private static Task <byte[]> CompressWav(this byte[] wav)
{
var task = Task.Run(() =>
{
try
{
using (var ms = new MemoryStream(wav))
{
using (var reader = new WaveFileReader(ms))
{
var newFormat = new WaveFormat(8000, 16, 1);
using (var conversionStream = new WaveFormatConversionStream(newFormat, reader))
{
using (var outms = new MemoryStream())
{
using (var writer = new LameMP3FileWriter(outms, conversionStream.WaveFormat, 24, null))
{
conversionStream.CopyTo(writer);
return(outms.ToArray());
}
}
}
}
}
}
catch (Exception ex)
{
throw;
}
});
return(task);
}
private static byte[] ConvertWavTo16000Hz16BitMonoWav(byte[] inArray)
{
{
using (var mem = new MemoryStream(inArray))
{
using (var reader = new WaveFileReader(mem))
{
using (var converter = WaveFormatConversionStream.CreatePcmStream(reader))
{
using (var upsampler = new WaveFormatConversionStream(new WaveFormat(16000, 16, 1), converter))
{
byte[] data;
using (var m = new MemoryStream())
{
upsampler.CopyTo(m);
data = m.ToArray();
}
using (var m = new MemoryStream())
{
// to create a propper WAV header (44 bytes), which begins with RIFF
var w = new WaveFileWriter(m, upsampler.WaveFormat);
// append WAV data body
w.Write(data, 0, data.Length);
w.Dispose();
return(m.ToArray());
}
}
}
}
}
}
}
public static byte[] EncodeCwav(byte[] wavData)
{
if (!ThirdPartyTools.CtrWaveConveter.Present)
{
return(EmptyData);
}
using (var sourceStream = new MemoryStream(wavData))
//
using (var tempBcwav = new TempFile("bcwav"))
using (var tempWav = new TempFile("wav"))
//
{
using (var tempWavStream = File.Open(tempWav.FilePath, FileMode.Create))
{
if (Settings.Default.EXP_ResampleWav)
{
var nwf = new WaveFormat(22050, 8, 1); //22Khz Mono PCM8
var wr = new WaveFileReader(sourceStream);
var conv = new WaveFormatConversionStream(nwf, wr);
conv.CopyTo(tempWavStream);
}
else
{
sourceStream.CopyTo(tempWavStream);
}
tempWavStream.Flush(true);
}
try
{
var psi = new ProcessStartInfo
{
UseShellExecute = false,
CreateNoWindow = true,
WindowStyle = ProcessWindowStyle.Hidden,
FileName = ThirdPartyTools.CtrWaveConveter.Path,
Arguments = $"-o \"{tempBcwav.FilePath}\" \"{tempWav.FilePath}\""
};
var process = Process.Start(psi);
process.WaitForExit();
using (var tempBcwavStream
= File.Open(tempBcwav.FilePath, FileMode.Open))
{
byte[] converted = new byte[tempBcwavStream.Length];
tempBcwavStream.Read(converted, 0, converted.Length);
return(converted);
}
}
catch
{
return(EmptyData);
}
}
}
byte[] ConvertToMp3(MemoryStream file)
{
var mem = new MemoryStream(file.ToArray());
var target = new WaveFormat(8000, 16, 1);
using (var outPutStream = new MemoryStream())
using (var waveStream = new WaveFileReader(mem))
using (var conversionStream = new WaveFormatConversionStream(target, waveStream))
using (var writer = new LameMP3FileWriter(outPutStream, conversionStream.WaveFormat, 32, null))
{
conversionStream.CopyTo(writer);
return(outPutStream.ToArray());
}
}
private void speakFile(string path, int volume)
{
if (voiceStream == null)
{
voiceStream = audioClient.CreatePCMStream(AudioApplication.Voice, 128 * 1024);
}
try {
WaveFileReader wav = new WaveFileReader(path);
WaveFormat waveFormat = new WaveFormat(48000, 16, 2);
WaveStream pcm = WaveFormatConversionStream.CreatePcmStream(wav);
WaveFormatConversionStream output = new WaveFormatConversionStream(waveFormat, pcm);
output.CopyTo(voiceStream);
voiceStream.Flush();
} catch (Exception ex) {
logBox.AppendText("Unable to read file.\n" + ex.Message + "\n");
}
}
public static void SpeakFile(string path)
{
lock (speaklock) {
if (voiceStream == null)
{
voiceStream = audioClient.CreatePCMStream(AudioApplication.Voice, 128 * 1024);
}
try {
WaveFileReader wav = new WaveFileReader(path);
WaveFormat waveFormat = new WaveFormat(48000, 16, 2);
WaveStream pcm = WaveFormatConversionStream.CreatePcmStream(wav);
WaveFormatConversionStream output = new WaveFormatConversionStream(waveFormat, pcm);
output.CopyTo(voiceStream);
voiceStream.Flush();
} catch (Exception ex) {
Log?.Invoke("Unable to read file: " + ex.Message);
}
}
}