From e16b20782a597e36a9c7488487c3179375a25b97 Mon Sep 17 00:00:00 2001 From: Zhong Li Date: Mon, 27 Aug 2018 16:23:31 +0800 Subject: lavc/qsvenc: allow to set qp range for h264 BRC Signed-off-by: Zhong Li Signed-off-by: Maxym Dmytrychenko --- libavcodec/qsvenc.c | 14 ++++++++++++++ 1 file changed, 14 insertions(+) (limited to 'libavcodec/qsvenc.c') diff --git a/libavcodec/qsvenc.c b/libavcodec/qsvenc.c index e7ca62fedf..c2c2911229 100644 --- a/libavcodec/qsvenc.c +++ b/libavcodec/qsvenc.c @@ -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 -- cgit v1.2.3