// show the approximate position in MM:SS format
void UpdatePositionLabel(void)
{
if(!BASS_FX_TempoGetRateRatio(chan)) return;
{
char c[30];
float totalsec=(float)MESS(IDC_POS,TBM_GETRANGEMAX,0,0)/BASS_FX_TempoGetRateRatio(chan);
float posec=(float)MESS(IDC_POS,TBM_GETPOS,0,0)/BASS_FX_TempoGetRateRatio(chan);
sprintf(c,"Playing position: %02d:%02d / %02d:%02d", (int)posec/60,(int)posec%60,(int)totalsec/60,(int)totalsec%60);
MESS(IDC_SPOS,WM_SETTEXT,0,c);
}
}
float GetNewBPM(DWORD hBPM)
{
return BASS_FX_BPM_Translate(hBPM, BASS_FX_TempoGetRateRatio(chan)*100.0f, BASS_FX_BPM_TRAN_PERCENT2);
// or you could do it this way too :)
// return (orgBPM * BASS_FX_TempoGetRateRatio(chan));
}
// get the beat position in seconds
void CALLBACK beatTimerProc(UINT uTimerID, UINT uMsg, DWORD dwUser, DWORD dw1, DWORD dw2)
{
if (BASS_FX_TempoGetRateRatio(chan)){
double beatpos;
char c[30];
beatpos = BASS_ChannelBytes2Seconds(chan, BASS_ChannelGetPosition(chan, BASS_POS_BYTE)) / BASS_FX_TempoGetRateRatio(chan);
sprintf(c,"Beat pos: %0.2f", beatpos);
MESS(IDC_SBEAT,WM_SETTEXT,0,c);
}
timeKillEvent(uTimerID);
}
pascal void TimerProc(EventLoopTimerRef inTimer, void *inUserData)
{
float ratio=BASS_FX_TempoGetRateRatio(chan);
if (!ratio) return;
SetControl32BitValue(GetControl(15),(DWORD)BASS_ChannelBytes2Seconds(chan,BASS_ChannelGetPosition(chan,BASS_POS_BYTE))); // update position
{ // show the approximate position in MM:SS format
char c[50];
DWORD totalsec=GetControl32BitMaximum(GetControl(15))/ratio;
DWORD posec=GetControl32BitValue(GetControl(15))/ratio;
sprintf(c,"Playing position: %02u:%02u / %02u:%02u",posec/60,posec%60,totalsec/60,totalsec%60);
SetStaticText(14,c);
}
}
HCHANNEL BassSoundEngine::PlayMusic(int sound_id, CHANNEL Ichannel, bool loop, float volume)
{
if(Ichannel<0||Ichannel>=maxChannel){
Ichannel = GetNewChannel();
if(Ichannel<0)
return NULL;
}else
FreeChannel(Ichannel);
HSTREAM sound = playMusic[sound_id];
channel[Ichannel] = sound;
DWORD hr;
bool useDSP = false;
// set position
float freq;
if(Ichannel==0)
{
hr = BASS_ChannelGetAttribute(sound, BASS_ATTRIB_FREQ, &freq);
hr = SetPosition(0, sound_id, 0);
hr = BASS_FX_TempoGetRateRatio(sound);
if(hr>0)
useDSP = true;
music_sampleRate = freq;
}
// set volume
volumeDes[Ichannel] = volume*defaultVolume;
hr = BASS_ChannelSetAttribute(sound, BASS_ATTRIB_VOL, volumeDes[Ichannel]);
// start play
hr = BASS_ChannelPlay(sound, useDSP?FALSE:TRUE);
// set loop
if(loop)
hr = BASS_ChannelFlags(sound, BASS_SAMPLE_LOOP, BASS_SAMPLE_LOOP);
if(Ichannel==0)
Update(0);
return sound;
}
