1 /* Quicktime muxer plugin for GStreamer
2 * Copyright (C) 2008 Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>
3 * Copyright (C) 2008 Mark Nauwelaerts <mnauw@users.sf.net>
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 * Library General Public License for more details.
15 * You should have received a copy of the GNU Library General Public
16 * License along with this library; if not, write to the
17 * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
18 * Boston, MA 02111-1307, USA.
24 * @short_description: Muxer for quicktime(.mov) files
28 * This element merges streams (audio and video) into qt(.mov) files.
30 * <title>Example pipelines</title>
33 * gst-launch v4l2src num-buffers=500 ! video/x-raw-yuv,width=320,height=240 ! ffmpegcolorspace ! qtmux ! filesink location=video.mov
35 * Records a video stream captured from a v4l2 device and muxes it into a qt file.
39 * Last reviewed on 2008-08-27
50 #include <glib/gstdio.h>
53 #include <gst/base/gstcollectpads.h>
57 GST_DEBUG_CATEGORY_STATIC (gst_qt_mux_debug);
58 #define GST_CAT_DEFAULT gst_qt_mux_debug
60 /* QTMux signals and args */
75 PROP_FAST_START_TEMP_FILE
78 #define MDAT_ATOM_HEADER_SIZE 16
79 #define DEFAULT_LARGE_FILE FALSE
80 #define DEFAULT_MOVIE_TIMESCALE 600
81 #define DEFAULT_DO_CTTS FALSE
82 #define DEFAULT_FAST_START FALSE
83 #define DEFAULT_FAST_START_TEMP_FILE NULL
85 static void gst_qt_mux_finalize (GObject * object);
87 static GstStateChangeReturn gst_qt_mux_change_state (GstElement * element,
88 GstStateChange transition);
90 /* property functions */
91 static void gst_qt_mux_set_property (GObject * object,
92 guint prop_id, const GValue * value, GParamSpec * pspec);
93 static void gst_qt_mux_get_property (GObject * object,
94 guint prop_id, GValue * value, GParamSpec * pspec);
97 static GstPad *gst_qt_mux_request_new_pad (GstElement * element,
98 GstPadTemplate * templ, const gchar * name);
99 static void gst_qt_mux_release_pad (GstElement * element, GstPad * pad);
102 static gboolean gst_qt_mux_sink_event (GstPad * pad, GstEvent * event);
104 static GstFlowReturn gst_qt_mux_collected (GstCollectPads * pads,
106 static GstFlowReturn gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad,
109 static GstElementClass *parent_class = NULL;
112 gst_qt_mux_base_init (gpointer g_class)
114 GstElementClass *element_class = GST_ELEMENT_CLASS (g_class);
115 GstQTMuxClass *klass = (GstQTMuxClass *) g_class;
116 GstQTMuxClassParams *params;
117 GstElementDetails details;
118 GstPadTemplate *videosinktempl, *audiosinktempl, *srctempl;
121 (GstQTMuxClassParams *) g_type_get_qdata (G_OBJECT_CLASS_TYPE (g_class),
122 GST_QT_MUX_PARAMS_QDATA);
123 g_assert (params != NULL);
125 /* construct the element details struct */
126 details.longname = g_strdup_printf ("%s Muxer", params->prop->long_name);
127 details.klass = g_strdup ("Codec/Muxer");
128 details.description =
129 g_strdup_printf ("Multiplex audio and video into a %s file",
130 params->prop->long_name);
131 details.author = "Thiago Sousa Santos <thiagoss@embedded.ufcg.edu.br>";
132 gst_element_class_set_details (element_class, &details);
133 g_free (details.longname);
134 g_free (details.klass);
135 g_free (details.description);
138 srctempl = gst_pad_template_new ("src", GST_PAD_SRC,
139 GST_PAD_ALWAYS, params->src_caps);
140 gst_element_class_add_pad_template (element_class, srctempl);
142 if (params->audio_sink_caps) {
143 audiosinktempl = gst_pad_template_new ("audio_%d",
144 GST_PAD_SINK, GST_PAD_REQUEST, params->audio_sink_caps);
145 gst_element_class_add_pad_template (element_class, audiosinktempl);
148 if (params->video_sink_caps) {
149 videosinktempl = gst_pad_template_new ("video_%d",
150 GST_PAD_SINK, GST_PAD_REQUEST, params->video_sink_caps);
151 gst_element_class_add_pad_template (element_class, videosinktempl);
154 klass->format = params->prop->format;
158 gst_qt_mux_class_init (GstQTMuxClass * klass)
160 GObjectClass *gobject_class;
161 GstElementClass *gstelement_class;
163 gobject_class = (GObjectClass *) klass;
164 gstelement_class = (GstElementClass *) klass;
166 parent_class = g_type_class_peek_parent (klass);
168 gobject_class->finalize = gst_qt_mux_finalize;
169 gobject_class->get_property = gst_qt_mux_get_property;
170 gobject_class->set_property = gst_qt_mux_set_property;
172 g_object_class_install_property (gobject_class, PROP_LARGE_FILE,
173 g_param_spec_boolean ("large-file", "Support for large files",
174 "Uses 64bits to some fields instead of 32bits, "
175 "providing support for large files",
176 DEFAULT_LARGE_FILE, G_PARAM_READWRITE));
177 g_object_class_install_property (gobject_class, PROP_MOVIE_TIMESCALE,
178 g_param_spec_uint ("movie-timescale", "Movie timescale",
179 "Timescale to use in the movie (units per second)",
180 1, G_MAXUINT32, DEFAULT_MOVIE_TIMESCALE,
181 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
182 g_object_class_install_property (gobject_class, PROP_DO_CTTS,
183 g_param_spec_boolean ("presentation-time",
184 "Include presentation-time info",
185 "Calculate and include presentation/composition time (in addition to decoding time)"
186 " (use with caution)", DEFAULT_DO_CTTS,
187 G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
188 g_object_class_install_property (gobject_class, PROP_FAST_START,
189 g_param_spec_boolean ("faststart", "Format file to faststart",
190 "If the file should be formated for faststart (headers first). ",
191 DEFAULT_FAST_START, G_PARAM_READWRITE));
192 g_object_class_install_property (gobject_class, PROP_FAST_START_TEMP_FILE,
193 g_param_spec_string ("faststart-file", "File to use for storing buffers",
194 "File that will be used temporarily to store data from the stream when "
195 "creating a faststart file. If null a filepath will be created automatically",
196 DEFAULT_FAST_START_TEMP_FILE, G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
198 gstelement_class->request_new_pad =
199 GST_DEBUG_FUNCPTR (gst_qt_mux_request_new_pad);
200 gstelement_class->change_state = GST_DEBUG_FUNCPTR (gst_qt_mux_change_state);
201 gstelement_class->release_pad = GST_DEBUG_FUNCPTR (gst_qt_mux_release_pad);
205 gst_qt_mux_pad_reset (GstQTPad * qtpad)
208 qtpad->is_out_of_order = FALSE;
209 qtpad->have_dts = FALSE;
210 qtpad->sample_size = 0;
