fix(exoplayer): apply subtitle sync to ASS subtitles

close #936
2026-05-03 11:13:35 +02:00
parent 060926b749
commit c7b023222c
1 changed files with 2 additions and 1 deletions
@@ -555,7 +555,8 @@ class ExoPlayerCore(private val activity: Activity) : Player.Listener {
      exoPlayer!!.addListener(this)
      exoPlayer!!.addAnalyticsListener(decoderHangListener)
      exoPlayer!!.setVideoFrameMetadataListener { presentationTimeUs, releaseTimeNs, _, _ ->
-        assSubtitleSurfaceView?.requestRender(presentationTimeUs, releaseTimeNs)
+        // ASS bypasses Media3's text renderer, so apply sub-delay before libass renders.
+        assSubtitleSurfaceView?.requestRender(presentationTimeUs - subtitleDelayUs.get(), releaseTimeNs)
        val count = fpsTimestampCount
        if (count < FPS_SAMPLE_COUNT) {
          fpsTimestamps[count] = presentationTimeUs