private List <WaveFileChunk> ReadChunks(Stream stream)
{
var chunks = new List <WaveFileChunk>(2);
do
{
var tmp = WaveFileChunk.FromStream(stream);
chunks.Add(tmp);
var fmtChunk = tmp as FmtChunk;
if (fmtChunk != null)
{
_waveFormat = fmtChunk.WaveFormat;
}
else
{
// One tricky thing about RIFF file chunks is that they must be word aligned.
// This means that their total size must be a multiple of 2 bytes (ie. 2, 4, 6, 8, and so on).
// If a chunk contains an odd number of data bytes, causing it not to be word aligned,
// an extra padding byte with a value of zero must follow the last data byte.
// This extra padding byte is not counted in the chunk size, therefore a program must always
// word align a chunk headers size value in order to calculate the offset of the following chunk.
// ensure the text size is word aligned (2 bytes)
var wordAlignedChunkSize = tmp.ChunkDataSize + tmp.ChunkDataSize % 2;
stream.Seek(wordAlignedChunkSize, SeekOrigin.Current);
}
} while (stream.Length - stream.Position > 8); //8 bytes = size of chunk header
return(chunks);
}
private List <WaveFileChunk> ReadChunks(Stream stream)
{
var chunks = new List <WaveFileChunk>(2);
do
{
var tmp = WaveFileChunk.FromStream(stream);
chunks.Add(tmp);
var fmtChunk = tmp as FmtChunk;
if (fmtChunk != null)
{
_waveFormat = fmtChunk.WaveFormat;
}
else if (tmp is DataChunk)
{
stream.Position += tmp.ChunkDataSize;
}
} while (stream.Length - stream.Position > 8); //8 bytes = size of chunk header
return(chunks);
}
private List <WaveFileChunk> ReadChunks(Stream stream)
{
List <WaveFileChunk> chunks = new List <WaveFileChunk>();
WaveFileChunk tmp;
do
{
tmp = WaveFileChunk.FromStream(stream);
chunks.Add(tmp);
if (tmp is FMTChunk)
{
_waveFormat = (tmp as FMTChunk).WaveFormat;
}
else if (!(tmp is DataChunk))
{
stream.Position += tmp.ChunkDataSize;
}
} while (!(tmp is DataChunk));
_dataInitPosition = stream.Position;
return(chunks);
}
