Video player: Fix PiP aspect ratio

Fix #1105

vlc-android/src/org/videolan/vlc/gui/video/VideoPlayerActivity.kt

@@ -625,19 +625,13 @@ open class VideoPlayerActivity : AppCompatActivity(), IPlaybackSettingsControlle
             if (AndroidDevices.hasPiP && !forceLegacy) {
                 if (AndroidUtil.isOOrLater)
                     try {
-                        videoLayout?.findViewById<View>(R.id.surface_video)?.run {
-                            val height = if (height != 0) height else mw.height
-                            val width = Math.min(if (width != 0) width else mw.width, (height * 2.39f).toInt())
-                            enterPictureInPictureMode(PictureInPictureParams.Builder().setAspectRatio(Rational(width, height)).build())
-                        }
+                        val track = service?.playlistManager?.player?.mediaplayer?.currentVideoTrack ?: return
+                        val ar = Rational(track.width.coerceAtMost((track.height * 2.39f).toInt()), track.height)
+                        enterPictureInPictureMode(PictureInPictureParams.Builder().setAspectRatio(ar).build())
                     } catch (e: IllegalArgumentException) { // Fallback with default parameters
-
                         enterPictureInPictureMode()
                     }
-                else {
-
-                    enterPictureInPictureMode()
-                }
+                else enterPictureInPictureMode()
             } else {
                 if (Permissions.canDrawOverlays(this)) {
                     switchingView = true
@@ -645,8 +639,7 @@ open class VideoPlayerActivity : AppCompatActivity(), IPlaybackSettingsControlle
                     if (service?.isPlaying != true) mw.addFlags(AbstractMediaWrapper.MEDIA_PAUSED)
                     cleanUI()
                     exitOK()
-                } else
-                    Permissions.checkDrawOverlaysPermission(this)
+                } else Permissions.checkDrawOverlaysPermission(this)
             }
         }
     }