Move basevideo classes and schroedinger plugin to -bad.
AG_GST_PKG_CHECK_MODULES(PANGO, pango pangoft2)
])
-dnl *** schroedinger ***
-translit(dnm, m, l) AM_CONDITIONAL(USE_SCHRO, true)
-AG_GST_CHECK_FEATURE(SCHRO, [Schroedinger video codec], schro, [
- AG_GST_PKG_CHECK_MODULES(SCHRO, schroedinger-1.0 >= 1.0.7)
-])
-
dnl *** theora ***
translit(dnm, m, l) AM_CONDITIONAL(USE_THEORA, true)
AG_GST_CHECK_FEATURE(THEORA, [Xiph Theora video codec], theora, [
AM_CONDITIONAL(USE_LIBVISUAL, false)
AM_CONDITIONAL(USE_OGG, false)
AM_CONDITIONAL(USE_PANGO, false)
-AM_CONDITIONAL(USE_SCHRO, false)
AM_CONDITIONAL(USE_THEORA, false)
AM_CONDITIONAL(USE_VORBIS, false)
ext/libvisual/Makefile
ext/ogg/Makefile
ext/pango/Makefile
-ext/schroedinger/Makefile
ext/theora/Makefile
ext/vorbis/Makefile
gst-libs/Makefile
THEORA_DIR=
endif
-if USE_SCHRO
-SCHRO_DIR=schroedinger
-else
-SCHRO_DIR=
-endif
-
SUBDIRS = \
$(ALSA_DIR) \
$(CDPARANOIA_DIR) \
$(LIBVISUAL_DIR) \
$(OGG_DIR) \
$(PANGO_DIR) \
- $(SCHRO_DIR) \
$(THEORA_DIR) \
$(VORBIS_DIR)
+++ /dev/null
-
-plugin_LTLIBRARIES = libgstschro.la
-
-noinst_HEADERS = \
- gstschroutils.h
-
-libgstschro_la_SOURCES = \
- gstschro.c \
- gstschrodec.c \
- gstschroenc.c \
- gstschroparse.c \
- gstschroutils.c
-libgstschro_la_CFLAGS = \
- $(GST_PLUGINS_BASE_CFLAGS) \
- $(GST_CFLAGS) \
- $(GST_BASE_CFLAGS) \
- $(SCHRO_CFLAGS)
-libgstschro_la_LIBADD = \
- $(top_builddir)/gst-libs/gst/video/libgstvideo-$(GST_MAJORMINOR).la \
- $(GST_LIBS) \
- $(GST_BASE_LIBS) \
- $(SCHRO_LIBS)
-libgstschro_la_LDFLAGS = $(GST_PLUGIN_LDFLAGS)
-libgstschro_la_LIBTOOLFLAGS = --tag=disable-static
-
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2005 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <schroedinger/schro.h>
-
-GType gst_schro_enc_get_type (void);
-GType gst_schro_dec_get_type (void);
-GType gst_schro_parse_get_type (void);
-
-GST_DEBUG_CATEGORY (schro_debug);
-#define GST_CAT_DEFAULT schro_debug
-
-static gboolean
-plugin_init (GstPlugin * plugin)
-{
- schro_init ();
-
- GST_DEBUG_CATEGORY_INIT (schro_debug, "schro", 0, "Schroedinger");
- gst_element_register (plugin, "schrodec", GST_RANK_PRIMARY,
- gst_schro_dec_get_type ());
- gst_element_register (plugin, "schroparse", GST_RANK_NONE,
- gst_schro_parse_get_type ());
- gst_element_register (plugin, "schroenc", GST_RANK_PRIMARY,
- gst_schro_enc_get_type ());
-
- return TRUE;
-}
-
-GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
- GST_VERSION_MINOR,
- "schro",
- "Schroedinger plugin",
- plugin_init, VERSION, "LGPL", GST_PACKAGE_NAME, GST_PACKAGE_ORIGIN)
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2006 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <gst/base/gstadapter.h>
-#include <gst/video/video.h>
-#include <gst/video/gstbasevideodecoder.h>
-#include <string.h>
-#include <schroedinger/schro.h>
-#include <math.h>
-#include "gstschroutils.h"
-
-#include <schroedinger/schroparse.h>
-
-GST_DEBUG_CATEGORY_EXTERN (schro_debug);
-#define GST_CAT_DEFAULT schro_debug
-
-#define GST_TYPE_SCHRO_DEC \
- (gst_schro_dec_get_type())
-#define GST_SCHRO_DEC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SCHRO_DEC,GstSchroDec))
-#define GST_SCHRO_DEC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SCHRO_DEC,GstSchroDecClass))
-#define GST_IS_SCHRO_DEC(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SCHRO_DEC))
-#define GST_IS_SCHRO_DEC_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SCHRO_DEC))
-
-typedef struct _GstSchroDec GstSchroDec;
-typedef struct _GstSchroDecClass GstSchroDecClass;
-
-struct _GstSchroDec
-{
- GstBaseVideoDecoder base_video_decoder;
-
- SchroDecoder *decoder;
-
- GstBuffer *seq_header_buffer;
-};
-
-struct _GstSchroDecClass
-{
- GstBaseVideoDecoder base_video_decoder_class;
-};
-
-
-/* GstSchroDec signals and args */
-enum
-{
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
-};
-
-static void gst_schro_dec_finalize (GObject * object);
-static void gst_schro_dec_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_schro_dec_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static gboolean gst_schro_dec_sink_query (GstPad * pad, GstQuery * query);
-
-static gboolean gst_schro_dec_start (GstBaseVideoDecoder * dec);
-static gboolean gst_schro_dec_stop (GstBaseVideoDecoder * dec);
-static gboolean gst_schro_dec_reset (GstBaseVideoDecoder * dec);
-static GstFlowReturn gst_schro_dec_parse_data (GstBaseVideoDecoder *
- base_video_decoder, gboolean at_eos);
-static int gst_schro_dec_scan_for_sync (GstBaseVideoDecoder *
- base_video_decoder, gboolean at_eos, int offset, int n);
-static GstFlowReturn gst_schro_dec_handle_frame (GstBaseVideoDecoder * decoder,
- GstVideoFrame * frame);
-static GstFlowReturn gst_schro_dec_finish (GstBaseVideoDecoder *
- base_video_decoder, GstVideoFrame * frame);
-static void gst_schrodec_send_tags (GstSchroDec * schro_dec);
-
-static GstStaticPadTemplate gst_schro_dec_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-dirac")
- );
-
-static GstStaticPadTemplate gst_schro_dec_src_template =
-GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ I420, YUY2, AYUV }"))
- );
-
-GST_BOILERPLATE (GstSchroDec, gst_schro_dec, GstBaseVideoDecoder,
- GST_TYPE_BASE_VIDEO_DECODER);
-
-static void
-gst_schro_dec_base_init (gpointer g_class)
-{
- static GstElementDetails compress_details =
- GST_ELEMENT_DETAILS ("Dirac Decoder",
- "Codec/Decoder/Video",
- "Decode Dirac streams",
- "David Schleef <ds@schleef.org>");
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_schro_dec_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_schro_dec_sink_template));
-
- gst_element_class_set_details (element_class, &compress_details);
-}
-
-static void
-gst_schro_dec_class_init (GstSchroDecClass * klass)
-{
- GObjectClass *gobject_class;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstElementClass *element_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- element_class = GST_ELEMENT_CLASS (klass);
- base_video_decoder_class = GST_BASE_VIDEO_DECODER_CLASS (klass);
-
- gobject_class->set_property = gst_schro_dec_set_property;
- gobject_class->get_property = gst_schro_dec_get_property;
- gobject_class->finalize = gst_schro_dec_finalize;
-
- base_video_decoder_class->start = GST_DEBUG_FUNCPTR (gst_schro_dec_start);
- base_video_decoder_class->stop = GST_DEBUG_FUNCPTR (gst_schro_dec_stop);
- base_video_decoder_class->reset = GST_DEBUG_FUNCPTR (gst_schro_dec_reset);
- base_video_decoder_class->parse_data =
- GST_DEBUG_FUNCPTR (gst_schro_dec_parse_data);
- base_video_decoder_class->scan_for_sync =
- GST_DEBUG_FUNCPTR (gst_schro_dec_scan_for_sync);
- base_video_decoder_class->handle_frame =
- GST_DEBUG_FUNCPTR (gst_schro_dec_handle_frame);
- base_video_decoder_class->finish = GST_DEBUG_FUNCPTR (gst_schro_dec_finish);
-}
-
-static void
-gst_schro_dec_init (GstSchroDec * schro_dec, GstSchroDecClass * klass)
-{
- GST_DEBUG ("gst_schro_dec_init");
-
- gst_pad_set_query_function (GST_BASE_VIDEO_CODEC_SINK_PAD (schro_dec),
- gst_schro_dec_sink_query);
-
- schro_dec->decoder = schro_decoder_new ();
-}
-
-#define OGG_DIRAC_GRANULE_SHIFT 22
-#define OGG_DIRAC_GRANULE_LOW_MASK ((1ULL<<OGG_DIRAC_GRANULE_SHIFT)-1)
-
-static gint64
-granulepos_to_frame (gint64 granulepos)
-{
- guint64 pt;
- int dist_h;
- int dist_l;
- int dist;
- int delay;
- guint64 dt;
-
- if (granulepos == -1)
- return -1;
-
- pt = ((granulepos >> 22) + (granulepos & OGG_DIRAC_GRANULE_LOW_MASK)) >> 9;
- dist_h = (granulepos >> 22) & 0xff;
- dist_l = granulepos & 0xff;
- dist = (dist_h << 8) | dist_l;
- delay = (granulepos >> 9) & 0x1fff;
- dt = pt - delay;
-
- return pt >> 1;
-}
-
-static gboolean
-gst_schro_dec_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstSchroDec *dec;
- GstVideoState *state;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_SCHRO_DEC (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
-
- state = gst_base_video_decoder_get_state (GST_BASE_VIDEO_DECODER (dec));
-
- res = FALSE;
- if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
- if (state->fps_d != 0) {
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- state->fps_d * GST_SECOND, state->fps_n);
- res = TRUE;
- } else {
- res = FALSE;
- }
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-
-static gboolean
-gst_schro_dec_sink_query (GstPad * pad, GstQuery * query)
-{
- GstSchroDec *dec;
- gboolean res = FALSE;
-
- dec = GST_SCHRO_DEC (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_schro_dec_sink_convert (pad, src_fmt, src_val, &dest_fmt,
- &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (dec);
-
- return res;
-error:
- GST_DEBUG_OBJECT (dec, "query failed");
- goto done;
-}
-
-static gboolean
-gst_schro_dec_start (GstBaseVideoDecoder * dec)
-{
- if (dec->codec_data) {
- GST_DEBUG_OBJECT (dec, "codec data!");
- }
-
- return TRUE;
-}
-
-static gboolean
-gst_schro_dec_stop (GstBaseVideoDecoder * dec)
-{
-
- return TRUE;
-}
-
-static gboolean
-gst_schro_dec_reset (GstBaseVideoDecoder * dec)
-{
- GstSchroDec *schro_dec;
-
- schro_dec = GST_SCHRO_DEC (dec);
-
- GST_DEBUG ("reset");
-
- if (schro_dec->decoder) {
- schro_decoder_reset (schro_dec->decoder);
- }
-
- return TRUE;
-}
-
-static void
-gst_schro_dec_finalize (GObject * object)
-{
- GstSchroDec *schro_dec;
-
- g_return_if_fail (GST_IS_SCHRO_DEC (object));
- schro_dec = GST_SCHRO_DEC (object);
-
- if (schro_dec->decoder) {
- schro_decoder_free (schro_dec->decoder);
- schro_dec->decoder = NULL;
- }
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static void
-gst_schro_dec_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstSchroDec *src;
-
- g_return_if_fail (GST_IS_SCHRO_DEC (object));
- src = GST_SCHRO_DEC (object);
-
- GST_DEBUG ("gst_schro_dec_set_property");
- switch (prop_id) {
- default:
- break;
- }
-}
-
-static void
-gst_schro_dec_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstSchroDec *src;
-
- g_return_if_fail (GST_IS_SCHRO_DEC (object));
- src = GST_SCHRO_DEC (object);
-
- switch (prop_id) {
- default:
- G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
- break;
- }
-}
-
-static void
-parse_sequence_header (GstSchroDec * schro_dec, guint8 * data, int size)
-{
- SchroVideoFormat video_format;
- int ret;
- GstVideoState *state;
-
- GST_DEBUG_OBJECT (schro_dec, "parse_sequence_header size=%d", size);
-
- state = gst_base_video_decoder_get_state (GST_BASE_VIDEO_DECODER (schro_dec));
-
- schro_dec->seq_header_buffer = gst_buffer_new_and_alloc (size);
- memcpy (GST_BUFFER_DATA (schro_dec->seq_header_buffer), data, size);
-
- ret = schro_parse_decode_sequence_header (data + 13, size - 13,
- &video_format);
- if (ret) {
- if (video_format.chroma_format == SCHRO_CHROMA_444) {
- state->format = GST_VIDEO_FORMAT_AYUV;
- } else if (video_format.chroma_format == SCHRO_CHROMA_422) {
- state->format = GST_VIDEO_FORMAT_YUY2;
- } else if (video_format.chroma_format == SCHRO_CHROMA_420) {
- state->format = GST_VIDEO_FORMAT_I420;
- }
- state->fps_n = video_format.frame_rate_numerator;
- state->fps_d = video_format.frame_rate_denominator;
- GST_DEBUG_OBJECT (schro_dec, "Frame rate is %d/%d", state->fps_n,
- state->fps_d);
-
- state->width = video_format.width;
- state->height = video_format.height;
- GST_DEBUG ("Frame dimensions are %d x %d\n", state->width, state->height);
-
- state->clean_width = video_format.clean_width;
- state->clean_height = video_format.clean_height;
- state->clean_offset_left = video_format.left_offset;
- state->clean_offset_top = video_format.top_offset;
-
- state->par_n = video_format.aspect_ratio_numerator;
- state->par_d = video_format.aspect_ratio_denominator;
- GST_DEBUG ("Pixel aspect ratio is %d/%d", state->par_n, state->par_d);
-
- /* FIXME state points to what is actually in the decoder */
- //gst_base_video_decoder_set_state (GST_BASE_VIDEO_DECODER (schro_dec),
- // state);
- } else {
- GST_WARNING ("Failed to get frame rate from sequence header");
- }
-
- gst_schrodec_send_tags (schro_dec);
-}
-
-
-static GstFlowReturn
-gst_schro_dec_parse_data (GstBaseVideoDecoder * base_video_decoder,
- gboolean at_eos)
-{
- GstSchroDec *schro_decoder;
- unsigned char header[SCHRO_PARSE_HEADER_SIZE];
- int next;
- int prev;
- int parse_code;
-
- GST_DEBUG_OBJECT (base_video_decoder, "parse_data");
-
- schro_decoder = GST_SCHRO_DEC (base_video_decoder);
-
- if (gst_adapter_available (base_video_decoder->input_adapter) <
- SCHRO_PARSE_HEADER_SIZE) {
- return GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA;
- }
-
- GST_DEBUG ("available %d",
- gst_adapter_available (base_video_decoder->input_adapter));
-
- gst_adapter_copy (base_video_decoder->input_adapter, header, 0,
- SCHRO_PARSE_HEADER_SIZE);
-
- parse_code = header[4];
- next = GST_READ_UINT32_BE (header + 5);
- prev = GST_READ_UINT32_BE (header + 9);
-
- GST_DEBUG ("%08x %02x %08x %08x",
- GST_READ_UINT32_BE (header), parse_code, next, prev);
-
- if (memcmp (header, "BBCD", 4) != 0 ||
- (next & 0xf0000000) || (prev & 0xf0000000)) {
- gst_base_video_decoder_lost_sync (base_video_decoder);
- return GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA;
- }
-
- if (SCHRO_PARSE_CODE_IS_END_OF_SEQUENCE (parse_code)) {
- GstVideoFrame *frame;
-
- if (next != 0 && next != SCHRO_PARSE_HEADER_SIZE) {
- GST_WARNING ("next is not 0 or 13 in EOS packet (%d)", next);
- }
-
- gst_base_video_decoder_add_to_frame (base_video_decoder,
- SCHRO_PARSE_HEADER_SIZE);
-
- frame = base_video_decoder->current_frame;
- frame->is_eos = TRUE;
-
- SCHRO_DEBUG ("eos");
-
- return gst_base_video_decoder_have_frame (base_video_decoder);
- }
-
- if (gst_adapter_available (base_video_decoder->input_adapter) < next) {
- return GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA;
- }
-
- if (SCHRO_PARSE_CODE_IS_SEQ_HEADER (parse_code)) {
- guint8 *data;
-
- data = g_malloc (next);
-
- gst_adapter_copy (base_video_decoder->input_adapter, data, 0, next);
- parse_sequence_header (schro_decoder, data, next);
-
- gst_base_video_decoder_set_sync_point (base_video_decoder);
-
- if (GST_CLOCK_TIME_IS_VALID (base_video_decoder->last_sink_timestamp)) {
- base_video_decoder->current_frame->presentation_timestamp =
- base_video_decoder->last_sink_timestamp;
- GST_DEBUG ("got timestamp %lld", base_video_decoder->last_sink_timestamp);
- } else if (base_video_decoder->last_sink_offset_end != -1) {
- GstVideoState *state;
-
-#if 0
- /* FIXME perhaps should use this to determine if the granulepos
- * is valid */
- {
- guint64 pt;
- int dist_h;
- int dist_l;
- int dist;
- int delay;
- guint64 dt;
- gint64 granulepos = base_video_decoder->last_sink_offset_end;
-
- pt = ((granulepos >> 22) +
- (granulepos & OGG_DIRAC_GRANULE_LOW_MASK)) >> 9;
- dist_h = (granulepos >> 22) & 0xff;
- dist_l = granulepos & 0xff;
- dist = (dist_h << 8) | dist_l;
- delay = (granulepos >> 9) & 0x1fff;
- dt = pt - delay;
- GST_DEBUG ("gp pt %lld dist %d delay %d dt %lld", pt, dist, delay, dt);
- }
-#endif
- state =
- gst_base_video_decoder_get_state (GST_BASE_VIDEO_DECODER
- (schro_decoder));
- base_video_decoder->current_frame->presentation_timestamp =
- gst_util_uint64_scale (granulepos_to_frame
- (base_video_decoder->last_sink_offset_end), state->fps_d * GST_SECOND,
- state->fps_n);
- } else {
- base_video_decoder->current_frame->presentation_timestamp = -1;
- }
-
- g_free (data);
- }
-
- if (schro_decoder->seq_header_buffer == NULL) {
- gst_adapter_flush (base_video_decoder->input_adapter, next);
- return GST_FLOW_OK;
- }
-
- if (SCHRO_PARSE_CODE_IS_PICTURE (parse_code)) {
- GstVideoFrame *frame;
- guint8 tmp[4];
-
- frame = base_video_decoder->current_frame;
-
- gst_adapter_copy (base_video_decoder->input_adapter, tmp,
- SCHRO_PARSE_HEADER_SIZE, 4);
-
- frame->presentation_frame_number = GST_READ_UINT32_BE (tmp);
-
- gst_base_video_decoder_add_to_frame (base_video_decoder, next);
-
- return gst_base_video_decoder_have_frame (base_video_decoder);
- } else {
- gst_base_video_decoder_add_to_frame (base_video_decoder, next);
- }
-
- return GST_FLOW_OK;
-}
-
-static int
-gst_schro_dec_scan_for_sync (GstBaseVideoDecoder * base_video_decoder,
- gboolean at_eos, int offset, int n)
-{
- GstAdapter *adapter = base_video_decoder->input_adapter;
- int n_available;
-
- n_available = gst_adapter_available (adapter) - offset;
-
- if (n_available < 4) {
- if (at_eos) {
- return n_available;
- } else {
- return 0;
- }
- }
-
- n_available -= 3;
-
- return gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x42424344,
- offset, MIN (n, n_available - 3));
-}
-
-
-static void
-gst_schrodec_send_tags (GstSchroDec * schro_dec)
-{
- GstTagList *list;
-
- list = gst_tag_list_new ();
- gst_tag_list_add (list, GST_TAG_MERGE_REPLACE,
- GST_TAG_VIDEO_CODEC, "Dirac", NULL);
-
- gst_element_found_tags_for_pad (GST_ELEMENT_CAST (schro_dec),
- GST_BASE_VIDEO_CODEC_SRC_PAD (schro_dec), list);
-}
-
-static GstFlowReturn
-gst_schro_dec_process (GstSchroDec * schro_dec, gboolean eos)
-{
- gboolean go;
- GstFlowReturn ret;
-
- ret = GST_FLOW_OK;
- go = TRUE;
- while (go) {
- int it;
-
- it = schro_decoder_autoparse_wait (schro_dec->decoder);
-
- switch (it) {
- case SCHRO_DECODER_FIRST_ACCESS_UNIT:
- break;
- case SCHRO_DECODER_NEED_BITS:
- GST_DEBUG ("need bits");
- go = 0;
- break;
- case SCHRO_DECODER_NEED_FRAME:
- {
- GstBuffer *outbuf;
- GstVideoState *state;
- SchroFrame *schro_frame;
- GstFlowReturn flow_ret;
- int size;
-
- GST_DEBUG ("need frame");
-
- state =
- gst_base_video_decoder_get_state (GST_BASE_VIDEO_DECODER
- (schro_dec));
- size =
- gst_video_format_get_size (state->format, state->width,
- state->height);
- flow_ret =
- gst_pad_alloc_buffer_and_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD
- (schro_dec), GST_BUFFER_OFFSET_NONE, size,
- GST_PAD_CAPS (GST_BASE_VIDEO_CODEC_SRC_PAD (schro_dec)), &outbuf);
- if (flow_ret != GST_FLOW_OK) {
- go = FALSE;
- ret = flow_ret;
- break;
- }
- schro_frame = gst_schro_buffer_wrap (outbuf,
- state->format, state->width, state->height);
- schro_decoder_add_output_picture (schro_dec->decoder, schro_frame);
- break;
- }
- case SCHRO_DECODER_OK:
- {
- SchroFrame *schro_frame;
- SchroTag *tag;
- GstVideoFrame *frame;
-
- GST_DEBUG ("got frame");
-
- tag = schro_decoder_get_picture_tag (schro_dec->decoder);
- schro_frame = schro_decoder_pull (schro_dec->decoder);
- frame = tag->value;
-
- if (schro_frame) {
- if (schro_frame->priv) {
- GstFlowReturn flow_ret;
-
- frame->src_buffer = gst_buffer_ref (GST_BUFFER (schro_frame->priv));
