public async Task <IVideoMetadata> GetVideoMetadata(string fileName)
{
if (string.IsNullOrEmpty(fileName))
{
throw new ArgumentNullException("fileName");
}
IMediaInfo mediaInfo = await MediaInfoPromise;
if (await mediaInfo.Open(fileName) == 0)
{
throw new IOException(string.Format("Failed to open media file: {0}", fileName));
}
VideoMetadata metadata = null;
Exception exception = null;
try
{
metadata = new VideoMetadata
{
GeneralFormat = await mediaInfo.GetStringValue(StreamKind.General, "Format"),
GeneralFormatProfile = await mediaInfo.GetStringValue(StreamKind.General, "Format_Profile"),
GeneralCodecID = await mediaInfo.GetStringValue(StreamKind.General, "CodecID"),
GeneralFileSize = await mediaInfo.GetLongValue(StreamKind.General, "FileSize"),
GeneralDuration = await mediaInfo.GetDurationValue(StreamKind.General, "Duration/String3"),
GeneralOverallBitRate = await mediaInfo.GetIntegerValue(StreamKind.General, "BitRate"),
GeneralEncodedDate = FixDateTime(await mediaInfo.GetDateValue(StreamKind.General, "Encoded_Date")),
GeneralTaggedDate = FixDateTime(await mediaInfo.GetDateValue(StreamKind.General, "Tagged_Date")),
VideoStreamsCount = await mediaInfo.GetIntegerValue(StreamKind.Video, "StreamCount"),
VideoFormat = await mediaInfo.GetStringValue(StreamKind.Video, "Format"),
VideoFormatInfo = await mediaInfo.GetStringValue(StreamKind.Video, "Format/Info"),
VideoFormatProfile = await mediaInfo.GetStringValue(StreamKind.Video, "Format_Profile"),
VideoFormatSettingsCABAC = await mediaInfo.GetStringValue(StreamKind.Video, "Format_Settings_CABAC"),
VideoFormatSettingsRefFrames = await mediaInfo.GetIntegerValue(StreamKind.Video, "Format_Settings_RefFrames"),
VideoFormatSettingsGOP = await mediaInfo.GetStringValue(StreamKind.Video, "Format_Settings_GOP"),
VideoCodecID = await mediaInfo.GetStringValue(StreamKind.Video, "CodecID"),
VideoCodecIDInfo = await mediaInfo.GetStringValue(StreamKind.Video, "CodecID/Info"),
VideoDuration = await mediaInfo.GetDurationValue(StreamKind.Video, "Duration/String3"),
VideoBitRateMode = await mediaInfo.GetStringValue(StreamKind.Video, "BitRate_Mode"),
VideoBitRate = await mediaInfo.GetIntegerValue(StreamKind.Video, "BitRate"),
VideoBitRateMinimum = await mediaInfo.GetIntegerValue(StreamKind.Video, "BitRate_Minimum"),
VideoBitRateMaximum = await mediaInfo.GetIntegerValue(StreamKind.Video, "BitRate_Maximum"),
VideoBitRateNominal = await mediaInfo.GetIntegerValue(StreamKind.Video, "BitRate_Nominal"),
VideoWidth = await mediaInfo.GetIntegerValue(StreamKind.Video, "Width"),
VideoHeight = await mediaInfo.GetIntegerValue(StreamKind.Video, "Height"),
VideoDisplayAspectRatio = await mediaInfo.GetStringValue(StreamKind.Video, "DisplayAspectRatio/String"),
VideoFrameRateMode = await mediaInfo.GetStringValue(StreamKind.Video, "FrameRate_Mode"),
VideoFrameRate = await mediaInfo.GetDoubleValue(StreamKind.Video, "FrameRate"),
VideoFrameRateMinimum = await mediaInfo.GetDoubleValue(StreamKind.Video, "FrameRate_Minimum"),
