[FFmpeg-devel] [PATCH 1/2] aaccoder_twoloop: Mark sfdiff as av_unused

[Claudio Freire]

On Sun, Nov 8, 2015 at 2:01 AM, Timothy Gu <timothygu99 at gmail.com> wrote:
> ---
>  libavcodec/aaccoder_twoloop.h | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/aaccoder_twoloop.h b/libavcodec/aaccoder_twoloop.h
> index e53257f..328d7c8 100644
> --- a/libavcodec/aaccoder_twoloop.h
> +++ b/libavcodec/aaccoder_twoloop.h
> @@ -691,7 +691,7 @@ static void search_for_quantizers_twoloop(AVCodecContext *avctx,
>              /** Check that there's no SF delta range violations */
>              if (!sce->zeroes[w*16+g]) {
>                  if (prev != -1) {
> -                    int sfdiff = sce->sf_idx[w*16+g] - prev + SCALE_DIFF_ZERO;
> +                    av_unused int sfdiff = sce->sf_idx[w*16+g] - prev + SCALE_DIFF_ZERO;
>                      av_assert1(sfdiff >= 0 && sfdiff <= 2*SCALE_MAX_DIFF);
>                  }
>                  prev = sce->sf_idx[w*16+g];
> --
> 2.1.4

This particular piece of code is going to disappear soon, so not sure
it's worth applying the patch.

Is the warning causing any troubles?