🛠️🐜 Antkeeper superbuild with dependencies included
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160 lines
5.3 KiB
160 lines
5.3 KiB
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#include "config.h"
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#include "base.h"
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#include <algorithm>
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#include <array>
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#include <atomic>
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#ifdef _WIN32
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#define WIN32_LEAN_AND_MEAN
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#include <windows.h>
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#include <mmreg.h>
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#include "albit.h"
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#include "core/logging.h"
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#include "aloptional.h"
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#endif
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#include "atomic.h"
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#include "core/devformat.h"
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bool BackendBase::reset()
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{ throw al::backend_exception{al::backend_error::DeviceError, "Invalid BackendBase call"}; }
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void BackendBase::captureSamples(al::byte*, uint)
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{ }
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uint BackendBase::availableSamples()
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{ return 0; }
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ClockLatency BackendBase::getClockLatency()
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{
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ClockLatency ret;
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uint refcount;
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do {
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refcount = mDevice->waitForMix();
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ret.ClockTime = GetDeviceClockTime(mDevice);
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std::atomic_thread_fence(std::memory_order_acquire);
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} while(refcount != ReadRef(mDevice->MixCount));
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/* NOTE: The device will generally have about all but one periods filled at
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* any given time during playback. Without a more accurate measurement from
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* the output, this is an okay approximation.
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*/
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ret.Latency = std::max(std::chrono::seconds{mDevice->BufferSize-mDevice->UpdateSize},
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std::chrono::seconds::zero());
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ret.Latency /= mDevice->Frequency;
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return ret;
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}
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void BackendBase::setDefaultWFXChannelOrder()
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{
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mDevice->RealOut.ChannelIndex.fill(INVALID_CHANNEL_INDEX);
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switch(mDevice->FmtChans)
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{
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case DevFmtMono:
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mDevice->RealOut.ChannelIndex[FrontCenter] = 0;
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break;
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case DevFmtStereo:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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break;
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case DevFmtQuad:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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mDevice->RealOut.ChannelIndex[BackLeft] = 2;
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mDevice->RealOut.ChannelIndex[BackRight] = 3;
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break;
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case DevFmtX51:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
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mDevice->RealOut.ChannelIndex[LFE] = 3;
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mDevice->RealOut.ChannelIndex[SideLeft] = 4;
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mDevice->RealOut.ChannelIndex[SideRight] = 5;
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break;
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case DevFmtX61:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
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mDevice->RealOut.ChannelIndex[LFE] = 3;
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mDevice->RealOut.ChannelIndex[BackCenter] = 4;
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mDevice->RealOut.ChannelIndex[SideLeft] = 5;
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mDevice->RealOut.ChannelIndex[SideRight] = 6;
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break;
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case DevFmtX71:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
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mDevice->RealOut.ChannelIndex[LFE] = 3;
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mDevice->RealOut.ChannelIndex[BackLeft] = 4;
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mDevice->RealOut.ChannelIndex[BackRight] = 5;
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mDevice->RealOut.ChannelIndex[SideLeft] = 6;
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mDevice->RealOut.ChannelIndex[SideRight] = 7;
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break;
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case DevFmtX3D71:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
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mDevice->RealOut.ChannelIndex[LFE] = 3;
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mDevice->RealOut.ChannelIndex[Aux0] = 4;
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mDevice->RealOut.ChannelIndex[Aux1] = 5;
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mDevice->RealOut.ChannelIndex[SideLeft] = 6;
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mDevice->RealOut.ChannelIndex[SideRight] = 7;
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break;
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case DevFmtAmbi3D:
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break;
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}
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}
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void BackendBase::setDefaultChannelOrder()
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{
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mDevice->RealOut.ChannelIndex.fill(INVALID_CHANNEL_INDEX);
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switch(mDevice->FmtChans)
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{
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case DevFmtX51:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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mDevice->RealOut.ChannelIndex[SideLeft] = 2;
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mDevice->RealOut.ChannelIndex[SideRight] = 3;
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mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
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mDevice->RealOut.ChannelIndex[LFE] = 5;
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return;
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case DevFmtX71:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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mDevice->RealOut.ChannelIndex[BackLeft] = 2;
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mDevice->RealOut.ChannelIndex[BackRight] = 3;
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mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
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mDevice->RealOut.ChannelIndex[LFE] = 5;
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mDevice->RealOut.ChannelIndex[SideLeft] = 6;
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mDevice->RealOut.ChannelIndex[SideRight] = 7;
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return;
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case DevFmtX3D71:
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mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
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mDevice->RealOut.ChannelIndex[FrontRight] = 1;
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mDevice->RealOut.ChannelIndex[Aux0] = 2;
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mDevice->RealOut.ChannelIndex[Aux1] = 3;
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mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
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mDevice->RealOut.ChannelIndex[LFE] = 5;
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mDevice->RealOut.ChannelIndex[SideLeft] = 6;
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mDevice->RealOut.ChannelIndex[SideRight] = 7;
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return;
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/* Same as WFX order */
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case DevFmtMono:
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case DevFmtStereo:
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case DevFmtQuad:
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case DevFmtX61:
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case DevFmtAmbi3D:
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setDefaultWFXChannelOrder();
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break;
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}
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}
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