The libvpx doxy says that a value of 0 for the g_threads field is
equivalent to a value of 1, whereas for avctx->thread_count it means
the maximum amount of threads possible for the host system.
Use av_cpu_count() to get the correct thread count when auto threads
is requested.
Signed-off-by: James Almer <jamr...@gmail.com>
---
libavcodec/libvpxenc.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/libavcodec/libvpxenc.c b/libavcodec/libvpxenc.c
index d0bd1e997a..09f7a88452 100644
--- a/libavcodec/libvpxenc.c
+++ b/libavcodec/libvpxenc.c
@@ -493,7 +493,7 @@ static av_cold int vpx_init(AVCodecContext *avctx,
enccfg.g_h = avctx->height;
enccfg.g_timebase.num = avctx->time_base.num;
enccfg.g_timebase.den = avctx->time_base.den;
- enccfg.g_threads = avctx->thread_count;
+ enccfg.g_threads = avctx->thread_count ? avctx->thread_count :
av_cpu_count();
enccfg.g_lag_in_frames= ctx->lag_in_frames;
if (avctx->flags & AV_CODEC_FLAG_PASS1)
--
2.17.0
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