, GST_TAG_COPYRIGHT,},
+ {FOURCC_keyw, GST_TAG_KEYWORDS,},
+ {FOURCC__day, GST_TAG_DATE,},
+ {FOURCC_tmpo, GST_TAG_BEATS_PER_MINUTE,},
+ {FOURCC_trkn, GST_TAG_TRACK_NUMBER, GST_TAG_TRACK_COUNT},
+ {FOURCC_disk, GST_TAG_ALBUM_VOLUME_NUMBER, GST_TAG_ALBUM_VOLUME_COUNT},
+ {FOURCC_covr, GST_TAG_PREVIEW_IMAGE,},
+ {0, NULL,}
+};
+
+/* qtdemux produces these for atoms it cannot parse */
+#define GST_QT_DEMUX_PRIVATE_TAG "private-qt-tag"
+
+static void
+gst_qt_mux_add_metadata_tags (GstQTMux * qtmux, const GstTagList * list)
+{
+ guint32 fourcc;
+ gint i;
+ const gchar *tag, *tag2;
+
+ for (i = 0; tag_matches[i].fourcc; i++) {
+ fourcc = tag_matches[i].fourcc;
+ tag = tag_matches[i].gsttag;
+ tag2 = tag_matches[i].gsttag2;
+
+ switch (gst_tag_get_type (tag)) {
+ /* strings */
+ case G_TYPE_STRING:
+ {
+ gchar *str;
+
+ if (!gst_tag_list_get_string (list, tag, &str))
+ break;
+ GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
+ GST_FOURCC_ARGS (fourcc), str);
+ atom_moov_add_str_tag (qtmux->moov, fourcc, str);
+ g_free (str);
+ break;
+ }
+ /* double */
+ case G_TYPE_DOUBLE:
+ {
+ gdouble value;
+
+ if (!gst_tag_list_get_double (list, tag, &value))
+ break;
+ GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u",
+ GST_FOURCC_ARGS (fourcc), (gint) value);
+ atom_moov_add_uint_tag (qtmux->moov, fourcc, 21, (gint) value);
+ break;
+ }
+ /* paired unsigned integers */
+ case G_TYPE_UINT:
+ {
+ guint value;
+ guint count;
+
+ if (!gst_tag_list_get_uint (list, tag, &value) ||
+ !gst_tag_list_get_uint (list, tag2, &count))
+ break;
+ GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u/%u",
+ GST_FOURCC_ARGS (fourcc), value, count);
+ atom_moov_add_uint_tag (qtmux->moov, fourcc, 0,
+ value << 16 | (count & 0xFFFF));
+ break;
+ }
+ default:
+ {
+ if (gst_tag_get_type (tag) == GST_TYPE_DATE) {
+ GDate *date;
+ GDateYear year;
+ GDateMonth month;
+ GDateDay day;
+ gchar *str;
+
+ if (!gst_tag_list_get_date (list, tag, &date))
+ break;
+ year = g_date_get_year (date);
+ month = g_date_get_month (date);
+ day = g_date_get_day (date);
+
+ if (year == G_DATE_BAD_YEAR && month == G_DATE_BAD_MONTH &&
+ day == G_DATE_BAD_DAY) {
+ GST_WARNING_OBJECT (qtmux, "invalid date in tag");
+ break;
+ }
+
+ str = g_strdup_printf ("%u-%u-%u", year, month, day);
+ GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
+ GST_FOURCC_ARGS (fourcc), str);
+ atom_moov_add_str_tag (qtmux->moov, fourcc, str);
+ } else if (gst_tag_get_type (tag) == GST_TYPE_BUFFER) {
+ GValue value = { 0, };
+ GstBuffer *buf;
+ GstCaps *caps;
+ GstStructure *structure;
+ gint flags = 0;
+
+ if (!gst_tag_list_copy_value (&value, list, tag))
+ break;
+
+ buf = gst_value_get_buffer (&value);
+ if (!buf)
+ goto done;
+
+ caps = gst_buffer_get_caps (buf);
+ if (!caps) {
+ GST_WARNING_OBJECT (qtmux, "preview image without caps");
+ goto done;
+ }
+
+ GST_DEBUG_OBJECT (qtmux, "preview image caps %" GST_PTR_FORMAT, caps);
+
+ structure = gst_caps_get_structure (caps, 0);
+ if (gst_structure_has_name (structure, "image/jpeg"))
+ flags = 13;
+ else if (gst_structure_has_name (structure, "image/png"))
+ flags = 14;
+ gst_caps_unref (caps);
+
+ if (!flags) {
+ GST_WARNING_OBJECT (qtmux, "preview image format not supported");
+ goto done;
+ }
+
+ GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT
+ " -> image size %d", GST_FOURCC_ARGS (fourcc),
+ GST_BUFFER_SIZE (buf));
+ atom_moov_add_tag (qtmux->moov, fourcc, flags, GST_BUFFER_DATA (buf),
+ GST_BUFFER_SIZE (buf));
+ done:
+ g_value_unset (&value);
+ } else
+ g_assert_not_reached ();
+ break;
+ }
+ }
+ }
+
+ /* add unparsed blobs if present */
+ if (gst_tag_exists (GST_QT_DEMUX_PRIVATE_TAG)) {
+ guint num_tags;
+
+ num_tags = gst_tag_list_get_tag_size (list, GST_QT_DEMUX_PRIVATE_TAG);
+ for (i = 0; i < num_tags; ++i) {
+ const GValue *val;
+ GstBuffer *buf;
+ GstCaps *caps = NULL;
+
+ val = gst_tag_list_get_value_index (list, GST_QT_DEMUX_PRIVATE_TAG, i);
+ buf = (GstBuffer *) gst_value_get_mini_object (val);
+
+ if (buf && (caps = gst_buffer_get_caps (buf))) {
+ GstStructure *s;
+ const gchar *style = NULL;
+
+ GST_DEBUG_OBJECT (qtmux, "Found private tag %d/%d; size %d, caps %"
+ GST_PTR_FORMAT, i, num_tags, GST_BUFFER_SIZE (buf), caps);
+ s = gst_caps_get_structure (caps, 0);
+ if (s && (style = gst_structure_get_string (s, "style"))) {
+ /* FIXME make into a parameter */
+ if (strcmp (style, "itunes") == 0) {
+ GST_DEBUG_OBJECT (qtmux, "Adding private tag");
+ atom_moov_add_blob_tag (qtmux->moov, GST_BUFFER_DATA (buf),
+ GST_BUFFER_SIZE (buf));
+ }
+ }
+ gst_caps_unref (caps);
+ }
+ }
+ }
+
+ return;
+}
+
+/*
+ * Gets the tagsetter iface taglist and puts the known tags
+ * into the output stream
+ */
+static void
+gst_qt_mux_setup_metadata (GstQTMux * qtmux)
+{
+ const GstTagList *user_tags;
+ GstTagList *mixedtags = NULL;
+ GstTagMergeMode merge_mode;
+
+ user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (qtmux));
+ merge_mode = gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (qtmux));
+
+ GST_DEBUG_OBJECT (qtmux, "merging tags, merge mode = %d", merge_mode);
+ GST_LOG_OBJECT (qtmux, "event tags: %" GST_PTR_FORMAT, qtmux->tags);
+ GST_LOG_OBJECT (qtmux, "set tags: %" GST_PTR_FORMAT, user_tags);
+
+ mixedtags = gst_tag_list_merge (user_tags, qtmux->tags, merge_mode);
+
+ GST_LOG_OBJECT (qtmux, "final tags: %" GST_PTR_FORMAT, mixedtags);
+
+ if (mixedtags && !gst_tag_list_is_empty (mixedtags)) {
+ GST_DEBUG_OBJECT (qtmux, "Parsing tags");
+ gst_qt_mux_add_metadata_tags (qtmux, mixedtags);
+ } else {
+ GST_DEBUG_OBJECT (qtmux, "No tags found");
+ }
+
+ if (mixedtags)
+ gst_tag_list_free (mixedtags);
+
+ return;
+}
+
+static GstFlowReturn
+gst_qt_mux_send_buffer (GstQTMux * qtmux, GstBuffer * buf, guint64 * offset,
+ gboolean mind_fast)
+{
+ GstFlowReturn res;
+ guint8 *data;
+ guint size;
+
+ g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
+
+ data = GST_BUFFER_DATA (buf);
+ size = GST_BUFFER_SIZE (buf);
+
+ GST_LOG_OBJECT (qtmux, "sending buffer size %d", size);
+
+ if (mind_fast && qtmux->fast_start_file) {
+ gint ret;
+
+ GST_LOG_OBJECT (qtmux, "to temporary file");
+ ret = fwrite (data, sizeof (guint8), size, qtmux->fast_start_file);
+ gst_buffer_unref (buf);
+ if (ret != size)
+ goto write_error;
+ else
+ res = GST_FLOW_OK;
+ } else {
+ GST_LOG_OBJECT (qtmux, "downstream");
+
+ gst_buffer_set_caps (buf, GST_PAD_CAPS (qtmux->srcpad));
+ res = gst_pad_push (qtmux->srcpad, buf);
+ }
+
+ if (offset)
+ *offset += size;
+
+ return res;
+
+ /* ERRORS */
+write_error:
+ {
+ GST_ELEMENT_ERROR (qtmux, RESOURCE, WRITE,
+ ("Failed to write to temporary file"), GST_ERROR_SYSTEM);
+ return GST_FLOW_ERROR;
+ }
+}
+
+static GstFlowReturn
+gst_qt_mux_send_buffered_data (GstQTMux * qtmux, guint64 * offset)
+{
+ GstFlowReturn ret = GST_FLOW_OK;
+ GstBuffer *buf = NULL;
+
+ if (fflush (qtmux->fast_start_file))
+ goto flush_failed;
+
+ if (fseek (qtmux->fast_start_file, 0, SEEK_SET))
+ goto seek_failed;
+
+ /* hm, this could all take a really really long time,
+ * but there may not be another way to get moov atom first
+ * (somehow optimize copy?) */
+ GST_DEBUG_OBJECT (qtmux, "Sending buffered data");
+ while (ret == GST_FLOW_OK) {
+ gint r;
+ const int bufsize = 4096;
+
+ buf = gst_buffer_new_and_alloc (bufsize);
+ r = fread (GST_BUFFER_DATA (buf), sizeof (guint8), bufsize,
+ qtmux->fast_start_file);
+ if (r == 0)
+ break;
+ GST_BUFFER_SIZE (buf) = r;
+ GST_LOG_OBJECT (qtmux, "Pushing buffered buffer of size %d", r);
+ ret = gst_qt_mux_send_buffer (qtmux, buf, offset, FALSE);
+ buf = NULL;
+ }
+ if (buf)
+ gst_buffer_unref (buf);
+
+exit:
+ /* best cleaning up effort, eat possible error */
+ fclose (qtmux->fast_start_file);
+ qtmux->fast_start_file = NULL;
+
+ /* FIXME maybe delete temporary file, or let the system handle that ? */
+
+ return ret;
+
+ /* ERRORS */
+flush_failed:
+ {
+ GST_ELEMENT_ERROR (qtmux, RESOURCE, WRITE,
+ ("Failed to flush temporary file"), GST_ERROR_SYSTEM);
+ ret = GST_FLOW_ERROR;
+ goto exit;
+ }
+seek_failed:
+ {
+ GST_ELEMENT_ERROR (qtmux, RESOURCE, SEEK,
+ ("Failed to seek temporary file"), GST_ERROR_SYSTEM);
+ ret = GST_FLOW_ERROR;
+ goto exit;
+ }
+}
+
+/*
+ * Sends the initial mdat atom fields (size fields and fourcc type),
+ * the subsequent buffers are considered part of it's data.
