jellyfin/MediaBrowser.Model/Dlna/StreamInfo.cs
2016-11-14 02:28:20 -05:00

818 lines
28 KiB
C#

using MediaBrowser.Model.Drawing;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.Extensions;
using MediaBrowser.Model.MediaInfo;
using MediaBrowser.Model.Session;
using System;
using System.Collections.Generic;
namespace MediaBrowser.Model.Dlna
{
/// <summary>
/// Class StreamInfo.
/// </summary>
public class StreamInfo
{
public StreamInfo()
{
AudioCodecs = new string[] { };
}
public string ItemId { get; set; }
public PlayMethod PlayMethod { get; set; }
public EncodingContext Context { get; set; }
public DlnaProfileType MediaType { get; set; }
public string Container { get; set; }
public string SubProtocol { get; set; }
public long StartPositionTicks { get; set; }
public string VideoCodec { get; set; }
public string VideoProfile { get; set; }
public bool RequireAvc { get; set; }
public bool CopyTimestamps { get; set; }
public bool EnableSubtitlesInManifest { get; set; }
public bool EnableSplittingOnNonKeyFrames { get; set; }
public string[] AudioCodecs { get; set; }
public int? AudioStreamIndex { get; set; }
public int? SubtitleStreamIndex { get; set; }
public int? TranscodingMaxAudioChannels { get; set; }
public int? MaxAudioChannels { get; set; }
public int? AudioBitrate { get; set; }
public int? VideoBitrate { get; set; }
public int? VideoLevel { get; set; }
public int? MaxWidth { get; set; }
public int? MaxHeight { get; set; }
public int? MaxVideoBitDepth { get; set; }
public int? MaxRefFrames { get; set; }
public float? MaxFramerate { get; set; }
public DeviceProfile DeviceProfile { get; set; }
public string DeviceProfileId { get; set; }
public string DeviceId { get; set; }
public long? RunTimeTicks { get; set; }
public TranscodeSeekInfo TranscodeSeekInfo { get; set; }
public bool EstimateContentLength { get; set; }
public MediaSourceInfo MediaSource { get; set; }
public SubtitleDeliveryMethod SubtitleDeliveryMethod { get; set; }
public string SubtitleFormat { get; set; }
public string PlaySessionId { get; set; }
public List<MediaSourceInfo> AllMediaSources { get; set; }
public string MediaSourceId
{
get
{
return MediaSource == null ? null : MediaSource.Id;
}
}
public bool IsDirectStream
{
get
{
return PlayMethod == PlayMethod.DirectStream ||
PlayMethod == PlayMethod.DirectPlay;
}
}
public string ToUrl(string baseUrl, string accessToken)
{
if (PlayMethod == PlayMethod.DirectPlay)
{
return MediaSource.Path;
}
if (string.IsNullOrEmpty(baseUrl))
{
throw new ArgumentNullException(baseUrl);
}
List<string> list = new List<string>();
foreach (NameValuePair pair in BuildParams(this, accessToken, false))
{
if (string.IsNullOrEmpty(pair.Value))
{
continue;
}
// Try to keep the url clean by omitting defaults
if (StringHelper.EqualsIgnoreCase(pair.Name, "StartTimeTicks") &&
StringHelper.EqualsIgnoreCase(pair.Value, "0"))
{
continue;
}
if (StringHelper.EqualsIgnoreCase(pair.Name, "SubtitleStreamIndex") &&
StringHelper.EqualsIgnoreCase(pair.Value, "-1"))
{
continue;
}
if (StringHelper.EqualsIgnoreCase(pair.Name, "Static") &&
StringHelper.EqualsIgnoreCase(pair.Value, "false"))
{
continue;
}
list.Add(string.Format("{0}={1}", pair.Name, pair.Value));
}
string queryString = string.Join("&", list.ToArray());
return GetUrl(baseUrl, queryString);
}
public string ToDlnaUrl(string baseUrl, string accessToken)
{
if (PlayMethod == PlayMethod.DirectPlay)
{
return MediaSource.Path;
}
