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display additional transcoding info in dashboard

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This commit is contained in:
Luke Pulverenti
2014-06-05 20:39:02 -04:00
parent 7049ad66f4
commit f7cd7182d5
15 changed files with 260 additions and 74 deletions
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131
MediaBrowser.Api/Playback/BaseStreamingService.cs
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@@ -126,7 +126,7 @@ namespace MediaBrowser.Api.Playback
/// </summary>
/// <param name="state">The state.</param>
/// <returns>System.String.</returns>
protected string GetOutputFilePath(StreamState state)
private string GetOutputFilePath(StreamState state)
{
var folder = ServerConfigurationManager.ApplicationPaths.TranscodingTempPath;
@@ -726,12 +726,13 @@ namespace MediaBrowser.Api.Playback
/// </summary>
/// <param name="request">The request.</param>
/// <param name="audioStream">The audio stream.</param>
/// <param name="outputAudioCodec">The output audio codec.</param>
/// <returns>System.Nullable{System.Int32}.</returns>
private int? GetNumAudioChannelsParam(StreamRequest request, MediaStream audioStream)
private int? GetNumAudioChannelsParam(StreamRequest request, MediaStream audioStream, string outputAudioCodec)
{
if (audioStream != null)
{
var codec = request.AudioCodec ?? string.Empty;
var codec = outputAudioCodec ?? string.Empty;
if (audioStream.Channels > 2 && codec.IndexOf("wma", StringComparison.OrdinalIgnoreCase) != -1)
{
@@ -769,7 +770,7 @@ namespace MediaBrowser.Api.Playback
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.String.</returns>
protected string GetAudioCodec(StreamRequest request)
private string GetAudioCodec(StreamRequest request)
{
var codec = request.AudioCodec;
@@ -798,7 +799,7 @@ namespace MediaBrowser.Api.Playback
/// </summary>
/// <param name="request">The request.</param>
/// <returns>System.String.</returns>
protected string GetVideoCodec(VideoStreamRequest request)
private string GetVideoCodec(VideoStreamRequest request)
{
var codec = request.VideoCodec;
@@ -866,7 +867,7 @@ namespace MediaBrowser.Api.Playback
Directory.CreateDirectory(Path.GetDirectoryName(outputPath));
if (state.IsInputVideo && state.VideoType == VideoType.Iso && state.IsoType.HasValue && IsoManager.CanMount(state.MediaPath))
if (state.VideoType == VideoType.Iso && state.IsoType.HasValue && IsoManager.CanMount(state.MediaPath))
{
state.IsoMount = await IsoManager.Mount(state.MediaPath, cancellationTokenSource.Token).ConfigureAwait(false);
}
@@ -900,7 +901,13 @@ namespace MediaBrowser.Api.Playback
EnableRaisingEvents = true
};
ApiEntryPoint.Instance.OnTranscodeBeginning(outputPath, TranscodingJobType, process, state.Request.StartTimeTicks, state.MediaPath, state.Request.DeviceId, cancellationTokenSource);
ApiEntryPoint.Instance.OnTranscodeBeginning(outputPath,
TranscodingJobType,
process,
state.Request.StartTimeTicks,
state.Request.DeviceId,
state,
cancellationTokenSource);
var commandLineLogMessage = process.StartInfo.FileName + " " + process.StartInfo.Arguments;
Logger.Info(commandLineLogMessage);
@@ -924,7 +931,7 @@ namespace MediaBrowser.Api.Playback
{
Logger.ErrorException("Error starting ffmpeg", ex);
ApiEntryPoint.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType);
ApiEntryPoint.Instance.OnTranscodeFailedToStart(outputPath, TranscodingJobType, state);
throw;
}
@@ -932,10 +939,8 @@ namespace MediaBrowser.Api.Playback
// MUST read both stdout and stderr asynchronously or a deadlock may occurr
process.BeginOutputReadLine();
#pragma warning disable 4014
// Important - don't await the log task or we won't be able to kill ffmpeg when the user stops playback
process.StandardError.BaseStream.CopyToAsync(state.LogFileStream);
#pragma warning restore 4014
StartStreamingLog(state, process.StandardError.BaseStream, state.LogFileStream);
// Wait for the file to exist before proceeeding
while (!File.Exists(outputPath))
@@ -956,6 +961,82 @@ namespace MediaBrowser.Api.Playback
