av_free(ref);
}
+void avfilter_insert_pad(unsigned idx, unsigned *count, size_t padidx_off,
+ AVFilterPad **pads, AVFilterLink ***links,
+ AVFilterPad *newpad)
+{
+ unsigned i;
+
+ idx = FFMIN(idx, *count);
+
+ *pads = av_realloc(*pads, sizeof(AVFilterPad) * (*count + 1));
+ *links = av_realloc(*links, sizeof(AVFilterLink*) * (*count + 1));
+ memmove(*pads +idx+1, *pads +idx, sizeof(AVFilterPad) * (*count-idx));
+ memmove(*links+idx+1, *links+idx, sizeof(AVFilterLink*) * (*count-idx));
+ memcpy(*pads+idx, newpad, sizeof(AVFilterPad));
+ (*links)[idx] = NULL;
+
+ (*count) ++;
+ for(i = idx+1; i < *count; i ++)
+ if(*links[i])
+ (*(unsigned *)((uint8_t *)(*links[i]) + padidx_off)) ++;
+}
+
int avfilter_link(AVFilterContext *src, unsigned srcpad,
AVFilterContext *dst, unsigned dstpad)
{