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Originally committed as revision 11405 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Michael Niedermayer 2008-01-04 19:16:38 +00:00
parent 2e1d287329
commit a35bf971c6
1 changed files with 27 additions and 27 deletions
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54
libavutil/tree.c
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@ -68,38 +68,38 @@ void *av_tree_insert(AVTreeNode **tp, void *key, int (*cmp)(void *key, const voi
return NULL;
}
}
ret= av_tree_insert(&t->child[v>>31], key, cmp, next);
if(!ret){
int i= (v>>31) ^ !!*next;
AVTreeNode **child= &t->child[i];
t->state += 2*i - 1;
ret= av_tree_insert(&t->child[v>>31], key, cmp, next);
if(!ret){
int i= (v>>31) ^ !!*next;
AVTreeNode **child= &t->child[i];
t->state += 2*i - 1;
if(!(t->state&1)){
if(t->state){
if((*child)->state*2 == -t->state){
*tp= (*child)->child[i^1];
(*child)->child[i^1]= (*tp)->child[i];
(*tp)->child[i]= *child;
*child= (*tp)->child[i^1];
(*tp)->child[i^1]= t;
if(!(t->state&1)){
if(t->state){
if((*child)->state*2 == -t->state){
*tp= (*child)->child[i^1];
(*child)->child[i^1]= (*tp)->child[i];
(*tp)->child[i]= *child;
*child= (*tp)->child[i^1];
(*tp)->child[i^1]= t;
(*tp)->child[0]->state= -((*tp)->state>0);
(*tp)->child[1]->state= (*tp)->state<0 ;
(*tp)->state=0;
}else{
*tp= *child;
*child= (*child)->child[i^1];
(*tp)->child[i^1]= t;
if((*tp)->state) t->state = 0;
else t->state>>= 1;
(*tp)->state= -t->state;
}
(*tp)->child[0]->state= -((*tp)->state>0);
(*tp)->child[1]->state= (*tp)->state<0 ;
(*tp)->state=0;
}else{
*tp= *child;
*child= (*child)->child[i^1];
(*tp)->child[i^1]= t;
if((*tp)->state) t->state = 0;
else t->state>>= 1;
(*tp)->state= -t->state;
}
}
if(!(*tp)->state ^ !!*next)
return key;
}
return ret;
if(!(*tp)->state ^ !!*next)
return key;
}
return ret;
}else{
*tp= *next; *next= NULL;
(*tp)->elem= key;