public static void BuildParseCompareAudio(IAudioFormat audio, IAudioWriter writer, IAudioReader reader)
{
byte[] builtFile = writer.GetFile(audio);
IAudioFormat parsedAudio = reader.ReadFormat(builtFile);
Assert.Equal(audio, parsedAudio, new AudioFormatComparer());
}
public static IAudioFormat OpenFile(string path)
{
FileType type = AudioInfo.GetFileTypeFromName(path);
IAudioReader reader = AudioInfo.Containers[type].GetReader();
using (var stream = new FileStream(path, FileMode.Open, FileAccess.Read))
{
return(reader.ReadFormat(stream));
}
}
private void Play()
{
IntPtr format = ar.ReadFormat();
plex.OpenPlayer(format);
byte[] data = ar.ReadData();
plex.AddData(data);
wfv.Assign(format, data);
plex.StartPlay();
state = DeviceState.InProgress;
}
public void Play(IAudioReader wr, AudioEffect af)
{
//string fileName = @"c:\Wint\audio\NAudio-1-3\Source Code\MixDiff\bin\Debug\Windows XP Startup.wav";//1,16,8000.wav//G:\10\mp3\2,16,44100.wav
//WaveReader wr = new WaveReader(File.OpenRead(fileName));
IntPtr format = wr.ReadFormat();
WaveFormat wf1 = AudioCompressionManager.GetWaveFormat(format);
Console.WriteLine("{0},{1},{2}-{3}", wf1.nChannels, wf1.wBitsPerSample, wf1.nSamplesPerSec, wf1.wFormatTag);
byte[] data = wr.ReadData();
if (wf1.wFormatTag != 1)
{
IntPtr formatNew = IntPtr.Zero;
byte[] dataNew = null;
AudioCompressionManager.ToPcm(format, data, ref formatNew, ref dataNew);
format = formatNew;
data = dataNew;
WaveFormat wf2 = AudioCompressionManager.GetWaveFormat(format);
Console.WriteLine("{0},{1},{2}-{3}", wf2.nChannels, wf2.wBitsPerSample, wf2.nSamplesPerSec, wf2.wFormatTag);
}
else if (wf1.wBitsPerSample != 16)
{
WaveFormat wf = AudioCompressionManager.GetWaveFormat(format);
IntPtr formatNew = AudioCompressionManager.GetPcmFormat(wf.nChannels, 16, wf.nSamplesPerSec);
byte[] dataNew = AudioCompressionManager.Convert(format, formatNew, data, false);
format = formatNew;
data = dataNew;
WaveFormat wf2 = AudioCompressionManager.GetWaveFormat(format);
Console.WriteLine("{0},{1},{2}-{3}", wf2.nChannels, wf2.wBitsPerSample, wf2.nSamplesPerSec, wf2.wFormatTag);
}
//wr.Close();
if (af != null)
{
bool hasProcessInPlace = af.HasProcessInPlace;
//af.GetSupportedOutputFormats();
GCHandle src = GCHandle.Alloc(data, GCHandleType.Pinned);
IntPtr formatPtr = src.AddrOfPinnedObject();
bool res = af.ProcessInPlace(format, data);
src.Free();
if (!res)
{
MessageBox.Show("Unable to convert the audio data");
return;
}
}
if (plex.State != DeviceState.Closed)
{
plex.ClosePlayer();
}
Console.WriteLine(plex.State);
plex.OpenPlayer(format);
plex.AddData(data);
plex.StartPlay();
}
private void btnFile2_Click(object sender, EventArgs e)
{
if (ofdFile.ShowDialog(this) == DialogResult.OK)
{
tbFile2.Text = ofdFile.FileName;
int lenExt = 4;
string ext = ofdFile.FileName.Substring(ofdFile.FileName.Length - lenExt,
lenExt).ToLower();
switch (ext)
{
case ".au":
case ".snd":
ar = new AuReader(File.OpenRead(ofdFile.FileName));
break;
case ".wav":
ar = new WaveReader(File.OpenRead(ofdFile.FileName));
break;
case ".avi":
ar = new AviReader(File.OpenRead(ofdFile.FileName));
if (!((AviReader)ar).HasAudio)
{
MessageBox.Show("Avi stream has not audio track");
return;
}
break;
case ".mp3":
