多个并行的 VOD 跟踪器 vod-multiple-trackers-in-parallel

@interface MediaAnalyticsProvider : NSObject <ADBMediaHeartbeatDelegate>

@end

@implementation {
  MediaPlayer *_player;
}

- (instancetype)initWithPlayer:(AVPlayer *)player {
  if (self = [super init]) {
      _player = player;

      ADBMediaHeartbeatConfig *config =
        [[ADBMediaHeartbeatConfig alloc] init];
      config.trackingServer = HEARTBEAT_TRACKING_SERVER;
      config.channel = HEARTBEAT_CHANNEL;
      config.appVersion = HEARTBEAT_SDK_VERSION;
      config.playerName = PLAYER_NAME;
      config.ssl = SSL_SETTING;
      config.debugLogging = DEBUG_SETTING;

      ADBMediaHeartbeatConfig *config =
        [[ADBMediaHeartbeatConfig alloc] init];
      _mediaHeartbeat =
        [[ADBMediaHeartbeat alloc] initWithDelegate:self config:config];

      [self setupPlayerNotifications];
  }

  return self;
}

- (ADBMediaObject *)getQoSInfo {
  return [ADBMediaHeartbeat createQoSObjectWithBitrate:CURRENT_BITRATE_VALUE
                            startupTime:CALCULATED_STARTED_TIME
                            fps:CALCULATED_FPS
                            droppedFrames:DROPPED_FRAMES_COUNT];
}

- (NSTimeInterval)getCurrentPlaybackTime {
  return CMTimeGetSeconds(_player.currentTime);
}

@end

- (void)viewDidAppear:(BOOL)animated {
  [super viewDidAppear:animated];
  [ADBMobile setDebugLogging:YES];

  // Setup the first media player
  NSURL *streamUrl = [NSURL URLWithString:CONTENT_URL_1];

  if (!self.mediaPlayer1) {
      self.mediaPlayer1 = [[MediaPlayer alloc] initWithContentURL:streamUrl];
      //setup player
  }

  // Create the MediaAnalyticsProvider instance and attach it to the first
  // MediaPlayer instance.
  if (!self.mediaAnalyticsProvider1) {
      self.mediaAnalyticsProvider1 =
        [[MediaAnalyticsProvider alloc] initWithPlayerDelegate:self.mediaPlayer1];
  }

  // Setup the second media player
  NSURL *streamUrl2 = [NSURL URLWithString:CONTENT_URL_2];

  if (!self.mediaPlayer2) {
      self.mediaPlayer2 = [[MediaPlayer alloc] initWithContentURL:streamUrl2];
      //setup player
  }

  // Create the MediaAnalyticsProvider instance and attach it to the second
  // MediaPlayer instance.
  if (!self.mediaAnalyticsProvider2) {
      self.mediaAnalyticsProvider2 =
        [[MediaAnalyticsProvider alloc] initWithPlayerDelegate:self.mediaPlayer2];
  }
}

- (void)viewDidAppear:(BOOL)animated {
  [super viewDidAppear:animated];
  [ADBMobile setDebugLogging:YES];

  // Setup the first media player
  NSURL *streamUrl = [NSURL URLWithString:CONTENT_URL_1];

  if (!self.mediaPlayer1) {
      self.mediaPlayer1 = [[MediaPlayer alloc] initWithContentURL:streamUrl];
      //setup player
  }

  // Create the MediaAnalyticsProvider instance and attach it to the first
  // MediaPlayer instance.
  if (!self.mediaAnalyticsProvider1) {
      self.mediaAnalyticsProvider1 =
        [[MediaAnalyticsProvider alloc] initWithPlayerDelegate:self.mediaPlayer1];
  }

  // Setup the second media player
  NSURL *streamUrl2 = [NSURL URLWithString:CONTENT_URL_2];

  if (!self.mediaPlayer2) {
      self.mediaPlayer2 = [[MediaPlayer alloc] initWithContentURL:streamUrl2];
      //setup player
  }

  // Create the MediaAnalyticsProvider instance and attach it to the second MediaPlayer instance.
  if (!self.mediaAnalyticsProvider2) {
      self.mediaAnalyticsProvider2 =
        [[MediaAnalyticsProvider alloc] initWithPlayerDelegate:self.mediaPlayer2];
  }
}

// Set up mediaObject
ADBMediaObject *mediaObject =
[ADBMediaHeartbeat createMediaObjectWithName:MEDIA_NAME
                   length:MEDIA_LENGTH
                   streamType:ADBMediaHeartbeatStreamTypeVOD];

NSMutableDictionary *mediaContextData = [[NSMutableDictionary alloc] init];
[mediaContextData setObject:CUSTOM_VAL_1 forKey:CUSTOM_KEY_1];
[mediaContextData setObject:CUSTOM_VAL_2 forKey:CUSTOM_KEY_2];

// 1. Call trackSessionStart when the user clicks Play or if autoplay is used,
//    i.e., there is an intent to start playback.
[_mediaHeartbeat trackSessionStart:mediaObject data:mediaContextData];
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// 2. Call trackPlay when the playback actually starts, i.e., when the first
//    frame of the main content is rendered on the screen.
[_mediaHeartbeat trackPlay];
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// 3. Call trackComplete when the playback reaches the end, i.e., when the
//    media completes and finishes playing.
[_mediaHeartbeat trackComplete];
.......
.......

// 4. Call trackSessionEnd when the playback session is over. This method
//    must be called even if the user does not watch the media to completion.
[_mediaHeartbeat trackSessionEnd];
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