[FFmpeg-devel] [PATCH 1/2] lavc/qsvdec: return 0 if more data is required

[Xiang, Haihao]

On Ma, 2023-11-27 at 14:01 +0800, Xiang, Haihao wrote:
> From: Haihao Xiang <haihao.xiang at intel.com>
> 
> The type of qsv decoders is FF_CODEC_CB_TYPE_DECODE which must not
> return AVERROR(EAGAIN). commit 42b20c9 added an assertion to check the
> returned value.
> 
> Signed-off-by: Haihao Xiang <haihao.xiang at intel.com>
> ---
>  libavcodec/qsvdec.c | 3 +++
>  1 file changed, 3 insertions(+)
> 
> diff --git a/libavcodec/qsvdec.c b/libavcodec/qsvdec.c
> index da700f25e9..b501964089 100644
> --- a/libavcodec/qsvdec.c
> +++ b/libavcodec/qsvdec.c
> @@ -1076,6 +1076,9 @@ static int qsv_decode_frame(AVCodecContext *avctx,
> AVFrame *frame,
>  
>          ret = qsv_process_data(avctx, &s->qsv, frame, got_frame, &s-
> >buffer_pkt);
>          if (ret < 0){
> +            if (ret == AVERROR(EAGAIN))
> +                ret = 0;
> +
>              /* Drop buffer_pkt when failed to decode the packet. Otherwise,
>                 the decoder will keep decoding the failure packet. */
>              av_packet_unref(&s->buffer_pkt);

Will apply the patchset, 

Thanks
Haihao