long GetSampleSize(){
long bytearraylength = 0;
// Lets calculate how big the bytearray must be...
ResetSample(false);
playing_sample=true;
while(playing_sample)
bytearraylength += CalcSampleSize(256);
return bytearraylength;
}
//-----------------------------------------------------------------------------
// Purpose: Create an approprite mixer type given the data format
// Input : *data - data access abstraction
// format - pcm or adpcm (1 or 2 -- RIFF format)
// channels - number of audio channels (1 = mono, 2 = stereo)
// bits - bits per sample
// Output : CAudioMixer * abstract mixer type that maps mixing to appropriate code
//-----------------------------------------------------------------------------
CAudioMixer *CreateWaveMixer( IWaveData *data, int format, int channels, int bits, int initialStreamPosition )
{
CAudioMixer *pMixer = NULL;
if ( format == WAVE_FORMAT_PCM )
{
if ( channels > 1 )
{
if ( bits == 8 )
pMixer = new CAudioMixerWave8Stereo( data );
else
pMixer = new CAudioMixerWave16Stereo( data );
}
else
{
if ( bits == 8 )
pMixer = new CAudioMixerWave8Mono( data );
else
pMixer = new CAudioMixerWave16Mono( data );
}
}
else if ( format == WAVE_FORMAT_ADPCM )
{
return CreateADPCMMixer( data );
}
#if defined( _X360 )
else if ( format == WAVE_FORMAT_XMA )
{
return CreateXMAMixer( data, initialStreamPosition );
}
#endif
else
{
// unsupported format or wav file missing!!!
return NULL;
}
if ( pMixer )
{
Assert( CalcSampleSize(bits, channels) == pMixer->GetMixSampleSize() );
}
else
{
Assert( 0 );
}
return pMixer;
}
virtual int GetMixSampleSize() { return CalcSampleSize(16, 2); }
virtual int GetMixSampleSize() { return CalcSampleSize(8, 1); }
virtual int GetMixSampleSize() { return CalcSampleSize( 16, NumChannels() ); }
