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-rw-r--r--Alc/alc.cpp3
-rw-r--r--Alc/alu.cpp8
-rw-r--r--Alc/bformatdec.cpp70
-rw-r--r--Alc/bformatdec.h67
-rw-r--r--Alc/panning.cpp29
5 files changed, 70 insertions, 107 deletions
diff --git a/Alc/alc.cpp b/Alc/alc.cpp
index 9e4d1ac9..d96f6df0 100644
--- a/Alc/alc.cpp
+++ b/Alc/alc.cpp
@@ -2424,9 +2424,6 @@ ALCdevice_struct::~ALCdevice_struct()
al_free(Bs2b);
Bs2b = nullptr;
-
- bformatdec_free(&AmbiDecoder);
- ambiup_free(&AmbiUp);
}
diff --git a/Alc/alu.cpp b/Alc/alu.cpp
index da9d10f2..9372da85 100644
--- a/Alc/alu.cpp
+++ b/Alc/alu.cpp
@@ -114,7 +114,7 @@ void ProcessHrtf(ALCdevice *device, ALsizei SamplesToDo)
ALsizei c;
if(device->AmbiUp)
- ambiup_process(device->AmbiUp,
+ ambiup_process(device->AmbiUp.get(),
device->Dry.Buffer, device->Dry.NumChannels, device->FOAOut.Buffer,
SamplesToDo
);
@@ -137,11 +137,11 @@ void ProcessHrtf(ALCdevice *device, ALsizei SamplesToDo)
void ProcessAmbiDec(ALCdevice *device, ALsizei SamplesToDo)
{
if(device->Dry.Buffer != device->FOAOut.Buffer)
- bformatdec_upSample(device->AmbiDecoder,
+ bformatdec_upSample(device->AmbiDecoder.get(),
device->Dry.Buffer, device->FOAOut.Buffer, device->FOAOut.NumChannels,
SamplesToDo
);
- bformatdec_process(device->AmbiDecoder,
+ bformatdec_process(device->AmbiDecoder.get(),
device->RealOut.Buffer, device->RealOut.NumChannels, device->Dry.Buffer,
SamplesToDo
);
@@ -149,7 +149,7 @@ void ProcessAmbiDec(ALCdevice *device, ALsizei SamplesToDo)
void ProcessAmbiUp(ALCdevice *device, ALsizei SamplesToDo)
{
- ambiup_process(device->AmbiUp,
+ ambiup_process(device->AmbiUp.get(),
device->RealOut.Buffer, device->RealOut.NumChannels, device->FOAOut.Buffer,
SamplesToDo
);
diff --git a/Alc/bformatdec.cpp b/Alc/bformatdec.cpp
index f36cf08b..f82d2d9c 100644
--- a/Alc/bformatdec.cpp
+++ b/Alc/bformatdec.cpp
@@ -62,7 +62,8 @@ namespace {
#define HF_BAND 0
#define LF_BAND 1
-#define NUM_BANDS 2
+static_assert(BFormatDec::NumBands == 2, "Unexpected BFormatDec::NumBands");
+static_assert(AmbiUpsampler::NumBands == 2, "Unexpected AmbiUpsampler::NumBands");
/* These points are in AL coordinates! */
constexpr ALfloat Ambi3DPoints[8][3] = {
@@ -107,47 +108,6 @@ ALsizei GetACNIndex(const BFChannelConfig *chans, ALsizei numchans, ALsizei acn)
} // namespace
-/* NOTE: BandSplitter filters are unused with single-band decoding */
-struct BFormatDec {
- ALuint Enabled; /* Bitfield of enabled channels. */
-
- union {
- alignas(16) ALfloat Dual[MAX_OUTPUT_CHANNELS][NUM_BANDS][MAX_AMBI_COEFFS];
- alignas(16) ALfloat Single[MAX_OUTPUT_CHANNELS][MAX_AMBI_COEFFS];
- } Matrix;
-
- BandSplitter XOver[MAX_AMBI_COEFFS];
-
- al::vector<std::array<ALfloat,BUFFERSIZE>, 16> Samples;
- /* These two alias into Samples */
- std::array<ALfloat,BUFFERSIZE> *SamplesHF;
- std::array<ALfloat,BUFFERSIZE> *SamplesLF;
-
- alignas(16) ALfloat ChannelMix[BUFFERSIZE];
-
- struct {
- BandSplitter XOver;
- ALfloat Gains[NUM_BANDS];
- } UpSampler[4];
-
- ALsizei NumChannels;
- ALboolean DualBand;
-
- DEF_NEWDEL(BFormatDec)
-};
-
-BFormatDec *bformatdec_alloc()
-{ return new BFormatDec{}; }
-
-void bformatdec_free(BFormatDec **dec)
-{
- if(dec && *dec)
- {
- delete *dec;
- *dec = nullptr;
- }
-}
-
void bformatdec_reset(BFormatDec *dec, const AmbDecConf *conf, ALsizei chancount, ALuint srate, const ALsizei chanmap[MAX_OUTPUT_CHANNELS])
{
static constexpr ALsizei map2DTo3D[MAX_AMBI2D_COEFFS] = {
@@ -392,34 +352,12 @@ void bformatdec_upSample(struct BFormatDec *dec, ALfloat (*RESTRICT OutBuffer)[B
/* Now write each band to the output. */
MixRowSamples(OutBuffer[i], dec->UpSampler[i].Gains,
&reinterpret_cast<ALfloat(&)[BUFFERSIZE]>(dec->Samples[0]),
- NUM_BANDS, 0, SamplesToDo
+ BFormatDec::NumBands, 0, SamplesToDo
