[FFmpeg-devel] [PATCH] aacenc_ltp: attempt to appease Coverity

Hendrik Leppkes h.leppkes at gmail.com
Thu Dec 3 23:51:03 CET 2015


On Thu, Dec 3, 2015 at 11:31 PM, Rostislav Pehlivanov
<atomnuker at gmail.com> wrote:
> Coverity is reporting an out of bounds here even though there shouldn't
> be one. Attempt to apply some stylistic dithering to make it stop.
> ---
>  libavcodec/aacenc_ltp.c | 2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/libavcodec/aacenc_ltp.c b/libavcodec/aacenc_ltp.c
> index e19f3cc..0f449de 100644
> --- a/libavcodec/aacenc_ltp.c
> +++ b/libavcodec/aacenc_ltp.c
> @@ -167,7 +167,7 @@ void ff_aac_search_for_ltp(AACEncContext *s, SingleChannelElement *sce,
>
>      if (sce->ics.window_sequence[0] == EIGHT_SHORT_SEQUENCE) {
>          if (sce->ics.ltp.lag) {
> -            memset(&sce->lcoeffs[0], 0.0f, 3072*sizeof(sce->lcoeffs[0]));
> +            memset(sce->lcoeffs, 0, 3072*sizeof(sce->lcoeffs[0]));
>              memset(&sce->ics.ltp, 0, sizeof(LongTermPrediction));
>          }
>          return;
> --

lcoeffs is only 1024 elements, so it appears coverity is right? :)

- Hendrik


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