+ * As we can't predict the amount of data that we are going to place in mdat
+ * we need to record the position of the size field in the stream so we can
+ * seek back to it later and update when the streams have finished.
+ */
+static GstFlowReturn
+gst_qt_mux_send_mdat_header (GstQTMux * qtmux, guint64 * off, guint64 size)
+{
+ Atom *node_header;
+ GstBuffer *buf;
+ guint8 *data = NULL;
+ guint64 offset = 0;
+
+ GST_DEBUG_OBJECT (qtmux, "Sending mdat's atom header, "
+ "size %" G_GUINT64_FORMAT, size);
+
+ node_header = g_malloc0 (sizeof (Atom));
+ node_header->type = FOURCC_mdat;
+ /* use extended size */
+ node_header->size = 1;
+ node_header->extended_size = 0;
+ if (size)
+ node_header->extended_size = size;
+
+ size = offset = 0;
+ if (atom_copy_data (node_header, &data, &size, &offset) == 0)
+ goto serialize_error;
+
+ buf = gst_buffer_new ();
+ GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
+ GST_BUFFER_SIZE (buf) = offset;
+
+ g_free (node_header);
+
+ GST_LOG_OBJECT (qtmux, "Pushing mdat start");
+ return gst_qt_mux_send_buffer (qtmux, buf, off, FALSE);
+
+ /* ERRORS */
+serialize_error:
+ {
+ GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
+ ("Failed to serialize ftyp"));
+ return GST_FLOW_ERROR;
+ }
+}
+
+/*
+ * We get the position of the mdat size field, seek back to it
+ * and overwrite with the real value
+ */
+static GstFlowReturn
+gst_qt_mux_update_mdat_size (GstQTMux * qtmux, guint64 mdat_pos,
+ guint64 mdat_size, guint64 * offset)
+{
+ GstEvent *event;
+ GstBuffer *buf;
+
+ /* seek and rewrite the header */
+ event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
+ mdat_pos, GST_CLOCK_TIME_NONE, 0);
+ gst_pad_push_event (qtmux->srcpad, event);
+
+ buf = gst_buffer_new_and_alloc (sizeof (guint64));
+ GST_WRITE_UINT64_BE (GST_BUFFER_DATA (buf), mdat_size);
+
+ return gst_qt_mux_send_buffer (qtmux, buf, offset, FALSE);
+}
+
+static GstFlowReturn
+gst_qt_mux_stop_file (GstQTMux * qtmux)
+{
+ gboolean ret = GST_FLOW_OK;
+ GstBuffer *buffer = NULL;
+ guint64 offset = 0, size = 0;
+ guint8 *data;
+ GSList *walk;
+ gboolean large_file;
+ guint32 timescale;
+
+ GST_DEBUG_OBJECT (qtmux, "Updating remaining values and sending last data");
+
+ /* pushing last buffers for each pad */
+ for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
+ GstCollectData *cdata = (GstCollectData *) walk->data;
+ GstQTPad *qtpad = (GstQTPad *) cdata;
+
+ /* send last buffer */
+ GST_DEBUG_OBJECT (qtmux, "Sending the last buffer for pad %s",
+ GST_PAD_NAME (qtpad->collect.pad));
+ ret = gst_qt_mux_add_buffer (qtmux, qtpad, NULL);
+ if (ret != GST_FLOW_OK)
+ GST_DEBUG_OBJECT (qtmux, "Failed to send last buffer for %s, "
+ "flow return: %s", GST_PAD_NAME (qtpad->collect.pad),
+ gst_flow_get_name (ret));
+ }
+
+ GST_OBJECT_LOCK (qtmux);
+ timescale = qtmux->timescale;
+ large_file = qtmux->large_file;
+ GST_OBJECT_UNLOCK (qtmux);
+
+ /* inform lower layers of our property wishes, and determine duration.
+ * Let moov take care of this using its list of traks;
+ * so that released pads are also included */
+ GST_DEBUG_OBJECT (qtmux, "Large file support: %d", large_file);
+ GST_DEBUG_OBJECT (qtmux, "Updating timescale to %" G_GUINT32_FORMAT,
+ timescale);
+ atom_moov_update_timescale (qtmux->moov, timescale);
+ atom_moov_set_64bits (qtmux->moov, large_file);
+ atom_moov_update_duration (qtmux->moov);
+
+ /* tags into file metadata */
+ gst_qt_mux_setup_metadata (qtmux);
+
+ /* if faststart, update the offset of the atoms in the movie with the offset
+ * that the movie headers before mdat will cause */
+ if (qtmux->fast_start_file) {
+ /* copy into NULL to obtain size */
+ offset = size = 0;
+ if (!atom_moov_copy_data (qtmux->moov, NULL, &size, &offset))
+ goto serialize_error;
+ GST_DEBUG_OBJECT (qtmux, "calculated moov atom size %" G_GUINT64_FORMAT,
+ size);
+ offset += qtmux->header_size + MDAT_ATOM_HEADER_SIZE;
+ } else
+ offset = qtmux->header_size;
+ atom_moov_chunks_add_offset (qtmux->moov, offset);
+
+ /* serialize moov */
+ offset = size = 0;
+ data = NULL;
+ GST_LOG_OBJECT (qtmux, "Copying movie header into buffer");
+ ret = atom_moov_copy_data (qtmux->moov, &data, &size, &offset);
+ if (!ret)
+ goto serialize_error;
+
+ buffer = gst_buffer_new ();
+ GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer) = data;
+ GST_BUFFER_SIZE (buffer) = offset;
+ /* note: as of this point, we no longer care about tracking written data size,
+ * since there is no more use for it anyway */
+ GST_DEBUG_OBJECT (qtmux, "Pushing movie atoms");
+ gst_qt_mux_send_buffer (qtmux, buffer, NULL, FALSE);
+
+ /* total mdat size as of now also includes the atom header */
+ qtmux->mdat_size += MDAT_ATOM_HEADER_SIZE;
+ /* if needed, send mdat atom and move buffered data into it */
+ if (qtmux->fast_start_file) {
+ /* mdat size = accumulated (buffered data) + mdat atom header */
+ ret = gst_qt_mux_send_mdat_header (qtmux, NULL, qtmux->mdat_size);
+ if (ret != GST_FLOW_OK)
+ return ret;
+ ret = gst_qt_mux_send_buffered_data (qtmux, NULL);
+ if (ret != GST_FLOW_OK)
+ return ret;
+ } else {
+ /* mdata needs update iff not using faststart */
+ GST_DEBUG_OBJECT (qtmux, "updating mdata size");
+ ret = gst_qt_mux_update_mdat_size (qtmux, qtmux->mdat_pos,
+ qtmux->mdat_size, NULL);
+ /* note; no seeking back to the end of file is done,
+ * since we longer write anything anyway */
+ }
+
+ return ret;
+
+ /* ERRORS */
+serialize_error:
+ {
+ gst_buffer_unref (buffer);
+ GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
+ ("Failed to serialize moov"));
+ return GST_FLOW_ERROR;
+ }
+}
+
+static GstFlowReturn
+gst_qt_mux_send_ftyp (GstQTMux * qtmux, guint64 * off)
+{
+ GstBuffer *buf;
+ guint64 size = 0, offset = 0;
+ guint8 *data = NULL;
+
+ GST_DEBUG_OBJECT (qtmux, "Sending ftyp atom");
+
+ if (!atom_ftyp_copy_data (qtmux->ftyp, &data, &size, &offset))
+ goto serialize_error;
+
+ buf = gst_buffer_new ();
+ GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
+ GST_BUFFER_SIZE (buf) = offset;
+
+ GST_LOG_OBJECT (qtmux, "Pushing ftyp");
+ return gst_qt_mux_send_buffer (qtmux, buf, off, FALSE);
+
+ /* ERRORS */
+serialize_error:
+ {
+ GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
+ ("Failed to serialize ftyp"));
+ return GST_FLOW_ERROR;
+ }
+}
+
+static GstFlowReturn
+gst_qt_mux_start_file (GstQTMux * qtmux)
+{
+ GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
+ GstFlowReturn ret = GST_FLOW_OK;
+ guint32 major, version;
+ GList *comp;
+ GstBuffer *prefix;
+
+ GST_DEBUG_OBJECT (qtmux, "starting file");
+
+ /* let downstream know we think in BYTES and expect to do seeking later on */
+ gst_pad_push_event (qtmux->srcpad,
+ gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0));
+
+ /* init and send context and ftyp based on current property state */
+ if (qtmux->ftyp)
+ atom_ftyp_free (qtmux->ftyp);
+ gst_qt_mux_map_format_to_header (qtmux_klass->format, &prefix, &major,
+ &version, &comp, qtmux->moov);
+ qtmux->ftyp = atom_ftyp_new (qtmux->context, major, version, comp);
+ if (comp)
+ g_list_free (comp);
+ if (prefix) {
+ ret = gst_qt_mux_send_buffer (qtmux, prefix, &qtmux->header_size, FALSE);
+ if (ret != GST_FLOW_OK)
+ goto exit;
+ }
