Re: [FFmpeg-devel] [PATCH] avcodec/zerocodec: Avoid undefined NULL - 0

[Andreas Rheinhardt <andreas.rheinhardt@outlook.com>]

Andreas Rheinhardt:
> Fixes the zerocodec FATE-test.
> 
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
> ---
>  libavcodec/zerocodec.c | 5 +++--
>  1 file changed, 3 insertions(+), 2 deletions(-)
> 
> diff --git a/libavcodec/zerocodec.c b/libavcodec/zerocodec.c
> index 93fc2834e4..42fb24ff6c 100644
> --- a/libavcodec/zerocodec.c
> +++ b/libavcodec/zerocodec.c
> @@ -84,11 +84,12 @@ static int zerocodec_decode_frame(AVCodecContext *avctx, AVFrame *pic,
>              return AVERROR_INVALIDDATA;
>          }
>  
> -        if (!(avpkt->flags & AV_PKT_FLAG_KEY))
> +        if (!(avpkt->flags & AV_PKT_FLAG_KEY)) {
>              for (j = 0; j < avctx->width << 1; j++)
>                  dst[j] += prev[j] & -!dst[j];
> +            prev -= prev_pic->linesize[0];
> +        }
>  
> -        prev -= prev_pic->linesize[0];
>          dst  -= pic->linesize[0];
>      }
>  

Will apply this patch tomorrow unless there are objections.

- Andreas

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