[vsco] fix extracting videos from '/gallery' results (#7113)

gallery_dl/extractor/vsco.py

@@ -32,7 +32,11 @@ class VscoExtractor(Extractor):
         yield Message.Directory, {"user": self.user}
         for img in self.images():
 
-            if not img or "responsive_url" not in img:
+            if not img:
+                continue
+            elif "playback_url" in img:
+                img = self._transform_video(img)
+            elif "responsive_url" not in img:
                 continue
 
             if img["is_video"]:
@@ -118,6 +122,15 @@ class VscoExtractor(Extractor):
         media["image_meta"] = media.get("imageMeta")
         return media
 
+    @staticmethod
+    def _transform_video(media):
+        media["is_video"] = True
+        media["grid_name"] = ""
+        media["video_url"] = media["playback_url"]
+        media["responsive_url"] = media["poster_url"]
+        media["upload_date"] = media["created_date"]
+        return media
+
 
 class VscoUserExtractor(VscoExtractor):
     """Extractor for a vsco user profile"""