+ ret = gst_qt_mux_send_ftyp (qtmux, &qtmux->header_size);
+ if (ret != GST_FLOW_OK)
+ goto exit;
+
+ /* send mdat header if already needed, and mark position for later update */
+ GST_OBJECT_LOCK (qtmux);
+ if (qtmux->fast_start) {
+ qtmux->fast_start_file = g_fopen (qtmux->fast_start_file_path, "wb+");
+ if (!qtmux->fast_start_file)
+ goto open_failed;
+ } else {
+ ret = gst_qt_mux_send_mdat_header (qtmux, &qtmux->header_size, 0);
+ /* mdat size position = current header pos - extended header size */
+ qtmux->mdat_pos = qtmux->header_size - sizeof (guint64);
+ }
+ GST_OBJECT_UNLOCK (qtmux);
+
+exit:
+ return ret;
+
+ /* ERRORS */
+open_failed:
+ {
+ GST_ELEMENT_ERROR (qtmux, RESOURCE, OPEN_READ_WRITE,
+ (("Could not open temporary file \"%s\""), qtmux->fast_start_file_path),
+ GST_ERROR_SYSTEM);
+ GST_OBJECT_UNLOCK (qtmux);
+ return GST_FLOW_ERROR;
+ }
+}
+
+/*
+ * Here we push the buffer and update the tables in the track atoms
+ */
+static GstFlowReturn
+gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
+{
+ GstBuffer *last_buf = NULL;
+ GstClockTime duration;
+ guint nsamples, sample_size;
+ guint64 scaled_duration, chunk_offset;
+ guint64 last_dts;
+ gint64 pts_offset = 0;
+ gboolean sync = FALSE, do_pts = FALSE;
+
+ if (!pad->fourcc)
+ goto not_negotiated;
+
+ last_buf = pad->last_buf;
+ if (last_buf == NULL) {
+#ifndef GST_DISABLE_GST_DEBUG
+ if (buf == NULL) {
+ GST_DEBUG_OBJECT (qtmux, "Pad %s has no previous buffer stored and "
+ "received NULL buffer, doing nothing",
+ GST_PAD_NAME (pad->collect.pad));
+ } else {
+ GST_LOG_OBJECT (qtmux,
+ "Pad %s has no previous buffer stored, storing now",
+ GST_PAD_NAME (pad->collect.pad));
+ }
+#endif
+ pad->last_buf = buf;
+ return GST_FLOW_OK;
+ } else
+ gst_buffer_ref (last_buf);
+
+ /* fall back to duration if:
+ * - last bufer
+ * - this format has out of order buffers (e.g. MPEG-4),
+ * - lack of valid time forces fall back */
+ if (buf == NULL || pad->is_out_of_order ||
+ !GST_BUFFER_TIMESTAMP_IS_VALID (last_buf) ||
+ !GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
+ if (!GST_BUFFER_DURATION_IS_VALID (last_buf)) {
+ /* be forgiving for some possibly last upstream flushed buffer */
+ if (buf)
+ goto no_time;
+ GST_WARNING_OBJECT (qtmux, "no duration for last buffer");
+ /* iso spec recommends some small value, try 0 */
+ duration = 0;
+ } else
+ duration = GST_BUFFER_DURATION (last_buf);
+ } else {
+ duration = GST_BUFFER_TIMESTAMP (buf) - GST_BUFFER_TIMESTAMP (last_buf);
+ }
+
+ gst_buffer_replace (&pad->last_buf, buf);
+
+ last_dts = gst_util_uint64_scale (pad->last_dts,
+ atom_trak_get_timescale (pad->trak), GST_SECOND);
+
+ /* raw audio has many samples per buffer (= chunk) */
+ if (pad->sample_size) {
+ sample_size = pad->sample_size;
+ if (GST_BUFFER_SIZE (last_buf) % sample_size != 0)
+ goto fragmented_sample;
+ /* note: qt raw audio storage warps it implicitly into a timewise
+ * perfect stream, discarding buffer times */
+ nsamples = GST_BUFFER_SIZE (last_buf) / sample_size;
+ duration = GST_BUFFER_DURATION (last_buf) / nsamples;
+ /* timescale = samplerate */
+ scaled_duration = 1;
+ } else {
+ nsamples = 1;
+ sample_size = GST_BUFFER_SIZE (last_buf);
+ /* first convert intended timestamp (in GstClockTime resolution) to
+ * trak timescale, then derive delta;
+ * this ensures sums of (scale)delta add up to converted timestamp,
+ * which only deviates at most 1/scale from timestamp itself */
+ scaled_duration = gst_util_uint64_scale (pad->last_dts + duration,
+ atom_trak_get_timescale (pad->trak), GST_SECOND) - last_dts;
+ }
+ pad->last_dts += duration * nsamples;
+ chunk_offset = qtmux->mdat_size;
+
+ GST_LOG_OBJECT (qtmux,
+ "Pad (%s) dts updated to %" GST_TIME_FORMAT,
+ GST_PAD_NAME (pad->collect.pad), GST_TIME_ARGS (pad->last_dts));
+ GST_LOG_OBJECT (qtmux,
+ "Adding %d samples to track, duration: %" G_GUINT64_FORMAT
+ " size: %" G_GUINT32_FORMAT " chunk offset: %" G_GUINT64_FORMAT,
+ nsamples, scaled_duration, sample_size, chunk_offset);
+
+ /* might be a sync sample */
+ if (pad->sync &&
+ !GST_BUFFER_FLAG_IS_SET (last_buf, GST_BUFFER_FLAG_DELTA_UNIT)) {
+ GST_LOG_OBJECT (qtmux, "Adding new sync sample entry for track of pad %s",
+ GST_PAD_NAME (pad->collect.pad));
+ sync = TRUE;
+ }
+
+ /* optionally calculate ctts entry values
+ * (if composition-time expected different from decoding-time) */
+ /* really not recommended:
+ * - decoder typically takes care of dts/pts issues
+ * - in case of out-of-order, dts may only be determined as above
+ * (e.g. sum of duration), which may be totally different from
+ * buffer timestamps in case of multiple segment, non-perfect streams
+ * (and just perhaps maybe with some luck segment_to_running_time
+ * or segment_to_media_time might get near to it) */
+ if (qtmux->do_ctts && pad->is_out_of_order) {
+ guint64 pts;
+
+ pts = gst_util_uint64_scale (GST_BUFFER_TIMESTAMP (last_buf),
+ atom_trak_get_timescale (pad->trak), GST_SECOND);
+ pts_offset = (gint64) (pts - last_dts);
+ do_pts = TRUE;
+ GST_LOG_OBJECT (qtmux, "Adding ctts entry for pad %s: %" G_GUINT64_FORMAT,
+ GST_PAD_NAME (pad->collect.pad), pts_offset);
+ }
+
+ /* now we go and register this buffer/sample all over */
+ /* note that a new chunk is started each time (not fancy but works) */
+ atom_trak_add_samples (pad->trak, nsamples, scaled_duration, sample_size,
+ chunk_offset, sync, do_pts, pts_offset);
+
+ if (buf)
+ gst_buffer_unref (buf);
+
+ return gst_qt_mux_send_buffer (qtmux, last_buf, &qtmux->mdat_size, TRUE);
+
+ /* ERRORS */
+bail:
+ {
+ if (buf)
+ gst_buffer_unref (buf);
+ gst_buffer_unref (last_buf);
+ return GST_FLOW_ERROR;
+ }
+no_time:
+ {
+ GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
+ ("Failed to determine time to mux."));
+ goto bail;
+ }
+fragmented_sample:
+ {
+ GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
+ ("Audio buffer contains fragmented sample."));
+ goto bail;
+ }
+not_negotiated:
+ {
+ GST_ELEMENT_ERROR (qtmux, CORE, NEGOTIATION, (NULL),
+ ("format wasn't negotiated before buffer flow on pad %s",
+ GST_PAD_NAME (pad->collect.pad)));
+ gst_buffer_unref (buf);
+ return GST_FLOW_NOT_NEGOTIATED;
+ }
+}
+
+static GstFlowReturn
+gst_qt_mux_collected (GstCollectPads * pads, gpointer user_data)
+{
+ GstFlowReturn ret = GST_FLOW_OK;
+ GstQTMux *qtmux = GST_QT_MUX_CAST (user_data);
+ GSList *walk;
+ GstQTPad *best_pad = NULL;
+ GstClockTime time, best_time = GST_CLOCK_TIME_NONE;
+ GstBuffer *buf;
+
+ if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_STARTED)) {
+ if ((ret = gst_qt_mux_start_file (qtmux)) != GST_FLOW_OK)
+ return ret;
+ else
+ qtmux->state = GST_QT_MUX_STATE_DATA;
+ }
+
+ if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_EOS))
+ return GST_FLOW_UNEXPECTED;
+
+ /* select the best buffer */
+ walk = qtmux->collect->data;
+ while (walk) {
+ GstQTPad *pad;
+ GstCollectData *data;
+
+ data = (GstCollectData *) walk->data;
+ pad = (GstQTPad *) data;
+
+ walk = g_slist_next (walk);
+
+ buf = gst_collect_pads_peek (pads, data);
+ if (buf == NULL) {
+ GST_LOG_OBJECT (qtmux, "Pad %s has no buffers",
+ GST_PAD_NAME (pad->collect.pad));
+ continue;
+ }
+ time = GST_BUFFER_TIMESTAMP (buf);
+ gst_buffer_unref (buf);
+
+ if (best_pad == NULL || !GST_CLOCK_TIME_IS_VALID (time) ||
