diff options
Diffstat (limited to 'MediaBrowser.Api/Playback')
8 files changed, 598 insertions, 338 deletions
diff --git a/MediaBrowser.Api/Playback/BaseStreamingService.cs b/MediaBrowser.Api/Playback/BaseStreamingService.cs index 5029ce0bb..f796aa486 100644 --- a/MediaBrowser.Api/Playback/BaseStreamingService.cs +++ b/MediaBrowser.Api/Playback/BaseStreamingService.cs @@ -81,7 +81,7 @@ namespace MediaBrowser.Api.Playback /// Initializes a new instance of the <see cref="BaseStreamingService" /> class. /// </summary> protected BaseStreamingService( - ILogger logger, + ILogger<BaseStreamingService> logger, IServerConfigurationManager serverConfigurationManager, IHttpResultFactory httpResultFactory, IUserManager userManager, @@ -134,15 +134,12 @@ namespace MediaBrowser.Api.Playback var data = $"{state.MediaPath}-{state.UserAgent}-{state.Request.DeviceId}-{state.Request.PlaySessionId}"; var filename = data.GetMD5().ToString("N", CultureInfo.InvariantCulture); - var ext = outputFileExtension.ToLowerInvariant(); + var ext = outputFileExtension?.ToLowerInvariant(); var folder = ServerConfigurationManager.GetTranscodePath(); - if (EnableOutputInSubFolder) - { - return Path.Combine(folder, filename, filename + ext); - } - - return Path.Combine(folder, filename + ext); + return EnableOutputInSubFolder + ? Path.Combine(folder, filename, filename + ext) + : Path.Combine(folder, filename + ext); } protected virtual string GetDefaultEncoderPreset() @@ -248,14 +245,8 @@ namespace MediaBrowser.Api.Playback if (state.VideoRequest != null && string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase)) { - if (string.Equals(state.OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase)) - { - logFilePrefix = "ffmpeg-remux"; - } - else - { - logFilePrefix = "ffmpeg-directstream"; - } + logFilePrefix = string.Equals(state.OutputAudioCodec, "copy", StringComparison.OrdinalIgnoreCase) + ? "ffmpeg-remux" : "ffmpeg-directstream"; } var logFilePath = Path.Combine(ServerConfigurationManager.ApplicationPaths.LogDirectoryPath, logFilePrefix + "-" + Guid.NewGuid() + ".txt"); @@ -330,7 +321,7 @@ namespace MediaBrowser.Api.Playback var encodingOptions = ServerConfigurationManager.GetEncodingOptions(); // enable throttling when NOT using hardware acceleration - if (encodingOptions.HardwareAccelerationType == string.Empty) + if (string.IsNullOrEmpty(encodingOptions.HardwareAccelerationType)) { return state.InputProtocol == MediaProtocol.File && state.RunTimeTicks.HasValue && @@ -339,6 +330,7 @@ namespace MediaBrowser.Api.Playback state.VideoType == VideoType.VideoFile && !string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase); } + return false; } @@ -389,195 +381,181 @@ namespace MediaBrowser.Api.Playback continue; } - if (i == 0) - { - request.DeviceProfileId = val; - } - else if (i == 1) - { - request.DeviceId = val; - } - else if (i == 2) - { - request.MediaSourceId = val; - } - else if (i == 3) - { - request.Static = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - else if (i == 4) - { - if (videoRequest != null) - { - videoRequest.VideoCodec = val; - } - } - else if (i == 5) - { - request.AudioCodec = val; - } - else if (i == 6) - { - if (videoRequest != null) - { - videoRequest.AudioStreamIndex = int.Parse(val, CultureInfo.InvariantCulture); - } - } - else if (i == 7) - { - if (videoRequest != null) - { - videoRequest.SubtitleStreamIndex = int.Parse(val, CultureInfo.InvariantCulture); - } - } - else if (i == 8) - { - if (videoRequest != null) - { - videoRequest.VideoBitRate = int.Parse(val, CultureInfo.InvariantCulture); - } - } - else if (i == 9) - { - request.AudioBitRate = int.Parse(val, CultureInfo.InvariantCulture); - } - else if (i == 10) - { - request.MaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture); - } - else if (i == 11) - { - if (videoRequest != null) - { - videoRequest.MaxFramerate = float.Parse(val, CultureInfo.InvariantCulture); - } - } - else if (i == 12) - { - if (videoRequest != null) - { - videoRequest.MaxWidth = int.Parse(val, CultureInfo.InvariantCulture); - } - } - else if (i == 13) - { - if (videoRequest != null) - { - videoRequest.MaxHeight = int.Parse(val, CultureInfo.InvariantCulture); - } - } - else if (i == 14) - { - request.StartTimeTicks = long.Parse(val, CultureInfo.InvariantCulture); - } - else if (i == 15) - { - if (videoRequest != null) - { - videoRequest.Level = val; - } - } - else if (i == 16) - { - if (videoRequest != null) - { - videoRequest.MaxRefFrames = int.Parse(val, CultureInfo.InvariantCulture); - } - } - else if (i == 17) - { - if (videoRequest != null) - { - videoRequest.MaxVideoBitDepth = int.Parse(val, CultureInfo.InvariantCulture); - } - } - else if (i == 18) - { - if (videoRequest != null) - { - videoRequest.Profile = val; - } - } - else if (i == 19) - { - // cabac no longer used - } - else if (i == 20) - { - request.PlaySessionId = val; - } - else if (i == 