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Torque3D/Engine/lib/openal-soft/alc/backends/base.cpp

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#include "config.h"
#include "base.h"
#include <array>
#include <atomic>
#include <utility>
#include "core/devformat.h"
namespace al {
auto backend_exception::make_string(fmt::string_view fmt, fmt::format_args args) -> std::string
{ return fmt::vformat(fmt, std::move(args)); }
backend_exception::~backend_exception() = default;
} // namespace al
bool BackendBase::reset()
{ throw al::backend_exception{al::backend_error::DeviceError, "Invalid BackendBase call"}; }
void BackendBase::captureSamples(std::byte*, uint)
{ }
uint BackendBase::availableSamples()
{ return 0; }
ClockLatency BackendBase::getClockLatency()
{
ClockLatency ret{};
uint refcount;
do {
refcount = mDevice->waitForMix();
ret.ClockTime = mDevice->getClockTime();
std::atomic_thread_fence(std::memory_order_acquire);
} while(refcount != mDevice->mMixCount.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{mDevice->mBufferSize - mDevice->mUpdateSize};
ret.Latency /= mDevice->mSampleRate;
return ret;
}
void BackendBase::setDefaultWFXChannelOrder() const
{
mDevice->RealOut.ChannelIndex.fill(InvalidChannelIndex);
switch(mDevice->FmtChans)
{
case DevFmtMono:
mDevice->RealOut.ChannelIndex[FrontCenter] = 0;
break;
case DevFmtStereo:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
break;
case DevFmtQuad:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[BackLeft] = 2;
mDevice->RealOut.ChannelIndex[BackRight] = 3;
break;
case DevFmtX51:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
mDevice->RealOut.ChannelIndex[LFE] = 3;
mDevice->RealOut.ChannelIndex[SideLeft] = 4;
mDevice->RealOut.ChannelIndex[SideRight] = 5;
break;
case DevFmtX61:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
mDevice->RealOut.ChannelIndex[LFE] = 3;
mDevice->RealOut.ChannelIndex[BackCenter] = 4;
mDevice->RealOut.ChannelIndex[SideLeft] = 5;
mDevice->RealOut.ChannelIndex[SideRight] = 6;
break;
case DevFmtX71:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
mDevice->RealOut.ChannelIndex[LFE] = 3;
mDevice->RealOut.ChannelIndex[BackLeft] = 4;
mDevice->RealOut.ChannelIndex[BackRight] = 5;
mDevice->RealOut.ChannelIndex[SideLeft] = 6;
mDevice->RealOut.ChannelIndex[SideRight] = 7;
break;
case DevFmtX714:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
mDevice->RealOut.ChannelIndex[LFE] = 3;
mDevice->RealOut.ChannelIndex[BackLeft] = 4;
mDevice->RealOut.ChannelIndex[BackRight] = 5;
mDevice->RealOut.ChannelIndex[SideLeft] = 6;
mDevice->RealOut.ChannelIndex[SideRight] = 7;
mDevice->RealOut.ChannelIndex[TopFrontLeft] = 8;
mDevice->RealOut.ChannelIndex[TopFrontRight] = 9;
mDevice->RealOut.ChannelIndex[TopBackLeft] = 10;
mDevice->RealOut.ChannelIndex[TopBackRight] = 11;
break;
case DevFmtX7144:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
mDevice->RealOut.ChannelIndex[LFE] = 3;
mDevice->RealOut.ChannelIndex[BackLeft] = 4;
mDevice->RealOut.ChannelIndex[BackRight] = 5;
mDevice->RealOut.ChannelIndex[SideLeft] = 6;
mDevice->RealOut.ChannelIndex[SideRight] = 7;
mDevice->RealOut.ChannelIndex[TopFrontLeft] = 8;
mDevice->RealOut.ChannelIndex[TopFrontRight] = 9;
