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105 lines
4.2 KiB
105 lines
4.2 KiB
using System;
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using System.Threading;
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using System.Threading.Tasks;
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using MediaBrowser.Controller.Streaming;
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namespace MediaBrowser.Controller.MediaEncoding;
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/// <summary>
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/// A service for managing media transcoding.
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/// </summary>
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public interface ITranscodeManager
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{
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/// <summary>
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/// Get transcoding job.
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/// </summary>
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/// <param name="playSessionId">Playback session id.</param>
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/// <returns>The transcoding job.</returns>
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public TranscodingJob? GetTranscodingJob(string playSessionId);
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/// <summary>
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/// Get transcoding job.
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/// </summary>
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/// <param name="path">Path to the transcoding file.</param>
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/// <param name="type">The <see cref="TranscodingJobType"/>.</param>
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/// <returns>The transcoding job.</returns>
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public TranscodingJob? GetTranscodingJob(string path, TranscodingJobType type);
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/// <summary>
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/// Ping transcoding job.
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/// </summary>
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/// <param name="playSessionId">Play session id.</param>
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/// <param name="isUserPaused">Is user paused.</param>
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/// <exception cref="ArgumentNullException">Play session id is null.</exception>
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public void PingTranscodingJob(string playSessionId, bool? isUserPaused);
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/// <summary>
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/// Kills the single transcoding job.
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/// </summary>
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/// <param name="deviceId">The device id.</param>
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/// <param name="playSessionId">The play session identifier.</param>
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/// <param name="deleteFiles">The delete files.</param>
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/// <returns>Task.</returns>
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public Task KillTranscodingJobs(string deviceId, string? playSessionId, Func<string, bool> deleteFiles);
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/// <summary>
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/// Report the transcoding progress to the session manager.
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/// </summary>
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/// <param name="job">The <see cref="TranscodingJob"/> of which the progress will be reported.</param>
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/// <param name="state">The <see cref="StreamState"/> of the current transcoding job.</param>
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/// <param name="transcodingPosition">The current transcoding position.</param>
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/// <param name="framerate">The framerate of the transcoding job.</param>
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/// <param name="percentComplete">The completion percentage of the transcode.</param>
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/// <param name="bytesTranscoded">The number of bytes transcoded.</param>
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/// <param name="bitRate">The bitrate of the transcoding job.</param>
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public void ReportTranscodingProgress(
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TranscodingJob job,
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StreamState state,
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TimeSpan? transcodingPosition,
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float? framerate,
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double? percentComplete,
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long? bytesTranscoded,
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int? bitRate);
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/// <summary>
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/// Starts FFMpeg.
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/// </summary>
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/// <param name="state">The state.</param>
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/// <param name="outputPath">The output path.</param>
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/// <param name="commandLineArguments">The command line arguments for FFmpeg.</param>
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/// <param name="userId">The user id.</param>
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/// <param name="transcodingJobType">The <see cref="TranscodingJobType"/>.</param>
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/// <param name="cancellationTokenSource">The cancellation token source.</param>
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/// <param name="workingDirectory">The working directory.</param>
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/// <returns>Task.</returns>
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public Task<TranscodingJob> StartFfMpeg(
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StreamState state,
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string outputPath,
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string commandLineArguments,
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Guid userId,
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TranscodingJobType transcodingJobType,
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CancellationTokenSource cancellationTokenSource,
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string? workingDirectory = null);
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/// <summary>
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/// Called when [transcode begin request].
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/// </summary>
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/// <param name="path">The path.</param>
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/// <param name="type">The type.</param>
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/// <returns>The <see cref="TranscodingJob"/>.</returns>
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public TranscodingJob? OnTranscodeBeginRequest(string path, TranscodingJobType type);
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/// <summary>
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/// Called when [transcode end].
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/// </summary>
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/// <param name="job">The transcode job.</param>
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public void OnTranscodeEndRequest(TranscodingJob job);
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/// <summary>
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/// Gets the transcoding lock.
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/// </summary>
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/// <param name="outputPath">The output path of the transcoded file.</param>
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/// <returns>A <see cref="SemaphoreSlim"/>.</returns>
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public SemaphoreSlim GetTranscodingLock(string outputPath);
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}
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