[FFmpeg-devel] [PATCH 1/4] avcodec/nvenc: make number of slices per frame configurable

lance.lmwang at gmail.com lance.lmwang at gmail.com
Thu Sep 2 13:38:55 EEST 2021


From: Limin Wang <lance.lmwang at gmail.com>

Signed-off-by: Limin Wang <lance.lmwang at gmail.com>
---
 libavcodec/nvenc.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/libavcodec/nvenc.c b/libavcodec/nvenc.c
index 815b942..163d442 100644
--- a/libavcodec/nvenc.c
+++ b/libavcodec/nvenc.c
@@ -1074,7 +1074,7 @@ static av_cold int nvenc_setup_h264_config(AVCodecContext *avctx)
         || vui->videoFullRangeFlag != 0);
 
     h264->sliceMode = 3;
-    h264->sliceModeData = 1;
+    h264->sliceModeData = avctx->slices > 0 ? avctx->slices : 1;
 
     h264->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
     h264->repeatSPSPPS  = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
@@ -1171,7 +1171,7 @@ static av_cold int nvenc_setup_hevc_config(AVCodecContext *avctx)
         || vui->videoFullRangeFlag != 0);
 
     hevc->sliceMode = 3;
-    hevc->sliceModeData = 1;
+    hevc->sliceModeData = avctx->slices > 0 ? avctx->slices : 1;
 
     hevc->disableSPSPPS = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 1 : 0;
     hevc->repeatSPSPPS  = (avctx->flags & AV_CODEC_FLAG_GLOBAL_HEADER) ? 0 : 1;
-- 
1.8.3.1



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