"Ronald S. Bultje" <[email protected]> writes:

> Using the old code, half of it was unused and the other half was too
> small for e.g. >8bpp interlaced data, causing random buffer overruns.
> ---
>  libavcodec/mpegvideo.c |    2 +-
>  1 files changed, 1 insertions(+), 1 deletions(-)
>
> diff --git a/libavcodec/mpegvideo.c b/libavcodec/mpegvideo.c
> index baab3c8..9bcd5c3 100644
> --- a/libavcodec/mpegvideo.c
> +++ b/libavcodec/mpegvideo.c
> @@ -378,7 +378,7 @@ static int init_duplicate_context(MpegEncContext *s, 
> MpegEncContext *base){
>
>      // edge emu needs blocksize + filter length - 1 (=17x17 for halfpel / 
> 21x21 for h264)
>      FF_ALLOCZ_OR_GOTO(s->avctx, s->allocated_edge_emu_buffer, 
> (s->width+64)*2*21*2, fail); //(width + edge + 
> align)*interlaced*MBsize*tolerance
> -    s->edge_emu_buffer= s->allocated_edge_emu_buffer + (s->width+64)*2*21;
> +    s->edge_emu_buffer= s->allocated_edge_emu_buffer;

With this change, is there still a need for the separate variables?

-- 
Måns Rullgård
[email protected]
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