string dlnaCommand = BuildDlnaParam(this, accessToken);
return GetUrl(baseUrl, dlnaCommand);
}
private string GetUrl(string baseUrl, string queryString)
{
if (string.IsNullOrEmpty(baseUrl))
{
throw new ArgumentNullException(baseUrl);
}
string extension = string.IsNullOrEmpty(Container) ? string.Empty : "." + Container;
baseUrl = baseUrl.TrimEnd('/');
if (MediaType == DlnaProfileType.Audio)
{
if (StringHelper.EqualsIgnoreCase(SubProtocol, "hls"))
{
return string.Format("{0}/audio/{1}/master.m3u8?{2}", baseUrl, ItemId, queryString);
}
return string.Format("{0}/audio/{1}/stream{2}?{3}", baseUrl, ItemId, extension, queryString);
}
if (StringHelper.EqualsIgnoreCase(SubProtocol, "hls"))
{
return string.Format("{0}/videos/{1}/master.m3u8?{2}", baseUrl, ItemId, queryString);
}
return string.Format("{0}/videos/{1}/stream{2}?{3}", baseUrl, ItemId, extension, queryString);
}
private static string BuildDlnaParam(StreamInfo item, string accessToken)
{
List<string> list = new List<string>();
foreach (NameValuePair pair in BuildParams(item, accessToken, true))
{
list.Add(pair.Value);
}
return string.Format("Params={0}", string.Join(";", list.ToArray()));
}
private static List<NameValuePair> BuildParams(StreamInfo item, string accessToken, bool isDlna)
{
List<NameValuePair> list = new List<NameValuePair>();
string audioCodecs = item.AudioCodecs.Length == 0 ?
string.Empty :
string.Join(",", item.AudioCodecs);
list.Add(new NameValuePair("DeviceProfileId", item.DeviceProfileId ?? string.Empty));
list.Add(new NameValuePair("DeviceId", item.DeviceId ?? string.Empty));
list.Add(new NameValuePair("MediaSourceId", item.MediaSourceId ?? string.Empty));
list.Add(new NameValuePair("Static", item.IsDirectStream.ToString().ToLower()));
list.Add(new NameValuePair("VideoCodec", item.VideoCodec ?? string.Empty));
list.Add(new NameValuePair("AudioCodec", audioCodecs));
list.Add(new NameValuePair("AudioStreamIndex", item.AudioStreamIndex.HasValue ? StringHelper.ToStringCultureInvariant(item.AudioStreamIndex.Value) : string.Empty));
list.Add(new NameValuePair("SubtitleStreamIndex", item.SubtitleStreamIndex.HasValue && item.SubtitleDeliveryMethod != SubtitleDeliveryMethod.External ? StringHelper.ToStringCultureInvariant(item.SubtitleStreamIndex.Value) : string.Empty));
list.Add(new NameValuePair("VideoBitrate", item.VideoBitrate.HasValue ? StringHelper.ToStringCultureInvariant(item.VideoBitrate.Value) : string.Empty));
list.Add(new NameValuePair("AudioBitrate", item.AudioBitrate.HasValue ? StringHelper.ToStringCultureInvariant(item.AudioBitrate.Value) : string.Empty));
list.Add(new NameValuePair("MaxAudioChannels", item.MaxAudioChannels.HasValue ? StringHelper.ToStringCultureInvariant(item.MaxAudioChannels.Value) : string.Empty));
list.Add(new NameValuePair("MaxFramerate", item.MaxFramerate.HasValue ? StringHelper.ToStringCultureInvariant(item.MaxFramerate.Value) : string.Empty));
list.Add(new NameValuePair("MaxWidth", item.MaxWidth.HasValue ? StringHelper.ToStringCultureInvariant(item.MaxWidth.Value) : string.Empty));
list.Add(new NameValuePair("MaxHeight", item.MaxHeight.HasValue ? StringHelper.ToStringCultureInvariant(item.MaxHeight.Value) : string.Empty));
var forceStartPosition = false;
long startPositionTicks = item.StartPositionTicks;
//if (item.MediaSource.DateLiveStreamOpened.HasValue && startPositionTicks == 0)
//{
// var elapsed = DateTime.UtcNow - item.MediaSource.DateLiveStreamOpened.Value;
// elapsed -= TimeSpan.FromSeconds(20);
