[FFmpeg-devel] [PATCH 1/2] avcodec/proresenc_kostya: set initial max_slice_size based on frame_size_upper_bound

[Christophe Gisquet]

Hi,

2014-08-18 21:49 GMT+02:00 Michael Niedermayer <michaelni at gmx.at>:
> Signed-off-by: Michael Niedermayer <michaelni at gmx.at>
> ---
>  libavcodec/proresenc_kostya.c |    3 ++-
>  1 file changed, 2 insertions(+), 1 deletion(-)
>
> diff --git a/libavcodec/proresenc_kostya.c b/libavcodec/proresenc_kostya.c
> index 0f69767..1e40dcf 100644
> --- a/libavcodec/proresenc_kostya.c
> +++ b/libavcodec/proresenc_kostya.c
> @@ -938,7 +938,8 @@ static int encode_frame(AVCodecContext *avctx, AVPacket *pkt,
>      int sizes[4] = { 0 };
>      int slice_hdr_size = 2 + 2 * (ctx->num_planes - 1);
>      int frame_size, picture_size, slice_size;
> -    int pkt_size, ret, max_slice_size = 0;
> +    int pkt_size, ret;
> +    int max_slice_size = (ctx->frame_size_upper_bound - 200) / ctx->pictures_per_frame / ctx->slices_per_picture;
>      uint8_t frame_flags;

By itself, what does that change achieve regarding the reallocation?
Maybe put that in the commit message.

-- 
Christophe