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Code Issues Releases Activity

avcodec: remove ff_get_logical_cpus()

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This simplifies the code

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Michael Niedermayer 2013-05-24 20:24:29 +02:00
parent 0cbfbdef4a
commit 42bb3e4db6
3 changed files with 4 additions and 13 deletions
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2
libavcodec/frame_thread_encoder.c
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@ -126,7 +126,7 @@ int ff_frame_thread_encoder_init(AVCodecContext *avctx, AVDictionary *options){
return 0;
if(!avctx->thread_count) {
avctx->thread_count = ff_get_logical_cpus(avctx);
avctx->thread_count = av_cpu_count();
avctx->thread_count = FFMIN(avctx->thread_count, MAX_THREADS);
}

2
libavcodec/internal.h
View File

@ -207,8 +207,6 @@ int ff_reget_buffer(AVCodecContext *avctx, AVFrame *frame);
int ff_thread_can_start_frame(AVCodecContext *avctx);
int ff_get_logical_cpus(AVCodecContext *avctx);
int avpriv_h264_has_num_reorder_frames(AVCodecContext *avctx);
/**

13
libavcodec/pthread.c
View File

@ -146,15 +146,6 @@ typedef struct FrameThreadContext {
* limit the number of threads to 16 for automatic detection */
#define MAX_AUTO_THREADS 16
int ff_get_logical_cpus(AVCodecContext *avctx)
{
int nb_cpus = av_cpu_count();
if (avctx->height)
nb_cpus = FFMIN(nb_cpus, (avctx->height+15)/16);
return nb_cpus;
}
static void* attribute_align_arg worker(void *v)
{
AVCodecContext *avctx = v;
@ -265,7 +256,9 @@ static int thread_init(AVCodecContext *avctx)
int thread_count = avctx->thread_count;
if (!thread_count) {
int nb_cpus = ff_get_logical_cpus(avctx);
int nb_cpus = av_cpu_count();
if (avctx->height)
nb_cpus = FFMIN(nb_cpus, (avctx->height+15)/16);
// use number of cores + 1 as thread count if there is more than one
if (nb_cpus > 1)
thread_count = avctx->thread_count = FFMIN(nb_cpus + 1, MAX_AUTO_THREADS);