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qtdemux: workaround for files with wrong color_table_id value

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Instead of erroring out, just use the default color table.

https://bugzilla.gnome.org/show_bug.cgi?id=761637
This commit is contained in:
Matej Knopp 2016-02-06 14:39:05 +01:00 committed by Tim-Philipp Müller
parent df341f41dc
commit f96c9eb6bc
1 changed files with 8 additions and 0 deletions
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8
gst/isomp4/qtdemux.c
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@ -8917,6 +8917,14 @@ qtdemux_parse_trak (GstQTDemux * qtdemux, GNode * trak)
stream->bits_per_sample = QT_UINT16 (stsd_data + offset + 82);
stream->color_table_id = QT_UINT16 (stsd_data + offset + 84);
/* if color_table_id is 0, ctab atom must follow; however some files
* produced by TMPEGEnc have color_table_id = 0 and no ctab atom, so
* if color table is not present we'll correct the value */
if (stream->color_table_id == 0 &&
(len < 90 || QT_FOURCC (stsd_data + offset + 86) != FOURCC_ctab)) {
stream->color_table_id = -1;
}
GST_LOG_OBJECT (qtdemux, "width %d, height %d, bps %d, color table id %d",
stream->width, stream->height, stream->bits_per_sample,
stream->color_table_id);