public void DoEncode(object sender, DoWorkEventArgs e)
{
_bw = (BackgroundWorker)sender;
string status = Processing.GetResourceString("lame_encoding_audio_status");
_bw.ReportProgress(-10, status);
_bw.ReportProgress(0, status);
AudioInfo item = _jobInfo.AudioStreams[_jobInfo.StreamId];
int outChannels = ((MP3Profile)_jobInfo.AudioProfile).OutputChannels;
switch (outChannels)
{
case 0:
outChannels = item.ChannelCount > 2 ? 2 : 0;
break;
case 1:
outChannels = 1;
break;
}
int outSampleRate = ((MP3Profile)_jobInfo.AudioProfile).SampleRate;
switch (outSampleRate)
{
case 1:
outSampleRate = 8000;
break;
case 2:
outSampleRate = 11025;
break;
case 3:
outSampleRate = 22050;
break;
case 4:
outSampleRate = 44100;
break;
case 5:
outSampleRate = 48000;
break;
default:
outSampleRate = 0;
break;
}
int encMode = ((MP3Profile)_jobInfo.AudioProfile).EncodingMode;
int bitrate = ((MP3Profile)_jobInfo.AudioProfile).Bitrate;
int quality = ((MP3Profile)_jobInfo.AudioProfile).Quality;
string preset = ((MP3Profile)_jobInfo.AudioProfile).Preset;
string inputFile = AviSynthGenerator.GenerateAudioScript(item.TempFile, item.Format, item.FormatProfile,
item.ChannelCount, outChannels, item.SampleRate,
outSampleRate);
string outFile = Processing.CreateTempFile(item.TempFile, "encoded.mp3");
StringBuilder sb = new StringBuilder();
switch (encMode)
{
case 2:
sb.AppendFormat(AppSettings.CInfo, "-V {0:0} ", quality);
break;
case 0:
sb.AppendFormat("--preset {0:0} ", bitrate);
break;
case 1:
sb.AppendFormat("--preset cbr {0:0} ", bitrate);
break;
case 3:
sb.AppendFormat("--preset {0} ", preset);
break;
}
sb.Append("- ");
sb.AppendFormat(AppSettings.CInfo, "\"{0}\" ", outFile);
string localExecutable = Path.Combine(AppSettings.ToolsPath, Executable);
_startTime = DateTime.Now;
using (Process encoder = new Process(),
decoder = BePipe.GenerateProcess(inputFile))
{
ProcessStartInfo encoderParameter = new ProcessStartInfo(localExecutable)
{
WorkingDirectory = AppSettings.DemuxLocation,
Arguments =
sb.ToString(),
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardInput = true
};
encoder.StartInfo = encoderParameter;
decoder.StartInfo.RedirectStandardError = true;
decoder.ErrorDataReceived += OnDecoderOnErrorDataReceived;
encoder.ErrorDataReceived += OnEncoderOnErrorDataReceived;
Log.InfoFormat("lame {0:s}", encoderParameter.Arguments);
bool encStarted;
bool decStarted;
try
{
encStarted = encoder.Start();
}
catch (Exception ex)
{
encStarted = false;
Log.ErrorFormat("lame exception: {0}", ex);
_jobInfo.ExitCode = -1;
}
try
{
decStarted = decoder.Start();
}
catch (Exception ex)
{
decStarted = false;
Log.ErrorFormat("bepipe exception: {0}", ex);
_jobInfo.ExitCode = -1;
}
if (encStarted && decStarted)
{
encoder.PriorityClass = AppSettings.GetProcessPriority();
encoder.BeginErrorReadLine();
decoder.PriorityClass = AppSettings.GetProcessPriority();
decoder.BeginErrorReadLine();
Processing.CopyStreamToStream(decoder.StandardOutput.BaseStream, encoder.StandardInput.BaseStream,
32768,
(src, dst, exc) =>
{
src.Close();
dst.Close();
if (exc == null)
{
return;
}
Log.Debug(exc.Message);
Log.Debug(exc.StackTrace);
});
while (!encoder.HasExited)
{
if (_bw.CancellationPending)
{
encoder.Kill();
decoder.Kill();
}
Thread.Sleep(200);
}
encoder.WaitForExit(10000);
encoder.CancelErrorRead();
decoder.WaitForExit(10000);
decoder.CancelErrorRead();
_jobInfo.ExitCode = encoder.ExitCode;
Log.InfoFormat("Exit Code: {0:g}", _jobInfo.ExitCode);
if (_jobInfo.ExitCode == 0)
{
_jobInfo.TempFiles.Add(inputFile);
_jobInfo.TempFiles.Add(item.TempFile);
_jobInfo.TempFiles.Add(item.TempFile + ".d2a");
_jobInfo.TempFiles.Add(item.TempFile + ".ffindex");
item.TempFile = outFile;
AudioHelper.GetStreamInfo(item);
}
}
}
_bw.ReportProgress(100);
