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jellyfin/MediaBrowser.Controller/MediaEncoding/ITranscodeManager.cs

106 lines
4.2 KiB

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