diff --git a/docker/tiktok/Dockerfile b/docker/tiktok/Dockerfile
index 0486e8d..6127a41 100644
--- a/docker/tiktok/Dockerfile
+++ b/docker/tiktok/Dockerfile
@@ -8,6 +8,7 @@ RUN pip3 install numpy pandas browser_cookie3 ipdb asgiref
 RUN python3 -m playwright install-deps
 RUN python3 -m playwright install
 RUN pip3 install tqdm
+RUN apt-get install -yy ffmpeg
 
 WORKDIR /app
 
diff --git a/python/tasks/tiktok/__init__.py b/python/tasks/tiktok/__init__.py
index 4cb3451..2603852 100644
--- a/python/tasks/tiktok/__init__.py
+++ b/python/tasks/tiktok/__init__.py
@@ -259,3 +259,43 @@ def tiktok_videos_fetch(
                 stats['skipped'] += 1
 
     return stats
+
+def tiktok_videos_process(meta: Iterable[dict[str, Any]]) -> dict[str, Any]:
+    import tqdm
+    stats = dict(
+        saved=0,
+        total=0,
+        skipped=0,
+        error=0,
+    )
+
+    for o in tqdm.tqdm(meta):
+        stats['total'] += 1
+
+        path = os.path.join(
+            o['result_dir'],
+            o['fname'],
+        )
+
+        try:
+            path_parts = os.path.splitext(path)
+
+            processed_path = path_parts[0] + '-proc' + path_parts[1]
+
+            if not os.path.exists(path) or os.path.exists(processed_path):
+                stats['skipped'] += 1
+                continue
+
+            subprocess.check_call([
+                'ffmpeg','-i', path, '-filter:v', 'setpts=0.5*PTS', processed_path,
+            ])
+            stats['saved'] += 1
+        except KeyboardInterrupt:
+            break
+        except:
+            logger.error(json.dumps(dict(
+                msg=traceback.format_exc(),
+            )))
+            stats['error'] += 1
+
+    return stats