v4l2videodec: treat MPEG 1 format as MPEG 2

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/4770>
This commit is contained in:
Hou Qi 2023-06-06 09:24:37 +08:00 committed by GStreamer Marge Bot
parent e6cd58bc3c
commit fe21b750f9

View file

@ -1384,12 +1384,20 @@ G_STMT_START { \
gint mpegversion = 0;
gst_structure_get_int (s, "mpegversion", &mpegversion);
if (mpegversion == 2) {
SET_META ("MPEG2");
cdata->codec = gst_v4l2_mpeg2_get_codec ();
} else {
SET_META ("MPEG4");
cdata->codec = gst_v4l2_mpeg4_get_codec ();
switch (mpegversion) {
/* MPEG 2 decoders supports MPEG 1 format */
case 1:
case 2:
SET_META ("MPEG2");
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")) {
SET_META ("H263");