-
- flow_ret =
- gst_base_video_decoder_finish_frame (GST_BASE_VIDEO_DECODER
- (schro_dec), frame);
- if (flow_ret != GST_FLOW_OK) {
- GST_DEBUG ("finish frame returned %d", flow_ret);
- return flow_ret;
- }
- } else {
- GST_DEBUG ("skipped frame");
- }
-
- schro_frame_unref (schro_frame);
- }
- if (!eos) {
- go = FALSE;
- }
- }
-
- break;
- case SCHRO_DECODER_EOS:
- GST_DEBUG ("eos");
- go = FALSE;
- break;
- case SCHRO_DECODER_ERROR:
- go = FALSE;
- GST_DEBUG ("codec error");
- ret = GST_FLOW_ERROR;
- break;
- }
- }
- return ret;
-}
-
-GstFlowReturn
-gst_schro_dec_handle_frame (GstBaseVideoDecoder * base_video_decoder,
- GstVideoFrame * frame)
-{
- GstSchroDec *schro_dec;
- int schro_ret;
- SchroBuffer *input_buffer;
- GstVideoState *state;
-
- schro_dec = GST_SCHRO_DEC (base_video_decoder);
-
- GST_DEBUG ("handle frame");
-
- state = gst_base_video_decoder_get_state (base_video_decoder);
-
- gst_base_video_decoder_set_src_caps (base_video_decoder);
-
- input_buffer = gst_schro_wrap_gst_buffer (frame->sink_buffer);
- frame->sink_buffer = NULL;
-
- input_buffer->tag = schro_tag_new (frame, NULL);
-
- schro_ret = schro_decoder_autoparse_push (schro_dec->decoder, input_buffer);
-
- return gst_schro_dec_process (schro_dec, FALSE);
-}
-
-GstFlowReturn
-gst_schro_dec_finish (GstBaseVideoDecoder * base_video_decoder,
- GstVideoFrame * frame)
-{
- GstSchroDec *schro_dec;
-
- schro_dec = GST_SCHRO_DEC (base_video_decoder);
-
- GST_DEBUG ("finish");
-
- gst_base_video_decoder_set_src_caps (base_video_decoder);
-
- schro_decoder_autoparse_push_end_of_sequence (schro_dec->decoder);
-
- return gst_schro_dec_process (schro_dec, TRUE);
-}
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2006 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <gst/video/gstbasevideoencoder.h>
-#include <string.h>
-
-#include <schroedinger/schro.h>
-#include <schroedinger/schrobitstream.h>
-#include <schroedinger/schrovirtframe.h>
-#include <math.h>
-#include "gstschroutils.h"
-
-GST_DEBUG_CATEGORY_EXTERN (schro_debug);
-#define GST_CAT_DEFAULT schro_debug
-
-#define GST_TYPE_SCHRO_ENC \
- (gst_schro_enc_get_type())
-#define GST_SCHRO_ENC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SCHRO_ENC,GstSchroEnc))
-#define GST_SCHRO_ENC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SCHRO_ENC,GstSchroEncClass))
-#define GST_IS_SCHRO_ENC(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SCHRO_ENC))
-#define GST_IS_SCHRO_ENC_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SCHRO_ENC))
-
-typedef struct _GstSchroEnc GstSchroEnc;
-typedef struct _GstSchroEncClass GstSchroEncClass;
-
-typedef enum
-{
- GST_SCHRO_ENC_OUTPUT_OGG,
- GST_SCHRO_ENC_OUTPUT_QUICKTIME,
- GST_SCHRO_ENC_OUTPUT_AVI,
- GST_SCHRO_ENC_OUTPUT_MPEG_TS,
- GST_SCHRO_ENC_OUTPUT_MP4
-} GstSchroEncOutputType;
-
-struct _GstSchroEnc
-{
- GstBaseVideoEncoder base_encoder;
-
- GstPad *sinkpad;
- GstPad *srcpad;
-
- /* video properties */
- GstSchroEncOutputType output_format;
-
- /* state */
- SchroEncoder *encoder;
- SchroVideoFormat *video_format;
- GstVideoFrame *eos_frame;
- GstBuffer *seq_header_buffer;
-
- guint64 last_granulepos;
-};
-
-struct _GstSchroEncClass
-{
- GstBaseVideoEncoderClass parent_class;
-};
-
-
-
-enum
-{
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
-};
-
-static void gst_schro_enc_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec);
-static void gst_schro_enc_get_property (GObject * object, guint prop_id,
- GValue * value, GParamSpec * pspec);
-
-static GstFlowReturn gst_schro_enc_process (GstSchroEnc * schro_enc);
-
-static gboolean gst_schro_enc_set_format (GstBaseVideoEncoder *
- base_video_encoder, GstVideoState * state);
-static gboolean gst_schro_enc_start (GstBaseVideoEncoder * base_video_encoder);
-static gboolean gst_schro_enc_stop (GstBaseVideoEncoder * base_video_encoder);
-static gboolean gst_schro_enc_finish (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame);
-static gboolean gst_schro_enc_handle_frame (GstBaseVideoEncoder *
- base_video_encoder, GstVideoFrame * frame);
-static GstFlowReturn gst_schro_enc_shape_output (GstBaseVideoEncoder *
- base_video_encoder, GstVideoFrame * frame);
-static GstCaps *gst_schro_enc_get_caps (GstBaseVideoEncoder *
- base_video_encoder);
-
-static GstStaticPadTemplate gst_schro_enc_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS (GST_VIDEO_CAPS_YUV ("{ I420, YV12, YUY2, UYVY, AYUV }"))
- );
-
-static GstStaticPadTemplate gst_schro_enc_src_template =
- GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-dirac;video/x-qt-part;video/x-mp4-part")
- );
-
-GST_BOILERPLATE (GstSchroEnc, gst_schro_enc, GstBaseVideoEncoder,
- GST_TYPE_BASE_VIDEO_ENCODER);
-
-static void
-gst_schro_enc_base_init (gpointer g_class)
-{
- static GstElementDetails schro_enc_details =
- GST_ELEMENT_DETAILS ("Dirac Encoder",
- "Codec/Encoder/Video",
- "Encode raw video into Dirac stream",
- "David Schleef <ds@schleef.org>");
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_schro_enc_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_schro_enc_sink_template));
-
- gst_element_class_set_details (element_class, &schro_enc_details);
-}
-
-static void
-gst_schro_enc_class_init (GstSchroEncClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
- GstBaseVideoEncoderClass *basevideocoder_class;
- int i;
-
- gobject_class = G_OBJECT_CLASS (klass);
- gstelement_class = GST_ELEMENT_CLASS (klass);
- basevideocoder_class = GST_BASE_VIDEO_ENCODER_CLASS (klass);
-
- gobject_class->set_property = gst_schro_enc_set_property;
- gobject_class->get_property = gst_schro_enc_get_property;
-
- for (i = 0; i < schro_encoder_get_n_settings (); i++) {
- const SchroEncoderSetting *setting;
-
- setting = schro_encoder_get_setting_info (i);
-
- switch (setting->type) {
- case SCHRO_ENCODER_SETTING_TYPE_BOOLEAN:
- g_object_class_install_property (gobject_class, i + 1,
- g_param_spec_boolean (setting->name, setting->name, setting->name,
- setting->default_value, G_PARAM_READWRITE));
- break;
- case SCHRO_ENCODER_SETTING_TYPE_INT:
- g_object_class_install_property (gobject_class, i + 1,
- g_param_spec_int (setting->name, setting->name, setting->name,
- setting->min, setting->max, setting->default_value,
- G_PARAM_READWRITE));
- break;
- case SCHRO_ENCODER_SETTING_TYPE_ENUM:
- g_object_class_install_property (gobject_class, i + 1,
- g_param_spec_int (setting->name, setting->name, setting->name,
- setting->min, setting->max, setting->default_value,
- G_PARAM_READWRITE));
- break;
- case SCHRO_ENCODER_SETTING_TYPE_DOUBLE:
- g_object_class_install_property (gobject_class, i + 1,
- g_param_spec_double (setting->name, setting->name, setting->name,
- setting->min, setting->max, setting->default_value,
- G_PARAM_READWRITE));
- break;
- default:
- break;
- }
- }
-
- basevideocoder_class->set_format =
- GST_DEBUG_FUNCPTR (gst_schro_enc_set_format);
- basevideocoder_class->start = GST_DEBUG_FUNCPTR (gst_schro_enc_start);
- basevideocoder_class->stop = GST_DEBUG_FUNCPTR (gst_schro_enc_stop);
- basevideocoder_class->finish = GST_DEBUG_FUNCPTR (gst_schro_enc_finish);
- basevideocoder_class->handle_frame =
- GST_DEBUG_FUNCPTR (gst_schro_enc_handle_frame);
- basevideocoder_class->shape_output =
- GST_DEBUG_FUNCPTR (gst_schro_enc_shape_output);
- basevideocoder_class->get_caps = GST_DEBUG_FUNCPTR (gst_schro_enc_get_caps);
-}
-
-static void
-gst_schro_enc_init (GstSchroEnc * schro_enc, GstSchroEncClass * klass)
-{
- GST_DEBUG ("gst_schro_enc_init");
-
- /* Normally, we'd create the encoder in ->start(), but we use the
- * encoder to store object properties. So it needs to be created
- * here. */
- schro_enc->encoder = schro_encoder_new ();
- schro_encoder_set_packet_assembly (schro_enc->encoder, TRUE);
- schro_enc->video_format = schro_encoder_get_video_format (schro_enc->encoder);
-}
-
-
-
-static gboolean
-gst_schro_enc_set_format (GstBaseVideoEncoder * base_video_encoder,
- GstVideoState * state)
-{
- GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder);
-
- schro_video_format_set_std_video_format (schro_enc->video_format,
- SCHRO_VIDEO_FORMAT_CUSTOM);
-
- switch (state->format) {
- case GST_VIDEO_FORMAT_I420:
- case GST_VIDEO_FORMAT_YV12:
- schro_enc->video_format->chroma_format = SCHRO_CHROMA_420;
- break;
- case GST_VIDEO_FORMAT_YUY2:
- case GST_VIDEO_FORMAT_UYVY:
- schro_enc->video_format->chroma_format = SCHRO_CHROMA_422;
- break;
- case GST_VIDEO_FORMAT_AYUV:
- schro_enc->video_format->chroma_format = SCHRO_CHROMA_444;
- break;
- case GST_VIDEO_FORMAT_ARGB:
- schro_enc->video_format->chroma_format = SCHRO_CHROMA_420;
- break;
- default:
- g_assert_not_reached ();
- }
-
- schro_enc->video_format->frame_rate_numerator = state->fps_n;
- schro_enc->video_format->frame_rate_denominator = state->fps_d;
-
- schro_enc->video_format->width = state->width;
- schro_enc->video_format->height = state->height;
- schro_enc->video_format->clean_width = state->clean_width;
- schro_enc->video_format->clean_height = state->clean_height;
- schro_enc->video_format->left_offset = state->clean_offset_left;
- schro_enc->video_format->top_offset = state->clean_offset_top;
-
- schro_enc->video_format->aspect_ratio_numerator = state->par_n;
- schro_enc->video_format->aspect_ratio_denominator = state->par_d;
-
- schro_video_format_set_std_signal_range (schro_enc->video_format,
- SCHRO_SIGNAL_RANGE_8BIT_VIDEO);
- schro_video_format_set_std_colour_spec (schro_enc->video_format,
- SCHRO_COLOUR_SPEC_HDTV);
-
- schro_encoder_set_video_format (schro_enc->encoder, schro_enc->video_format);
- schro_encoder_start (schro_enc->encoder);
-
- schro_enc->seq_header_buffer =
- gst_schro_wrap_schro_buffer (schro_encoder_encode_sequence_header
- (schro_enc->encoder));
-
- return TRUE;
-}
-
-static void
-gst_schro_enc_set_property (GObject * object, guint prop_id,
- const GValue * value, GParamSpec * pspec)
-{
- GstSchroEnc *src;
-
- g_return_if_fail (GST_IS_SCHRO_ENC (object));
- src = GST_SCHRO_ENC (object);
-
- GST_DEBUG ("gst_schro_enc_set_property");
-
- if (prop_id >= 1) {
- const SchroEncoderSetting *setting;
- setting = schro_encoder_get_setting_info (prop_id - 1);
- switch (G_VALUE_TYPE (value)) {
- case G_TYPE_DOUBLE:
- schro_encoder_setting_set_double (src->encoder, setting->name,
- g_value_get_double (value));
- break;
- case G_TYPE_INT:
- schro_encoder_setting_set_double (src->encoder, setting->name,
- g_value_get_int (value));
- break;
- case G_TYPE_BOOLEAN:
- schro_encoder_setting_set_double (src->encoder, setting->name,
- g_value_get_boolean (value));
- break;
- }
- }
-}
-
-static void
-gst_schro_enc_get_property (GObject * object, guint prop_id, GValue * value,
- GParamSpec * pspec)
-{
- GstSchroEnc *src;
-
- g_return_if_fail (GST_IS_SCHRO_ENC (object));
- src = GST_SCHRO_ENC (object);
-
- if (prop_id >= 1) {
- const SchroEncoderSetting *setting;
- setting = schro_encoder_get_setting_info (prop_id - 1);
- switch (G_VALUE_TYPE (value)) {
- case G_TYPE_DOUBLE:
- g_value_set_double (value,
- schro_encoder_setting_get_double (src->encoder, setting->name));
- break;
- case G_TYPE_INT:
- g_value_set_int (value,
- schro_encoder_setting_get_double (src->encoder, setting->name));
- break;
- case G_TYPE_BOOLEAN:
- g_value_set_boolean (value,
- schro_encoder_setting_get_double (src->encoder, setting->name));
- break;
- }
- }
-}
-
-/*
- * start is called once the input format is known. This function
- * must decide on an output format and negotiate it.
- */
-static gboolean
-gst_schro_enc_start (GstBaseVideoEncoder * base_video_encoder)
-{
- GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder);
- GstCaps *caps;
- GstStructure *structure;
-
- GST_DEBUG ("set_output_caps");
- caps =
- gst_pad_get_allowed_caps (GST_BASE_VIDEO_CODEC_SRC_PAD
- (base_video_encoder));
-
- if (gst_caps_is_empty (caps)) {
- gst_caps_unref (caps);
- return FALSE;
- }
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (gst_structure_has_name (structure, "video/x-dirac")) {
- schro_enc->output_format = GST_SCHRO_ENC_OUTPUT_OGG;
- } else if (gst_structure_has_name (structure, "video/x-qt-part")) {
- schro_enc->output_format = GST_SCHRO_ENC_OUTPUT_QUICKTIME;
- } else if (gst_structure_has_name (structure, "video/x-avi-part")) {
- schro_enc->output_format = GST_SCHRO_ENC_OUTPUT_AVI;
- } else if (gst_structure_has_name (structure, "video/x-mp4-part")) {
- schro_enc->output_format = GST_SCHRO_ENC_OUTPUT_MP4;
- } else {
- return FALSE;
- }
-
- gst_base_video_encoder_set_latency_fields (base_video_encoder,
- 2 * (int) schro_encoder_setting_get_double (schro_enc->encoder,
- "queue_depth"));
-
- gst_caps_unref (caps);
- return TRUE;
-}
-
-static gboolean
-gst_schro_enc_stop (GstBaseVideoEncoder * base_video_encoder)
-{
- GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder);
-
- if (schro_enc->encoder) {
- schro_encoder_free (schro_enc->encoder);
- schro_enc->encoder = NULL;
- }
-
- return TRUE;
-}
-
-static gboolean
-gst_schro_enc_finish (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame)
-{
- GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder);
-
- GST_DEBUG ("finish");
-
- schro_enc->eos_frame = frame;
-
- schro_encoder_end_of_stream (schro_enc->encoder);
- gst_schro_enc_process (schro_enc);
-
- return TRUE;
-}
-
-static gboolean
-gst_schro_enc_handle_frame (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame)
-{
- GstSchroEnc *schro_enc = GST_SCHRO_ENC (base_video_encoder);
- SchroFrame *schro_frame;
- GstFlowReturn ret;
- const GstVideoState *state;
-
- state = gst_base_video_encoder_get_state (base_video_encoder);
-
- schro_frame = gst_schro_buffer_wrap (frame->sink_buffer,
- state->format, state->width, state->height);
-
- GST_DEBUG ("pushing frame %p", frame);
- schro_encoder_push_frame_full (schro_enc->encoder, schro_frame, frame);
-
- ret = gst_schro_enc_process (schro_enc);
-
- return ret;
-}
-
-#if 0
-static void
-gst_caps_add_streamheader (GstCaps * caps, GList * list)
-{
- GValue array = { 0 };
- GValue value = { 0 };
- GstBuffer *buf;
- GList *g;
-
- g_value_init (&array, GST_TYPE_ARRAY);
-
- for (g = g_list_first (list); g; g = g_list_next (list)) {
- g_value_init (&value, GST_TYPE_BUFFER);
- buf = gst_buffer_copy (GST_BUFFER (g->data));
- gst_value_set_buffer (&value, buf);
- gst_buffer_unref (buf);
- gst_value_array_append_value (&array, &value);
- g_value_unset (&value);
- }
- gst_structure_set_value (gst_caps_get_structure (caps, 0),
- "streamheader", &array);
- g_value_unset (&array);
-}
-#endif
-
-static GstCaps *
-gst_schro_enc_get_caps (GstBaseVideoEncoder * base_video_encoder)
-{
- GstCaps *caps;
- const GstVideoState *state;
- GstSchroEnc *schro_enc;
-
- schro_enc = GST_SCHRO_ENC (base_video_encoder);
-
- state = gst_base_video_encoder_get_state (base_video_encoder);
-
- if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_OGG) {
- caps = gst_caps_new_simple ("video/x-dirac",
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
-
- GST_BUFFER_FLAG_SET (schro_enc->seq_header_buffer, GST_BUFFER_FLAG_IN_CAPS);
-
- {
- GValue array = { 0 };
- GValue value = { 0 };
- GstBuffer *buf;
- int size;
-
- g_value_init (&array, GST_TYPE_ARRAY);
- g_value_init (&value, GST_TYPE_BUFFER);
- size = GST_BUFFER_SIZE (schro_enc->seq_header_buffer);
- buf = gst_buffer_new_and_alloc (size + SCHRO_PARSE_HEADER_SIZE);
- memcpy (GST_BUFFER_DATA (buf),
- GST_BUFFER_DATA (schro_enc->seq_header_buffer), size);
- GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 0, 0x42424344);
- GST_WRITE_UINT8 (GST_BUFFER_DATA (buf) + size + 4,
- SCHRO_PARSE_CODE_END_OF_SEQUENCE);
- GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 5, 0);
- GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 9, size);
- gst_value_set_buffer (&value, buf);
- gst_buffer_unref (buf);
- gst_value_array_append_value (&array, &value);
- gst_structure_set_value (gst_caps_get_structure (caps, 0),
- "streamheader", &array);
- g_value_unset (&value);
- g_value_unset (&array);
- }
- } else if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_QUICKTIME) {
- caps = gst_caps_new_simple ("video/x-qt-part",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'),
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
- } else if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_AVI) {
- caps = gst_caps_new_simple ("video/x-avi-part",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'),
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
- } else if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_MPEG_TS) {
- caps = gst_caps_new_simple ("video/x-mpegts-part",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'),
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
- } else if (schro_enc->output_format == GST_SCHRO_ENC_OUTPUT_MP4) {
- caps = gst_caps_new_simple ("video/x-mp4-part",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'),
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
- } else {
- g_assert_not_reached ();
- }
-
- return caps;
-}
-
-
-
-
-static GstFlowReturn
-gst_schro_enc_shape_output_ogg (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame)
-{
- GstSchroEnc *schro_enc;
- int dpn;
- int delay;
- int dist;
- int pt;
- int dt;
- guint64 granulepos_hi;
- guint64 granulepos_low;
- GstBuffer *buf = frame->src_buffer;
-
- schro_enc = GST_SCHRO_ENC (base_video_encoder);
-
- dpn = frame->decode_frame_number;
-
- pt = frame->presentation_frame_number * 2;
- dt = frame->decode_frame_number * 2;
- delay = pt - dt;
- dist = frame->distance_from_sync;
-
- GST_DEBUG ("sys %d dpn %d pt %d dt %d delay %d dist %d",
- (int) frame->system_frame_number,
- (int) frame->decode_frame_number, pt, dt, delay, dist);
-
- granulepos_hi = (((uint64_t) pt - delay) << 9) | ((dist >> 8));
- granulepos_low = (delay << 9) | (dist & 0xff);
- GST_DEBUG ("granulepos %lld:%lld", granulepos_hi, granulepos_low);
-
- if (frame->is_eos) {
- GST_BUFFER_OFFSET_END (buf) = schro_enc->last_granulepos;
- } else {
- schro_enc->last_granulepos = (granulepos_hi << 22) | (granulepos_low);
- GST_BUFFER_OFFSET_END (buf) = schro_enc->last_granulepos;
- }
-
- gst_buffer_set_caps (buf, base_video_encoder->caps);
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf);
-}
-
-static GstFlowReturn
-gst_schro_enc_shape_output_quicktime (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame)
-{
- GstBuffer *buf = frame->src_buffer;
- const GstVideoState *state;
-
