diff options
Diffstat (limited to 'MediaBrowser.Api/Playback/MediaInfoService.cs')
| -rw-r--r-- | MediaBrowser.Api/Playback/MediaInfoService.cs | 334 |
1 files changed, 315 insertions, 19 deletions
diff --git a/MediaBrowser.Api/Playback/MediaInfoService.cs b/MediaBrowser.Api/Playback/MediaInfoService.cs index 2a17b2fe8..ca735f068 100644 --- a/MediaBrowser.Api/Playback/MediaInfoService.cs +++ b/MediaBrowser.Api/Playback/MediaInfoService.cs @@ -1,8 +1,12 @@ -using MediaBrowser.Controller.Library; +using MediaBrowser.Controller.Devices; +using MediaBrowser.Controller.Entities; +using MediaBrowser.Controller.Library; using MediaBrowser.Controller.Net; using MediaBrowser.Model.Dlna; using MediaBrowser.Model.Dto; +using MediaBrowser.Model.Entities; using MediaBrowser.Model.MediaInfo; +using MediaBrowser.Model.Session; using ServiceStack; using System; using System.Collections.Generic; @@ -13,7 +17,7 @@ using System.Threading.Tasks; namespace MediaBrowser.Api.Playback { [Route("/Items/{Id}/MediaInfo", "GET", Summary = "Gets live playback media info for an item")] - public class GetLiveMediaInfo : IReturn<LiveMediaInfoResult> + public class GetLiveMediaInfo : IReturn<PlaybackInfoResponse> { [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } @@ -23,7 +27,7 @@ namespace MediaBrowser.Api.Playback } [Route("/Items/{Id}/PlaybackInfo", "GET", Summary = "Gets live playback media info for an item")] - public class GetPlaybackInfo : IReturn<LiveMediaInfoResult> + public class GetPlaybackInfo : IReturn<PlaybackInfoResponse> { [ApiMember(Name = "Id", Description = "Item Id", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "GET")] public string Id { get; set; } @@ -32,45 +36,337 @@ namespace MediaBrowser.Api.Playback public string UserId { get; set; } } + [Route("/Items/{Id}/PlaybackInfo", "POST", Summary = "Gets live playback media info for an item")] + public class GetPostedPlaybackInfo : PlaybackInfoRequest, IReturn<PlaybackInfoResponse> + { + } + + [Route("/LiveStreams/Open", "POST", Summary = "Opens a media source")] + public class OpenMediaSource : LiveStreamRequest, IReturn<LiveStreamResponse> + { + } + + [Route("/LiveStreams/Close", "POST", Summary = "Closes a media source")] + public class CloseMediaSource : IReturnVoid + { + [ApiMember(Name = "LiveStreamId", Description = "LiveStreamId", IsRequired = true, DataType = "string", ParameterType = "path", Verb = "POST")] + public string LiveStreamId { get; set; } + } + [Authenticated] public class MediaInfoService : BaseApiService { private readonly IMediaSourceManager _mediaSourceManager; + private readonly IDeviceManager _deviceManager; + private readonly ILibraryManager _libraryManager; - public MediaInfoService(IMediaSourceManager mediaSourceManager) + public MediaInfoService(IMediaSourceManager mediaSourceManager, IDeviceManager deviceManager, ILibraryManager libraryManager) { _mediaSourceManager = mediaSourceManager; + _deviceManager = deviceManager; + _libraryManager = libraryManager; } - public Task<object> Get(GetPlaybackInfo request) + public async Task<object> Get(GetPlaybackInfo request) { - return GetPlaybackInfo(request.Id, request.UserId); + var result = await GetPlaybackInfo(request.Id, request.UserId).ConfigureAwait(false); + return ToOptimizedResult(result); } - public Task<object> Get(GetLiveMediaInfo request) + public async Task<object> Get(GetLiveMediaInfo request) { - return GetPlaybackInfo(request.Id, request.UserId); + var result = await GetPlaybackInfo(request.Id, request.UserId).ConfigureAwait(false); + return ToOptimizedResult(result); } - private async Task<object> GetPlaybackInfo(string id, string userId) + public async Task<object> Post(OpenMediaSource request) { - IEnumerable<MediaSourceInfo> mediaSources; - var result = new LiveMediaInfoResult(); + var authInfo = AuthorizationContext.GetAuthorizationInfo(Request); + + var result = await _mediaSourceManager.OpenLiveStream(request, false, CancellationToken.None).ConfigureAwait(false); - try + var profile = request.DeviceProfile; + if (profile == null) { - mediaSources = await _mediaSourceManager.GetPlayackMediaSources(id, userId, true, CancellationToken.None).ConfigureAwait(false); + var caps = _deviceManager.GetCapabilities(authInfo.DeviceId); + if (caps != null) + { + profile = caps.DeviceProfile; + } } - catch (PlaybackException ex) + + if (profile != null) { - mediaSources = new List<MediaSourceInfo>(); - result.ErrorCode = ex.ErrorCode; - } + var item = _libraryManager.GetItemById(request.ItemId); - result.MediaSources = mediaSources.ToList(); - result.StreamId = Guid.NewGuid().ToString("N"); + SetDeviceSpecificData(item, result.MediaSource, profile, authInfo, request.MaxStreamingBitrate, + request.StartTimeTicks ?? 0, result.MediaSource.Id, request.AudioStreamIndex, + request.SubtitleStreamIndex); + } + else + { + if (!string.IsNullOrWhiteSpace(result.MediaSource.TranscodingUrl)) + { + result.MediaSource.TranscodingUrl += "&LiveStreamId=" + result.MediaSource.LiveStreamId; + } + } return ToOptimizedResult(result); } + + public void Post(CloseMediaSource request) + { + var task = _mediaSourceManager.CloseLiveStream(request.LiveStreamId, CancellationToken.None); + Task.WaitAll(task); + } + + public async Task<object> Post(GetPostedPlaybackInfo request) + { + var info = await GetPlaybackInfo(request.Id, request.UserId, request.MediaSourceId, request.LiveStreamId).ConfigureAwait(false); + var authInfo = AuthorizationContext.GetAuthorizationInfo(Request); + + var profile = request.DeviceProfile; + if (profile == null) + { + var caps = _deviceManager.GetCapabilities(authInfo.DeviceId); + if (caps != null) + { + profile = caps.DeviceProfile; + } + } + + if (profile != null) + { + var mediaSourceId = request.MediaSourceId; + SetDeviceSpecificData(request.Id, info, profile, authInfo, request.MaxStreamingBitrate, request.StartTimeTicks ?? 0, mediaSourceId, request.AudioStreamIndex, request.SubtitleStreamIndex); + } + + return ToOptimizedResult(info); + } + + private async Task<PlaybackInfoResponse> GetPlaybackInfo(string id, string userId, string mediaSourceId = null, string liveStreamId = null) + { + var result = new PlaybackInfoResponse(); + + if (string.IsNullOrWhiteSpace(liveStreamId)) + { + IEnumerable<MediaSourceInfo> mediaSources; + try + { + mediaSources = await _mediaSourceManager.GetPlayackMediaSources(id, userId, true, CancellationToken.None).ConfigureAwait(false); + } + catch (PlaybackException ex) + { + mediaSources = new List<MediaSourceInfo>(); + result.ErrorCode = ex.ErrorCode; + } + + result.MediaSources = mediaSources.ToList(); + + if (!string.IsNullOrWhiteSpace(mediaSourceId)) + { + result.MediaSources = result.MediaSources + .Where(i => string.Equals(i.Id, mediaSourceId, StringComparison.OrdinalIgnoreCase)) + .ToList(); + } + } + else + { + var mediaSource = await _mediaSourceManager.GetLiveStream(liveStreamId, CancellationToken.None).ConfigureAwait(false); + + result.MediaSources = new List<MediaSourceInfo> { mediaSource }; + } + + if (result.MediaSources.Count == 0) + { + if (!result.ErrorCode.HasValue) + { + result.ErrorCode = PlaybackErrorCode.NoCompatibleStream; + } + } + else + { + result.PlaySessionId = Guid.NewGuid().ToString("N"); + } + + return result; + } + + private void SetDeviceSpecificData(string itemId, + PlaybackInfoResponse result, + DeviceProfile profile, + AuthorizationInfo auth, + int? maxBitrate, + long startTimeTicks, + string mediaSourceId, + int? audioStreamIndex, + int? subtitleStreamIndex) + { + var item = _libraryManager.GetItemById(itemId); + + foreach (var mediaSource in result.MediaSources) + { + SetDeviceSpecificData(item, mediaSource, profile, auth, maxBitrate, startTimeTicks, mediaSourceId, audioStreamIndex, subtitleStreamIndex); + } + + SortMediaSources(result); + } + + private void SetDeviceSpecificData(BaseItem item, + MediaSourceInfo mediaSource, + DeviceProfile profile, + AuthorizationInfo auth, + int? maxBitrate, + long startTimeTicks, + string