public void SwapBytes( )
{
this.op = ( ushort )EndianHelper.LittleShort(( short )this.op);
this.a = EndianHelper.LittleShort(this.a);
this.b = EndianHelper.LittleShort(this.b);
this.c = EndianHelper.LittleShort(this.c);
}
// ResampleSfx
private void ResampleSfx(SoundEffect_t sfx, int inrate, int inwidth, ByteArraySegment data)
{
var sc = ( SoundEffectCache_t )this.Host.Cache.Check(sfx.cache);
if (sc == null)
{
return;
}
var stepscale = ( float )inrate / this._shm.speed; // this is usually 0.5, 1, or 2
var outcount = ( int )(sc.length / stepscale);
sc.length = outcount;
if (sc.loopstart != -1)
{
sc.loopstart = ( int )(sc.loopstart / stepscale);
}
sc.speed = this._shm.speed;
if (this.Host.Cvars.LoadAs8bit.Get <bool>())
{
sc.width = 1;
}
else
{
sc.width = inwidth;
}
sc.stereo = 0;
sc.data = new byte[outcount * sc.width]; // uze: check this later!!!
// resample / decimate to the current source rate
var src = data.Data;
if (stepscale == 1 && inwidth == 1 && sc.width == 1)
{
// fast special case
for (var i = 0; i < outcount; i++)
{
var v = src[data.StartIndex + i] - 128;
sc.data[i] = ( byte )( sbyte )v; //((signed char *)sc.data)[i] = (int)( (unsigned char)(data[i]) - 128);
}
}
else
{
// general case
var samplefrac = 0;
var fracstep = ( int )(stepscale * 256);
int sample;
var sa = new short[1];
for (var i = 0; i < outcount; i++)
{
var srcsample = samplefrac >> 8;
samplefrac += fracstep;
if (inwidth == 2)
{
Buffer.BlockCopy(src, data.StartIndex + srcsample * 2, sa, 0, 2);
sample = EndianHelper.LittleShort(sa[0]); // ((short *)data)[srcsample] );
}
else
{
sample = ( int )(src[data.StartIndex + srcsample] - 128) << 8;
//sample = (int)( (unsigned char)(data[srcsample]) - 128) << 8;
}
if (sc.width == 2)
{
sa[0] = ( short )sample;
Buffer.BlockCopy(sa, 0, sc.data, i * 2, 2); //((short *)sc->data)[i] = sample;
}
else
{
sc.data[i] = ( byte )( sbyte )(sample >> 8); //((signed char *)sc->data)[i] = sample >> 8;
}
}
}
}
public void SwapBytes( )
{
this.type = ( ushort )EndianHelper.LittleShort(( short )this.type);
this.ofs = ( ushort )EndianHelper.LittleShort(( short )this.ofs);
this.s_name = EndianHelper.LittleLong(this.s_name);
}
