ncvisual_set_data: handle incoming data equivalent to existing data

src/lib/visual-details.h

@@ -30,8 +30,10 @@ typedef struct ncvisual {
 static inline void
 ncvisual_set_data(ncvisual* ncv, void* data, bool owned){
   if(ncv->owndata){
+    if(data != ncv->data){
       free(ncv->data);
     }
+  }
   ncv->data = (uint32_t*)data;
   ncv->owndata = owned;
 }

src/media/ffmpeg.c

@@ -244,10 +244,13 @@ int ffmpeg_resize(ncvisual* n, int rows, int cols){
   n->rowstride = sframe->linesize[0];
   n->pixy = rows;
   n->pixx = cols;
+  if((uint32_t*)sframe->data[0] != n->data){
+//fprintf(stderr, "SETTING UP RESIZE %p\n", n->data);
     ncvisual_set_data(n, sframe->data[0], false);
     if(n->details->frame){
       av_freep(&n->details->frame);
     }
+  }
   n->details->frame = sframe;
 
 //fprintf(stderr, "SIZE SCALED: %d %d (%u)\n", nc->details->frame->height, nc->details->frame->width, nc->details->frame->linesize[0]);