}
}
private async void StartStreamingLog(StreamState state, Stream source, Stream target)
{
try
{
using (var reader = new StreamReader(source))
{
while (!reader.EndOfStream)
{
var line = await reader.ReadLineAsync().ConfigureAwait(false);
ParseLogLine(line, state);
var bytes = Encoding.UTF8.GetBytes(Environment.NewLine + line);
await target.WriteAsync(bytes, 0, bytes.Length).ConfigureAwait(false);
}
}
}
catch (Exception ex)
{
Logger.ErrorException("Error reading ffmpeg log", ex);
}
}
private void ParseLogLine(string line, StreamState state)
{
float? framerate = null;
double? percent = null;
var parts = line.Split(' ');
var totalMs = state.RunTimeTicks.HasValue
? TimeSpan.FromTicks(state.RunTimeTicks.Value).TotalMilliseconds
: 0;
var startMs = state.Request.StartTimeTicks.HasValue
? TimeSpan.FromTicks(state.Request.StartTimeTicks.Value).TotalMilliseconds
: 0;
for (var i = 0; i < parts.Length; i++)
{
var part = parts[i];
if (string.Equals(part, "fps=", StringComparison.OrdinalIgnoreCase) &&
(i + 1 < parts.Length))
{
var rate = parts[i + 1];
float val;
if (float.TryParse(rate, NumberStyles.Any, UsCulture, out val))
{
framerate = val;
}
}
else if (state.RunTimeTicks.HasValue &&
part.StartsWith("time=", StringComparison.OrdinalIgnoreCase))
{
var time = part.Split(new[] { '=' }, 2).Last();
TimeSpan val;
if (TimeSpan.TryParse(time, UsCulture, out val))
{
var currentMs = startMs + val.TotalMilliseconds;
var percentVal = currentMs / totalMs;
percent = 100 * percentVal;
}
}
}
if (framerate.HasValue || percent.HasValue)
{
ApiEntryPoint.Instance.ReportTranscodingProgress(state, framerate, percent);
}
}
private int? GetVideoBitrateParamValue(VideoStreamRequest request, MediaStream videoStream)
{
var bitrate = request.VideoBitRate;
@@ -1500,23 +1581,27 @@ namespace MediaBrowser.Api.Playback
state.OutputAudioBitrate = GetAudioBitrateParam(state.Request, state.AudioStream);
state.OutputAudioSampleRate = request.AudioSampleRate;
state.OutputAudioChannels = GetNumAudioChannelsParam(state.Request, state.AudioStream);
state.OutputAudioCodec = GetAudioCodec(state.Request);
if (videoRequest != null)
{
state.OutputVideoCodec = GetVideoCodec(videoRequest);
state.OutputVideoBitrate = GetVideoBitrateParamValue(state.VideoRequest, state.VideoStream);
if (state.VideoStream != null && CanStreamCopyVideo(videoRequest, state.VideoStream))
{
videoRequest.VideoCodec = "copy";
state.OutputVideoCodec = "copy";
}
if (state.AudioStream != null && CanStreamCopyAudio(request, state.AudioStream, state.SupportedAudioCodecs))
{
request.AudioCodec = "copy";
state.OutputAudioCodec = "copy";
}
}
state.OutputFilePath = GetOutputFilePath(state);
return state;
}
@@ -1729,14 +1814,14 @@ namespace MediaBrowser.Api.Playback
return;
}
var audioCodec = state.Request.AudioCodec;
var audioCodec = state.OutputAudioCodec;
if (string.Equals(audioCodec, "copy", StringComparison.OrdinalIgnoreCase) && state.AudioStream != null)
{
audioCodec = state.AudioStream.Codec;
}
var videoCodec = state.VideoRequest == null ? null : state.VideoRequest.VideoCodec;
var videoCodec = state.OutputVideoCodec;
if (string.Equals(videoCodec, "copy", StringComparison.OrdinalIgnoreCase) && state.VideoStream != null)
{
@@ -1807,7 +1892,12 @@ namespace MediaBrowser.Api.Playback
profile = DlnaManager.GetDefaultProfile();
}
var audioCodec = state.Request.AudioCodec;
var audioCodec = state.OutputAudioCodec;
if (string.Equals(audioCodec, "copy", StringComparison.OrdinalIgnoreCase) && state.AudioStream != null)
{
audioCodec = state.AudioStream.Codec;
}
if (state.VideoRequest == null)
{
@@ -1825,12 +1915,7 @@ namespace MediaBrowser.Api.Playback
}
else
{
if (string.Equals(audioCodec, "copy", StringComparison.OrdinalIgnoreCase) && state.AudioStream != null)
{
audioCodec = state.AudioStream.Codec;
}
var videoCodec = state.VideoRequest == null ? null : state.VideoRequest.VideoCodec;
var videoCodec = state.OutputVideoCodec;
if (string.Equals(videoCodec, "copy", StringComparison.OrdinalIgnoreCase) && state.VideoStream != null)
{