internal void PlayWaveFile(AudioData audio)
{
try
{
if (!string.IsNullOrEmpty(audio._mimeType))
{
WAVEFORMATEX wAVEFORMATEX = default(WAVEFORMATEX);
wAVEFORMATEX.nChannels = 1;
wAVEFORMATEX.nSamplesPerSec = 8000;
wAVEFORMATEX.nAvgBytesPerSec = 8000;
wAVEFORMATEX.nBlockAlign = 1;
wAVEFORMATEX.wBitsPerSample = 8;
wAVEFORMATEX.cbSize = 0;
string mimeType = audio._mimeType;
if (!(mimeType == "audio/basic"))
{
if (!(mimeType == "audio/x-alaw-basic"))
{
throw new FormatException(SR.Get(SRID.UnknownMimeFormat));
}
wAVEFORMATEX.wFormatTag = 6;
}
else
{
wAVEFORMATEX.wFormatTag = 7;
}
Begin(wAVEFORMATEX.ToBytes());
try
{
byte[] array = new byte[(int)audio._stream.Length];
audio._stream.Read(array, 0, array.Length);
Play(array);
}
finally
{
WaitUntilDone();
End();
}
}
else
{
BinaryReader binaryReader = new BinaryReader(audio._stream);
try
{
byte[] waveFormat = GetWaveFormat(binaryReader);
if (waveFormat == null)
{
throw new FormatException(SR.Get(SRID.NotValidAudioFile, audio._uri.ToString()));
}
Begin(waveFormat);
try
{
while (true)
{
DATAHDR dATAHDR = default(DATAHDR);
if (audio._stream.Position + 8 >= audio._stream.Length)
{
break;
}
dATAHDR._id = binaryReader.ReadUInt32();
dATAHDR._len = binaryReader.ReadInt32();
if (dATAHDR._id == 1635017060)
{
byte[] buffer = Helpers.ReadStreamToByteArray(audio._stream, dATAHDR._len);
Play(buffer);
}
else
{
audio._stream.Seek(dATAHDR._len, SeekOrigin.Current);
}
}
}
finally
{
WaitUntilDone();
End();
}
}
finally
{
((IDisposable)binaryReader).Dispose();
}
}
}
finally
{
audio.Dispose();
}
}
internal void PlayWaveFile(AudioData audio)
{
// allocate some memory for the largest header
try
{
// Fake a header for ALaw and ULaw
if (!string.IsNullOrEmpty(audio._mimeType))
{
WAVEFORMATEX wfx = new();
wfx.nChannels = 1;
wfx.nSamplesPerSec = 8000;
wfx.nAvgBytesPerSec = 8000;
wfx.nBlockAlign = 1;
wfx.wBitsPerSample = 8;
wfx.cbSize = 0;
switch (audio._mimeType)
{
case "audio/basic":
wfx.wFormatTag = (short)AudioFormat.EncodingFormat.ULaw;
break;
case "audio/x-alaw-basic":
wfx.wFormatTag = (short)AudioFormat.EncodingFormat.ALaw;
break;
default:
throw new FormatException(SR.Get(SRID.UnknownMimeFormat));
}
Begin(wfx.ToBytes());
try
{
byte[] data = new byte[(int)audio._stream.Length];
audio._stream.Read(data, 0, data.Length);
Play(data);
}
finally
{
WaitUntilDone();
End();
}
}
else
{
BinaryReader br = new(audio._stream);
try
{
byte[] wfx = GetWaveFormat(br);
if (wfx == null)
{
throw new FormatException(SR.Get(SRID.NotValidAudioFile, audio._uri.ToString()));
}
Begin(wfx);
try
{
while (true)
{
DATAHDR dataHdr = new();
// check for the end of file (+8 for the 2 DWORD)
if (audio._stream.Position + 8 >= audio._stream.Length)
{
break;
}
dataHdr._id = br.ReadUInt32();
dataHdr._len = br.ReadInt32();
// Is this the WAVE data?
if (dataHdr._id == DATA_MARKER)
{
byte[] ab = Helpers.ReadStreamToByteArray(audio._stream, dataHdr._len);
Play(ab);
}
else
{
// Skip this RIFF fragment.
audio._stream.Seek(dataHdr._len, SeekOrigin.Current);
}
}
}
finally
{
WaitUntilDone();
End();
}
}
finally
{
((IDisposable)br).Dispose();
}
}
}
finally
{
audio.Dispose();
}
}