[FFmpeg-cvslog] hevc: free sao buffers when receiving a new SPS

[Clément Bœsch]

On Thu, Feb 05, 2015 at 10:00:19PM +0100, Christophe Gisquet wrote:
> ffmpeg | branch: master | Christophe Gisquet <christophe.gisquet at gmail.com> | Thu Feb  5 19:51:22 2015 +0100| [9a2f5d825a257cc72d569a91746219c7974da6e4] | committer: Michael Niedermayer
> 
> hevc: free sao buffers when receiving a new SPS
> 
> The buffer pointers would be otherwise overwritten, causing a
> leak on e.g. PERSIST_RPARAM_A_RExt_Sony_1.
> 
> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> 
> > http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9a2f5d825a257cc72d569a91746219c7974da6e4
> ---
> 
>  libavcodec/hevc.c |    9 ++++++++-
>  1 file changed, 8 insertions(+), 1 deletion(-)
> 
> diff --git a/libavcodec/hevc.c b/libavcodec/hevc.c
> index 0624cb0..afbfda1 100644
> --- a/libavcodec/hevc.c
> +++ b/libavcodec/hevc.c
> @@ -284,7 +284,7 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps)
>  {
>      #define HWACCEL_MAX (CONFIG_HEVC_DXVA2_HWACCEL)
>      enum AVPixelFormat pix_fmts[HWACCEL_MAX + 2], *fmt = pix_fmts;
> -    int ret;
> +    int ret, i;
>      unsigned int num = 0, den = 0;
>  
>      pic_arrays_free(s);
> @@ -334,6 +334,13 @@ static int set_sps(HEVCContext *s, const HEVCSPS *sps)
>      ff_hevc_dsp_init (&s->hevcdsp, sps->bit_depth);
>      ff_videodsp_init (&s->vdsp,    sps->bit_depth);
>  
> +    for (i = 0; i < 3; i++) {

> +        if (s->sao_pixel_buffer_h[i])
> +            av_freep(&s->sao_pixel_buffer_h[i]);
> +        if (s->sao_pixel_buffer_v[i])
> +            av_freep(&s->sao_pixel_buffer_v[i]);

Unecessary if, please drop them

-- 
Clément B.
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