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added live channel playback

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This commit is contained in:
Luke Pulverenti
2014-01-02 23:58:22 -05:00
parent a5be2523c5
commit ede84702d1
8 changed files with 167 additions and 31 deletions
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56
MediaBrowser.Api/Playback/BaseStreamingService.cs
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@@ -13,6 +13,7 @@ using MediaBrowser.Model.Drawing;
using MediaBrowser.Model.Dto;
using MediaBrowser.Model.Entities;
using MediaBrowser.Model.IO;
using MediaBrowser.Model.LiveTv;
using System;
using System.Collections.Generic;
using System.Diagnostics;
@@ -539,8 +540,8 @@ namespace MediaBrowser.Api.Playback
/// <returns>System.String.</returns>
protected string GetProbeSizeArgument(string mediaPath, bool isVideo, VideoType? videoType, IsoType? isoType)
{
var type = !isVideo ? MediaEncoderHelpers.GetInputType(mediaPath, null, null) :
MediaEncoderHelpers.GetInputType(mediaPath, videoType, isoType);
var type = !isVideo ? MediaEncoderHelpers.GetInputType(null, null) :
MediaEncoderHelpers.GetInputType(videoType, isoType);
return MediaEncoder.GetProbeSizeArgument(type);
}
@@ -654,6 +655,11 @@ namespace MediaBrowser.Api.Playback
/// <returns>System.String.</returns>
protected string GetInputArgument(StreamState state)
{
if (state.SendInputOverStandardInput)
{
return "-";
}
var type = InputType.AudioFile;
var inputPath = new[] { state.MediaPath };
@@ -705,7 +711,9 @@ namespace MediaBrowser.Api.Playback
Arguments = GetCommandLineArguments(outputPath, state, true),
WindowStyle = ProcessWindowStyle.Hidden,
ErrorDialog = false
ErrorDialog = false,
RedirectStandardInput = state.SendInputOverStandardInput
},
EnableRaisingEvents = true
@@ -738,6 +746,11 @@ namespace MediaBrowser.Api.Playback
throw;
}
if (state.SendInputOverStandardInput)
{
StreamToStandardInput(process, state);
}
// MUST read both stdout and stderr asynchronously or a deadlock may occurr
process.BeginOutputReadLine();
@@ -763,6 +776,34 @@ namespace MediaBrowser.Api.Playback
}
}
private async void StreamToStandardInput(Process process, StreamState state)
{
state.StandardInputCancellationTokenSource = new CancellationTokenSource();
try
{
await StreamToStandardInputInternal(process, state).ConfigureAwait(false);
}
catch (OperationCanceledException)
{
Logger.Debug("Stream to standard input closed normally.");
}
catch (Exception ex)
{
Logger.ErrorException("Error writing to standard input", ex);
}
}
private async Task StreamToStandardInputInternal(Process process, StreamState state)
{
state.StandardInputCancellationTokenSource = new CancellationTokenSource();
using (var fileStream = FileSystem.GetFileStream(state.MediaPath, FileMode.Open, FileAccess.Read, FileShare.ReadWrite, true))
{
await new EndlessStreamCopy().CopyStream(fileStream, process.StandardInput.BaseStream, state.StandardInputCancellationTokenSource.Token).ConfigureAwait(false);
}
}
protected int? GetVideoBitrateParam(StreamState state)
{
return state.VideoRequest.VideoBitRate;
@@ -831,6 +872,11 @@ namespace MediaBrowser.Api.Playback
state.IsoMount = null;
}
if (state.StandardInputCancellationTokenSource != null)
{
state.StandardInputCancellationTokenSource.Cancel();
}
var outputFilePath = GetOutputFilePath(state);
state.LogFileStream.Dispose();
@@ -903,10 +949,11 @@ namespace MediaBrowser.Api.Playback
}
itemId = recording.Id;
state.SendInputOverStandardInput = recording.RecordingInfo.Status == RecordingStatus.InProgress;
}
else if (string.Equals(request.Type, "Channel", StringComparison.OrdinalIgnoreCase))
{
var channel = LiveTvManager.GetInternalChannel(request.Id);
var channel = LiveTvManager.GetInternalChannel(request.Id);
state.VideoType = VideoType.VideoFile;
state.IsInputVideo = string.Equals(channel.MediaType, MediaType.Video, StringComparison.OrdinalIgnoreCase);
@@ -926,6 +973,7 @@ namespace MediaBrowser.Api.Playback
}
itemId = channel.Id;
state.SendInputOverStandardInput = true;
}
else
{