From 3fc75e79cf033fbe575b663d9e8b56cc835b95ef Mon Sep 17 00:00:00 2001 From: Michael Niedermayer Date: Thu, 21 Jan 2016 00:36:51 +0100 Subject: [PATCH] avcodec/mpeg12enc: Move high resolution thread check to before initializing threads Cleaner solution is welcome! Signed-off-by: Michael Niedermayer (cherry picked from commit a53fbda9dc92273054a103db7539d2bb6e9632b2) Signed-off-by: Michael Niedermayer --- libavcodec/mpeg12enc.c | 3 --- libavcodec/pthread_slice.c | 6 ++++++ 2 files changed, 6 insertions(+), 3 deletions(-) diff --git a/libavcodec/mpeg12enc.c b/libavcodec/mpeg12enc.c index 451463c0cd..8baa60ee0b 100644 --- a/libavcodec/mpeg12enc.c +++ b/libavcodec/mpeg12enc.c @@ -144,9 +144,6 @@ static av_cold int encode_init(AVCodecContext *avctx) { MpegEncContext *s = avctx->priv_data; - if (avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && avctx->height > 2800) - avctx->thread_count = 1; - if (ff_mpv_encode_init(avctx) < 0) return -1; diff --git a/libavcodec/pthread_slice.c b/libavcodec/pthread_slice.c index b948e16d24..a3bcd21fea 100644 --- a/libavcodec/pthread_slice.c +++ b/libavcodec/pthread_slice.c @@ -181,6 +181,12 @@ int ff_slice_thread_init(AVCodecContext *avctx) w32thread_init(); #endif + // We cannot do this in the encoder init as the threads are created before + if (av_codec_is_encoder(avctx->codec) && + avctx->codec_id == AV_CODEC_ID_MPEG1VIDEO && + avctx->height > 2800) + thread_count = avctx->thread_count = 1; + if (!thread_count) { int nb_cpus = av_cpu_count(); if (avctx->height)