+ (GST_CLOCK_TIME_IS_VALID (best_time) && time < best_time)) {
+ best_pad = pad;
+ best_time = time;
+ }
+ }
+
+ if (best_pad != NULL) {
+ GST_LOG_OBJECT (qtmux, "selected pad %s with time %" GST_TIME_FORMAT,
+ GST_PAD_NAME (best_pad->collect.pad), GST_TIME_ARGS (best_time));
+ buf = gst_collect_pads_pop (pads, &best_pad->collect);
+ ret = gst_qt_mux_add_buffer (qtmux, best_pad, buf);
+ } else {
+ ret = gst_qt_mux_stop_file (qtmux);
+ if (ret == GST_FLOW_OK) {
+ gst_pad_push_event (qtmux->srcpad, gst_event_new_eos ());
+ ret = GST_FLOW_UNEXPECTED;
+ }
+ qtmux->state = GST_QT_MUX_STATE_EOS;
+ }
+
+ return ret;
+}
+
+static gboolean
+gst_qt_mux_audio_sink_set_caps (GstPad * pad, GstCaps * caps)
+{
+ GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
+ GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
+ GstQTPad *qtpad = NULL;
+ GstStructure *structure;
+ const gchar *mimetype;
+ gint rate, channels;
+ const GValue *value = NULL;
+ const GstBuffer *codec_data = NULL;
+ GstQTMuxFormat format;
+ AudioSampleEntry entry = { 0, };
+ AtomInfo *ext_atom = NULL;
+ gint constant_size = 0;
+ guint esds_type = 0;
+
+ /* find stream data */
+ qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
+ g_assert (qtpad);
+
+ /* does not go well to renegotiate stream mid-way */
+ if (qtpad->fourcc)
+ goto refuse_renegotiation;
+
+ GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
+ GST_DEBUG_PAD_NAME (pad), caps);
+
+ format = qtmux_klass->format;
+ structure = gst_caps_get_structure (caps, 0);
+ mimetype = gst_structure_get_name (structure);
+
+ /* common info */
+ if (!gst_structure_get_int (structure, "channels", &channels) ||
+ !gst_structure_get_int (structure, "rate", &rate)) {
+ goto refuse_caps;
+ }
+
+ /* optional */
+ value = gst_structure_get_value (structure, "codec_data");
+ if (value != NULL)
+ codec_data = gst_value_get_buffer (value);
+
+ qtpad->is_out_of_order = FALSE;
+
+ /* set common properties */
+ entry.sample_rate = rate;
+ entry.channels = channels;
+ /* default */
+ entry.sample_size = 16;
+ /* this is the typical compressed case */
+ if (format == GST_QT_MUX_FORMAT_QT) {
+ entry.version = 1;
+ entry.compression_id = -2;
+ }
+
+ /* now map onto a fourcc, and some extra properties */
+ if (strcmp (mimetype, "audio/mpeg") == 0) {
+ gint mpegversion = 0;
+ gint layer = -1;
+
+ gst_structure_get_int (structure, "mpegversion", &mpegversion);
+ switch (mpegversion) {
+ case 1:
+ gst_structure_get_int (structure, "layer", &layer);
+ switch (layer) {
+ case 3:
+ /* mp3 */
+ /* note: QuickTime player does not like mp3 either way in iso/mp4 */
+ if (format == GST_QT_MUX_FORMAT_QT)
+ entry.fourcc = FOURCC__mp3;
+ else {
+ entry.fourcc = FOURCC_mp4a;
+ esds_type = ESDS_OBJECT_TYPE_MPEG1_P3;
+ }
+ entry.samples_per_packet = 1152;
+ entry.bytes_per_sample = 2;
+ break;
+ }
+ break;
+ case 4:
+ /* AAC */
+ entry.fourcc = FOURCC_mp4a;
+ esds_type = ESDS_OBJECT_TYPE_MPEG4_P3;
+ if (!codec_data || GST_BUFFER_SIZE (codec_data) < 2)
+ GST_WARNING_OBJECT (qtmux, "no (valid) codec_data for AAC audio");
+ else {
+ guint8 profile = GST_READ_UINT8 (GST_BUFFER_DATA (codec_data));
+
+ /* warn if not Low Complexity profile */
+ profile >>= 3;
+ if (profile != 2)
+ GST_WARNING_OBJECT (qtmux,
+ "non-LC AAC may not run well on (Apple) QuickTime/iTunes");
+ }
+ break;
+ default:
+ break;
+ }
+ } else if (strcmp (mimetype, "audio/AMR") == 0) {
+ entry.fourcc = FOURCC_samr;
+ entry.sample_size = 16;
+ entry.samples_per_packet = 160;
+ entry.bytes_per_sample = 2;
+ } else if (strcmp (mimetype, "audio/x-raw-int") == 0) {
+ gint width;
+ gint depth;
+ gint endianness;
+ gboolean sign;
+
+ if (!gst_structure_get_int (structure, "width", &width) ||
+ !gst_structure_get_int (structure, "depth", &depth) ||
+ !gst_structure_get_boolean (structure, "signed", &sign) ||
+ !gst_structure_get_int (structure, "endianness", &endianness)) {
+ GST_DEBUG_OBJECT (qtmux,
+ "broken caps, width/depth/signed/endianness field missing");
+ goto refuse_caps;
+ }
+
+ /* spec has no place for a distinction in these */
+ if (width != depth) {
+ GST_DEBUG_OBJECT (qtmux, "width must be same as depth!");
+ goto refuse_caps;
+ }
+
+ if (sign) {
+ if (endianness == G_LITTLE_ENDIAN)
+ entry.fourcc = FOURCC_sowt;
+ else if (endianness == G_BIG_ENDIAN)
+ entry.fourcc = FOURCC_twos;
+ /* maximum backward compatibility; only new version for > 16 bit */
+ if (depth <= 16)
+ entry.version = 0;
+ /* not compressed in any case */
+ entry.compression_id = 0;
+ /* QT spec says: max at 16 bit even if sample size were actually larger,
+ * however, most players (e.g. QuickTime!) seem to disagree, so ... */
+ entry.sample_size = depth;
+ entry.bytes_per_sample = depth / 8;
+ entry.samples_per_packet = 1;
+ entry.bytes_per_packet = depth / 8;
+ entry.bytes_per_frame = entry.bytes_per_packet * channels;
+ } else {
+ if (width == 8 && depth == 8) {
+ /* fall back to old 8-bit version */
+ entry.fourcc = FOURCC_raw_;
+ entry.version = 0;
+ entry.compression_id = 0;
+ entry.sample_size = 8;
+ } else {
+ GST_DEBUG_OBJECT (qtmux, "non 8-bit PCM must be signed");
+ goto refuse_caps;
+ }
+ }
+ constant_size = (depth / 8) * channels;
+ } else if (strcmp (mimetype, "audio/x-alaw") == 0) {
+ entry.fourcc = FOURCC_alaw;
+ entry.samples_per_packet = 1023;
+ entry.bytes_per_sample = 2;
+ } else if (strcmp (mimetype, "audio/x-mulaw") == 0) {
+ entry.fourcc = FOURCC_ulaw;
+ entry.samples_per_packet = 1023;
+ entry.bytes_per_sample = 2;
+ }
+
+ if (!entry.fourcc)
+ goto refuse_caps;
+
+ /* ok, set the pad info accordingly */
+ qtpad->fourcc = entry.fourcc;
+ qtpad->sample_size = constant_size;
+ /* collect optional extensions */
+ ext_atom = build_sample_entry_extension (qtpad->trak, qtmux->context->flavor,
+ entry.fourcc, esds_type, codec_data);
+ atom_trak_set_audio_type (qtpad->trak, qtmux->context, &entry,
+ entry.sample_rate, ext_atom, constant_size);
+
+ gst_object_unref (qtmux);
+ return TRUE;
+
+ /* ERRORS */
+refuse_caps:
+ {
+ GST_WARNING_OBJECT (qtmux, "pad %s refused caps %" GST_PTR_FORMAT,
+ GST_PAD_NAME (pad), caps);
+ gst_object_unref (qtmux);
+ return FALSE;
+ }
+refuse_renegotiation:
+ {
+ GST_WARNING_OBJECT (qtmux,
+ "pad %s refused renegotiation to %" GST_PTR_FORMAT,
+ GST_PAD_NAME (pad), caps);
+ gst_object_unref (qtmux);
+ return FALSE;
+ }
+}
+
+/* scale rate up or down by factor of 10 to fit into [1000,10000] interval */
+static guint32
+adjust_rate (guint64 rate)
+{
+ while (rate >= 10000)
+ rate /= 10;
+
+ while (rate < 1000)
+ rate *= 10;
+
+ return (guint32) rate;
+}
+
+static gboolean
+gst_qt_mux_video_sink_set_caps (GstPad * pad, GstCaps * caps)
+{
+ GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
+ GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
+ GstQTPad *qtpad = NULL;
+ GstStructure *structure;
+ const gchar *mimetype;
+ gint width, height, depth = -1;
+ gint framerate_num, framerate_den;
+ guint32 rate;
+ const GValue *value = NULL;
+ const GstBuffer *codec_data = NULL;
+ VisualSampleEntry entry = { 0, };
+ GstQTMuxFormat format;
+ AtomInfo *ext_atom = NULL;
+ guint esds_type = 0;
+ gboolean sync = FALSE;
+
+ /* find stream data */
+ qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
