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...@intel.com>
---
libavcodec/libopenh264enc.c | 2 ++
1 file changed, 2 insertions(+)
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) {
--
2.7.4
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