[FFmpeg-devel] avcodec/vaapi_h264: skip decode if pic has no slices

[Thomas Xu]

should we return AVERROR_INVALIDDATA instead of -1?
thanks

On Sat, Mar 9, 2019 at 8:25 PM Peter F <peter.fruehberger at gmail.com> wrote:

> From 816e9156235a5d7d895b09c0235c9f8f1f7703e7 Mon Sep 17 00:00:00 2001
> From: xbmc <fernetmenta at online.de>
> Date: Sat, 26 Jan 2019 19:48:35 +0100
> Subject: [PATCH] avcodec/vaapi_h264: skip decode if pic has no slices
>
> ---
>  libavcodec/vaapi_h264.c | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/libavcodec/vaapi_h264.c b/libavcodec/vaapi_h264.c
> index 5854587a25..81a46fa747 100644
> --- a/libavcodec/vaapi_h264.c
> +++ b/libavcodec/vaapi_h264.c
> @@ -317,6 +317,11 @@ static int vaapi_h264_end_frame(AVCodecContext *avctx)
>      H264SliceContext *sl = &h->slice_ctx[0];
>      int ret;
>
> +    if (pic->nb_slices == 0) {
> +        ret = -1;
> +        goto finish;
> +    }
> +
>      ret = ff_vaapi_decode_issue(avctx, pic);
>      if (ret < 0)
>          goto finish;
> --
> 2.19.1
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