Hypothetical Reference Decoding (HRD) model assumes that data flows into a buffer of the fixed size BufferSizeInKB with a constant bitrate. BufferSizeInKB represents the maximum possible size of any compressed frames.
Signed-off-by: Zhong Li <zhong...@intel.com> --- libavcodec/qsvenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index c45b2a6..9283d40 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -429,7 +429,7 @@ static int init_video_param(AVCodecContext *avctx, QSVEncContext *q) q->param.mfx.NumSlice = avctx->slices; q->param.mfx.NumRefFrame = FFMAX(0, avctx->refs); q->param.mfx.EncodedOrder = 0; - q->param.mfx.BufferSizeInKB = 0; + q->param.mfx.BufferSizeInKB = (avctx->rc_buffer_size > 0) ? avctx->rc_buffer_size / 8000 : 0; desc = av_pix_fmt_desc_get(sw_format); if (!desc) -- 1.8.3.1 _______________________________________________ ffmpeg-devel mailing list ffmpeg-devel@ffmpeg.org http://ffmpeg.org/mailman/listinfo/ffmpeg-devel