[FFmpeg-cvslog] avcodec/nvenc: Generate bufferingPeriod/pictureTiming SEI

Timo Rothenpieler git at videolan.org
Wed May 11 10:52:36 CEST 2016


ffmpeg | branch: master | Timo Rothenpieler <timo at rothenpieler.org> | Wed May 11 10:34:31 2016 +0200| [3a9df7dfec89fadfee9e814e6adb2706908dffa4] | committer: Timo Rothenpieler

avcodec/nvenc: Generate bufferingPeriod/pictureTiming SEI

For some unknown reason enabling these causes propper CBR padding,
so as there are no known downsides just always enable them in CBR mode.

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=3a9df7dfec89fadfee9e814e6adb2706908dffa4
---

 libavcodec/nvenc.c |    5 +++++
 1 file changed, 5 insertions(+)

diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index bcafc20..4d4a647 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -796,6 +796,11 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
             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;
+                ctx->encode_config.encodeCodecConfig.h264Config.outputBufferingPeriodSEI = 1;
+                ctx->encode_config.encodeCodecConfig.h264Config.outputPictureTimingSEI = 1;
+            } else if(avctx->codec->id == AV_CODEC_ID_H265) {
+                ctx->encode_config.encodeCodecConfig.hevcConfig.outputBufferingPeriodSEI = 1;
+                ctx->encode_config.encodeCodecConfig.hevcConfig.outputPictureTimingSEI = 1;
             }
         }
     } else if (avctx->global_quality > 0) {



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