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| author | Ganapathy Kasi <gkasi@nvidia.com> | 2017-03-01 15:04:47 -0800 |
|---|---|---|
| committer | Luca Barbato <lu_zero@gentoo.org> | 2017-03-04 08:23:28 +0100 |
| commit | 3303f86467efa99f23c670707f5be094cc9ce547 (patch) | |
| tree | 7ed9678c8d336c1748b3c39f76db778fc642c1d3 | |
| parent | aba5b94859ef1cb8f517dc64bce86a3021316ae8 (diff) | |
| download | ffmpeg-3303f86467efa99f23c670707f5be094cc9ce547.tar.gz | |
nvenc: Remove qmin and qmax constraints for nvenc vbr
qmin and qmax are not necessary for nvenc vbr.
Also fix for using 2 pass vbr mode for slow preset through ctx->flag NVENC_TWO_PASSES.
Signed-off-by: Luca Barbato <lu_zero@gentoo.org>
| -rw-r--r-- | libavcodec/nvenc.c | 15 |
1 files changed, 7 insertions, 8 deletions
diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index fcd496b93f..738a77ebc2 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -559,12 +559,8 @@ static void nvenc_override_rate_control(AVCodecContext *avctx, return; case NV_ENC_PARAMS_RC_2_PASS_VBR: case NV_ENC_PARAMS_RC_VBR: - if (avctx->qmin < 0 && avctx->qmax < 0) { - av_log(avctx, AV_LOG_WARNING, - "The variable bitrate rate-control requires " - "the 'qmin' and/or 'qmax' option set.\n"); - return; - } + set_vbr(avctx, rc); + break; case NV_ENC_PARAMS_RC_VBR_MINQP: if (avctx->qmin < 0) { av_log(avctx, AV_LOG_WARNING, @@ -606,8 +602,11 @@ static void nvenc_setup_rate_control(AVCodecContext *avctx) set_lossless(avctx, rc); } else if (avctx->global_quality > 0) { set_constqp(avctx, rc); - } else if (avctx->qmin >= 0 && avctx->qmax >= 0) { - rc->rateControlMode = NV_ENC_PARAMS_RC_VBR; + } else { + if (ctx->flags & NVENC_TWO_PASSES) + rc->rateControlMode = NV_ENC_PARAMS_RC_2_PASS_VBR; + else + rc->rateControlMode = NV_ENC_PARAMS_RC_VBR; set_vbr(avctx, rc); } |