private void AssignDlnaMetadata(MetadataContainer info, int edition)
{
if (info == null)
{
return;
}
List <string> profileList = new List <string>();
if (TranscodingParameter == null)
{
Metadata = info.Metadata[edition];
Video = info.Video[edition];
Audio = info.Audio[edition];
Image = info.Image[edition];
Subtitles = info.Subtitles[edition];
}
else
{
if (IsImage)
{
ImageTranscoding image = (ImageTranscoding)TranscodingParameter;
TranscodedImageMetadata metadata = MediaConverter.GetTranscodedImageMetadata(image);
Metadata = new MetadataStream
{
Mime = info.Metadata[edition].Mime,
ImageContainerType = metadata.TargetImageCodec,
Size = Client.EstimateTransodedSize ? info.Metadata[edition].Size : 0,
};
Image = new ImageStream
{
Height = metadata.TargetMaxHeight,
Orientation = metadata.TargetOrientation,
PixelFormatType = metadata.TargetPixelFormat,
Width = metadata.TargetMaxWidth
};
}
else if (IsAudio)
{
AudioTranscoding audio = (AudioTranscoding)TranscodingParameter;
TranscodedAudioMetadata metadata = MediaConverter.GetTranscodedAudioMetadata(audio);
Metadata = new MetadataStream
{
Mime = info.Metadata[edition].Mime,
AudioContainerType = metadata.TargetAudioContainer,
Bitrate = metadata.TargetAudioBitrate > 0 ? metadata.TargetAudioBitrate : null,
Duration = info.Metadata[edition].Duration,
Size = Client.EstimateTransodedSize ? (metadata.TargetAudioBitrate > 0 ? Convert.ToInt64((metadata.TargetAudioBitrate * 1024 * info.Metadata[edition].Duration) / 8.0) : (long?)null) : null,
};
AudioStream audioStream = new AudioStream();
audioStream.Bitrate = metadata.TargetAudioBitrate;
audioStream.Channels = metadata.TargetAudioChannels;
audioStream.Codec = metadata.TargetAudioCodec;
audioStream.Frequency = metadata.TargetAudioFrequency;
Audio = new List <AudioStream> {
audioStream
};
}
else if (IsVideo)
{
VideoTranscoding video = (VideoTranscoding)TranscodingParameter;
TranscodedVideoMetadata metadata = MediaConverter.GetTranscodedVideoMetadata(video);
Metadata = new MetadataStream
{
Mime = info.Metadata[edition].Mime,
VideoContainerType = metadata.TargetVideoContainer,
Bitrate = metadata.TargetAudioBitrate > 0 && metadata.TargetVideoBitrate > 0 ? metadata.TargetAudioBitrate + metadata.TargetVideoBitrate : null,
Duration = info.Metadata[edition].Duration,
Size = Client.EstimateTransodedSize ? (metadata.TargetAudioBitrate > 0 && info.Metadata[edition].Duration > 0 ? Convert.ToInt64((metadata.TargetAudioBitrate * 1024 * info.Metadata[edition].Duration) / 8.0) : (long?)null) : null,
};
Video = new VideoStream
{
AspectRatio = metadata.TargetVideoAspectRatio,
Bitrate = metadata.TargetVideoBitrate,
Codec = metadata.TargetVideoCodec,
Framerate = metadata.TargetVideoFrameRate,
HeaderLevel = metadata.TargetLevel,
ProfileType = metadata.TargetProfile,
RefLevel = metadata.TargetLevel,
Height = metadata.TargetVideoMaxHeight,
PixelAspectRatio = metadata.TargetVideoPixelAspectRatio,
PixelFormatType = metadata.TargetVideoPixelFormat,
TimestampType = metadata.TargetVideoTimestamp,
Width = metadata.TargetVideoMaxWidth,
};
AudioStream audioStream = new AudioStream();
audioStream.Bitrate = metadata.TargetAudioBitrate;
audioStream.Channels = metadata.TargetAudioChannels;
audioStream.Codec = metadata.TargetAudioCodec;
audioStream.Frequency = metadata.TargetAudioFrequency;
Audio = new List <AudioStream> {
audioStream
};
}
}