// if (elapsed.TotalSeconds >= 0)
// {
// startPositionTicks = elapsed.Ticks + startPositionTicks;
// forceStartPosition = true;
// }
//}
if (StringHelper.EqualsIgnoreCase(item.SubProtocol, "hls") && !forceStartPosition)
{
list.Add(new NameValuePair("StartTimeTicks", string.Empty));
}
else
{
list.Add(new NameValuePair("StartTimeTicks", StringHelper.ToStringCultureInvariant(startPositionTicks)));
}
list.Add(new NameValuePair("Level", item.VideoLevel.HasValue ? StringHelper.ToStringCultureInvariant(item.VideoLevel.Value) : string.Empty));
list.Add(new NameValuePair("MaxRefFrames", item.MaxRefFrames.HasValue ? StringHelper.ToStringCultureInvariant(item.MaxRefFrames.Value) : string.Empty));
list.Add(new NameValuePair("MaxVideoBitDepth", item.MaxVideoBitDepth.HasValue ? StringHelper.ToStringCultureInvariant(item.MaxVideoBitDepth.Value) : string.Empty));
list.Add(new NameValuePair("Profile", item.VideoProfile ?? string.Empty));
// no longer used
list.Add(new NameValuePair("Cabac", string.Empty));
list.Add(new NameValuePair("PlaySessionId", item.PlaySessionId ?? string.Empty));
list.Add(new NameValuePair("api_key", accessToken ?? string.Empty));
string liveStreamId = item.MediaSource == null ? null : item.MediaSource.LiveStreamId;
list.Add(new NameValuePair("LiveStreamId", liveStreamId ?? string.Empty));
if (isDlna)
{
list.Add(new NameValuePair("ItemId", item.ItemId));
}
list.Add(new NameValuePair("CopyTimestamps", item.CopyTimestamps.ToString().ToLower()));
list.Add(new NameValuePair("SubtitleMethod", item.SubtitleStreamIndex.HasValue && item.SubtitleDeliveryMethod != SubtitleDeliveryMethod.External ? item.SubtitleDeliveryMethod.ToString() : string.Empty));
list.Add(new NameValuePair("TranscodingMaxAudioChannels", item.TranscodingMaxAudioChannels.HasValue ? StringHelper.ToStringCultureInvariant(item.TranscodingMaxAudioChannels.Value) : string.Empty));
list.Add(new NameValuePair("EnableSubtitlesInManifest", item.EnableSubtitlesInManifest.ToString().ToLower()));
list.Add(new NameValuePair("Tag", item.MediaSource.ETag ?? string.Empty));
list.Add(new NameValuePair("EnableSplittingOnNonKeyFrames", item.EnableSplittingOnNonKeyFrames.ToString().ToLower()));
list.Add(new NameValuePair("RequireAvc", item.RequireAvc.ToString().ToLower()));
return list;
}
public List<SubtitleStreamInfo> GetExternalSubtitles(bool includeSelectedTrackOnly, string baseUrl, string accessToken)
{
return GetExternalSubtitles(includeSelectedTrackOnly, false, baseUrl, accessToken);
}
public List<SubtitleStreamInfo> GetExternalSubtitles(bool includeSelectedTrackOnly, bool enableAllProfiles, string baseUrl, string accessToken)
{
List<SubtitleStreamInfo> list = GetSubtitleProfiles(includeSelectedTrackOnly, enableAllProfiles, baseUrl, accessToken);
List<SubtitleStreamInfo> newList = new List<SubtitleStreamInfo>();
// First add the selected track
foreach (SubtitleStreamInfo stream in list)
{
if (stream.DeliveryMethod == SubtitleDeliveryMethod.External)
{
newList.Add(stream);
}
}
return newList;
}
public List<SubtitleStreamInfo> GetSubtitleProfiles(bool includeSelectedTrackOnly, string baseUrl, string accessToken)
{
return GetSubtitleProfiles(includeSelectedTrackOnly, false, baseUrl, accessToken);
}
public List<SubtitleStreamInfo> GetSubtitleProfiles(bool includeSelectedTrackOnly, bool enableAllProfiles, string baseUrl, string accessToken)
{
List<SubtitleStreamInfo> list = new List<SubtitleStreamInfo>();
// HLS will preserve timestamps so we can just grab the full subtitle stream
