From 2ae45816b2f38928f69b01736ce56298ff1cbcb6 Mon Sep 17 00:00:00 2001 From: Timo Rothenpieler Date: Tue, 4 Aug 2015 19:57:10 +0200 Subject: [PATCH] avcodec/nvenc: Add support for 2pass rc in vbr mode Thanks to WereCatf for pointing out this now exists. Github: Closes #143 --- libavcodec/nvenc.c | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) 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;