if (IsImage)
{
profileList = DlnaProfiles.ResolveImageProfile(Metadata.ImageContainerType, Image.Width, Image.Height);
}
else if (IsAudio)
{
var audio = Audio.FirstOrDefault();
profileList = DlnaProfiles.ResolveAudioProfile(Metadata.AudioContainerType, audio?.Codec ?? AudioCodec.Unknown, audio?.Bitrate, audio?.Frequency, audio?.Channels);
}
else if (IsVideo)
{
var audio = Audio.FirstOrDefault();
profileList = DlnaProfiles.ResolveVideoProfile(Metadata.VideoContainerType, Video.Codec, audio?.Codec ?? AudioCodec.Unknown, Video.ProfileType, Video.HeaderLevel,
Video.Framerate, Video.Width, Video.Height, Video.Bitrate, audio?.Bitrate, Video.TimestampType);
}
string profile = "";
string mime = info.Metadata[edition].Mime;
if (DlnaProfiles.TryFindCompatibleProfile(Client, profileList, ref profile, ref mime))
{
DlnaMime = mime;
DlnaProfile = profile;
}
}
public static Task <Stream> CreatePlaylistManifestAsync(VideoTranscoding video, SubtitleStream sub)
{
if (ServiceRegistration.IsRegistered <IMediaConverter>())
{
IMediaConverter converter = ServiceRegistration.Get <IMediaConverter>();
TranscodedVideoMetadata metaData = converter.GetTranscodedVideoMetadata(video);
double bitrate = 10000000;
if (metaData.TargetVideoBitrate.HasValue && metaData.TargetAudioBitrate.HasValue)
{
bitrate += metaData.TargetVideoBitrate.Value;
bitrate += metaData.TargetAudioBitrate.Value;
bitrate = bitrate * 1024; //Bitrate in bits/s
}
int width = 1920;
int height = 1080;
if (metaData.TargetVideoMaxHeight.HasValue && metaData.TargetVideoMaxWidth.HasValue)
{
width = metaData.TargetVideoMaxHeight.Value;
height = metaData.TargetVideoMaxWidth.Value;
}
string codec = "avc1.66.30,mp4a.40.2"; //H264 Baseline 3.0 and AAC
if (metaData.TargetVideoCodec == VideoCodec.H264)
{
codec = "avc1.";
if (metaData.TargetProfile == EncodingProfile.Baseline)
{
codec += "66.";
}
else if (metaData.TargetProfile == EncodingProfile.Main)
{
codec += "77.";
}
else //High
{
codec += "100.";
}
codec += ((metaData.TargetLevel ?? 0) * 10).ToString("0");
if (metaData.TargetAudioCodec == AudioCodec.Ac3)
{
codec += ",ac-3";
}
else
{
codec += ",mp4a.40.";
if (metaData.TargetAudioCodec == AudioCodec.Aac)
{
codec += "2";
}
else if (metaData.TargetAudioCodec == AudioCodec.Mp3)
{
codec += "34";
}
else //HE-ACC
{
codec += "5";
}
}
}
StringBuilder manifestBuilder = new StringBuilder();
using (StringWriter writer = new StringWriter(manifestBuilder))
{
writer.WriteLine("#EXTM3U");
writer.WriteLine();
if (sub != null)
{
CultureInfo culture = new CultureInfo(sub.Language);
writer.WriteLine(string.Format("#EXT-X-MEDIA:TYPE=SUBTITLES,GROUP-ID=\"subs\",NAME=\"{0}\",DEFAULT=YES,AUTOSELECT=YES,FORCED=NO,LANGUAGE=\"{1}\",URI=\"{2}\"",
culture.DisplayName, culture.TwoLetterISOLanguageName.ToLowerInvariant(), URL_PLACEHOLDER + converter.HLSSubtitlePlayListName));
writer.WriteLine();
}
writer.WriteLine(string.Format("#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH={0},RESOLUTION={1},CODECS=\"{2}\"{3}",
bitrate.ToString("0"), width + "x" + height, codec, sub != null ? ",SUBTITLES=\"subs\"" : ""));
writer.WriteLine(URL_PLACEHOLDER + converter.HLSMediaPlayListName);
writer.WriteLine();
}
var memStream = new MemoryStream(Encoding.UTF8.GetBytes(manifestBuilder.ToString()));
memStream.Position = 0;
return(Task.FromResult <Stream>(memStream));
}
return(Task.FromResult <Stream>(null));
}
