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Implement execute2 for w32thread 

Originally committed as revision 20225 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Reimar Döffinger 2009-10-13 13:40:03 +00:00
parent 1e6ff470b5
commit 7537726f47
1 changed files with 15 additions and 0 deletions
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15
libavcodec/w32thread.c
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@ -32,10 +32,12 @@ typedef struct ThreadContext{
HANDLE job_sem;
HANDLE done_sem;
int (*func)(AVCodecContext *c, void *arg);
int (*func2)(AVCodecContext *c, void *arg, int, int);
void *arg;
int argsize;
int *jobnr;
int *ret;
int threadnr;
}ThreadContext;
@ -52,6 +54,8 @@ static unsigned WINAPI attribute_align_arg thread_func(void *v){
//printf("thread_func %X after wait (func=%X)\n", (int)v, (int)c->func); fflush(stdout);
if(c->func)
ret= c->func(c->avctx, (uint8_t *)c->arg + jobnr*c->argsize);
else if (c->func2)
ret= c->func2(c->avctx, c->arg, jobnr, c->threadnr);
else
return 0;
if (c->ret)
@ -74,6 +78,7 @@ void avcodec_thread_free(AVCodecContext *s){
for(i=0; i<s->thread_count; i++){
c[i].func= NULL;
c[i].func2= NULL;
}
ReleaseSemaphore(c[0].work_sem, s->thread_count, 0);
for(i=0; i<s->thread_count; i++){
@ -110,6 +115,14 @@ int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, vo
return 0;
}
int avcodec_thread_execute2(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2, int, int),void *arg, int *ret, int count){
ThreadContext *c= s->thread_opaque;
int i;
for(i=0; i<s->thread_count; i++)
c[i].func2 = func;
avcodec_thread_execute(s, NULL, arg, ret, count, 0);
}
int avcodec_thread_init(AVCodecContext *s, int thread_count){
int i;
ThreadContext *c;
@ -133,6 +146,7 @@ int avcodec_thread_init(AVCodecContext *s, int thread_count){
c[i].work_sem = c[0].work_sem;
c[i].job_sem = c[0].job_sem;
c[i].done_sem = c[0].done_sem;
c[i].threadnr = i;
//printf("create thread %d\n", i); fflush(stdout);
c[i].thread = (HANDLE)_beginthreadex(NULL, 0, thread_func, &c[i], 0, &threadid );
@ -141,6 +155,7 @@ int avcodec_thread_init(AVCodecContext *s, int thread_count){
//printf("init done\n"); fflush(stdout);
s->execute= avcodec_thread_execute;
s->execute2= avcodec_thread_execute2;
return 0;
fail: