static string ToFormattedString(this MediaPropertySet mediaPropertySet)
{
var retVal = new StringBuilder();
if (mediaPropertySet.Count != 0)
{
retVal.AppendLine("Additional Encoding Properties:");
}
foreach (var prop in mediaPropertySet)
{
// We can also get the various MF_ Guid-based props, some of which are a repeat from above:
retVal.AppendLine(MediaFoundationGuidStringExtensions.ToMFAttributeName(prop.Key) + ":\t" + MediaFoundationGuidStringExtensions.ToMFAttributeName(prop.Value));
// Special case for Byte Arrays:
if (prop.Value.GetType() == typeof(System.Byte[]))
{
var propBytes = prop.Value as System.Byte[];
if (propBytes != null && propBytes.Length > 0)
{
String byteString = "";
foreach (var b in propBytes)
{
byteString += String.Format("{0:X2} ", b);
}
retVal.AppendLine(MediaFoundationGuidStringExtensions.ToMFAttributeName(prop.Key) + " as Hex:\t" + byteString);
}
}
}
return(retVal.ToString());
}
public static string ToFormattedString(this MediaPlaybackItem item)
{
if (item == null)
{
return(String.Empty);
}
StringBuilder sb = new StringBuilder();
// MediaPlaybackItem.Source.CustomProperties
var source = item.Source;
if (source != null && source.CustomProperties.Any())
{
sb.AppendLine();
sb.AppendLine("=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
sb.AppendLine("Source.CustomProperties:");
foreach (var prop in source.CustomProperties)
{
sb.AppendLine(prop.Key + ":\t" + prop.Value);
}
}
// MediaPlaybackItem.VideoTracks[].*
foreach (var track in item.VideoTracks)
{
// Note that AdaptiveMediaSource only exposes a single Video track. Details on bitrates are directly on the AdaptiveMediaSource.
sb.AppendLine();
sb.AppendLine("=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
sb.AppendLine("TrackKind:\t" + track.TrackKind);
sb.AppendLine("Id:\t" + track.Id);
sb.AppendLine("Label:\t" + track.Label);
sb.AppendLine("Language:\t" + track.Language);
sb.AppendLine("Name:\t" + track.Name);
sb.AppendLine("DecoderStatus:\t" + track.SupportInfo.DecoderStatus);
sb.AppendLine("MediaSourceStatus:\t" + track.SupportInfo.MediaSourceStatus);
var encodingProps = track.GetEncodingProperties();
if (encodingProps != null)
{
sb.AppendLine("Encoding Properties:");
sb.AppendLine("Type:\t" + encodingProps.Type);
sb.AppendLine("Subtype:\t" + MediaFoundationGuidStringExtensions.ToMFAttributeName(encodingProps.Subtype));
sb.AppendLine("Bitrate:\t" + encodingProps.Bitrate);
sb.AppendLine(encodingProps.FrameRate.ToFormattedString("FrameRate"));
sb.AppendLine("Height:\t" + encodingProps.Height);
sb.AppendLine(encodingProps.PixelAspectRatio.ToFormattedString("PixelAspectRatio"));
sb.AppendLine("ProfileId:\t" + encodingProps.ProfileId);
sb.AppendLine("StereoscopicVideoPackingMode:\t" + encodingProps.StereoscopicVideoPackingMode);
sb.AppendLine("Width:\t" + encodingProps.Width);
var additionalProperties = encodingProps.Properties;
sb.AppendLine(additionalProperties.ToFormattedString());
}
}
// MediaPlaybackItem.AudioTracks[].*
foreach (var track in item.AudioTracks)
{
sb.AppendLine();
sb.AppendLine("=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
sb.AppendLine("TrackKind:\t" + track.TrackKind);
sb.AppendLine("Id:\t" + track.Id);
sb.AppendLine("Label:\t" + track.Label);
sb.AppendLine("Language:\t" + track.Language);
sb.AppendLine("Name:\t" + track.Name);
sb.AppendLine("DecoderStatus:\t" + track.SupportInfo.DecoderStatus);
sb.AppendLine("MediaSourceStatus:\t" + track.SupportInfo.MediaSourceStatus);
var encodingProps = track.GetEncodingProperties();
if (encodingProps != null)
{
sb.AppendLine("Encoding Properties:");
sb.AppendLine("Type:\t" + encodingProps.Type);
sb.AppendLine("Subtype:\t" + MediaFoundationGuidStringExtensions.ToMFAttributeName(encodingProps.Subtype));
sb.AppendLine("Bitrate:\t" + encodingProps.Bitrate);
sb.AppendLine("BitsPerSample:\t" + encodingProps.BitsPerSample);
sb.AppendLine("ChannelCount:\t" + encodingProps.ChannelCount);
sb.AppendLine("SampleRate:\t" + encodingProps.SampleRate);
var additionalProperties = encodingProps.Properties;
sb.AppendLine(additionalProperties.ToFormattedString());
}
}
// MediaPlaybackItem.TimedMetadataTracks[].*
// Metadata tracks can be added after the open operation,
// using a foreach has a risk that the collection will
// change during the itteration which will throw an exception.
int countOfMetadataTracks = item.TimedMetadataTracks.Count;
for (int i = 0; i < countOfMetadataTracks; i++)
{
var track = item.TimedMetadataTracks[i];
sb.AppendLine();
sb.AppendLine("=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=-=");
sb.AppendLine("TrackKind:\t" + track.TrackKind);
sb.AppendLine("Id:\t" + track.Id);
sb.AppendLine("Label:\t" + track.Label);
sb.AppendLine("Language:\t" + track.Language);
sb.AppendLine("Name:\t" + track.Name);
if (track.ActiveCues != null)
{
sb.AppendLine("ActiveCues.Count:\t" + track.ActiveCues.Count);
}
if (track.Cues != null)
{
sb.AppendLine("Cues.Count:\t" + track.Cues.Count);
}
sb.AppendLine("DispatchType:\t" + track.DispatchType);
sb.AppendLine("TimedMetadataKind:\t" + track.TimedMetadataKind);
}
return(sb.ToString());
}