+ g_assert (qtpad);
+
+ /* does not go well to renegotiate stream mid-way */
+ if (qtpad->fourcc)
+ goto refuse_renegotiation;
+
+ GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
+ GST_DEBUG_PAD_NAME (pad), caps);
+
+ format = qtmux_klass->format;
+ structure = gst_caps_get_structure (caps, 0);
+ mimetype = gst_structure_get_name (structure);
+
+ /* required parts */
+ if (!gst_structure_get_int (structure, "width", &width) ||
+ !gst_structure_get_int (structure, "height", &height) ||
+ !gst_structure_get_fraction (structure, "framerate", &framerate_num,
+ &framerate_den))
+ goto refuse_caps;
+
+ /* optional */
+ gst_structure_get_int (structure, "depth", &depth);
+ value = gst_structure_get_value (structure, "codec_data");
+ if (value != NULL)
+ codec_data = gst_value_get_buffer (value);
+
+ /* FIXME: pixel-aspect-ratio */
+
+ qtpad->is_out_of_order = FALSE;
+
+ /* bring frame numerator into a range that ensures both reasonable resolution
+ * as well as a fair duration */
+ rate = adjust_rate (framerate_num);
+ GST_DEBUG_OBJECT (qtmux, "Rate of video track selected: %" G_GUINT32_FORMAT,
+ rate);
+
+ /* set common properties */
+ entry.width = width;
+ entry.height = height;
+ /* should be OK according to qt and iso spec, override if really needed */
+ entry.color_table_id = -1;
+ entry.frame_count = 1;
+ entry.depth = 24;
+
+ /* sync entries by default */
+ sync = TRUE;
+
+ /* now map onto a fourcc, and some extra properties */
+ if (strcmp (mimetype, "video/x-raw-rgb") == 0) {
+ gint bpp;
+
+ entry.fourcc = FOURCC_raw_;
+ gst_structure_get_int (structure, "bpp", &bpp);
+ entry.depth = bpp;
+ sync = FALSE;
+ } else if (strcmp (mimetype, "video/x-raw-yuv") == 0) {
+ guint32 format = 0;
+
+ sync = FALSE;
+ gst_structure_get_fourcc (structure, "format", &format);
+ switch (format) {
+ case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
+ if (depth == -1)
+ depth = 24;
+ entry.fourcc = FOURCC_2vuy;
+ entry.depth = depth;
+ break;
+ }
+ } else if (strcmp (mimetype, "video/x-h263") == 0) {
+ entry.fourcc = FOURCC_h263;
+ } else if (strcmp (mimetype, "video/x-divx") == 0 ||
+ strcmp (mimetype, "video/mpeg") == 0) {
+ gint version = 0;
+
+ if (strcmp (mimetype, "video/x-divx") == 0) {
+ gst_structure_get_int (structure, "divxversion", &version);
+ version = version == 5 ? 1 : 0;
+ } else {
+ gst_structure_get_int (structure, "mpegversion", &version);
+ version = version == 4 ? 1 : 0;
+ }
+ if (version) {
+ entry.fourcc = FOURCC_mp4v;
+ esds_type = ESDS_OBJECT_TYPE_MPEG4_P2;
+ if (!codec_data)
+ GST_WARNING_OBJECT (qtmux, "no codec_data for MPEG4 video; "
+ "output might not play in Apple QuickTime (try global-headers?)");
+ }
+ } else if (strcmp (mimetype, "video/x-h264") == 0) {
+ entry.fourcc = FOURCC_avc1;
+ qtpad->is_out_of_order = TRUE;
+ if (!codec_data)
+ GST_WARNING_OBJECT (qtmux, "no codec_data in h264 caps");
+ } else if (strcmp (mimetype, "video/x-dv") == 0) {
+ gint version = 0;
+ gboolean pal = TRUE;
+
+ sync = FALSE;
+ if (framerate_num != 25 || framerate_den != 1)
+ pal = FALSE;
+ gst_structure_get_int (structure, "dvversion", &version);
+ /* fall back to typical one */
+ if (!version)
+ version = 25;
+ switch (version) {
+ case 25:
+ if (pal)
+ entry.fourcc = GST_MAKE_FOURCC ('d', 'v', 'c', 'p');
+ else
+ entry.fourcc = GST_MAKE_FOURCC ('d', 'v', 'c', ' ');
+ break;
+ case 50:
+ if (pal)
+ entry.fourcc = GST_MAKE_FOURCC ('d', 'v', '5', 'p');
+ else
+ entry.fourcc = GST_MAKE_FOURCC ('d', 'v', '5', 'n');
+ break;
+ default:
+ GST_WARNING_OBJECT (qtmux, "unrecognized dv version");
+ break;
+ }
+ } else if (strcmp (mimetype, "image/jpeg") == 0) {
+ entry.fourcc = FOURCC_jpeg;
+ sync = FALSE;
+ } else if (strcmp (mimetype, "video/x-qt-part") == 0) {
+ guint32 fourcc;
+
+ gst_structure_get_fourcc (structure, "format", &fourcc);
+ entry.fourcc = fourcc;
+ qtpad->is_out_of_order = TRUE;
+ }
+
+ if (!entry.fourcc)
+ goto refuse_caps;
+
+ /* ok, set the pad info accordingly */
+ qtpad->fourcc = entry.fourcc;
+ qtpad->sync = sync;
+ /* collect optional extensions */
+ ext_atom = build_sample_entry_extension (qtpad->trak, qtmux->context->flavor,
+ entry.fourcc, esds_type, codec_data);
+ atom_trak_set_video_type (qtpad->trak, qtmux->context, &entry, rate,
+ ext_atom);
+
+ gst_object_unref (qtmux);
+ return TRUE;
+
+ /* ERRORS */
+refuse_caps:
+ {
+ GST_WARNING_OBJECT (qtmux, "pad %s refused caps %" GST_PTR_FORMAT,
+ GST_PAD_NAME (pad), caps);
+ gst_object_unref (qtmux);
+ return FALSE;
+ }
+refuse_renegotiation:
+ {
+ GST_WARNING_OBJECT (qtmux,
+ "pad %s refused renegotiation to %" GST_PTR_FORMAT,
+ GST_PAD_NAME (pad), caps);
+ gst_object_unref (qtmux);
+ return FALSE;
+ }
+}
+
+static gboolean
+gst_qt_mux_sink_event (GstPad * pad, GstEvent * event)
+{
+ gboolean ret;
+ GstQTMux *qtmux;
+ GstTagList *list;
+
+ qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
+ switch (GST_EVENT_TYPE (event)) {
+ case GST_EVENT_TAG:
+ GST_DEBUG_OBJECT (qtmux, "received tag event");
+ gst_event_parse_tag (event, &list);
+
+ if (qtmux->tags) {
+ gst_tag_list_insert (qtmux->tags, list, GST_TAG_MERGE_PREPEND);
+ } else {
+ qtmux->tags = gst_tag_list_copy (list);
+ }
+ break;
+ default:
+ break;
+ }
+
+ ret = qtmux->collect_event (pad, event);
+ gst_object_unref (qtmux);
+
+ return ret;
+}
+
+static void
+gst_qt_mux_release_pad (GstElement * element, GstPad * pad)
+{
+ GstQTMux *mux = GST_QT_MUX_CAST (element);
+
+ /* let GstCollectPads complain if it is some unknown pad */
+ if (gst_collect_pads_remove_pad (mux->collect, pad))
+ gst_element_remove_pad (element, pad);
+}
+
+static GstPad *
+gst_qt_mux_request_new_pad (GstElement * element,
+ GstPadTemplate * templ, const gchar * name)
+{
+ GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
+ GstQTMux *qtmux = GST_QT_MUX_CAST (element);
+ GstQTPad *collect_pad;
+ GstPad *newpad;
+ gboolean audio;
+
+ GST_DEBUG_OBJECT (qtmux, "Requested pad: %s", GST_STR_NULL (name));
+
+ if (qtmux->state != GST_QT_MUX_STATE_NONE) {
+ GST_WARNING_OBJECT (qtmux, "Not providing request pad after stream start.");
+ return NULL;
+ }
+
+ if (templ == gst_element_class_get_pad_template (klass, "audio_%d")) {
+ audio = TRUE;
+ } else if (templ == gst_element_class_get_pad_template (klass, "video_%d")) {
+ audio = FALSE;
+ } else {
+ GST_WARNING_OBJECT (qtmux, "This is not our template!");
+ return NULL;
+ }
+
+ /* add pad to collections */
+ newpad = gst_pad_new_from_template (templ, name);
+ collect_pad = (GstQTPad *)
+ gst_collect_pads_add_pad_full (qtmux->collect, newpad, sizeof (GstQTPad),
+ (GstCollectDataDestroyNotify) (gst_qt_mux_pad_reset));
+ /* set up pad */
+ gst_qt_mux_pad_reset (collect_pad);
+ collect_pad->trak = atom_trak_new (qtmux->context);
+ atom_moov_add_trak (qtmux->moov, collect_pad->trak);
+
+ /* set up pad functions */
+ if (audio)
+ gst_pad_set_setcaps_function (newpad,
+ GST_DEBUG_FUNCPTR (gst_qt_mux_audio_sink_set_caps));
+ else
+ gst_pad_set_setcaps_function (newpad,
+ GST_DEBUG_FUNCPTR (gst_qt_mux_video_sink_set_caps));
+
+ /* FIXME: hacked way to override/extend the event function of
+ * GstCollectPads; because it sets its own event function giving the
+ * element no access to events.
