// --[ Method ]---------------------------------------------------------------
//
// - Class : CSoundStream
// - prototype : bool GetVolume(float* pfPercentage) const
//
// - Purpose : Gets the current sound stream volume (percentage).
//
// -----------------------------------------------------------------------------
bool CSoundStream::GetVolume(float* pfPercentage) const
{
if(!IsValid())
{
return false;
}
DWORD vol;
BASS_ChannelGetAttributes(m_handle, NULL, &vol, NULL);
if(vol == -1)
{
return false;
}
*pfPercentage = (float)vol;
return true;
}
void main(int argc, char **argv)
{
BUFSTUFF b,b2;
BASS_3DVECTOR p={0,0,0};
printf("BASS 2 stereo channels on 4 speakers example : MOD/MPx/OGG/WAV\n"
"--------------------------------------------------------------\n"
" Set your soundcard's output to 4 or 5.1 speakers\n");
/* check that BASS 1.6 was loaded */
if (BASS_GetVersion()!=MAKELONG(1,6)) {
printf("BASS version 1.6 was not loaded\n");
return;
}
if (argc!=3) {
printf("\tusage: 4speaker <file1> <file2>\n");
return;
}
/* setup output - default device, 44100hz, stereo, 16 bits */
if (!BASS_Init(-1,44100,BASS_DEVICE_3D,0))
Error("Can't initialize device");
/* try initializing the 1st (front) file */
if (!(b.dstr=BASS_StreamCreateFile(FALSE,argv[1],0,0,BASS_STREAM_DECODE)))
if (!(b.dstr=BASS_MusicLoad(FALSE,argv[1],0,0,BASS_MUSIC_DECODE|BASS_MUSIC_RAMPS)))
Error("Can't play the 1st file");
if (BASS_ChannelGetFlags(b.dstr)&BASS_SAMPLE_MONO)
Error("The 1st stream is mono!");
/* try initializing the 2nd (rear) file */
if (!(b2.dstr=BASS_StreamCreateFile(FALSE,argv[2],0,0,BASS_STREAM_DECODE)))
if (!(b2.dstr=BASS_MusicLoad(FALSE,argv[2],0,0,BASS_MUSIC_DECODE|BASS_MUSIC_RAMPS)))
Error("Can't play the 2nd file");
if (BASS_ChannelGetFlags(b2.dstr)&BASS_SAMPLE_MONO)
Error("The 2nd stream is mono!");
printf("front : %s\n",argv[1]);
printf("rear : %s\n",argv[2]);
/* Get sample rates and allocate buffers */
BASS_ChannelGetAttributes(b.dstr,&b.freq,0,0);
b.buf=malloc(b.freq*4); // 1 sec buffer
BASS_ChannelGetAttributes(b2.dstr,&b2.freq,0,0);
b2.buf=malloc(b2.freq*4); // 1 sec buffer
/* Create streams to play the 1st decoded data, and link them */
b.lstr=BASS_StreamCreate(b.freq,BASS_SAMPLE_MONO|BASS_SAMPLE_3D,(STREAMPROC*)&stream_left,(DWORD)&b);
b.rstr=BASS_StreamCreate(b.freq,BASS_SAMPLE_MONO|BASS_SAMPLE_3D,(STREAMPROC*)&stream_right,(DWORD)&b);
BASS_ChannelSetLink(b.lstr,b.rstr);
/* Create streams to play the 2nd decoded data, and link them */
b2.lstr=BASS_StreamCreate(b2.freq,BASS_SAMPLE_MONO|BASS_SAMPLE_3D,(STREAMPROC*)&stream_left,(DWORD)&b2);
b2.rstr=BASS_StreamCreate(b2.freq,BASS_SAMPLE_MONO|BASS_SAMPLE_3D,(STREAMPROC*)&stream_right,(DWORD)&b2);
BASS_ChannelSetLink(b2.lstr,b2.rstr);
/* position the streams */
p.z=3; // front
p.x=-1.5; // left
BASS_ChannelSet3DPosition(b.lstr,&p,0,0);
p.x=1.5; // right
BASS_ChannelSet3DPosition(b.rstr,&p,0,0);
p.z=-3; // rear
p.x=-1.5; // left
BASS_ChannelSet3DPosition(b2.lstr,&p,0,0);
p.x=1.5; // right
BASS_ChannelSet3DPosition(b2.rstr,&p,0,0);
BASS_Apply3D();
BASS_Start();
/* start it! */
b.writepos=b.readposl=b.readposr=0;
BASS_StreamPlay(b.lstr,FALSE,0); // start front
b2.writepos=b2.readposl=b2.readposr=0;
BASS_StreamPlay(b2.lstr,FALSE,0); // start rear
while (!_kbhit() && (BASS_ChannelIsActive(b.lstr) || BASS_ChannelIsActive(b2.lstr))) {
/* display some stuff and wait a bit */
printf("pos %09I64d %09I64d - cpu %.1f%% \r",
BASS_ChannelGetPosition(b.lstr)*2,BASS_ChannelGetPosition(b2.lstr)*2,BASS_GetCPU());
Sleep(50);
}
BASS_Free();
free(b.buf);
}
