unsigned int CTimeUtils::GetTimeMS()
{
// best replacement for windows timeGetTime/GetTickCount
// 1st call sets start_mstime, subsequent are the diff
// between start_mstime and now_mstime to match SDL_GetTick behavior
// of previous usage. We might want to change this as CTimeUtils::GetTimeMS is
// time (ms) since system startup.
#if defined(_WIN32)
return timeGetTime();
#elif defined(_LINUX)
#if defined(__APPLE__)
static uint64_t start_time = 0;
uint64_t now_time;
now_time = CVGetCurrentHostTime() * 1000 / CVGetHostClockFrequency();
if (start_time == 0)
start_time = now_time;
return(now_time - start_time);
#else
static uint64_t start_mstime = 0;
uint64_t now_mstime;
struct timespec ts;
clock_gettime(CLOCK_MONOTONIC, &ts);
now_mstime = (ts.tv_sec * 1000) + (ts.tv_nsec / 1000000);
if (start_mstime == 0)
{
start_mstime = now_mstime;
}
return(now_mstime - start_mstime);
#endif
#endif
}
// Called by the Core Video Display Link whenever it's appropriate to render a frame.
static CVReturn DisplayLinkCallBack(CVDisplayLinkRef displayLink, const CVTimeStamp* inNow, const CVTimeStamp* inOutputTime, CVOptionFlags flagsIn, CVOptionFlags* flagsOut, void* displayLinkContext)
{
// Create an autorelease pool (necessary to call into non-Obj-C code from Obj-C code)
void* pool = Cocoa_Create_AutoReleasePool();
CVideoSyncOsx *VideoSyncOsx = reinterpret_cast<CVideoSyncOsx*>(displayLinkContext);
if (inOutputTime->flags & kCVTimeStampHostTimeValid)
VideoSyncOsx->VblankHandler(inOutputTime->hostTime, CVGetHostClockFrequency());
else
VideoSyncOsx->VblankHandler(CVGetCurrentHostTime(), CVGetHostClockFrequency());
// Destroy the autorelease pool
Cocoa_Destroy_AutoReleasePool(pool);
return kCVReturnSuccess;
}
/* Number of timer units per second. */
signed long vsyncarch_frequency(void)
{
/* how to convert host time to us */
hostToUsFactor = (unsigned long)(CVGetHostClockFrequency() / 1000000UL);
/* Microseconds resolution. */
return 1000000L;
}
static int quicktimedrv_save(screenshot_t *screenshot, const char *filename)
{
// align and center video
video_width = screenshot->width;
video_height = screenshot->height;
video_width = (video_width + 15) & ~15;
video_height = (video_height + 15) & ~15;
video_xoff = (video_width - screenshot->width) >> 1;
video_yoff = (video_height - screenshot->height) >> 1;
// create cfstring from filename
CFStringRef path = CFStringCreateWithCString(NULL, filename, kCFStringEncodingUTF8);
if (path == NULL) {
log_debug("quicktime: error creating CFString!");
return -1;
}
// create data reference
Handle dataRef;
OSType dataRefType;
OSErr theError = QTNewDataReferenceFromFullPathCFString(
path, kQTNativeDefaultPathStyle, 0, &dataRef, &dataRefType);
if (theError) {
log_debug("quicktime: error creating data reference for '%s'", filename);
return -1;
}
// Create a movie for this file (data ref)
theError = CreateMovieStorage(
dataRef, dataRefType, 'TVOD', smCurrentScript, createMovieFileDeleteCurFile,
&dataHandler, &movie);
if (theError) {
log_debug("quicktime: error creating movie storage for '%s'", filename);
return -1;
}
// dispose of the data reference handle - we no longer need it
DisposeHandle(dataRef);
// define time scale and host clock divider
divider = (TimeScale)CVGetHostClockFrequency() / timeScale;
// setup video
if (setup_video() != noErr) {
return -1;
}
// setup audio
if (audio_codec != -1) {
soundmovie_start(&quicktime_soundmovie_funcs);
}
// set initial time stamp
timestamp = CVGetCurrentHostTime() / divider;
return 0;
}
int64_t CurrentHostFrequency(void)
{
#if defined(TARGET_DARWIN)
return( (int64_t)CVGetHostClockFrequency() );
#elif defined(TARGET_WINDOWS)
LARGE_INTEGER Frequency;
QueryPerformanceFrequency(&Frequency);
return( (int64_t)Frequency.QuadPart );
#else
return( (int64_t)1000000000L );
#endif
}
int64_t CurrentHostFrequency(void)
{
#if defined(__APPLE__)
// needed for 10.5.8 on ppc
return( (int64_t)CVGetHostClockFrequency() );
#elif defined(_LINUX)
return( (int64_t)1000000000L );
#else
LARGE_INTEGER Frequency;
QueryPerformanceFrequency(&Frequency);
return( (int64_t)Frequency.QuadPart );
#endif
}
unsigned int SystemClockMillis()
{
uint64_t now_time;
static uint64_t start_time = 0;
static bool start_time_set = false;
#if defined(TARGET_DARWIN)
now_time = CVGetCurrentHostTime() * 1000 / CVGetHostClockFrequency();
#elif defined(TARGET_WINDOWS)
now_time = (uint64_t)timeGetTime();
#else
struct timespec ts = {};
clock_gettime(CLOCK_MONOTONIC, &ts);
now_time = (ts.tv_sec * 1000) + (ts.tv_nsec / 1000000);
#endif
if (!start_time_set)
{
start_time = now_time;
start_time_set = true;
}
return (unsigned int)(now_time - start_time);
}
static void
gst_mio_video_src_init (GstMIOVideoSrc * self, GstMIOVideoSrcClass * gclass)
{
GstBaseSrc *base_src = GST_BASE_SRC_CAST (self);
guint64 host_freq;
gst_base_src_set_live (base_src, TRUE);
gst_base_src_set_format (base_src, GST_FORMAT_TIME);
host_freq = gst_gdouble_to_guint64 (CVGetHostClockFrequency ());
if (host_freq <= GST_SECOND) {
self->cv_ratio_n = GST_SECOND / host_freq;
self->cv_ratio_d = 1;
} else {
self->cv_ratio_n = 1;
self->cv_ratio_d = host_freq / GST_SECOND;
}
self->queue = g_queue_new ();
self->qlock = g_mutex_new ();
self->qcond = g_cond_new ();
}
double QTMovieVisualContext::currentHostTime()
{
return CVGetCurrentHostTime() / CVGetHostClockFrequency();
}
TimeT system_time () {
return CVGetCurrentHostTime() / CVGetHostClockFrequency();
}