/// <summary>
/// Initializes a new instance of the <see cref="ProgressiveFileCopier"/> class.
/// </summary>
/// <param name="directStreamProvider">Instance of the <see cref="IDirectStreamProvider"/> interface.</param>
/// <param name="job">The transcoding job.</param>
/// <param name="transcodingJobHelper">Instance of the <see cref="TranscodingJobHelper"/>.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public ProgressiveFileCopier(IDirectStreamProvider directStreamProvider, TranscodingJobDto?job, TranscodingJobHelper transcodingJobHelper, CancellationToken cancellationToken)
{
_directStreamProvider = directStreamProvider;
_job = job;
_cancellationToken = cancellationToken;
_transcodingJobHelper = transcodingJobHelper;
}
/// <summary>
/// Initializes a new instance of the <see cref="ProgressiveFileCopier"/> class.
/// </summary>
/// <param name="path">The path to copy from.</param>
/// <param name="job">The transcoding job.</param>
/// <param name="transcodingJobHelper">Instance of the <see cref="TranscodingJobHelper"/>.</param>
/// <param name="cancellationToken">The cancellation token.</param>
public ProgressiveFileCopier(string path, TranscodingJobDto?job, TranscodingJobHelper transcodingJobHelper, CancellationToken cancellationToken)
{
_path = path;
_job = job;
_cancellationToken = cancellationToken;
_transcodingJobHelper = transcodingJobHelper;
}
/// <summary>
/// Initializes a new instance of the <see cref="ProgressiveFileStream"/> class.
/// </summary>
/// <param name="stream">The stream to progressively copy.</param>
/// <param name="timeoutMs">The timeout duration in milliseconds.</param>
public ProgressiveFileStream(Stream stream, int timeoutMs = 30000)
{
_job = null;
_transcodingJobHelper = null;
_timeoutMs = timeoutMs;
_stream = stream;
}
/// <summary>
/// Initializes a new instance of the <see cref="ProgressiveFileStream"/> class.
/// </summary>
/// <param name="stream">The stream to progressively copy.</param>
/// <param name="timeoutMs">The timeout duration in milliseconds.</param>
public ProgressiveFileStream(Stream stream, int timeoutMs = 30000)
{
_job = null;
_transcodingJobHelper = null;
_timeoutMs = timeoutMs;
_allowAsyncFileRead = AsyncFile.UseAsyncIO;
_stream = stream;
}
/// <summary>
/// Initializes a new instance of the <see cref="ProgressiveFileStream"/> class.
/// </summary>
/// <param name="filePath">The path to the transcoded file.</param>
/// <param name="job">The transcoding job information.</param>
/// <param name="transcodingJobHelper">The transcoding job helper.</param>
/// <param name="timeoutMs">The timeout duration in milliseconds.</param>
public ProgressiveFileStream(string filePath, TranscodingJobDto?job, TranscodingJobHelper transcodingJobHelper, int timeoutMs = 30000)
{
_job = job;
_transcodingJobHelper = transcodingJobHelper;
_timeoutMs = timeoutMs;
_stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, IODefaults.FileStreamBufferSize, FileOptions.Asynchronous | FileOptions.SequentialScan);
}
/// <summary>
/// Initializes a new instance of the <see cref="ProgressiveFileStream"/> class.
/// </summary>
/// <param name="filePath">The path to the transcoded file.</param>
/// <param name="job">The transcoding job information.</param>
/// <param name="transcodingJobHelper">The transcoding job helper.</param>
/// <param name="timeoutMs">The timeout duration in milliseconds.</param>
public ProgressiveFileStream(string filePath, TranscodingJobDto?job, TranscodingJobHelper transcodingJobHelper, int timeoutMs = 30000)
{
_job = job;
_transcodingJobHelper = transcodingJobHelper;
_timeoutMs = timeoutMs;
var fileOptions = FileOptions.SequentialScan;
_allowAsyncFileRead = false;
// use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
if (AsyncFile.UseAsyncIO)
{
fileOptions |= FileOptions.Asynchronous;
_allowAsyncFileRead = true;
}
_stream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, IODefaults.FileStreamBufferSize, fileOptions);
}
/// <summary>
/// Initializes a new instance of the <see cref="ProgressiveFileStream"/> class.
