Json::Value LG(const std::string &name, const Json::Value &v)
{
mutex.lock();
Json::Value res = val.get(name, v);
mutex.unlock();
return res;
}
int main()
{
m.lock();
boost::thread t(f);
boost::this_thread::sleep_for(ms(250));
m.unlock();
t.join();
return boost::report_errors();
}
void f()
{
time_point t0 = Clock::now();
m.lock();
time_point t1 = Clock::now();
m.lock();
m.unlock();
m.unlock();
ns d = t1 - t0 - ms(250);
// This test is spurious as it depends on the time the thread system switches the threads
BOOST_TEST(d < ns(2500000)+ms(1000)); // within 2.5ms
}
int main()
{
m.lock();
boost::thread t(f);
#if defined BOOST_THREAD_USES_CHRONO
boost::this_thread::sleep_for(ms(250));
#else
#endif
m.unlock();
t.join();
return boost::report_errors();
}
boost::tuple<uint8_t*,int,int,int> screen_draw_begin()
{
boost::tuple<uint8_t*,int,int,int> ret;
lock.lock();
surface_during_drawing = SDL_GetWindowSurface(window);
if( surface_during_drawing )
{
SDL_LockSurface(surface_during_drawing);
ret.get<0>() = (uint8_t*)surface_during_drawing->pixels;
ret.get<1>() = surface_during_drawing->pitch;
ret.get<2>() = surface_during_drawing->w;
ret.get<3>() = surface_during_drawing->h;
return ret;
}
else
{
lock.unlock();
return ret;
}
}
int main()
{
m.lock();
boost::thread t(f);
#if defined BOOST_THREAD_USES_CHRONO
time_point t2 = Clock::now();
boost::this_thread::sleep_for(ms(250));
time_point t3 = Clock::now();
#else
#endif
m.unlock();
t.join();
#if defined BOOST_THREAD_USES_CHRONO
ns sleep_time = t3 - t2;
ns d_ns = t1 - t0 - sleep_time;
ms d_ms = boost::chrono::duration_cast<boost::chrono::milliseconds>(d_ns);
// BOOST_TEST_GE(d_ms.count(), 0);
BOOST_THREAD_TEST_IT(d_ms, max_diff);
BOOST_THREAD_TEST_IT(d_ns, ns(max_diff));
#endif
return boost::report_errors();
}
void screen_draw_end()
{
if( corner_clip )
{
static int radius = 20;
radius = min(20, min(surface_during_drawing->w,surface_during_drawing->h));
std::size_t pitch = surface_during_drawing->pitch;
std::size_t depth = pitch/surface_during_drawing->w;
uint8_t * data = (uint8_t*)surface_during_drawing->pixels;
auto func = [&](std::size_t sx,std::size_t sy,int dx,int dy)
{
for(std::size_t x=0;x<radius;x++)
for(std::size_t y=0;y<radius;y++)
{
std::size_t nx = sx+x*dx;
std::size_t ny = sy+y*dy;
if( x*x + y*y > radius*radius )
{
data[ny*pitch + nx*depth + 3] = 0;
data[ny*pitch + nx*depth + 0] = 0;
data[ny*pitch + nx*depth + 1] = 0;
data[ny*pitch + nx*depth + 2] = 0;
}
}
};
func(radius-1,radius-1,-1,-1);
func(radius-1,surface_during_drawing->h-radius,-1,1);
func(surface_during_drawing->w-radius,radius-1,1,-1);
func(surface_during_drawing->w-radius,surface_during_drawing->h-radius,1,1);
}
SDL_UnlockSurface(surface_during_drawing);
SDL_RenderPresent(renderer);
lock.unlock();
}
void f()
{
#if defined BOOST_THREAD_USES_CHRONO
t0 = Clock::now();
m.lock();
t1 = Clock::now();
m.lock();
m.unlock();
m.unlock();
#else
//time_point t0 = Clock::now();
m.lock();
//time_point t1 = Clock::now();
m.lock();
m.unlock();
m.unlock();
//ns d = t1 - t0 - ms(250);
//BOOST_TEST(d < max_diff);
#endif
}
void f()
{
#if defined BOOST_THREAD_USES_CHRONO
time_point t0 = Clock::now();
m.lock();
time_point t1 = Clock::now();
m.lock();
m.unlock();
m.unlock();
ns d = t1 - t0 - ms(250);
// This test is spurious as it depends on the time the thread system switches the threads
BOOST_TEST(d < ns(2500000)+ms(1000)); // within 2.5ms
#else
//time_point t0 = Clock::now();
m.lock();
//time_point t1 = Clock::now();
m.lock();
m.unlock();
m.unlock();
//ns d = t1 - t0 - ms(250);
// This test is spurious as it depends on the time the thread system switches the threads
//BOOST_TEST(d < ns(2500000)+ms(1000)); // within 2.5ms
#endif
}
void ffmpeg_lock()
{
lock.lock();
}
void ffmpeg_unlock()
{
lock.unlock();
}
