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#pragma warning disable CS1591
using System;
using System.IO;
using System.Net.Http;
using System.Threading;
using System.Threading.Tasks;
using MediaBrowser.Common.Net;
using MediaBrowser.Controller.Library;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.IO;
using Microsoft.Extensions.Logging;
namespace Emby.Server.Implementations.LiveTv.EmbyTV
{
public class DirectRecorder : IRecorder
{
private readonly ILogger _logger;
private readonly IHttpClientFactory _httpClientFactory;
private readonly IStreamHelper _streamHelper;
public DirectRecorder(ILogger logger, IHttpClientFactory httpClientFactory, IStreamHelper streamHelper)
{
_logger = logger;
_httpClientFactory = httpClientFactory;
_streamHelper = streamHelper;
}
public string GetOutputPath(MediaSourceInfo mediaSource, string targetFile)
{
return targetFile;
}
public Task Record(IDirectStreamProvider directStreamProvider, MediaSourceInfo mediaSource, string targetFile, TimeSpan duration, Action onStarted, CancellationToken cancellationToken)
{
if (directStreamProvider != null)
{
return RecordFromDirectStreamProvider(directStreamProvider, targetFile, duration, onStarted, cancellationToken);
}
return RecordFromMediaSource(mediaSource, targetFile, duration, onStarted, cancellationToken);
}
private async Task RecordFromDirectStreamProvider(IDirectStreamProvider directStreamProvider, string targetFile, TimeSpan duration, Action onStarted, CancellationToken cancellationToken)
{
Directory.CreateDirectory(Path.GetDirectoryName(targetFile));
// use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
using (var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.None))
{
onStarted();
_logger.LogInformation("Copying recording stream to file {0}", targetFile);
// The media source is infinite so we need to handle stopping ourselves
using var durationToken = new CancellationTokenSource(duration);
using var cancellationTokenSource = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token);
await directStreamProvider.CopyToAsync(output, cancellationTokenSource.Token).ConfigureAwait(false);
}
_logger.LogInformation("Recording completed to file {0}", targetFile);
}
private async Task RecordFromMediaSource(MediaSourceInfo mediaSource, string targetFile, TimeSpan duration, Action onStarted, CancellationToken cancellationToken)
{
using var response = await _httpClientFactory.CreateClient(NamedClient.Default)
.GetAsync(mediaSource.Path, HttpCompletionOption.ResponseHeadersRead, cancellationToken).ConfigureAwait(false);
_logger.LogInformation("Opened recording stream from tuner provider");
Directory.CreateDirectory(Path.GetDirectoryName(targetFile));
// use FileShare.None as this bypasses dotnet bug dotnet/runtime#42790 .
await using var output = new FileStream(targetFile, FileMode.Create, FileAccess.Write, FileShare.None);
onStarted();
_logger.LogInformation("Copying recording stream to file {0}", targetFile);
// The media source if infinite so we need to handle stopping ourselves
using var durationToken = new CancellationTokenSource(duration);
using var linkedCancellationToken = CancellationTokenSource.CreateLinkedTokenSource(cancellationToken, durationToken.Token);
cancellationToken = linkedCancellationToken.Token;
await _streamHelper.CopyUntilCancelled(
await response.Content.ReadAsStreamAsync(cancellationToken).ConfigureAwait(false),
output,
IODefaults.CopyToBufferSize,
cancellationToken).ConfigureAwait(false);
_logger.LogInformation("Recording completed to file {0}", targetFile);
}
}
}
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