private AvsFile(string script, bool parse)
{
try
{
this.enviroment = new AviSynthScriptEnvironment();
this.clip = parse ? enviroment.ParseScript(script, AviSynthColorspace.RGB24) : enviroment.OpenScriptFile(script, AviSynthColorspace.RGB24);
checked
{
ulong width = (ulong)clip.VideoWidth;
ulong height = (ulong)clip.VideoHeight;
info = new MediaFileInfo(
clip.HasVideo, width, height,
new Dar(clip.GetIntVariable("MeGUI_darx", -1),
clip.GetIntVariable("MeGUI_dary", -1),
width, height),
(ulong)clip.num_frames,
((double)clip.raten) / ((double)clip.rated),
(clip.SamplesCount != 0));
}
}
catch (Exception)
{
cleanup();
throw;
}
}
public static bool UseLSMASHVideoSource(string inputFile, bool bVideo)
{
string extension = Path.GetExtension(inputFile).ToLowerInvariant();
if (!extension.Equals(".mp4") && !extension.Equals(".m4v") && !extension.Equals(".mov") && !extension.Equals(".m4a") &&
!extension.Equals(".3gp") && !extension.Equals(".3g2") && !extension.Equals(".aac") && !extension.Equals(".qt"))
{
return(false);
}
StringBuilder script = new StringBuilder();
script.AppendFormat("LoadPlugin(\"{0}\"){1}", MainForm.Instance.Settings.LSMASH.Path, Environment.NewLine);
script.AppendFormat("{0}(\"{1}\")", (bVideo ? "LSMASHVideoSource" : "LSMASHAudioSource"), inputFile);
try
{
using (AviSynthScriptEnvironment env = new AviSynthScriptEnvironment())
{
using (AviSynthClip a = env.ParseScript(script.ToString()))
{
return(true);
}
}
}
catch
{
return(false);
}
}
private AvsFile(string script, bool parse)
{
try
{
this.enviroment = new AviSynthScriptEnvironment();
this.clip = parse ? enviroment.ParseScript(script, AviSynthColorspace.RGB24) : enviroment.OpenScriptFile(script, AviSynthColorspace.RGB24);
checked
{
if (clip.HasVideo)
{
ulong width = (ulong)clip.VideoWidth;
ulong height = (ulong)clip.VideoHeight;
info = new VideoInformation(
clip.HasVideo, width, height,
new Dar(clip.GetIntVariable("MeGUI_darx", -1),
clip.GetIntVariable("MeGUI_dary", -1),
width, height),
(ulong)clip.num_frames,
((double)clip.raten) / ((double)clip.rated),
clip.raten, clip.rated);
}
else
{
info = new VideoInformation(false, 0, 0, Dar.A1x1, (ulong)clip.SamplesCount, (double)clip.AudioSampleRate, 0, 0);
}
}
}
catch (Exception)
{
cleanup();
throw;
}
}
public static bool AVSScriptHasVideo(String strAVSScript, out string strErrorText)
{
try
{
strErrorText = String.Empty;
using (AviSynthScriptEnvironment env = new AviSynthScriptEnvironment())
using (AviSynthClip a = env.ParseScript(strAVSScript))
return(a.HasVideo);
}
catch (Exception ex)
{
strErrorText = ex.Message;
return(false);
}
}
protected override void RunInThread()
{
try
{
// job output file in case of LWLibavVideoSource()
base.jobOutputFile = job.Input + ".lwi";
// generate the avs script
StringBuilder strAVSScript = new StringBuilder();
MediaInfoFile oInfo = null;
strAVSScript.Append(VideoUtil.getLSMASHVideoInputLine(job.Input, job.Output, 0, ref oInfo));
if (oInfo != null)
{
oInfo.Dispose();
}
base.log.LogValue("AviSynth script", strAVSScript.ToString(), ImageType.Information);
// check if the script has a video track, also this call will create the index file if there is one
string strErrorText = "no video track found";
bool openSuccess = false;
try
{
strErrorText = String.Empty;
using (AviSynthScriptEnvironment env = new AviSynthScriptEnvironment())
using (AviSynthClip a = env.ParseScript(strAVSScript.ToString(), false, false))
openSuccess = a.HasVideo;
}
catch (Exception ex)
{
strErrorText = ex.Message;
}
if (!openSuccess)
{
// avs script has no video track or an error has been thrown
base.log.LogEvent(strErrorText, ImageType.Error);
