[FFmpeg-cvslog] avcodec/nvenc: set slice number to 1 to improve encoding quality

[Agatha Hu]

ffmpeg | branch: master | Agatha Hu <ahu at nvidia.com> | Mon Dec 14 10:27:36 2015 +0100| [f1a889737532ad8696574cdb95b844371f74c864] | committer: Timo Rothenpieler

avcodec/nvenc: set slice number to 1 to improve encoding quality

Signed-off-by: Timo Rothenpieler <timo at rothenpieler.org>

> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=f1a889737532ad8696574cdb95b844371f74c864
---

 libavcodec/nvenc.c |    6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 43b8e78..4ab56fe 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -876,6 +876,9 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
 
         ctx->encode_config.encodeCodecConfig.h264Config.h264VUIParameters.videoFullRangeFlag = avctx->color_range == AVCOL_RANGE_JPEG;
 
+        ctx->encode_config.encodeCodecConfig.h264Config.sliceMode = 3;
+        ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData = 1;
+
         ctx->encode_config.encodeCodecConfig.h264Config.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
         ctx->encode_config.encodeCodecConfig.h264Config.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
 
@@ -940,6 +943,9 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
 
         break;
     case AV_CODEC_ID_H265:
+        ctx->encode_config.encodeCodecConfig.hevcConfig.sliceMode = 3;
+        ctx->encode_config.encodeCodecConfig.hevcConfig.sliceModeData = 1;
+
         ctx->encode_config.encodeCodecConfig.hevcConfig.disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
         ctx->encode_config.encodeCodecConfig.hevcConfig.repeatSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;