[FFmpeg-devel] [PATCH 1/2] avcodec/proresenc_kostya: set initial max_slice_size based on frame_size_upper_bound
Christophe Gisquet
christophe.gisquet at gmail.com
Tue Aug 19 09:40:03 CEST 2014
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
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