int __declspec(dllexport) DLL_FillBuffer(int gym, char* szBuffer)
{
WaitForSingleObject(hMutex,INFINITE);
GYMSong* song = (GYMSong*)gym;
Seg_L = song->Seg_L;
Seg_R = song->Seg_R;
YM2612 = song->YM2612;
PSG = song->PSG;
song->gymPos = Play_GYM(szBuffer,song->gymStart,song->gymPos,song->gymSize,0);
song->YM2612 = YM2612;
song->PSG = PSG;
ReleaseMutex(hMutex);
if (!song->gymPos)
return 0;
return 1;
}
int input_gym::get_samples_pcm(void ** buffer,int * size,int * srate,int * bps,int * nch)
{
*srate = playingSampleRate;
*bps = 16;
*nch = 2;
// oslDebug("%x %x %x %x %x", sample_buffer.get_ptr(), gym_start, gym_pos, gym_size, gym_loop);
unsigned char *new_gym_pos = Play_GYM(sample_buffer.get_ptr(), gym_start, gym_pos, gym_size, gym_loop);
// oslDebug("%x %x %x %x %x", sample_buffer.get_ptr(), gym_start, gym_pos, gym_size, gym_loop);
if (new_gym_pos == 0 || (gym_length_with_fade > 0 && gym_pos_ms > gym_length_with_fade))
{
return 0;
}
gym_pos_ms += fnum(1000.0) / fnum(60.0);
gym_pos = new_gym_pos;
if (gym_loop && gym_length > 0 && gym_pos_ms > gym_length)
{
// this isn't as precise as it could be as it's not taking position
// within this update into account but it's unlikely one will notice the
// ramp down in volume in 60th-second-long steps
short *foo = (short*)sample_buffer.get_ptr();
int fade_pos = (int)(gym_length_with_fade - gym_pos_ms);;
for (int n = 0; n < Seg_Lenght << 2; n++)
{
*foo = *foo;
foo++;
// *foo++ = MulDiv(*foo, fade_pos, cfg_fade_length * 1000);
}
}
*buffer = sample_buffer.get_ptr();
*size = Seg_Lenght << 2;
return 1;
}