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lavc/libopenh264enc: prompt slice number changing inside libopenh264

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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>
Signed-off-by: Martin Storsjö <martin@martin.st>
This commit is contained in:
Linjie Fu 2020-04-29 11:00:49 +08:00 committed by Martin Storsjö
parent 75fc3f97b0
commit 9310361252
1 changed files with 2 additions and 0 deletions
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2
libavcodec/libopenh264enc.c
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@ -244,6 +244,8 @@ 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) {