eden-emu/FFmpeg
15
0
Fork 0
mirror of https://github.com/FFmpeg/FFmpeg.git synced 2025-05-25 22:19:17 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

Making it easier to send arbitrary structures as work orders to MT workers

Browse source 
Originally committed as revision 15804 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Roman Shaposhnik 2008-11-12 17:47:23 +00:00
parent 52ece41057
commit 3a84713aaa
11 changed files with 41 additions and 37 deletions
Download patch file Download diff file Expand all files Collapse all files

9
libavcodec/pthread.c
View file

@ -30,10 +30,11 @@ typedef int (action_t)(AVCodecContext *c, void *arg);
typedef struct ThreadContext {
pthread_t *workers;
action_t *func;
void **args;
void *args;
int *rets;
int rets_count;
int job_count;
int job_size;
pthread_cond_t last_job_cond;
pthread_cond_t current_job_cond;
@ -67,7 +68,7 @@ static void* attribute_align_arg worker(void *v)
}
pthread_mutex_unlock(&c->current_job_lock);
c->rets[our_job%c->rets_count] = c->func(avctx, c->args[our_job]);
c->rets[our_job%c->rets_count] = c->func(avctx, (char*)c->args + our_job*c->job_size);
pthread_mutex_lock(&c->current_job_lock);
our_job = c->current_job++;
@ -100,7 +101,7 @@ void avcodec_thread_free(AVCodecContext *avctx)
av_freep(&avctx->thread_opaque);
}
int avcodec_thread_execute(AVCodecContext *avctx, action_t* func, void **arg, int *ret, int job_count)
int avcodec_thread_execute(AVCodecContext *avctx, action_t* func, void *arg, int *ret, int job_count, int job_size)
{
ThreadContext *c= avctx->thread_opaque;
int dummy_ret;
@ -112,6 +113,7 @@ int avcodec_thread_execute(AVCodecContext *avctx, action_t* func, void **arg, in
c->current_job = avctx->thread_count;
c->job_count = job_count;
c->job_size = job_size;
c->args = arg;
c->func = func;
if (ret) {
@ -147,6 +149,7 @@ int avcodec_thread_init(AVCodecContext *avctx, int thread_count)
avctx->thread_count = thread_count;
c->current_job = 0;
c->job_count = 0;
c->job_size = 0;
c->done = 0;
pthread_cond_init(&c->current_job_cond, NULL);
pthread_cond_init(&c->last_job_cond, NULL);