public WaveformReader(WaweformFormat aFormat, string aFilePath, int aBasePosition, bool aIsOnMemory, AByteArray.Endian aEndian)
{
objectLock = new object();
format = aFormat;
filePath = aFilePath;
basePosition = aBasePosition;
if (aIsOnMemory == true || LENGTH_BUFFER == 0)
{
bufferLength = aFormat.samples;
}
else
{
bufferLength = LENGTH_BUFFER;
}
sampleArray = new float[format.channels][];
for (int i = 0; i < format.channels; i++)
{
sampleArray[i] = new float[bufferLength];
}
startPosition = int.MaxValue;
endian = aEndian;
}
public WaveformData(WaweformFormat aFormat, AByteArray aByteArray, int aBasePosition)
{
format = aFormat;
sampleByteArray = new sbyte[format.channels][];
for (int i = 0; i < format.channels; i++)
{
sampleByteArray[i] = new sbyte[format.samples];
}
ReadSampleArray(aByteArray, aBasePosition);
}
public WaveformReaderPcm(RiffChunkListSdta[] sdtaBodyList, ShdrData shdrData, int startAddrsOffset, int endAddrsOffset, string aName)
: base()
{
string name = aName;
int position = ( int )sdtaBodyList[0].smplBody.position + ( int )(shdrData.start + startAddrsOffset) * 2;
int length = ( int )((shdrData.end + endAddrsOffset) - (shdrData.start + startAddrsOffset)) * 2;
int channels = 1;
int sampleRate = ( int )shdrData.sampleRate;
int sampleBits = 16;
int samples = length / channels;
format = new WaweformFormat(channels, samples, sampleRate, sampleBits);
reader = new WaveformReader(format, name, position, true, AByteArray.Endian.Little);
}
public WaveformReaderPcm(RiffWaveRiff aRiffWaveRiff, bool aIsOnMemory)
{
RiffWaveData lRiffWaveData = ( RiffWaveData )aRiffWaveRiff.GetChunk(RiffWaveData.ID);
int lPosition = ( int )lRiffWaveData.position;
int lLength = ( int )lRiffWaveData.Size;
RiffWaveFmt_ lRiffWaveFmt_ = ( RiffWaveFmt_ )aRiffWaveRiff.GetChunk(RiffWaveFmt_.ID);
int lChannels = lRiffWaveFmt_.channels;
int lSampleRate = ( int )lRiffWaveFmt_.samplesPerSec;
int lSampleBits = lRiffWaveFmt_.bitsPerSample;
int lSamples = lLength / (lSampleBits / 8) / lChannels;
format = new WaweformFormat(lChannels, lSamples, lSampleRate, lSampleBits);
reader = new WaveformReader(format, aRiffWaveRiff.name, lPosition, aIsOnMemory, AByteArray.Endian.Little);
}
public WaveformReaderPcm(FormAiffForm aFormFile, bool aIsOnMemory)
{
FormAiffSsnd lSsndChunk = ( FormAiffSsnd )aFormFile.GetChunk(FormAiffSsnd.ID);
int lPosition = ( int )(lSsndChunk.position + lSsndChunk.offset + 8);
int lLength = lSsndChunk.dataSize;
FormAiffComm lChunkComm = ( FormAiffComm )aFormFile.GetChunk(FormAiffComm.ID);
int lChannels = lChunkComm.numberOfChannels;
int lSampleRate = ( int )lChunkComm.sampleRate;
int lSampleBits = lChunkComm.bitsPerSamples;
int lSamples = lLength / (lSampleBits / 8) / lChannels;
format = new WaweformFormat(lChannels, lSamples, lSampleRate, lSampleBits);
reader = new WaveformReader(format, aFormFile.name, lPosition, aIsOnMemory, AByteArray.Endian.Big);
}
public WaveformReaderPcm(RiffChunkListWave aWaveList, string aName)
: base()
{
RiffDls_Fmt_ fmt_Chunk = aWaveList.fmt_Chunk;
RiffDls_Data dataChunk = aWaveList.dataChunk;
int position = ( int )dataChunk.position;
int length = ( int )dataChunk.Size;
int channels = fmt_Chunk.channles;
int sampleRate = ( int )fmt_Chunk.samplesPerSec;
int sampleBits = ( int )fmt_Chunk.bitsPerSample;
int samples = length / (sampleBits / 8) / channels;
format = new WaweformFormat(channels, samples, sampleRate, sampleBits);
reader = new WaveformReader(format, aName, position, true, AByteArray.Endian.Little);
}
public WaveformPcm(RiffWaveRiff aRiffFile)
{
RiffWaveData lRiffWaveData = ( RiffWaveData )aRiffFile.GetChunk(RiffWaveData.ID);
int lPosition = ( int )lRiffWaveData.position;
int lLength = ( int )lRiffWaveData.Size;
RiffWaveFmt_ lRiffWaveFmt_ = ( RiffWaveFmt_ )aRiffFile.GetChunk(RiffWaveFmt_.ID);
int lChannels = lRiffWaveFmt_.channels;
int lSampleRate = ( int )lRiffWaveFmt_.samplesPerSec;
int lSampleBits = lRiffWaveFmt_.bitsPerSample;
int lSamples = lLength / (lSampleBits / 8) / lChannels;
format = new WaweformFormat(lChannels, lSamples, lSampleRate, lSampleBits);
using (FileStream u = new FileStream(aRiffFile.name, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
AByteArray lByteArray = new ByteArrayLittle(u);
data = new WaveformData(format, lByteArray, lPosition);
}
}
public WaveformPcm(FormAiffForm aFormFile)
{
FormAiffSsnd lSsndChunk = ( FormAiffSsnd )aFormFile.GetChunk(FormAiffSsnd.ID);
int lPosition = ( int )(lSsndChunk.position + lSsndChunk.offset + 8);
int lLength = lSsndChunk.dataSize;
FormAiffComm lChunkComm = ( FormAiffComm )aFormFile.GetChunk(FormAiffComm.ID);
int lChannels = lChunkComm.numberOfChannels;
int lSampleRate = ( int )lChunkComm.sampleRate;
int lSampleBits = lChunkComm.bitsPerSamples;
int lSamples = lLength / (lSampleBits / 8) / lChannels;
format = new WaweformFormat(lChannels, lSamples, lSampleRate, lSampleBits);
using (FileStream u = new FileStream(aFormFile.name, FileMode.Open, FileAccess.Read, FileShare.ReadWrite))
{
AByteArray lByteArray = new ByteArrayLittle(u);
data = new WaveformData(format, lByteArray, lPosition);
}
}
