aacenc: reduce the number of loop index variables

[ffmpeg] / libavcodec / w32thread.c

diff --git a/libavcodec/w32thread.c b/libavcodec/w32thread.c
index 4b8145729e48956f6c90a59db58caee30b1ddddf..27a928e8551fd70ee9a62f718533d3fa395fe445 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++)
@@ -124,12 +125,18 @@ 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 thread_count){
     int i;
     ThreadContext *c;
     uint32_t threadid;
 
+    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->thread_count= thread_count;
+    s->active_thread_type= FF_THREAD_SLICE;
 
     if (thread_count <= 1)
         return 0;
@@ -163,6 +170,6 @@ int avcodec_thread_init(AVCodecContext *s, int thread_count){
 
     return 0;
 fail:
-    avcodec_thread_free(s);
+    ff_thread_free(s);
     return -1;
 }