From: Timo Rothenpieler <[email protected]> For some unknown reason enabling these causes propper CBR padding, so as there are no known downsides just always enable them in CBR mode.
Signed-off-by: Anton Khirnov <[email protected]> --- libavcodec/nvenc.c | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c index e09f362..0a857f8 100644 --- a/libavcodec/nvenc.c +++ b/libavcodec/nvenc.c @@ -57,6 +57,9 @@ #define NVENC_CAP 0x30 #define BITSTREAM_BUFFER_SIZE 1024 * 1024 +#define IS_CBR(rc) (rc == NV_ENC_PARAMS_RC_CBR || \ + rc == NV_ENC_PARAMS_RC_2_PASS_QUALITY || \ + rc == NV_ENC_PARAMS_RC_2_PASS_FRAMESIZE_CAP) #define LOAD_LIBRARY(l, path) \ do { \ @@ -604,6 +607,11 @@ static int nvenc_setup_h264_config(AVCodecContext *avctx) if (ctx->flags & NVENC_LOSSLESS) h264->qpPrimeYZeroTransformBypassFlag = 1; + if (IS_CBR(cc->rcParams.rateControlMode)) { + h264->outputBufferingPeriodSEI = 1; + h264->outputPictureTimingSEI = 1; + } + if (ctx->profile) avctx->profile = ctx->profile; @@ -648,6 +656,11 @@ static int nvenc_setup_hevc_config(AVCodecContext *avctx) hevc->maxNumRefFramesInDPB = avctx->refs; hevc->idrPeriod = cc->gopLength; + if (IS_CBR(cc->rcParams.rateControlMode)) { + hevc->outputBufferingPeriodSEI = 1; + hevc->outputPictureTimingSEI = 1; + } + /* No other profile is supported in the current SDK version 5 */ cc->profileGUID = NV_ENC_HEVC_PROFILE_MAIN_GUID; avctx->profile = FF_PROFILE_HEVC_MAIN; -- 2.0.0 _______________________________________________ libav-devel mailing list [email protected] https://lists.libav.org/mailman/listinfo/libav-devel