_jobInfo.CompletedStep = _jobInfo.NextStep;
e.Result = _jobInfo;
}
/// <summary>
/// AC3 encode processing function, called by BackgroundWorker thread
/// </summary>
/// <param name="sender"></param>
/// <param name="e"></param>
public void DoEncodeAc3(object sender, DoWorkEventArgs e)
{
_bw = (BackgroundWorker)sender;
bool use64BitEncoder = AppSettings.Use64BitEncoders &&
AppSettings.Ffmpeg64Installed &&
Environment.Is64BitOperatingSystem;
int[] sampleRateArr = { 0, 8000, 11025, 22050, 44100, 48000 };
int[] channelArr = { 0, 2, 3, 4, 1 };
string status = Processing.GetResourceString("ffmpeg_encoding_audio_status");
_bw.ReportProgress(-10, status);
_bw.ReportProgress(0, status);
AudioInfo item = _jobInfo.AudioStreams[_jobInfo.StreamId];
int outChannels = -1;
int outSampleRate = -1;
switch (_jobInfo.AudioProfile.Type)
{
case ProfileType.AC3:
outChannels = ((AC3Profile)_jobInfo.AudioProfile).OutputChannels;
outChannels = channelArr[outChannels];
if (item.ChannelCount > 6)
{
outChannels = 6;
}
outSampleRate = ((AC3Profile)_jobInfo.AudioProfile).SampleRate;
outSampleRate = sampleRateArr[outSampleRate];
break;
case ProfileType.Copy:
outChannels = item.ChannelCount > 6 ? 6 : item.ChannelCount;
outSampleRate = item.SampleRate;
if (_jobInfo.EncodingProfile.OutFormat == OutputType.OutputDvd && outSampleRate != 48000)
{
outSampleRate = 48000;
}
break;
}
string inputFile = AviSynthGenerator.GenerateAudioScript(item.TempFile, item.Format, item.FormatProfile,
item.ChannelCount, outChannels, item.SampleRate,
outSampleRate);
string outFile = Processing.CreateTempFile(item.TempFile, "encoded.ac3");
string localExecutable = Path.Combine(AppSettings.ToolsPath, use64BitEncoder ? Executable64 : Executable);
DateTime startTime = DateTime.Now;
using (Process encoder = new Process(),
decoder = BePipe.GenerateProcess(inputFile))
{
ProcessStartInfo encoderParameter = new ProcessStartInfo(localExecutable)
{
WorkingDirectory = AppSettings.DemuxLocation,
Arguments =
FfmpegCommandLineGenerator.GenerateAC3EncodeLine(
_jobInfo,
"-",
outFile),
CreateNoWindow = true,
UseShellExecute = false,
RedirectStandardError = true,
RedirectStandardInput = true
};
encoder.StartInfo = encoderParameter;
_localItem = item;
_encodingStart = startTime;
encoder.ErrorDataReceived += Ac3EncodeOnErrorDataReceived;
Log.InfoFormat("ffmpeg {0:s}", encoderParameter.Arguments);
bool encStarted;
bool decStarted;
try
{
encStarted = encoder.Start();
}
catch (Exception ex)
{
encStarted = false;
Log.ErrorFormat("ffmpeg exception: {0}", ex);
_jobInfo.ExitCode = -1;
}
try
{
decStarted = decoder.Start();
}
catch (Exception ex)
{
decStarted = false;
Log.ErrorFormat("bepipe exception: {0}", ex);
_jobInfo.ExitCode = -1;
}
if (encStarted && decStarted)
{
encoder.PriorityClass = AppSettings.GetProcessPriority();
encoder.BeginErrorReadLine();
decoder.PriorityClass = AppSettings.GetProcessPriority();
Processing.CopyStreamToStream(decoder.StandardOutput.BaseStream, encoder.StandardInput.BaseStream,
32768,
(src, dst, exc) =>
{
src.Close();
dst.Close();
if (exc == null)
{
return;
}
Log.Debug(exc.Message);
Log.Debug(exc.StackTrace);
});
while (!encoder.HasExited)
{
if (_bw.CancellationPending)
{
encoder.Kill();
decoder.Kill();
}
Thread.Sleep(200);
}
encoder.WaitForExit(10000);
encoder.CancelErrorRead();
decoder.WaitForExit(10000);
_jobInfo.ExitCode = encoder.ExitCode;
Log.InfoFormat("Exit Code: {0:g}", _jobInfo.ExitCode);
if (_jobInfo.ExitCode == 0)
{
_jobInfo.TempFiles.Add(inputFile);
_jobInfo.TempFiles.Add(item.TempFile);
_jobInfo.TempFiles.Add(item.TempFile + ".d2a");
_jobInfo.TempFiles.Add(item.TempFile + ".ffindex");
item.TempFile = outFile;
AudioHelper.GetStreamInfo(item);
}
}
}
_bw.ReportProgress(100);
_jobInfo.CompletedStep = _jobInfo.NextStep;
e.Result = _jobInfo;
}