- state = gst_base_video_encoder_get_state (base_video_encoder);
-
- GST_BUFFER_TIMESTAMP (buf) = gst_video_state_get_timestamp (state,
- frame->presentation_frame_number);
- GST_BUFFER_DURATION (buf) = gst_video_state_get_timestamp (state,
- frame->presentation_frame_number + 1) - GST_BUFFER_TIMESTAMP (buf);
- GST_BUFFER_OFFSET_END (buf) = gst_video_state_get_timestamp (state,
- frame->system_frame_number);
- GST_BUFFER_OFFSET (buf) = GST_CLOCK_TIME_NONE;
-
- if (frame->is_sync_point &&
- frame->presentation_frame_number == frame->system_frame_number) {
- GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
- } else {
- GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
- }
-
- gst_buffer_set_caps (buf, base_video_encoder->caps);
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf);
-}
-
-static GstFlowReturn
-gst_schro_enc_shape_output_mp4 (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame)
-{
- GstBuffer *buf = frame->src_buffer;
- const GstVideoState *state;
-
- state = gst_base_video_encoder_get_state (base_video_encoder);
-
- GST_BUFFER_TIMESTAMP (buf) = gst_video_state_get_timestamp (state,
- frame->presentation_frame_number);
- GST_BUFFER_DURATION (buf) = gst_video_state_get_timestamp (state,
- frame->presentation_frame_number + 1) - GST_BUFFER_TIMESTAMP (buf);
- GST_BUFFER_OFFSET_END (buf) = gst_video_state_get_timestamp (state,
- frame->decode_frame_number);
- GST_BUFFER_OFFSET (buf) = GST_CLOCK_TIME_NONE;
-
- GST_BUFFER_OFFSET_END (buf) = gst_video_state_get_timestamp (state,
- frame->system_frame_number);
-
- if (frame->is_sync_point &&
- frame->presentation_frame_number == frame->system_frame_number) {
- GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
- } else {
- GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
- }
-
- gst_buffer_set_caps (buf, base_video_encoder->caps);
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), buf);
-}
-
-static GstFlowReturn
-gst_schro_enc_shape_output (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame)
-{
- GstSchroEnc *schro_enc;
-
- schro_enc = GST_SCHRO_ENC (base_video_encoder);
-
- switch (schro_enc->output_format) {
- case GST_SCHRO_ENC_OUTPUT_OGG:
- return gst_schro_enc_shape_output_ogg (base_video_encoder, frame);
- case GST_SCHRO_ENC_OUTPUT_QUICKTIME:
- return gst_schro_enc_shape_output_quicktime (base_video_encoder, frame);
- case GST_SCHRO_ENC_OUTPUT_MP4:
- return gst_schro_enc_shape_output_mp4 (base_video_encoder, frame);
- default:
- g_assert_not_reached ();
- break;
- }
-
- return GST_FLOW_ERROR;
-}
-
-static GstFlowReturn
-gst_schro_enc_process (GstSchroEnc * schro_enc)
-{
- SchroBuffer *encoded_buffer;
- GstVideoFrame *frame;
- GstFlowReturn ret;
- int presentation_frame;
- void *voidptr;
- GstBaseVideoEncoder *base_video_encoder = GST_BASE_VIDEO_ENCODER (schro_enc);
-
- GST_DEBUG ("process");
-
- while (1) {
- switch (schro_encoder_wait (schro_enc->encoder)) {
- case SCHRO_STATE_NEED_FRAME:
- return GST_FLOW_OK;
- case SCHRO_STATE_END_OF_STREAM:
- GST_DEBUG ("EOS");
- return GST_FLOW_OK;
- case SCHRO_STATE_HAVE_BUFFER:
- voidptr = NULL;
- encoded_buffer = schro_encoder_pull_full (schro_enc->encoder,
- &presentation_frame, &voidptr);
- frame = voidptr;
- if (encoded_buffer == NULL) {
- GST_DEBUG ("encoder_pull returned NULL");
- /* FIXME This shouldn't happen */
- return GST_FLOW_ERROR;
- }
-
- if (voidptr == NULL) {
- GST_DEBUG ("got eos");
- frame = schro_enc->eos_frame;
- }
-
- if (SCHRO_PARSE_CODE_IS_SEQ_HEADER (encoded_buffer->data[4])) {
- frame->is_sync_point = TRUE;
- }
-
- frame->src_buffer = gst_schro_wrap_schro_buffer (encoded_buffer);
-
- ret = gst_base_video_encoder_finish_frame (base_video_encoder, frame);
-
- if (ret != GST_FLOW_OK) {
- GST_DEBUG ("pad_push returned %d", ret);
- return ret;
- }
- break;
- case SCHRO_STATE_AGAIN:
- break;
- }
- }
- return GST_FLOW_OK;
-}
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2006 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include <gst/gst.h>
-#include <gst/base/gstadapter.h>
-#include <gst/video/video.h>
-#include <gst/video/gstbasevideoparse.h>
-#include <string.h>
-#include <schroedinger/schro.h>
-#include <liboil/liboil.h>
-#include <math.h>
-
-#include <schroedinger/schroparse.h>
-
-
-GST_DEBUG_CATEGORY_EXTERN (schro_debug);
-#define GST_CAT_DEFAULT schro_debug
-
-#define GST_TYPE_SCHRO_PARSE \
- (gst_schro_parse_get_type())
-#define GST_SCHRO_PARSE(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SCHRO_PARSE,GstSchroParse))
-#define GST_SCHRO_PARSE_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SCHRO_PARSE,GstSchroParseClass))
-#define GST_IS_SCHRO_PARSE(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SCHRO_PARSE))
-#define GST_IS_SCHRO_PARSE_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SCHRO_PARSE))
-
-typedef struct _GstSchroParse GstSchroParse;
-typedef struct _GstSchroParseClass GstSchroParseClass;
-
-typedef enum
-{
- GST_SCHRO_PARSE_OUTPUT_OGG,
- GST_SCHRO_PARSE_OUTPUT_QUICKTIME,
- GST_SCHRO_PARSE_OUTPUT_AVI,
- GST_SCHRO_PARSE_OUTPUT_MPEG_TS,
- GST_SCHRO_PARSE_OUTPUT_MP4
-} GstSchroParseOutputType;
-
-struct _GstSchroParse
-{
- GstBaseVideoParse base_video_parse;
-
- GstPad *sinkpad, *srcpad;
-
- GstSchroParseOutputType output_format;
-
- GstBuffer *seq_header_buffer;
-
- /* state */
-
-
- gboolean have_picture;
- int buf_picture_number;
- int seq_hdr_picture_number;
- int picture_number;
-
- guint64 last_granulepos;
-
- int bytes_per_picture;
-};
-
-struct _GstSchroParseClass
-{
- GstBaseVideoParseClass base_video_parse_class;
-};
-
-/* GstSchroParse signals and args */
-enum
-{
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
-};
-
-static void gst_schro_parse_finalize (GObject * object);
-
-static gboolean gst_schro_parse_start (GstBaseVideoParse * base_video_parse);
-static gboolean gst_schro_parse_stop (GstBaseVideoParse * base_video_parse);
-static gboolean gst_schro_parse_reset (GstBaseVideoParse * base_video_parse);
-static int gst_schro_parse_scan_for_sync (GstAdapter * adapter,
- gboolean at_eos, int offset, int n);
-static gboolean gst_schro_parse_parse_data (GstBaseVideoParse *
- base_video_parse, gboolean at_eos);
-static gboolean gst_schro_parse_shape_output (GstBaseVideoParse *
- base_video_parse, GstVideoFrame * frame);
-static GstCaps *gst_schro_parse_get_caps (GstBaseVideoParse * base_video_parse);
-
-
-
-static GstStaticPadTemplate gst_schro_parse_sink_template =
-GST_STATIC_PAD_TEMPLATE ("sink",
- GST_PAD_SINK,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS ("video/x-dirac")
- );
-
-static GstStaticPadTemplate gst_schro_parse_src_template =
- GST_STATIC_PAD_TEMPLATE ("src",
- GST_PAD_SRC,
- GST_PAD_ALWAYS,
- GST_STATIC_CAPS
- ("video/x-dirac;video/x-qt-part;video/x-avi-part;video/x-mp4-part")
- );
-
-GST_BOILERPLATE (GstSchroParse, gst_schro_parse, GstBaseVideoParse,
- GST_TYPE_BASE_VIDEO_PARSE);
-
-static void
-gst_schro_parse_base_init (gpointer g_class)
-{
- static GstElementDetails compress_details =
- GST_ELEMENT_DETAILS ("Dirac Parser",
- "Codec/Parser/Video",
- "Parse Dirac streams",
- "David Schleef <ds@schleef.org>");
- GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
-
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_schro_parse_src_template));
- gst_element_class_add_pad_template (element_class,
- gst_static_pad_template_get (&gst_schro_parse_sink_template));
-
- gst_element_class_set_details (element_class, &compress_details);
-}
-
-static void
-gst_schro_parse_class_init (GstSchroParseClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
- GstBaseVideoParseClass *base_video_parse_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- element_class = GST_ELEMENT_CLASS (klass);
- base_video_parse_class = GST_BASE_VIDEO_PARSE_CLASS (klass);
-
- gobject_class->finalize = gst_schro_parse_finalize;
-
- base_video_parse_class->start = GST_DEBUG_FUNCPTR (gst_schro_parse_start);
- base_video_parse_class->stop = GST_DEBUG_FUNCPTR (gst_schro_parse_stop);
- base_video_parse_class->reset = GST_DEBUG_FUNCPTR (gst_schro_parse_reset);
- base_video_parse_class->parse_data =
- GST_DEBUG_FUNCPTR (gst_schro_parse_parse_data);
- base_video_parse_class->shape_output =
- GST_DEBUG_FUNCPTR (gst_schro_parse_shape_output);
- base_video_parse_class->scan_for_sync =
- GST_DEBUG_FUNCPTR (gst_schro_parse_scan_for_sync);
- base_video_parse_class->get_caps =
- GST_DEBUG_FUNCPTR (gst_schro_parse_get_caps);
-
-}
-
-static void
-gst_schro_parse_init (GstSchroParse * schro_parse, GstSchroParseClass * klass)
-{
- GstBaseVideoParse *base_video_parse = GST_BASE_VIDEO_PARSE (schro_parse);
-
- GST_DEBUG ("gst_schro_parse_init");
-
- schro_parse->output_format = GST_SCHRO_PARSE_OUTPUT_OGG;
-
- base_video_parse->reorder_depth = 2;
-}
-
-static gboolean
-gst_schro_parse_reset (GstBaseVideoParse * base_video_parse)
-{
- GstSchroParse *schro_parse;
-
- schro_parse = GST_SCHRO_PARSE (base_video_parse);
-
- GST_DEBUG ("reset");
-
- return TRUE;
-}
-
-static void
-gst_schro_parse_finalize (GObject * object)
-{
- GstSchroParse *schro_parse;
-
- g_return_if_fail (GST_IS_SCHRO_PARSE (object));
- schro_parse = GST_SCHRO_PARSE (object);
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_schro_parse_start (GstBaseVideoParse * base_video_parse)
-{
- GstSchroParse *schro_parse = GST_SCHRO_PARSE (base_video_parse);
- GstCaps *caps;
- GstStructure *structure;
-
- GST_DEBUG ("start");
- caps =
- gst_pad_get_allowed_caps (GST_BASE_VIDEO_CODEC_SRC_PAD
- (base_video_parse));
-
- if (gst_caps_is_empty (caps)) {
- gst_caps_unref (caps);
- return FALSE;
- }
-
- structure = gst_caps_get_structure (caps, 0);
-
- if (gst_structure_has_name (structure, "video/x-dirac")) {
- schro_parse->output_format = GST_SCHRO_PARSE_OUTPUT_OGG;
- } else if (gst_structure_has_name (structure, "video/x-qt-part")) {
- schro_parse->output_format = GST_SCHRO_PARSE_OUTPUT_QUICKTIME;
- } else if (gst_structure_has_name (structure, "video/x-avi-part")) {
- schro_parse->output_format = GST_SCHRO_PARSE_OUTPUT_AVI;
- } else if (gst_structure_has_name (structure, "video/x-mpegts-part")) {
- schro_parse->output_format = GST_SCHRO_PARSE_OUTPUT_MPEG_TS;
- } else if (gst_structure_has_name (structure, "video/x-mp4-part")) {
- schro_parse->output_format = GST_SCHRO_PARSE_OUTPUT_MP4;
- } else {
- return FALSE;
- }
-
- gst_caps_unref (caps);
- return TRUE;
-}
-
-static gboolean
-gst_schro_parse_stop (GstBaseVideoParse * base_video_parse)
-{
- return TRUE;
-}
-
-static void
-parse_sequence_header (GstSchroParse * schro_parse, guint8 * data, int size)
-{
- SchroVideoFormat video_format;
- int ret;
- GstVideoState *state;
-
- GST_DEBUG ("parse_sequence_header size=%d", size);
-
- state = gst_base_video_parse_get_state (GST_BASE_VIDEO_PARSE (schro_parse));
-
- schro_parse->seq_header_buffer = gst_buffer_new_and_alloc (size);
- memcpy (GST_BUFFER_DATA (schro_parse->seq_header_buffer), data, size);
-
- ret = schro_parse_decode_sequence_header (data + 13, size - 13,
- &video_format);
- if (ret) {
- state->fps_n = video_format.frame_rate_numerator;
- state->fps_d = video_format.frame_rate_denominator;
- GST_DEBUG ("Frame rate is %d/%d", state->fps_n, state->fps_d);
-
- state->width = video_format.width;
- state->height = video_format.height;
- GST_DEBUG ("Frame dimensions are %d x %d\n", state->width, state->height);
-
- state->clean_width = video_format.clean_width;
- state->clean_height = video_format.clean_height;
- state->clean_offset_left = video_format.left_offset;
- state->clean_offset_top = video_format.top_offset;
-
- state->par_n = video_format.aspect_ratio_numerator;
- state->par_d = video_format.aspect_ratio_denominator;
- GST_DEBUG ("Pixel aspect ratio is %d/%d", state->par_n, state->par_d);
-
- gst_base_video_parse_set_state (GST_BASE_VIDEO_PARSE (schro_parse), state);
- } else {
- GST_WARNING ("Failed to get frame rate from sequence header");
- }
-
-}
-
-static int
-gst_schro_parse_scan_for_sync (GstAdapter * adapter, gboolean at_eos,
- int offset, int n)
-{
- int n_available = gst_adapter_available (adapter) - offset;
-
- if (n_available < 4) {
- if (at_eos) {
- return n_available;
- } else {
- return 0;
- }
- }
-
- n_available -= 3;
-
- return gst_adapter_masked_scan_uint32 (adapter, 0xffffffff, 0x42424344,
- offset, MIN (n, n_available - 3));
-}
-
-static GstFlowReturn
-gst_schro_parse_parse_data (GstBaseVideoParse * base_video_parse,
- gboolean at_eos)
-{
- GstSchroParse *schro_parse;
- unsigned char header[SCHRO_PARSE_HEADER_SIZE];
- int next;
- int prev;
- int parse_code;
-
- GST_DEBUG ("parse_data");
-
- schro_parse = GST_SCHRO_PARSE (base_video_parse);
-
- if (gst_adapter_available (base_video_parse->input_adapter) <
- SCHRO_PARSE_HEADER_SIZE) {
- return GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA;
- }
-
- GST_DEBUG ("available %d",
- gst_adapter_available (base_video_parse->input_adapter));
-
- gst_adapter_copy (base_video_parse->input_adapter, header, 0,
- SCHRO_PARSE_HEADER_SIZE);
-
- parse_code = header[4];
- next = GST_READ_UINT32_BE (header + 5);
- prev = GST_READ_UINT32_BE (header + 9);
-
- GST_DEBUG ("%08x %02x %08x %08x",
- GST_READ_UINT32_BE (header), parse_code, next, prev);
-
- if (memcmp (header, "BBCD", 4) != 0 ||
- (next & 0xf0000000) || (prev & 0xf0000000)) {
- gst_base_video_parse_lost_sync (base_video_parse);
- return GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA;
- }
-
- if (SCHRO_PARSE_CODE_IS_END_OF_SEQUENCE (parse_code)) {
- GstVideoFrame *frame;
-
- if (next != 0 && next != SCHRO_PARSE_HEADER_SIZE) {
- GST_WARNING ("next is not 0 or 13 in EOS packet (%d)", next);
- }
-
- gst_base_video_parse_add_to_frame (base_video_parse,
- SCHRO_PARSE_HEADER_SIZE);
-
- frame = gst_base_video_parse_get_frame (base_video_parse);
- frame->is_eos = TRUE;
-
- SCHRO_DEBUG ("eos");
-
- return gst_base_video_parse_finish_frame (base_video_parse);
- }
-
- if (gst_adapter_available (base_video_parse->input_adapter) < next) {
- return GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA;
- }
-
- if (SCHRO_PARSE_CODE_IS_SEQ_HEADER (parse_code)) {
- guint8 *data;
-
- data = g_malloc (next);
-
- gst_adapter_copy (base_video_parse->input_adapter, data, 0, next);
- parse_sequence_header (schro_parse, data, next);
-
- base_video_parse->current_frame->is_sync_point = TRUE;
-
- g_free (data);
- }
-
- if (schro_parse->seq_header_buffer == NULL) {
- gst_adapter_flush (base_video_parse->input_adapter, next);
- return GST_FLOW_OK;
- }
-
- if (SCHRO_PARSE_CODE_IS_PICTURE (parse_code)) {
- GstVideoFrame *frame;
- guint8 tmp[4];
-
- frame = gst_base_video_parse_get_frame (base_video_parse);
-
-#if 0
- if (GST_CLOCK_TIME_IS_VALID (GST_BUFFER_TIMESTAMP (buf))) {
- frame->presentation_timestamp = GST_BUFFER_TIMESTAMP (buf);
- }
-#endif
-
- gst_adapter_copy (base_video_parse->input_adapter, tmp,
- SCHRO_PARSE_HEADER_SIZE, 4);
-
- frame->presentation_frame_number = GST_READ_UINT32_BE (tmp);
-
- gst_base_video_parse_add_to_frame (base_video_parse, next);
-
- return gst_base_video_parse_finish_frame (base_video_parse);
- } else {
- gst_base_video_parse_add_to_frame (base_video_parse, next);
- }
-
- return GST_FLOW_OK;
-}
-
-static GstFlowReturn
-gst_schro_parse_shape_output_ogg (GstBaseVideoParse * base_video_parse,
- GstVideoFrame * frame)
-{
- GstSchroParse *schro_parse;
- int dpn;
- int delay;
- int dist;
- int pt;
- int dt;
- guint64 granulepos_hi;
- guint64 granulepos_low;
- GstBuffer *buf = frame->src_buffer;
-
- schro_parse = GST_SCHRO_PARSE (base_video_parse);
-
- dpn = frame->decode_frame_number;
-
- pt = frame->presentation_frame_number * 2;
- dt = frame->decode_frame_number * 2;
- delay = pt - dt;
- dist = frame->distance_from_sync;
-
- GST_DEBUG ("sys %d dpn %d pt %d dt %d delay %d dist %d",
- (int) frame->system_frame_number,
- (int) frame->decode_frame_number, pt, dt, delay, dist);
-
- granulepos_hi = (((guint64) pt - delay) << 9) | ((dist >> 8));
- granulepos_low = (delay << 9) | (dist & 0xff);
- GST_DEBUG ("granulepos %lld:%lld", granulepos_hi, granulepos_low);
-
- if (frame->is_eos) {
- GST_BUFFER_OFFSET_END (buf) = schro_parse->last_granulepos;
- } else {
- schro_parse->last_granulepos = (granulepos_hi << 22) | (granulepos_low);
- GST_BUFFER_OFFSET_END (buf) = schro_parse->last_granulepos;
- }
-
- return gst_base_video_parse_push (base_video_parse, buf);
-}
-
-static GstFlowReturn
-gst_schro_parse_shape_output_quicktime (GstBaseVideoParse * base_video_parse,
- GstVideoFrame * frame)
-{
- GstBuffer *buf = frame->src_buffer;
- const GstVideoState *state;
-
- state = gst_base_video_parse_get_state (base_video_parse);
-
- GST_BUFFER_OFFSET_END (buf) = gst_video_state_get_timestamp (state,
- frame->system_frame_number);
-
- if (frame->is_sync_point &&
- frame->presentation_frame_number == frame->system_frame_number) {
- GST_BUFFER_FLAG_UNSET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
- GST_DEBUG ("sync point");
- } else {
- GST_BUFFER_FLAG_SET (buf, GST_BUFFER_FLAG_DELTA_UNIT);
- }
-
- return gst_base_video_parse_push (base_video_parse, buf);
-}
-
-static GstFlowReturn
-gst_schro_parse_shape_output_mpeg_ts (GstBaseVideoParse * base_video_parse,
- GstVideoFrame * frame)
-{
- GstBuffer *buf = frame->src_buffer;
- const GstVideoState *state;
-
- state = gst_base_video_parse_get_state (base_video_parse);
-
- return gst_base_video_parse_push (base_video_parse, buf);
-}
-
-static GstFlowReturn
-gst_schro_parse_shape_output (GstBaseVideoParse * base_video_parse,
- GstVideoFrame * frame)
-{
- GstSchroParse *schro_parse;
-
- schro_parse = GST_SCHRO_PARSE (base_video_parse);
-
- switch (schro_parse->output_format) {
- case GST_SCHRO_PARSE_OUTPUT_OGG:
- return gst_schro_parse_shape_output_ogg (base_video_parse, frame);
- case GST_SCHRO_PARSE_OUTPUT_QUICKTIME:
- return gst_schro_parse_shape_output_quicktime (base_video_parse, frame);
- case GST_SCHRO_PARSE_OUTPUT_MPEG_TS:
- return gst_schro_parse_shape_output_mpeg_ts (base_video_parse, frame);
- default:
- break;
- }
-
- return GST_FLOW_ERROR;
-}
-
-static GstCaps *
-gst_schro_parse_get_caps (GstBaseVideoParse * base_video_parse)
-{
- GstCaps *caps;
- GstVideoState *state;
- GstSchroParse *schro_parse;
-
- schro_parse = GST_SCHRO_PARSE (base_video_parse);
-
- state = gst_base_video_parse_get_state (base_video_parse);
-
- if (schro_parse->output_format == GST_SCHRO_PARSE_OUTPUT_OGG) {
- caps = gst_caps_new_simple ("video/x-dirac",
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
