Cameron Gutman 30322ebe3c avcodec/v4l2_m2m_dec: dequeue frame if input isn't ready ...

The V4L2M2M API operates asynchronously, so multiple packets can
be enqueued before getting a batch of frames back. Since it was
only possible to receive a frame by submitting another packet,
there wasn't a way to drain those excess output frames from when
avcodec_receive_frame() returned AVERROR(EAGAIN).

Reviewed-by: Andriy Gelman <andriy.gelman@gmail.com>
Signed-off-by: Cameron Gutman <aicommander@gmail.com>

2021-12-28 18:12:47 -05:00

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