#include "avfilter.h"
+/** merge and update all the references */
+static void merge_ref(AVFilterFormats *ret, AVFilterFormats *a)
+{
+ int i;
+ for(i = 0; i < a->refcount; i ++) {
+ ret->refs[ret->refcount] = a->refs[i];
+ *ret->refs[ret->refcount++] = ret;
+ }
+}
+
AVFilterFormats *avfilter_merge_formats(AVFilterFormats *a, AVFilterFormats *b)
{
AVFilterFormats *ret;
return NULL;
}
- /* merge and update all the references */
ret->refs = av_malloc(sizeof(AVFilterFormats**)*(a->refcount+b->refcount));
- for(i = 0; i < a->refcount; i ++) {
- ret->refs[ret->refcount] = a->refs[i];
- *ret->refs[ret->refcount++] = ret;
- }
- for(i = 0; i < b->refcount; i ++) {
- ret->refs[ret->refcount] = b->refs[i];
- *ret->refs[ret->refcount++] = ret;
- }
+
+ merge_ref(ret, a);
+ merge_ref(ret, b);
av_free(a->refs);
av_free(a->formats);