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qtdemux: parse the track id from the track header

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Signed-off-by: Andoni Morales Alastruey <amorales@flumotion.com>

https://bugzilla.gnome.org/show_bug.cgi?id=596321
This commit is contained in:
Marc-André Lureau 2010-03-11 10:24:56 +01:00 committed by Mark Nauwelaerts
parent 2fa531ee3c
commit c9b866a994
1 changed files with 13 additions and 4 deletions
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17
gst/qtdemux/qtdemux.c
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@ -205,6 +205,9 @@ struct _QtDemuxStream
/* if the stream has a redirect URI in its headers, we store it here */
gchar *redirect_uri;
/* track id */
guint track_id;
/* duration/scale */
guint64 duration; /* in timescale */
guint32 timescale;
@ -5173,7 +5176,7 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
guint32 tkhd_flags = 0;
guint8 tkhd_version = 0;
guint32 fourcc;
guint len;
guint value_size, len;
stream = g_new0 (QtDemuxStream, 1);
/* new streams always need a discont */
@ -5191,8 +5194,14 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
|| !gst_byte_reader_get_uint24_be (&tkhd, &tkhd_flags))
goto corrupt_file;
GST_LOG_OBJECT (qtdemux, "track[tkhd] version/flags: 0x%02x/%06x",
tkhd_version, tkhd_flags);
/* pick between 64 or 32 bits */
value_size = tkhd_version == 1 ? 8 : 4;
if (!gst_byte_reader_skip (&tkhd, value_size * 2) ||
!gst_byte_reader_get_uint32_be (&tkhd, &stream->track_id))
goto corrupt_file;
GST_LOG_OBJECT (qtdemux, "track[tkhd] version/flags/id: 0x%02x/%06x/%u",
tkhd_version, tkhd_flags, stream->track_id);
if (!(mdia = qtdemux_tree_get_child_by_type (trak, FOURCC_mdia)))
goto corrupt_file;
@ -5311,7 +5320,7 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
stream->sampled = TRUE;
/* version 1 uses some 64-bit ints */
if (!gst_byte_reader_skip (&tkhd, (tkhd_version == 1) ? 84 : 72)
if (!gst_byte_reader_skip (&tkhd, 56 + value_size)
|| !gst_byte_reader_get_uint32_be (&tkhd, &w)
|| !gst_byte_reader_get_uint32_be (&tkhd, &h))
goto corrupt_file;