long startPositionTicks = StringHelper.EqualsIgnoreCase(SubProtocol, "hls")
? 0
: (PlayMethod == PlayMethod.Transcode && !CopyTimestamps ? StartPositionTicks : 0);
// First add the selected track
if (SubtitleStreamIndex.HasValue)
{
foreach (MediaStream stream in MediaSource.MediaStreams)
{
if (stream.Type == MediaStreamType.Subtitle && stream.Index == SubtitleStreamIndex.Value)
{
AddSubtitleProfiles(list, stream, enableAllProfiles, baseUrl, accessToken, startPositionTicks);
}
}
}
if (!includeSelectedTrackOnly)
{
foreach (MediaStream stream in MediaSource.MediaStreams)
{
if (stream.Type == MediaStreamType.Subtitle && (!SubtitleStreamIndex.HasValue || stream.Index != SubtitleStreamIndex.Value))
{
AddSubtitleProfiles(list, stream, enableAllProfiles, baseUrl, accessToken, startPositionTicks);
}
}
}
return list;
}
private void AddSubtitleProfiles(List<SubtitleStreamInfo> list, MediaStream stream, bool enableAllProfiles, string baseUrl, string accessToken, long startPositionTicks)
{
if (enableAllProfiles)
{
foreach (SubtitleProfile profile in DeviceProfile.SubtitleProfiles)
{
SubtitleStreamInfo info = GetSubtitleStreamInfo(stream, baseUrl, accessToken, startPositionTicks, new[] { profile });
list.Add(info);
}
}
else
{
SubtitleStreamInfo info = GetSubtitleStreamInfo(stream, baseUrl, accessToken, startPositionTicks, DeviceProfile.SubtitleProfiles);
list.Add(info);
}
}
private SubtitleStreamInfo GetSubtitleStreamInfo(MediaStream stream, string baseUrl, string accessToken, long startPositionTicks, SubtitleProfile[] subtitleProfiles)
{
SubtitleProfile subtitleProfile = StreamBuilder.GetSubtitleProfile(stream, subtitleProfiles, PlayMethod);
SubtitleStreamInfo info = new SubtitleStreamInfo
{
IsForced = stream.IsForced,
Language = stream.Language,
Name = stream.Language ?? "Unknown",
Format = subtitleProfile.Format,
Index = stream.Index,
DeliveryMethod = subtitleProfile.Method,
DisplayTitle = stream.DisplayTitle
};
if (info.DeliveryMethod == SubtitleDeliveryMethod.External)
{
if (MediaSource.Protocol == MediaProtocol.File || !StringHelper.EqualsIgnoreCase(stream.Codec, subtitleProfile.Format))
{
info.Url = string.Format("{0}/Videos/{1}/{2}/Subtitles/{3}/{4}/Stream.{5}",
baseUrl,
ItemId,
MediaSourceId,
StringHelper.ToStringCultureInvariant(stream.Index),
StringHelper.ToStringCultureInvariant(startPositionTicks),
subtitleProfile.Format);
if (!string.IsNullOrEmpty(accessToken))
{
info.Url += "?api_key=" + accessToken;
}
info.IsExternalUrl = false;
}
else
{
info.Url = stream.Path;
info.IsExternalUrl = true;
}
}
return info;
}
/// <summary>
/// Returns the audio stream that will be used
/// </summary>
public MediaStream TargetAudioStream
{
get
{
if (MediaSource != null)
{
return MediaSource.GetDefaultAudioStream(AudioStreamIndex);
}
return null;
}
}
/// <summary>
/// Returns the video stream that will be used
/// </summary>
public MediaStream TargetVideoStream
{
get
{
if (MediaSource != null)
{
return MediaSource.VideoStream;
}
return null;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public int? TargetAudioSampleRate
{
get
{
MediaStream stream = TargetAudioStream;
return stream == null ? null : stream.SampleRate;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public int? TargetVideoBitDepth
{
get
{
MediaStream stream = TargetVideoStream;
return stream == null || !IsDirectStream ? null : stream.BitDepth;
}
}
/// <summary>
/// Gets the target reference frames.