-
- GST_BUFFER_FLAG_SET (schro_parse->seq_header_buffer,
- GST_BUFFER_FLAG_IN_CAPS);
-
- {
- GValue array = { 0 };
- GValue value = { 0 };
- GstBuffer *buf;
- int size;
-
- g_value_init (&array, GST_TYPE_ARRAY);
- g_value_init (&value, GST_TYPE_BUFFER);
- size = GST_BUFFER_SIZE (schro_parse->seq_header_buffer);
- buf = gst_buffer_new_and_alloc (size + SCHRO_PARSE_HEADER_SIZE);
- memcpy (GST_BUFFER_DATA (buf),
- GST_BUFFER_DATA (schro_parse->seq_header_buffer), size);
- GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 0, 0x42424344);
- GST_WRITE_UINT8 (GST_BUFFER_DATA (buf) + size + 4,
- SCHRO_PARSE_CODE_END_OF_SEQUENCE);
- GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 5, 0);
- GST_WRITE_UINT32_BE (GST_BUFFER_DATA (buf) + size + 9, size);
- gst_value_set_buffer (&value, buf);
- gst_buffer_unref (buf);
- gst_value_array_append_value (&array, &value);
- gst_structure_set_value (gst_caps_get_structure (caps, 0),
- "streamheader", &array);
- g_value_unset (&value);
- g_value_unset (&array);
- }
- } else if (schro_parse->output_format == GST_SCHRO_PARSE_OUTPUT_QUICKTIME) {
- caps = gst_caps_new_simple ("video/x-qt-part",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'),
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
- } else if (schro_parse->output_format == GST_SCHRO_PARSE_OUTPUT_AVI) {
- caps = gst_caps_new_simple ("video/x-avi-part",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'),
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
- } else if (schro_parse->output_format == GST_SCHRO_PARSE_OUTPUT_MPEG_TS) {
- caps = gst_caps_new_simple ("video/x-mpegts-part",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'),
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
- } else if (schro_parse->output_format == GST_SCHRO_PARSE_OUTPUT_MP4) {
- caps = gst_caps_new_simple ("video/x-mp4-part",
- "format", GST_TYPE_FOURCC, GST_MAKE_FOURCC ('d', 'r', 'a', 'c'),
- "width", G_TYPE_INT, state->width,
- "height", G_TYPE_INT, state->height,
- "framerate", GST_TYPE_FRACTION, state->fps_n,
- state->fps_d,
- "pixel-aspect-ratio", GST_TYPE_FRACTION, state->par_n,
- state->par_d, NULL);
- } else {
- g_assert_not_reached ();
- }
-
- return caps;
-}
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-//#define SCHRO_ENABLE_UNSTABLE_API
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <schroedinger/schro.h>
-#include <schroedinger/schrobitstream.h>
-#include <schroedinger/schrovirtframe.h>
-#include <math.h>
-#include <string.h>
-
-GST_DEBUG_CATEGORY_EXTERN (schro_debug);
-#define GST_CAT_DEFAULT schro_debug
-
-
-
-
-static void
-gst_schro_frame_free (SchroFrame * frame, void *priv)
-{
- gst_buffer_unref (GST_BUFFER (priv));
-}
-
-SchroFrame *
-gst_schro_buffer_wrap (GstBuffer * buf, GstVideoFormat format, int width,
- int height)
-{
- SchroFrame *frame;
-
- switch (format) {
- case GST_VIDEO_FORMAT_I420:
- frame =
- schro_frame_new_from_data_I420 (GST_BUFFER_DATA (buf), width, height);
- break;
- case GST_VIDEO_FORMAT_YV12:
- frame =
- schro_frame_new_from_data_YV12 (GST_BUFFER_DATA (buf), width, height);
- break;
- case GST_VIDEO_FORMAT_YUY2:
- frame =
- schro_frame_new_from_data_YUY2 (GST_BUFFER_DATA (buf), width, height);
- break;
- case GST_VIDEO_FORMAT_UYVY:
- frame =
- schro_frame_new_from_data_UYVY (GST_BUFFER_DATA (buf), width, height);
- break;
- case GST_VIDEO_FORMAT_AYUV:
- frame =
- schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
- break;
-#if 0
- case GST_VIDEO_FORMAT_ARGB:
- {
- SchroFrame *rgbframe =
- schro_frame_new_from_data_AYUV (GST_BUFFER_DATA (buf), width, height);
- SchroFrame *vframe1;
- SchroFrame *vframe2;
- SchroFrame *vframe3;
-
- vframe1 = schro_virt_frame_new_unpack (rgbframe);
- vframe2 = schro_virt_frame_new_color_matrix (vframe1);
- vframe3 =
- schro_virt_frame_new_subsample (vframe2, SCHRO_FRAME_FORMAT_U8_420);
-
- frame = schro_frame_new_and_alloc (NULL, SCHRO_FRAME_FORMAT_U8_420,
- width, height);
- schro_virt_frame_render (vframe3, frame);
- schro_frame_unref (vframe3);
- }
- break;
-#endif
- default:
- g_assert_not_reached ();
- }
- schro_frame_set_free_callback (frame, gst_schro_frame_free, buf);
-
- return frame;
-}
-
-#ifdef GST_BUFFER_FREE_FUNC
-static void
-schro_buf_free_func (gpointer priv)
-{
- SchroBuffer *buffer = (SchroBuffer *) priv;
-
- schro_buffer_unref (buffer);
-}
-#endif
-
-/* takes the reference */
-GstBuffer *
-gst_schro_wrap_schro_buffer (SchroBuffer * buffer)
-{
- GstBuffer *gstbuf;
-
-#ifdef GST_BUFFER_FREE_FUNC
- gstbuf = gst_buffer_new ();
- GST_BUFFER_DATA (gstbuf) = buffer->data;
- GST_BUFFER_SIZE (gstbuf) = buffer->length;
- GST_BUFFER_MALLOCDATA (gstbuf) = (void *) buffer;
- GST_BUFFER_FREE_FUNC (gstbuf) = schro_buf_free_func;
-#else
- gstbuf = gst_buffer_new_and_alloc (buffer->length);
- memcpy (GST_BUFFER_DATA (gstbuf), buffer->data, buffer->length);
-#endif
-
- return gstbuf;
-}
-
-static void
-gst_schro_buffer_free (SchroBuffer * buffer, void *priv)
-{
- gst_buffer_unref (GST_BUFFER (priv));
-}
-
-SchroBuffer *
-gst_schro_wrap_gst_buffer (GstBuffer * buffer)
-{
- SchroBuffer *schrobuf;
-
- schrobuf = schro_buffer_new_with_data (GST_BUFFER_DATA (buffer),
- GST_BUFFER_SIZE (buffer));
- schrobuf->free = gst_schro_buffer_free;
- schrobuf->priv = buffer;
-
- return schrobuf;
-}
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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_SCHRO_UTILS_H_
-#define _GST_SCHRO_UTILS_H_
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <schroedinger/schro.h>
-
-SchroFrame *
-gst_schro_buffer_wrap (GstBuffer *buf, GstVideoFormat format, int width,
- int height);
-GstBuffer * gst_schro_wrap_schro_buffer (SchroBuffer *buffer);
-SchroBuffer * gst_schro_wrap_gst_buffer (GstBuffer *buffer);
-
-#endif
-
CLEANFILES = $(BUILT_SOURCES)
libgstvideo_@GST_MAJORMINOR@_la_SOURCES = \
- video.c gstvideosink.c gstvideofilter.c \
- gstbasevideoutils.c \
- gstbasevideocodec.c \
- gstbasevideodecoder.c \
- gstbasevideoencoder.c \
- gstbasevideoparse.c
+ video.c gstvideosink.c gstvideofilter.c
nodist_libgstvideo_@GST_MAJORMINOR@_la_SOURCES = $(BUILT_SOURCES)
libgstvideo_@GST_MAJORMINOR@includedir = $(includedir)/gstreamer-@GST_MAJORMINOR@/gst/video
libgstvideo_@GST_MAJORMINOR@include_HEADERS = \
- video.h gstvideosink.h gstvideofilter.h \
- gstbasevideoutils.h \
- gstbasevideocodec.h \
- gstbasevideodecoder.h \
- gstbasevideoencoder.h \
- gstbasevideoparse.h
+ video.h gstvideosink.h gstvideofilter.h
nodist_libgstvideo_@GST_MAJORMINOR@include_HEADERS = $(built_headers)
libgstvideo_@GST_MAJORMINOR@_la_CFLAGS = $(GST_PLUGINS_BASE_CFLAGS) $(GST_CFLAGS)
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2006 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideocodec.h"
-
-#include <string.h>
-#include <math.h>
-
-GST_DEBUG_CATEGORY (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-/* GstBaseVideoCodec signals and args */
-enum
-{
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
-};
-
-static void gst_base_video_codec_finalize (GObject * object);
-
-static GstStateChangeReturn gst_base_video_codec_change_state (GstElement *
- element, GstStateChange transition);
-
-
-GST_BOILERPLATE (GstBaseVideoCodec, gst_base_video_codec, GstElement,
- GST_TYPE_ELEMENT);
-
-static void
-gst_base_video_codec_base_init (gpointer g_class)
-{
- GST_DEBUG_CATEGORY_INIT (basevideo_debug, "basevideo", 0,
- "Base Video Classes");
-
-}
-
-static void
-gst_base_video_codec_class_init (GstBaseVideoCodecClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- element_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_base_video_codec_finalize;
-
- element_class->change_state = gst_base_video_codec_change_state;
-}
-
-static void
-gst_base_video_codec_init (GstBaseVideoCodec * base_video_codec,
- GstBaseVideoCodecClass * klass)
-{
- GstPadTemplate *pad_template;
-
- GST_DEBUG ("gst_base_video_codec_init");
-
- pad_template =
- gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "sink");
- g_return_if_fail (pad_template != NULL);
-
- base_video_codec->sinkpad = gst_pad_new_from_template (pad_template, "sink");
- gst_element_add_pad (GST_ELEMENT (base_video_codec),
- base_video_codec->sinkpad);
-
- pad_template =
- gst_element_class_get_pad_template (GST_ELEMENT_CLASS (klass), "src");
- g_return_if_fail (pad_template != NULL);
-
- base_video_codec->srcpad = gst_pad_new_from_template (pad_template, "src");
- gst_pad_use_fixed_caps (base_video_codec->srcpad);
- gst_element_add_pad (GST_ELEMENT (base_video_codec),
- base_video_codec->srcpad);
-
- base_video_codec->input_adapter = gst_adapter_new ();
- base_video_codec->output_adapter = gst_adapter_new ();
-
-}
-
-static void
-gst_base_video_codec_reset (GstBaseVideoCodec * base_video_codec)
-{
- GST_DEBUG ("reset");
-
- base_video_codec->system_frame_number = 0;
-
- gst_adapter_clear (base_video_codec->input_adapter);
- gst_adapter_clear (base_video_codec->output_adapter);
-
-}
-
-static void
-gst_base_video_codec_finalize (GObject * object)
-{
- GstBaseVideoCodec *base_video_codec;
-
- g_return_if_fail (GST_IS_BASE_VIDEO_CODEC (object));
- base_video_codec = GST_BASE_VIDEO_CODEC (object);
-
- if (base_video_codec->input_adapter) {
- g_object_unref (base_video_codec->input_adapter);
- }
- if (base_video_codec->output_adapter) {
- g_object_unref (base_video_codec->output_adapter);
- }
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-#ifdef unused
-static const GstQueryType *
-gst_base_video_codec_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_CONVERT,
- 0
- };
-
- return query_types;
-}
-#endif
-
-#if 0
-static gboolean
-gst_base_video_codec_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res;
- GstBaseVideoCodec *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
- if (dec->fps_d != 0) {
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- dec->fps_d * GST_SECOND, dec->fps_n);
- res = TRUE;
- } else {
- res = FALSE;
- }
- } else {
- GST_WARNING ("unhandled conversion from %d to %d", src_format,
- *dest_format);
- res = FALSE;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-
-static gboolean
-gst_base_video_codec_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoCodec *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
-
- switch (src_format) {
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_d * GST_SECOND, dec->fps_n);
- break;
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_TIME:
- switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- {
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_n, dec->fps_d * GST_SECOND);
- break;
- }
- default:
- res = FALSE;
- break;
- }
- break;
- default:
- res = FALSE;
- break;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoCodec *base_codec;
- gboolean res = FALSE;
-
- base_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_POSITION:
- {
- GstFormat format;
- gint64 time;
- gint64 value;
-
- gst_query_parse_position (query, &format, NULL);
-
- time = gst_util_uint64_scale (base_codec->system_frame_number,
- base_codec->state.fps_n, base_codec->state.fps_d);
- time += base_codec->state.segment.time;
- GST_DEBUG ("query position %lld", time);
- res = gst_base_video_encoded_video_convert (&base_codec->state,
- GST_FORMAT_TIME, time, &format, &value);
- if (!res)
- goto error;
-
- gst_query_set_position (query, format, value);
- break;
- }
- case GST_QUERY_DURATION:
- res = gst_pad_query (GST_PAD_PEER (base_codec->sinkpad), query);
- if (!res)
- goto error;
- break;
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- GST_DEBUG ("query convert");
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_codec->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_codec);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_codec, "query failed");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_sink_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean res = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_video_codec, "query failed");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_src_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean res = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- {
- GstFormat format, tformat;
- gdouble rate;
- GstEvent *real_seek;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 tcur, tstop;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
- &cur, &stop_type, &stop);
- gst_event_unref (event);
-
- tformat = GST_FORMAT_TIME;
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- format, cur, &tformat, &tcur);
- if (!res)
- goto convert_error;
- res = gst_base_video_encoded_video_convert (&base_video_codec->state,
- format, stop, &tformat, &tstop);
- if (!res)
- goto convert_error;
-
- real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
- flags, cur_type, tcur, stop_type, tstop);
-
- res = gst_pad_push_event (base_video_codec->sinkpad, real_seek);
-
- break;
- }
-#if 0
- case GST_EVENT_QOS:
- {
- gdouble proportion;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
-
- gst_event_parse_qos (event, &proportion, &diff, ×tamp);
-
- GST_OBJECT_LOCK (base_video_codec);
- base_video_codec->proportion = proportion;
- base_video_codec->earliest_time = timestamp + diff;
- GST_OBJECT_UNLOCK (base_video_codec);
-
- GST_DEBUG_OBJECT (base_video_codec,
- "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
- GST_TIME_ARGS (timestamp), diff);
-
- res = gst_pad_push_event (base_video_codec->sinkpad, event);
- break;
- }
-#endif
- default:
- res = gst_pad_push_event (base_video_codec->sinkpad, event);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
- return res;
-
-convert_error:
- GST_DEBUG_OBJECT (base_video_codec, "could not convert format");
- goto done;
-}
-#endif
-
-#ifdef unused
-static gboolean
-gst_base_video_codec_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoCodec *base_video_codec;
- gboolean ret = FALSE;
-
- base_video_codec = GST_BASE_VIDEO_CODEC (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_START:
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_FLUSH_STOP:
- gst_base_video_codec_reset (base_video_codec);
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_EOS:
- if (gst_base_video_codec_push_all (base_video_codec,
- FALSE) == GST_FLOW_ERROR) {
- gst_event_unref (event);
- return FALSE;
- }
-
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- GstFormat format;
- gdouble rate;
- gint64 start, stop, time;
-
- gst_event_parse_new_segment (event, &update, &rate, &format, &start,
- &stop, &time);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- if (rate <= 0.0)
- goto newseg_wrong_rate;
-
- GST_DEBUG ("newsegment %lld %lld", start, time);
- gst_segment_set_newsegment (&base_video_codec->state.segment, update,
- rate, format, start, stop, time);
-
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- }
- default:
- ret = gst_pad_push_event (base_video_codec->srcpad, event);
- break;
- }
-done:
- gst_object_unref (base_video_codec);
- return ret;
-
-newseg_wrong_format:
- GST_DEBUG_OBJECT (base_video_codec, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
-
-newseg_wrong_rate:
- GST_DEBUG_OBJECT (base_video_codec, "negative rates not supported");
- gst_event_unref (event);
- goto done;
-}
-#endif
-
-
-static GstStateChangeReturn
-gst_base_video_codec_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseVideoCodec *base_video_codec = GST_BASE_VIDEO_CODEC (element);
- GstStateChangeReturn ret;
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- gst_base_video_codec_reset (base_video_codec);
- break;
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- break;
- default:
- break;
- }
-
- ret = parent_class->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
- break;
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- gst_base_video_codec_reset (base_video_codec);
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-#if 0
-guint64
-gst_base_video_codec_get_timestamp (GstBaseVideoCodec * base_video_codec,
- int picture_number)
-{
- if (picture_number < 0) {
- return base_video_codec->timestamp_offset -
- (gint64) gst_util_uint64_scale (-picture_number,
- base_video_codec->state.fps_d * GST_SECOND,
- base_video_codec->state.fps_n);
- } else {
- return base_video_codec->timestamp_offset +
- gst_util_uint64_scale (picture_number,
- base_video_codec->state.fps_d * GST_SECOND,
- base_video_codec->state.fps_n);
- }
-}
-#endif
-
-GstVideoFrame *
-gst_base_video_codec_new_frame (GstBaseVideoCodec * base_video_codec)
-{
- GstVideoFrame *frame;
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
-
- frame->system_frame_number = base_video_codec->system_frame_number;
- base_video_codec->system_frame_number++;
-
- return frame;
-}
-
-void
-gst_base_video_codec_free_frame (GstVideoFrame * frame)
-{
- if (frame->sink_buffer) {
- gst_buffer_unref (frame->sink_buffer);
- }
-#if 0
- if (frame->src_buffer) {
- gst_buffer_unref (frame->src_buffer);
- }
-#endif
-
- g_free (frame);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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_BASE_VIDEO_CODEC_H_
-#define _GST_BASE_VIDEO_CODEC_H_
-
-#include <gst/gst.h>
-#include <gst/video/gstbasevideoutils.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_BASE_VIDEO_CODEC \
- (gst_base_video_codec_get_type())
-#define GST_BASE_VIDEO_CODEC(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodec))
-#define GST_BASE_VIDEO_CODEC_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
-#define GST_BASE_VIDEO_CODEC_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_CODEC,GstBaseVideoCodecClass))
-#define GST_IS_BASE_VIDEO_CODEC(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_CODEC))
-#define GST_IS_BASE_VIDEO_CODEC_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_CODEC))
-
-/**
- * GST_BASE_VIDEO_CODEC_SINK_NAME:
- *
- * The name of the templates for the sink pad.
- */
-#define GST_BASE_VIDEO_CODEC_SINK_NAME "sink"
-/**
- * GST_BASE_VIDEO_CODEC_SRC_NAME:
- *
- * The name of the templates for the source pad.
- */
-#define GST_BASE_VIDEO_CODEC_SRC_NAME "src"
-
-/**
- * GST_BASE_VIDEO_CODEC_SRC_PAD:
- * @obj: base video codec instance
- *
- * Gives the pointer to the source #GstPad object of the element.
- */
-#define GST_BASE_VIDEO_CODEC_SRC_PAD(obj) (((GstBaseVideoCodec *) (obj))->srcpad)
-
-/**
- * GST_BASE_VIDEO_CODEC_SINK_PAD:
- * @obj: base video codec instance
- *
- * Gives the pointer to the sink #GstPad object of the element.
