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da34723a6b
Original commit message from CVS: * gst/matroska/Makefile.am: * gst/matroska/matroska-demux.c: (gst_matroska_demux_add_stream), (gst_matroska_demux_handle_src_event): * gst/matroska/matroska-ids.c: (gst_matroska_track_init_video_context), (gst_matroska_track_init_audio_context), (gst_matroska_track_init_subtitle_context), (gst_matroska_track_init_complex_context): * gst/matroska/matroska-ids.h: Handle case where the TrackType ebml chunk does not come before the TrackInfoAudio or TrackInfoVideo ebml chunk (#339446). Ignore QoS events.
132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/* GStreamer Matroska muxer/demuxer
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* (C) 2003 Ronald Bultje <rbultje@ronald.bitfreak.net>
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* (C) 2006 Tim-Philipp Müller <tim centricular net>
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*
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* matroska-ids.c: matroska track context utility functions
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include "matroska-ids.h"
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gboolean
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gst_matroska_track_init_video_context (GstMatroskaTrackContext ** p_context)
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{
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GstMatroskaTrackVideoContext *video_context;
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g_assert (p_context != NULL && *p_context != NULL);
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/* already set up? (track info might come before track type) */
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if ((*p_context)->type == GST_MATROSKA_TRACK_TYPE_VIDEO) {
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GST_LOG ("video context already set up");
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return TRUE;
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}
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/* it better not have been set up as some other track type ... */
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if ((*p_context)->type != 0) {
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g_return_val_if_reached (FALSE);
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}
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video_context = g_renew (GstMatroskaTrackVideoContext, *p_context, 1);
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*p_context = (GstMatroskaTrackContext *) video_context;
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/* defaults */
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(*p_context)->type = GST_MATROSKA_TRACK_TYPE_VIDEO;
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video_context->display_width = 0;
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video_context->display_height = 0;
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video_context->pixel_width = 0;
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video_context->pixel_height = 0;
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video_context->eye_mode = 0;
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video_context->asr_mode = 0;
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video_context->fourcc = 0;
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return TRUE;
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}
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gboolean
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gst_matroska_track_init_audio_context (GstMatroskaTrackContext ** p_context)
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{
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GstMatroskaTrackAudioContext *audio_context;
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g_assert (p_context != NULL && *p_context != NULL);
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/* already set up? (track info might come before track type) */
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if ((*p_context)->type == GST_MATROSKA_TRACK_TYPE_AUDIO)
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return TRUE;
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/* it better not have been set up as some other track type ... */
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if ((*p_context)->type != 0) {
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g_return_val_if_reached (FALSE);
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}
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audio_context = g_renew (GstMatroskaTrackAudioContext, *p_context, 1);
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*p_context = (GstMatroskaTrackContext *) audio_context;
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/* defaults */
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(*p_context)->type = GST_MATROSKA_TRACK_TYPE_AUDIO;
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audio_context->channels = 1;
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audio_context->samplerate = 8000;
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return TRUE;
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}
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gboolean
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gst_matroska_track_init_subtitle_context (GstMatroskaTrackContext ** p_context)
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{
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GstMatroskaTrackSubtitleContext *subtitle_context;
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g_assert (p_context != NULL && *p_context != NULL);
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/* already set up? (track info might come before track type) */
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if ((*p_context)->type == GST_MATROSKA_TRACK_TYPE_SUBTITLE)
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return TRUE;
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/* it better not have been set up as some other track type ... */
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if ((*p_context)->type != 0) {
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g_return_val_if_reached (FALSE);
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}
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subtitle_context = g_renew (GstMatroskaTrackSubtitleContext, *p_context, 1);
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*p_context = (GstMatroskaTrackContext *) subtitle_context;
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(*p_context)->type = GST_MATROSKA_TRACK_TYPE_SUBTITLE;
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return TRUE;
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}
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gboolean
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gst_matroska_track_init_complex_context (GstMatroskaTrackContext ** p_context)
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{
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GstMatroskaTrackComplexContext *complex_context;
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g_assert (p_context != NULL && *p_context != NULL);
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/* already set up? (track info might come before track type) */
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if ((*p_context)->type == GST_MATROSKA_TRACK_TYPE_COMPLEX)
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return TRUE;
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/* it better not have been set up as some other track type ... */
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if ((*p_context)->type != 0) {
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g_return_val_if_reached (FALSE);
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}
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complex_context = g_renew (GstMatroskaTrackComplexContext, *p_context, 1);
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*p_context = (GstMatroskaTrackContext *) complex_context;
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(*p_context)->type = GST_MATROSKA_TRACK_TYPE_COMPLEX;
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return TRUE;
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}
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