void avfilter_default_start_frame(AVFilterLink *link, AVFilterPicRef *picref)
{
+ AVFilterLink *out = link->dst->outputs[0];
+
link->cur_pic = picref;
+
+ if(out) {
+ out->outpic = avfilter_get_video_buffer(out, AV_PERM_WRITE);
+ avfilter_start_frame(out, avfilter_ref_pic(out->outpic, ~0));
+ }
}
void avfilter_default_end_frame(AVFilterLink *link)
{
+ AVFilterLink *out = link->dst->outputs[0];
+
avfilter_unref_pic(link->cur_pic);
link->cur_pic = NULL;
+
+ if(out) {
+ avfilter_unref_pic(out->outpic);
+ out->outpic = NULL;
+ avfilter_end_frame(out);
+ }
}
AVFilterPicRef *avfilter_ref_pic(AVFilterPicRef *ref, int pmask)