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lavc/qsvenc: allow to set qp range for h264 BRC 

Signed-off-by: Zhong Li <zhong.li@intel.com>
Signed-off-by: Maxym Dmytrychenko <maxim.d33@gmail.com>
This commit is contained in:
Zhong Li 2018-08-27 16:23:31 +08:00 committed by Maxym Dmytrychenko
parent 83678dbbae
commit e16b20782a
2 changed files with 16 additions and 0 deletions
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14
libavcodec/qsvenc.c
View File

@ -665,6 +665,20 @@ FF_ENABLE_DEPRECATION_WARNINGS
q->extco2.AdaptiveB = q->adaptive_b ? MFX_CODINGOPTION_ON : MFX_CODINGOPTION_OFF;
#endif
#if QSV_VERSION_ATLEAST(1, 9)
if (avctx->qmin >= 0 && avctx->qmax >= 0 && avctx->qmin > avctx->qmax) {
av_log(avctx, AV_LOG_ERROR, "qmin and or qmax are set but invalid, please make sure min <= max\n");
return AVERROR(EINVAL);
}
if (avctx->qmin >= 0) {
q->extco2.MinQPI = avctx->qmin > 51 ? 51 : avctx->qmin;
q->extco2.MinQPP = q->extco2.MinQPB = q->extco2.MinQPI;
}
if (avctx->qmax >= 0) {
q->extco2.MaxQPI = avctx->qmax > 51 ? 51 : avctx->qmax;
q->extco2.MaxQPP = q->extco2.MaxQPB = q->extco2.MaxQPI;
}
#endif
q->extparam_internal[q->nb_extparam_internal++] = (mfxExtBuffer *)&q->extco2;
}
#endif

2
libavcodec/qsvenc_h264.c
View File

@ -118,6 +118,8 @@ static const AVCodecDefault qsv_enc_defaults[] = {
// same as the x264 default
{ "g", "250" },
{ "bf", "3" },
{ "qmin", "-1" },
{ "qmax", "-1" },
#if FF_API_CODER_TYPE
{ "coder", "-1" },
#endif