/// </summary>
/// <value>The target reference frames.</value>
public int? TargetRefFrames
{
get
{
MediaStream stream = TargetVideoStream;
return stream == null || !IsDirectStream ? null : stream.RefFrames;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public float? TargetFramerate
{
get
{
MediaStream stream = TargetVideoStream;
return MaxFramerate.HasValue && !IsDirectStream
? MaxFramerate
: stream == null ? null : stream.AverageFrameRate ?? stream.RealFrameRate;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public double? TargetVideoLevel
{
get
{
MediaStream stream = TargetVideoStream;
return VideoLevel.HasValue && !IsDirectStream
? VideoLevel
: stream == null ? null : stream.Level;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public int? TargetPacketLength
{
get
{
MediaStream stream = TargetVideoStream;
return !IsDirectStream
? null
: stream == null ? null : stream.PacketLength;
}
}
/// <summary>
/// Predicts the audio sample rate that will be in the output stream
/// </summary>
public string TargetVideoProfile
{
get
{
MediaStream stream = TargetVideoStream;
return !string.IsNullOrEmpty(VideoProfile) && !IsDirectStream
? VideoProfile
: stream == null ? null : stream.Profile;
}
}
/// <summary>
/// Gets the target video codec tag.
/// </summary>
/// <value>The target video codec tag.</value>
public string TargetVideoCodecTag
{
get
{
MediaStream stream = TargetVideoStream;
return !IsDirectStream
? null
: stream == null ? null : stream.CodecTag;
}
}
/// <summary>
/// Predicts the audio bitrate that will be in the output stream
/// </summary>
public int? TargetAudioBitrate
{
get
{
MediaStream stream = TargetAudioStream;
return AudioBitrate.HasValue && !IsDirectStream
? AudioBitrate
: stream == null ? null : stream.BitRate;
}
}
/// <summary>
/// Predicts the audio channels that will be in the output stream
/// </summary>
public int? TargetAudioChannels
{
get
{
MediaStream stream = TargetAudioStream;
int? streamChannels = stream == null ? null : stream.Channels;
if (MaxAudioChannels.HasValue && !IsDirectStream)
{
if (streamChannels.HasValue)
{
return Math.Min(MaxAudioChannels.Value, streamChannels.Value);
}
return MaxAudioChannels.Value;
}
return streamChannels;
}
}
/// <summary>
/// Predicts the audio codec that will be in the output stream
/// </summary>
public string TargetAudioCodec
{
get
{
MediaStream stream = TargetAudioStream;
string inputCodec = stream == null ? null : stream.Codec;
if (IsDirectStream)
{
return inputCodec;
}
foreach (string codec in AudioCodecs)
{
if (StringHelper.EqualsIgnoreCase(codec, inputCodec))
{
return codec;
}
}
return AudioCodecs.Length == 0 ? null : AudioCodecs[0];
}
}
/// <summary>
/// Predicts the audio channels that will be in the output stream
/// </summary>
public long? TargetSize
{
get
{
if (IsDirectStream)
{
return MediaSource.Size;
}
if (RunTimeTicks.HasValue)
{
int? totalBitrate = TargetTotalBitrate;
double totalSeconds = RunTimeTicks.Value;
// Convert to ms
totalSeconds /= 10000;
// Convert to seconds
totalSeconds /= 1000;
return totalBitrate.HasValue ?