+ */
+ qtmux->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (newpad);
+ gst_pad_set_event_function (newpad,
+ GST_DEBUG_FUNCPTR (gst_qt_mux_sink_event));
+
+ gst_pad_set_active (newpad, TRUE);
+ gst_element_add_pad (element, newpad);
+
+ return newpad;
+}
+
+static void
+gst_qt_mux_get_property (GObject * object,
+ guint prop_id, GValue * value, GParamSpec * pspec)
+{
+ GstQTMux *qtmux = GST_QT_MUX_CAST (object);
+
+ GST_OBJECT_LOCK (qtmux);
+ switch (prop_id) {
+ case PROP_LARGE_FILE:
+ g_value_set_boolean (value, qtmux->large_file);
+ break;
+ case PROP_MOVIE_TIMESCALE:
+ g_value_set_uint (value, qtmux->timescale);
+ break;
+ case PROP_DO_CTTS:
+ g_value_set_boolean (value, qtmux->do_ctts);
+ break;
+ case PROP_FAST_START:
+ g_value_set_boolean (value, qtmux->fast_start);
+ break;
+ case PROP_FAST_START_TEMP_FILE:
+ g_value_set_string (value, qtmux->fast_start_file_path);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+ GST_OBJECT_UNLOCK (qtmux);
+}
+
+static void
+gst_qt_mux_generate_fast_start_file_path (GstQTMux * qtmux)
+{
+ gchar *tmp;
+
+ if (qtmux->fast_start_file_path) {
+ g_free (qtmux->fast_start_file_path);
+ qtmux->fast_start_file_path = NULL;
+ }
+
+ tmp = g_strdup_printf ("%s%d", "qtmux", g_random_int ());
+ qtmux->fast_start_file_path = g_build_filename (g_get_tmp_dir (), tmp, NULL);
+ g_free (tmp);
+}
+
+static void
+gst_qt_mux_set_property (GObject * object,
+ guint prop_id, const GValue * value, GParamSpec * pspec)
+{
+ GstQTMux *qtmux = GST_QT_MUX_CAST (object);
+
+ GST_OBJECT_LOCK (qtmux);
+ switch (prop_id) {
+ case PROP_LARGE_FILE:
+ qtmux->large_file = g_value_get_boolean (value);
+ break;
+ case PROP_MOVIE_TIMESCALE:
+ qtmux->timescale = g_value_get_uint (value);
+ break;
+ case PROP_DO_CTTS:
+ qtmux->do_ctts = g_value_get_boolean (value);
+ break;
+ case PROP_FAST_START:
+ qtmux->fast_start = g_value_get_boolean (value);
+ break;
+ case PROP_FAST_START_TEMP_FILE:
+ if (qtmux->fast_start_file_path) {
+ g_free (qtmux->fast_start_file_path);
+ }
+ qtmux->fast_start_file_path = g_value_dup_string (value);
+ /* NULL means to generate a random one */
+ if (!qtmux->fast_start_file_path) {
+ gst_qt_mux_generate_fast_start_file_path (qtmux);
+ }
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+ break;
+ }
+ GST_OBJECT_UNLOCK (qtmux);
+}
+
+static GstStateChangeReturn
+gst_qt_mux_change_state (GstElement * element, GstStateChange transition)
+{
+ GstStateChangeReturn ret;
+ GstQTMux *qtmux = GST_QT_MUX_CAST (element);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_NULL_TO_READY:
+ break;
+ case GST_STATE_CHANGE_READY_TO_PAUSED:
+ gst_collect_pads_start (qtmux->collect);
+ qtmux->state = GST_QT_MUX_STATE_STARTED;
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ gst_collect_pads_stop (qtmux->collect);
+ break;
+ default:
+ break;
+ }
+
+ ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
+
+ switch (transition) {
+ case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
+ break;
+ case GST_STATE_CHANGE_PAUSED_TO_READY:
+ gst_qt_mux_reset (qtmux, TRUE);
+ break;
+ case GST_STATE_CHANGE_READY_TO_NULL:
+ break;
+ default:
+ break;
+ }
+
+ return ret;
+}
+
+
+gboolean
+gst_qt_mux_register (GstPlugin * plugin)
+{
+ GTypeInfo typeinfo = {
+ sizeof (GstQTMuxClass),
+ (GBaseInitFunc) gst_qt_mux_base_init,
+ NULL,
+ (GClassInitFunc) gst_qt_mux_class_init,
+ NULL,
+ NULL,
+ sizeof (GstQTMux),
+ 0,
+ (GInstanceInitFunc) gst_qt_mux_init,
+ };
+ static const GInterfaceInfo tag_setter_info = {
+ NULL, NULL, NULL
+ };
+ GType type;
+ GstQTMuxFormat format;
+ GstQTMuxClassParams *params;
+ guint i = 0;
+
+ GST_LOG ("Registering muxers");
+
+ while (TRUE) {
+ GstQTMuxFormatProp *prop;
+
+ prop = &gst_qt_mux_format_list[i];
+ format = prop->format;
+ if (format == GST_QT_MUX_FORMAT_NONE)
+ break;
+
+ /* create a cache for these properties */
+ params = g_new0 (GstQTMuxClassParams, 1);
+ params->prop = prop;
+ params->src_caps = gst_static_caps_get (&prop->src_caps);
+ params->video_sink_caps = gst_static_caps_get (&prop->video_sink_caps);
+ params->audio_sink_caps = gst_static_caps_get (&prop->audio_sink_caps);
+
+ /* create the type now */
+ type = g_type_register_static (GST_TYPE_ELEMENT, prop->type_name, &typeinfo,
+ 0);
+ g_type_set_qdata (type, GST_QT_MUX_PARAMS_QDATA, (gpointer) params);
+ g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, &tag_setter_info);
+
+ if (!gst_element_register (plugin, prop->name, GST_RANK_NONE, type))
+ return FALSE;
+
+ i++;
+ }
+
+ GST_LOG ("Finished registering muxers");
+
+ return TRUE;
+}
+
+gboolean
+gst_qt_mux_plugin_init (GstPlugin * plugin)
+{
+ GST_DEBUG_CATEGORY_INIT (gst_qt_mux_debug, "qtmux", 0, "QT Muxer");
+
+ return gst_qt_mux_register (plugin);
+}
+
+GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
+ GST_VERSION_MINOR,
+ "qtmux",
+ "Quicktime Muxer plugin",
+ gst_qt_mux_plugin_init, VERSION, "LGPL", "gsoc2008 package",
+ "embedded.ufcg.edu.br")
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_QT_MUX_H__
+#define __GST_QT_MUX_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstcollectpads.h>
+
+#include "fourcc.h"
+#include "atoms.h"
+#include "gstqtmuxmap.h"
+
+G_BEGIN_DECLS
+
+#define GST_TYPE_QT_MUX (gst_qt_mux_get_type())
+#define GST_QT_MUX(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_QT_MUX, GstQTMux))
+#define GST_QT_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_QT_MUX, GstQTMux))
+#define GST_IS_QT_MUX(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_QT_MUX))
+#define GST_IS_QT_MUX_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_QT_MUX))
+#define GST_QT_MUX_CAST(obj) ((GstQTMux*)(obj))
+
+
+typedef struct _GstQTMux GstQTMux;
+typedef struct _GstQTMuxClass GstQTMuxClass;
+
+typedef struct _GstQTPad
+{
+ GstCollectData collect; /* we extend the CollectData */
+
+ /* fourcc id of stream */
+ guint32 fourcc;
+ /* whether using format that have out of order buffers */
+ gboolean is_out_of_order;
+ /* if not 0, track with constant sized samples, e.g. raw audio */
+ guint sample_size;
+ /* make sync table entry */
+ gboolean sync;
+
+ GstBuffer *last_buf;
+ /* dts of last_buf */
+ GstClockTime last_dts;
+
+ /* all the atom and chunk book-keeping is delegated here
+ * unowned/uncounted reference, parent MOOV owns */
+ AtomTRAK *trak;
+} GstQTPad;
+
+typedef enum _GstQTMuxState
+{
+ GST_QT_MUX_STATE_NONE,
+ GST_QT_MUX_STATE_STARTED,
+ GST_QT_MUX_STATE_DATA,
+ GST_QT_MUX_STATE_EOS
+} GstQTMuxState;
+
+struct _GstQTMux
+{
+ GstElement element;
+
+ GstPad *srcpad;
+ GstCollectPads *collect;
+
+ /* state */
+ GstQTMuxState state;
+
+ /* size of header (prefix, atoms (ftyp, mdat)) */
+ guint64 header_size;
+ /* accumulated size of raw media data (a priori not including mdat header) */
+ guint64 mdat_size;
+ /* position of mdat extended size field (for later updating) */
+ guint64 mdat_pos;
+
+ /* atom helper objects */
+ AtomsContext *context;
+ AtomFTYP *ftyp;
+ AtomMOOV *moov;
+
+ /* fast start */
+ FILE *fast_start_file;
+
+ GstTagList *tags;
+
+ /* properties */
+ guint32 timescale;
+ AtomsTreeFlavor flavor;
+ gboolean fast_start;
+ gboolean large_file;
+ gboolean do_ctts;
+ gchar *fast_start_file_path;
+
+ /* for collect pads event handling function */
+ GstPadEventFunction collect_event;
+};
+
+struct _GstQTMuxClass
