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Download and Offline Playback

This guide is designed to assist you how to download HLS (HTTP Live Streaming) content using Swift. The DownloadManager will handles the download of HLS content for offline viewing.
You can obtain a basic example of the Player Download and Offline Playback through this sample project.
For basic player SDK integration, you can refer to Getting Started.

Download Manager

Configure the Source​

Make sure to set up the source configuration before initiating the download.

guard let sourceConfig = self.sourceConfig else { return }

Initialize Download Manager​

Initialize the download manager (DownloadManager) and add it as a listener to receive download updates.

if let manager = try? await DownloadManager.shared.downloadContentManager(for: sourceConfig) {
    downloadContentManager = manager
    downloadContentManager?.add(listener: self)
    trackSelection = try? await downloadContentManager?.fetchAvailableTracks()
} else {
    debugPrint("Failed to create offline content manager")
}

Download Status and Monitoring

Handle user interactions to start, pause, resume, cancel, or delete the download.

Download Status​

Start Downloads​

guard let tracks = trackSelection else { return }
downloadConfig.minimumBitrate = 825_000
downloadContentManager?.download(tracks: tracks, config: downloadConfig)

Pause Downloads​

downloadContentManager?.suspendDownload()

Resume Downloads​

downloadContentManager?.resumeDownload()

Cancel Downloads​

downloadContentManager?.cancelDownload()

Delete Downloads​

try? await downloadContentManager?.deleteOfflineData()

Monitoring Download Event​

The DownloadContentManagerListener protocol, allowing the view controller to respond to various events related to content download.

func onContentDownloadProgressChanged(_ event: ContentDownloadProgressChangedEvent, manager: DownloadContentManager)
func onContentDownloadFinished(_ event: ContentDownloadFinishedEvent, manager: DownloadContentManager)
func onContentDownloadSuspended(_ event: ContentDownloadSuspendedEvent, manager: DownloadContentManager)
func onContentDownloadResumed(_ event: ContentDownloadResumedEvent, manager: DownloadContentManager)
func onContentDownloadCanceled(_ event: ContentDownloadCanceledEvent, manager: DownloadContentManager)
func onDownloadError(_ event: ContentDownloadErrorEvent, manager: DownloadContentManager)

Offline Playback

Offline Source Config​

Represents a SourceConfig which references already downloaded or currently downloading offline content. It can passed to a Player instance for playback.

let offlineSourceConfig = downloadContentManager?.createOfflineSourceConfig()