[FFmpeg-devel] [PATCH 1/3] avcodec/speedhq: Replace always-true check by assert

Andreas Rheinhardt andreas.rheinhardt at outlook.com
Wed Dec 15 17:58:24 EET 2021


Andreas Rheinhardt:
> Should fix Coverity tickets #1473572 and #1473504.
> 
> Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt at outlook.com>
> ---
>  libavcodec/speedhq.c | 3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
> 
> diff --git a/libavcodec/speedhq.c b/libavcodec/speedhq.c
> index 91ba80ebd3..743dacc6ce 100644
> --- a/libavcodec/speedhq.c
> +++ b/libavcodec/speedhq.c
> @@ -295,7 +295,8 @@ static int decode_speedhq_border(const SHQContext *s, GetBitContext *gb, AVFrame
>          if (s->subsampling == SHQ_SUBSAMPLING_420) {
>              dest_cb = frame->data[1] + frame->linesize[1] * (y/2 + field_number) + x / 2;
>              dest_cr = frame->data[2] + frame->linesize[2] * (y/2 + field_number) + x / 2;
> -        } else if (s->subsampling == SHQ_SUBSAMPLING_422) {
> +        } else {
> +            av_assert2(s->subsampling == SHQ_SUBSAMPLING_422);
>              dest_cb = frame->data[1] + frame->linesize[1] * (y + field_number) + x / 2;
>              dest_cr = frame->data[2] + frame->linesize[2] * (y + field_number) + x / 2;
>          }
> 

Will apply this patchset later tonight unless there are objections.

- Andreas


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