su.HasError = true;
}
}
catch (Exception ex)
{
base.log.LogValue("Error: ", ex.Message, ImageType.Error);
su.HasError = true;
}
}
public static bool AVSScriptHasAudio(String strAVSScript, out string strErrorText)
{
try
{
strErrorText = String.Empty;
using (AviSynthScriptEnvironment env = new AviSynthScriptEnvironment())
using (AviSynthClip a = env.ParseScript(strAVSScript))
if (a.ChannelsCount == 0)
{
return(false);
}
return(true);
}
catch (Exception ex)
{
strErrorText = ex.Message;
return(false);
}
}
private AvsFile(string script, bool parse)
{
try
{
this.enviroment = new AviSynthScriptEnvironment();
this.clip = parse ? enviroment.ParseScript(script, AviSynthColorspace.RGB24) : enviroment.OpenScriptFile(script, AviSynthColorspace.RGB24);
this.hasVideo = clip.HasVideo;
this.height = this.clip.VideoHeight;
this.width = this.clip.VideoWidth;
this.frameRate = ((double)clip.raten) / ((double)clip.rated);
this.darX = this.clip.GetIntVariable("MeGUI_darx", -1);
this.darY = this.clip.GetIntVariable("MeGUI_dary", -1);
this.frameCount = clip.num_frames;
this.hasAudio = (clip.SamplesCount != 0);
}
catch (Exception)
{
cleanup();
throw;
}
}
private void encode()
{
try
{
using (AviSynthScriptEnvironment env = new AviSynthScriptEnvironment())
{
using (AviSynthClip a = env.ParseScript(_avisynthAudioScript))
{
if (0 == a.ChannelsCount)
{
throw new ApplicationException("Can't find audio stream");
}
_logBuilder.AppendFormat("Input: Channels={0}, BitsPerSample={1}, SampleRate={2}Hz{3}", a.ChannelsCount, a.BitsPerSample, a.AudioSampleRate, Environment.NewLine);
_start = DateTime.Now;
const int MAX_SAMPLES_PER_ONCE = 4096;
int frameSample = 0;
int lastUpdateSample = 0;
int frameBufferTotalSize = MAX_SAMPLES_PER_ONCE * a.ChannelsCount * a.BytesPerSample;
byte[] frameBuffer = new byte[frameBufferTotalSize];
createEncoderProcess(a);
try
{
using (Stream target = _encoderProcess.StandardInput.BaseStream)
{
// let's write WAV Header
if (_mustSendWavHeaderToEncoderStdIn)
{
writeHeader(target, a);
}
_sampleRate = a.AudioSampleRate;
raiseEvent("Preprocessing...");
bool hasStartedEncoding = false;
GCHandle h = GCHandle.Alloc(frameBuffer, GCHandleType.Pinned);
IntPtr address = h.AddrOfPinnedObject();
try
{
su.ClipLength = TimeSpan.FromSeconds((double)a.SamplesCount / (double)_sampleRate);
while (frameSample < a.SamplesCount)
{
_mre.WaitOne();
if (_encoderProcess != null)
{
if (_encoderProcess.HasExited)
{
throw new ApplicationException("Abnormal encoder termination " + _encoderProcess.ExitCode.ToString());
}
}
int nHowMany = Math.Min((int)(a.SamplesCount - frameSample), MAX_SAMPLES_PER_ONCE);
a.ReadAudio(address, frameSample, nHowMany);
_mre.WaitOne();
if (!hasStartedEncoding)
{
raiseEvent("Encoding audio...");
hasStartedEncoding = true;
}
target.Write(frameBuffer, 0, nHowMany * a.ChannelsCount * a.BytesPerSample);
target.Flush();
frameSample += nHowMany;
if (frameSample - lastUpdateSample > SAMPLES_PER_UPDATE)
{
setProgress((decimal)frameSample / (decimal)a.SamplesCount);
lastUpdateSample = frameSample;
}
Thread.Sleep(0);
}
}
finally
{
h.Free();
}
setProgress(1M);
if (_mustSendWavHeaderToEncoderStdIn && a.BytesPerSample % 2 == 1)
{
target.WriteByte(0);
}
}
raiseEvent("Finalizing encoder");
_encoderProcess.WaitForExit();
_readFromStdErrThread.Join();
_readFromStdOutThread.Join();
if (0 != _encoderProcess.ExitCode)
{
throw new ApplicationException("Abnormal encoder termination " + _encoderProcess.ExitCode.ToString());
}
}
finally
{
if (!_encoderProcess.HasExited)
{
_encoderProcess.Kill();
_encoderProcess.WaitForExit();
_readFromStdErrThread.Join();