- */
-#define GST_BASE_VIDEO_CODEC_SINK_PAD(obj) (((GstBaseVideoCodec *) (obj))->sinkpad)
-
-/**
- * GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA:
- *
- */
-#define GST_BASE_VIDEO_CODEC_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
-
-typedef struct _GstBaseVideoCodec GstBaseVideoCodec;
-typedef struct _GstBaseVideoCodecClass GstBaseVideoCodecClass;
-
-struct _GstBaseVideoCodec
-{
- GstElement element;
-
- /*< private >*/
- GstPad *sinkpad;
- GstPad *srcpad;
- GstAdapter *input_adapter;
- GstAdapter *output_adapter;
-
-#if 0
- /* FIXME need to move from subclasses */
- GstVideoState state;
-#endif
-
- //int reorder_depth;
-
- //gboolean have_sync;
- //gboolean discont;
- //gboolean started;
-
- //GstVideoFrame *current_frame;
- //int distance_from_sync;
-
- //gboolean sink_clipping;
-
- //guint64 presentation_frame_number;
- guint64 system_frame_number;
-
- //GstCaps *caps;
- //gboolean set_output_caps;
-
- //GstClockTime buffer_timestamp;
-
- GstClockTime timestamp_offset;
-};
-
-struct _GstBaseVideoCodecClass
-{
- GstElementClass element_class;
-
- gboolean (*start) (GstBaseVideoCodec *codec);
- gboolean (*stop) (GstBaseVideoCodec *codec);
- gboolean (*reset) (GstBaseVideoCodec *codec);
- GstFlowReturn (*parse_data) (GstBaseVideoCodec *codec, gboolean at_eos);
- int (*scan_for_sync) (GstAdapter *adapter, gboolean at_eos,
- int offset, int n);
- GstFlowReturn (*shape_output) (GstBaseVideoCodec *codec, GstVideoFrame *frame);
- GstCaps *(*get_caps) (GstBaseVideoCodec *codec);
-
-};
-
-GType gst_base_video_codec_get_type (void);
-
-#if 0
-guint64 gst_base_video_codec_get_timestamp (GstBaseVideoCodec *codec,
- int picture_number);
-#endif
-
-GstVideoFrame * gst_base_video_codec_new_frame (GstBaseVideoCodec *base_video_codec);
-void gst_base_video_codec_free_frame (GstVideoFrame *frame);
-
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideodecoder.h"
-
-#include <string.h>
-
-GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-static void gst_base_video_decoder_finalize (GObject * object);
-
-static gboolean gst_base_video_decoder_sink_setcaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_base_video_decoder_sink_event (GstPad * pad,
- GstEvent * event);
-static gboolean gst_base_video_decoder_src_event (GstPad * pad,
- GstEvent * event);
-static GstFlowReturn gst_base_video_decoder_chain (GstPad * pad,
- GstBuffer * buf);
-static gboolean gst_base_video_decoder_sink_query (GstPad * pad,
- GstQuery * query);
-static GstStateChangeReturn gst_base_video_decoder_change_state (GstElement *
- element, GstStateChange transition);
-static const GstQueryType *gst_base_video_decoder_get_query_types (GstPad *
- pad);
-static gboolean gst_base_video_decoder_src_query (GstPad * pad,
- GstQuery * query);
-static gboolean gst_base_video_decoder_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value, GstFormat * dest_format,
- gint64 * dest_value);
-static void gst_base_video_decoder_reset (GstBaseVideoDecoder *
- base_video_decoder);
-
-static guint64
-gst_base_video_decoder_get_timestamp (GstBaseVideoDecoder * base_video_decoder,
- int picture_number);
-static guint64
-gst_base_video_decoder_get_field_timestamp (GstBaseVideoDecoder *
- base_video_decoder, int field_offset);
-static GstVideoFrame *gst_base_video_decoder_new_frame (GstBaseVideoDecoder *
- base_video_decoder);
-static void gst_base_video_decoder_free_frame (GstVideoFrame * frame);
-
-GST_BOILERPLATE (GstBaseVideoDecoder, gst_base_video_decoder,
- GstBaseVideoCodec, GST_TYPE_BASE_VIDEO_CODEC);
-
-static void
-gst_base_video_decoder_base_init (gpointer g_class)
-{
-
-}
-
-static void
-gst_base_video_decoder_class_init (GstBaseVideoDecoderClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- gstelement_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_base_video_decoder_finalize;
-
- gstelement_class->change_state = gst_base_video_decoder_change_state;
-
- parent_class = g_type_class_peek_parent (klass);
-}
-
-static void
-gst_base_video_decoder_init (GstBaseVideoDecoder * base_video_decoder,
- GstBaseVideoDecoderClass * klass)
-{
- GstPad *pad;
-
- GST_DEBUG ("gst_base_video_decoder_init");
-
- pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_decoder);
-
- gst_pad_set_chain_function (pad, gst_base_video_decoder_chain);
- gst_pad_set_event_function (pad, gst_base_video_decoder_sink_event);
- gst_pad_set_setcaps_function (pad, gst_base_video_decoder_sink_setcaps);
- gst_pad_set_query_function (pad, gst_base_video_decoder_sink_query);
-
- pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder);
-
- gst_pad_set_event_function (pad, gst_base_video_decoder_src_event);
- gst_pad_set_query_type_function (pad, gst_base_video_decoder_get_query_types);
- gst_pad_set_query_function (pad, gst_base_video_decoder_src_query);
-
- base_video_decoder->input_adapter = gst_adapter_new ();
- base_video_decoder->output_adapter = gst_adapter_new ();
-
- gst_segment_init (&base_video_decoder->state.segment, GST_FORMAT_TIME);
- gst_base_video_decoder_reset (base_video_decoder);
-
- base_video_decoder->current_frame =
- gst_base_video_decoder_new_frame (base_video_decoder);
-
- base_video_decoder->sink_clipping = TRUE;
-}
-
-static gboolean
-gst_base_video_decoder_sink_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstStructure *structure;
- const GValue *codec_data;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG ("setcaps %" GST_PTR_FORMAT, caps);
-
- if (base_video_decoder->codec_data) {
- gst_buffer_unref (base_video_decoder->codec_data);
- base_video_decoder->codec_data = NULL;
- }
-
- structure = gst_caps_get_structure (caps, 0);
-
- codec_data = gst_structure_get_value (structure, "codec_data");
- if (codec_data && G_VALUE_TYPE (codec_data) == GST_TYPE_BUFFER) {
- base_video_decoder->codec_data = gst_value_get_buffer (codec_data);
- }
-
- if (base_video_decoder_class->start) {
- base_video_decoder_class->start (base_video_decoder);
- }
-
- g_object_unref (base_video_decoder);
-
- return TRUE;
-}
-
-static void
-gst_base_video_decoder_finalize (GObject * object)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *base_video_decoder_class;
-
- g_return_if_fail (GST_IS_BASE_VIDEO_DECODER (object));
- base_video_decoder = GST_BASE_VIDEO_DECODER (object);
- base_video_decoder_class = GST_BASE_VIDEO_DECODER_GET_CLASS (object);
-
- gst_base_video_decoder_reset (base_video_decoder);
-
- GST_DEBUG_OBJECT (object, "finalize");
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_base_video_decoder_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- gboolean ret = FALSE;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- {
- GstVideoFrame *frame;
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
- frame->presentation_frame_number =
- base_video_decoder->presentation_frame_number;
- frame->presentation_duration = 0;
- base_video_decoder->presentation_frame_number++;
-
- base_video_decoder->frames =
- g_list_append (base_video_decoder->frames, frame);
- if (base_video_decoder_class->finish) {
- base_video_decoder_class->finish (base_video_decoder, frame);
- }
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- event);
- }
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- double rate;
- double applied_rate;
- GstFormat format;
- gint64 start;
- gint64 stop;
- gint64 position;
-
- gst_event_parse_new_segment_full (event, &update, &rate,
- &applied_rate, &format, &start, &stop, &position);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- GST_DEBUG ("new segment %lld %lld", start, position);
-
- gst_segment_set_newsegment_full (&base_video_decoder->state.segment,
- update, rate, applied_rate, format, start, stop, position);
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- event);
- }
- break;
- default:
- /* FIXME this changes the order of events */
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- event);
- break;
- }
-
-done:
- gst_object_unref (base_video_decoder);
- return ret;
-
-newseg_wrong_format:
- {
- GST_DEBUG_OBJECT (base_video_decoder, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
- }
-}
-
-static gboolean
-gst_base_video_decoder_src_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoDecoder *base_video_decoder;
- gboolean res = FALSE;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- {
- GstFormat format, tformat;
- gdouble rate;
- GstEvent *real_seek;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 tcur, tstop;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
- &cur, &stop_type, &stop);
- gst_event_unref (event);
-
- tformat = GST_FORMAT_TIME;
- res =
- gst_base_video_decoder_src_convert (pad, format, cur, &tformat,
- &tcur);
- if (!res)
- goto convert_error;
- res =
- gst_base_video_decoder_src_convert (pad, format, stop, &tformat,
- &tstop);
- if (!res)
- goto convert_error;
-
- real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
- flags, cur_type, tcur, stop_type, tstop);
-
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD
- (base_video_decoder), real_seek);
-
- break;
- }
- case GST_EVENT_QOS:
- {
- gdouble proportion;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
-
- gst_event_parse_qos (event, &proportion, &diff, ×tamp);
-
- GST_OBJECT_LOCK (base_video_decoder);
- base_video_decoder->proportion = proportion;
- base_video_decoder->earliest_time = timestamp + diff;
- GST_OBJECT_UNLOCK (base_video_decoder);
-
- GST_DEBUG_OBJECT (base_video_decoder,
- "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT ", %g",
- GST_TIME_ARGS (timestamp), diff, proportion);
-
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD
- (base_video_decoder), event);
- break;
- }
- default:
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD
- (base_video_decoder), event);
- break;
- }
-done:
- gst_object_unref (base_video_decoder);
- return res;
-
-convert_error:
- GST_DEBUG_OBJECT (base_video_decoder, "could not convert format");
- goto done;
-}
-
-
-#if 0
-static gboolean
-gst_base_video_decoder_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoDecoder *enc;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- enc = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
-
- switch (src_format) {
- case GST_FORMAT_BYTES:
- switch (*dest_format) {
-#if 0
- case GST_FORMAT_DEFAULT:
- *dest_value = gst_util_uint64_scale_int (src_value, 1,
- enc->bytes_per_picture);
- break;
-#endif
- case GST_FORMAT_TIME:
- /* seems like a rather silly conversion, implement me if you like */
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (src_value,
- GST_SECOND * enc->fps_d, enc->fps_n);
- break;
-#if 0
- case GST_FORMAT_BYTES:
- *dest_value = gst_util_uint64_scale_int (src_value,
- enc->bytes_per_picture, 1);
- break;
-#endif
- default:
- res = FALSE;
- }
- break;
- default:
- res = FALSE;
- break;
- }
-}
-#endif
-
-static gboolean
-gst_base_video_decoder_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoDecoder *enc;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- enc = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a encoding state */
-
- GST_DEBUG ("src convert");
- switch (src_format) {
-#if 0
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- enc->fps_d * GST_SECOND, enc->fps_n);
- break;
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_TIME:
- switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- {
- *dest_value = gst_util_uint64_scale (src_value,
- enc->fps_n, enc->fps_d * GST_SECOND);
- break;
- }
- default:
- res = FALSE;
- break;
- }
- break;
-#endif
- default:
- res = FALSE;
- break;
- }
-
- gst_object_unref (enc);
-
- return res;
-}
-
-static const GstQueryType *
-gst_base_video_decoder_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_CONVERT,
- 0
- };
-
- return query_types;
-}
-
-static gboolean
-gst_base_video_decoder_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoDecoder *enc;
- gboolean res;
-
- enc = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- switch GST_QUERY_TYPE
- (query) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res =
- gst_base_video_decoder_src_convert (pad, src_fmt, src_val, &dest_fmt,
- &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- }
- gst_object_unref (enc);
- return res;
-
-error:
- GST_DEBUG_OBJECT (enc, "query failed");
- gst_object_unref (enc);
- return res;
-}
-
-static gboolean
-gst_base_video_decoder_sink_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoDecoder *base_video_decoder;
- gboolean res = FALSE;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
-
- GST_DEBUG_OBJECT (base_video_decoder, "sink query fps=%d/%d",
- base_video_decoder->state.fps_n, base_video_decoder->state.fps_d);
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_rawvideo_convert (&base_video_decoder->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_video_decoder);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_video_decoder, "query failed");
- goto done;
-}
-
-
-#if 0
-static gboolean
-gst_pad_is_negotiated (GstPad * pad)
-{
- GstCaps *caps;
-
- g_return_val_if_fail (pad != NULL, FALSE);
-
- caps = gst_pad_get_negotiated_caps (pad);
- if (caps) {
- gst_caps_unref (caps);
- return TRUE;
- }
-
- return FALSE;
-}
-#endif
-
-static void
-gst_base_video_decoder_reset (GstBaseVideoDecoder * base_video_decoder)
-{
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GList *g;
-
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG ("reset");
-
- base_video_decoder->started = FALSE;
-
- base_video_decoder->discont = TRUE;
- base_video_decoder->have_sync = FALSE;
-
- base_video_decoder->timestamp_offset = GST_CLOCK_TIME_NONE;
- base_video_decoder->system_frame_number = 0;
- base_video_decoder->presentation_frame_number = 0;
- base_video_decoder->last_sink_timestamp = GST_CLOCK_TIME_NONE;
- base_video_decoder->last_sink_offset_end = GST_CLOCK_TIME_NONE;
- base_video_decoder->base_picture_number = 0;
- base_video_decoder->last_timestamp = GST_CLOCK_TIME_NONE;
-
- base_video_decoder->offset = 0;
-
- if (base_video_decoder->caps) {
- gst_caps_unref (base_video_decoder->caps);
- base_video_decoder->caps = NULL;
- }
-
- if (base_video_decoder->current_frame) {
- gst_base_video_decoder_free_frame (base_video_decoder->current_frame);
- base_video_decoder->current_frame = NULL;
- }
-
- base_video_decoder->have_src_caps = FALSE;
-
- for (g = g_list_first (base_video_decoder->frames); g; g = g_list_next (g)) {
- GstVideoFrame *frame = g->data;
- gst_base_video_decoder_free_frame (frame);
- }
- g_list_free (base_video_decoder->frames);
- base_video_decoder->frames = NULL;
-
- if (base_video_decoder_class->reset) {
- base_video_decoder_class->reset (base_video_decoder);
- }
-}
-
-static GstBuffer *
-gst_adapter_get_buffer (GstAdapter * adapter)
-{
- return gst_buffer_ref (GST_BUFFER (adapter->buflist->data));
-
-}
-
-static GstFlowReturn
-gst_base_video_decoder_chain (GstPad * pad, GstBuffer * buf)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *klass;
- GstBuffer *buffer;
- GstFlowReturn ret;
-
- GST_DEBUG ("chain %lld", GST_BUFFER_TIMESTAMP (buf));
-
-#if 0
- /* requiring the pad to be negotiated makes it impossible to use
- * oggdemux or filesrc ! decoder */
- if (!gst_pad_is_negotiated (pad)) {
- GST_DEBUG ("not negotiated");
- return GST_FLOW_NOT_NEGOTIATED;
- }
-#endif
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (gst_pad_get_parent (pad));
- klass = GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG_OBJECT (base_video_decoder, "chain");
-
- if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT))) {
- GST_DEBUG_OBJECT (base_video_decoder, "received DISCONT buffer");
- if (base_video_decoder->started) {
- gst_base_video_decoder_reset (base_video_decoder);
- }
- }
-
- if (!base_video_decoder->started) {
- klass->start (base_video_decoder);
- base_video_decoder->started = TRUE;
- }
-
- if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
- GST_DEBUG ("timestamp %lld offset %lld", GST_BUFFER_TIMESTAMP (buf),
- base_video_decoder->offset);
- base_video_decoder->last_sink_timestamp = GST_BUFFER_TIMESTAMP (buf);
- }
- if (GST_BUFFER_OFFSET_END (buf) != -1) {
- GST_DEBUG ("gp %lld", GST_BUFFER_OFFSET_END (buf));
- base_video_decoder->last_sink_offset_end = GST_BUFFER_OFFSET_END (buf);
- }
- base_video_decoder->offset += GST_BUFFER_SIZE (buf);
-
-#if 0
- if (base_video_decoder->timestamp_offset == GST_CLOCK_TIME_NONE &&
- GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
- GST_DEBUG ("got new offset %lld", GST_BUFFER_TIMESTAMP (buf));
- base_video_decoder->timestamp_offset = GST_BUFFER_TIMESTAMP (buf);
- }
-#endif
-
- if (base_video_decoder->current_frame == NULL) {
- base_video_decoder->current_frame =
- gst_base_video_decoder_new_frame (base_video_decoder);
- }
-
- gst_adapter_push (base_video_decoder->input_adapter, buf);
-
- if (!base_video_decoder->have_sync) {
- int n, m;
-
- GST_DEBUG ("no sync, scanning");
-
- n = gst_adapter_available (base_video_decoder->input_adapter);
- m = klass->scan_for_sync (base_video_decoder, FALSE, 0, n);
-
- if (m >= n) {
- g_warning ("subclass scanned past end %d >= %d", m, n);
- }
-
- gst_adapter_flush (base_video_decoder->input_adapter, m);
-
- if (m < n) {
- GST_DEBUG ("found possible sync after %d bytes (of %d)", m, n);
-
- /* this is only "maybe" sync */
- base_video_decoder->have_sync = TRUE;
- }
-
- if (!base_video_decoder->have_sync) {
- gst_object_unref (base_video_decoder);
- return GST_FLOW_OK;
- }
- }
-
- /* FIXME: use gst_adapter_prev_timestamp() here instead? */
- buffer = gst_adapter_get_buffer (base_video_decoder->input_adapter);
-
- base_video_decoder->buffer_timestamp = GST_BUFFER_TIMESTAMP (buffer);
- gst_buffer_unref (buffer);
-
- do {
- ret = klass->parse_data (base_video_decoder, FALSE);
- } while (ret == GST_FLOW_OK);
-
- if (ret == GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA) {
- gst_object_unref (base_video_decoder);
- return GST_FLOW_OK;
- }
-
- gst_object_unref (base_video_decoder);
- return ret;
-}
-
-static GstStateChangeReturn
-gst_base_video_decoder_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseVideoDecoder *base_video_decoder;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstStateChangeReturn ret;
-
- base_video_decoder = GST_BASE_VIDEO_DECODER (element);
- base_video_decoder_class = GST_BASE_VIDEO_DECODER_GET_CLASS (element);
-
- switch (transition) {
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- if (base_video_decoder_class->stop) {
- base_video_decoder_class->stop (base_video_decoder);
- }
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-static void
-gst_base_video_decoder_free_frame (GstVideoFrame * frame)
-{
- g_return_if_fail (frame != NULL);
-
- if (frame->sink_buffer) {
- gst_buffer_unref (frame->sink_buffer);
- }
-#if 0
- if (frame->src_buffer) {
- gst_buffer_unref (frame->src_buffer);
- }
-#endif
-
- g_free (frame);
-}
-
-static GstVideoFrame *
-gst_base_video_decoder_new_frame (GstBaseVideoDecoder * base_video_decoder)
-{
- GstVideoFrame *frame;
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
-
- frame->system_frame_number = base_video_decoder->system_frame_number;
- base_video_decoder->system_frame_number++;
-
- frame->decode_frame_number = frame->system_frame_number -
- base_video_decoder->reorder_depth;
-
- frame->decode_timestamp = -1;
- frame->presentation_timestamp = -1;
- frame->presentation_duration = -1;
- frame->n_fields = 2;
-
- return frame;
-}
-
-GstFlowReturn
-gst_base_video_decoder_finish_frame (GstBaseVideoDecoder * base_video_decoder,
- GstVideoFrame * frame)
-{
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstBuffer *src_buffer;
-
- GST_DEBUG ("finish frame");
-
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- GST_DEBUG ("finish frame sync=%d pts=%lld", frame->is_sync_point,
- frame->presentation_timestamp);
-
- if (frame->is_sync_point) {
- if (GST_CLOCK_TIME_IS_VALID (frame->presentation_timestamp)) {
- if (frame->presentation_timestamp != base_video_decoder->timestamp_offset) {
- GST_DEBUG ("sync timestamp %lld diff %lld",
- frame->presentation_timestamp,
- frame->presentation_timestamp -
- base_video_decoder->state.segment.start);
- base_video_decoder->timestamp_offset = frame->presentation_timestamp;