/// </summary>
/// <param name="filePath">The path to the transcoded file.</param>
/// <param name="job">The transcoding job information.</param>
/// <param name="transcodingJobHelper">The transcoding job helper.</param>
public ProgressiveFileStream(string filePath, TranscodingJobDto?job, TranscodingJobHelper transcodingJobHelper)
{
_job = job;
_transcodingJobHelper = transcodingJobHelper;
_bytesWritten = 0;
var fileOptions = FileOptions.SequentialScan;
_allowAsyncFileRead = false;
// use non-async filestream along with read due to https://github.com/dotnet/corefx/issues/6039
if (!RuntimeInformation.IsOSPlatform(OSPlatform.Windows))
{
fileOptions |= FileOptions.Asynchronous;
_allowAsyncFileRead = true;
}
_fileStream = new FileStream(filePath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, IODefaults.FileStreamBufferSize, fileOptions);
}
public async Task <ActionResult> GetLiveHlsStream(
[FromRoute, Required] Guid itemId,
[FromQuery] string?container,
[FromQuery] bool? @static,
[FromQuery] string? @params,
[FromQuery] string?tag,
[FromQuery] string?deviceProfileId,
[FromQuery] string?playSessionId,
[FromQuery] string?segmentContainer,
[FromQuery] int?segmentLength,
[FromQuery] int?minSegments,
[FromQuery] string?mediaSourceId,
[FromQuery] string?deviceId,
[FromQuery] string?audioCodec,
[FromQuery] bool?enableAutoStreamCopy,
[FromQuery] bool?allowVideoStreamCopy,
[FromQuery] bool?allowAudioStreamCopy,
[FromQuery] bool?breakOnNonKeyFrames,
[FromQuery] int?audioSampleRate,
[FromQuery] int?maxAudioBitDepth,
[FromQuery] int?audioBitRate,
[FromQuery] int?audioChannels,
[FromQuery] int?maxAudioChannels,
[FromQuery] string?profile,
[FromQuery] string?level,
[FromQuery] float?framerate,
[FromQuery] float?maxFramerate,
[FromQuery] bool?copyTimestamps,
[FromQuery] long?startTimeTicks,
[FromQuery] int?width,
[FromQuery] int?height,
[FromQuery] int?videoBitRate,
[FromQuery] int?subtitleStreamIndex,
[FromQuery] SubtitleDeliveryMethod?subtitleMethod,
[FromQuery] int?maxRefFrames,
[FromQuery] int?maxVideoBitDepth,
[FromQuery] bool?requireAvc,
[FromQuery] bool?deInterlace,
[FromQuery] bool?requireNonAnamorphic,
[FromQuery] int?transcodingMaxAudioChannels,
[FromQuery] int?cpuCoreLimit,
[FromQuery] string?liveStreamId,
[FromQuery] bool?enableMpegtsM2TsMode,
[FromQuery] string?videoCodec,
[FromQuery] string?subtitleCodec,
[FromQuery] string?transcodeReasons,
[FromQuery] int?audioStreamIndex,
[FromQuery] int?videoStreamIndex,
[FromQuery] EncodingContext?context,
[FromQuery] Dictionary <string, string> streamOptions,
[FromQuery] int?maxWidth,
[FromQuery] int?maxHeight,
[FromQuery] bool?enableSubtitlesInManifest)
{
VideoRequestDto streamingRequest = new VideoRequestDto
{
Id = itemId,
Container = container,
Static = @static ?? false,
Params = @params,
Tag = tag,
DeviceProfileId = deviceProfileId,
PlaySessionId = playSessionId,
SegmentContainer = segmentContainer,
SegmentLength = segmentLength,
MinSegments = minSegments,
MediaSourceId = mediaSourceId,
DeviceId = deviceId,
AudioCodec = audioCodec,