mDevice->RealOut.ChannelIndex[TopBackLeft] = 10;
mDevice->RealOut.ChannelIndex[TopBackRight] = 11;
mDevice->RealOut.ChannelIndex[BottomFrontLeft] = 12;
mDevice->RealOut.ChannelIndex[BottomFrontRight] = 13;
mDevice->RealOut.ChannelIndex[BottomBackLeft] = 14;
mDevice->RealOut.ChannelIndex[BottomBackRight] = 15;
break;
case DevFmtX3D71:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[FrontCenter] = 2;
mDevice->RealOut.ChannelIndex[LFE] = 3;
mDevice->RealOut.ChannelIndex[Aux0] = 4;
mDevice->RealOut.ChannelIndex[Aux1] = 5;
mDevice->RealOut.ChannelIndex[SideLeft] = 6;
mDevice->RealOut.ChannelIndex[SideRight] = 7;
break;
case DevFmtAmbi3D:
break;
}
}
void BackendBase::setDefaultChannelOrder() const
{
mDevice->RealOut.ChannelIndex.fill(InvalidChannelIndex);
switch(mDevice->FmtChans)
{
case DevFmtX51:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[SideLeft] = 2;
mDevice->RealOut.ChannelIndex[SideRight] = 3;
mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
mDevice->RealOut.ChannelIndex[LFE] = 5;
return;
case DevFmtX71:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[BackLeft] = 2;
mDevice->RealOut.ChannelIndex[BackRight] = 3;
mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
mDevice->RealOut.ChannelIndex[LFE] = 5;
mDevice->RealOut.ChannelIndex[SideLeft] = 6;
mDevice->RealOut.ChannelIndex[SideRight] = 7;
return;
case DevFmtX714:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[BackLeft] = 2;
mDevice->RealOut.ChannelIndex[BackRight] = 3;
mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
mDevice->RealOut.ChannelIndex[LFE] = 5;
mDevice->RealOut.ChannelIndex[SideLeft] = 6;
mDevice->RealOut.ChannelIndex[SideRight] = 7;
mDevice->RealOut.ChannelIndex[TopFrontLeft] = 8;
mDevice->RealOut.ChannelIndex[TopFrontRight] = 9;
mDevice->RealOut.ChannelIndex[TopBackLeft] = 10;
mDevice->RealOut.ChannelIndex[TopBackRight] = 11;
break;
case DevFmtX7144:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[BackLeft] = 2;
mDevice->RealOut.ChannelIndex[BackRight] = 3;
mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
mDevice->RealOut.ChannelIndex[LFE] = 5;
mDevice->RealOut.ChannelIndex[SideLeft] = 6;
mDevice->RealOut.ChannelIndex[SideRight] = 7;
mDevice->RealOut.ChannelIndex[TopFrontLeft] = 8;
mDevice->RealOut.ChannelIndex[TopFrontRight] = 9;
mDevice->RealOut.ChannelIndex[TopBackLeft] = 10;
mDevice->RealOut.ChannelIndex[TopBackRight] = 11;
mDevice->RealOut.ChannelIndex[BottomFrontLeft] = 12;
mDevice->RealOut.ChannelIndex[BottomFrontRight] = 13;
mDevice->RealOut.ChannelIndex[BottomBackLeft] = 14;
mDevice->RealOut.ChannelIndex[BottomBackRight] = 15;
break;
case DevFmtX3D71:
mDevice->RealOut.ChannelIndex[FrontLeft] = 0;
mDevice->RealOut.ChannelIndex[FrontRight] = 1;
mDevice->RealOut.ChannelIndex[Aux0] = 2;
mDevice->RealOut.ChannelIndex[Aux1] = 3;
mDevice->RealOut.ChannelIndex[FrontCenter] = 4;
mDevice->RealOut.ChannelIndex[LFE] = 5;
mDevice->RealOut.ChannelIndex[SideLeft] = 6;
mDevice->RealOut.ChannelIndex[SideRight] = 7;
return;
/* Same as WFX order */
case DevFmtMono:
case DevFmtStereo:
case DevFmtQuad:
case DevFmtX61:
case DevFmtAmbi3D:
setDefaultWFXChannelOrder();
break;
}
}
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