Fixed a couple of streaming bugs

* If a video was cached at a non-listed quality it wasn't included in the streaming list.
* Videos without valid PTS data could not be streamed.

server/src/cache/import-utils.ts

@@ -287,10 +287,15 @@ export class ImportUtils {
     const mediaQuality =
       media.metadata.width > media.metadata.height ? media.metadata.height : media.metadata.width;
 
-    const qualities = Config.get().transcoder.streamQualities.filter(quality => {
+    const streamQualities = Config.get().transcoder.streamQualities.filter(quality => {
       return quality <= mediaQuality;
     });
 
+    // Explicitly include qualities the medias cached at.
+    const qualities = Array.from(
+      new Set([...streamQualities, ...(media.metadata.qualityCache || [])]),
+    ).sort();
+
     let data = '#EXTM3U';
     for (const quality of qualities.sort()) {
       // Can't round because otherwise they come out as needing the same bandwidth.
@@ -431,7 +436,7 @@ export class ImportUtils {
       throw new Error('Cannot stream non-video type');
     }
     const results = await Util.promisify(ChildProcess.exec)(
-      `ffprobe -loglevel error -skip_frame nokey -select_streams v:0 -show_entries frame=pkt_pts_time -of csv=print_section=0 "${media.absolutePath}"`,
+      `ffprobe -fflags +genpts -loglevel error -skip_frame nokey -select_streams v:0 -show_entries frame=pkt_pts_time -of csv=print_section=0 "${media.absolutePath}"`,
     );
     return results.stdout
       .split('\n')

server/src/database/mongodb/updater.ts

@@ -93,6 +93,19 @@ export class Updater {
       await Updater.recreateMediaCollection(db, mediaSchema);
       await Updater.saveUpdate(updatesCollection, '010_add-created-at');
     }
+
+    // Media missing the PTS data completely broke streaming. This drops all those bad
+    // caches. Should only need to be done once rather than a task.
+    if (!(await Updater.hasRun(updatesCollection, '011_drop-invalid-segment-cache'))) {
+      console.log('Applying update 011_drop-invalid-segment-cache...');
+      await db
+        .collection('media')
+        .updateMany(
+          { 'metadata.segments.standard.0.start': NaN },
+          { $unset: { 'metadata.segments': '' } },
+        );
+      await Updater.saveUpdate(updatesCollection, '011_drop-invalid-segment-cache');
+    }
   }
 
   private static async recreateMediaCollection(db: Db, mediaSchema: object): Promise<void> {