Add CI/CD workflow

streaming/multi_res_output.py

@@ -59,7 +59,21 @@ class MultiResolutionHLSOutput:
         ipfs_gateway: str = "https://ipfs.io/ipfs",
         on_playlist_update: callable = None,
         audio_source: str = None,
+        resume_from: Optional[Dict] = None,
     ):
+        """Initialize multi-resolution HLS output.
+
+        Args:
+            output_dir: Directory for HLS output files
+            source_size: (width, height) of source frames
+            fps: Frames per second
+            segment_duration: Duration of each HLS segment in seconds
+            ipfs_gateway: IPFS gateway URL for playlist URLs
+            on_playlist_update: Callback when playlists are updated
+            audio_source: Optional audio file to mux with video
+            resume_from: Optional dict to resume from checkpoint with keys:
+                - segment_cids: Dict of quality -> {seg_num: cid}
+        """
         self.output_dir = Path(output_dir)
         self.output_dir.mkdir(parents=True, exist_ok=True)
         self.source_width, self.source_height = source_size
@@ -75,6 +89,13 @@ class MultiResolutionHLSOutput:
         self.qualities: Dict[str, QualityLevel] = {}
         self._setup_quality_levels()
 
+        # Restore segment CIDs if resuming (don't re-upload existing segments)
+        if resume_from and resume_from.get('segment_cids'):
+            for name, cids in resume_from['segment_cids'].items():
+                if name in self.qualities:
+                    self.qualities[name].segment_cids = dict(cids)
+                    print(f"[MultiResHLS] Restored {len(cids)} segment CIDs for {name}", file=sys.stderr)
+
         # IPFS client
         from ipfs_client import add_file, add_bytes
         self._ipfs_add_file = add_file