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avcodec/v4l2_context: use EAGAIN to signal when input buffers are unavailable

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ENOMEM indicates an allocation failure, and there are no allocations
happening here. The buffers are pre-allocated and there are simply
none available at this time.

Signed-off-by: Aman Gupta <aman@tmm1.net>
This commit is contained in:
Aman Gupta 2019-08-28 16:42:46 -07:00
parent da45ad48f9
commit c95b127733
2 changed files with 2 additions and 2 deletions
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2
libavcodec/v4l2_context.c
View File

@ -572,7 +572,7 @@ int ff_v4l2_context_enqueue_packet(V4L2Context* ctx, const AVPacket* pkt)
avbuf = v4l2_getfree_v4l2buf(ctx);
if (!avbuf)
return AVERROR(ENOMEM);
return AVERROR(EAGAIN);
ret = ff_v4l2_buffer_avpkt_to_buf(pkt, avbuf);
if (ret)

2
libavcodec/v4l2_m2m_dec.c
View File

@ -142,7 +142,7 @@ static int v4l2_receive_frame(AVCodecContext *avctx, AVFrame *frame)
ret = ff_v4l2_context_enqueue_packet(output, &avpkt);
if (ret < 0) {
if (ret != AVERROR(ENOMEM))
if (ret != AVERROR(EAGAIN))
return ret;
/* no input buffers available, continue dequeing */
}