private static int MPF_GetWavPartPos(int frame, WaveData wavDat)
{
return((int)((frame * 1.0 / Consts.FPS + Consts.AUDIO_DELAY_SEC) * wavDat.WavHz));
}
private void MakeSpectrumFile()
{
Ground.I.Logger.Info("MakeSpectrumFile.1");
WaveData wavDat = new WaveData(this.MasterWavFile);
Ground.I.Logger.Info("MakeSpectrumFile.2");
#if true
using (WorkingDir wd = new WorkingDir())
using (MultiThreadEx mtx = new MultiThreadEx())
{
Ground.I.Logger.Info("MakeSpectrumFile.3");
int frameEnd;
{
int frame;
for (frame = 1; MPF_GetWavPartPos(frame, wavDat) < wavDat.Length; frame++)
{
}
frameEnd = frame;
}
int THREAD_NUM = this.ThreadCount;
Ground.I.Logger.Info("THREAD_NUM:" + THREAD_NUM);
if (THREAD_NUM < 1)
{
throw null;
}
const string SP_CSV_LOCAL_FILE_BASE = "SP_Csv_";
for (int c = 0; c < THREAD_NUM; c++)
{
string thc_wFile = wd.GetPath(SP_CSV_LOCAL_FILE_BASE + c);
int thc_frameSt = (frameEnd * (c + 0)) / THREAD_NUM;
int thc_frameEd = (frameEnd * (c + 1)) / THREAD_NUM;
WaveData.WavPartInfo thc_wp = new WaveData.WavPartInfo();
mtx.Add(() =>
{
using (CsvFileWriter writer = new CsvFileWriter(thc_wFile))
{
for (int frame = thc_frameSt; frame < thc_frameEd; frame++)
{
int wavPartPos = MPF_GetWavPartPos(frame, wavDat);
wavDat.LoadWavPart(thc_wp, wavPartPos);
SpectrumGraph graph = new SpectrumGraph(hz => wavDat.GetSpectrum(thc_wp, hz));
CsvUtils.WriteRow(writer, graph);
}
}
});
}
Ground.I.Logger.Info("MakeSpectrumFile.4");
mtx.RelayThrow();
Ground.I.Logger.Info("MakeSpectrumFile.5");
using (CsvFileWriter writer = new CsvFileWriter(this.SpectrumFile))
{
for (int c = 0; c < THREAD_NUM; c++)
{
string rFile = wd.GetPath(SP_CSV_LOCAL_FILE_BASE + c);
using (CsvFileReader reader = new CsvFileReader(rFile))
{
for (; ;)
{
string[] row = reader.ReadRow();
if (row == null)
{
break;
}
writer.WriteRow(row);
}
}
}
}
Ground.I.Logger.Info("MakeSpectrumFile.6");
}
#else // old
using (CsvFileWriter writer = new CsvFileWriter(this.SpectrumFile))
//using (CsvFileWriter writer_L = new CsvFileWriter(this.SpectrumFile_L)) // 不使用
//using (CsvFileWriter writer_R = new CsvFileWriter(this.SpectrumFile_R)) // 不使用
{
for (int frame = 0; ; frame++)
{
int wavPartPos = MPF_GetWavPartPos(frame, wavDat);
//int wavPartPos = (int)((frame * 1.0 / Consts.FPS + Consts.AUDIO_DELAY_SEC) * wavDat.WavHz);
if (wavDat.Length <= wavPartPos)
{
break;
}
if (frame % 200 == 0)
{
Ground.I.Logger.Info("MSF_frame: " + frame);
this.CheckCancel();
}
wavDat.SetWavPart(wavPartPos);
SpectrumGraph graph = new SpectrumGraph(hz => wavDat.GetSpectrum(hz));
//SpectrumGraph graph_L = new SpectrumGraph(hz => wavDat.GetSpectrum_L(hz)); // 不使用
//SpectrumGraph graph_R = new SpectrumGraph(hz => wavDat.GetSpectrum_R(hz)); // 不使用
CsvUtils.WriteRow(writer, graph);
//CsvUtils.WriteRow(writer_L, graph_L); // 不使用
//CsvUtils.WriteRow(writer_R, graph_R); // 不使用
}
}
Ground.I.Logger.Info("MakeSpectrumFile.3");
#endif
}