[FFmpeg-devel] [PATCH v5 5/7] avcodec/v4l2_context: resume the decoding process after source change event received.

[Andriy Gelman]

On Tue, 04. Jan 17:08, Ming Qian wrote:
> client need to resume the decoding process
> after it dequeues the source change event.
> no matter what's the return value of v4l2_resolution_changed().
> if the client doesn't resume the decoding process,
> the decoder may keep waiting
> 
> in documentation of v4l2 stateful decoder, we can see the following
> description:
> 	The client must continue the sequence as described below to
> 	continue the decoding process.
> 	1.  Dequeue the source change event.
> 		Important
> 		A source change triggers an implicit decoder drain,
> 		similar to the explicit Drain sequence. The decoder is
> 		stopped after it completes. The decoding process must be
> 		resumed with either a pair of calls to
> 		VIDIOC_STREAMOFF() and VIDIOC_STREAMON() on the CAPTURE
> 		queue, or a call to VIDIOC_DECODER_CMD() with the
> 		V4L2_DEC_CMD_START command.
> 	2.  Continue with the Capture Setup sequence.
> 

This is just a clean up to remove the reinit variable so the commit title and
description are wrong.

Thanks,
-- 
Andriy