215 gst_buffer_replace (&qtpad->last_buf, NULL);
217 /* reference owned elsewhere */
222 * Takes GstQTMux back to its initial state
225 gst_qt_mux_reset (GstQTMux * qtmux, gboolean alloc)
229 qtmux->state = GST_QT_MUX_STATE_NONE;
230 qtmux->header_size = 0;
231 qtmux->mdat_size = 0;
235 atom_ftyp_free (qtmux->ftyp);
239 atom_moov_free (qtmux->moov);
243 gst_tag_list_free (qtmux->tags);
246 if (qtmux->fast_start_file) {
247 fclose (qtmux->fast_start_file);
248 qtmux->fast_start_file = NULL;
252 for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
253 GstQTPad *qtpad = (GstQTPad *) walk->data;
254 gst_qt_mux_pad_reset (qtpad);
256 /* hm, moov_free above yanked the traks away from us,
257 * so do not free, but do clear */
262 qtmux->moov = atom_moov_new (qtmux->context);
267 gst_qt_mux_init (GstQTMux * qtmux, GstQTMuxClass * qtmux_klass)
269 GstElementClass *klass = GST_ELEMENT_CLASS (qtmux_klass);
270 GstPadTemplate *templ;
273 templ = gst_element_class_get_pad_template (klass, "src");
274 qtmux->srcpad = gst_pad_new_from_template (templ, "src");
275 caps = gst_caps_copy (gst_pad_get_pad_template_caps (qtmux->srcpad));
276 gst_pad_set_caps (qtmux->srcpad, caps);
277 gst_caps_unref (caps);
278 gst_pad_use_fixed_caps (qtmux->srcpad);
279 gst_element_add_pad (GST_ELEMENT (qtmux), qtmux->srcpad);
281 qtmux->collect = gst_collect_pads_new ();
282 gst_collect_pads_set_function (qtmux->collect,
283 (GstCollectPadsFunction) GST_DEBUG_FUNCPTR (gst_qt_mux_collected), qtmux);
285 /* properties set to default upon construction */
287 /* always need this */
289 atoms_context_new (gst_qt_mux_map_format_to_flavor (qtmux_klass->format));
291 /* internals to initial state */
292 gst_qt_mux_reset (qtmux, TRUE);
297 gst_qt_mux_finalize (GObject * object)
299 GstQTMux *qtmux = GST_QT_MUX_CAST (object);
301 gst_qt_mux_reset (qtmux, FALSE);
303 if (qtmux->fast_start_file_path)
304 g_free (qtmux->fast_start_file_path);
306 atoms_context_free (qtmux->context);
307 gst_object_unref (qtmux->collect);
309 G_OBJECT_CLASS (parent_class)->finalize (object);
312 /* FIXME approach below is pretty Apple/MOV/MP4/iTunes specific,
313 * and as such does not comply with e.g. 3GPP specs */
316 * Struct to record mappings from gstreamer tags to fourcc codes
318 typedef struct _GstTagToFourcc
322 const gchar *gsttag2;
325 /* tag list tags to fourcc matching */
326 static const GstTagToFourcc tag_matches[] = {
327 {FOURCC__alb, GST_TAG_ALBUM,},
328 {FOURCC__ART, GST_TAG_ARTIST,},
329 {FOURCC__cmt, GST_TAG_COMMENT,},
330 {FOURCC__wrt, GST_TAG_COMPOSER,},
331 {FOURCC__gen, GST_TAG_GENRE,},
332 {FOURCC__nam, GST_TAG_TITLE,},
333 {FOURCC__des, GST_TAG_DESCRIPTION,},
334 {FOURCC__too, GST_TAG_ENCODER,},
335 {FOURCC_cprt, GST_TAG_COPYRIGHT,},
336 {FOURCC_keyw, GST_TAG_KEYWORDS,},
337 {FOURCC__day, GST_TAG_DATE,},
338 {FOURCC_tmpo, GST_TAG_BEATS_PER_MINUTE,},
339 {FOURCC_trkn, GST_TAG_TRACK_NUMBER, GST_TAG_TRACK_COUNT},
340 {FOURCC_disk, GST_TAG_ALBUM_VOLUME_NUMBER, GST_TAG_ALBUM_VOLUME_COUNT},
341 {FOURCC_covr, GST_TAG_PREVIEW_IMAGE,},
345 /* qtdemux produces these for atoms it cannot parse */
346 #define GST_QT_DEMUX_PRIVATE_TAG "private-qt-tag"
349 gst_qt_mux_add_metadata_tags (GstQTMux * qtmux, const GstTagList * list)
353 const gchar *tag, *tag2;
355 for (i = 0; tag_matches[i].fourcc; i++) {
356 fourcc = tag_matches[i].fourcc;
357 tag = tag_matches[i].gsttag;
358 tag2 = tag_matches[i].gsttag2;
360 switch (gst_tag_get_type (tag)) {
366 if (!gst_tag_list_get_string (list, tag, &str) || !str)
368 GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
369 GST_FOURCC_ARGS (fourcc), str);
370 atom_moov_add_str_tag (qtmux->moov, fourcc, str);
379 if (!gst_tag_list_get_double (list, tag, &value))
381 GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u",
382 GST_FOURCC_ARGS (fourcc), (gint) value);
383 atom_moov_add_uint_tag (qtmux->moov, fourcc, 21, (gint) value);
386 /* paired unsigned integers */
392 if (!gst_tag_list_get_uint (list, tag, &value) ||
393 !gst_tag_list_get_uint (list, tag2, &count))
395 GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %u/%u",
396 GST_FOURCC_ARGS (fourcc), value, count);
397 atom_moov_add_uint_tag (qtmux->moov, fourcc, 0,
398 value << 16 | (count & 0xFFFF));
403 if (gst_tag_get_type (tag) == GST_TYPE_DATE) {
410 if (!gst_tag_list_get_date (list, tag, &date) || !date)
412 year = g_date_get_year (date);
413 month = g_date_get_month (date);
414 day = g_date_get_day (date);
416 if (year == G_DATE_BAD_YEAR && month == G_DATE_BAD_MONTH &&
417 day == G_DATE_BAD_DAY) {
418 GST_WARNING_OBJECT (qtmux, "invalid date in tag");
422 str = g_strdup_printf ("%u-%u-%u", year, month, day);
423 GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT " -> %s",
424 GST_FOURCC_ARGS (fourcc), str);
425 atom_moov_add_str_tag (qtmux->moov, fourcc, str);
426 } else if (gst_tag_get_type (tag) == GST_TYPE_BUFFER) {
427 GValue value = { 0, };
430 GstStructure *structure;
433 if (!gst_tag_list_copy_value (&value, list, tag))
436 buf = gst_value_get_buffer (&value);
440 caps = gst_buffer_get_caps (buf);
442 GST_WARNING_OBJECT (qtmux, "preview image without caps");
446 GST_DEBUG_OBJECT (qtmux, "preview image caps %" GST_PTR_FORMAT, caps);
448 structure = gst_caps_get_structure (caps, 0);
449 if (gst_structure_has_name (structure, "image/jpeg"))
451 else if (gst_structure_has_name (structure, "image/png"))
453 gst_caps_unref (caps);
456 GST_WARNING_OBJECT (qtmux, "preview image format not supported");
460 GST_DEBUG_OBJECT (qtmux, "Adding tag %" GST_FOURCC_FORMAT
461 " -> image size %d", GST_FOURCC_ARGS (fourcc),
462 GST_BUFFER_SIZE (buf));
463 atom_moov_add_tag (qtmux->moov, fourcc, flags, GST_BUFFER_DATA (buf),
464 GST_BUFFER_SIZE (buf));
466 g_value_unset (&value);
468 g_assert_not_reached ();
474 /* add unparsed blobs if present */
475 if (gst_tag_exists (GST_QT_DEMUX_PRIVATE_TAG)) {
478 num_tags = gst_tag_list_get_tag_size (list, GST_QT_DEMUX_PRIVATE_TAG);
479 for (i = 0; i < num_tags; ++i) {
482 GstCaps *caps = NULL;
484 val = gst_tag_list_get_value_index (list, GST_QT_DEMUX_PRIVATE_TAG, i);
485 buf = (GstBuffer *) gst_value_get_mini_object (val);
487 if (buf && (caps = gst_buffer_get_caps (buf))) {
489 const gchar *style = NULL;
491 GST_DEBUG_OBJECT (qtmux, "Found private tag %d/%d; size %d, caps %"
