public WaveFile(WAVEFORMATEX format)
{
WaveHeader = new WAVEHEADER();
WaveHeader.dwRiff = BitConverter.ToUInt32(RIFF, 0);
WaveHeader.dwWave = BitConverter.ToUInt32(WAVE, 0);
WaveHeader.dwFmt = BitConverter.ToUInt32(fmt, 0);
WaveFormatEx = format;
}
public WaveFile(WAVEFORMATEX format)
{
WaveHeader = new WAVEHEADER();
WaveHeader.dwRiff = BitConverter.ToUInt32(RIFF, 0);
WaveHeader.dwWave = BitConverter.ToUInt32(WAVE, 0);
WaveHeader.dwFmt = BitConverter.ToUInt32(fmt, 0);
WaveFormatEx = format;
}
public MediaFoundationAudioWriter(MF.SinkWriter sinkWriter, ref WAVEFORMATEX waveFormat, int desiredBitRate = 192000)
{
var sharpWf = waveFormat.ToSharpDX();
// Information on configuring an AAC media type can be found here:
// http://msdn.microsoft.com/en-gb/library/windows/desktop/dd742785%28v=vs.85%29.aspx
var outputMediaType = SelectMediaType(AudioFormat, sharpWf, desiredBitRate);
if (outputMediaType == null)
{
throw new InvalidOperationException("No suitable encoders available");
}
var inputMediaType = new MF.MediaType();
var size = 18 + sharpWf.ExtraSize;
sinkWriter.AddStream(outputMediaType, out streamIndex);
MF.MediaFactory.InitMediaTypeFromWaveFormatEx(inputMediaType, new[] { sharpWf }, size);
sinkWriter.SetInputMediaType(streamIndex, inputMediaType, null);
}
public AACAudioWriter(MF.SinkWriter sinkWriter, ref WAVEFORMATEX waveFormat, int desiredBitRate = 192000)
: base(sinkWriter, ref waveFormat, desiredBitRate)
{
}
public MP3AudioWriter(MF.SinkWriter sinkWriter, ref WAVEFORMATEX waveFormat, int desiredBitRate = 192000)
: base(sinkWriter, ref waveFormat, desiredBitRate)
{
}
public MediaFoundationAudioWriter(MF.SinkWriter sinkWriter, ref WAVEFORMATEX waveFormat, int desiredBitRate = 192000)
{
var sharpWf = waveFormat.ToSharpDX();
// Information on configuring an AAC media type can be found here:
// http://msdn.microsoft.com/en-gb/library/windows/desktop/dd742785%28v=vs.85%29.aspx
var outputMediaType = SelectMediaType(AudioFormat, sharpWf, desiredBitRate);
if (outputMediaType == null) throw new InvalidOperationException("No suitable encoders available");
var inputMediaType = new MF.MediaType();
var size = 18 + sharpWf.ExtraSize;
sinkWriter.AddStream(outputMediaType, out streamIndex);
MF.MediaFactory.InitMediaTypeFromWaveFormatEx(inputMediaType, new[] { sharpWf }, size);
sinkWriter.SetInputMediaType(streamIndex, inputMediaType, null);
}