Convert.ToInt64(totalBitrate.Value * totalSeconds) :
(long?)null;
}
return null;
}
}
public int? TargetVideoBitrate
{
get
{
MediaStream stream = TargetVideoStream;
return VideoBitrate.HasValue && !IsDirectStream
? VideoBitrate
: stream == null ? null : stream.BitRate;
}
}
public TransportStreamTimestamp TargetTimestamp
{
get
{
TransportStreamTimestamp defaultValue = StringHelper.EqualsIgnoreCase(Container, "m2ts")
? TransportStreamTimestamp.Valid
: TransportStreamTimestamp.None;
return !IsDirectStream
? defaultValue
: MediaSource == null ? defaultValue : MediaSource.Timestamp ?? TransportStreamTimestamp.None;
}
}
public int? TargetTotalBitrate
{
get
{
return (TargetAudioBitrate ?? 0) + (TargetVideoBitrate ?? 0);
}
}
public bool? IsTargetAnamorphic
{
get
{
if (IsDirectStream)
{
return TargetVideoStream == null ? null : TargetVideoStream.IsAnamorphic;
}
return false;
}
}
public bool? IsTargetAVC
{
get
{
if (IsDirectStream)
{
return TargetVideoStream == null ? null : TargetVideoStream.IsAVC;
}
return true;
}
}
public int? TargetWidth
{
get
{
MediaStream videoStream = TargetVideoStream;
if (videoStream != null && videoStream.Width.HasValue && videoStream.Height.HasValue)
{
ImageSize size = new ImageSize
{
Width = videoStream.Width.Value,
Height = videoStream.Height.Value
};
double? maxWidth = MaxWidth.HasValue ? (double)MaxWidth.Value : (double?)null;
double? maxHeight = MaxHeight.HasValue ? (double)MaxHeight.Value : (double?)null;
ImageSize newSize = DrawingUtils.Resize(size,
null,
null,
maxWidth,
maxHeight);
return Convert.ToInt32(newSize.Width);
}
return MaxWidth;
}
}
public int? TargetHeight
{
get
{
MediaStream videoStream = TargetVideoStream;
if (videoStream != null && videoStream.Width.HasValue && videoStream.Height.HasValue)
{
ImageSize size = new ImageSize
{
Width = videoStream.Width.Value,
Height = videoStream.Height.Value
};
double? maxWidth = MaxWidth.HasValue ? (double)MaxWidth.Value : (double?)null;
double? maxHeight = MaxHeight.HasValue ? (double)MaxHeight.Value : (double?)null;
ImageSize newSize = DrawingUtils.Resize(size,
null,
null,
maxWidth,
maxHeight);
return Convert.ToInt32(newSize.Height);
}
return MaxHeight;
}
}
public int? TargetVideoStreamCount
{
get
{
if (IsDirectStream)
{
return GetMediaStreamCount(MediaStreamType.Video, int.MaxValue);
}
return GetMediaStreamCount(MediaStreamType.Video, 1);
}
}
public int? TargetAudioStreamCount
{
get
{
if (IsDirectStream)
{
return GetMediaStreamCount(MediaStreamType.Audio, int.MaxValue);
}
return GetMediaStreamCount(MediaStreamType.Audio, 1);
}
}
private int? GetMediaStreamCount(MediaStreamType type, int limit)
{
var count = MediaSource.GetStreamCount(type);
if (count.HasValue)
{
count = Math.Min(count.Value, limit);
}
return count;
}
public List<MediaStream> GetSelectableAudioStreams()
{
return GetSelectableStreams(MediaStreamType.Audio);
}
public List<MediaStream> GetSelectableSubtitleStreams()
{
return GetSelectableStreams(MediaStreamType.Subtitle);
}
public List<MediaStream> GetSelectableStreams(MediaStreamType type)
{
List<MediaStream> list = new List<MediaStream>();
foreach (MediaStream stream in MediaSource.MediaStreams)
{
if (type == stream.Type)
{
list.Add(stream);
}
}
return list;
}
}
}