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-rw-r--r--alc/backends/base.cpp184
1 files changed, 162 insertions, 22 deletions
diff --git a/alc/backends/base.cpp b/alc/backends/base.cpp
index 25531cf5..e5ad8494 100644
--- a/alc/backends/base.cpp
+++ b/alc/backends/base.cpp
@@ -3,49 +3,54 @@
#include "base.h"
+#include <algorithm>
+#include <array>
#include <atomic>
-#include <thread>
-#include "AL/al.h"
+#ifdef _WIN32
+#define WIN32_LEAN_AND_MEAN
+#include <windows.h>
+#include <mmreg.h>
+
+#include "albit.h"
+#include "core/logging.h"
+#include "aloptional.h"
+#endif
-#include "alcmain.h"
-#include "alexcpt.h"
-#include "alnumeric.h"
#include "atomic.h"
+#include "core/devformat.h"
+
+namespace al {
-ClockLatency GetClockLatency(ALCdevice *device)
+backend_exception::backend_exception(backend_error code, const char *msg, ...) : mErrorCode{code}
{
- BackendBase *backend{device->Backend.get()};
- ClockLatency ret{backend->getClockLatency()};
- ret.Latency += device->FixedLatency;
- return ret;
+ std::va_list args;
+ va_start(args, msg);
+ setMessage(msg, args);
+ va_end(args);
}
+backend_exception::~backend_exception() = default;
+} // namespace al
-/* BackendBase method implementations. */
-BackendBase::BackendBase(ALCdevice *device) noexcept : mDevice{device}
-{ }
-
-BackendBase::~BackendBase() = default;
bool BackendBase::reset()
-{ throw al::backend_exception{ALC_INVALID_DEVICE, "Invalid BackendBase call"}; }
+{ throw al::backend_exception{al::backend_error::DeviceError, "Invalid BackendBase call"}; }
-ALCenum BackendBase::captureSamples(al::byte*, ALCuint)
-{ return ALC_INVALID_DEVICE; }
+void BackendBase::captureSamples(al::byte*, uint)
+{ }
-ALCuint BackendBase::availableSamples()
+uint BackendBase::availableSamples()
{ return 0; }
ClockLatency BackendBase::getClockLatency()
{
ClockLatency ret;
- ALuint refcount;
+ uint refcount;
do {
- while(((refcount=ReadRef(mDevice->MixCount))&1) != 0)
- std::this_thread::yield();
+ refcount = mDevice->waitForMix();
ret.ClockTime = GetDeviceClockTime(mDevice);
std::atomic_thread_fence(std::memory_order_acquire);
} while(refcount != ReadRef(mDevice->MixCount));
@@ -60,3 +65,138 @@ ClockLatency BackendBase::getClockLatency()
return ret;
}
+
+void BackendBase::setDefaultWFXChannelOrder()
+{
+ 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 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()
+{
+ 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 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;
+ }
+}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 02:33:04 +0000