492 GST_PTR_FORMAT, i, num_tags, GST_BUFFER_SIZE (buf), caps);
493 s = gst_caps_get_structure (caps, 0);
494 if (s && (style = gst_structure_get_string (s, "style"))) {
495 /* FIXME make into a parameter */
496 if (strcmp (style, "itunes") == 0) {
497 GST_DEBUG_OBJECT (qtmux, "Adding private tag");
498 atom_moov_add_blob_tag (qtmux->moov, GST_BUFFER_DATA (buf),
499 GST_BUFFER_SIZE (buf));
502 gst_caps_unref (caps);
511 * Gets the tagsetter iface taglist and puts the known tags
512 * into the output stream
515 gst_qt_mux_setup_metadata (GstQTMux * qtmux)
517 const GstTagList *user_tags;
518 GstTagList *mixedtags = NULL;
519 GstTagMergeMode merge_mode;
521 user_tags = gst_tag_setter_get_tag_list (GST_TAG_SETTER (qtmux));
522 merge_mode = gst_tag_setter_get_tag_merge_mode (GST_TAG_SETTER (qtmux));
524 GST_DEBUG_OBJECT (qtmux, "merging tags, merge mode = %d", merge_mode);
525 GST_LOG_OBJECT (qtmux, "event tags: %" GST_PTR_FORMAT, qtmux->tags);
526 GST_LOG_OBJECT (qtmux, "set tags: %" GST_PTR_FORMAT, user_tags);
528 mixedtags = gst_tag_list_merge (user_tags, qtmux->tags, merge_mode);
530 GST_LOG_OBJECT (qtmux, "final tags: %" GST_PTR_FORMAT, mixedtags);
532 if (mixedtags && !gst_tag_list_is_empty (mixedtags)) {
533 GST_DEBUG_OBJECT (qtmux, "Parsing tags");
534 gst_qt_mux_add_metadata_tags (qtmux, mixedtags);
536 GST_DEBUG_OBJECT (qtmux, "No tags found");
540 gst_tag_list_free (mixedtags);
546 gst_qt_mux_send_buffer (GstQTMux * qtmux, GstBuffer * buf, guint64 * offset,
553 g_return_val_if_fail (buf != NULL, GST_FLOW_ERROR);
555 data = GST_BUFFER_DATA (buf);
556 size = GST_BUFFER_SIZE (buf);
558 GST_LOG_OBJECT (qtmux, "sending buffer size %d", size);
560 if (mind_fast && qtmux->fast_start_file) {
563 GST_LOG_OBJECT (qtmux, "to temporary file");
564 ret = fwrite (data, sizeof (guint8), size, qtmux->fast_start_file);
565 gst_buffer_unref (buf);
571 GST_LOG_OBJECT (qtmux, "downstream");
573 gst_buffer_set_caps (buf, GST_PAD_CAPS (qtmux->srcpad));
574 res = gst_pad_push (qtmux->srcpad, buf);
585 GST_ELEMENT_ERROR (qtmux, RESOURCE, WRITE,
586 ("Failed to write to temporary file"), GST_ERROR_SYSTEM);
587 return GST_FLOW_ERROR;
592 gst_qt_mux_send_buffered_data (GstQTMux * qtmux, guint64 * offset)
594 GstFlowReturn ret = GST_FLOW_OK;
595 GstBuffer *buf = NULL;
597 if (fflush (qtmux->fast_start_file))
600 if (fseek (qtmux->fast_start_file, 0, SEEK_SET))
603 /* hm, this could all take a really really long time,
604 * but there may not be another way to get moov atom first
605 * (somehow optimize copy?) */
606 GST_DEBUG_OBJECT (qtmux, "Sending buffered data");
607 while (ret == GST_FLOW_OK) {
609 const int bufsize = 4096;
611 buf = gst_buffer_new_and_alloc (bufsize);
612 r = fread (GST_BUFFER_DATA (buf), sizeof (guint8), bufsize,
613 qtmux->fast_start_file);
616 GST_BUFFER_SIZE (buf) = r;
617 GST_LOG_OBJECT (qtmux, "Pushing buffered buffer of size %d", r);
618 ret = gst_qt_mux_send_buffer (qtmux, buf, offset, FALSE);
622 gst_buffer_unref (buf);
625 /* best cleaning up effort, eat possible error */
626 fclose (qtmux->fast_start_file);
627 qtmux->fast_start_file = NULL;
629 /* FIXME maybe delete temporary file, or let the system handle that ? */
636 GST_ELEMENT_ERROR (qtmux, RESOURCE, WRITE,
637 ("Failed to flush temporary file"), GST_ERROR_SYSTEM);
638 ret = GST_FLOW_ERROR;
643 GST_ELEMENT_ERROR (qtmux, RESOURCE, SEEK,
644 ("Failed to seek temporary file"), GST_ERROR_SYSTEM);
645 ret = GST_FLOW_ERROR;
651 * Sends the initial mdat atom fields (size fields and fourcc type),
652 * the subsequent buffers are considered part of it's data.
653 * As we can't predict the amount of data that we are going to place in mdat
654 * we need to record the position of the size field in the stream so we can
655 * seek back to it later and update when the streams have finished.
658 gst_qt_mux_send_mdat_header (GstQTMux * qtmux, guint64 * off, guint64 size)
665 GST_DEBUG_OBJECT (qtmux, "Sending mdat's atom header, "
666 "size %" G_GUINT64_FORMAT, size);
668 node_header = g_malloc0 (sizeof (Atom));
669 node_header->type = FOURCC_mdat;
670 /* use extended size */
671 node_header->size = 1;
672 node_header->extended_size = 0;
674 node_header->extended_size = size;
677 if (atom_copy_data (node_header, &data, &size, &offset) == 0)
678 goto serialize_error;
680 buf = gst_buffer_new ();
681 GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
682 GST_BUFFER_SIZE (buf) = offset;
684 g_free (node_header);
686 GST_LOG_OBJECT (qtmux, "Pushing mdat start");
687 return gst_qt_mux_send_buffer (qtmux, buf, off, FALSE);
692 GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
693 ("Failed to serialize ftyp"));
694 return GST_FLOW_ERROR;
699 * We get the position of the mdat size field, seek back to it
700 * and overwrite with the real value
703 gst_qt_mux_update_mdat_size (GstQTMux * qtmux, guint64 mdat_pos,
704 guint64 mdat_size, guint64 * offset)
709 /* seek and rewrite the header */
710 event = gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES,
711 mdat_pos, GST_CLOCK_TIME_NONE, 0);
712 gst_pad_push_event (qtmux->srcpad, event);
714 buf = gst_buffer_new_and_alloc (sizeof (guint64));
715 GST_WRITE_UINT64_BE (GST_BUFFER_DATA (buf), mdat_size);
717 return gst_qt_mux_send_buffer (qtmux, buf, offset, FALSE);
721 gst_qt_mux_stop_file (GstQTMux * qtmux)
723 gboolean ret = GST_FLOW_OK;
724 GstBuffer *buffer = NULL;
725 guint64 offset = 0, size = 0;
731 GST_DEBUG_OBJECT (qtmux, "Updating remaining values and sending last data");
733 /* pushing last buffers for each pad */
734 for (walk = qtmux->collect->data; walk; walk = g_slist_next (walk)) {
735 GstCollectData *cdata = (GstCollectData *) walk->data;
736 GstQTPad *qtpad = (GstQTPad *) cdata;
738 /* send last buffer */
739 GST_DEBUG_OBJECT (qtmux, "Sending the last buffer for pad %s",
740 GST_PAD_NAME (qtpad->collect.pad));
741 ret = gst_qt_mux_add_buffer (qtmux, qtpad, NULL);
742 if (ret != GST_FLOW_OK)
743 GST_DEBUG_OBJECT (qtmux, "Failed to send last buffer for %s, "
744 "flow return: %s", GST_PAD_NAME (qtpad->collect.pad),
745 gst_flow_get_name (ret));
748 GST_OBJECT_LOCK (qtmux);
749 timescale = qtmux->timescale;
750 large_file = qtmux->large_file;
751 GST_OBJECT_UNLOCK (qtmux);
753 /* inform lower layers of our property wishes, and determine duration.
