public void Rewind()
{
if (vorbisFile != null)
{
vorbisFile.Dispose();
vorbisFile = null;
}
vorbisFileReader.RewindStreamToBegin();
vorbisFile = new VorbisFile.File();
if (!vorbisFileReader.OpenVorbisFile(vorbisFile))
{
DirectSoundWorld.Warning(string.Format("Creating sound failed \"{0}\".", Name));
return;
}
}
//
unsafe public DirectFileStreamSound(VirtualFileStream stream, bool closeStreamAfterReading,
SoundType soundType, string name, SoundMode mode, out bool initialized)
{
initialized = false;
if (soundType == SoundType.Unknown)
{
if (name != null)
{
soundType = GetSoundTypeByName(name);
}
else
{
soundType = GetSoundTypeByStream(stream);
}
}
if (soundType != SoundType.OGG)
{
DirectSoundWorld.Warning(string.Format(
"Streaming is not supported for \"{0}\" files ({1}).", soundType, name));
return;
}
vorbisFile = new VorbisFile.File();
vorbisFileReader = new VorbisFileReader(stream, closeStreamAfterReading);
if (!vorbisFileReader.OpenVorbisFile(vorbisFile))
{
vorbisFileReader.Dispose();
DirectSoundWorld.Warning(string.Format("Creating sound \"{0}\" failed.", name));
return;
}
int channels;
int frequency;
long numSamples = vorbisFile.pcm_total(-1);
vorbisFile.get_info(-1, out channels, out frequency);
//convert to mono for 3D
if ((int)(mode & SoundMode.Mode3D) != 0 && channels == 2)
{
needConvertToMono = true;
channels = 1;
}
waveFormat = (WAVEFORMATEX *)NativeUtils.Alloc(NativeMemoryAllocationType.SoundAndVideo,
sizeof(WAVEFORMATEX));
NativeUtils.ZeroMemory((IntPtr)waveFormat, sizeof(WAVEFORMATEX));
waveFormat->wFormatTag = DSound.WAVE_FORMAT_PCM;
waveFormat->nChannels = (ushort)channels;
waveFormat->nSamplesPerSec = (uint)frequency;
waveFormat->wBitsPerSample = 16;
waveFormat->nBlockAlign = (ushort)((waveFormat->nChannels * waveFormat->wBitsPerSample) / 8);
waveFormat->nAvgBytesPerSec = waveFormat->nSamplesPerSec * waveFormat->nBlockAlign;
double length = (double)numSamples / (double)frequency;
Init(name, mode, (float)length, channels, frequency);
initialized = true;
}
//
unsafe public DirectFileStreamSound( VirtualFileStream stream, bool closeStreamAfterReading,
SoundType soundType, string name, SoundMode mode, out bool initialized )
{
initialized = false;
if( soundType == SoundType.Unknown )
{
if( name != null )
soundType = GetSoundTypeByName( name );
else
soundType = GetSoundTypeByStream( stream );
}
if( soundType != SoundType.OGG )
{
DirectSoundWorld.Warning( string.Format(
"Streaming is not supported for \"{0}\" files ({1}).", soundType, name ) );
return;
}
vorbisFile = new VorbisFile.File();
vorbisFileReader = new VorbisFileReader( stream, closeStreamAfterReading );
if( !vorbisFileReader.OpenVorbisFile( vorbisFile ) )
{
vorbisFileReader.Dispose();
DirectSoundWorld.Warning( string.Format( "Creating sound \"{0}\" failed.", name ) );
return;
}
int channels;
int frequency;
long numSamples = vorbisFile.pcm_total( -1 );
vorbisFile.get_info( -1, out channels, out frequency );
//convert to mono for 3D
if( (int)( mode & SoundMode.Mode3D ) != 0 && channels == 2 )
{
needConvertToMono = true;
channels = 1;
}
waveFormat = (WAVEFORMATEX*)NativeUtils.Alloc( NativeMemoryAllocationType.SoundAndVideo,
sizeof( WAVEFORMATEX ) );
NativeUtils.ZeroMemory( (IntPtr)waveFormat, sizeof( WAVEFORMATEX ) );
waveFormat->wFormatTag = DSound.WAVE_FORMAT_PCM;
