[FFmpeg-devel] [PATCH] showwaves: fix first sample of frame test.

[Stefano Sabatini]

On date Saturday 2012-06-23 11:52:46 +0200, Nicolas George encoded:
> Avoids a huge memleak when n != 1.
> 
> Signed-off-by: Nicolas George <nicolas.george at normalesup.org>
> ---
>  libavfilter/avf_showwaves.c |    2 +-
>  1 file changed, 1 insertion(+), 1 deletion(-)
> 
> 
> Note: I used "== 0" to be consistent with the existing code.
> 
> 
> diff --git a/libavfilter/avf_showwaves.c b/libavfilter/avf_showwaves.c
> index 645065f..90d3ec9 100644
> --- a/libavfilter/avf_showwaves.c
> +++ b/libavfilter/avf_showwaves.c
> @@ -196,7 +196,7 @@ static void filter_samples(AVFilterLink *inlink, AVFilterBufferRef *insamples)
>  
>      /* draw data in the buffer */
>      for (i = 0; i < nb_samples; i++) {
> -        if (showwaves->buf_idx == 0) {
> +        if (showwaves->buf_idx == 0 && showwaves->sample_count_mod == 0) {
>              showwaves->outpicref = outpicref =
>                  ff_get_video_buffer(outlink, AV_PERM_WRITE|AV_PERM_ALIGN,
>                                      outlink->w, outlink->h);

10l, should be ok if tested, thanks.
-- 
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