mediaSourceId, + int? audioStreamIndex, + int? subtitleStreamIndex) + { + var streamBuilder = new StreamBuilder(); + + var baseUrl = GetServerAddress(); + + var options = new VideoOptions + { + MediaSources = new List<MediaSourceInfo> { mediaSource }, + Context = EncodingContext.Streaming, + DeviceId = auth.DeviceId, + ItemId = item.Id.ToString("N"), + Profile = profile, + MaxBitrate = maxBitrate + }; + + if (string.Equals(mediaSourceId, mediaSource.Id, StringComparison.OrdinalIgnoreCase)) + { + options.MediaSourceId = mediaSourceId; + options.AudioStreamIndex = audioStreamIndex; + options.SubtitleStreamIndex = subtitleStreamIndex; + } + + if (mediaSource.SupportsDirectPlay) + { + var supportsDirectStream = mediaSource.SupportsDirectStream; + + // Dummy this up to fool StreamBuilder + mediaSource.SupportsDirectStream = true; + + // The MediaSource supports direct stream, now test to see if the client supports it + var streamInfo = string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase) ? + streamBuilder.BuildAudioItem(options) : + streamBuilder.BuildVideoItem(options); + + if (streamInfo == null || !streamInfo.IsDirectStream) + { + mediaSource.SupportsDirectPlay = false; + } + + // Set this back to what it was + mediaSource.SupportsDirectStream = supportsDirectStream; + + if (streamInfo != null) + { + SetDeviceSpecificSubtitleInfo(streamInfo, mediaSource, baseUrl, auth.Token); + } + } + + if (mediaSource.SupportsDirectStream) + { + // The MediaSource supports direct stream, now test to see if the client supports it + var streamInfo = string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase) ? + streamBuilder.BuildAudioItem(options) : + streamBuilder.BuildVideoItem(options); + + if (streamInfo == null || !streamInfo.IsDirectStream) + { + mediaSource.SupportsDirectStream = false; + } + + if (streamInfo != null) + { + SetDeviceSpecificSubtitleInfo(streamInfo, mediaSource, baseUrl, auth.Token); + } + } + + if (mediaSource.SupportsTranscoding) + { + // The MediaSource supports direct stream, now test to see if the client supports it + var streamInfo = string.Equals(item.MediaType, MediaType.Audio, StringComparison.OrdinalIgnoreCase) ? + streamBuilder.BuildAudioItem(options) : + streamBuilder.BuildVideoItem(options); + + if (streamInfo != null && streamInfo.PlayMethod == PlayMethod.Transcode) + { + streamInfo.StartPositionTicks = startTimeTicks; + mediaSource.TranscodingUrl = streamInfo.ToUrl(baseUrl, auth.Token); + mediaSource.TranscodingContainer = streamInfo.Container; + mediaSource.TranscodingSubProtocol = streamInfo.SubProtocol; + } + + if (streamInfo != null) + { + SetDeviceSpecificSubtitleInfo(streamInfo, mediaSource, baseUrl, auth.Token); + } + } + } + + private void SetDeviceSpecificSubtitleInfo(StreamInfo info, MediaSourceInfo mediaSource, string baseUrl, string accessToken) + { + var profiles = info.GetSubtitleProfiles(false, baseUrl, accessToken); + mediaSource.DefaultSubtitleStreamIndex = info.SubtitleStreamIndex; + + foreach (var profile in profiles) + { + foreach (var stream in mediaSource.MediaStreams) + { + if (stream.Type == MediaStreamType.Subtitle && stream.Index == profile.Index) + { + stream.DeliveryMethod = profile.DeliveryMethod; + + if (profile.DeliveryMethod == SubtitleDeliveryMethod.External) + { + stream.DeliveryUrl = profile.Url; + } + } + } + } + } + + private void SortMediaSources(PlaybackInfoResponse result) + { + var originalList = result.MediaSources.ToList(); + + result.MediaSources = result.MediaSources.OrderBy(i => + { + // Nothing beats direct playing a file + if (i.SupportsDirectPlay && i.Protocol == MediaProtocol.File) + { + return 0; + } + + return 1; + + }).ThenBy(i => + { + // Let's assume direct streaming a file is just as desirable as direct playing a remote url + if (i.SupportsDirectPlay || i.SupportsDirectStream) + { + return 0; + } + + return 1; + + }).ThenBy(i => + { + switch (i.Protocol) + { + case MediaProtocol.File: + return 0; + default: + return 1; + } + + }).ThenBy(originalList.IndexOf) + .ToList(); + } } } |