Replace int_fast integer types with their sized standard posix counterparts.

[ffmpeg] / libavcodec / w32thread.c

diff --git a/libavcodec/w32thread.c b/libavcodec/w32thread.c
index bae09704a86b24caeb3e7a46a41ecbde1692fccc..023be0e66381d732c604e22816e61997941def54 100644 (file)
--- a/libavcodec/w32thread.c
+++ b/libavcodec/w32thread.c
@@ -1,25 +1,26 @@
 /*
  * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
  *
- * This file is part of FFmpeg.
+ * This file is part of Libav.
  *
- * FFmpeg is free software; you can redistribute it and/or
+ * Libav 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 2.1 of the License, or (at your option) any later version.
  *
- * FFmpeg is distributed in the hope that it will be useful,
+ * Libav 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 FFmpeg; if not, write to the Free Software
+ * License along with Libav; 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 "thread.h"
 
 #define WIN32_LEAN_AND_MEAN
 #include <windows.h>
@@ -69,10 +70,10 @@ static unsigned WINAPI attribute_align_arg thread_func(void *v){
 }
 
 /**
- * Free what has been allocated by avcodec_thread_init().
+ * Free what has been allocated by ff_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){
+void ff_thread_free(AVCodecContext *s){
     ThreadContext *c= s->thread_opaque;
     int i;
 
@@ -93,7 +94,7 @@ void avcodec_thread_free(AVCodecContext *s){
     av_freep(&s->thread_opaque);
 }
 
-int avcodec_thread_execute(AVCodecContext *s, int (*func)(AVCodecContext *c2, void *arg2),void *arg, int *ret, int count, int size){
+static 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;
     int jobnr = 0;
@@ -116,7 +117,7 @@ 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){
+static 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++)
@@ -124,15 +125,23 @@ int avcodec_thread_execute2(AVCodecContext *s, int (*func)(AVCodecContext *c2, v
     avcodec_thread_execute(s, NULL, arg, ret, count, 0);
 }
 
-int avcodec_thread_init(AVCodecContext *s, int thread_count){
+int ff_thread_init(AVCodecContext *s){
     int i;
     ThreadContext *c;
     uint32_t threadid;
 
-    s->thread_count= thread_count;
+    if(!(s->thread_type & FF_THREAD_SLICE)){
+        av_log(s, AV_LOG_WARNING, "The requested thread algorithm is not supported with this thread library.\n");
+        return 0;
+    }
+
+    s->active_thread_type= FF_THREAD_SLICE;
+
+    if (s->thread_count <= 1)
+        return 0;
 
     assert(!s->thread_opaque);
-    c= av_mallocz(sizeof(ThreadContext)*thread_count);
+    c= av_mallocz(sizeof(ThreadContext)*s->thread_count);
     s->thread_opaque= c;
     if(!(c[0].work_sem = CreateSemaphore(NULL, 0, INT_MAX, NULL)))
         goto fail;
@@ -141,7 +150,7 @@ int avcodec_thread_init(AVCodecContext *s, int thread_count){
     if(!(c[0].done_sem = CreateSemaphore(NULL, 0, INT_MAX, NULL)))
         goto fail;
 
-    for(i=0; i<thread_count; i++){
+    for(i=0; i<s->thread_count; i++){
 //printf("init semaphors %d\n", i); fflush(stdout);
         c[i].avctx= s;
         c[i].work_sem = c[0].work_sem;
@@ -160,6 +169,6 @@ int avcodec_thread_init(AVCodecContext *s, int thread_count){
 
     return 0;
 fail:
-    avcodec_thread_free(s);
+    ff_thread_free(s);
     return -1;
 }