- base_video_decoder->field_index = 0;
- } else {
- /* This case is for one initial timestamp and no others, e.g.,
- * filesrc ! decoder ! xvimagesink */
- GST_WARNING ("sync timestamp didn't change, ignoring");
- frame->presentation_timestamp = GST_CLOCK_TIME_NONE;
- }
- } else {
- GST_WARNING ("sync point doesn't have timestamp");
- if (GST_CLOCK_TIME_IS_VALID (base_video_decoder->timestamp_offset)) {
- GST_ERROR ("No base timestamp. Assuming frames start at 0");
- base_video_decoder->timestamp_offset = 0;
- base_video_decoder->field_index = 0;
- }
- }
- }
- frame->field_index = base_video_decoder->field_index;
- base_video_decoder->field_index += frame->n_fields;
-
- if (frame->presentation_timestamp == GST_CLOCK_TIME_NONE) {
- frame->presentation_timestamp =
- gst_base_video_decoder_get_field_timestamp (base_video_decoder,
- frame->field_index);
- frame->presentation_duration = GST_CLOCK_TIME_NONE;
- frame->decode_timestamp =
- gst_base_video_decoder_get_timestamp (base_video_decoder,
- frame->decode_frame_number);
- }
- if (frame->presentation_duration == GST_CLOCK_TIME_NONE) {
- frame->presentation_duration =
- gst_base_video_decoder_get_field_timestamp (base_video_decoder,
- frame->field_index + frame->n_fields) - frame->presentation_timestamp;
- }
-
- if (GST_CLOCK_TIME_IS_VALID (base_video_decoder->last_timestamp)) {
- if (frame->presentation_timestamp < base_video_decoder->last_timestamp) {
- GST_WARNING ("decreasing timestamp (%lld < %lld)",
- frame->presentation_timestamp, base_video_decoder->last_timestamp);
- }
- }
- base_video_decoder->last_timestamp = frame->presentation_timestamp;
-
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- if (base_video_decoder->state.interlaced) {
-#ifndef GST_VIDEO_BUFFER_TFF
-#define GST_VIDEO_BUFFER_TFF (GST_MINI_OBJECT_FLAG_LAST << 5)
-#endif
-#ifndef GST_VIDEO_BUFFER_RFF
-#define GST_VIDEO_BUFFER_RFF (GST_MINI_OBJECT_FLAG_LAST << 6)
-#endif
-#ifndef GST_VIDEO_BUFFER_ONEFIELD
-#define GST_VIDEO_BUFFER_ONEFIELD (GST_MINI_OBJECT_FLAG_LAST << 7)
-#endif
- int tff = base_video_decoder->state.top_field_first;
-
- if (frame->field_index & 1) {
- tff ^= 1;
- }
- if (tff) {
- GST_BUFFER_FLAG_SET (frame->src_buffer, GST_VIDEO_BUFFER_TFF);
- } else {
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_TFF);
- }
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_RFF);
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_ONEFIELD);
- if (frame->n_fields == 3) {
- GST_BUFFER_FLAG_SET (frame->src_buffer, GST_VIDEO_BUFFER_RFF);
- } else if (frame->n_fields == 1) {
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_VIDEO_BUFFER_ONEFIELD);
- }
- }
-
- GST_BUFFER_TIMESTAMP (frame->src_buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (frame->src_buffer) = frame->presentation_duration;
- GST_BUFFER_OFFSET (frame->src_buffer) = -1;
- GST_BUFFER_OFFSET_END (frame->src_buffer) = -1;
-
- GST_DEBUG ("pushing frame %lld", frame->presentation_timestamp);
-
- base_video_decoder->frames =
- g_list_remove (base_video_decoder->frames, frame);
-
- gst_base_video_decoder_set_src_caps (base_video_decoder);
-
- src_buffer = frame->src_buffer;
- frame->src_buffer = NULL;
-
- gst_base_video_decoder_free_frame (frame);
-
- if (base_video_decoder->sink_clipping) {
- gint64 start = GST_BUFFER_TIMESTAMP (src_buffer);
- gint64 stop = GST_BUFFER_TIMESTAMP (src_buffer) +
- GST_BUFFER_DURATION (src_buffer);
-
- if (gst_segment_clip (&base_video_decoder->state.segment, GST_FORMAT_TIME,
- start, stop, &start, &stop)) {
- GST_BUFFER_TIMESTAMP (src_buffer) = start;
- GST_BUFFER_DURATION (src_buffer) = stop - start;
- } else {
- GST_DEBUG ("dropping buffer outside segment");
- gst_buffer_unref (src_buffer);
- return GST_FLOW_OK;
- }
- }
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- src_buffer);
-}
-
-int
-gst_base_video_decoder_get_height (GstBaseVideoDecoder * base_video_decoder)
-{
- return base_video_decoder->state.height;
-}
-
-int
-gst_base_video_decoder_get_width (GstBaseVideoDecoder * base_video_decoder)
-{
- return base_video_decoder->state.width;
-}
-
-GstFlowReturn
-gst_base_video_decoder_end_of_stream (GstBaseVideoDecoder * base_video_decoder,
- GstBuffer * buffer)
-{
-
- if (base_video_decoder->frames) {
- GST_DEBUG ("EOS with frames left over");
- }
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder),
- buffer);
-}
-
-void
-gst_base_video_decoder_add_to_frame (GstBaseVideoDecoder * base_video_decoder,
- int n_bytes)
-{
- GstBuffer *buf;
-
- GST_DEBUG ("add to frame");
-
-#if 0
- if (gst_adapter_available (base_video_decoder->output_adapter) == 0) {
- GstBuffer *buffer;
-
- buffer =
- gst_adapter_get_orig_buffer_at_offset
- (base_video_decoder->input_adapter, 0);
- if (buffer) {
- base_video_decoder->current_frame->presentation_timestamp =
- GST_BUFFER_TIMESTAMP (buffer);
- gst_buffer_unref (buffer);
- }
- }
-#endif
-
- if (n_bytes == 0)
- return;
-
- buf = gst_adapter_take_buffer (base_video_decoder->input_adapter, n_bytes);
-
- gst_adapter_push (base_video_decoder->output_adapter, buf);
-}
-
-static guint64
-gst_base_video_decoder_get_timestamp (GstBaseVideoDecoder * base_video_decoder,
- int picture_number)
-{
- if (base_video_decoder->state.fps_d == 0) {
- return -1;
- }
- if (picture_number < base_video_decoder->base_picture_number) {
- return base_video_decoder->timestamp_offset -
- (gint64) gst_util_uint64_scale (base_video_decoder->base_picture_number
- - picture_number, base_video_decoder->state.fps_d * GST_SECOND,
- base_video_decoder->state.fps_n);
- } else {
- return base_video_decoder->timestamp_offset +
- gst_util_uint64_scale (picture_number -
- base_video_decoder->base_picture_number,
- base_video_decoder->state.fps_d * GST_SECOND,
- base_video_decoder->state.fps_n);
- }
-}
-
-static guint64
-gst_base_video_decoder_get_field_timestamp (GstBaseVideoDecoder *
- base_video_decoder, int field_offset)
-{
- if (base_video_decoder->state.fps_d == 0) {
- return GST_CLOCK_TIME_NONE;
- }
- if (field_offset < 0) {
- GST_WARNING ("field offset < 0");
- return GST_CLOCK_TIME_NONE;
- }
- return base_video_decoder->timestamp_offset +
- gst_util_uint64_scale (field_offset,
- base_video_decoder->state.fps_d * GST_SECOND,
- base_video_decoder->state.fps_n * 2);
-}
-
-
-GstFlowReturn
-gst_base_video_decoder_have_frame (GstBaseVideoDecoder * base_video_decoder)
-{
- GstVideoFrame *frame = base_video_decoder->current_frame;
- GstBuffer *buffer;
- GstBaseVideoDecoderClass *base_video_decoder_class;
- GstFlowReturn ret = GST_FLOW_OK;
- int n_available;
-
- GST_DEBUG ("have_frame");
-
- base_video_decoder_class =
- GST_BASE_VIDEO_DECODER_GET_CLASS (base_video_decoder);
-
- n_available = gst_adapter_available (base_video_decoder->output_adapter);
- if (n_available) {
- buffer = gst_adapter_take_buffer (base_video_decoder->output_adapter,
- n_available);
- } else {
- buffer = gst_buffer_new_and_alloc (0);
- }
-
- frame->distance_from_sync = base_video_decoder->distance_from_sync;
- base_video_decoder->distance_from_sync++;
-
-#if 0
- if (frame->presentation_timestamp == GST_CLOCK_TIME_NONE) {
- frame->presentation_timestamp =
- gst_base_video_decoder_get_timestamp (base_video_decoder,
- frame->presentation_frame_number);
- frame->presentation_duration =
- gst_base_video_decoder_get_timestamp (base_video_decoder,
- frame->presentation_frame_number + 1) - frame->presentation_timestamp;
- frame->decode_timestamp =
- gst_base_video_decoder_get_timestamp (base_video_decoder,
- frame->decode_frame_number);
- }
-#endif
-
-#if 0
- GST_BUFFER_TIMESTAMP (buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (buffer) = frame->presentation_duration;
- if (frame->decode_frame_number < 0) {
- GST_BUFFER_OFFSET (buffer) = 0;
- } else {
- GST_BUFFER_OFFSET (buffer) = frame->decode_timestamp;
- }
- GST_BUFFER_OFFSET_END (buffer) = GST_CLOCK_TIME_NONE;
-#endif
-
- GST_DEBUG ("pts %" GST_TIME_FORMAT,
- GST_TIME_ARGS (frame->presentation_timestamp));
- GST_DEBUG ("dts %" GST_TIME_FORMAT, GST_TIME_ARGS (frame->decode_timestamp));
- GST_DEBUG ("dist %d", frame->distance_from_sync);
-
- if (frame->is_sync_point) {
- GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- } else {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- }
- if (base_video_decoder->discont) {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
- base_video_decoder->discont = FALSE;
- }
-
- frame->sink_buffer = buffer;
-
- base_video_decoder->frames = g_list_append (base_video_decoder->frames,
- frame);
-
- /* do something with frame */
- ret = base_video_decoder_class->handle_frame (base_video_decoder, frame);
- if (!GST_FLOW_IS_SUCCESS (ret)) {
- GST_DEBUG ("flow error!");
- }
-
- /* create new frame */
- base_video_decoder->current_frame =
- gst_base_video_decoder_new_frame (base_video_decoder);
-
- return ret;
-}
-
-GstVideoState *
-gst_base_video_decoder_get_state (GstBaseVideoDecoder * base_video_decoder)
-{
- return &base_video_decoder->state;
-
-}
-
-void
-gst_base_video_decoder_set_state (GstBaseVideoDecoder * base_video_decoder,
- GstVideoState * state)
-{
- memcpy (&base_video_decoder->state, state, sizeof (*state));
-
-}
-
-void
-gst_base_video_decoder_lost_sync (GstBaseVideoDecoder * base_video_decoder)
-{
- g_return_if_fail (GST_IS_BASE_VIDEO_DECODER (base_video_decoder));
-
- GST_DEBUG ("lost_sync");
-
- if (gst_adapter_available (base_video_decoder->input_adapter) >= 1) {
- gst_adapter_flush (base_video_decoder->input_adapter, 1);
- }
-
- base_video_decoder->have_sync = FALSE;
-}
-
-void
-gst_base_video_decoder_set_sync_point (GstBaseVideoDecoder * base_video_decoder)
-{
- GST_DEBUG ("set_sync_point");
-
- base_video_decoder->current_frame->is_sync_point = TRUE;
- base_video_decoder->distance_from_sync = 0;
-
- base_video_decoder->current_frame->presentation_timestamp =
- base_video_decoder->last_sink_timestamp;
-
-
-}
-
-GstVideoFrame *
-gst_base_video_decoder_get_frame (GstBaseVideoDecoder * base_video_decoder,
- int frame_number)
-{
- GList *g;
-
- for (g = g_list_first (base_video_decoder->frames); g; g = g_list_next (g)) {
- GstVideoFrame *frame = g->data;
-
- if (frame->system_frame_number == frame_number) {
- return frame;
- }
- }
-
- return NULL;
-}
-
-void
-gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder * base_video_decoder)
-{
- GstCaps *caps;
- GstVideoState *state = &base_video_decoder->state;
-
- if (base_video_decoder->have_src_caps)
- return;
-
- caps = gst_video_format_new_caps (state->format,
- state->width, state->height,
- state->fps_n, state->fps_d, state->par_n, state->par_d);
- gst_caps_set_simple (caps, "interlaced",
- G_TYPE_BOOLEAN, state->interlaced, NULL);
-
- GST_DEBUG ("setting caps %" GST_PTR_FORMAT, caps);
-
- gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_decoder), caps);
-
- base_video_decoder->have_src_caps = TRUE;
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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_BASE_VIDEO_DECODER_H_
-#define _GST_BASE_VIDEO_DECODER_H_
-
-#include <gst/video/gstbasevideocodec.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_BASE_VIDEO_DECODER \
- (gst_base_video_decoder_get_type())
-#define GST_BASE_VIDEO_DECODER(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoder))
-#define GST_BASE_VIDEO_DECODER_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass))
-#define GST_BASE_VIDEO_DECODER_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_DECODER,GstBaseVideoDecoderClass))
-#define GST_IS_BASE_VIDEO_DECODER(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_DECODER))
-#define GST_IS_BASE_VIDEO_DECODER_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_DECODER))
-
-/**
- * GST_BASE_VIDEO_DECODER_SINK_NAME:
- *
- * The name of the templates for the sink pad.
- */
-#define GST_BASE_VIDEO_DECODER_SINK_NAME "sink"
-/**
- * GST_BASE_VIDEO_DECODER_SRC_NAME:
- *
- * The name of the templates for the source pad.
- */
-#define GST_BASE_VIDEO_DECODER_SRC_NAME "src"
-
-/**
- * GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA:
- *
- * Custom GstFlowReturn value indicating that more data is needed.
- */
-#define GST_BASE_VIDEO_DECODER_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
-
-
-typedef struct _GstBaseVideoDecoder GstBaseVideoDecoder;
-typedef struct _GstBaseVideoDecoderClass GstBaseVideoDecoderClass;
-
-struct _GstBaseVideoDecoder
-{
- GstBaseVideoCodec base_video_codec;
-
- /*< private >*/
- GstAdapter *input_adapter;
- GstAdapter *output_adapter;
-
- GList *frames;
-
- gboolean have_sync;
- gboolean discont;
- gboolean started;
-
- GstVideoState state;
-
- gboolean sink_clipping;
-
- guint64 presentation_frame_number;
- guint64 system_frame_number;
-
- GstCaps *caps;
- gboolean have_src_caps;
-
- GstVideoFrame *current_frame;
-
- int distance_from_sync;
- int reorder_depth;
-
- GstClockTime buffer_timestamp;
-
- GstClockTime timestamp_offset;
-
- gdouble proportion;
- GstClockTime earliest_time;
-
- GstBuffer *codec_data;
-
- guint64 offset;
- GstClockTime last_timestamp;
-
- GstClockTime last_sink_timestamp;
- GstClockTime last_sink_offset_end;
- guint64 base_picture_number;
-
- int field_index;
-};
-
-struct _GstBaseVideoDecoderClass
-{
- GstBaseVideoCodecClass base_video_codec_class;
-
- gboolean (*set_format) (GstBaseVideoDecoder *coder, GstVideoFormat,
- int width, int height, int fps_n, int fps_d,
- int par_n, int par_d);
- gboolean (*start) (GstBaseVideoDecoder *coder);
- gboolean (*stop) (GstBaseVideoDecoder *coder);
- gboolean (*reset) (GstBaseVideoDecoder *coder);
- int (*scan_for_sync) (GstBaseVideoDecoder *decoder, gboolean at_eos,
- int offset, int n);
- GstFlowReturn (*parse_data) (GstBaseVideoDecoder *decoder, gboolean at_eos);
- gboolean (*finish) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
- GstFlowReturn (*handle_frame) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
- GstFlowReturn (*shape_output) (GstBaseVideoDecoder *coder, GstVideoFrame *frame);
- GstCaps *(*get_caps) (GstBaseVideoDecoder *coder);
-
-};
-
-GType gst_base_video_decoder_get_type (void);
-
-int gst_base_video_decoder_get_width (GstBaseVideoDecoder *coder);
-int gst_base_video_decoder_get_height (GstBaseVideoDecoder *coder);
-
-guint64 gst_base_video_decoder_get_timestamp_offset (GstBaseVideoDecoder *coder);
-
-GstVideoFrame *gst_base_video_decoder_get_frame (GstBaseVideoDecoder *coder,
- int frame_number);
-void gst_base_video_decoder_add_to_frame (GstBaseVideoDecoder *base_video_decoder,
- int n_bytes);
-GstFlowReturn gst_base_video_decoder_finish_frame (GstBaseVideoDecoder *base_video_decoder,
- GstVideoFrame *frame);
-GstFlowReturn gst_base_video_decoder_end_of_stream (GstBaseVideoDecoder *base_video_decoder,
- GstBuffer *buffer);
-GstFlowReturn
-gst_base_video_decoder_have_frame (GstBaseVideoDecoder *base_video_decoder);
-GstVideoState * gst_base_video_decoder_get_state (GstBaseVideoDecoder *base_video_decoder);
-void gst_base_video_decoder_set_state (GstBaseVideoDecoder *base_video_decoder,
- GstVideoState *state);
-void gst_base_video_decoder_lost_sync (GstBaseVideoDecoder *base_video_decoder);
-void gst_base_video_decoder_set_sync_point (GstBaseVideoDecoder *base_video_decoder);
-
-void gst_base_video_decoder_set_src_caps (GstBaseVideoDecoder *base_video_decoder);
-
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideoencoder.h"
-#include "gstbasevideoutils.h"
-
-GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-static void gst_base_video_encoder_finalize (GObject * object);
-
-static gboolean gst_base_video_encoder_sink_setcaps (GstPad * pad,
- GstCaps * caps);
-static gboolean gst_base_video_encoder_sink_event (GstPad * pad,
- GstEvent * event);
-static GstFlowReturn gst_base_video_encoder_chain (GstPad * pad,
- GstBuffer * buf);
-static GstStateChangeReturn gst_base_video_encoder_change_state (GstElement *
- element, GstStateChange transition);
-static const GstQueryType *gst_base_video_encoder_get_query_types (GstPad *
- pad);
-static gboolean gst_base_video_encoder_src_query (GstPad * pad,
- GstQuery * query);
-
-static void
-_do_init (GType object_type)
-{
- const GInterfaceInfo preset_interface_info = {
- NULL, /* interface_init */
- NULL, /* interface_finalize */
- NULL /* interface_data */
- };
-
- g_type_add_interface_static (object_type, GST_TYPE_PRESET,
- &preset_interface_info);
-}
-
-GST_BOILERPLATE_FULL (GstBaseVideoEncoder, gst_base_video_encoder,
- GstBaseVideoCodec, GST_TYPE_BASE_VIDEO_CODEC, _do_init);
-
-static void
-gst_base_video_encoder_base_init (gpointer g_class)
-{
-
-}
-
-static void
-gst_base_video_encoder_class_init (GstBaseVideoEncoderClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *gstelement_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- gstelement_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_base_video_encoder_finalize;
-
- gstelement_class->change_state = gst_base_video_encoder_change_state;
-
- parent_class = g_type_class_peek_parent (klass);
-}
-
-static void
-gst_base_video_encoder_init (GstBaseVideoEncoder * base_video_encoder,
- GstBaseVideoEncoderClass * klass)
-{
- GstPad *pad;
-
- GST_DEBUG ("gst_base_video_encoder_init");
-
- pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_encoder);
-
- gst_pad_set_chain_function (pad, gst_base_video_encoder_chain);
- gst_pad_set_event_function (pad, gst_base_video_encoder_sink_event);
- gst_pad_set_setcaps_function (pad, gst_base_video_encoder_sink_setcaps);
-
- pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder);
-
- gst_pad_set_query_type_function (pad, gst_base_video_encoder_get_query_types);
- gst_pad_set_query_function (pad, gst_base_video_encoder_src_query);
-}
-
-static gboolean
-gst_base_video_encoder_sink_setcaps (GstPad * pad, GstCaps * caps)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *base_video_encoder_class;
-
- base_video_encoder = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
- base_video_encoder_class =
- GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
-
- GST_DEBUG ("setcaps");
-
- gst_base_video_state_from_caps (&base_video_encoder->state, caps);
-
- base_video_encoder_class->set_format (base_video_encoder,
- &base_video_encoder->state);
-
- base_video_encoder_class->start (base_video_encoder);
-
- g_object_unref (base_video_encoder);
-
- return TRUE;
-}
-
-static void
-gst_base_video_encoder_finalize (GObject * object)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *base_video_encoder_class;
-
- g_return_if_fail (GST_IS_BASE_VIDEO_ENCODER (object));
- base_video_encoder = GST_BASE_VIDEO_ENCODER (object);
- base_video_encoder_class = GST_BASE_VIDEO_ENCODER_GET_CLASS (object);
-
- GST_DEBUG ("finalize");
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static gboolean
-gst_base_video_encoder_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *base_video_encoder_class;
- gboolean ret = FALSE;
-
- base_video_encoder = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
- base_video_encoder_class =
- GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_EOS:
- {
- GstVideoFrame *frame;
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
- frame->presentation_frame_number =
- base_video_encoder->presentation_frame_number;
- frame->presentation_duration = 0;
- frame->is_eos = TRUE;
- base_video_encoder->presentation_frame_number++;
-
- base_video_encoder->frames =
- g_list_append (base_video_encoder->frames, frame);
- base_video_encoder_class->finish (base_video_encoder, frame);
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- event);
- }
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- double rate;
- double applied_rate;
- GstFormat format;
- gint64 start;
- gint64 stop;
- gint64 position;
-
- gst_event_parse_new_segment_full (event, &update, &rate,
- &applied_rate, &format, &start, &stop, &position);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- GST_DEBUG ("new segment %lld %lld", start, position);
-
- gst_segment_set_newsegment_full (&base_video_encoder->state.segment,
- update, rate, applied_rate, format, start, stop, position);
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- event);
- }
- break;
- default:
- /* FIXME this changes the order of events */