754 * Let moov take care of this using its list of traks;
755 * so that released pads are also included */
756 GST_DEBUG_OBJECT (qtmux, "Large file support: %d", large_file);
757 GST_DEBUG_OBJECT (qtmux, "Updating timescale to %" G_GUINT32_FORMAT,
759 atom_moov_update_timescale (qtmux->moov, timescale);
760 atom_moov_set_64bits (qtmux->moov, large_file);
761 atom_moov_update_duration (qtmux->moov);
763 /* tags into file metadata */
764 gst_qt_mux_setup_metadata (qtmux);
766 /* if faststart, update the offset of the atoms in the movie with the offset
767 * that the movie headers before mdat will cause */
768 if (qtmux->fast_start_file) {
769 /* copy into NULL to obtain size */
771 if (!atom_moov_copy_data (qtmux->moov, NULL, &size, &offset))
772 goto serialize_error;
773 GST_DEBUG_OBJECT (qtmux, "calculated moov atom size %" G_GUINT64_FORMAT,
775 offset += qtmux->header_size + MDAT_ATOM_HEADER_SIZE;
777 offset = qtmux->header_size;
778 atom_moov_chunks_add_offset (qtmux->moov, offset);
783 GST_LOG_OBJECT (qtmux, "Copying movie header into buffer");
784 ret = atom_moov_copy_data (qtmux->moov, &data, &size, &offset);
786 goto serialize_error;
788 buffer = gst_buffer_new ();
789 GST_BUFFER_DATA (buffer) = GST_BUFFER_MALLOCDATA (buffer) = data;
790 GST_BUFFER_SIZE (buffer) = offset;
791 /* note: as of this point, we no longer care about tracking written data size,
792 * since there is no more use for it anyway */
793 GST_DEBUG_OBJECT (qtmux, "Pushing movie atoms");
794 gst_qt_mux_send_buffer (qtmux, buffer, NULL, FALSE);
796 /* total mdat size as of now also includes the atom header */
797 qtmux->mdat_size += MDAT_ATOM_HEADER_SIZE;
798 /* if needed, send mdat atom and move buffered data into it */
799 if (qtmux->fast_start_file) {
800 /* mdat size = accumulated (buffered data) + mdat atom header */
801 ret = gst_qt_mux_send_mdat_header (qtmux, NULL, qtmux->mdat_size);
802 if (ret != GST_FLOW_OK)
804 ret = gst_qt_mux_send_buffered_data (qtmux, NULL);
805 if (ret != GST_FLOW_OK)
808 /* mdata needs update iff not using faststart */
809 GST_DEBUG_OBJECT (qtmux, "updating mdata size");
810 ret = gst_qt_mux_update_mdat_size (qtmux, qtmux->mdat_pos,
811 qtmux->mdat_size, NULL);
812 /* note; no seeking back to the end of file is done,
813 * since we longer write anything anyway */
821 gst_buffer_unref (buffer);
822 GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
823 ("Failed to serialize moov"));
824 return GST_FLOW_ERROR;
829 gst_qt_mux_send_ftyp (GstQTMux * qtmux, guint64 * off)
832 guint64 size = 0, offset = 0;
835 GST_DEBUG_OBJECT (qtmux, "Sending ftyp atom");
837 if (!atom_ftyp_copy_data (qtmux->ftyp, &data, &size, &offset))
838 goto serialize_error;
840 buf = gst_buffer_new ();
841 GST_BUFFER_DATA (buf) = GST_BUFFER_MALLOCDATA (buf) = data;
842 GST_BUFFER_SIZE (buf) = offset;
844 GST_LOG_OBJECT (qtmux, "Pushing ftyp");
845 return gst_qt_mux_send_buffer (qtmux, buf, off, FALSE);
850 GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
851 ("Failed to serialize ftyp"));
852 return GST_FLOW_ERROR;
857 gst_qt_mux_start_file (GstQTMux * qtmux)
859 GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
860 GstFlowReturn ret = GST_FLOW_OK;
861 guint32 major, version;
865 GST_DEBUG_OBJECT (qtmux, "starting file");
867 /* let downstream know we think in BYTES and expect to do seeking later on */
868 gst_pad_push_event (qtmux->srcpad,
869 gst_event_new_new_segment (FALSE, 1.0, GST_FORMAT_BYTES, 0, -1, 0));
871 /* init and send context and ftyp based on current property state */
873 atom_ftyp_free (qtmux->ftyp);
874 gst_qt_mux_map_format_to_header (qtmux_klass->format, &prefix, &major,
875 &version, &comp, qtmux->moov);
876 qtmux->ftyp = atom_ftyp_new (qtmux->context, major, version, comp);
880 ret = gst_qt_mux_send_buffer (qtmux, prefix, &qtmux->header_size, FALSE);
881 if (ret != GST_FLOW_OK)
884 ret = gst_qt_mux_send_ftyp (qtmux, &qtmux->header_size);
885 if (ret != GST_FLOW_OK)
888 /* send mdat header if already needed, and mark position for later update */
889 GST_OBJECT_LOCK (qtmux);
890 if (qtmux->fast_start) {
891 qtmux->fast_start_file = g_fopen (qtmux->fast_start_file_path, "wb+");
892 if (!qtmux->fast_start_file)
895 ret = gst_qt_mux_send_mdat_header (qtmux, &qtmux->header_size, 0);
896 /* mdat size position = current header pos - extended header size */
897 qtmux->mdat_pos = qtmux->header_size - sizeof (guint64);
899 GST_OBJECT_UNLOCK (qtmux);
907 GST_ELEMENT_ERROR (qtmux, RESOURCE, OPEN_READ_WRITE,
908 (("Could not open temporary file \"%s\""), qtmux->fast_start_file_path),
910 GST_OBJECT_UNLOCK (qtmux);
911 return GST_FLOW_ERROR;
916 * Here we push the buffer and update the tables in the track atoms
919 gst_qt_mux_add_buffer (GstQTMux * qtmux, GstQTPad * pad, GstBuffer * buf)
921 GstBuffer *last_buf = NULL;
922 GstClockTime duration;
923 guint nsamples, sample_size;
924 guint64 scaled_duration, chunk_offset;
926 gint64 pts_offset = 0;
927 gboolean sync = FALSE, do_pts = FALSE;
932 last_buf = pad->last_buf;
933 if (last_buf == NULL) {
934 #ifndef GST_DISABLE_GST_DEBUG
936 GST_DEBUG_OBJECT (qtmux, "Pad %s has no previous buffer stored and "
937 "received NULL buffer, doing nothing",
938 GST_PAD_NAME (pad->collect.pad));
940 GST_LOG_OBJECT (qtmux,
941 "Pad %s has no previous buffer stored, storing now",
942 GST_PAD_NAME (pad->collect.pad));
948 gst_buffer_ref (last_buf);
950 /* fall back to duration if:
952 * - this format has out of order buffers (e.g. MPEG-4),
953 * - lack of valid time forces fall back */
954 if (buf == NULL || pad->is_out_of_order ||
955 !GST_BUFFER_TIMESTAMP_IS_VALID (last_buf) ||
956 !GST_BUFFER_TIMESTAMP_IS_VALID (buf)) {
957 if (!GST_BUFFER_DURATION_IS_VALID (last_buf)) {
958 /* be forgiving for some possibly last upstream flushed buffer */
961 GST_WARNING_OBJECT (qtmux, "no duration for last buffer");
962 /* iso spec recommends some small value, try 0 */
965 duration = GST_BUFFER_DURATION (last_buf);
968 duration = GST_BUFFER_TIMESTAMP (buf) - GST_BUFFER_TIMESTAMP (last_buf);
971 gst_buffer_replace (&pad->last_buf, buf);
973 last_dts = gst_util_uint64_scale (pad->last_dts,
974 atom_trak_get_timescale (pad->trak), GST_SECOND);