EnableAutoStreamCopy = enableAutoStreamCopy ?? true,
AllowAudioStreamCopy = allowAudioStreamCopy ?? true,
AllowVideoStreamCopy = allowVideoStreamCopy ?? true,
BreakOnNonKeyFrames = breakOnNonKeyFrames ?? false,
AudioSampleRate = audioSampleRate,
MaxAudioChannels = maxAudioChannels,
AudioBitRate = audioBitRate,
MaxAudioBitDepth = maxAudioBitDepth,
AudioChannels = audioChannels,
Profile = profile,
Level = level,
Framerate = framerate,
MaxFramerate = maxFramerate,
CopyTimestamps = copyTimestamps ?? false,
StartTimeTicks = startTimeTicks,
Width = width,
Height = height,
VideoBitRate = videoBitRate,
SubtitleStreamIndex = subtitleStreamIndex,
SubtitleMethod = subtitleMethod ?? SubtitleDeliveryMethod.Encode,
MaxRefFrames = maxRefFrames,
MaxVideoBitDepth = maxVideoBitDepth,
RequireAvc = requireAvc ?? false,
DeInterlace = deInterlace ?? false,
RequireNonAnamorphic = requireNonAnamorphic ?? false,
TranscodingMaxAudioChannels = transcodingMaxAudioChannels,
CpuCoreLimit = cpuCoreLimit,
LiveStreamId = liveStreamId,
EnableMpegtsM2TsMode = enableMpegtsM2TsMode ?? false,
VideoCodec = videoCodec,
SubtitleCodec = subtitleCodec,
TranscodeReasons = transcodeReasons,
AudioStreamIndex = audioStreamIndex,
VideoStreamIndex = videoStreamIndex,
Context = context ?? EncodingContext.Streaming,
StreamOptions = streamOptions,
MaxHeight = maxHeight,
MaxWidth = maxWidth,
EnableSubtitlesInManifest = enableSubtitlesInManifest ?? true
};
var cancellationTokenSource = new CancellationTokenSource();
using var state = await StreamingHelpers.GetStreamingState(
streamingRequest,
Request,
_authContext,
_mediaSourceManager,
_userManager,
_libraryManager,
_serverConfigurationManager,
_mediaEncoder,
_encodingHelper,
_dlnaManager,
_deviceManager,
_transcodingJobHelper,
TranscodingJobType,
cancellationTokenSource.Token)
.ConfigureAwait(false);
TranscodingJobDto?job = null;
var playlistPath = Path.ChangeExtension(state.OutputFilePath, ".m3u8");
if (!System.IO.File.Exists(playlistPath))
{
var transcodingLock = _transcodingJobHelper.GetTranscodingLock(playlistPath);
await transcodingLock.WaitAsync(cancellationTokenSource.Token).ConfigureAwait(false);
try
{
if (!System.IO.File.Exists(playlistPath))
{
// If the playlist doesn't already exist, startup ffmpeg
try
{
job = await _transcodingJobHelper.StartFfMpeg(
state,
playlistPath,
GetCommandLineArguments(playlistPath, state),
Request,
TranscodingJobType,
cancellationTokenSource)
.ConfigureAwait(false);
job.IsLiveOutput = true;
}
catch
{
state.Dispose();
throw;
}
minSegments = state.MinSegments;
if (minSegments > 0)
{
await HlsHelpers.WaitForMinimumSegmentCount(playlistPath, minSegments, _logger, cancellationTokenSource.Token).ConfigureAwait(false);
}
}
}
finally
{
transcodingLock.Release();
}
}
job ??= _transcodingJobHelper.OnTranscodeBeginRequest(playlistPath, TranscodingJobType);
if (job != null)
{
_transcodingJobHelper.OnTranscodeEndRequest(job);
}
var playlistText = HlsHelpers.GetLivePlaylistText(playlistPath, state);
return(Content(playlistText, MimeTypes.GetMimeType("playlist.m3u8")));
}