// Conversion extracted from the sample voice_synthesis.cs (RSSDK\framework\CSharp\voice_synthesis.cs)
// To understand a little bit more about the WAV file format, acess the following links:
// - http://www-mmsp.ece.mcgill.ca/documents/AudioFormats/WAVE/WAVE.html
// - http://www.sonicspot.com/guide/wavefiles.html
public static void Play(PXCMAudio.AudioData audioData, PXCMAudio.AudioInfo audioInfo)
{
using (var memoryStream = new MemoryStream()) {
using (var bw = new BinaryWriter(memoryStream)) {
bw.Write(0x46464952); // chunkIdRiff:'FFIR'
bw.Write(0); // chunkDataSizeRiff
bw.Write(0x45564157); // riffType:'EVAW'
bw.Write(0x20746d66); // chunkIdFmt:' tmf'
bw.Write(0x12); // chunkDataSizeFmt
bw.Write((short)1); // compressionCode
bw.Write((short)audioInfo.nchannels); // numberOfChannels
bw.Write(audioInfo.sampleRate); // sampleRate
bw.Write(audioInfo.sampleRate * 2 * audioInfo.nchannels); // averageBytesPerSecond
bw.Write((short)(audioInfo.nchannels * 2)); // blockAlign
bw.Write((short)16); // significantBitsPerSample
bw.Write((short)0); // extraFormatSize
bw.Write(0x61746164); // chunkIdData:'atad'
bw.Write(0); // chunkIdSizeData
bw.Write(audioData.ToByteArray());
long pos = bw.Seek(0, SeekOrigin.Current);
bw.Seek(0x2a, SeekOrigin.Begin); // chunkDataSizeData
bw.Write((int)(pos - 46));
bw.Seek(0x04, SeekOrigin.Begin); // chunkDataSizeRiff
bw.Write((int)(pos - 8));
bw.Seek(0, SeekOrigin.Begin);
using (var soundPlayer = new SoundPlayer(memoryStream)) {
soundPlayer.PlaySync();
}
}
}
}
public int abc(Byte[] databuff, int index, PXCMAudio.AudioInfo audioinfo)
{
PXCMAudio.AudioInfo ainfo = new PXCMAudio.AudioInfo()
{
bufferSize = 8820, // max number of bytes
format = PXCMAudio.AudioFormat.AUDIO_FORMAT_PCM, // audio sample format
sampleRate = 44100, // sampling rate in Hz
nchannels = 2, // number of channels
};
PXCMAudio audio = session.CreateAudio(ainfo);
if (audio == null)
{
Debug.Log("RSSDK: CreateAudio error !");
return(0);
}
audioinfo = audio.QueryInfo();
PXCMAudio.AudioData data;
int num_samples = 0;
audio.AcquireAccess(PXCMAudio.Access.ACCESS_READ, out data);
data.ToByteArray().CopyTo(databuff, (long)index);
num_samples = (int)(data.dataSize);
audio.ReleaseAccess(data);
audio.Dispose();
return(num_samples);
}
public VoiceOut(PXCMAudio.AudioInfo ainfo)
{
fs = new MemoryStream();
bw = new BinaryWriter(fs);
bw.Write((int)0x46464952); // chunkIdRiff:'FFIR'
bw.Write((int)0); // chunkDataSizeRiff
bw.Write((int)0x45564157); // riffType:'EVAW'
bw.Write((int)0x20746d66); // chunkIdFmt:' tmf'
bw.Write((int)0x12); // chunkDataSizeFmt
bw.Write((short)1); // compressionCode
bw.Write((short)ainfo.nchannels); // numberOfChannels
bw.Write((int)ainfo.sampleRate); // sampleRate
bw.Write((int)(ainfo.sampleRate * 2 * ainfo.nchannels)); // averageBytesPerSecond
bw.Write((short)(ainfo.nchannels * 2)); // blockAlign
bw.Write((short)16); // significantBitsPerSample
bw.Write((short)0); // extraFormatSize
bw.Write((int)0x61746164); // chunkIdData:'atad'
bw.Write((int)0); // chunkIdSizeData
}
