mirror of
https://github.com/jellyfin/jellyfin.git
synced 2024-11-17 10:58:58 -07:00
814 lines
28 KiB
C#
814 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 CopyTimestamps { get; set; }
|
|
public bool EnableSubtitlesInManifest { 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));
|
|
|
|
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;
|
|
}
|
|
}
|
|
}
|