On Sun, Jul 15, 2012 at 08:00:26PM +0300, Martin Storsjö wrote:
> From: Mohammad Alsaleh <[email protected]>
> 
> Passing a cutoff value < sample_rate/256 will cause a crash.
> Also, values >20000 will have no effect and 20000 will be used anyway.
> 
> Signed-off-by: Mohammad Alsaleh <[email protected]>
> ---
> Got this from a contributor on irc (who probably isn't subscribed),
> ok'd by me, will push later unless there's objections.
> 
>  libavcodec/libfdk-aacenc.c |    5 +++++
>  1 file changed, 5 insertions(+)
> 
> diff --git a/libavcodec/libfdk-aacenc.c b/libavcodec/libfdk-aacenc.c
> index b2bfad2..f2c3fbd 100644
> --- a/libavcodec/libfdk-aacenc.c
> +++ b/libavcodec/libfdk-aacenc.c
> @@ -231,6 +231,11 @@ static av_cold int aac_encode_init(AVCodecContext *avctx)
>      }
>  
>      if (avctx->cutoff > 0) {
> +        if (avctx->cutoff < (avctx->sample_rate + 255) >> 8) {
> +            av_log(avctx, AV_LOG_ERROR, "cutoff valid range is %d-20000\n",
> +                   (avctx->sample_rate + 255) >> 8);
> +            goto error;
> +        }
>          if ((err = aacEncoder_SetParam(s->handle, AACENC_BANDWIDTH,
>                                         avctx->cutoff)) != AACENC_OK) {
>              av_log(avctx, AV_LOG_ERROR, "Unable to set the encoder bandwith 
> to %d: %s\n",
> -- 

LGTM
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