/*
* Copyright (c) 2004 François Revol <revol@free.fr>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- *
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
//#define DEBUG
#include "avcodec.h"
-#include "common.h"
#include <OS.h>
// it's odd Be never patented that :D
struct benaphore {
- vint32 atom;
- sem_id sem;
+ vint32 atom;
+ sem_id sem;
};
static inline int lock_ben(struct benaphore *ben)
{
- if (atomic_add(&ben->atom, 1) > 0)
- return acquire_sem(ben->sem);
- return B_OK;
+ if (atomic_add(&ben->atom, 1) > 0)
+ return acquire_sem(ben->sem);
+ return B_OK;
}
static inline int unlock_ben(struct benaphore *ben)
{
- if (atomic_add(&ben->atom, -1) > 1)
- return release_sem(ben->sem);
- return B_OK;
+ if (atomic_add(&ben->atom, -1) > 1)
+ return release_sem(ben->sem);
+ return B_OK;
}
static struct benaphore av_thread_lib_ben;
}
/**
- * free what has been allocated by avcodec_thread_init().
- * must be called after decoding has finished, especially dont call while avcodec_thread_execute() is running
+ * Free what has been allocated by avcodec_thread_init().
+ * Must be called after decoding has finished, especially do not call while avcodec_thread_execute() is running.
*/
void avcodec_thread_free(AVCodecContext *s){
ThreadContext *c= s->thread_opaque;
av_freep(&s->thread_opaque);
}
-int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void **arg, int *ret, int count){
+int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size){
ThreadContext *c= s->thread_opaque;
int i;
/* note, we can be certain that this is not called with the same AVCodecContext by different threads at the same time */
for(i=0; i<count; i++){
- c[i].arg= arg[i];
+ c[i].arg= (char*)arg + i*size;
c[i].func= func;
c[i].ret= 12345;
int avcodec_thread_lock_lib(void)
{
- return lock_ben(&av_thread_lib_ben);
+ return lock_ben(&av_thread_lib_ben);
}
int avcodec_thread_unlock_lib(void)
{
- return unlock_ben(&av_thread_lib_ben);
+ return unlock_ben(&av_thread_lib_ben);
}
/* our versions of _init and _fini (which are called by those actually from crt.o) */
void initialize_after(void)
{
- av_thread_lib_ben.atom = 0;
- av_thread_lib_ben.sem = create_sem(0, "libavcodec benaphore");
+ av_thread_lib_ben.atom = 0;
+ av_thread_lib_ben.sem = create_sem(0, "libavcodec benaphore");
}
void uninitialize_before(void)
{
- delete_sem(av_thread_lib_ben.sem);
+ delete_sem(av_thread_lib_ben.sem);
}