will check it shortly On Fri, Dec 1, 2017 at 9:48 AM, Zhong Li <[email protected]> wrote:
> Hypothetical Reference Decoding (HRD) model assumes that data flows > into a buffer of the fixed size BufferSizeInKB with a constant bitrate. > Smaller BufferSizeInKB means smaller frame size variations, > but more difficult to maintain HRD. > > Signed-off-by: Zhong Li <[email protected]> > --- > libavcodec/qsvenc.c | 1 + > 1 file changed, 1 insertion(+) > > diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c > index 57f78c4..96c8fb5 100644 > --- a/libavcodec/qsvenc.c > +++ b/libavcodec/qsvenc.c > @@ -495,6 +495,7 @@ static int init_video_param(AVCodecContext *avctx, > QSVEncContext *q) > #if QSV_HAVE_VCM > case MFX_RATECONTROL_VCM: > #endif > + q->param.mfx.BufferSizeInKB = avctx->rc_buffer_size / 8000; > q->param.mfx.InitialDelayInKB = avctx->rc_initial_buffer_occupancy > / 1000; > q->param.mfx.TargetKbps = avctx->bit_rate / 1000; > q->param.mfx.MaxKbps = avctx->rc_max_rate / 1000; > -- > 1.8.3.1 > > _______________________________________________ > libav-devel mailing list > [email protected] > https://lists.libav.org/mailman/listinfo/libav-devel _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
