diff options
| author | Chris Robinson <chris.kcat@gmail.com> | 2019-07-28 18:56:04 -0700 |
|---|---|---|
| committer | Chris Robinson <chris.kcat@gmail.com> | 2019-07-28 18:56:04 -0700 |
| commit | cb3e96e75640730b9391f0d2d922eecd9ee2ce79 (patch) | |
| tree | 23520551bddb2a80354e44da47f54201fdc084f0 /Alc/backends/base.cpp | |
| parent | 93e60919c8f387c36c267ca9faa1ac653254aea6 (diff) | |
Rename Alc to alc
Diffstat (limited to 'Alc/backends/base.cpp')
| -rw-r--r-- | Alc/backends/base.cpp | 58 |
1 files changed, 0 insertions, 58 deletions
diff --git a/Alc/backends/base.cpp b/Alc/backends/base.cpp deleted file mode 100644 index a7d47c6d..00000000 --- a/Alc/backends/base.cpp +++ /dev/null @@ -1,58 +0,0 @@ - -#include "config.h" - -#include <cstdlib> - -#include <thread> - -#include "alcmain.h" -#include "alu.h" - -#include "backends/base.h" - - -ClockLatency GetClockLatency(ALCdevice *device) -{ - BackendBase *backend{device->Backend.get()}; - ClockLatency ret{backend->getClockLatency()}; - ret.Latency += device->FixedLatency; - return ret; -} - - -/* BackendBase method implementations. */ -BackendBase::BackendBase(ALCdevice *device) noexcept : mDevice{device} -{ } - -BackendBase::~BackendBase() = default; - -ALCboolean BackendBase::reset() -{ return ALC_FALSE; } - -ALCenum BackendBase::captureSamples(void*, ALCuint) -{ return ALC_INVALID_DEVICE; } - -ALCuint BackendBase::availableSamples() -{ return 0; } - -ClockLatency BackendBase::getClockLatency() -{ - ClockLatency ret; - - ALuint refcount; - do { - while(((refcount=mDevice->MixCount.load(std::memory_order_acquire))&1)) - std::this_thread::yield(); - ret.ClockTime = GetDeviceClockTime(mDevice); - std::atomic_thread_fence(std::memory_order_acquire); - } while(refcount != mDevice->MixCount.load(std::memory_order_relaxed)); - - /* NOTE: The device will generally have about all but one periods filled at - * any given time during playback. Without a more accurate measurement from - * the output, this is an okay approximation. - */ - ret.Latency = std::chrono::seconds{maxi(mDevice->BufferSize-mDevice->UpdateSize, 0)}; - ret.Latency /= mDevice->Frequency; - - return ret; -} |