21) - { - // api_key - } - else if (i == 22) - { - request.LiveStreamId = val; - } - else if (i == 23) - { - // Duplicating ItemId because of MediaMonkey - } - else if (i == 24) - { - if (videoRequest != null) - { - videoRequest.CopyTimestamps = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - } - else if (i == 25) - { - if (!string.IsNullOrWhiteSpace(val) && videoRequest != null) - { - if (Enum.TryParse(val, out SubtitleDeliveryMethod method)) + switch (i) + { + case 0: + request.DeviceProfileId = val; + break; + case 1: + request.DeviceId = val; + break; + case 2: + request.MediaSourceId = val; + break; + case 3: + request.Static = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); + break; + case 4: + if (videoRequest != null) { - videoRequest.SubtitleMethod = method; + videoRequest.VideoCodec = val; } - } - } - else if (i == 26) - { - request.TranscodingMaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture); - } - else if (i == 27) - { - if (videoRequest != null) - { - videoRequest.EnableSubtitlesInManifest = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - } - else if (i == 28) - { - request.Tag = val; - } - else if (i == 29) - { - if (videoRequest != null) - { - videoRequest.RequireAvc = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - } - else if (i == 30) - { - request.SubtitleCodec = val; - } - else if (i == 31) - { - if (videoRequest != null) - { - videoRequest.RequireNonAnamorphic = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - } - else if (i == 32) - { - if (videoRequest != null) - { - videoRequest.DeInterlace = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); - } - } - else if (i == 33) - { - request.TranscodeReasons = val; + + break; + case 5: + request.AudioCodec = val; + break; + case 6: + if (videoRequest != null) + { + videoRequest.AudioStreamIndex = int.Parse(val, CultureInfo.InvariantCulture); + } + + break; + case 7: + if (videoRequest != null) + { + videoRequest.SubtitleStreamIndex = int.Parse(val, CultureInfo.InvariantCulture); + } + + break; + case 8: + if (videoRequest != null) + { + videoRequest.VideoBitRate = int.Parse(val, CultureInfo.InvariantCulture); + } + + break; + case 9: + request.AudioBitRate = int.Parse(val, CultureInfo.InvariantCulture); + break; + case 10: + request.MaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture); + break; + case 11: + if (videoRequest != null) + { + videoRequest.MaxFramerate = float.Parse(val, CultureInfo.InvariantCulture); + } + + break; + case 12: + if (videoRequest != null) + { + videoRequest.MaxWidth = int.Parse(val, CultureInfo.InvariantCulture); + } + + break; + case 13: + if (videoRequest != null) + { + videoRequest.MaxHeight = int.Parse(val, CultureInfo.InvariantCulture); + } + + break; + case 14: + request.StartTimeTicks = long.Parse(val, CultureInfo.InvariantCulture); + break; + case 15: + if (videoRequest != null) + { + videoRequest.Level = val; + } + + break; + case 16: + if (videoRequest != null) + { + videoRequest.MaxRefFrames = int.Parse(val, CultureInfo.InvariantCulture); + } + + break; + case 17: + if (videoRequest != null) + { + videoRequest.MaxVideoBitDepth = int.Parse(val, CultureInfo.InvariantCulture); + } + + break; + case 18: + if (videoRequest != null) + { + videoRequest.Profile = val; + } + + break; + case 19: + // cabac no longer used + break; + case 20: + request.PlaySessionId = val; + break; + case 21: + // api_key + break; + case 22: + request.LiveStreamId = val; + break; + case 23: + // Duplicating ItemId because of MediaMonkey + break; + case 24: + if (videoRequest != null) + { + videoRequest.CopyTimestamps = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); + } + + break; + case 25: + if (!string.IsNullOrWhiteSpace(val) && videoRequest != null) + { + if (Enum.TryParse(val, out SubtitleDeliveryMethod method)) + { + videoRequest.SubtitleMethod = method; + } + } + + break; + case 26: + request.TranscodingMaxAudioChannels = int.Parse(val, CultureInfo.InvariantCulture); + break; + case 27: + if (videoRequest != null) + { + videoRequest.EnableSubtitlesInManifest = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); + } + + break; + case 28: + request.Tag = val; + break; + case 29: + if (videoRequest != null) + { + videoRequest.RequireAvc = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); + } + + break; + case 30: + request.SubtitleCodec = val; + break; + case 31: + if (videoRequest != null) + { + videoRequest.RequireNonAnamorphic = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); + } + + break; + case 32: + if (videoRequest != null) + { + videoRequest.DeInterlace = string.Equals("true", val, StringComparison.OrdinalIgnoreCase); + } + + break; + case 33: + request.TranscodeReasons = val; + break; } } } @@ -630,14 +608,9 @@ namespace MediaBrowser.Api.Playback throw new ArgumentException("Invalid timeseek header"); } int index = value.IndexOf('-'); - if (index == -1) - { - value = value.Substring(Npt.Length); - } - else - { - value = value.Substring(Npt.Length, index - Npt.Length); - } + value = index == -1 + ? value.Substring(Npt.Length) + : value.Substring(Npt.Length, index - Npt.Length); if (value.IndexOf(':') == -1) { @@ -856,21 +829,11 @@ namespace MediaBrowser.Api.Playback { state.DeviceProfile = DlnaManager.GetProfile(state.Request.DeviceProfileId); } - else + else if (!string.IsNullOrWhiteSpace(state.Request.DeviceId)) { - if (!string.IsNullOrWhiteSpace(state.Request.DeviceId)) - { - var caps = DeviceManager.GetCapabilities(state.Request.DeviceId); + var caps = DeviceManager.GetCapabilities(state.Request.DeviceId); - if (caps != null) - { - state.DeviceProfile = caps.DeviceProfile; - } - else - { - state.DeviceProfile = DlnaManager.GetProfile(headers); - } - } + state.DeviceProfile = caps == null ? DlnaManager.GetProfile(headers) : caps.DeviceProfile; } var profile = state.DeviceProfile; diff --git a/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs b/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs index 0cbfe4bdf..627421aac 100644 --- a/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs +++ b/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs @@ -25,7 +25,7 @@ namespace MediaBrowser.Api.Playback.Hls public abstract class BaseHlsService : BaseStreamingService { public BaseHlsService( - ILogger logger, + ILogger<BaseHlsService> logger, IServerConfigurationManager serverConfigurationManager, IHttpResultFactory httpResultFactory, IUserManager userManager, @@ -140,7 +140,7 @@ namespace MediaBrowser.Api.Playback.Hls if (isLive) { - job = job ?? ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlist, TranscodingJobType); + job ??= ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlist, TranscodingJobType); if (job != null) { @@ -156,7 +156,7 @@ namespace MediaBrowser.Api.Playback.Hls var playlistText = GetMasterPlaylistFileText(playlist, videoBitrate + audioBitrate, baselineStreamBitrate); - job = job ?? ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlist, TranscodingJobType); + job ??= ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlist, TranscodingJobType); if (job != null) { @@ -168,22 +168,19 @@ namespace MediaBrowser.Api.Playback.Hls private string GetLivePlaylistText(string path, int segmentLength) { - using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite)) - { - using (var reader = new StreamReader(stream)) - { - var text = reader.ReadToEnd(); + using var stream = new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite); + using var reader = new StreamReader(stream); - text = text.Replace("#EXTM3U", "#EXTM3U\n#EXT-X-PLAYLIST-TYPE:EVENT"); + var text = reader.ReadToEnd(); - var newDuration = "#EXT-X-TARGETDURATION:" + segmentLength.ToString(CultureInfo.InvariantCulture); + text = text.Replace("#EXTM3U", "#EXTM3U\n#EXT-X-PLAYLIST-TYPE:EVENT"); - text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength - 1).ToString(CultureInfo.InvariantCulture), newDuration, StringComparison.OrdinalIgnoreCase); - //text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength + 1).ToString(CultureInfo.InvariantCulture), newDuration, StringComparison.OrdinalIgnoreCase); + var newDuration = "#EXT-X-TARGETDURATION:" + segmentLength.ToString(CultureInfo.InvariantCulture); - return text; - } - } + text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength - 1).ToString(CultureInfo.InvariantCulture), newDuration, StringComparison.OrdinalIgnoreCase); + //text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength + 1).ToString(CultureInfo.InvariantCulture), newDuration, StringComparison.OrdinalIgnoreCase); + + return text; } private string GetMasterPlaylistFileText(string firstPlaylist, int bitrate, int baselineStreamBitrate) @@ -212,29 +209,29 @@ namespace MediaBrowser.Api.Playback.Hls try { // Need to use FileShare.ReadWrite because we're reading the file at the same time it's being written - using (var fileStream = GetPlaylistFileStream(playlist)) + var fileStream = GetPlaylistFileStream(playlist); + await using (fileStream.ConfigureAwait(false)) { - using (var reader = new StreamReader(fileStream)) + using var reader = new StreamReader(fileStream); + var count = 0; + + while (!reader.EndOfStream) { - var count = 0; + var line = await reader.ReadLineAsync().ConfigureAwait(false); - while (!reader.EndOfStream) + if (line.IndexOf("#EXTINF:", StringComparison.OrdinalIgnoreCase) != -1) { - var line = reader.ReadLine(); - - if (line.IndexOf("#EXTINF:", StringComparison.OrdinalIgnoreCase) != -1) + count++; + if (count >= segmentCount) { - count++; - if (count >= segmentCount) - { - Logger.LogDebug("Finished waiting for {0} segments in {1}", segmentCount, playlist); - return; - } + Logger.LogDebug("Finished waiting for {0} segments in {1}", segmentCount, playlist); + return; } } - await Task.Delay(100, cancellationToken).ConfigureAwait(false); } } + + await