Stable YouTube scrub and first-picture sync

README.md

@@ -24,7 +24,7 @@
 - AirPlay audio + screen mirroring
 - FairPlay decryption for mirrored streams
 - Volume control
-- YouTube HLS playback (AirPlay video from the YouTube app)
+- YouTube HLS playback (not stable, disabled by default `airplay.hls.enabled=false`)
 - Playbacks: GStreamer, FFmpeg (`ffplay`)
 - Optional session dump (protocol + decrypted media) for debugging
 
@@ -55,9 +55,10 @@ Create `application.properties` in the working directory:
 ```properties
 # airplay
 airplay.serverName=srzhka
-airplay.width=1280
-airplay.height=720
-airplay.fps=24
+airplay.width=1920
+airplay.height=1080
+airplay.fps=60
+airplay.hls.enabled=false
 # player (gstreamer, ffmpeg)
 player.implementation=gstreamer
 player.tray.enabled=true
@@ -96,6 +97,10 @@ Set `dump.enabled=true` to record beside the live player under `dumps/<timestamp
 - `media/` — decrypted `.h264` / remuxed `.mp4`, audio `.caf` / `.aac`
 - `extras/` — HLS playlists, artwork, DMAP metadata when present
 
+## Known issues
+
+- YouTube sometimes shows an empty black window on the phone while its interface is drawn on the receiver. That happens when screen mirroring is already on and the receiver advertises video. `airplay.hls.enabled=false` leaves mirroring and audio without that video advertisement.
+
 ## Related projects
 
 This monorepo unites the former:

player/app/src/main/java/com/github/serezhka/airplay/app/config/PlayerConfig.java

@@ -21,8 +21,10 @@ public class PlayerConfig {
 
     @Bean
     @ConfigurationProperties(prefix = "airplay")
-    public AirPlayConfig airPlayConfig() {
-        return new AirPlayConfig();
+    public AirPlayConfig airPlayConfig(@Value("${airplay.hls.enabled:true}") boolean hlsEnabled) {
+        AirPlayConfig config = new AirPlayConfig();
+        config.setHlsEnabled(hlsEnabled);
+        return config;
     }
 
     @Bean

player/app/src/main/resources/application.properties

@@ -13,6 +13,7 @@ airplay.serverName=srzhka
 airplay.width=1920
 airplay.height=1080
 airplay.fps=60
+airplay.hls.enabled=false
 # player (gstreamer, ffmpeg)
 player.implementation=gstreamer
 player.tray.enabled=true

player/ffmpeg/src/main/java/com/github/serezhka/airplay/player/ffmpeg/FFmpegPlayer.java

@@ -30,6 +30,8 @@ public FFmpegPlayer() {
     public FFmpegPlayer(int fps) {
         this.fps = Math.max(1, fps);
         hls.setOnEnded(() -> observer.onEnded());
+        hls.setOnPresented(() -> observer.onPresented());
+        hls.setOnSeekDisplayed(() -> observer.onSeekDisplayed());
         log.info("FFmpeg debug log: {}", NativeProcessLog.playerLogFile("ffmpeg"));
     }
 
@@ -47,18 +49,12 @@ public synchronized void onVideoFormat(VideoStreamInfo videoStreamInfo) {
             FfplayPcmSink.applyDisplayEnv(pb);
             NativeProcessLog.configureProcessLogging(pb, "ffmpeg");
             h264Process = pb.start();
-            // SDL may abort after start if the display/audio driver is wrong.
-            Thread.sleep(150);
             if (!h264Process.isAlive()) {
                 h264Process = null;
                 throw new IllegalStateException("ffplay exited immediately after start");
             }
         } catch (IOException e) {
             throw new IllegalStateException("Failed to start ffplay. Make sure it is available on PATH.", e);
-        } catch (InterruptedException e) {
-            Thread.currentThread().interrupt();
-            stopVideoProcess();
-            throw new IllegalStateException("Interrupted while starting ffplay", e);
         }
     }