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v4l2codecs: vp9: Drop frames on non-keyframe format change

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V4L2 does not yet support this feature, this will skip over the
transition portion up to the next keyframe.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/1404>
This commit is contained in:
Nicolas Dufresne 2021-12-01 12:16:40 -05:00
parent a6eb1e7782
commit 05458f05e0
1 changed files with 5 additions and 0 deletions
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5
subprojects/gst-plugins-bad/sys/v4l2codecs/gstv4l2codecvp9dec.c
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@ -353,6 +353,7 @@ gst_v4l2_codec_vp9_dec_fill_dec_params (GstV4l2CodecVp9Dec * self,
static gboolean
gst_v4l2_codec_vp9_dec_open (GstVideoDecoder * decoder)
{
GstVp9Decoder *vp9dec = GST_VP9_DECODER (decoder);
GstV4l2CodecVp9Dec *self = GST_V4L2_CODEC_VP9_DEC (decoder);
if (!gst_v4l2_decoder_open (self->decoder)) {
@ -362,6 +363,10 @@ gst_v4l2_codec_vp9_dec_open (GstVideoDecoder * decoder)
return FALSE;
}
/* V4L2 does not support non-keyframe resolution change, this will ask the
* base class to drop frame until the next keyframe as a workaround. */
gst_vp9_decoder_set_non_keyframe_format_change_support (vp9dec, FALSE);
return TRUE;
}