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