ar = new Mp3Reader(File.OpenRead(ofdFile.FileName));
break;
default:
ar = new DsReader(ofdFile.FileName);
if (!((DsReader)ar).HasAudio)
{
MessageBox.Show("DirectShow stream has not audio track");
return;
}
break;
}
oldFormat = ar.ReadFormat();
FormatDetails fd = AudioCompressionManager.GetFormatDetails(oldFormat);
lblFileFormat.Text = string.Format("{0} {1}", AudioCompressionManager.GetFormatTagDetails(fd.FormatTag).FormatTagName, fd.FormatName);
GetFormatsConverted(oldFormat);
gbConvert.Enabled = true;
btnMakeMp3.Enabled = false;
}
}
public void Prepare(IAudioReader wr, AudioEffect af, ref IntPtr format, ref byte[] data)
{
format = wr.ReadFormat();
WaveFormat wf1 = AudioCompressionManager.GetWaveFormat(format);
Console.WriteLine("{0},{1},{2}-{3}", wf1.nChannels, wf1.wBitsPerSample, wf1.nSamplesPerSec, wf1.wFormatTag);
data = wr.ReadData();
if (wf1.wFormatTag != 1)
{
IntPtr formatNew = IntPtr.Zero;
byte[] dataNew = null;
AudioCompressionManager.ToPcm(format, data, ref formatNew, ref dataNew);
format = formatNew;
data = dataNew;
WaveFormat wf2 = AudioCompressionManager.GetWaveFormat(format);
Console.WriteLine("{0},{1},{2}-{3}", wf2.nChannels, wf2.wBitsPerSample, wf2.nSamplesPerSec, wf2.wFormatTag);
}
else if (wf1.wBitsPerSample != 16)
{
WaveFormat wf = AudioCompressionManager.GetWaveFormat(format);
IntPtr formatNew = AudioCompressionManager.GetPcmFormat(wf.nChannels, 16, wf.nSamplesPerSec);
byte[] dataNew = AudioCompressionManager.Convert(format, formatNew, data, false);
format = formatNew;
data = dataNew;
WaveFormat wf2 = AudioCompressionManager.GetWaveFormat(format);
Console.WriteLine("{0},{1},{2}-{3}", wf2.nChannels, wf2.wBitsPerSample, wf2.nSamplesPerSec, wf2.wFormatTag);
}
//wr.Close();
if (af != null)
{
bool hasProcessInPlace = af.HasProcessInPlace;
//af.GetSupportedOutputFormats();
GCHandle src = GCHandle.Alloc(data, GCHandleType.Pinned);
IntPtr formatPtr = src.AddrOfPinnedObject();
bool res = af.ProcessInPlace(format, data);
src.Free();
if (!res)
{
MessageBox.Show("Unable to convert the audio data");
return;
}
}
}
private void btnFile2_Click(object sender, EventArgs e)
{
if (ofdFile.ShowDialog(this) == DialogResult.OK)
{
tbFile2.Text = ofdFile.FileName;
int lenExt = 4;
string ext = ofdFile.FileName.Substring(ofdFile.FileName.Length - lenExt,
lenExt).ToLower();
switch (ext)
{
case ".au":
case ".snd":
ar = new AuReader(File.OpenRead(ofdFile.FileName));
break;
case ".wav":
ar = new WaveReader(File.OpenRead(ofdFile.FileName));
break;
case ".avi" :
ar = new AviReader(File.OpenRead(ofdFile.FileName));
if (!((AviReader)ar).HasAudio)
{
MessageBox.Show("Avi stream has not audio track");
return;
}
break;
case ".mp3" :
ar = new Mp3Reader(File.OpenRead(ofdFile.FileName));
break;
default:
ar = new DsReader(ofdFile.FileName);
if (!((DsReader)ar).HasAudio)
{
MessageBox.Show("DirectShow stream has not audio track");
return;
}
break;
}
oldFormat = ar.ReadFormat();
FormatDetails fd = AudioCompressionManager.GetFormatDetails(oldFormat);
lblFileFormat.Text = string.Format("{0} {1}", AudioCompressionManager.GetFormatTagDetails(fd.FormatTag).FormatTagName, fd.FormatName);
GetFormatsConverted(oldFormat);
gbConvert.Enabled = true;
btnMakeMp3.Enabled = false;
}
}
