diff options
Diffstat (limited to 'MediaBrowser.Api/Playback/Hls/BaseHlsService.cs')
| -rw-r--r-- | MediaBrowser.Api/Playback/Hls/BaseHlsService.cs | 60 |
1 files changed, 31 insertions, 29 deletions
diff --git a/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs b/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs index a0ac96b9d..319e4bbb6 100644 --- a/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs +++ b/MediaBrowser.Api/Playback/Hls/BaseHlsService.cs @@ -87,7 +87,8 @@ namespace MediaBrowser.Api.Playback.Hls if (!FileSystem.FileExists(playlist)) { - await ApiEntryPoint.Instance.TranscodingStartLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false); + var transcodingLock = ApiEntryPoint.Instance.GetTranscodingLock(playlist); + await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false); try { if (!FileSystem.FileExists(playlist)) @@ -104,13 +105,13 @@ namespace MediaBrowser.Api.Playback.Hls throw; } - var waitForSegments = state.SegmentLength >= 10 ? 2 : 3; + var waitForSegments = state.SegmentLength >= 10 ? 2 : (state.SegmentLength > 3 || !isLive ? 3 : 3); await WaitForMinimumSegmentCount(playlist, waitForSegments, cancellationTokenSource.Token).ConfigureAwait(false); } } finally { - ApiEntryPoint.Instance.TranscodingStartLock.Release(); + transcodingLock.Release(); } } @@ -128,10 +129,9 @@ namespace MediaBrowser.Api.Playback.Hls var audioBitrate = state.OutputAudioBitrate ?? 0; var videoBitrate = state.OutputVideoBitrate ?? 0; - var appendBaselineStream = false; var baselineStreamBitrate = 64000; - var playlistText = GetMasterPlaylistFileText(playlist, videoBitrate + audioBitrate, appendBaselineStream, baselineStreamBitrate); + var playlistText = GetMasterPlaylistFileText(playlist, videoBitrate + audioBitrate, baselineStreamBitrate); job = job ?? ApiEntryPoint.Instance.OnTranscodeBeginRequest(playlist, TranscodingJobType); @@ -151,9 +151,10 @@ namespace MediaBrowser.Api.Playback.Hls { var text = reader.ReadToEnd(); + text = text.Replace("#EXTM3U", "#EXTM3U\n#EXT-X-PLAYLIST-TYPE:EVENT"); + var newDuration = "#EXT-X-TARGETDURATION:" + segmentLength.ToString(UsCulture); - // ffmpeg pads the reported length by a full second text = text.Replace("#EXT-X-TARGETDURATION:" + (segmentLength + 1).ToString(UsCulture), newDuration, StringComparison.OrdinalIgnoreCase); return text; @@ -161,7 +162,7 @@ namespace MediaBrowser.Api.Playback.Hls } } - private string GetMasterPlaylistFileText(string firstPlaylist, int bitrate, bool includeBaselineStream, int baselineStreamBitrate) + private string GetMasterPlaylistFileText(string firstPlaylist, int bitrate, int baselineStreamBitrate) { var builder = new StringBuilder(); @@ -175,14 +176,6 @@ namespace MediaBrowser.Api.Playback.Hls var playlistUrl = "hls/" + Path.GetFileName(firstPlaylist).Replace(".m3u8", "/stream.m3u8"); builder.AppendLine(playlistUrl); - // Low bitrate stream - if (includeBaselineStream) - { - builder.AppendLine("#EXT-X-STREAM-INF:PROGRAM-ID=1,BANDWIDTH=" + baselineStreamBitrate.ToString(UsCulture)); - playlistUrl = "hls/" + Path.GetFileName(firstPlaylist).Replace(".m3u8", "-low/stream.m3u8"); - builder.AppendLine(playlistUrl); - } - return builder.ToString(); } @@ -190,32 +183,41 @@ namespace MediaBrowser.Api.Playback.Hls { Logger.Debug("Waiting for {0} segments in {1}", segmentCount, playlist); - while (true) + while (!cancellationToken.IsCancellationRequested) { - // Need to use FileShare.ReadWrite because we're reading the file at the same time it's being written - using (var fileStream = GetPlaylistFileStream(playlist)) + try { - using (var reader = new StreamReader(fileStream)) + // 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 count = 0; - - while (!reader.EndOfStream) + using (var reader = new StreamReader(fileStream)) { - var line = await reader.ReadLineAsync().ConfigureAwait(false); + var count = 0; - if (line.IndexOf("#EXTINF:", StringComparison.OrdinalIgnoreCase) != -1) + while (!reader.EndOfStream) { - count++; - if (count >= segmentCount) + var line = await reader.ReadLineAsync().ConfigureAwait(false); + + if (line.IndexOf("#EXTINF:", StringComparison.OrdinalIgnoreCase) != -1) { - Logger.Debug("Finished waiting for {0} segments in {1}", segmentCount, playlist); - return; + count++; + if (count >= segmentCount) + { + Logger.Debug("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) + { + // May get an error if the file is locked + } + + await Task.Delay(50, cancellationToken).ConfigureAwait(false); } } |