+{
+ GstElementClass parent_class;
+
+ GstQTMuxFormat format;
+};
+
+/* type register helper struct */
+typedef struct _GstQTMuxClassParams
+{
+ GstQTMuxFormatProp *prop;
+ GstCaps *src_caps;
+ GstCaps *video_sink_caps;
+ GstCaps *audio_sink_caps;
+} GstQTMuxClassParams;
+
+#define GST_QT_MUX_PARAMS_QDATA g_quark_from_static_string("qt-mux-params")
+
+GType gst_qt_mux_get_type (void);
+
+G_END_DECLS
+
+#endif /* __GST_QT_MUX_H__ */
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ * Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "gstqtmuxmap.h"
+#include "fourcc.h"
+#include "ftypcc.h"
+
+/* static info related to various format */
+
+#define COMMON_VIDEO_CAPS \
+ "width = (int) [ 16, 4096 ], " \
+ "height = (int) [ 16, 4096 ], " \
+ "framerate = (fraction) [ 0, MAX ]"
+
+#define COMMON_VIDEO_CAPS_NO_FRAMERATE \
+ "width = (int) [ 16, 4096 ], " \
+ "height = (int) [ 16, 4096 ] "
+
+#define H264_CAPS \
+ "video/x-h264, " \
+ COMMON_VIDEO_CAPS
+
+#define MPEG4V_CAPS \
+ "video/mpeg, " \
+ "mpegversion = (int) 4, "\
+ "systemstream = (boolean) false, " \
+ COMMON_VIDEO_CAPS "; " \
+ "video/x-divx, " \
+ "divxversion = (int) 5, "\
+ COMMON_VIDEO_CAPS
+
+#define COMMON_AUDIO_CAPS(c, r) \
+ "channels = (int) [ 1, " G_STRINGIFY (c) " ], " \
+ "rate = (int) [ 1, " G_STRINGIFY (r) " ]"
+
+#define PCM_CAPS \
+ "audio/x-raw-int, " \
+ "width = (int) 8, " \
+ "depth = (int) 8, " \
+ COMMON_AUDIO_CAPS (2, MAX) ", " \
+ "signed = (boolean) { true, false }; " \
+ "audio/x-raw-int, " \
+ "width = (int) 16, " \
+ "depth = (int) 16, " \
+ "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " \
+ COMMON_AUDIO_CAPS (2, MAX) ", " \
+ "signed = (boolean) true " \
+
+#define PCM_CAPS_FULL \
+ PCM_CAPS "; " \
+ "audio/x-raw-int, " \
+ "width = (int) 24, " \
+ "depth = (int) 24, " \
+ "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " \
+ COMMON_AUDIO_CAPS (2, MAX) ", " \
+ "signed = (boolean) true; " \
+ "audio/x-raw-int, " \
+ "width = (int) 32, " \
+ "depth = (int) 32, " \
+ "endianness = (int) { BIG_ENDIAN, LITTLE_ENDIAN }, " \
+ COMMON_AUDIO_CAPS (2, MAX) ", " \
+ "signed = (boolean) true "
+
+#define MP3_CAPS \
+ "audio/mpeg, " \
+ "mpegversion = (int) 1, " \
+ "layer = (int) 3, " \
+ COMMON_AUDIO_CAPS (2, MAX)
+
+#define AAC_CAPS \
+ "audio/mpeg, " \
+ "mpegversion = (int) 4, " \
+ COMMON_AUDIO_CAPS (8, MAX)
+
+
+GstQTMuxFormatProp gst_qt_mux_format_list[] = {
+ /* original QuickTime format; see Apple site (e.g. qtff.pdf) */
+ {
+ GST_QT_MUX_FORMAT_QT,
+ "qtmux",
+ "QuickTime",
+ "GstQTMux",
+ GST_STATIC_CAPS ("video/quicktime"),
+ GST_STATIC_CAPS ("video/x-raw-rgb, "
+ COMMON_VIDEO_CAPS "; "
+ "video/x-raw-yuv, "
+ "format = (fourcc) UYVY, "
+ COMMON_VIDEO_CAPS "; "
+ "video/x-h263, "
+ "h263version = (string) h263, "
+ COMMON_VIDEO_CAPS "; "
+ MPEG4V_CAPS "; "
+ H264_CAPS "; "
+ "video/x-dv, "
+ "systemstream = (boolean) false, "
+ COMMON_VIDEO_CAPS "; "
+ "image/jpeg, "
+ COMMON_VIDEO_CAPS_NO_FRAMERATE "; " "video/x-qt-part"),
+ GST_STATIC_CAPS (PCM_CAPS_FULL "; "
+ MP3_CAPS " ; "
+ AAC_CAPS " ; "
+ "audio/x-alaw, "
+ COMMON_AUDIO_CAPS (2, MAX) "; "
+ "audio/x-mulaw, " COMMON_AUDIO_CAPS (2, MAX))
+ }
+ ,
+ /* ISO 14496-14: mp42 as ISO base media extension
+ * (supersedes original ISO 144996-1 mp41) */
+ {
+ GST_QT_MUX_FORMAT_MP4,
+ "mp4mux",
+ "MP4",
+ "GstMP4Mux",
+ /* FIXME does not feel right, due to qt caps mess */
+ GST_STATIC_CAPS ("video/quicktime"),
+ GST_STATIC_CAPS (MPEG4V_CAPS "; " H264_CAPS),
+ GST_STATIC_CAPS (MP3_CAPS "; " AAC_CAPS)
+ }
+ ,
+ /* 3GPP Technical Specification 26.244 V7.3.0
+ * (extended in 3GPP2 File Formats for Multimedia Services) */
+ {
+ GST_QT_MUX_FORMAT_3GP,
+ "gppmux",
+ "3GPP",
+ "GstGPPMux",
+ GST_STATIC_CAPS ("application/x-3gp"),
+ GST_STATIC_CAPS (H264_CAPS),
+ GST_STATIC_CAPS ("audio/AMR, "
+ COMMON_AUDIO_CAPS (8, MAX) "; " MP3_CAPS "; " AAC_CAPS)
+ }
+ ,
+ /* ISO 15444-3: Motion-JPEG-2000 (also ISO base media extension) */
+ {
+ GST_QT_MUX_FORMAT_MJ2,
+ "mj2mux",
+ "MJ2",
+ "GstMJ2Mux",
+ GST_STATIC_CAPS ("video/mj2"),
+ GST_STATIC_CAPS ("image/x-j2c, " COMMON_VIDEO_CAPS),
+ GST_STATIC_CAPS (PCM_CAPS)
+ }
+ ,
+ {
+ GST_QT_MUX_FORMAT_NONE,
+ }
+ ,
+};
+
+/* pretty static, but may turn out needed a few times */
+AtomsTreeFlavor
+gst_qt_mux_map_format_to_flavor (GstQTMuxFormat format)
+{
+ if (format == GST_QT_MUX_FORMAT_QT)
+ return ATOMS_TREE_FLAVOR_MOV;
+ else
+ return ATOMS_TREE_FLAVOR_ISOM;
+}
+
+/* pretty static, but possibly dynamic format info */
+
+/* notes:
+ * - avc1 brand is not used, since the specific extensions indicated by it
+ * are not used (e.g. sample groupings, etc)
+ * - 3GPP2 specific formats not (yet) used, only 3GPP, so no need yet either
+ * for 3g2a (but later on, moov might be used to conditionally switch to
+ * 3g2a if needed) */
+void
+gst_qt_mux_map_format_to_header (GstQTMuxFormat format, GstBuffer ** _prefix,
+ guint32 * _major, guint32 * _version, GList ** _compatible, AtomMOOV * moov)
+{
+ static guint32 qt_brands[] = { 0 };
+ static guint32 mp4_brands[] = { FOURCC_mp41, FOURCC_isom, FOURCC_iso2, 0 };
+ static guint32 gpp_brands[] = { FOURCC_isom, FOURCC_iso2, 0 };
+ static guint32 mjp2_brands[] = { FOURCC_isom, FOURCC_iso2, 0 };
+ static guint8 mjp2_prefix[] =
+ { 0, 0, 0, 12, 'j', 'P', ' ', ' ', 0x0D, 0x0A, 0x87, 0x0A };
+ guint32 *comp = NULL;
+ guint32 major = 0, version;
+ GstBuffer *prefix = NULL;
+ GList *result = NULL;
+
+ g_return_if_fail (_prefix != NULL);
+ g_return_if_fail (_major != NULL);
+ g_return_if_fail (_version != NULL);
+ g_return_if_fail (_compatible != NULL);
+
+ version = 1;
+ switch (format) {
+ case GST_QT_MUX_FORMAT_QT:
+ major = FOURCC_qt__;
+ comp = qt_brands;
+ version = 0x20050300;
+ break;
+ case GST_QT_MUX_FORMAT_MP4:
+ major = FOURCC_mp42;
+ comp = mp4_brands;
+ break;
+ case GST_QT_MUX_FORMAT_3GP:
+ major = FOURCC_3gg7;
+ comp = gpp_brands;
+ break;
+ case GST_QT_MUX_FORMAT_MJ2:
+ major = FOURCC_mjp2;
+ comp = mjp2_brands;
+ prefix = gst_buffer_new_and_alloc (sizeof (mjp2_prefix));
+ memcpy (GST_BUFFER_DATA (prefix), mjp2_prefix, GST_BUFFER_SIZE (prefix));
+ break;
+ default:
+ g_assert_not_reached ();
+ break;
+ }
+
+ /* convert list to list, hm */
+ while (comp && *comp != 0) {
+ /* order matters over efficiency */
+ result = g_list_append (result, GUINT_TO_POINTER (*comp));
+ comp++;
+ }
+
+ *_major = major;
+ *_version = version;
+ *_prefix = prefix;
+ *_compatible = result;
+
+ /* TODO 3GPP may include mp42 as compatible if applicable */
+ /* TODO 3GPP major brand 3gp7 if at most 1 video and audio track */
+}
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ * Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __GST_QT_MUX_MAP_H__
+#define __GST_QT_MUX_MAP_H__
+
+#include "atoms.h"
+
+#include <glib.h>
+#include <gst/gst.h>
+
+typedef enum _GstQTMuxFormat
+{
+ GST_QT_MUX_FORMAT_NONE = 0,
+ GST_QT_MUX_FORMAT_QT,
+ GST_QT_MUX_FORMAT_MP4,
+ GST_QT_MUX_FORMAT_3GP,
+ GST_QT_MUX_FORMAT_MJ2
+} GstQTMuxFormat;
+
+typedef struct _GstQTMuxFormatProp
+{
+ GstQTMuxFormat format;
+ gchar *name;
+ gchar *long_name;
+ gchar *type_name;
+ GstStaticCaps src_caps;
+ GstStaticCaps video_sink_caps;
+ GstStaticCaps audio_sink_caps;
+} GstQTMuxFormatProp;
+
+extern GstQTMuxFormatProp gst_qt_mux_format_list[];
+
