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

Agatha Hu ahu at nvidia.com
Fri Dec 4 04:40:08 CET 2015


---
  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





More information about the ffmpeg-devel mailing list