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- event);
- break;
- }
-
-done:
- gst_object_unref (base_video_encoder);
- return ret;
-
-newseg_wrong_format:
- {
- GST_DEBUG_OBJECT (base_video_encoder, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
- }
-}
-
-static const GstQueryType *
-gst_base_video_encoder_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_CONVERT,
- GST_QUERY_LATENCY,
- 0
- };
-
- return query_types;
-}
-
-static gboolean
-gst_base_video_encoder_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoEncoder *enc;
- gboolean res;
- GstPad *peerpad;
-
- enc = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
- peerpad = gst_pad_get_peer (GST_BASE_VIDEO_CODEC_SINK_PAD (enc));
-
- switch GST_QUERY_TYPE
- (query) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res =
- gst_base_video_encoded_video_convert (&enc->state, src_fmt, src_val,
- &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- case GST_QUERY_LATENCY:
- {
- gboolean live;
- GstClockTime min_latency, max_latency;
-
- res = gst_pad_query (peerpad, query);
- if (res) {
- gst_query_parse_latency (query, &live, &min_latency, &max_latency);
-
- min_latency += enc->min_latency;
- if (max_latency != GST_CLOCK_TIME_NONE) {
- max_latency += enc->max_latency;
- }
-
- gst_query_set_latency (query, live, min_latency, max_latency);
- }
- }
- break;
- default:
- res = gst_pad_query_default (pad, query);
- }
- gst_object_unref (peerpad);
- gst_object_unref (enc);
- return res;
-
-error:
- GST_DEBUG_OBJECT (enc, "query failed");
- gst_object_unref (peerpad);
- gst_object_unref (enc);
- return res;
-}
-
-static gboolean
-gst_pad_is_negotiated (GstPad * pad)
-{
- GstCaps *caps;
-
- g_return_val_if_fail (pad != NULL, FALSE);
-
- caps = gst_pad_get_negotiated_caps (pad);
- if (caps) {
- gst_caps_unref (caps);
- return TRUE;
- }
-
- return FALSE;
-}
-
-static GstFlowReturn
-gst_base_video_encoder_chain (GstPad * pad, GstBuffer * buf)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *klass;
- GstVideoFrame *frame;
-
- if (!gst_pad_is_negotiated (pad)) {
- return GST_FLOW_NOT_NEGOTIATED;
- }
-
- base_video_encoder = GST_BASE_VIDEO_ENCODER (gst_pad_get_parent (pad));
- klass = GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
-
- if (base_video_encoder->sink_clipping) {
- gint64 start = GST_BUFFER_TIMESTAMP (buf);
- gint64 stop = start + GST_BUFFER_DURATION (buf);
- gint64 clip_start;
- gint64 clip_stop;
-
- if (!gst_segment_clip (&base_video_encoder->state.segment,
- GST_FORMAT_TIME, start, stop, &clip_start, &clip_stop)) {
- GST_DEBUG ("clipping to segment dropped frame");
- goto done;
- }
- }
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
- frame->sink_buffer = buf;
- frame->presentation_timestamp = GST_BUFFER_TIMESTAMP (buf);
- frame->presentation_duration = GST_BUFFER_DURATION (buf);
- frame->presentation_frame_number =
- base_video_encoder->presentation_frame_number;
- base_video_encoder->presentation_frame_number++;
-
- base_video_encoder->frames =
- g_list_append (base_video_encoder->frames, frame);
-
- klass->handle_frame (base_video_encoder, frame);
-
-done:
- g_object_unref (base_video_encoder);
-
- return GST_FLOW_OK;
-}
-
-static GstStateChangeReturn
-gst_base_video_encoder_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseVideoEncoder *base_video_encoder;
- GstBaseVideoEncoderClass *base_video_encoder_class;
- GstStateChangeReturn ret;
-
- base_video_encoder = GST_BASE_VIDEO_ENCODER (element);
- base_video_encoder_class = GST_BASE_VIDEO_ENCODER_GET_CLASS (element);
-
- switch (transition) {
- default:
- break;
- }
-
- ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
-
- switch (transition) {
- case GST_STATE_CHANGE_PAUSED_TO_READY:
- if (base_video_encoder_class->stop) {
- base_video_encoder_class->stop (base_video_encoder);
- }
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-GstFlowReturn
-gst_base_video_encoder_finish_frame (GstBaseVideoEncoder * base_video_encoder,
- GstVideoFrame * frame)
-{
- GstFlowReturn ret;
- GstBaseVideoEncoderClass *base_video_encoder_class;
-
- base_video_encoder_class =
- GST_BASE_VIDEO_ENCODER_GET_CLASS (base_video_encoder);
-
- frame->system_frame_number = base_video_encoder->system_frame_number;
- base_video_encoder->system_frame_number++;
-
- if (frame->is_sync_point) {
- base_video_encoder->distance_from_sync = 0;
- GST_BUFFER_FLAG_UNSET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- } else {
- GST_BUFFER_FLAG_SET (frame->src_buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- }
-
- frame->distance_from_sync = base_video_encoder->distance_from_sync;
- base_video_encoder->distance_from_sync++;
-
- frame->decode_frame_number = frame->system_frame_number - 1;
- if (frame->decode_frame_number < 0) {
- frame->decode_timestamp = 0;
- } else {
- frame->decode_timestamp = gst_util_uint64_scale (frame->decode_frame_number,
- GST_SECOND * base_video_encoder->state.fps_d,
- base_video_encoder->state.fps_n);
- }
-
- GST_BUFFER_TIMESTAMP (frame->src_buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (frame->src_buffer) = frame->presentation_duration;
- GST_BUFFER_OFFSET (frame->src_buffer) = frame->decode_timestamp;
-
- base_video_encoder->frames =
- g_list_remove (base_video_encoder->frames, frame);
-
- if (!base_video_encoder->set_output_caps) {
- GstCaps *caps;
-
- if (base_video_encoder_class->get_caps) {
- caps = base_video_encoder_class->get_caps (base_video_encoder);
- } else {
- caps = gst_caps_new_simple ("video/unknown", NULL);
- }
- base_video_encoder->caps = gst_caps_ref (caps);
- gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder), caps);
- base_video_encoder->set_output_caps = TRUE;
- }
-
- if (base_video_encoder_class->shape_output) {
- ret = base_video_encoder_class->shape_output (base_video_encoder, frame);
- } else {
- ret =
- gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- frame->src_buffer);
- }
-
- g_free (frame);
-
- return ret;
-}
-
-int
-gst_base_video_encoder_get_height (GstBaseVideoEncoder * base_video_encoder)
-{
- return base_video_encoder->state.height;
-}
-
-int
-gst_base_video_encoder_get_width (GstBaseVideoEncoder * base_video_encoder)
-{
- return base_video_encoder->state.width;
-}
-
-const GstVideoState *
-gst_base_video_encoder_get_state (GstBaseVideoEncoder * base_video_encoder)
-{
- return &base_video_encoder->state;
-}
-
-GstFlowReturn
-gst_base_video_encoder_end_of_stream (GstBaseVideoEncoder * base_video_encoder,
- GstBuffer * buffer)
-{
-
- if (base_video_encoder->frames) {
- GST_WARNING ("EOS with frames left over");
- }
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_encoder),
- buffer);
-}
-
-void
-gst_base_video_encoder_set_latency (GstBaseVideoEncoder * base_video_encoder,
- GstClockTime min_latency, GstClockTime max_latency)
-{
- g_return_if_fail (min_latency >= 0);
- g_return_if_fail (max_latency >= min_latency);
-
- base_video_encoder->min_latency = min_latency;
- base_video_encoder->max_latency = max_latency;
-}
-
-void
-gst_base_video_encoder_set_latency_fields (GstBaseVideoEncoder *
- base_video_encoder, int n_fields)
-{
- gint64 latency;
-
- latency = gst_util_uint64_scale (n_fields,
- base_video_encoder->state.fps_d * GST_SECOND,
- 2 * base_video_encoder->state.fps_n);
-
- gst_base_video_encoder_set_latency (base_video_encoder, latency, latency);
-
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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_BASE_VIDEO_ENCODER_H_
-#define _GST_BASE_VIDEO_ENCODER_H_
-
-#include <gst/video/gstbasevideocodec.h>
-#include <gst/video/gstbasevideoutils.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_BASE_VIDEO_ENCODER \
- (gst_base_video_encoder_get_type())
-#define GST_BASE_VIDEO_ENCODER(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoder))
-#define GST_BASE_VIDEO_ENCODER_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoderClass))
-#define GST_BASE_VIDEO_ENCODER_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_ENCODER,GstBaseVideoEncoderClass))
-#define GST_IS_BASE_VIDEO_ENCODER(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_ENCODER))
-#define GST_IS_BASE_VIDEO_ENCODER_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_ENCODER))
-
-/**
- * GST_BASE_VIDEO_ENCODER_SINK_NAME:
- *
- * The name of the templates for the sink pad.
- */
-#define GST_BASE_VIDEO_ENCODER_SINK_NAME "sink"
-/**
- * GST_BASE_VIDEO_ENCODER_SRC_NAME:
- *
- * The name of the templates for the source pad.
- */
-#define GST_BASE_VIDEO_ENCODER_SRC_NAME "src"
-
-
-typedef struct _GstBaseVideoEncoder GstBaseVideoEncoder;
-typedef struct _GstBaseVideoEncoderClass GstBaseVideoEncoderClass;
-
-struct _GstBaseVideoEncoder
-{
- GstBaseVideoCodec base_video_codec;
-
- /*< private >*/
- GList *frames;
-
- GstVideoState state;
-
- gboolean sink_clipping;
-
- guint64 presentation_frame_number;
- guint64 system_frame_number;
- int distance_from_sync;
-
- GstCaps *caps;
- gboolean set_output_caps;
-
- gint64 min_latency;
- gint64 max_latency;
-};
-
-struct _GstBaseVideoEncoderClass
-{
- GstBaseVideoCodecClass base_video_codec_class;
-
- gboolean (*set_format) (GstBaseVideoEncoder *coder, GstVideoState *state);
- gboolean (*start) (GstBaseVideoEncoder *coder);
- gboolean (*stop) (GstBaseVideoEncoder *coder);
- gboolean (*finish) (GstBaseVideoEncoder *coder, GstVideoFrame *frame);
- gboolean (*handle_frame) (GstBaseVideoEncoder *coder, GstVideoFrame *frame);
- GstFlowReturn (*shape_output) (GstBaseVideoEncoder *coder, GstVideoFrame *frame);
- GstCaps *(*get_caps) (GstBaseVideoEncoder *coder);
-
-};
-
-GType gst_base_video_encoder_get_type (void);
-
-int gst_base_video_encoder_get_width (GstBaseVideoEncoder *coder);
-int gst_base_video_encoder_get_height (GstBaseVideoEncoder *coder);
-const GstVideoState *gst_base_video_encoder_get_state (GstBaseVideoEncoder *coder);
-
-guint64 gst_base_video_encoder_get_timestamp_offset (GstBaseVideoEncoder *coder);
-
-GstVideoFrame *gst_base_video_encoder_get_frame (GstBaseVideoEncoder *coder,
- int frame_number);
-GstFlowReturn gst_base_video_encoder_finish_frame (GstBaseVideoEncoder *base_video_encoder,
- GstVideoFrame *frame);
-GstFlowReturn gst_base_video_encoder_end_of_stream (GstBaseVideoEncoder *base_video_encoder,
- GstBuffer *buffer);
-
-void gst_base_video_encoder_set_latency (GstBaseVideoEncoder *base_video_encoder,
- GstClockTime min_latency, GstClockTime max_latency);
-void gst_base_video_encoder_set_latency_fields (GstBaseVideoEncoder *base_video_encoder,
- int n_fields);
-
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/* Schrodinger
- * Copyright (C) 2006 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideoparse.h"
-
-#include <string.h>
-#include <math.h>
-
-GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-
-
-/* GstBaseVideoParse signals and args */
-enum
-{
- LAST_SIGNAL
-};
-
-enum
-{
- ARG_0
-};
-
-static void gst_base_video_parse_finalize (GObject * object);
-
-static const GstQueryType *gst_base_video_parse_get_query_types (GstPad * pad);
-static gboolean gst_base_video_parse_src_query (GstPad * pad, GstQuery * query);
-static gboolean gst_base_video_parse_sink_query (GstPad * pad,
- GstQuery * query);
-static gboolean gst_base_video_parse_src_event (GstPad * pad, GstEvent * event);
-static gboolean gst_base_video_parse_sink_event (GstPad * pad,
- GstEvent * event);
-static GstStateChangeReturn gst_base_video_parse_change_state (GstElement *
- element, GstStateChange transition);
-static GstFlowReturn gst_base_video_parse_push_all (GstBaseVideoParse *
- base_video_parse, gboolean at_eos);
-static GstFlowReturn gst_base_video_parse_chain (GstPad * pad, GstBuffer * buf);
-static void gst_base_video_parse_free_frame (GstVideoFrame * frame);
-static GstVideoFrame *gst_base_video_parse_new_frame (GstBaseVideoParse *
- base_video_parse);
-
-
-GST_BOILERPLATE (GstBaseVideoParse, gst_base_video_parse,
- GstBaseVideoCodec, GST_TYPE_BASE_VIDEO_CODEC);
-
-static void
-gst_base_video_parse_base_init (gpointer g_class)
-{
-
-}
-
-static void
-gst_base_video_parse_class_init (GstBaseVideoParseClass * klass)
-{
- GObjectClass *gobject_class;
- GstElementClass *element_class;
-
- gobject_class = G_OBJECT_CLASS (klass);
- element_class = GST_ELEMENT_CLASS (klass);
-
- gobject_class->finalize = gst_base_video_parse_finalize;
-
- element_class->change_state = gst_base_video_parse_change_state;
-}
-
-static void
-gst_base_video_parse_init (GstBaseVideoParse * base_video_parse,
- GstBaseVideoParseClass * klass)
-{
- GstPad *pad;
-
- GST_DEBUG ("gst_base_video_parse_init");
-
- pad = GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse);
-
- gst_pad_set_chain_function (pad, gst_base_video_parse_chain);
- gst_pad_set_query_function (pad, gst_base_video_parse_sink_query);
- gst_pad_set_event_function (pad, gst_base_video_parse_sink_event);
-
- pad = GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse);
-
- gst_pad_set_query_type_function (pad, gst_base_video_parse_get_query_types);
- gst_pad_set_query_function (pad, gst_base_video_parse_src_query);
- gst_pad_set_event_function (pad, gst_base_video_parse_src_event);
-
- base_video_parse->input_adapter = gst_adapter_new ();
- base_video_parse->output_adapter = gst_adapter_new ();
-
- base_video_parse->reorder_depth = 1;
-
- base_video_parse->current_frame =
- gst_base_video_parse_new_frame (base_video_parse);
-}
-
-static void
-gst_base_video_parse_reset (GstBaseVideoParse * base_video_parse)
-{
- GST_DEBUG ("reset");
-
- base_video_parse->discont = TRUE;
- base_video_parse->have_sync = FALSE;
-
- base_video_parse->system_frame_number = 0;
- base_video_parse->presentation_frame_number = 0;
-
- if (base_video_parse->caps) {
- gst_caps_unref (base_video_parse->caps);
- base_video_parse->caps = NULL;
- }
-
- gst_segment_init (&base_video_parse->state.segment, GST_FORMAT_TIME);
- gst_adapter_clear (base_video_parse->input_adapter);
- gst_adapter_clear (base_video_parse->output_adapter);
-
- if (base_video_parse->current_frame) {
- gst_base_video_parse_free_frame (base_video_parse->current_frame);
- }
- base_video_parse->current_frame =
- gst_base_video_parse_new_frame (base_video_parse);
-
-}
-
-static void
-gst_base_video_parse_finalize (GObject * object)
-{
- GstBaseVideoParse *base_video_parse;
-
- g_return_if_fail (GST_IS_BASE_VIDEO_PARSE (object));
- base_video_parse = GST_BASE_VIDEO_PARSE (object);
-
- if (base_video_parse->input_adapter) {
- g_object_unref (base_video_parse->input_adapter);
- }
- if (base_video_parse->output_adapter) {
- g_object_unref (base_video_parse->output_adapter);
- }
-
- G_OBJECT_CLASS (parent_class)->finalize (object);
-}
-
-static const GstQueryType *
-gst_base_video_parse_get_query_types (GstPad * pad)
-{
- static const GstQueryType query_types[] = {
- GST_QUERY_POSITION,
- GST_QUERY_DURATION,
- GST_QUERY_CONVERT,
- 0
- };
-
- return query_types;
-}
-
-#if 0
-static gboolean
-gst_base_video_parse_src_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res;
- GstBaseVideoParse *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
- if (dec->fps_d != 0) {
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- dec->fps_d * GST_SECOND, dec->fps_n);
- res = TRUE;
- } else {
- res = FALSE;
- }
- } else {
- GST_WARNING ("unhandled conversion from %d to %d", src_format,
- *dest_format);
- res = FALSE;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-
-static gboolean
-gst_base_video_parse_sink_convert (GstPad * pad,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = TRUE;
- GstBaseVideoParse *dec;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- dec = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- /* FIXME: check if we are in a decoding state */
-
- switch (src_format) {
- case GST_FORMAT_DEFAULT:
- switch (*dest_format) {
- case GST_FORMAT_TIME:
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_d * GST_SECOND, dec->fps_n);
- break;
- default:
- res = FALSE;
- }
- break;
- case GST_FORMAT_TIME:
- switch (*dest_format) {
- case GST_FORMAT_DEFAULT:
- {
- *dest_value = gst_util_uint64_scale (src_value,
- dec->fps_n, dec->fps_d * GST_SECOND);
- break;
- }
- default:
- res = FALSE;
- break;
- }
- break;
- default:
- res = FALSE;
- break;
- }
-
- gst_object_unref (dec);
-
- return res;
-}
-#endif
-
-static gboolean
-gst_base_video_parse_src_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoParse *base_parse;
- gboolean res = FALSE;
-
- base_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_POSITION:
- {
- GstFormat format;
- gint64 time;
- gint64 value;
-
- gst_query_parse_position (query, &format, NULL);
-
- time = gst_util_uint64_scale (base_parse->presentation_frame_number,
- base_parse->state.fps_n, base_parse->state.fps_d);
- time += base_parse->state.segment.time;
- GST_DEBUG ("query position %lld", time);
- res = gst_base_video_encoded_video_convert (&base_parse->state,
- GST_FORMAT_TIME, time, &format, &value);
- if (!res)
- goto error;
-
- gst_query_set_position (query, format, value);
- break;
- }
- case GST_QUERY_DURATION:
- res =
- gst_pad_query (GST_PAD_PEER (GST_BASE_VIDEO_CODEC_SINK_PAD
- (base_parse)), query);
- if (!res)
- goto error;
- break;
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- GST_WARNING ("query convert");
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_parse->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_parse);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_parse, "query failed");
- goto done;
-}
-
-static gboolean
-gst_base_video_parse_sink_query (GstPad * pad, GstQuery * query)
-{
- GstBaseVideoParse *base_video_parse;
- gboolean res = FALSE;
-
- base_video_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_QUERY_TYPE (query)) {
- case GST_QUERY_CONVERT:
- {
- GstFormat src_fmt, dest_fmt;
- gint64 src_val, dest_val;
-
- gst_query_parse_convert (query, &src_fmt, &src_val, &dest_fmt, &dest_val);
- res = gst_base_video_encoded_video_convert (&base_video_parse->state,
- src_fmt, src_val, &dest_fmt, &dest_val);
- if (!res)
- goto error;
- gst_query_set_convert (query, src_fmt, src_val, dest_fmt, dest_val);
- break;
- }
- default:
- res = gst_pad_query_default (pad, query);
- break;
- }
-done:
- gst_object_unref (base_video_parse);
-
- return res;
-error:
- GST_DEBUG_OBJECT (base_video_parse, "query failed");
- goto done;
-}
-
-static gboolean
-gst_base_video_parse_src_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoParse *base_video_parse;
- gboolean res = FALSE;
-
- base_video_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_SEEK:
- {
- GstFormat format, tformat;
- gdouble rate;
- GstEvent *real_seek;
- GstSeekFlags flags;
- GstSeekType cur_type, stop_type;
- gint64 cur, stop;
- gint64 tcur, tstop;
-
- gst_event_parse_seek (event, &rate, &format, &flags, &cur_type,
- &cur, &stop_type, &stop);
- gst_event_unref (event);
-
- tformat = GST_FORMAT_TIME;
- res = gst_base_video_encoded_video_convert (&base_video_parse->state,
- format, cur, &tformat, &tcur);
- if (!res)
- goto convert_error;
- res = gst_base_video_encoded_video_convert (&base_video_parse->state,
- format, stop, &tformat, &tstop);
- if (!res)
- goto convert_error;
-
- real_seek = gst_event_new_seek (rate, GST_FORMAT_TIME,
- flags, cur_type, tcur, stop_type, tstop);
-
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse),
- real_seek);
-
- break;
- }
-#if 0
- case GST_EVENT_QOS:
- {
- gdouble proportion;
- GstClockTimeDiff diff;
- GstClockTime timestamp;
-
- gst_event_parse_qos (event, &proportion, &diff, ×tamp);
-
- GST_OBJECT_LOCK (base_video_parse);
- base_video_parse->proportion = proportion;
- base_video_parse->earliest_time = timestamp + diff;
- GST_OBJECT_UNLOCK (base_video_parse);
-
- GST_DEBUG_OBJECT (base_video_parse,
- "got QoS %" GST_TIME_FORMAT ", %" G_GINT64_FORMAT,
- GST_TIME_ARGS (timestamp), diff);
-
- res = gst_pad_push_event (base_video_parse->sinkpad, event);
- break;
- }
-#endif
- default:
- res =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SINK_PAD (base_video_parse),
- event);
- break;
- }
-done:
- gst_object_unref (base_video_parse);
- return res;
-
-convert_error:
- GST_DEBUG_OBJECT (base_video_parse, "could not convert format");