+void gst_qt_mux_map_format_to_header (GstQTMuxFormat format, GstBuffer ** _prefix,
+ guint32 * _major, guint32 * verson,
+ GList ** _compatible, AtomMOOV * moov);
+
+AtomsTreeFlavor gst_qt_mux_map_format_to_flavor (GstQTMuxFormat format);
+
+#endif /* __GST_QT_MUX_MAP_H__ */
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#include "properties.h"
+
+/* if needed, re-allocate buffer to ensure size bytes can be written into it
+ * at offset */
+void
+prop_copy_ensure_buffer (guint8 ** buffer, guint64 * bsize, guint64 * offset,
+ guint64 size)
+{
+ if (buffer && *bsize - *offset < size) {
+ *bsize += size + 10 * 1024;
+ *buffer = g_realloc (*buffer, *bsize);
+ }
+}
+
+static guint64
+copy_func (void *prop, guint size, guint8 ** buffer, guint64 * bsize,
+ guint64 * offset)
+{
+ if (buffer) {
+ prop_copy_ensure_buffer (buffer, bsize, offset, size);
+ memcpy (*buffer + *offset, prop, size);
+ }
+ *offset += size;
+ return size;
+}
+
+#define INT_ARRAY_COPY_FUNC_FAST(name, datatype) \
+guint64 prop_copy_ ## name ## _array (datatype *prop, guint size, \
+ guint8 ** buffer, guint64 * bsize, guint64 * offset) { \
+ return copy_func (prop, sizeof (datatype) * size, buffer, bsize, offset);\
+}
+
+#define INT_ARRAY_COPY_FUNC(name, datatype) \
+guint64 prop_copy_ ## name ## _array (datatype *prop, guint size, \
+ guint8 ** buffer, guint64 * bsize, guint64 * offset) { \
+ guint i; \
+ \
+ for (i = 0; i < size; i++) { \
+ prop_copy_ ## name (prop[i], buffer, bsize, offset); \
+ } \
+ return sizeof (datatype) * size; \
+}
+
+/* INTEGERS */
+guint64
+prop_copy_uint8 (guint8 prop, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ return copy_func (&prop, sizeof (guint8), buffer, size, offset);
+}
+
+guint64
+prop_copy_uint16 (guint16 prop, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ prop = GUINT16_TO_BE (prop);
+ return copy_func (&prop, sizeof (guint16), buffer, size, offset);
+}
+
+guint64
+prop_copy_uint32 (guint32 prop, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ prop = GUINT32_TO_BE (prop);
+ return copy_func (&prop, sizeof (guint32), buffer, size, offset);
+}
+
+guint64
+prop_copy_uint64 (guint64 prop, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ prop = GUINT64_TO_BE (prop);
+ return copy_func (&prop, sizeof (guint64), buffer, size, offset);
+}
+
+guint64
+prop_copy_int32 (gint32 prop, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ prop = GINT32_TO_BE (prop);
+ return copy_func (&prop, sizeof (guint32), buffer, size, offset);
+}
+
+/* uint8 can use direct copy in any case, and may be used for large quantity */
+INT_ARRAY_COPY_FUNC_FAST (uint8, guint8);
+/* not used in large quantity anyway */
+INT_ARRAY_COPY_FUNC (uint16, guint16);
+INT_ARRAY_COPY_FUNC (uint32, guint32);
+INT_ARRAY_COPY_FUNC (uint64, guint64);
+
+/* FOURCC */
+guint64
+prop_copy_fourcc (guint32 prop, guint8 ** buffer, guint64 * size,
+ guint64 * offset)
+{
+ prop = GINT32_TO_LE (prop);
+ return copy_func (&prop, sizeof (guint32), buffer, size, offset);
+}
+
+INT_ARRAY_COPY_FUNC (fourcc, guint32);
+
+/**
+ * Copies a string of bytes without placing its size at the beginning.
+ *
+ * @string: the string to be copied
+ * @str_size: size of the string
+ * @buffer: the array to copy the string to
+ * @offset: the position in the buffer array.
+ * This value is updated to the point right after the copied string.
+ *
+ * Returns: the number of bytes copied
+ */
+guint64
+prop_copy_fixed_size_string (guint8 * string, guint str_size, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ return copy_func (string, str_size * sizeof (guint8), buffer, size, offset);
+}
+
+/**
+ * Copies a string and its size to an array. Example:
+ * string = 'abc\0'
+ * result in the array: [3][a][b][c] (each [x] represents a position)
+ *
+ * @string: the string to be copied
+ * @str_size: size of the string
+ * @buffer: the array to copy the string to
+ * @offset: the position in the buffer array.
+ * This value is updated to the point right after the copied string.
+ *
+ * Returns: the number of bytes copied
+ */
+guint64
+prop_copy_size_string (guint8 * string, guint str_size, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+
+ prop_copy_uint8 (str_size, buffer, size, offset);
+ prop_copy_fixed_size_string (string, str_size, buffer, size, offset);
+ return *offset - original_offset;
+}
+
+/**
+ * Copies a string including its null terminating char to an array.
+ *
+ * @string: the string to be copied
+ * @buffer: the array to copy the string to
+ * @offset: the position in the buffer array.
+ * This value is updated to the point right after the copied string.
+ *
+ * Returns: the number of bytes copied
+ */
+guint64
+prop_copy_null_terminated_string (gchar * string, guint8 ** buffer,
+ guint64 * size, guint64 * offset)
+{
+ guint64 original_offset = *offset;
+ guint len = strlen (string);
+
+ prop_copy_fixed_size_string ((guint8 *) string, len, buffer, size, offset);
+ prop_copy_uint8 ('\0', buffer, size, offset);
+ return *offset - original_offset;
+}
--- /dev/null
+/* Quicktime muxer plugin for GStreamer
+ * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+#ifndef __PROPERTIES_H__
+#define __PROPERTIES_H__
+
+#include <glib.h>
+#include <string.h>
+
+/**
+ * Functions for copying atoms properties.
+ *
+ * All of them receive, as the input, the property to be copied, the destination
+ * buffer, and a pointer to an offset in the destination buffer to copy to the right place.
+ * This offset will be updated to the new value (offset + copied_size)
+ * The functions return the size of the property that has been copied or 0
+ * if it couldn't copy.
+ */
+
+void prop_copy_ensure_buffer (guint8 ** buffer, guint64 * bsize, guint64 * offset, guint64 size);
+
+guint64 prop_copy_uint8 (guint8 prop, guint8 **buffer, guint64 *size, guint64 *offset);
+guint64 prop_copy_uint16 (guint16 prop, guint8 **buffer, guint64 *size, guint64 *offset);
+guint64 prop_copy_uint32 (guint32 prop, guint8 **buffer, guint64 *size, guint64 *offset);
+guint64 prop_copy_uint64 (guint64 prop, guint8 **buffer, guint64 *size, guint64 *offset);
+
+guint64 prop_copy_int32 (gint32 prop, guint8 **buffer, guint64 *size, guint64 *offset);
+
+guint64 prop_copy_uint8_array (guint8 *prop, guint size,
+ guint8 **buffer, guint64 *bsize, guint64 *offset);
+guint64 prop_copy_uint16_array (guint16 *prop, guint size,
+ guint8 **buffer, guint64 *bsize, guint64 *offset);
+guint64 prop_copy_uint32_array (guint32 *prop, guint size,
+ guint8 **buffer, guint64 *bsize, guint64 *offset);
+guint64 prop_copy_uint64_array (guint64 *prop, guint size,
+ guint8 **buffer, guint64 *bsize, guint64 *offset);
+
+guint64 prop_copy_fourcc (guint32 prop, guint8 **buffer, guint64 *size, guint64 *offset);
+guint64 prop_copy_fourcc_array (guint32 *prop, guint size,
+ guint8 **buffer, guint64 *bsize, guint64 *offset);
+guint64 prop_copy_fixed_size_string (guint8 *string, guint str_size,
+ guint8 **buffer, guint64 *size, guint64 *offset);
+guint64 prop_copy_size_string (guint8 *string, guint str_size,
+ guint8 **buffer, guint64 *size, guint64 *offset);
+guint64 prop_copy_null_terminated_string (gchar *string,
+ guint8 **buffer, guint64 *size, guint64 *offset);
+
+#endif /* __PROPERTIES_H__ */
projects / platform / upstream / gstreamer.git / commitdiff