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qtdemux: reset sample_description_id to default

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Fixes stream where sample_description_id is specified in the tfhd

https://bugzilla.gnome.org/show_bug.cgi?id=778337
This commit is contained in:
Jürgen Sachs 2017-04-20 11:22:15 +02:00 committed by Edward Hervey
parent fe77e2efe8
commit 7c658c3c04
1 changed files with 7 additions and 4 deletions
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11
gst/isomp4/qtdemux.c
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@ -414,6 +414,7 @@ struct _QtDemuxStream
/* fragmented */
gboolean parsed_trex;
guint32 def_sample_description_index; /* index is 1-based */
guint32 def_sample_duration;
guint32 def_sample_size;
guint32 def_sample_flags;
@ -2950,7 +2951,7 @@ qtdemux_parse_trex (GstQTDemux * qtdemux, QtDemuxStream * stream,
trex = qtdemux_tree_get_child_by_type_full (mvex, FOURCC_trex,
&trex_data);
while (trex) {
guint32 id = 0, dur = 0, size = 0, flags = 0, dummy = 0;
guint32 id = 0, sdi = 0, dur = 0, size = 0, flags = 0;
/* skip version/flags */
if (!gst_byte_reader_skip (&trex_data, 4))
@ -2959,8 +2960,7 @@ qtdemux_parse_trex (GstQTDemux * qtdemux, QtDemuxStream * stream,
goto next;
if (id != stream->track_id)
goto next;
/* sample description index; ignore */
if (!gst_byte_reader_get_uint32_be (&trex_data, &dummy))
if (!gst_byte_reader_get_uint32_be (&trex_data, &sdi))
goto next;
if (!gst_byte_reader_get_uint32_be (&trex_data, &dur))
goto next;
@ -2974,6 +2974,7 @@ qtdemux_parse_trex (GstQTDemux * qtdemux, QtDemuxStream * stream,
dur, size, flags);
stream->parsed_trex = TRUE;
stream->def_sample_description_index = sdi;
stream->def_sample_duration = dur;
stream->def_sample_size = size;
stream->def_sample_flags = flags;
@ -3426,7 +3427,9 @@ qtdemux_parse_tfhd (GstQTDemux * qtdemux, GstByteReader * tfhd,
qtdemux_parse_trex (qtdemux, *stream,
default_sample_duration, default_sample_size, default_sample_flags);
/* FIXME: Handle TF_SAMPLE_DESCRIPTION_INDEX properly */
(*stream)->stsd_sample_description_id =
(*stream)->def_sample_description_index - 1;
if (flags & TF_SAMPLE_DESCRIPTION_INDEX) {
guint32 sample_description_index;
if (!gst_byte_reader_get_uint32_be (tfhd, &sample_description_index))