976 /* raw audio has many samples per buffer (= chunk) */
977 if (pad->sample_size) {
978 sample_size = pad->sample_size;
979 if (GST_BUFFER_SIZE (last_buf) % sample_size != 0)
980 goto fragmented_sample;
981 /* note: qt raw audio storage warps it implicitly into a timewise
982 * perfect stream, discarding buffer times */
983 nsamples = GST_BUFFER_SIZE (last_buf) / sample_size;
984 duration = GST_BUFFER_DURATION (last_buf) / nsamples;
985 /* timescale = samplerate */
987 pad->last_dts += duration * nsamples;
990 sample_size = GST_BUFFER_SIZE (last_buf);
993 pad->last_dts = GST_BUFFER_OFFSET_END (last_buf);
994 if ((gint64) (pad->last_dts) < 0) {
995 scaled_dts = -gst_util_uint64_scale (-pad->last_dts,
996 atom_trak_get_timescale (pad->trak), GST_SECOND);
998 scaled_dts = gst_util_uint64_scale (pad->last_dts,
999 atom_trak_get_timescale (pad->trak), GST_SECOND);
1001 scaled_duration = scaled_dts - last_dts;
1002 last_dts = scaled_dts;
1004 /* first convert intended timestamp (in GstClockTime resolution) to
1005 * trak timescale, then derive delta;
1006 * this ensures sums of (scale)delta add up to converted timestamp,
1007 * which only deviates at most 1/scale from timestamp itself */
1008 scaled_duration = gst_util_uint64_scale (pad->last_dts + duration,
1009 atom_trak_get_timescale (pad->trak), GST_SECOND) - last_dts;
1010 pad->last_dts += duration;
1013 chunk_offset = qtmux->mdat_size;
1015 GST_LOG_OBJECT (qtmux,
1016 "Pad (%s) dts updated to %" GST_TIME_FORMAT,
1017 GST_PAD_NAME (pad->collect.pad), GST_TIME_ARGS (pad->last_dts));
1018 GST_LOG_OBJECT (qtmux,
1019 "Adding %d samples to track, duration: %" G_GUINT64_FORMAT
1020 " size: %" G_GUINT32_FORMAT " chunk offset: %" G_GUINT64_FORMAT,
1021 nsamples, scaled_duration, sample_size, chunk_offset);
1023 /* might be a sync sample */
1025 !GST_BUFFER_FLAG_IS_SET (last_buf, GST_BUFFER_FLAG_DELTA_UNIT)) {
1026 GST_LOG_OBJECT (qtmux, "Adding new sync sample entry for track of pad %s",
1027 GST_PAD_NAME (pad->collect.pad));
1031 /* optionally calculate ctts entry values
1032 * (if composition-time expected different from decoding-time) */
1033 /* really not recommended:
1034 * - decoder typically takes care of dts/pts issues
1035 * - in case of out-of-order, dts may only be determined as above
1036 * (e.g. sum of duration), which may be totally different from
1037 * buffer timestamps in case of multiple segment, non-perfect streams
1038 * (and just perhaps maybe with some luck segment_to_running_time
1039 * or segment_to_media_time might get near to it) */
1040 if ((pad->have_dts || qtmux->guess_pts) && pad->is_out_of_order) {
1043 pts = gst_util_uint64_scale (GST_BUFFER_TIMESTAMP (last_buf),
1044 atom_trak_get_timescale (pad->trak), GST_SECOND);
1045 pts_offset = (gint64) (pts - last_dts);
1047 GST_LOG_OBJECT (qtmux, "Adding ctts entry for pad %s: %" G_GINT64_FORMAT,
1048 GST_PAD_NAME (pad->collect.pad), pts_offset);
1051 /* now we go and register this buffer/sample all over */
1052 /* note that a new chunk is started each time (not fancy but works) */
1053 atom_trak_add_samples (pad->trak, nsamples, scaled_duration, sample_size,
1054 chunk_offset, sync, do_pts, pts_offset);
1057 gst_buffer_unref (buf);
1059 return gst_qt_mux_send_buffer (qtmux, last_buf, &qtmux->mdat_size, TRUE);
1065 gst_buffer_unref (buf);
1066 gst_buffer_unref (last_buf);
1067 return GST_FLOW_ERROR;
1071 GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
1072 ("Failed to determine time to mux."));
1077 GST_ELEMENT_ERROR (qtmux, STREAM, MUX, (NULL),
1078 ("Audio buffer contains fragmented sample."));
1083 GST_ELEMENT_ERROR (qtmux, CORE, NEGOTIATION, (NULL),
1084 ("format wasn't negotiated before buffer flow on pad %s",
1085 GST_PAD_NAME (pad->collect.pad)));
1086 gst_buffer_unref (buf);
1087 return GST_FLOW_NOT_NEGOTIATED;
1091 static GstFlowReturn
1092 gst_qt_mux_collected (GstCollectPads * pads, gpointer user_data)
1094 GstFlowReturn ret = GST_FLOW_OK;
1095 GstQTMux *qtmux = GST_QT_MUX_CAST (user_data);
1097 GstQTPad *best_pad = NULL;
1098 GstClockTime time, best_time = GST_CLOCK_TIME_NONE;
1101 if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_STARTED)) {
1102 if ((ret = gst_qt_mux_start_file (qtmux)) != GST_FLOW_OK)
1105 qtmux->state = GST_QT_MUX_STATE_DATA;
1108 if (G_UNLIKELY (qtmux->state == GST_QT_MUX_STATE_EOS))
1109 return GST_FLOW_UNEXPECTED;
1111 /* select the best buffer */
1112 walk = qtmux->collect->data;
1115 GstCollectData *data;
1117 data = (GstCollectData *) walk->data;
1118 pad = (GstQTPad *) data;
1120 walk = g_slist_next (walk);
1122 buf = gst_collect_pads_peek (pads, data);
1124 GST_LOG_OBJECT (qtmux, "Pad %s has no buffers",
1125 GST_PAD_NAME (pad->collect.pad));
1128 time = GST_BUFFER_TIMESTAMP (buf);
1129 gst_buffer_unref (buf);
1131 if (best_pad == NULL || !GST_CLOCK_TIME_IS_VALID (time) ||
1132 (GST_CLOCK_TIME_IS_VALID (best_time) && time < best_time)) {
1138 if (best_pad != NULL) {
1139 GST_LOG_OBJECT (qtmux, "selected pad %s with time %" GST_TIME_FORMAT,
1140 GST_PAD_NAME (best_pad->collect.pad), GST_TIME_ARGS (best_time));
1141 buf = gst_collect_pads_pop (pads, &best_pad->collect);
1142 ret = gst_qt_mux_add_buffer (qtmux, best_pad, buf);
1144 ret = gst_qt_mux_stop_file (qtmux);
1145 if (ret == GST_FLOW_OK) {
1146 gst_pad_push_event (qtmux->srcpad, gst_event_new_eos ());
1147 ret = GST_FLOW_UNEXPECTED;
1149 qtmux->state = GST_QT_MUX_STATE_EOS;
1156 gst_qt_mux_audio_sink_set_caps (GstPad * pad, GstCaps * caps)
1158 GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
1159 GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
1160 GstQTPad *qtpad = NULL;
1161 GstStructure *structure;
1162 const gchar *mimetype;
1163 gint rate, channels;
1164 const GValue *value = NULL;
1165 const GstBuffer *codec_data = NULL;
1166 GstQTMuxFormat format;
1167 AudioSampleEntry entry = { 0, };
1168 AtomInfo *ext_atom = NULL;
1169 gint constant_size = 0;
1171 /* find stream data */
1172 qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
1175 /* does not go well to renegotiate stream mid-way */
1177 goto refuse_renegotiation;
1179 GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
1180 GST_DEBUG_PAD_NAME (pad), caps);
