public void DataChunkHeader()
{
using (var input = Helper.GetAudioStream())
{
var reader = new WavReader(input);
var chunkHeader = reader.ReadChunkHeader();
Assert.AreEqual(WavConst.Data, chunkHeader.ChunkId, "ChunkID");
Assert.AreEqual(65938, chunkHeader.ChunkLength, "ChunkLength");
}
}
public void FllrChunkHeader()
{
using (var input = Helper.GetAudioStream())
{
var reader = new WavReader(input);
var chunkHeader = reader.ReadChunkHeader(skipFllr: false);
Assert.AreEqual(WavConst.Fllr, chunkHeader.ChunkId, "ChunkID");
Assert.AreEqual(4044, chunkHeader.ChunkLength, "ChunkLength");
}
}
public async Task Copy()
{
var input = GetType().Assembly.GetManifestResourceStream("WavSplitterTest.Resources.source.wav");
var path = Path.Combine(TestContext.CurrentContext.TestDirectory, "copy.wav");
var output = new FileStream(path, FileMode.OpenOrCreate, FileAccess.Write, FileShare.Write);
var reader = new WavReader(input);
var writer = new WavWriter(output, reader.Header);
var fllr = reader.ReadChunkHeader(skipFllr: false);
writer.SetCurrentChunkId(fllr.ChunkId);
var bytes = new byte[fllr.ChunkLength];
await reader.ReadDataChunk(bytes);
await writer.Write(bytes, 0, bytes.Length);
writer.Flush();
Assert.AreEqual(input.Position, output.Position, "First chunk test");
Assert.AreEqual(fllr.ChunkLength, writer.LastDataChunkLength);
var data = reader.ReadChunkHeader(skipFllr: false);
bytes = new byte[data.ChunkLength];
await reader.ReadDataChunk(bytes);
writer.StartNewDataChunk(data.ChunkId);
await writer.Write(bytes, 0, bytes.Length);
writer.Flush();
Assert.IsFalse(reader.HasMore);
Assert.AreEqual(input.Position, output.Position, "Second chunk test");
Assert.AreEqual(data.ChunkLength, writer.LastDataChunkLength);
}
public async Task ReadToEnd()
{
using (var input = Helper.GetAudioStream())
{
var reader = new WavReader(input);
var chunkHeader = reader.ReadChunkHeader();
var buffer = new byte[chunkHeader.ChunkLength];
var count = await reader.ReadDataChunk(buffer);
Assert.AreEqual(count, buffer.Length, "buffer.Length");
Assert.AreEqual(false, reader.HasMore, "reader.HasMore");
}
}
public async Task FlushUpdatesSizes()
{
WavHeader header = GetHeader();
using (var memory = new MemoryStream())
{
var writer = new WavWriter(memory, header);
var data = new byte[12];
await writer.Write(data, 0, data.Length);
writer.Flush();
// read data, that has been written above
memory.Position = 0;
var reader = new WavReader(memory);
var h = reader.ReadChunkHeader();
Assert.AreEqual(WavHeader.Size + WavChunkHeader.Size - 8 + data.Length, reader.Header.FileSize);
Assert.AreEqual(data.Length, h.ChunkLength);
}
}
