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codecs: Fix the H265 poc out of order warning.

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We always get a warning such as:
h265decoder gsth265decoder.c:1432:gst_h265_decoder_do_output_picture: \
<vah265dec0> Outputting out of order 255 -> 0, likely a broken stream
in H265 decoder.

The problem is caused because we fail to reset the last_output_poc when
we get IDR and BLA. The incoming IDR and BLA frame already bump all the
frames in the DPB, but we forget to reset the last_output_poc, which
make the POC out of order and generate the warning all the time.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-plugins-bad/-/merge_requests/2294>
This commit is contained in:
He Junyan 2021-06-05 21:59:50 +08:00 committed by GStreamer Marge Bot
parent a1350852e7
commit 2db3ce32ef
1 changed files with 8 additions and 0 deletions
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8
gst-libs/gst/codecs/gsth265decoder.c
View file

@ -1521,6 +1521,14 @@ gst_h265_decoder_dpb_init (GstH265Decoder * self, const GstH265Slice * slice,
gst_h265_dpb_delete_unused (priv->dpb);
while ((to_output = gst_h265_dpb_bump (priv->dpb, FALSE)) != NULL)
gst_h265_decoder_do_output_picture (self, to_output);
if (gst_h265_dpb_get_size (priv->dpb) > 0) {
GST_WARNING_OBJECT (self, "IDR or BLA frame failed to clear the dpb, "
"there are still %d pictures in the dpb, last output poc is %d",
gst_h265_dpb_get_size (priv->dpb), priv->last_output_poc);
} else {
priv->last_output_poc = 0;
}
}
} else {
gst_h265_dpb_delete_unused (priv->dpb);