Task.Delay(100, cancellationToken).ConfigureAwait(false); } catch (IOException) { @@ -247,17 +244,13 @@ namespace MediaBrowser.Api.Playback.Hls protected Stream GetPlaylistFileStream(string path) { - var tmpPath = path + ".tmp"; - tmpPath = path; - - try - { - return new FileStream(tmpPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, IODefaults.FileStreamBufferSize, FileOptions.SequentialScan); - } - catch (IOException) - { - return new FileStream(path, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, IODefaults.FileStreamBufferSize, FileOptions.SequentialScan); - } + return new FileStream( + path, + FileMode.Open, + FileAccess.Read, + FileShare.ReadWrite, + IODefaults.FileStreamBufferSize, + FileOptions.SequentialScan); } protected override string GetCommandLineArguments(string outputPath, EncodingOptions encodingOptions, StreamState state, bool isEncoding) diff --git a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs index f03e481df..061316cb8 100644 --- a/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs +++ b/MediaBrowser.Api/Playback/Hls/DynamicHlsService.cs @@ -94,7 +94,7 @@ namespace MediaBrowser.Api.Playback.Hls public class DynamicHlsService : BaseHlsService { public DynamicHlsService( - ILogger logger, + ILogger<DynamicHlsService> logger, IServerConfigurationManager serverConfigurationManager, IHttpResultFactory httpResultFactory, IUserManager userManager, @@ -284,7 +284,7 @@ namespace MediaBrowser.Api.Playback.Hls //} Logger.LogDebug("returning {0} [general case]", segmentPath); - job = job ?? ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlistPath, TranscodingJobType); + job ??= ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlistPath, TranscodingJobType); return await GetSegmentResult(state, playlistPath, segmentPath, segmentExtension, requestedIndex, job, cancellationToken).ConfigureAwait(false); } @@ -438,8 +438,7 @@ namespace MediaBrowser.Api.Playback.Hls { var segmentId = "0"; - var segmentRequest = request as GetHlsVideoSegment; - if (segmentRequest != null) + if (request is GetHlsVideoSegment segmentRequest) { segmentId = segmentRequest.SegmentId; } @@ -690,8 +689,7 @@ namespace MediaBrowser.Api.Playback.Hls return false; } - var request = state.Request as IMasterHlsRequest; - if (request != null && !request.EnableAdaptiveBitrateStreaming) + if (state.Request is IMasterHlsRequest request && !request.EnableAdaptiveBitrateStreaming) { return false; } @@ -722,22 +720,203 @@ namespace MediaBrowser.Api.Playback.Hls //return state.VideoRequest.VideoBitRate.HasValue; } + /// <summary> + /// Get the H.26X level of the output video stream. + /// </summary> + /// <param name="state">StreamState of the current stream.</param> + /// <returns>H.26X level of the output video stream.</returns> + private int? GetOutputVideoCodecLevel(StreamState state) + { + string levelString; + if (string.Equals(state.OutputVideoCodec, "copy", StringComparison.OrdinalIgnoreCase) + && state.VideoStream.Level.HasValue) + { + levelString = state.VideoStream?.Level.ToString(); + } + else + { + levelString = state.GetRequestedLevel(state.ActualOutputVideoCodec); + } + + if (int.TryParse(levelString, NumberStyles.Integer, CultureInfo.InvariantCulture, out var parsedLevel)) + { + return parsedLevel; + } + + return null; + } + + /// <summary> + /// Gets a formatted string of the output audio codec, for use in the CODECS field. + /// </summary> + /// <seealso cref="AppendPlaylistCodecsField(StringBuilder, StreamState)"/> + /// <seealso cref="GetPlaylistVideoCodecs(StreamState, string, int)"/> + /// <param name="state">StreamState of the current stream.</param> + /// <returns>Formatted audio codec string.</returns> + private string GetPlaylistAudioCodecs(StreamState state) + { + + if (string.Equals(state.ActualOutputAudioCodec, "aac", StringComparison.OrdinalIgnoreCase)) + { + string profile = state.GetRequestedProfiles("aac").FirstOrDefault(); + + return HlsCodecStringFactory.GetAACString(profile); + } + else if (string.Equals(state.ActualOutputAudioCodec, "mp3", StringComparison.OrdinalIgnoreCase)) + { + return HlsCodecStringFactory.GetMP3String(); + } + else if (string.Equals(state.ActualOutputAudioCodec, "ac3", StringComparison.OrdinalIgnoreCase)) + { + return HlsCodecStringFactory.GetAC3String(); + } + else if (string.Equals(state.ActualOutputAudioCodec, "eac3", StringComparison.OrdinalIgnoreCase)) + { + return HlsCodecStringFactory.GetEAC3String(); + } + + return string.Empty; + } + + /// <summary> + /// Gets a formatted string of the output video codec, for use in the CODECS field. + /// </summary> + /// <seealso cref="AppendPlaylistCodecsField(StringBuilder, StreamState)"/> + /// <seealso cref="GetPlaylistAudioCodecs(StreamState)"/> + /// <param name="state">StreamState of the current stream.</param> + /// <returns>Formatted video codec string.