1182 format = qtmux_klass->format;
1183 structure = gst_caps_get_structure (caps, 0);
1184 mimetype = gst_structure_get_name (structure);
1187 if (!gst_structure_get_int (structure, "channels", &channels) ||
1188 !gst_structure_get_int (structure, "rate", &rate)) {
1193 value = gst_structure_get_value (structure, "codec_data");
1195 codec_data = gst_value_get_buffer (value);
1197 qtpad->is_out_of_order = FALSE;
1198 qtpad->have_dts = FALSE;
1200 /* set common properties */
1201 entry.sample_rate = rate;
1202 entry.channels = channels;
1204 entry.sample_size = 16;
1205 /* this is the typical compressed case */
1206 if (format == GST_QT_MUX_FORMAT_QT) {
1208 entry.compression_id = -2;
1211 /* now map onto a fourcc, and some extra properties */
1212 if (strcmp (mimetype, "audio/mpeg") == 0) {
1213 gint mpegversion = 0;
1216 gst_structure_get_int (structure, "mpegversion", &mpegversion);
1217 switch (mpegversion) {
1219 gst_structure_get_int (structure, "layer", &layer);
1223 /* note: QuickTime player does not like mp3 either way in iso/mp4 */
1224 if (format == GST_QT_MUX_FORMAT_QT)
1225 entry.fourcc = FOURCC__mp3;
1227 entry.fourcc = FOURCC_mp4a;
1229 build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG1_P3,
1230 ESDS_STREAM_TYPE_AUDIO, codec_data);
1232 entry.samples_per_packet = 1152;
1233 entry.bytes_per_sample = 2;
1239 entry.fourcc = FOURCC_mp4a;
1240 if (!codec_data || GST_BUFFER_SIZE (codec_data) < 2)
1241 GST_WARNING_OBJECT (qtmux, "no (valid) codec_data for AAC audio");
1243 guint8 profile = GST_READ_UINT8 (GST_BUFFER_DATA (codec_data));
1245 /* warn if not Low Complexity profile */
1248 GST_WARNING_OBJECT (qtmux,
1249 "non-LC AAC may not run well on (Apple) QuickTime/iTunes");
1251 if (format == GST_QT_MUX_FORMAT_QT)
1252 ext_atom = build_mov_aac_extension (qtpad->trak, codec_data);
1255 build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG4_P3,
1256 ESDS_STREAM_TYPE_AUDIO, codec_data);
1261 } else if (strcmp (mimetype, "audio/AMR") == 0) {
1262 entry.fourcc = FOURCC_samr;
1263 entry.sample_size = 16;
1264 entry.samples_per_packet = 160;
1265 entry.bytes_per_sample = 2;
1266 } else if (strcmp (mimetype, "audio/x-raw-int") == 0) {
1272 if (!gst_structure_get_int (structure, "width", &width) ||
1273 !gst_structure_get_int (structure, "depth", &depth) ||
1274 !gst_structure_get_boolean (structure, "signed", &sign) ||
1275 !gst_structure_get_int (structure, "endianness", &endianness)) {
1276 GST_DEBUG_OBJECT (qtmux,
1277 "broken caps, width/depth/signed/endianness field missing");
1281 /* spec has no place for a distinction in these */
1282 if (width != depth) {
1283 GST_DEBUG_OBJECT (qtmux, "width must be same as depth!");
1288 if (endianness == G_LITTLE_ENDIAN)
1289 entry.fourcc = FOURCC_sowt;
1290 else if (endianness == G_BIG_ENDIAN)
1291 entry.fourcc = FOURCC_twos;
1292 /* maximum backward compatibility; only new version for > 16 bit */
1295 /* not compressed in any case */
1296 entry.compression_id = 0;
1297 /* QT spec says: max at 16 bit even if sample size were actually larger,
1298 * however, most players (e.g. QuickTime!) seem to disagree, so ... */
1299 entry.sample_size = depth;
1300 entry.bytes_per_sample = depth / 8;
1301 entry.samples_per_packet = 1;
1302 entry.bytes_per_packet = depth / 8;
1303 entry.bytes_per_frame = entry.bytes_per_packet * channels;
1305 if (width == 8 && depth == 8) {
1306 /* fall back to old 8-bit version */
1307 entry.fourcc = FOURCC_raw_;
1309 entry.compression_id = 0;
1310 entry.sample_size = 8;
1312 GST_DEBUG_OBJECT (qtmux, "non 8-bit PCM must be signed");
1316 constant_size = (depth / 8) * channels;
1317 } else if (strcmp (mimetype, "audio/x-alaw") == 0) {
1318 entry.fourcc = FOURCC_alaw;
1319 entry.samples_per_packet = 1023;
1320 entry.bytes_per_sample = 2;
1321 } else if (strcmp (mimetype, "audio/x-mulaw") == 0) {
1322 entry.fourcc = FOURCC_ulaw;
1323 entry.samples_per_packet = 1023;
1324 entry.bytes_per_sample = 2;
1330 /* ok, set the pad info accordingly */
1331 qtpad->fourcc = entry.fourcc;
1332 qtpad->sample_size = constant_size;
1333 atom_trak_set_audio_type (qtpad->trak, qtmux->context, &entry,
1334 entry.sample_rate, ext_atom, constant_size);
1336 gst_object_unref (qtmux);
1342 GST_WARNING_OBJECT (qtmux, "pad %s refused caps %" GST_PTR_FORMAT,
1343 GST_PAD_NAME (pad), caps);
1344 gst_object_unref (qtmux);
1347 refuse_renegotiation:
1349 GST_WARNING_OBJECT (qtmux,
1350 "pad %s refused renegotiation to %" GST_PTR_FORMAT,
1351 GST_PAD_NAME (pad), caps);
1352 gst_object_unref (qtmux);
1357 /* scale rate up or down by factor of 10 to fit into [1000,10000] interval */
1359 adjust_rate (guint64 rate)
1361 while (rate >= 10000)
1367 return (guint32) rate;
1371 gst_qt_mux_video_sink_set_caps (GstPad * pad, GstCaps * caps)
1373 GstQTMux *qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
1374 GstQTMuxClass *qtmux_klass = (GstQTMuxClass *) (G_OBJECT_GET_CLASS (qtmux));
1375 GstQTPad *qtpad = NULL;
1376 GstStructure *structure;
1377 const gchar *mimetype;
1378 gint width, height, depth = -1;
1379 gint framerate_num, framerate_den;
1381 const GValue *value = NULL;
1382 const GstBuffer *codec_data = NULL;
1383 VisualSampleEntry entry = { 0, };
1384 GstQTMuxFormat format;
1385 AtomInfo *ext_atom = NULL;
1386 gboolean sync = FALSE;
1387 int par_num, par_den;
1389 /* find stream data */
1390 qtpad = (GstQTPad *) gst_pad_get_element_private (pad);
1393 /* does not go well to renegotiate stream mid-way */
1395 goto refuse_renegotiation;
1397 GST_DEBUG_OBJECT (qtmux, "%s:%s, caps=%" GST_PTR_FORMAT,
1398 GST_DEBUG_PAD_NAME (pad), caps);
1400 format = qtmux_klass->format;
1401 structure = gst_caps_get_structure (caps, 0);
1402 mimetype = gst_structure_get_name (structure);
1404 /* required parts */
1405 if (!gst_structure_get_int (structure, "width", &width) ||
1406 !gst_structure_get_int (structure, "height", &height))
1411 /* works as a default timebase */
1412 framerate_num = 10000;
1414 gst_structure_get_fraction (structure, "framerate", &framerate_num,
1416 gst_structure_get_int (structure, "depth", &depth);
1417 value = gst_structure_get_value (structure, "codec_data");
