diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index d9dcf964f5..54906526eb 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -791,7 +791,16 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx) avctx->qmin = -1; avctx->qmax = -1; } else if (avctx->qmin >= 0 && avctx->qmax >= 0) { - ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR; + if (ctx->twopass == 1) { + ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_2_PASS_VBR; + + if (avctx->codec->id == AV_CODEC_ID_H264) { + ctx->encode_config.encodeCodecConfig.h264Config.adaptiveTransformMode = NV_ENC_H264_ADAPTIVE_TRANSFORM_ENABLE; + ctx->encode_config.encodeCodecConfig.h264Config.fmoMode = NV_ENC_H264_FMO_DISABLE; + } + } else { + ctx->encode_config.rcParams.rateControlMode = NV_ENC_PARAMS_RC_VBR; + } ctx->encode_config.rcParams.enableMinQP = 1; ctx->encode_config.rcParams.enableMaxQP = 1;