VideoFrameRateMaximum = await mediaInfo.GetDoubleValue(StreamKind.Video, "FrameRate_Maximum"),
VideoFrameRateOriginal = await mediaInfo.GetDoubleValue(StreamKind.Video, "FrameRate_Original"),
VideoColorSpace = await mediaInfo.GetStringValue(StreamKind.Video, "ColorSpace"),
VideoChromaSubsampling = await mediaInfo.GetStringValue(StreamKind.Video, "Colorimetry"),
VideoBitDepth = await mediaInfo.GetIntegerValue(StreamKind.Video, "Resolution"),
VideoScanType = await mediaInfo.GetStringValue(StreamKind.Video, "ScanType"),
VideoBitsPixelByFrame = await mediaInfo.GetDoubleValue(StreamKind.Video, "Bits-(Pixel*Frame)"),
VideoStreamSize = await mediaInfo.GetLongValue(StreamKind.Video, "StreamSize"),
VideoTitle = await mediaInfo.GetStringValue(StreamKind.Video, "Title"),
VideoLanguage = await mediaInfo.GetStringValue(StreamKind.Video, "Language"),
VideoEncodedDate = FixDateTime(await mediaInfo.GetDateValue(StreamKind.Video, "Encoded_Date")),
VideoTaggedDate = FixDateTime(await mediaInfo.GetDateValue(StreamKind.Video, "Tagged_Date")),
VideoRotation = await mediaInfo.GetDoubleValue(StreamKind.Video, "Rotation"),
AudioStreamsCount = await mediaInfo.GetIntegerValue(StreamKind.Audio, "StreamCount"),
AudioFormat = await mediaInfo.GetStringValue(StreamKind.Audio, "Format"),
AudioFormatInfo = await mediaInfo.GetStringValue(StreamKind.Audio, "Format/Info"),
AudioFormatProfile = await mediaInfo.GetStringValue(StreamKind.Audio, "Format_Profile"),
AudioCodecID = await mediaInfo.GetStringValue(StreamKind.Audio, "CodecID"),
AudioDuration = await mediaInfo.GetDurationValue(StreamKind.Audio, "Duration/String3"),
AudioBitRateMode = await mediaInfo.GetStringValue(StreamKind.Audio, "BitRate_Mode"),
AudioBitRate = await mediaInfo.GetIntegerValue(StreamKind.Audio, "BitRate"),
AudioBitRateMinimum = await mediaInfo.GetIntegerValue(StreamKind.Audio, "BitRate_Minimum"),
AudioBitRateMaximum = await mediaInfo.GetIntegerValue(StreamKind.Audio, "BitRate_Maximum"),
AudioBitRateNominal = await mediaInfo.GetIntegerValue(StreamKind.Audio, "BitRate_Nominal"),
AudioChannels = await mediaInfo.GetIntegerValue(StreamKind.Audio, "Channel(s)"),
AudioChannelPositions = await mediaInfo.GetStringValue(StreamKind.Audio, "ChannelPositions"),
AudioSamplingRate = await mediaInfo.GetIntegerValue(StreamKind.Audio, "SamplingRate"),
AudioCompressionMode = await mediaInfo.GetStringValue(StreamKind.Audio, "Compression_Mode"),
AudioStreamSize = await mediaInfo.GetLongValue(StreamKind.Audio, "StreamSize"),
AudioTitle = await mediaInfo.GetStringValue(StreamKind.Audio, "Title"),
AudioLanguage = await mediaInfo.GetStringValue(StreamKind.Audio, "Language"),
AudioEncodedDate = FixDateTime(await mediaInfo.GetDateValue(StreamKind.Audio, "Encoded_Date")),
AudioTaggedDate = FixDateTime(await mediaInfo.GetDateValue(StreamKind.Audio, "Tagged_Date"))
};
}
catch (Exception e)
{
exception = e;
}
await mediaInfo.Close();
if (exception != null)
{
throw new ApplicationException(string.Format("Failed to receive metadata for file {0}", fileName), exception);
}
return(metadata);
}
