Initial commit

lib/video-urls.ts

@@ -0,0 +1,50 @@
+/**
+ * Utility functions for video URL handling with HLS support and fallback to MP4
+ */
+
+export type TranscodingStatus = 'uploaded' | 'processing' | 'transcoded' | 'failed';
+
+export interface VideoUrls {
+  hlsUrl: string | null;
+  mp4Url: string;
+}
+
+/**
+ * Generate video URLs based on transcoding status
+ * @param videoId - The video ID
+ * @param mp4Url - The original MP4 URL
+ * @param transcodingStatus - The current transcoding status
+ * @returns Object containing HLS and MP4 URLs
+ */
+export function getVideoUrls(
+  videoId: string,
+  mp4Url: string,
+  transcodingStatus: TranscodingStatus
+): VideoUrls {
+  // HLS is only available if transcoding is complete
+  const hlsUrl = transcodingStatus === 'transcoded'
+    ? `/api/videos/hls/${videoId}/master.m3u8`
+    : null;
+
+  return {
+    hlsUrl,
+    mp4Url,
+  };
+}
+
+/**
+ * Get the appropriate video source URL based on availability
+ * Prefers HLS if available, falls back to MP4
+ * @param videoId - The video ID
+ * @param mp4Url - The original MP4 URL
+ * @param transcodingStatus - The current transcoding status
+ * @returns The primary URL to use
+ */
+export function getPrimaryVideoUrl(
+  videoId: string,
+  mp4Url: string,
+  transcodingStatus: TranscodingStatus
+): string {
+  const { hlsUrl } = getVideoUrls(videoId, mp4Url, transcodingStatus);
+  return hlsUrl || mp4Url;
+}