lavc/libaomenc: Add a maximum constraint of 64 encoder threads.

fixed the error in Intel(R) Xeon(R) Gold 6152 CPU like:
[libaom-av1 @ 0x469f340] Failed to initialize encoder: Invalid parameter
[libaom-av1 @ 0x469f340]   Additional information: g_threads out of range [..MAX_NUM_THREADS]

Signed-off-by: Jun Zhao <mypopydev@gmail.com>
Signed-off-by: James Almer <jamrial@gmail.com>
This commit is contained in:
Jun Zhao 2018-11-27 17:18:26 +08:00 committed by James Almer
parent e695b0beba
commit b87063c06d

View File

@ -504,7 +504,8 @@ static av_cold int aom_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 ? avctx->thread_count : av_cpu_count();
enccfg.g_threads =
FFMIN(avctx->thread_count ? avctx->thread_count : av_cpu_count(), 64);
if (ctx->lag_in_frames >= 0)
enccfg.g_lag_in_frames = ctx->lag_in_frames;