342 lines
14 KiB
C#
342 lines
14 KiB
C#
using MediaBrowser.Controller.Devices;
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using MediaBrowser.Controller.Entities;
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using MediaBrowser.Controller.Library;
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using MediaBrowser.Controller.Net;
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using MediaBrowser.Model.Dlna;
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using MediaBrowser.Model.Dto;
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using MediaBrowser.Model.Entities;
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using MediaBrowser.Model.MediaInfo;
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using MediaBrowser.Model.Session;
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using ServiceStack;
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using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Threading;
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using System.Threading.Tasks;
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namespace MediaBrowser.Api.Playback
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{
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[Route("/Items/{Id}/MediaInfo", "GET", Summary = "Gets live playback media info for an item")]
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public class GetLiveMediaInfo : IReturn<PlaybackInfoResponse>
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{
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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[ApiMember(Name = "UserId", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "GET")]
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public string UserId { get; set; }
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}
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[Route("/Items/{Id}/PlaybackInfo", "GET", Summary = "Gets live playback media info for an item")]
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public class GetPlaybackInfo : IReturn<PlaybackInfoResponse>
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{
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")]
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public string Id { get; set; }
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[ApiMember(Name = "UserId", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "GET")]
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public string UserId { get; set; }
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}
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[Route("/Items/{Id}/PlaybackInfo", "POST", Summary = "Gets live playback media info for an item")]
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public class GetPostedPlaybackInfo : PlaybackInfoRequest, IReturn<PlaybackInfoResponse>
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{
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[ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
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public string Id { get; set; }
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[ApiMember(Name = "UserId", Description = "User Id", IsRequired = true, DataType = "string", ParameterType = "query", Verb = "POST")]
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public string UserId { get; set; }
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[ApiMember(Name = "MaxStreamingBitrate", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "POST")]
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public int? MaxStreamingBitrate { get; set; }
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[ApiMember(Name = "StartTimeTicks", Description = "Optional. Specify a starting offset, in ticks. 1 tick = 10000 ms", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "POST")]
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public long? StartTimeTicks { get; set; }
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[ApiMember(Name = "AudioStreamIndex", Description = "Optional. The index of the audio stream to use. If omitted the first audio stream will be used.", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "POST")]
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public int? AudioStreamIndex { get; set; }
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[ApiMember(Name = "SubtitleStreamIndex", Description = "Optional. The index of the subtitle stream to use. If omitted no subtitles will be used.", IsRequired = false, DataType = "int", ParameterType = "query", Verb = "POST")]
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public int? SubtitleStreamIndex { get; set; }
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[ApiMember(Name = "MediaSourceId", Description = "The media version id, if playing an alternate version", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
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public string MediaSourceId { get; set; }
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}
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[Route("/LiveStreams/Open", "POST", Summary = "Opens a media source")]
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public class OpenMediaSource : LiveStreamRequest, IReturn<LiveStreamResponse>
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{
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}
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[Route("/LiveStreams/Close", "POST", Summary = "Closes a media source")]
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public class CloseMediaSource : IReturnVoid
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{
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[ApiMember(Name = "LiveStreamId", Description = "LiveStreamId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")]
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public string LiveStreamId { get; set; }
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}
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[Authenticated]
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public class MediaInfoService : BaseApiService
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{
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private readonly IMediaSourceManager _mediaSourceManager;
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private readonly IDeviceManager _deviceManager;
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private readonly ILibraryManager _libraryManager;
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public MediaInfoService(IMediaSourceManager mediaSourceManager, IDeviceManager deviceManager, ILibraryManager libraryManager)
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{
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_mediaSourceManager = mediaSourceManager;
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_deviceManager = deviceManager;
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_libraryManager = libraryManager;
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}
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public async Task<object> Get(GetPlaybackInfo request)
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{
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var result = await GetPlaybackInfo(request.Id, request.UserId).ConfigureAwait(false);
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return ToOptimizedResult(result);
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}
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public async Task<object> Get(GetLiveMediaInfo request)
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{
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var result = await GetPlaybackInfo(request.Id, request.UserId).ConfigureAwait(false);
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return ToOptimizedResult(result);
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}
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public async Task<object> Post(OpenMediaSource request)
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{
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var authInfo = AuthorizationContext.GetAuthorizationInfo(Request);
