// --[ 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); }