</returns> + private string GetPlaylistVideoCodecs(StreamState state, string codec, int level) + { + if (level == 0) + { + // This is 0 when there's no requested H.26X level in the device profile + // and the source is not encoded in H.26X + Logger.LogError("Got invalid H.26X level when building CODECS field for HLS master playlist"); + return string.Empty; + } + + if (string.Equals(codec, "h264", StringComparison.OrdinalIgnoreCase)) + { + string profile = state.GetRequestedProfiles("h264").FirstOrDefault(); + + return HlsCodecStringFactory.GetH264String(profile, level); + } + else if (string.Equals(codec, "h265", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "hevc", StringComparison.OrdinalIgnoreCase)) + { + string profile = state.GetRequestedProfiles("h265").FirstOrDefault(); + + return HlsCodecStringFactory.GetH265String(profile, level); + } + + return string.Empty; + } + + /// <summary> + /// Appends a CODECS field containing formatted strings of + /// the active streams output video and audio codecs. + /// </summary> + /// <seealso cref="AppendPlaylist(StringBuilder, StreamState, string, int, string)"/> + /// <seealso cref="GetPlaylistVideoCodecs(StreamState, string, int)"/> + /// <seealso cref="GetPlaylistAudioCodecs(StreamState)"/> + /// <param name="builder">StringBuilder to append the field to.</param> + /// <param name="state">StreamState of the current stream.</param> + private void AppendPlaylistCodecsField(StringBuilder builder, StreamState state) + { + // Video + string videoCodecs = string.Empty; + int? videoCodecLevel = GetOutputVideoCodecLevel(state); + if (!string.IsNullOrEmpty(state.ActualOutputVideoCodec) && videoCodecLevel.HasValue) + { + videoCodecs = GetPlaylistVideoCodecs(state, state.ActualOutputVideoCodec, videoCodecLevel.Value); + } + + // Audio + string audioCodecs = string.Empty; + if (!string.IsNullOrEmpty(state.ActualOutputAudioCodec)) + { + audioCodecs = GetPlaylistAudioCodecs(state); + } + + StringBuilder codecs = new StringBuilder(); + + codecs.Append(videoCodecs) + .Append(',') + .Append(audioCodecs); + + if (codecs.Length > 1) + { + builder.Append(",CODECS=\"") + .Append(codecs) + .Append('"'); + } + } + + /// <summary> + /// Appends a FRAME-RATE field containing the framerate of the output stream. + /// </summary> + /// <seealso cref="AppendPlaylist(StringBuilder, StreamState, string, int, string)"/> + /// <param name="builder">StringBuilder to append the field to.</param> + /// <param name="state">StreamState of the current stream.</param> + private void AppendPlaylistFramerateField(StringBuilder builder, StreamState state) + { + double? framerate = null; + if (state.TargetFramerate.HasValue) + { + framerate = Math.Round(state.TargetFramerate.GetValueOrDefault(), 3); + } + else if (state.VideoStream.RealFrameRate.HasValue) + { + framerate = Math.Round(state.VideoStream.RealFrameRate.GetValueOrDefault(), 3); + } + + if (framerate.HasValue) + { + builder.Append(",FRAME-RATE=\"") + .Append(framerate.Value) + .Append('"'); + } + } + + /// <summary> + /// Appends a RESOLUTION field containing the resolution of the output stream. + /// </summary> + /// <seealso cref="AppendPlaylist(StringBuilder, StreamState, string, int, string)"/> + /// <param name="builder">StringBuilder to append the field to.</param> + /// <param name="state">StreamState of the current stream.</param> + private void AppendPlaylistResolutionField(StringBuilder builder, StreamState state) + { + if (state.OutputWidth.HasValue && state.OutputHeight.HasValue) + { + builder.Append(",RESOLUTION=\"") + .Append(state.OutputWidth.GetValueOrDefault()) + .Append('x') + .Append(state.OutputHeight.GetValueOrDefault()) + .Append('"'); + } + } + private void AppendPlaylist(StringBuilder builder, StreamState state, string url, int bitrate, string subtitleGroup) { - var header = "#EXT-X-STREAM-INF:BANDWIDTH=" + bitrate.ToString(CultureInfo.InvariantCulture) + ",AVERAGE-BANDWIDTH=" + bitrate.ToString(CultureInfo.InvariantCulture); + builder.Append("#EXT-X-STREAM-INF:BANDWIDTH=") + .Append(bitrate.ToString(CultureInfo.InvariantCulture)) + .Append(",AVERAGE-BANDWIDTH=") + .Append(bitrate.ToString(CultureInfo.InvariantCulture)); - // tvos wants resolution, codecs, framerate - //if (state.TargetFramerate.HasValue) - //{ - // header += string.Format(",FRAME-RATE=\"{0}\"", state.TargetFramerate.Value.ToString(CultureInfo.InvariantCulture)); - //} + AppendPlaylistCodecsField(builder, state); + + AppendPlaylistResolutionField(builder, state); + + AppendPlaylistFramerateField(builder, state); if (!string.IsNullOrWhiteSpace(subtitleGroup)) { - header += string.Format(",SUBTITLES=\"{0}\"", subtitleGroup); + builder.Append(",SUBTITLES=\"") + .Append(subtitleGroup) + .Append('"'); } - builder.AppendLine(header); + builder.Append(Environment.NewLine); builder.AppendLine(url); } @@ -927,61 +1106,69 @@ namespace MediaBrowser.Api.Playback.Hls } else { + var gopArg = string.Empty; var