1419 codec_data = gst_value_get_buffer (value);
1423 gst_structure_get_fraction (structure, "pixel-aspect-ratio", &par_num,
1425 /* FIXME: pixel-aspect-ratio */
1427 qtpad->is_out_of_order = FALSE;
1429 /* bring frame numerator into a range that ensures both reasonable resolution
1430 * as well as a fair duration */
1431 rate = adjust_rate (framerate_num);
1432 GST_DEBUG_OBJECT (qtmux, "Rate of video track selected: %" G_GUINT32_FORMAT,
1435 /* set common properties */
1436 entry.width = width;
1437 entry.height = height;
1438 /* should be OK according to qt and iso spec, override if really needed */
1439 entry.color_table_id = -1;
1440 entry.frame_count = 1;
1443 /* sync entries by default */
1446 /* now map onto a fourcc, and some extra properties */
1447 if (strcmp (mimetype, "video/x-raw-rgb") == 0) {
1450 entry.fourcc = FOURCC_raw_;
1451 gst_structure_get_int (structure, "bpp", &bpp);
1454 } else if (strcmp (mimetype, "video/x-raw-yuv") == 0) {
1458 gst_structure_get_fourcc (structure, "format", &format);
1460 case GST_MAKE_FOURCC ('U', 'Y', 'V', 'Y'):
1463 entry.fourcc = FOURCC_2vuy;
1464 entry.depth = depth;
1467 } else if (strcmp (mimetype, "video/x-h263") == 0) {
1468 entry.fourcc = FOURCC_h263;
1469 } else if (strcmp (mimetype, "video/x-divx") == 0 ||
1470 strcmp (mimetype, "video/mpeg") == 0) {
1473 if (strcmp (mimetype, "video/x-divx") == 0) {
1474 gst_structure_get_int (structure, "divxversion", &version);
1475 version = version == 5 ? 1 : 0;
1477 gst_structure_get_int (structure, "mpegversion", &version);
1478 version = version == 4 ? 1 : 0;
1481 entry.fourcc = FOURCC_mp4v;
1483 build_esds_extension (qtpad->trak, ESDS_OBJECT_TYPE_MPEG4_P2,
1484 ESDS_STREAM_TYPE_VISUAL, codec_data);
1486 GST_WARNING_OBJECT (qtmux, "no codec_data for MPEG4 video; "
1487 "output might not play in Apple QuickTime (try global-headers?)");
1489 } else if (strcmp (mimetype, "video/x-h264") == 0) {
1490 entry.fourcc = FOURCC_avc1;
1491 qtpad->is_out_of_order = TRUE;
1493 GST_WARNING_OBJECT (qtmux, "no codec_data in h264 caps");
1494 ext_atom = build_codec_data_extension (FOURCC_avcC, codec_data);
1495 } else if (strcmp (mimetype, "video/x-dv") == 0) {
1497 gboolean pal = TRUE;
1500 if (framerate_num != 25 || framerate_den != 1)
1502 gst_structure_get_int (structure, "dvversion", &version);
1503 /* fall back to typical one */
1509 entry.fourcc = GST_MAKE_FOURCC ('d', 'v', 'c', 'p');
1511 entry.fourcc = GST_MAKE_FOURCC ('d', 'v', 'c', ' ');
1515 entry.fourcc = GST_MAKE_FOURCC ('d', 'v', '5', 'p');
1517 entry.fourcc = GST_MAKE_FOURCC ('d', 'v', '5', 'n');
1520 GST_WARNING_OBJECT (qtmux, "unrecognized dv version");
1523 } else if (strcmp (mimetype, "image/jpeg") == 0) {
1524 entry.fourcc = FOURCC_jpeg;
1526 } else if (strcmp (mimetype, "image/x-j2c") == 0) {
1529 entry.fourcc = FOURCC_mjp2;
1531 if (!gst_structure_get_fourcc (structure, "fourcc", &fourcc) ||
1533 build_jp2h_extension (qtpad->trak, width, height, fourcc))) {
1534 GST_DEBUG_OBJECT (qtmux, "missing or invalid fourcc in jp2 caps");
1537 } else if (strcmp (mimetype, "video/x-qt-part") == 0) {
1540 gst_structure_get_fourcc (structure, "format", &fourcc);
1541 entry.fourcc = fourcc;
1542 qtpad->is_out_of_order = TRUE;
1543 qtpad->have_dts = TRUE;
1544 } else if (strcmp (mimetype, "video/x-mp4-part") == 0) {
1547 gst_structure_get_fourcc (structure, "format", &fourcc);
1548 entry.fourcc = fourcc;
1549 qtpad->is_out_of_order = TRUE;
1550 qtpad->have_dts = TRUE;
1556 /* ok, set the pad info accordingly */
1557 qtpad->fourcc = entry.fourcc;
1559 atom_trak_set_video_type (qtpad->trak, qtmux->context, &entry, rate,
1562 gst_object_unref (qtmux);
1568 GST_WARNING_OBJECT (qtmux, "pad %s refused caps %" GST_PTR_FORMAT,
1569 GST_PAD_NAME (pad), caps);
1570 gst_object_unref (qtmux);
1573 refuse_renegotiation:
1575 GST_WARNING_OBJECT (qtmux,
1576 "pad %s refused renegotiation to %" GST_PTR_FORMAT,
1577 GST_PAD_NAME (pad), caps);
1578 gst_object_unref (qtmux);
1584 gst_qt_mux_sink_event (GstPad * pad, GstEvent * event)
1590 qtmux = GST_QT_MUX_CAST (gst_pad_get_parent (pad));
1591 switch (GST_EVENT_TYPE (event)) {
1593 GST_DEBUG_OBJECT (qtmux, "received tag event");
1594 gst_event_parse_tag (event, &list);
1597 gst_tag_list_insert (qtmux->tags, list, GST_TAG_MERGE_PREPEND);
1599 qtmux->tags = gst_tag_list_copy (list);
1606 ret = qtmux->collect_event (pad, event);
1607 gst_object_unref (qtmux);
1613 gst_qt_mux_release_pad (GstElement * element, GstPad * pad)
1615 GstQTMux *mux = GST_QT_MUX_CAST (element);
1617 /* let GstCollectPads complain if it is some unknown pad */
1618 if (gst_collect_pads_remove_pad (mux->collect, pad))
1619 gst_element_remove_pad (element, pad);
1623 gst_qt_mux_request_new_pad (GstElement * element,
1624 GstPadTemplate * templ, const gchar * name)
1626 GstElementClass *klass = GST_ELEMENT_GET_CLASS (element);
1627 GstQTMux *qtmux = GST_QT_MUX_CAST (element);
1628 GstQTPad *collect_pad;
1632 GST_DEBUG_OBJECT (qtmux, "Requested pad: %s", GST_STR_NULL (name));
1634 if (qtmux->state != GST_QT_MUX_STATE_NONE) {
1635 GST_WARNING_OBJECT (qtmux, "Not providing request pad after stream start.");
1639 if (templ == gst_element_class_get_pad_template (klass, "audio_%d")) {
1641 } else if (templ == gst_element_class_get_pad_template (klass, "video_%d")) {
1644 GST_WARNING_OBJECT (qtmux, "This is not our template!");
1648 /* add pad to collections */
1649 newpad = gst_pad_new_from_template (templ, name);
1650 collect_pad = (GstQTPad *)
1651 gst_collect_pads_add_pad_full (qtmux->collect, newpad, sizeof (GstQTPad),
1652 (GstCollectDataDestroyNotify) (gst_qt_mux_pad_reset));
1654 gst_qt_mux_pad_reset (collect_pad);
1655 collect_pad->trak = atom_trak_new (qtmux->context);
1656 atom_moov_add_trak (qtmux->moov, collect_pad->trak);
1658 /* set up pad functions */
1660 gst_pad_set_setcaps_function (newpad,
1661 GST_DEBUG_FUNCPTR (gst_qt_mux_audio_sink_set_caps));
1663 gst_pad_set_setcaps_function (newpad,
1664 GST_DEBUG_FUNCPTR (gst_qt_mux_video_sink_set_caps));
1666 /* FIXME: hacked way to override/extend the event function of
1667 * GstCollectPads; because it sets its own event function giving the
1668 * element no access to events.
