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avviddec: Don't return GST_FLOW_EOS from drain()/finish()

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AVERROR_EOF means that it's fully drained, but it doesn't
mean that that end of stream.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gst-libav/-/merge_requests/90>
This commit is contained in:
Seungha Yang 2020-09-16 03:13:09 +09:00
parent 7388b14423
commit 72933810f5
1 changed files with 8 additions and 0 deletions
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8
ext/libav/gstavviddec.c
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@ -1824,6 +1824,14 @@ gst_ffmpegviddec_drain (GstVideoDecoder * decoder)
} while (got_frame && ret == GST_FLOW_OK);
avcodec_flush_buffers (ffmpegdec->context);
/* FFMpeg will return AVERROR_EOF if it's internal was fully drained
* then we are translating it to GST_FLOW_EOS. However, because this behavior
* is fullly internal stuff of this implementation and gstvideodecoer
* baseclass doesn't convert this GST_FLOW_EOS to GST_FLOW_OK,
* convert this flow retturn by ourselves */
if (ret == GST_FLOW_EOS)
ret = GST_FLOW_OK;
done:
return ret;