keyFrameArg = string.Format( CultureInfo.InvariantCulture, " -force_key_frames:0 \"expr:gte(t,{0}+n_forced*{1})\"", GetStartNumber(state) * state.SegmentLength, state.SegmentLength); - if (state.TargetFramerate.HasValue) + + var framerate = state.VideoStream?.RealFrameRate; + + if (framerate.HasValue) { // This is to make sure keyframe interval is limited to our segment, // as forcing keyframes is not enough. // Example: we encoded half of desired length, then codec detected // scene cut and inserted a keyframe; next forced keyframe would - // be created outside of segment, which breaks seeking. - keyFrameArg += string.Format( + // be created outside of segment, which breaks seeking + // -sc_threshold 0 is used to prevent the hardware encoder from post processing to break the set keyframe + gopArg = string.Format( CultureInfo.InvariantCulture, - " -g {0} -keyint_min {0}", - (int)(state.SegmentLength * state.TargetFramerate) + " -g {0} -keyint_min {0} -sc_threshold 0", + Math.Ceiling(state.SegmentLength * framerate.Value) ); } - var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode; - args += " " + EncodingHelper.GetVideoQualityParam(state, codec, encodingOptions, GetDefaultEncoderPreset()); - // Unable to force key frames to h264_qsv transcode - if (string.Equals(codec, "h264_qsv", StringComparison.OrdinalIgnoreCase)) + // Unable to force key frames using these hw encoders, set key frames by GOP + if (string.Equals(codec, "h264_qsv", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "h264_nvenc", StringComparison.OrdinalIgnoreCase) + || string.Equals(codec, "h264_amf", StringComparison.OrdinalIgnoreCase)) { - Logger.LogInformation("Bug Workaround: Disabling force_key_frames for h264_qsv"); + args += " " + gopArg; } else { - args += " " + keyFrameArg; + args += " " + keyFrameArg + gopArg; } //args += " -mixed-refs 0 -refs 3 -x264opts b_pyramid=0:weightb=0:weightp=0"; + var hasGraphicalSubs = state.SubtitleStream != null && !state.SubtitleStream.IsTextSubtitleStream && state.SubtitleDeliveryMethod == SubtitleDeliveryMethod.Encode; + + // This is for graphical subs + if (hasGraphicalSubs) + { + args += EncodingHelper.GetGraphicalSubtitleParam(state, encodingOptions, codec); + } // Add resolution params, if specified - if (!hasGraphicalSubs) + else { - args += EncodingHelper.GetOutputSizeParam(state, encodingOptions, codec, true); + args += EncodingHelper.GetOutputSizeParam(state, encodingOptions, codec); } - // This is for internal graphical subs - if (hasGraphicalSubs) + // -start_at_zero is necessary to use with -ss when seeking, + // otherwise the target position cannot be determined. + if (!(state.SubtitleStream != null && state.SubtitleStream.IsExternal && !state.SubtitleStream.IsTextSubtitleStream)) { - args += EncodingHelper.GetGraphicalSubtitleParam(state, encodingOptions, codec); + args += " -start_at_zero"; } //args += " -flags -global_header"; } - if (args.IndexOf("-copyts", StringComparison.OrdinalIgnoreCase) == -1) - { - args += " -copyts"; - } - if (!string.IsNullOrEmpty(state.OutputVideoSync)) { args += " -vsync " + state.OutputVideoSync; @@ -1025,7 +1212,7 @@ namespace MediaBrowser.Api.Playback.Hls } return string.Format( - "{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -f hls -max_delay 5000000 -avoid_negative_ts disabled -start_at_zero -hls_time {6} -individual_header_trailer 0 -hls_segment_type {7} -start_number {8} -hls_segment_filename \"{9}\" -hls_playlist_type vod -hls_list_size 0 -y \"{10}\"", + "{0} {1} -map_metadata -1 -map_chapters -1 -threads {2} {3} {4} {5} -copyts -avoid_negative_ts disabled -f hls -max_delay 5000000 -hls_time {6} -individual_header_trailer 0 -hls_segment_type {7} -start_number {8} -hls_segment_filename \"{9}\" -hls_playlist_type vod -hls_list_size 0 -y \"{10}\"", inputModifier, EncodingHelper.GetInputArgument(state, encodingOptions), threads, diff --git a/MediaBrowser.Api/Playback/Hls/HlsCodecStringFactory.cs b/MediaBrowser.Api/Playback/Hls/HlsCodecStringFactory.cs new file mode 100644 index 000000000..3bbb77a65 --- /dev/null +++ b/MediaBrowser.Api/Playback/Hls/HlsCodecStringFactory.cs @@ -0,0 +1,126 @@ +using System; +using System.Text; + + +namespace MediaBrowser.Api.Playback +{ + /// <summary> + /// Get various codec strings for use in HLS playlists. + /// </summary> + static class HlsCodecStringFactory + { + + /// <summary> + /// Gets a MP3 codec string. + /// </summary> + /// <returns>MP3 codec string.</returns> + public static string GetMP3String() + { + return "mp4a.40.34"; + } + + /// <summary> + /// Gets an AAC codec string. + /// </summary> + /// <param name="profile">AAC profile.</param> + /// <returns>AAC codec string.