1670 qtmux->collect_event = (GstPadEventFunction) GST_PAD_EVENTFUNC (newpad);
1671 gst_pad_set_event_function (newpad,
1672 GST_DEBUG_FUNCPTR (gst_qt_mux_sink_event));
1674 gst_pad_set_active (newpad, TRUE);
1675 gst_element_add_pad (element, newpad);
1681 gst_qt_mux_get_property (GObject * object,
1682 guint prop_id, GValue * value, GParamSpec * pspec)
1684 GstQTMux *qtmux = GST_QT_MUX_CAST (object);
1686 GST_OBJECT_LOCK (qtmux);
1688 case PROP_LARGE_FILE:
1689 g_value_set_boolean (value, qtmux->large_file);
1691 case PROP_MOVIE_TIMESCALE:
1692 g_value_set_uint (value, qtmux->timescale);
1695 g_value_set_boolean (value, qtmux->guess_pts);
1697 case PROP_FAST_START:
1698 g_value_set_boolean (value, qtmux->fast_start);
1700 case PROP_FAST_START_TEMP_FILE:
1701 g_value_set_string (value, qtmux->fast_start_file_path);
1704 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1707 GST_OBJECT_UNLOCK (qtmux);
1711 gst_qt_mux_generate_fast_start_file_path (GstQTMux * qtmux)
1715 if (qtmux->fast_start_file_path) {
1716 g_free (qtmux->fast_start_file_path);
1717 qtmux->fast_start_file_path = NULL;
1720 tmp = g_strdup_printf ("%s%d", "qtmux", g_random_int ());
1721 qtmux->fast_start_file_path = g_build_filename (g_get_tmp_dir (), tmp, NULL);
1726 gst_qt_mux_set_property (GObject * object,
1727 guint prop_id, const GValue * value, GParamSpec * pspec)
1729 GstQTMux *qtmux = GST_QT_MUX_CAST (object);
1731 GST_OBJECT_LOCK (qtmux);
1733 case PROP_LARGE_FILE:
1734 qtmux->large_file = g_value_get_boolean (value);
1736 case PROP_MOVIE_TIMESCALE:
1737 qtmux->timescale = g_value_get_uint (value);
1740 qtmux->guess_pts = g_value_get_boolean (value);
1742 case PROP_FAST_START:
1743 qtmux->fast_start = g_value_get_boolean (value);
1745 case PROP_FAST_START_TEMP_FILE:
1746 if (qtmux->fast_start_file_path) {
1747 g_free (qtmux->fast_start_file_path);
1749 qtmux->fast_start_file_path = g_value_dup_string (value);
1750 /* NULL means to generate a random one */
1751 if (!qtmux->fast_start_file_path) {
1752 gst_qt_mux_generate_fast_start_file_path (qtmux);
1756 G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
1759 GST_OBJECT_UNLOCK (qtmux);
1762 static GstStateChangeReturn
1763 gst_qt_mux_change_state (GstElement * element, GstStateChange transition)
1765 GstStateChangeReturn ret;
1766 GstQTMux *qtmux = GST_QT_MUX_CAST (element);
1768 switch (transition) {
1769 case GST_STATE_CHANGE_NULL_TO_READY:
1771 case GST_STATE_CHANGE_READY_TO_PAUSED:
1772 gst_collect_pads_start (qtmux->collect);
1773 qtmux->state = GST_QT_MUX_STATE_STARTED;
1775 case GST_STATE_CHANGE_PAUSED_TO_PLAYING:
1777 case GST_STATE_CHANGE_PAUSED_TO_READY:
1778 gst_collect_pads_stop (qtmux->collect);
1784 ret = GST_ELEMENT_CLASS (parent_class)->change_state (element, transition);
1786 switch (transition) {
1787 case GST_STATE_CHANGE_PLAYING_TO_PAUSED:
1789 case GST_STATE_CHANGE_PAUSED_TO_READY:
1790 gst_qt_mux_reset (qtmux, TRUE);
1792 case GST_STATE_CHANGE_READY_TO_NULL:
1803 gst_qt_mux_register (GstPlugin * plugin)
1805 GTypeInfo typeinfo = {
1806 sizeof (GstQTMuxClass),
1807 (GBaseInitFunc) gst_qt_mux_base_init,
1809 (GClassInitFunc) gst_qt_mux_class_init,
1814 (GInstanceInitFunc) gst_qt_mux_init,
1816 static const GInterfaceInfo tag_setter_info = {
1820 GstQTMuxFormat format;
1821 GstQTMuxClassParams *params;
1824 GST_LOG ("Registering muxers");
1827 GstQTMuxFormatProp *prop;
1829 prop = &gst_qt_mux_format_list[i];
1830 format = prop->format;
1831 if (format == GST_QT_MUX_FORMAT_NONE)
1834 /* create a cache for these properties */
1835 params = g_new0 (GstQTMuxClassParams, 1);
1836 params->prop = prop;
1837 params->src_caps = gst_static_caps_get (&prop->src_caps);
1838 params->video_sink_caps = gst_static_caps_get (&prop->video_sink_caps);
1839 params->audio_sink_caps = gst_static_caps_get (&prop->audio_sink_caps);
1841 /* create the type now */
1842 type = g_type_register_static (GST_TYPE_ELEMENT, prop->type_name, &typeinfo,
1844 g_type_set_qdata (type, GST_QT_MUX_PARAMS_QDATA, (gpointer) params);
1845 g_type_add_interface_static (type, GST_TYPE_TAG_SETTER, &tag_setter_info);
1847 if (!gst_element_register (plugin, prop->name, GST_RANK_NONE, type))
1853 GST_LOG ("Finished registering muxers");
1859 gst_qt_mux_plugin_init (GstPlugin * plugin)
1861 GST_DEBUG_CATEGORY_INIT (gst_qt_mux_debug, "qtmux", 0, "QT Muxer");
1863 return gst_qt_mux_register (plugin);
1866 GST_PLUGIN_DEFINE (GST_VERSION_MAJOR,
1869 "Quicktime Muxer plugin",
1870 gst_qt_mux_plugin_init, VERSION, "LGPL", "gsoc2008 package",
1871 "embedded.ufcg.edu.br")