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matroska: default prores fourcc apcn

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If there is no codec private data for prores it should default to Apple
ProRes 422 Standard Definition (apcn). Can be tested with
strobe_scientist.mkv from
https://developers.google.com/media/vp9/hdr-encoding

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1734>
This commit is contained in:
Sebastian Wick 2022-02-17 17:36:22 +01:00 committed by GStreamer Marge Bot
parent 53ed876002
commit e61e069189
1 changed files with 5 additions and 5 deletions
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10
subprojects/gst-plugins-good/gst/matroska/matroska-demux.c
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@ -6643,16 +6643,16 @@ gst_matroska_demux_video_caps (GstMatroskaTrackVideoContext *
}
*codec_name = g_strdup_printf ("FFMpeg v1");
} else if (!strcmp (codec_id, GST_MATROSKA_CODEC_ID_VIDEO_PRORES)) {
guint32 fourcc;
guint32 fourcc = 0;
const gchar *variant, *variant_descr = "";
/* Expect a fourcc in the codec private data */
if (!data || size < 4) {
GST_WARNING ("No or too small PRORESS fourcc (%d bytes)", size);
return NULL;
if (data && size >= 4) {
fourcc = GST_STR_FOURCC (data);
} else {
GST_DEBUG ("Picking apcn variant because no ProRes codec data found");
}
fourcc = GST_STR_FOURCC (data);
switch (fourcc) {
case GST_MAKE_FOURCC ('a', 'p', 'c', 's'):
variant_descr = " 4:2:2 LT";