</returns> + public static string GetAACString(string profile) + { + StringBuilder result = new StringBuilder("mp4a", 9); + + if (string.Equals(profile, "HE", StringComparison.OrdinalIgnoreCase)) + { + result.Append(".40.5"); + } + else + { + // Default to LC if profile is invalid + result.Append(".40.2"); + } + + return result.ToString(); + } + + /// <summary> + /// Gets a H.264 codec string. + /// </summary> + /// <param name="profile">H.264 profile.</param> + /// <param name="level">H.264 level.</param> + /// <returns>H.264 string.</returns> + public static string GetH264String(string profile, int level) + { + StringBuilder result = new StringBuilder("avc1", 11); + + if (string.Equals(profile, "high", StringComparison.OrdinalIgnoreCase)) + { + result.Append(".6400"); + } + else if (string.Equals(profile, "main", StringComparison.OrdinalIgnoreCase)) + { + result.Append(".4D40"); + } + else if (string.Equals(profile, "baseline", StringComparison.OrdinalIgnoreCase)) + { + result.Append(".42E0"); + } + else + { + // Default to constrained baseline if profile is invalid + result.Append(".4240"); + } + + string levelHex = level.ToString("X2"); + result.Append(levelHex); + + return result.ToString(); + } + + /// <summary> + /// Gets a H.265 codec string. + /// </summary> + /// <param name="profile">H.265 profile.</param> + /// <param name="level">H.265 level.</param> + /// <returns>H.265 string.</returns> + public static string GetH265String(string profile, int level) + { + // The h265 syntax is a bit of a mystery at the time this comment was written. + // This is what I've found through various sources: + // FORMAT: [codecTag].[profile].[constraint?].L[level * 30].[UNKNOWN] + StringBuilder result = new StringBuilder("hev1", 16); + + if (string.Equals(profile, "main10", StringComparison.OrdinalIgnoreCase)) + { + result.Append(".2.6"); + } + else + { + // Default to main if profile is invalid + result.Append(".1.6"); + } + + result.Append(".L") + .Append(level * 3) + .Append(".B0"); + + return result.ToString(); + } + + /// <summary> + /// Gets an AC-3 codec string. + /// </summary> + /// <returns>AC-3 codec string.</returns> + public static string GetAC3String() + { + return "mp4a.a5"; + } + + /// <summary> + /// Gets an E-AC-3 codec string. + /// </summary> + /// <returns>E-AC-3 codec string.</returns> + public static string GetEAC3String() + { + return "mp4a.a6"; + } + } +} diff --git a/MediaBrowser.Api/Playback/MediaInfoService.cs b/MediaBrowser.Api/Playback/MediaInfoService.cs index 2aa5e2df1..e2d771ec6 100644 --- a/MediaBrowser.Api/Playback/MediaInfoService.cs +++ b/MediaBrowser.Api/Playback/MediaInfoService.cs @@ -5,8 +5,8 @@ using System; using System.Buffers; using System.Globalization; -using System.Text.Json; using System.Linq; +using System.Text.Json; using System.Threading; using System.Threading.Tasks; using MediaBrowser.Common.Net; @@ -79,7 +79,7 @@ namespace MediaBrowser.Api.Playback private readonly IAuthorizationContext _authContext; public MediaInfoService( - ILogger logger, + ILogger<MediaInfoService> logger, IServerConfigurationManager serverConfigurationManager, IHttpResultFactory httpResultFactory, IMediaSourceManager mediaSourceManager, @@ -234,7 +234,7 @@ namespace MediaBrowser.Api.Playback OpenToken = mediaSource.OpenToken }).ConfigureAwait(false); - info.MediaSources = new MediaSourceInfo[] { openStreamResult.MediaSource }; + info.MediaSources = new[] { openStreamResult.MediaSource }; } } @@ -289,7 +289,7 @@ namespace MediaBrowser.Api.Playback { var mediaSource = await _mediaSourceManager.GetLiveStream(liveStreamId, CancellationToken.None).ConfigureAwait(false); - mediaSources = new MediaSourceInfo[] { mediaSource }; + mediaSources = new[] { mediaSource }; } if (mediaSources.Length == 0) @@ -366,7 +366,7 @@ namespace MediaBrowser.Api.Playback var options = new VideoOptions { - MediaSources = new MediaSourceInfo[] { mediaSource }, + MediaSources = new[] { mediaSource }, Context = EncodingContext.Streaming, DeviceId = auth.DeviceId, ItemId = item.Id, @@ -470,7 +470,7 @@ namespace MediaBrowser.Api.Playback else { options.MaxBitrate = GetMaxBitrate(maxBitrate, user); - + if (item is Audio) { if (!user.Policy.EnableAudioPlaybackTranscoding) @@ -486,10 +486,10 @@ namespace MediaBrowser.Api.Playback } } - // 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); + // 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) { @@ -516,20 +516,17 @@ namespace MediaBrowser.Api.Playback { if (streamInfo != null) { - streamInfo.PlaySessionId = playSessionId; + streamInfo.PlaySessionId = playSessionId; streamInfo.StartPositionTicks = startTimeTicks; mediaSource.TranscodingUrl = streamInfo.ToUrl("-", auth.Token).TrimStart('-'); mediaSource.TranscodingUrl += "&allowVideoStreamCopy=false"; - if (!allowAudioStreamCopy) - { - mediaSource.TranscodingUrl += "&allowAudioStreamCopy=false"; - } + mediaSource.TranscodingUrl += "&allowAudioStreamCopy=false"; mediaSource.TranscodingContainer = streamInfo.Container; mediaSource.TranscodingSubProtocol = streamInfo.SubProtocol; - + // Do this after the above so that StartPositionTicks is set SetDeviceSpecificSubtitleInfo(streamInfo, mediaSource, auth.Token); - } + } } else { @@ -572,8 +569,7 @@ namespace MediaBrowser.Api.Playback { attachment.DeliveryUrl = string.Format( CultureInfo.InvariantCulture, - "{0}/Videos/{1}/{2}/Attachments/{3}", - ServerConfigurationManager.Configuration.BaseUrl, + "/Videos/{0}/{1}/Attachments/{2}", item.Id, mediaSource.Id, attachment.Index); @@ -583,7 +579,7 @@ namespace MediaBrowser.Api.Playback private long? GetMaxBitrate(long? clientMaxBitrate, User user) { var maxBitrate = clientMaxBitrate; - var remoteClientMaxBitrate = user == null ? 