waveFormat->nChannels = (ushort)channels;
waveFormat->nSamplesPerSec = (uint)frequency;
waveFormat->wBitsPerSample = 16;
waveFormat->nBlockAlign = (ushort)( ( waveFormat->nChannels * waveFormat->wBitsPerSample ) / 8 );
waveFormat->nAvgBytesPerSec = waveFormat->nSamplesPerSec * waveFormat->nBlockAlign;
double length = (double)numSamples / (double)frequency;
Init( name, mode, (float)length, channels, frequency );
initialized = true;
}
//
bool LoadSamplesFromStream(VirtualFileStream stream, SoundType soundType,
out int channels, out int frequency, out float timeLength, out string error)
{
channels = 0;
frequency = 0;
timeLength = 0;
error = null;
switch (soundType)
{
case SoundType.OGG:
{
VorbisFileReader vorbisFileReader = new VorbisFileReader(stream, false);
VorbisFile.File vorbisFile = new VorbisFile.File();
if (!vorbisFileReader.OpenVorbisFile(vorbisFile))
{
vorbisFile.Dispose();
vorbisFileReader.Dispose();
error = "Reading failed";
return(false);
}
int numSamples = (int)vorbisFile.pcm_total(-1);
vorbisFile.get_info(-1, out channels, out frequency);
timeLength = (float)vorbisFile.time_total(-1);
int size = numSamples * channels;
int sizeInBytes = size * 2;
soundSamples = new byte[sizeInBytes];
unsafe
{
fixed(byte *pSoundSamples = soundSamples)
{
int samplePos = 0;
while (samplePos < sizeInBytes)
{
int readBytes = vorbisFile.read((IntPtr)(pSoundSamples + samplePos),
sizeInBytes - samplePos, 0, 2, 1, IntPtr.Zero);
if (readBytes <= 0)
{
break;
}
samplePos += readBytes;
}
}
}
vorbisFile.Dispose();
vorbisFileReader.Dispose();
}
return(true);
case SoundType.WAV:
{
int sizeInBytes;
if (!WavLoader.Load(stream, out channels, out frequency, out soundSamples,
out sizeInBytes, out error))
{
return(false);
}
timeLength = (float)(soundSamples.Length / channels / 2) / (float)frequency;
}
return(true);
}
error = "Unknown file type";
return(false);
}
//
bool LoadSamplesFromStream( VirtualFileStream stream, SoundType soundType,
out int channels, out int frequency, out float timeLength, out string error )
{
channels = 0;
frequency = 0;
timeLength = 0;
error = null;
switch( soundType )
{
case SoundType.OGG:
{
VorbisFileReader vorbisFileReader = new VorbisFileReader( stream, false );
VorbisFile.File vorbisFile = new VorbisFile.File();
if( !vorbisFileReader.OpenVorbisFile( vorbisFile ) )
{
vorbisFile.Dispose();
vorbisFileReader.Dispose();
error = "Reading failed";
return false;
}
int numSamples = (int)vorbisFile.pcm_total( -1 );
vorbisFile.get_info( -1, out channels, out frequency );
timeLength = (float)vorbisFile.time_total( -1 );
int size = numSamples * channels;
int sizeInBytes = size * 2;
soundSamples = new byte[ sizeInBytes ];
unsafe
{
fixed( byte* pSoundSamples = soundSamples )
{
int samplePos = 0;
while( samplePos < sizeInBytes )
{
int readBytes = vorbisFile.read( (IntPtr)( pSoundSamples + samplePos ),
sizeInBytes - samplePos, 0, 2, 1, IntPtr.Zero );
if( readBytes <= 0 )
break;
samplePos += readBytes;
}
}
}
vorbisFile.Dispose();
vorbisFileReader.Dispose();
}
return true;
case SoundType.WAV:
{
int sizeInBytes;
if( !WavLoader.Load( stream, out channels, out frequency, out soundSamples,
out sizeInBytes, out error ) )
{
return false;
}
timeLength = (float)( soundSamples.Length / channels / 2 ) / (float)frequency;
}
return true;
}
error = "Unknown file type";
return false;
}