- goto done;
-}
-
-static gboolean
-gst_base_video_parse_sink_event (GstPad * pad, GstEvent * event)
-{
- GstBaseVideoParse *base_video_parse;
- gboolean ret = FALSE;
-
- base_video_parse = GST_BASE_VIDEO_PARSE (gst_pad_get_parent (pad));
-
- switch (GST_EVENT_TYPE (event)) {
- case GST_EVENT_FLUSH_START:
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- case GST_EVENT_FLUSH_STOP:
- gst_base_video_parse_reset (base_video_parse);
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- case GST_EVENT_EOS:
- if (gst_base_video_parse_push_all (base_video_parse,
- FALSE) == GST_FLOW_ERROR) {
- gst_event_unref (event);
- return FALSE;
- }
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- case GST_EVENT_NEWSEGMENT:
- {
- gboolean update;
- GstFormat format;
- gdouble rate;
- gint64 start, stop, time;
-
- gst_event_parse_new_segment (event, &update, &rate, &format, &start,
- &stop, &time);
-
- if (format != GST_FORMAT_TIME)
- goto newseg_wrong_format;
-
- if (rate <= 0.0)
- goto newseg_wrong_rate;
-
- GST_DEBUG ("newsegment %lld %lld", start, time);
- gst_segment_set_newsegment (&base_video_parse->state.segment, update,
- rate, format, start, stop, time);
-
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- }
- default:
- ret =
- gst_pad_push_event (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- event);
- break;
- }
-done:
- gst_object_unref (base_video_parse);
- return ret;
-
-newseg_wrong_format:
- GST_DEBUG_OBJECT (base_video_parse, "received non TIME newsegment");
- gst_event_unref (event);
- goto done;
-
-newseg_wrong_rate:
- GST_DEBUG_OBJECT (base_video_parse, "negative rates not supported");
- gst_event_unref (event);
- goto done;
-}
-
-
-static GstStateChangeReturn
-gst_base_video_parse_change_state (GstElement * element,
- GstStateChange transition)
-{
- GstBaseVideoParse *base_parse = GST_BASE_VIDEO_PARSE (element);
- GstStateChangeReturn ret;
-
- switch (transition) {
- case GST_STATE_CHANGE_NULL_TO_READY:
- break;
- case GST_STATE_CHANGE_READY_TO_PAUSED:
- gst_base_video_parse_reset (base_parse);
- break;
- case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
- 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_base_video_parse_reset (base_parse);
- break;
- case GST_STATE_CHANGE_READY_TO_NULL:
- break;
- default:
- break;
- }
-
- return ret;
-}
-
-static guint64
-gst_base_video_parse_get_timestamp (GstBaseVideoParse * base_video_parse,
- int picture_number)
-{
- if (picture_number < 0) {
- return base_video_parse->timestamp_offset -
- (gint64) gst_util_uint64_scale (-picture_number,
- base_video_parse->state.fps_d * GST_SECOND,
- base_video_parse->state.fps_n);
- } else {
- return base_video_parse->timestamp_offset +
- gst_util_uint64_scale (picture_number,
- base_video_parse->state.fps_d * GST_SECOND,
- base_video_parse->state.fps_n);
- }
-}
-
-static GstFlowReturn
-gst_base_video_parse_push_all (GstBaseVideoParse * base_video_parse,
- gboolean at_eos)
-{
- GstFlowReturn ret = GST_FLOW_OK;
-
- /* FIXME do stuff */
-
- return ret;
-}
-
-static GstBuffer *
-gst_adapter_get_buffer (GstAdapter * adapter)
-{
- return gst_buffer_ref (GST_BUFFER (adapter->buflist->data));
-
-}
-
-static GstFlowReturn
-gst_base_video_parse_chain (GstPad * pad, GstBuffer * buf)
-{
- GstBaseVideoParse *base_video_parse;
- GstBaseVideoParseClass *klass;
- GstBuffer *buffer;
- GstFlowReturn ret;
-
- GST_DEBUG ("chain with %d bytes", GST_BUFFER_SIZE (buf));
-
- base_video_parse = GST_BASE_VIDEO_PARSE (GST_PAD_PARENT (pad));
- klass = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
-
- if (!base_video_parse->started) {
- klass->start (base_video_parse);
- base_video_parse->started = TRUE;
- }
-
- if (G_UNLIKELY (GST_BUFFER_FLAG_IS_SET (buf, GST_BUFFER_FLAG_DISCONT))) {
- GST_DEBUG_OBJECT (base_video_parse, "received DISCONT buffer");
- gst_base_video_parse_reset (base_video_parse);
- base_video_parse->discont = TRUE;
- base_video_parse->have_sync = FALSE;
- }
-
- if (GST_BUFFER_TIMESTAMP (buf) != GST_CLOCK_TIME_NONE) {
- base_video_parse->last_timestamp = GST_BUFFER_TIMESTAMP (buf);
- }
- gst_adapter_push (base_video_parse->input_adapter, buf);
-
- if (!base_video_parse->have_sync) {
- int n, m;
-
- GST_DEBUG ("no sync, scanning");
-
- n = gst_adapter_available (base_video_parse->input_adapter);
- m = klass->scan_for_sync (base_video_parse->input_adapter, FALSE, 0, n);
-
- gst_adapter_flush (base_video_parse->input_adapter, m);
-
- if (m < n) {
- GST_DEBUG ("found possible sync after %d bytes (of %d)", m, n);
-
- /* this is only "maybe" sync */
- base_video_parse->have_sync = TRUE;
- }
-
- if (!base_video_parse->have_sync) {
- return GST_FLOW_OK;
- }
- }
-
- /* FIXME: use gst_adapter_prev_timestamp() here instead? */
- buffer = gst_adapter_get_buffer (base_video_parse->input_adapter);
-
- gst_buffer_unref (buffer);
-
- /* FIXME check klass->parse_data */
-
- do {
- ret = klass->parse_data (base_video_parse, FALSE);
- } while (ret == GST_FLOW_OK);
-
- if (ret == GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA) {
- return GST_FLOW_OK;
- }
- return ret;
-}
-
-GstVideoState *
-gst_base_video_parse_get_state (GstBaseVideoParse * base_video_parse)
-{
- return &base_video_parse->state;
-}
-
-void
-gst_base_video_parse_set_state (GstBaseVideoParse * base_video_parse,
- GstVideoState * state)
-{
- GST_DEBUG ("set_state");
-
- memcpy (&base_video_parse->state, state, sizeof (GstVideoState));
-
- /* FIXME set caps */
-
-}
-
-
-gboolean
-gst_base_video_parse_set_src_caps (GstBaseVideoParse * base_video_parse,
- GstCaps * caps)
-{
- g_return_val_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse), FALSE);
-
- GST_DEBUG ("set_src_caps");
-
- return gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- caps);
-}
-
-void
-gst_base_video_parse_lost_sync (GstBaseVideoParse * base_video_parse)
-{
- g_return_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse));
-
- GST_DEBUG ("lost_sync");
-
- if (gst_adapter_available (base_video_parse->input_adapter) >= 1) {
- gst_adapter_flush (base_video_parse->input_adapter, 1);
- }
-
- base_video_parse->have_sync = FALSE;
-}
-
-GstVideoFrame *
-gst_base_video_parse_get_frame (GstBaseVideoParse * base_video_parse)
-{
- g_return_val_if_fail (GST_IS_BASE_VIDEO_PARSE (base_video_parse), NULL);
-
- return base_video_parse->current_frame;
-}
-
-void
-gst_base_video_parse_add_to_frame (GstBaseVideoParse * base_video_parse,
- int n_bytes)
-{
- GstBuffer *buf;
-
- GST_DEBUG ("add_to_frame");
-
- buf = gst_adapter_take_buffer (base_video_parse->input_adapter, n_bytes);
-
- gst_adapter_push (base_video_parse->output_adapter, buf);
-}
-
-GstFlowReturn
-gst_base_video_parse_finish_frame (GstBaseVideoParse * base_video_parse)
-{
- GstVideoFrame *frame = base_video_parse->current_frame;
- GstBuffer *buffer;
- GstBaseVideoParseClass *base_video_parse_class;
- GstFlowReturn ret;
-
- GST_DEBUG ("finish_frame");
-
- base_video_parse_class = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
-
- buffer = gst_adapter_take_buffer (base_video_parse->output_adapter,
- gst_adapter_available (base_video_parse->output_adapter));
-
- if (frame->is_sync_point) {
- base_video_parse->timestamp_offset = base_video_parse->last_timestamp -
- gst_util_uint64_scale (frame->presentation_frame_number,
- base_video_parse->state.fps_d * GST_SECOND,
- base_video_parse->state.fps_n);
- base_video_parse->distance_from_sync = 0;
- }
-
- frame->distance_from_sync = base_video_parse->distance_from_sync;
- base_video_parse->distance_from_sync++;
-
- frame->presentation_timestamp =
- gst_base_video_parse_get_timestamp (base_video_parse,
- frame->presentation_frame_number);
- frame->presentation_duration =
- gst_base_video_parse_get_timestamp (base_video_parse,
- frame->presentation_frame_number + 1) - frame->presentation_timestamp;
- frame->decode_timestamp =
- gst_base_video_parse_get_timestamp (base_video_parse,
- frame->decode_frame_number);
-
- GST_BUFFER_TIMESTAMP (buffer) = frame->presentation_timestamp;
- GST_BUFFER_DURATION (buffer) = frame->presentation_duration;
- if (frame->decode_frame_number < 0) {
- GST_BUFFER_OFFSET (buffer) = 0;
- } else {
- GST_BUFFER_OFFSET (buffer) = frame->decode_timestamp;
- }
- GST_BUFFER_OFFSET_END (buffer) = GST_CLOCK_TIME_NONE;
-
- GST_DEBUG ("pts %" GST_TIME_FORMAT,
- GST_TIME_ARGS (frame->presentation_timestamp));
- GST_DEBUG ("dts %" GST_TIME_FORMAT, GST_TIME_ARGS (frame->decode_timestamp));
- GST_DEBUG ("dist %d", frame->distance_from_sync);
-
- if (frame->is_sync_point) {
- GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- } else {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DELTA_UNIT);
- }
-
- frame->src_buffer = buffer;
- ret = base_video_parse_class->shape_output (base_video_parse, frame);
-
- gst_base_video_parse_free_frame (base_video_parse->current_frame);
-
- /* create new frame */
- base_video_parse->current_frame =
- gst_base_video_parse_new_frame (base_video_parse);
-
- return ret;
-}
-
-static void
-gst_base_video_parse_free_frame (GstVideoFrame * frame)
-{
- if (frame->sink_buffer) {
- gst_buffer_unref (frame->sink_buffer);
- }
-#if 0
- if (frame->src_buffer) {
- gst_buffer_unref (frame->src_buffer);
- }
-#endif
-
- g_free (frame);
-}
-
-static GstVideoFrame *
-gst_base_video_parse_new_frame (GstBaseVideoParse * base_video_parse)
-{
- GstVideoFrame *frame;
-
- frame = g_malloc0 (sizeof (GstVideoFrame));
-
- frame->system_frame_number = base_video_parse->system_frame_number;
- base_video_parse->system_frame_number++;
-
- frame->decode_frame_number = frame->system_frame_number -
- base_video_parse->reorder_depth;
-
- return frame;
-}
-
-void
-gst_base_video_parse_set_sync_point (GstBaseVideoParse * base_video_parse)
-{
- GST_DEBUG ("set_sync_point");
-
- base_video_parse->current_frame->is_sync_point = TRUE;
-
- base_video_parse->distance_from_sync = 0;
-}
-
-GstFlowReturn
-gst_base_video_parse_push (GstBaseVideoParse * base_video_parse,
- GstBuffer * buffer)
-{
- GstBaseVideoParseClass *base_video_parse_class;
-
- base_video_parse_class = GST_BASE_VIDEO_PARSE_GET_CLASS (base_video_parse);
-
- if (base_video_parse->caps == NULL) {
- gboolean ret;
-
- base_video_parse->caps =
- base_video_parse_class->get_caps (base_video_parse);
-
- ret = gst_pad_set_caps (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse),
- base_video_parse->caps);
-
- if (!ret) {
- GST_WARNING ("pad didn't accept caps");
- return GST_FLOW_ERROR;
- }
- }
- gst_buffer_set_caps (buffer, base_video_parse->caps);
-
- GST_DEBUG ("pushing ts=%lld dur=%lld off=%lld off_end=%lld",
- GST_BUFFER_TIMESTAMP (buffer),
- GST_BUFFER_DURATION (buffer),
- GST_BUFFER_OFFSET (buffer), GST_BUFFER_OFFSET_END (buffer));
-
- if (base_video_parse->discont) {
- GST_BUFFER_FLAG_SET (buffer, GST_BUFFER_FLAG_DISCONT);
- base_video_parse->discont = FALSE;
- } else {
- GST_BUFFER_FLAG_UNSET (buffer, GST_BUFFER_FLAG_DISCONT);
- }
-
- return gst_pad_push (GST_BASE_VIDEO_CODEC_SRC_PAD (base_video_parse), buffer);
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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_BASE_VIDEO_PARSE_H_
-#define _GST_BASE_VIDEO_PARSE_H_
-
-#include <gst/video/gstbasevideocodec.h>
-#include <gst/video/gstbasevideoutils.h>
-
-G_BEGIN_DECLS
-
-#define GST_TYPE_BASE_VIDEO_PARSE \
- (gst_base_video_parse_get_type())
-#define GST_BASE_VIDEO_PARSE(obj) \
- (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParse))
-#define GST_BASE_VIDEO_PARSE_CLASS(klass) \
- (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParseClass))
-#define GST_BASE_VIDEO_PARSE_GET_CLASS(obj) \
- (G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_BASE_VIDEO_PARSE,GstBaseVideoParseClass))
-#define GST_IS_BASE_VIDEO_PARSE(obj) \
- (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_BASE_VIDEO_PARSE))
-#define GST_IS_BASE_VIDEO_PARSE_CLASS(obj) \
- (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_BASE_VIDEO_PARSE))
-
-/**
- * GST_BASE_VIDEO_PARSE_SINK_NAME:
- *
- * The name of the templates for the sink pad.
- */
-#define GST_BASE_VIDEO_PARSE_SINK_NAME "sink"
-/**
- * GST_BASE_VIDEO_PARSE_SRC_NAME:
- *
- * The name of the templates for the source pad.
- */
-#define GST_BASE_VIDEO_PARSE_SRC_NAME "src"
-
-/**
- * GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA:
- *
- */
-#define GST_BASE_VIDEO_PARSE_FLOW_NEED_DATA GST_FLOW_CUSTOM_SUCCESS
-
-typedef struct _GstBaseVideoParse GstBaseVideoParse;
-typedef struct _GstBaseVideoParseClass GstBaseVideoParseClass;
-
-struct _GstBaseVideoParse
-{
- GstBaseVideoCodec base_video_codec;
-
- /*< private >*/
- GstAdapter *input_adapter;
- GstAdapter *output_adapter;
-
- int reorder_depth;
-
- gboolean have_sync;
- gboolean discont;
- gboolean started;
-
- GstVideoFrame *current_frame;
- GstVideoState state;
- int distance_from_sync;
-
- gboolean sink_clipping;
-
- guint64 presentation_frame_number;
- guint64 system_frame_number;
-
- GstCaps *caps;
- gboolean set_output_caps;
-
- GstClockTime last_timestamp;
-
- gint64 timestamp_offset;
-};
-
-struct _GstBaseVideoParseClass
-{
- GstBaseVideoCodecClass base_video_codec_class;
-
- gboolean (*start) (GstBaseVideoParse *parse);
- gboolean (*stop) (GstBaseVideoParse *parse);
- gboolean (*reset) (GstBaseVideoParse *parse);
- GstFlowReturn (*parse_data) (GstBaseVideoParse *parse, gboolean at_eos);
- int (*scan_for_sync) (GstAdapter *adapter, gboolean at_eos,
- int offset, int n);
- GstFlowReturn (*shape_output) (GstBaseVideoParse *parse, GstVideoFrame *frame);
- GstCaps *(*get_caps) (GstBaseVideoParse *parse);
-
-};
-
-GType gst_base_video_parse_get_type (void);
-
-int gst_base_video_parse_get_width (GstBaseVideoParse *parse);
-int gst_base_video_parse_get_height (GstBaseVideoParse *parse);
-GstVideoState *gst_base_video_parse_get_state (GstBaseVideoParse *parse);
-void gst_base_video_parse_set_state (GstBaseVideoParse *parse,
- GstVideoState *state);
-
-guint64 gst_base_video_parse_get_timestamp_offset (GstBaseVideoParse *parse);
-
-gboolean gst_base_video_parse_set_src_caps (GstBaseVideoParse *base_video_parse, GstCaps *caps);
-
-GstFlowReturn gst_base_video_parse_end_of_stream (GstBaseVideoParse *base_video_parse,
- GstBuffer *buffer);
-
-void gst_base_video_parse_lost_sync (GstBaseVideoParse *base_video_parse);
-
-GstVideoFrame * gst_base_video_parse_get_frame (GstBaseVideoParse *base_video_parse);
-void gst_base_video_parse_add_to_frame (GstBaseVideoParse *base_video_parse, int n_bytes);
-GstFlowReturn gst_base_video_parse_finish_frame (GstBaseVideoParse *base_video_parse);
-void gst_base_video_parse_set_sync_point (GstBaseVideoParse *base_video_parse);
-GstFlowReturn gst_base_video_parse_push (GstBaseVideoParse *base_video_parse,
- GstBuffer *buffer);
-
-G_END_DECLS
-
-#endif
-
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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.
- */
-
-#ifdef HAVE_CONFIG_H
-#include "config.h"
-#endif
-
-#include "gstbasevideoutils.h"
-
-#include <string.h>
-
-GST_DEBUG_CATEGORY_EXTERN (basevideo_debug);
-#define GST_CAT_DEFAULT basevideo_debug
-
-
-guint64
-gst_base_video_convert_bytes_to_frames (GstVideoState * state, guint64 bytes)
-{
- return gst_util_uint64_scale_int (bytes, 1, state->bytes_per_picture);
-}
-
-guint64
-gst_base_video_convert_frames_to_bytes (GstVideoState * state, guint64 frames)
-{
- return frames * state->bytes_per_picture;
-}
-
-
-gboolean
-gst_base_video_rawvideo_convert (GstVideoState * state,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = FALSE;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- if (src_format == GST_FORMAT_BYTES &&
- *dest_format == GST_FORMAT_DEFAULT && state->bytes_per_picture != 0) {
- /* convert bytes to frames */
- *dest_value = gst_util_uint64_scale_int (src_value, 1,
- state->bytes_per_picture);
- res = TRUE;
- } else if (src_format == GST_FORMAT_DEFAULT &&
- *dest_format == GST_FORMAT_BYTES && state->bytes_per_picture != 0) {
- /* convert bytes to frames */
- *dest_value = src_value * state->bytes_per_picture;
- res = TRUE;
- } else if (src_format == GST_FORMAT_DEFAULT &&
- *dest_format == GST_FORMAT_TIME && state->fps_n != 0) {
- /* convert frames to time */
- /* FIXME add segment time? */
- *dest_value = gst_util_uint64_scale (src_value,
- GST_SECOND * state->fps_d, state->fps_n);
- res = TRUE;
- } else if (src_format == GST_FORMAT_TIME &&
- *dest_format == GST_FORMAT_DEFAULT && state->fps_d != 0) {
- /* convert time to frames */
- /* FIXME subtract segment time? */
- *dest_value = gst_util_uint64_scale (src_value, state->fps_n,
- GST_SECOND * state->fps_d);
- res = TRUE;
- }
-
- /* FIXME add bytes <--> time */
-
- return res;
-}
-
-gboolean
-gst_base_video_encoded_video_convert (GstVideoState * state,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 * dest_value)
-{
- gboolean res = FALSE;
-
- if (src_format == *dest_format) {
- *dest_value = src_value;
- return TRUE;
- }
-
- GST_DEBUG ("src convert");
-
-#if 0
- if (src_format == GST_FORMAT_DEFAULT && *dest_format == GST_FORMAT_TIME) {
- if (dec->fps_d != 0) {
- *dest_value = gst_util_uint64_scale (granulepos_to_frame (src_value),
- dec->fps_d * GST_SECOND, dec->fps_n);
- res = TRUE;
- } else {
- res = FALSE;
- }
- } else {
- GST_WARNING ("unhandled conversion from %d to %d", src_format,
- *dest_format);
- res = FALSE;
- }
-#endif
-
- return res;
-}
-
-gboolean
-gst_base_video_state_from_caps (GstVideoState * state, GstCaps * caps)
-{
-
- gst_video_format_parse_caps (caps, &state->format,
- &state->width, &state->height);
-
- gst_video_parse_caps_framerate (caps, &state->fps_n, &state->fps_d);
-
- state->par_n = 1;
- state->par_d = 1;
- gst_video_parse_caps_pixel_aspect_ratio (caps, &state->par_n, &state->par_d);
-
- {
- GstStructure *structure = gst_caps_get_structure (caps, 0);
- state->interlaced = FALSE;
- gst_structure_get_boolean (structure, "interlaced", &state->interlaced);
- }
-
- state->clean_width = state->width;
- state->clean_height = state->height;
- state->clean_offset_left = 0;
- state->clean_offset_top = 0;
-
- /* FIXME need better error handling */
- return TRUE;
-}
-
-GstClockTime
-gst_video_state_get_timestamp (const GstVideoState * state, int frame_number)
-{
- if (frame_number < 0) {
- return state->segment.start -
- (gint64) gst_util_uint64_scale (-frame_number,
- state->fps_d * GST_SECOND, state->fps_n);
- } else {
- return state->segment.start +
- gst_util_uint64_scale (frame_number,
- state->fps_d * GST_SECOND, state->fps_n);
- }
-}
+++ /dev/null
-/* GStreamer
- * Copyright (C) 2008 David Schleef <ds@schleef.org>
- *
- * 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_BASE_VIDEO_UTILS_H_
-#define _GST_BASE_VIDEO_UTILS_H_
-
-#include <gst/gst.h>
-#include <gst/video/video.h>
-#include <gst/base/gstadapter.h>
-
-G_BEGIN_DECLS
-
-typedef struct _GstVideoState GstVideoState;
-typedef struct _GstVideoFrame GstVideoFrame;
-
-struct _GstVideoState
-{
- GstVideoFormat format;
- int width, height;
- int fps_n, fps_d;
- int par_n, par_d;
- gboolean interlaced;
- gboolean top_field_first;
-
- int clean_width, clean_height;
- int clean_offset_left, clean_offset_top;
-
- int bytes_per_picture;
-
- GstSegment segment;
-
- int picture_number;
-};
-
-struct _GstVideoFrame
-{
- guint64 decode_timestamp;
- guint64 presentation_timestamp;
- guint64 presentation_duration;
-
- gint system_frame_number;
- gint decode_frame_number;
- gint presentation_frame_number;
-
- int distance_from_sync;
- gboolean is_sync_point;
- gboolean is_eos;
-
- GstBuffer *sink_buffer;
- GstBuffer *src_buffer;
-
- int field_index;
- int n_fields;
-
- void *coder_hook;
-};
-
-gboolean gst_base_video_rawvideo_convert (GstVideoState *state,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 *dest_value);
-gboolean gst_base_video_encoded_video_convert (GstVideoState *state,
- GstFormat src_format, gint64 src_value,
- GstFormat * dest_format, gint64 *dest_value);
-
-gboolean gst_base_video_state_from_caps (GstVideoState *state,
- GstCaps *caps);
-
-GstClockTime gst_video_state_get_timestamp (const GstVideoState *state,
- int frame_number);
-
-G_END_DECLS
-
-#endif
-
projects / platform / upstream / gst-plugins-base.git / commitdiff