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v4l2videodec: treat MPEG 1 format as MPEG 2

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Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4787>
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Hou Qi 2023-06-06 09:24:37 +08:00 committed by Tim-Philipp Müller
parent f813a2813e
commit 81a2f2d779
1 changed files with 14 additions and 6 deletions
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20
subprojects/gst-plugins-good/sys/v4l2/gstv4l2videodec.c
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@ -1384,12 +1384,20 @@ G_STMT_START { \
gint mpegversion = 0; gint mpegversion = 0;
gst_structure_get_int (s, "mpegversion", &mpegversion); gst_structure_get_int (s, "mpegversion", &mpegversion);
if (mpegversion == 2) { switch (mpegversion) {
SET_META ("MPEG2"); /* MPEG 2 decoders supports MPEG 1 format */
cdata->codec = gst_v4l2_mpeg2_get_codec (); case 1:
} else { case 2:
SET_META ("MPEG4"); SET_META ("MPEG2");
cdata->codec = gst_v4l2_mpeg4_get_codec (); cdata->codec = gst_v4l2_mpeg2_get_codec ();
break;
case 4:
SET_META ("MPEG4");
cdata->codec = gst_v4l2_mpeg4_get_codec ();
break;
default:
g_warning ("Unsupported MPEG Video version %i", mpegversion);
break;
} }
} else if (gst_structure_has_name (s, "video/x-h263")) { } else if (gst_structure_has_name (s, "video/x-h263")) {
SET_META ("H263"); SET_META ("H263");