public void Dispose()
{
if (RiffSource != null)
{
RiffSource.Dispose();
}
RiffSource = null;
}
public void Load(Stream stream)
{
try
{
RiffSource = null;
var rm = new RiffMaster();
rm.LoadStream(stream);
RiffSource = rm;
//analyze the file to make sure its an OK wave file
if (rm.riff.type != "WAVE")
{
throw new Blob_WaveFile_Exception("Not a RIFF WAVE file");
}
var fmt = rm.riff.subchunks.FirstOrDefault(chunk => chunk.tag == "fmt ") as RiffMaster.RiffSubchunk_fmt;
if (fmt == null)
{
throw new Blob_WaveFile_Exception("Not a valid RIFF WAVE file (missing fmt chunk");
}
if (1 != rm.riff.subchunks.Count(chunk => chunk.tag == "data"))
{
//later, we could make a Stream which would make an index of data chunks and walk around them
throw new Blob_WaveFile_Exception("Multi-data-chunk WAVE files not supported");
}
if (fmt.format_tag != RiffMaster.RiffSubchunk_fmt.FORMAT_TAG.WAVE_FORMAT_PCM)
{
throw new Blob_WaveFile_Exception("Not a valid PCM WAVE file (only PCM is supported)");
}
if (fmt.channels != 2 || fmt.bitsPerSample != 16 || fmt.samplesPerSec != 44100)
{
throw new Blob_WaveFile_Exception("Not a CDA format WAVE file (conversion not yet supported)");
}
//acquire the start of the data chunk
var dataChunk = rm.riff.subchunks.FirstOrDefault(chunk => chunk.tag == "data") as RiffMaster.RiffSubchunk;
waveDataStreamPos = dataChunk.Position;
mDataLength = dataChunk.Length;
}
catch
{
Dispose();
throw;
}
}
public void Load(Stream stream)
{
try
{
RiffSource = null;
var rm = new RiffMaster();
rm.LoadStream(stream);
RiffSource = rm;
//analyze the file to make sure its an OK wave file
if (rm.riff.type != "WAVE")
{
throw new Blob_WaveFile_Exception("Not a RIFF WAVE file");
}
var fmt = rm.riff.subchunks.FirstOrDefault(chunk => chunk.tag == "fmt ") as RiffMaster.RiffSubchunk_fmt;
if (fmt == null)
{
throw new Blob_WaveFile_Exception("Not a valid RIFF WAVE file (missing fmt chunk");
}
if (1 != rm.riff.subchunks.Count(chunk => chunk.tag == "data"))
{
//later, we could make a Stream which would make an index of data chunks and walk around them
throw new Blob_WaveFile_Exception("Multi-data-chunk WAVE files not supported");
}
if (fmt.format_tag != RiffMaster.RiffSubchunk_fmt.FORMAT_TAG.WAVE_FORMAT_PCM)
{
throw new Blob_WaveFile_Exception("Not a valid PCM WAVE file (only PCM is supported)");
}
if (fmt.channels != 2 || fmt.bitsPerSample != 16 || fmt.samplesPerSec != 44100)
{
throw new Blob_WaveFile_Exception("Not a CDA format WAVE file (conversion not yet supported)");
}
//acquire the start of the data chunk
var dataChunk = rm.riff.subchunks.FirstOrDefault(chunk => chunk.tag == "data") as RiffMaster.RiffSubchunk;
waveDataStreamPos = dataChunk.Position;
mDataLength = dataChunk.Length;
}
catch
{
Dispose();
throw;
}
}
public void Dispose()
{
if (RiffSource != null)
RiffSource.Dispose();
RiffSource = null;
}
public void Dispose()
{
RiffSource?.Dispose();
RiffSource = null;
}