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var result = await _mediaSourceManager.OpenLiveStream(request, false, CancellationToken.None).ConfigureAwait(false);
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var profile = request.DeviceProfile;
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if (profile == null)
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{
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var caps = _deviceManager.GetCapabilities(authInfo.DeviceId);
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if (caps != null)
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{
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profile = caps.DeviceProfile;
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}
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}
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if (profile != null)
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{
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var item = _libraryManager.GetItemById(request.ItemId);
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SetDeviceSpecificData(item, result.MediaSource, profile, authInfo, request.MaxStreamingBitrate, request.StartTimeTicks ?? 0, result.MediaSource.Id, request.AudioStreamIndex, request.SubtitleStreamIndex);
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}
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if (!string.IsNullOrWhiteSpace(result.MediaSource.TranscodingUrl))
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{
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result.MediaSource.TranscodingUrl += "&LiveStreamId=" + result.MediaSource.LiveStreamId;
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}
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return ToOptimizedResult(result);
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}
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public void Post(CloseMediaSource request)
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{
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var task = _mediaSourceManager.CloseLiveStream(request.LiveStreamId, CancellationToken.None);
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Task.WaitAll(task);
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}
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public async Task<object> Post(GetPostedPlaybackInfo request)
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{
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var info = await GetPlaybackInfo(request.Id, request.UserId, request.MediaSourceId).ConfigureAwait(false);
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var authInfo = AuthorizationContext.GetAuthorizationInfo(Request);
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var profile = request.DeviceProfile;
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if (profile == null)
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{
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var caps = _deviceManager.GetCapabilities(authInfo.DeviceId);
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if (caps != null)
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{
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profile = caps.DeviceProfile;
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}
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}
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if (profile != null)
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{
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var mediaSourceId = request.MediaSourceId;
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SetDeviceSpecificData(request.Id, info, profile, authInfo, request.MaxStreamingBitrate, request.StartTimeTicks ?? 0, mediaSourceId, request.AudioStreamIndex, request.SubtitleStreamIndex);
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}
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return ToOptimizedResult(info);
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}
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private async Task<PlaybackInfoResponse> GetPlaybackInfo(string id, string userId, string mediaSourceId = null)
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{
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var result = new PlaybackInfoResponse();
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IEnumerable<MediaSourceInfo> mediaSources;
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try
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{
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mediaSources = await _mediaSourceManager.GetPlayackMediaSources(id, userId, true, CancellationToken.None).ConfigureAwait(false);
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}
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catch (PlaybackException ex)
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{
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mediaSources = new List<MediaSourceInfo>();
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result.ErrorCode = ex.ErrorCode;
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}
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result.MediaSources = mediaSources.ToList();
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if (!string.IsNullOrWhiteSpace(mediaSourceId))
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{
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result.MediaSources = result.MediaSources
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.Where(i => string.Equals(i.Id, mediaSourceId, StringComparison.OrdinalIgnoreCase))
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.ToList();
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}
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if (result.MediaSources.Count == 0)
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{
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if (!result.ErrorCode.HasValue)
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{
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result.ErrorCode = PlaybackErrorCode.NoCompatibleStream;
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}
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}
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else
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{
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result.PlaySessionId = Guid.NewGuid().ToString("N");
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}
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return result;
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}
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private void SetDeviceSpecificData(string itemId,
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PlaybackInfoResponse result,
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DeviceProfile profile,
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AuthorizationInfo auth,
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int? maxBitrate,
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long startTimeTicks,
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string mediaSourceId,
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int? audioStreamIndex,
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int? subtitleStreamIndex)
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{
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var item = _libraryManager.GetItemById(itemId);
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foreach (var mediaSource in result.MediaSources)
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{
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SetDeviceSpecificData(item, mediaSource, profile, auth, maxBitrate, startTimeTicks, mediaSourceId, audioStreamIndex, subtitleStreamIndex);
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}
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SortMediaSources(result);
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}
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private void SetDeviceSpecificData(BaseItem item,
