bool CSoundManager::PlayWave3D(int x, int y, int Freq, int Nr)
{
int vol, pan;
float xdiff, ydiff, Abstand;
xdiff = ((pPlayer[0]->xpos + 45) - x);
ydiff = ((pPlayer[0]->ypos + 45) - y);
Abstand = float(sqrt((xdiff * xdiff) + (ydiff * ydiff)));
vol = int(100-float(Abstand/6.0f));
if (vol < 0)
vol = 0;
else
{
// Sound links oder rechts vom Spieler ?
if (x < pPlayer[0]->xpos + 45)
{
pan = 128 - (100 - vol);
if (pan < 0)
pan = 0;
}
else
{
pan = 128 + (100 - vol);
if (pan > 255)
pan = 255;
}
PlayWave(vol, pan, Freq, Nr);
}
return true;
} // PlaySound
void CSoundManager::FadeWave(int Nr, int Mode)
{
// Sound soll eingefadet werden?
if (Mode == FADEMODE_IN)
{
// Fadet gerade garnicht? Dann abspielen
if (its_Sounds[Nr]->FadeMode == FADEMODE_NON)
PlayWave(1, 128, 11025, Nr);
}
// Sound soll ausgefadet werden?
else
if (Mode == FADEMODE_OUT)
{
}
its_Sounds[Nr]->FadeMode = Mode;
} // FadeWave
//刷新显示线程
void *RenderAudio(void *arg)
{
if(!arg)
return NULL;
AvManager *manager = (AvManager*)arg;
MediaPacket spkt;
long avsize = 0;
int ret = 0;
//只有在没有停止信号下，才能不断地读取数据
for(;manager->avState != STOP;)
{
//如果是暂停且没有快进时，才可以不断等待
if(manager->avState == PAUSE && !manager->avSeek)
{
usSleep(DEFAULT_AV_WAIT);
continue;
}
ret = RecvDataFromAvQueue(manager->MediaAudio,&spkt);
if(ret < 0)
{
usSleep(DEFAULT_AV_WAIT);
continue;
}
if(manager->avSeek && !IsHardWareAccel())
{
FlushBuffers(AUDIO);
DestroyPacket(&spkt);
continue;
}
if(manager->audioDelay)
{
usSleep(manager->audioDelay);
manager->audioDelay = 0;
}
if(spkt.data && spkt.size > 0)
{
void *abuf = DecodeAudioStream(&spkt,&avsize);
//播放音乐
if(abuf && avsize > 0)
{
PlayWave(abuf,avsize);
//声音时间戳部分
manager->audioClock = (double)avsize/(double)manager->audioBasePara;
if(spkt.pts != AV_NOPTS_VALUE)
manager->playerClock = AVTimeToSecond(spkt.pts,manager->audioTimeBase) + manager->audioClock;
else
manager->playerClock += manager->audioClock;
manager->last_audio_pts = manager->playerClock;
}
}
else
FreeAlloc(spkt.data);
}
return NULL;
}
//=================================================*
// ------------------------ Play Selected Alarm File
//===================================================*
BOOL PlayFile(HWND hwnd, const char* fname, DWORD dwLoops)
{
char file[MAX_PATH];
if(!fname[0] || fname[0]=='<') return FALSE;
if(fname[0]!='/' && fname[0]!='\\' && fname[1]!=':' // no abs path
&&(fname[0]!='.' || (fname[1]!='/' && fname[1]!='\\' && (fname[1]!='.' || (fname[2]!='/' && fname[2]!='\\'))))) // no relative path (strict relative)
{ // do it relative to "waves/"
char app[MAX_PATH];
const size_t tlen=api.root_len;
const size_t len=strlen(fname)+1; // incl. terminating null
if(len<MAX_PATH-tlen-7){
memcpy(file, api.root, tlen); // absolute path is at least required by .pcb / PlayNoSoundThread (not for .wav)
memcpy(file+tlen, "\\waves\\", 7);
memcpy(file+tlen+7, fname, len);
if(api.GetFileAndOption(file, app, NULL) == 0){
fname = file;
}
}
}
if(ext_cmp(fname, "wav") == 0) {
if(m_bMCIPlaying) return FALSE;
return PlayWave(hwnd, fname, dwLoops);
}
if(ext_cmp(fname, "pcb") == 0) {
if(m_bMCIPlaying) return FALSE;
PlayNoSoundThread(hwnd, fname, dwLoops);
return TRUE;
}
else if(IsMMFile(fname)) {
char command[MIN_BUFF+MAX_PATH];
if(m_bMCIPlaying) return FALSE;
strcpy(command, "open \"");
strcat(command, fname);
strcat(command, "\" alias myfile");
if(mciSendString(command, NULL, 0, NULL) == 0) {
strcpy(command, "set myfile time format ");
if(strcasecmp(fname, "cdaudio") == 0 || ext_cmp(fname, "cda") == 0) {
strcat(command, "tmsf"); m_bTrack = TRUE;
} else {
strcat(command, "milliseconds"); m_bTrack = FALSE;
}
mciSendString(command, NULL, 0, NULL);
m_nTrack = -1;
if(ext_cmp(fname, "cda") == 0) {
const char* p;
p = fname; m_nTrack = 0;
while(*p) {
if('0' <= *p && *p <= '9') m_nTrack = m_nTrack * 10 + *p - '0';
p++;
}
}
if(PlayMCI(hwnd, m_nTrack) == 0) {
m_bMCIPlaying = TRUE;
m_countPlay = dwLoops;
} else mciSendString("close myfile", NULL, 0, NULL);
} return m_bMCIPlaying;
} else api.ExecFile(fname,hwnd);
return FALSE;
}