_readFromStdOutThread.Join();
}
_readFromStdErrThread = null;
_readFromStdOutThread = null;
}
}
}
}
catch (Exception e)
{
deleteOutputFile();
if (e is ThreadAbortException)
{
_logBuilder.Append("ABORTING!\n");
su.WasAborted = true;
raiseEvent();
}
else
{
// Better Errors Exception for Audio Encoders
int encoder_path = _encoderExecutablePath.LastIndexOf(@"\");
string audio_encoder = _encoderExecutablePath.Substring(encoder_path + 1).ToLower();
_logBuilder.Append("\n");
_logBuilder.Append("\nError:\n");
if (audioJob.Settings is WinAmpAACSettings)
{
if (File.Exists(encoder_path + "enc_aacplus.dll") == false)
{
_logBuilder.Append("enc_aacplus.dll not found in the path...\n");
}
if (File.Exists(Environment.SystemDirectory + @"\nscrt.dll") == false)
{
_logBuilder.Append("nscrt.dll must be in your Windows System directory...\n");
}
}
su.HasError = true;
raiseEvent();
}
return;
}
finally
{
deleteTempFiles();
}
su.IsComplete = true;
raiseEvent();
}
private void encode()
{
try
{
using (AviSynthScriptEnvironment env = new AviSynthScriptEnvironment())
{
using (AviSynthClip a = env.ParseScript(_avisynthAudioScript))
{
if (0 == a.ChannelsCount)
{
throw new ApplicationException("Can't find audio stream");
}
_logBuilder.AppendFormat("Channels={0}, BitsPerSample={1}, SampleRate={2}Hz{3}", a.ChannelsCount, a.BitsPerSample, a.AudioSampleRate, Environment.NewLine);
const int MAX_SAMPLES_PER_ONCE = 4096;
int frameSample = 0;
int frameBufferTotalSize = MAX_SAMPLES_PER_ONCE * a.ChannelsCount * a.BytesPerSample;
byte[] frameBuffer = new byte[frameBufferTotalSize];
createEncoderProcess(a);
try
{
using (Stream target = _encoderProcess.StandardInput.BaseStream)
{
// let's write WAV Header
if (_mustSendWavHeaderToEncoderStdIn)
{
writeHeader(target, a);
}
_sampleRate = a.AudioSampleRate;
raiseEvent("Preprocessing...");
GCHandle h = GCHandle.Alloc(frameBuffer, GCHandleType.Pinned);
IntPtr address = h.AddrOfPinnedObject();
try
{
while (frameSample < a.SamplesCount)
{
_mre.WaitOne();
if (_encoderProcess != null)
{
if (_encoderProcess.HasExited)
{
throw new ApplicationException("Abnormal encoder termination " + _encoderProcess.ExitCode.ToString());
}
}
int nHowMany = Math.Min((int)(a.SamplesCount - frameSample), MAX_SAMPLES_PER_ONCE);
a.ReadAudio(address, frameSample, nHowMany);
_mre.WaitOne();
setProgress(((100 * (double)frameSample) / a.SamplesCount), frameSample);
target.Write(frameBuffer, 0, nHowMany * a.ChannelsCount * a.BytesPerSample);
target.Flush();
frameSample += nHowMany;
Thread.Sleep(0);
}
}
finally
{
h.Free();
}
setProgress(100, frameSample);
if (_mustSendWavHeaderToEncoderStdIn && a.BytesPerSample % 2 == 1)
{
target.WriteByte(0);
}
}
raiseEvent("Finalizing encoder");
_encoderProcess.WaitForExit();
_readFromStdErrThread.Join();
_readFromStdOutThread.Join();
if (0 != _encoderProcess.ExitCode)
{
throw new ApplicationException("Abnormal encoder termination " + _encoderProcess.ExitCode.ToString());
}
}
finally
{
if (!_encoderProcess.HasExited)
{
_encoderProcess.Kill();
_encoderProcess.WaitForExit();
_readFromStdErrThread.Join();
_readFromStdOutThread.Join();
}
_readFromStdErrThread = null;
_readFromStdOutThread = null;
}
}
}
}
catch (Exception e)
{
deleteOutputFile();
if (e is ThreadAbortException)
{
_logBuilder.Append("ABORTING!\n");
StatusUpdate u = new StatusUpdate();
u.WasAborted = true;
raiseEvent(u);
}
else
{
_logBuilder.Append("Error:\n" + e.ToString());
StatusUpdate u = new StatusUpdate();
u.HasError = true;
u.Error = e.ToString();
raiseEvent(u);
}
return;
}
finally
{
deleteTempFiles();
}
StatusUpdate u2 = new StatusUpdate();
u2.IsComplete = true;
raiseEvent(u2);
}