Message ID | 20180519180859.704-1-jamrial@gmail.com |
---|---|
State | Accepted |
Commit | 27df34bf1f7a113086ba5c68d2a58b7c430c301f |
Headers | show |
On Sat, May 19, 2018 at 11:16 AM James Almer <jamrial@gmail.com> wrote: > 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 <jamrial@gmail.com> > --- > libavcodec/libvpxenc.c | 2 +- > 1 file changed, 1 insertion(+), 1 deletion(-) lgtm, thanks.
On 5/21/2018 4:16 PM, James Zern wrote: > On Sat, May 19, 2018 at 11:16 AM James Almer <jamrial@gmail.com> wrote: > >> 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 <jamrial@gmail.com> >> --- >> libavcodec/libvpxenc.c | 2 +- >> 1 file changed, 1 insertion(+), 1 deletion(-) > > > lgtm, thanks. Pushed.
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)
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 <jamrial@gmail.com> --- libavcodec/libvpxenc.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)