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MediaSourceInfo mediaSource,
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DeviceProfile profile,
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AuthorizationInfo auth,
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int? maxBitrate,
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long startTimeTicks,
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string mediaSourceId,
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int? audioStreamIndex,
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int? subtitleStreamIndex)
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{
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var streamBuilder = new StreamBuilder();
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var options = new VideoOptions
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{
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MediaSources = new List<MediaSourceInfo> { mediaSource },
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Context = EncodingContext.Streaming,
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DeviceId = auth.DeviceId,
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ItemId = item.Id.ToString("N"),
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Profile = profile,
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MaxBitrate = maxBitrate
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};
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if (string.Equals(mediaSourceId, mediaSource.Id, StringComparison.OrdinalIgnoreCase))
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{
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options.MediaSourceId = mediaSourceId;
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options.AudioStreamIndex = audioStreamIndex;
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options.SubtitleStreamIndex = subtitleStreamIndex;
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}
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if (mediaSource.SupportsDirectPlay)
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{
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var supportsDirectStream = mediaSource.SupportsDirectStream;
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// Dummy this up to fool StreamBuilder
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mediaSource.SupportsDirectStream = true;
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// The MediaSource supports direct stream, now test to see if the client supports it
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var streamInfo = string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase) ?
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streamBuilder.BuildAudioItem(options) :
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streamBuilder.BuildVideoItem(options);
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if (streamInfo == null || !streamInfo.IsDirectStream)
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{
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mediaSource.SupportsDirectPlay = false;
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}
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// Set this back to what it was
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mediaSource.SupportsDirectStream = supportsDirectStream;
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}
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if (mediaSource.SupportsDirectStream)
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{
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// The MediaSource supports direct stream, now test to see if the client supports it
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var streamInfo = string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase) ?
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streamBuilder.BuildAudioItem(options) :
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streamBuilder.BuildVideoItem(options);
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if (streamInfo == null || !streamInfo.IsDirectStream)
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{
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mediaSource.SupportsDirectStream = false;
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}
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}
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if (mediaSource.SupportsTranscoding)
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{
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// The MediaSource supports direct stream, now test to see if the client supports it
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var streamInfo = string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase) ?
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streamBuilder.BuildAudioItem(options) :
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streamBuilder.BuildVideoItem(options);
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if (streamInfo != null && streamInfo.PlayMethod == PlayMethod.Transcode)
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{
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streamInfo.StartPositionTicks = startTimeTicks;
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mediaSource.TranscodingUrl = streamInfo.ToUrl("-", auth.Token).Substring(1);
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mediaSource.TranscodingContainer = streamInfo.Container;
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mediaSource.TranscodingSubProtocol = streamInfo.SubProtocol;
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}
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}
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}
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private void SortMediaSources(PlaybackInfoResponse result)
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{
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var originalList = result.MediaSources.ToList();
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result.MediaSources = result.MediaSources.OrderBy(i =>
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{
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// Nothing beats direct playing a file
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if (i.SupportsDirectPlay && i.Protocol == MediaProtocol.File)
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{
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return 0;
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}
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return 1;
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}).ThenBy(i =>
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{
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// Let's assume direct streaming a file is just as desirable as direct playing a remote url
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if (i.SupportsDirectPlay || i.SupportsDirectStream)
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{
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return 0;
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}
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return 1;
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}).ThenBy(i =>
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{
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switch (i.Protocol)
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{
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case MediaProtocol.File:
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return 0;
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default:
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return 1;
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}
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}).ThenBy(originalList.IndexOf)
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.ToList();
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}
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}
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}
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