[FFmpeg-devel] [PATCH] nvenc set slice number to 1 to improve encoding quality

[Agatha Hu]

---
 libavcodec/nvenc.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 43b8e78..b8f7f91 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -762,6 +762,9 @@ static av_cold int nvenc_encode_init(AVCodecContext *avctx)
         }
     }
 
+    ctx->encode_config.encodeCodecConfig.h264Config.sliceMode = 3;
+    ctx->encode_config.encodeCodecConfig.h264Config.sliceModeData = 1;
+
     /* when there're b frames, set dts offset */
     if (ctx->encode_config.frameIntervalP >= 2)
         ctx->last_dts = -2;
-- 
1.9.5.github.0