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[FFmpeg-devel,v3,4/9] lavc/libopenh264enc: prompt slice number changing inside libopenh264

Message ID 1586599419-21122-5-git-send-email-linjie.fu@intel.com
State Superseded
Headers show
Series patchset for the enhancement of libopenh264 encoder
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Commit Message

Fu, Linjie April 11, 2020, 10:03 a.m. UTC
Libopenh264enc would set the slice according to the number of cpu cores
if uiSliceNum equals to 0 (auto) in SM_FIXEDSLCNUM_SLICE mode.

Prompt a warning for user to catch this.

Signed-off-by: Linjie Fu <linjie.fu@intel.com>
---
 libavcodec/libopenh264enc.c | 2 ++
 1 file changed, 2 insertions(+)

Comments

Anton Khirnov April 14, 2020, 11:08 a.m. UTC | #1
Quoting Linjie Fu (2020-04-11 12:03:34)
> Libopenh264enc would set the slice according to the number of cpu cores
> if uiSliceNum equals to 0 (auto) in SM_FIXEDSLCNUM_SLICE mode.
> 
> Prompt a warning for user to catch this.
> 
> Signed-off-by: Linjie Fu <linjie.fu@intel.com>
> ---
>  libavcodec/libopenh264enc.c | 2 ++
>  1 file changed, 2 insertions(+)

Ok
diff mbox series

Patch

diff --git a/libavcodec/libopenh264enc.c b/libavcodec/libopenh264enc.c
index f994f95..e556f03 100644
--- a/libavcodec/libopenh264enc.c
+++ b/libavcodec/libopenh264enc.c
@@ -237,6 +237,8 @@  FF_ENABLE_DEPRECATION_WARNINGS
     param.sSpatialLayers[0].sSliceCfg.uiSliceMode               = s->slice_mode;
     param.sSpatialLayers[0].sSliceCfg.sSliceArgument.uiSliceNum = avctx->slices;
 #endif
+    if (avctx->slices == 0 && s->slice_mode == SM_FIXEDSLCNUM_SLICE)
+        av_log(avctx, AV_LOG_WARNING, "Slice count will be set automatically\n");
 
     if (s->slice_mode == SM_SIZELIMITED_SLICE) {
         if (s->max_nal_size) {