@@ -76,14 +76,14 @@ static int filter_frame(AVFilterLink *inlink, AVFilterBufferRef *cur_buf)

     if (extract->is_packed_rgb) {

         int x, y;

-        uint8_t *pin, *pout;

+        uint8_t *pcur, *pout;

         for (y = 0; y < outlink->h; y++) {

-            pin = cur_buf->data[0] + y * cur_buf->linesize[0] + extract->rgba_map[A];

+            pcur = cur_buf->data[0] + y * cur_buf->linesize[0] + extract->rgba_map[A];

             pout = out_buf->data[0] + y * out_buf->linesize[0];

             for (x = 0; x < outlink->w; x++) {

-                *pout = *pin;

+                *pout = *pcur;

                 pout += 1;

-                pin += 4;

+                pcur += 4;

             }

         }

     } else {