0 : user.Policy.RemoteClientBitrateLimit; + var remoteClientMaxBitrate = user?.Policy.RemoteClientBitrateLimit ?? 0; if (remoteClientMaxBitrate <= 0) { @@ -662,17 +658,9 @@ namespace MediaBrowser.Api.Playback }; }).ThenBy(i => { - if (maxBitrate.HasValue) + if (maxBitrate.HasValue && i.Bitrate.HasValue) { - if (i.Bitrate.HasValue) - { - if (i.Bitrate.Value <= maxBitrate.Value) - { - return 0; - } - - return 2; - } + return i.Bitrate.Value <= maxBitrate.Value ? 0 : 2; } return 1; diff --git a/MediaBrowser.Api/Playback/Progressive/AudioService.cs b/MediaBrowser.Api/Playback/Progressive/AudioService.cs index 8d1e3a3f2..34c7986ca 100644 --- a/MediaBrowser.Api/Playback/Progressive/AudioService.cs +++ b/MediaBrowser.Api/Playback/Progressive/AudioService.cs @@ -33,7 +33,7 @@ namespace MediaBrowser.Api.Playback.Progressive public class AudioService : BaseProgressiveStreamingService { public AudioService( - ILogger logger, + ILogger<AudioService> logger, IServerConfigurationManager serverConfigurationManager, IHttpResultFactory httpResultFactory, IHttpClient httpClient, diff --git a/MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs b/MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs index ed68219c9..c7bf055fb 100644 --- a/MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs +++ b/MediaBrowser.Api/Playback/Progressive/BaseProgressiveStreamingService.cs @@ -28,7 +28,7 @@ namespace MediaBrowser.Api.Playback.Progressive protected IHttpClient HttpClient { get; private set; } public BaseProgressiveStreamingService( - ILogger logger, + ILogger<BaseProgressiveStreamingService> logger, IServerConfigurationManager serverConfigurationManager, IHttpResultFactory httpResultFactory, IHttpClient httpClient, diff --git a/MediaBrowser.Api/Playback/UniversalAudioService.cs b/MediaBrowser.Api/Playback/UniversalAudioService.cs index cbf981dfe..a3b319d44 100644 --- a/MediaBrowser.Api/Playback/UniversalAudioService.cs +++ b/MediaBrowser.Api/Playback/UniversalAudioService.cs @@ -75,9 +75,11 @@ namespace MediaBrowser.Api.Playback public class UniversalAudioService : BaseApiService { private readonly EncodingHelper _encodingHelper; + private readonly ILoggerFactory _loggerFactory; public UniversalAudioService( ILogger<UniversalAudioService> logger, + ILoggerFactory loggerFactory, IServerConfigurationManager serverConfigurationManager, IHttpResultFactory httpResultFactory, IHttpClient httpClient, @@ -108,6 +110,7 @@ namespace MediaBrowser.Api.Playback AuthorizationContext = authorizationContext; NetworkManager = networkManager; _encodingHelper = encodingHelper; + _loggerFactory = loggerFactory; } protected IHttpClient HttpClient { get; private set; } @@ -167,7 +170,7 @@ namespace MediaBrowser.Api.Playback AudioCodec = request.AudioCodec, Protocol = request.TranscodingProtocol, BreakOnNonKeyFrames = request.BreakOnNonKeyFrames, - MaxAudioChannels = request.TranscodingAudioChannels.HasValue ? request.TranscodingAudioChannels.Value.ToString(CultureInfo.InvariantCulture) : null + MaxAudioChannels = request.TranscodingAudioChannels?.ToString(CultureInfo.InvariantCulture) } }; @@ -233,7 +236,7 @@ namespace MediaBrowser.Api.Playback AuthorizationContext.GetAuthorizationInfo(Request).DeviceId = request.DeviceId; var mediaInfoService = new MediaInfoService( - Logger, + _loggerFactory.CreateLogger<MediaInfoService>(), ServerConfigurationManager, ResultFactory, MediaSourceManager, @@ -277,7 +280,7 @@ namespace MediaBrowser.Api.Playback if (!isStatic && string.Equals(mediaSource.TranscodingSubProtocol, "hls", StringComparison.OrdinalIgnoreCase)) { var service = new DynamicHlsService( - Logger, + _loggerFactory.CreateLogger<DynamicHlsService>(), ServerConfigurationManager, ResultFactory, UserManager, @@ -300,7 +303,7 @@ namespace MediaBrowser.Api.Playback // hls segment container can only be mpegts or fmp4 per ffmpeg documentation // TODO: remove this when we switch back to the segment muxer - var supportedHLSContainers = new string[] { "mpegts", "fmp4" }; + var supportedHLSContainers = new[] { "mpegts", "fmp4" }; var newRequest = new GetMasterHlsAudioPlaylist { @@ -331,7 +334,7 @@ namespace MediaBrowser.Api.Playback else { var service = new AudioService( - Logger, + _loggerFactory.CreateLogger<AudioService>(), ServerConfigurationManager, ResultFactory, HttpClient, |
