aac_latm: reconfigure decoder on audio specific config changes

[ffmpeg] / libavutil / tree.c

diff --git a/libavutil/tree.c b/libavutil/tree.c
index cb442ff4b07aae18472654b82c31e65fb058c483..067e5b096e799a7bf3cc3d20240d02d83fd2ccf8 100644 (file)
--- a/libavutil/tree.c
+++ b/libavutil/tree.c
@@ -1,24 +1,23 @@
 /*
  * copyright (c) 2006 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
  */
 
-#include "common.h"
 #include "log.h"
 #include "tree.h"
 
@@ -119,27 +118,35 @@ void *av_tree_insert(AVTreeNode **tp, void *key, int (*cmp)(void *key, const voi
         return ret;
     }else{
         *tp= *next; *next= NULL;
-        (*tp)->elem= key;
-        return NULL;
+        if(*tp){
+            (*tp)->elem= key;
+            return NULL;
+        }else
+            return key;
     }
 }
 
 void av_tree_destroy(AVTreeNode *t){
-    av_tree_destroy(t->child[0]);
-    av_tree_destroy(t->child[1]);
-    av_free(t);
+    if(t){
+        av_tree_destroy(t->child[0]);
+        av_tree_destroy(t->child[1]);
+        av_free(t);
+    }
 }
 
-#if 0
-void av_tree_enumerate(AVTreeNode *t, void *opaque, int (*f)(void *opaque, void *elem)){
-    int v= f(opaque, t->elem);
-    if(v>=0) av_tree_enumerate(t->child[0], opaque, f);
-    if(v<=0) av_tree_enumerate(t->child[1], opaque, f);
+void av_tree_enumerate(AVTreeNode *t, void *opaque, int (*cmp)(void *opaque, void *elem), int (*enu)(void *opaque, void *elem)){
+    if(t){
+        int v= cmp ? cmp(opaque, t->elem) : 0;
+        if(v>=0) av_tree_enumerate(t->child[0], opaque, cmp, enu);
+        if(v==0) enu(opaque, t->elem);
+        if(v<=0) av_tree_enumerate(t->child[1], opaque, cmp, enu);
+    }
 }
-#endif
 
 #ifdef TEST
-#undef random
+
+#include "lfg.h"
+
 static int check(AVTreeNode *t){
     if(t){
         int left= check(t->child[0]);
@@ -160,23 +167,27 @@ static void print(AVTreeNode *t, int depth){
     int i;
     for(i=0; i<depth*4; i++) av_log(NULL, AV_LOG_ERROR, " ");
     if(t){
-        av_log(NULL, AV_LOG_ERROR, "Node %p %2d %4d\n", t, t->state, t->elem);
+        av_log(NULL, AV_LOG_ERROR, "Node %p %2d %p\n", t, t->state, t->elem);
         print(t->child[0], depth+1);
         print(t->child[1], depth+1);
     }else
         av_log(NULL, AV_LOG_ERROR, "NULL\n");
 }
 
-int cmp(const void *a, const void *b){
-    return a-b;
+static int cmp(void *a, const void *b){
+    return (uint8_t*)a-(const uint8_t*)b;
 }
 
 int main(void){
-    int i,k;
+    int i;
+    void *k;
     AVTreeNode *root= NULL, *node=NULL;
+    AVLFG prng;
+
+    av_lfg_init(&prng, 1);
 
     for(i=0; i<10000; i++){
-        int j= (random()%86294);
+        int j = av_lfg_get(&prng) % 86294;
         if(check(root) > 999){
             av_log(NULL, AV_LOG_ERROR, "FATAL error %d\n", i);
         print(root, 0);
@@ -187,15 +198,14 @@ int main(void){
             node= av_mallocz(av_tree_node_size);
         av_tree_insert(&root, (void*)(j+1), cmp, &node);
 
-        j= (random()%86294);
-        k= av_tree_find(root, (void*)(j+1), cmp, NULL);
-        if(k){
+        j = av_lfg_get(&prng) % 86294;
+        {
             AVTreeNode *node2=NULL;
             av_log(NULL, AV_LOG_ERROR, "removing %4d\n", j);
             av_tree_insert(&root, (void*)(j+1), cmp, &node2);
             k= av_tree_find(root, (void*)(j+1), cmp, NULL);
             if(k)
-                av_log(NULL, AV_LOG_ERROR, "removial failure %d\n", i);
+                av_log(NULL, AV_LOG_ERROR, "removal failure %d\n", i);
         }
     }
     return 0;