private void Source_OpenOperationCompleted(MediaSource sender, MediaSourceOpenOperationCompletedEventArgs args)
{
// Get the MediaPlaybackItem that corresponds to the MediaSource.
MediaPlaybackItem item = MediaPlaybackItem.FindFromMediaSource(sender);
if (item != null && item.AudioTracks.Count > 0)
{
// The MediaPlaybackItem contains additional information about the underlying media.
string audioCodec = item.AudioTracks[item.AudioTracks.SelectedIndex].GetEncodingProperties().Subtype;
// We can read values from the MediaSource.CustomProperties.
object customValue = null;
sender.CustomProperties.TryGetValue("uri", out customValue);
string uri = (string)customValue;
customValue = null;
sender.CustomProperties.TryGetValue("contentId", out customValue);
string contentId = (string)customValue;
logView.Log($"Opened Media Source with Uri: {uri}, ContentId: {contentId}, Codec: {audioCodec}", LogViewLoggingLevel.Information);
// This extension method in MediaPlaybackItemStringExtensions dumps all the properties from all the tracks.
var allProperties = item.ToFormattedString();
logView.Log($"MediaPlaybackItem nested properties: {allProperties}", LogViewLoggingLevel.Verbose);
// The AdaptiveMediaSource can manage multiple video tracks internally,
// but only a single video track is exposed in the MediaPlaybackItem, not a collection.
}
}
private void Source_OpenOperationCompleted(MediaSource sender, MediaSourceOpenOperationCompletedEventArgs args)
{
// Get the MediaPlaybackItem that corresponds to the MediaSource.
MediaPlaybackItem item = MediaPlaybackItem.FindFromMediaSource(sender);
if (item != null && item.AudioTracks.Count > 0)
{
// The MediaPlaybackItem contains additional information about the underlying media.
string audioCodec = item.AudioTracks[item.AudioTracks.SelectedIndex].GetEncodingProperties().Subtype;
// We can read values from the MediaSource.CustomProperties.
var uri = (string)sender.CustomProperties["uri"];
var contentId = (Guid)sender.CustomProperties["contentId"];
Log($"Opened Media Source with Uri: {uri}, ContentId: {contentId}, Codec: {audioCodec}");
// This extension method in MediaPlaybackItemStringExtensions dumps all the properties from all the tracks.
var allProperties = item.ToFormattedString();
Log(allProperties);
// The AdaptiveMediaSource can manage multiple video tracks internally,
// but only a single video track is exposed in the MediaPlaybackItem, not a collection.
}
}