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avcodec/libdav1d: pass auto threads value to libdav1d

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libdav1d 1.0.0 will be the first version supporting Dav1dSettings.n_threads == 0.

Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
James Almer 2021-09-20 22:30:35 -03:00
parent 59719a905c
commit d873b5fffc
1 changed files with 4 additions and 0 deletions
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4
libavcodec/libdav1d.c
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@ -207,7 +207,11 @@ static av_cold int libdav1d_init(AVCodecContext *c)
{
Libdav1dContext *dav1d = c->priv_data;
Dav1dSettings s;
#if FF_DAV1D_VERSION_AT_LEAST(6,0)
int threads = c->thread_count;
#else
int threads = (c->thread_count ? c->thread_count : av_cpu_count()) * 3 / 2;
#endif
int res;
av_log(c, AV_LOG_INFO, "libdav1d %s\n", dav1d_version());