Bitrate and Video Format

VAST responses can contain multiple media files with different bitrates and in different formats. The SDK will choose the appropriate bitrate based on the current network conditions:

  • max 500 kbit/s for cellular connection
  • unlimited for WiFi

Note: iOS does not provide any detailed information on the current network speed, so the iOS SDK tries to be conservative when on cellular connection.

If you want to specify preferred video formats and bitrate, use an IMAAdsRenderingSettings instance to pass this information at the time of Ads Manager initialization.

- (void)adsLoader:(IMAAdsLoader *)loader adsLoadedWithData:(IMAAdsLoadedData *)adsLoadedData {
  self.adsManager = adsLoadedData.adsManager;
  self.adsManager.delegate = self;
  IMAAdsRenderingSettings *settings = [[IMAAdsRenderingSettings alloc] init];
  settings.bitrate = 1024;  // kbits
  settings.mimeTypes = @[ @"video/mp4", @"application/x-mpegURL"];
  [self.adsManager initializeWithContentPlayhead:nil adsRenderingSettings:settings];
}

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