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Use PBD::get_microseconds() from pbd/windows_timer_utils.h in DummyBackend

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This commit is contained in:
Tim Mayberry 2015-09-14 20:44:27 +10:00
parent 782dbf0e3f
commit 305f1d73bb
1 changed files with 2 additions and 20 deletions
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22
libs/backends/dummy/dummy_audiobackend.cc
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@ -25,6 +25,7 @@
#ifdef PLATFORM_WINDOWS
#include <windows.h>
#include <pbd/windows_timer_utils.h>
#endif
#include "dummy_audiobackend.h"
@ -43,20 +44,9 @@ std::vector<AudioBackend::DeviceStatus> DummyAudioBackend::_device_status;
std::vector<DummyAudioBackend::DriverSpeed> DummyAudioBackend::_driver_speed;
#ifdef PLATFORM_WINDOWS
static double _win_pc_rate = 0; // usec per tick
#endif
static int64_t _x_get_monotonic_usec() {
#ifdef PLATFORM_WINDOWS
if (_win_pc_rate > 0) {
LARGE_INTEGER Count;
// not very reliable, but the only realistic way for sub milli-seconds
if (QueryPerformanceCounter (&Count)) {
return (int64_t) (Count.QuadPart * _win_pc_rate);
}
return -1;
}
return PBD::get_microseconds();
#endif
return g_get_monotonic_time();
}
@ -1384,14 +1374,6 @@ static int
instantiate (const std::string& arg1, const std::string& /* arg2 */)
{
s_instance_name = arg1;
#ifdef PLATFORM_WINDOWS
LARGE_INTEGER Frequency;
if (!QueryPerformanceFrequency(&Frequency) || Frequency.QuadPart < 1) {
_win_pc_rate = 0;
} else {
_win_pc_rate = 1000000.0 / Frequency.QuadPart;
}
#endif
return 0;
}