dropped-frame tracke

internal/playback/sync_attempt.go

@@ -14,6 +14,7 @@ func runSyncAttempt(
 	videoConfig FeedConfig,
 	audioConfig FeedConfig,
 ) (resultErr error) {
+	videoCtx := withVideoSource(ctx, videoConfig)
 	reader, err := factory.OpenSync(
 		ctx,
 		videoConfig,
@@ -39,7 +40,7 @@ func runSyncAttempt(
 			return fmt.Errorf("read sync group: %w", err)
 		}
 
-		if err := videoSink.ConsumeVideo(ctx, frame.Video); err != nil {
+		if err := videoSink.ConsumeVideo(videoCtx, frame.Video); err != nil {
 			if ctx.Err() != nil {
 				return ctx.Err()
 			}