ULONG64 get_process_starttime( pid_t p_id )
{
ULONG64 startTime = (ULONG64)-1;
/*
* Do not raise privileges if we are inspecting ourselves.
* This function is used not only by prl_perf_ctl,
* but by all PerfCount users.
*/
if (::getpid() != p_id) {
if (!set_debug_privilege())
WRITE_TRACE(DBG_FATAL, "Failed to set debug privilege");
}
/** Converts specified 100-nanosecond intervals to milliseconds */
#define TO_MSECS(n100Nanoseconds) (n100Nanoseconds/10000)
#define TO_ULONGLONG(large_var, high_part, low_part)\
( (((unsigned long long) large_var.high_part) << 32 ) + large_var.low_part)
HANDLE hProcess = hProcess = OpenProcess(PROCESS_QUERY_INFORMATION, FALSE, p_id);
if (NULL != hProcess)
{
FILETIME CreationTime, ExitTime, KernelTime, UserTime;
if (GetProcessTimes(hProcess, &CreationTime, &ExitTime, &KernelTime, &UserTime))
startTime = TO_MSECS(TO_ULONGLONG(CreationTime, dwHighDateTime, dwLowDateTime));
CloseHandle(hProcess);
}
return startTime;
#undef TO_ULONGLONG
#undef TO_MSECS
}
void PckTunesCDPlayer::play(int track, int num_loops, int start_frame, int duration) {
if (!num_loops && !start_frame)
return;
EventType e;
Char nameP[256], fileP[100];
static const Char *ext[] = { "mp3", "ogg" };
_pckTrack = track;
_pckLoops = num_loops;
_pckTrackStartFrame = TO_MSECS(start_frame);
_pckTrackDuration = TO_MSECS(duration);
VFSVolumeGetLabel(gVars->VFS.volRefNum, nameP, 256);
StrPrintF(fileP, "/Palm/Programs/ScummVM/Audio/%s_%03ld.%s", gameP, (track + gVars->CD.firstTrack - 1), ext[gVars->CD.format]);
if (PocketTunesOpenFile(nameP, fileP, 0) == errNone) {
EvtGetEvent(&e, evtNoWait);
PocketTunesPauseIfPlaying();
_isPlaying = true;
if (_pckTrackStartFrame == 0 && _pckTrackDuration == 0) {
_pckTrackDuration = getDuration();
} else {
setPosition(_pckTrackStartFrame);
if (_pckTrackDuration == 0)
_pckTrackDuration = getDuration() - _pckTrackStartFrame;
}
PocketTunesPlay();
} else {
_isPlaying = false;
_pckTrackDuration = gVars->CD.defaultTrackLength * 1000;
}
_pckStopTime = 0;
_pckTrackEndFrame = _pckTrackStartFrame + _pckTrackDuration;
}
void MsaCDPlayer::play(int track, int num_loops, int start_frame, int duration) {
if (!_isInitialized)
return;
if (!num_loops && !start_frame)
return;
_msaTrack = track + gVars->CD.firstTrack - 1; // first track >= 1 ?, not 0 (0=album)
_msaLoops = num_loops;
_msaStartFrame = TO_MSECS(start_frame);
_msaDuration = TO_MSECS(duration);
Err e;
MemHandle trackH;
// stop current play if any
MsaStop(_msaRefNum, true);
_msaStopTime = 0;
// retreive track infos
e = MsaGetTrackInfo(_msaRefNum, _msaTrack, 0, msa_LANG_CODE_ASCII, &trackH);
// track exists
if (!e && trackH) {
MsaTime msaTime;
MsaTrackInfo *trackP;
UInt32 SU, fullLength;
// FIXME (?) : this enable MsaSuToTime to return the right value in some cases
MsaPlay(_msaRefNum, _msaTrack, 0, msa_PBRATE_SP);
MsaStop(_msaRefNum, true);
// get the msa time
trackP = (MsaTrackInfo *)MemHandleLock(trackH);
MsaSuToTime(_msaRefNum, trackP->totalsu, &msaTime);
SU = trackP->totalsu;
MemPtrUnlock(trackP);
MemHandleFree(trackH);
// MSA frame in milli-seconds
fullLength = FROM_MIN(msaTime.minute);
fullLength += FROM_SEC(msaTime.second);
fullLength += msaTime.frame;
if (_msaDuration > 0) {
_msaTrackLength = _msaDuration;
} else if (_msaStartFrame > 0) {
_msaTrackLength = fullLength;
_msaTrackLength -= _msaStartFrame;
} else {
_msaTrackLength = fullLength;
}
// try to play the track
if (start_frame == 0 && duration == 0) {
MsaPlay(_msaRefNum, _msaTrack, 0, msa_PBRATE_SP);
_msaTrackEndSu = SU;
} else {
// FIXME : MsaTimeToSu doesn't work ... (may work with previous FIXME)
_msaTrackStartSu = (UInt32) ((float)(_msaStartFrame) / ((float)fullLength / (float)SU));
_msaTrackEndSu = (UInt32) ((float)(_msaTrackLength) / ((float)fullLength / (float)SU));
_msaTrackEndSu += _msaTrackStartSu;
if (_msaTrackEndSu > SU)
_msaTrackEndSu = SU;
MsaPlay(_msaRefNum, _msaTrack, _msaTrackStartSu, msa_PBRATE_SP);
}
}
// TODO : use default track length if track not found
}