);
}
}
-struct AmbiUpsampler {
- alignas(16) ALfloat Samples[NUM_BANDS][BUFFERSIZE];
-
- BandSplitter XOver[4];
-
- ALfloat Gains[4][MAX_OUTPUT_CHANNELS][NUM_BANDS];
-
- DEF_NEWDEL(AmbiUpsampler)
-};
-
-AmbiUpsampler *ambiup_alloc()
-{ return new AmbiUpsampler{}; }
-
-void ambiup_free(struct AmbiUpsampler **ambiup)
-{
- if(ambiup)
- {
- delete *ambiup;
- *ambiup = nullptr;
- }
-}
-
void ambiup_reset(struct AmbiUpsampler *ambiup, const ALCdevice *device, ALfloat w_scale, ALfloat xyz_scale)
{
ALfloat ratio;
@@ -488,7 +426,7 @@ void ambiup_process(struct AmbiUpsampler *ambiup, ALfloat (*RESTRICT OutBuffer)[
for(j = 0;j < OutChannels;j++)
MixRowSamples(OutBuffer[j], ambiup->Gains[i][j],
- ambiup->Samples, NUM_BANDS, 0, SamplesToDo
+ ambiup->Samples, AmbiUpsampler::NumBands, 0, SamplesToDo
);
}
}
diff --git a/Alc/bformatdec.h b/Alc/bformatdec.h
index 964a89f9..0d3fe611 100644
--- a/Alc/bformatdec.h
+++ b/Alc/bformatdec.h
@@ -2,10 +2,12 @@
#define BFORMATDEC_H
#include "alMain.h"
+#include "filters/splitter.h"
+#include "almalloc.h"
+
+
+struct AmbDecConf;
-#ifdef __cplusplus
-extern "C" {
-#endif
/* These are the necessary scales for first-order HF responses to play over
* higher-order 2D (non-periphonic) decoders.
@@ -32,33 +34,62 @@ extern const ALfloat SN3D2N3DScale[MAX_AMBI_COEFFS];
extern const ALfloat FuMa2N3DScale[MAX_AMBI_COEFFS];
-struct AmbDecConf;
-struct BFormatDec;
-struct AmbiUpsampler;
+struct BFormatDec {
+ static constexpr size_t NumBands{2};
+
+ ALuint Enabled; /* Bitfield of enabled channels. */
+
+ union {
+ alignas(16) ALfloat Dual[MAX_OUTPUT_CHANNELS][NumBands][MAX_AMBI_COEFFS];
+ alignas(16) ALfloat Single[MAX_OUTPUT_CHANNELS][MAX_AMBI_COEFFS];
+ } Matrix;
+
+ /* NOTE: BandSplitter filters are unused with single-band decoding */
+ BandSplitter XOver[MAX_AMBI_COEFFS];
+ al::vector<std::array<ALfloat,BUFFERSIZE>, 16> Samples;
+ /* These two alias into Samples */
+ std::array<ALfloat,BUFFERSIZE> *SamplesHF;
+ std::array<ALfloat,BUFFERSIZE> *SamplesLF;
-struct BFormatDec *bformatdec_alloc();
-void bformatdec_free(struct BFormatDec **dec);
-void bformatdec_reset(struct BFormatDec *dec, const struct AmbDecConf *conf, ALsizei chancount, ALuint srate, const ALsizei chanmap[MAX_OUTPUT_CHANNELS]);
+ alignas(16) ALfloat ChannelMix[BUFFERSIZE];
+
+ struct {
+ BandSplitter XOver;
+ ALfloat Gains[NumBands];
+ } UpSampler[4];
+
+ ALsizei NumChannels;
+ ALboolean DualBand;
+
+ DEF_NEWDEL(BFormatDec)
+};
+
+void bformatdec_reset(BFormatDec *dec, const AmbDecConf *conf, ALsizei chancount, ALuint srate, const ALsizei chanmap[MAX_OUTPUT_CHANNELS]);
/* Decodes the ambisonic input to the given output channels. */
-void bformatdec_process(struct BFormatDec *dec, ALfloat (*RESTRICT OutBuffer)[BUFFERSIZE], ALsizei OutChannels, const ALfloat (*RESTRICT InSamples)[BUFFERSIZE], ALsizei SamplesToDo);
+void bformatdec_process(BFormatDec *dec, ALfloat (*RESTRICT OutBuffer)[BUFFERSIZE], ALsizei OutChannels, const ALfloat (*RESTRICT InSamples)[BUFFERSIZE], ALsizei SamplesToDo);
/* Up-samples a first-order input to the decoder's configuration. */
-void bformatdec_upSample(struct BFormatDec *dec, ALfloat (*RESTRICT OutBuffer)[BUFFERSIZE], const ALfloat (*RESTRICT InSamples)[BUFFERSIZE], ALsizei InChannels, ALsizei SamplesToDo);
+void bformatdec_upSample(BFormatDec *dec, ALfloat (*RESTRICT OutBuffer)[BUFFERSIZE], const ALfloat (*RESTRICT InSamples)[BUFFERSIZE], ALsizei InChannels, ALsizei SamplesToDo);
/* Stand-alone first-order upsampler. Kept here because it shares some stuff
* with bformatdec. Assumes a periphonic (4-channel) input mix!
*/
-struct AmbiUpsampler *ambiup_alloc();
-void ambiup_free(struct AmbiUpsampler **ambiup);
-void ambiup_reset(struct AmbiUpsampler *ambiup, const ALCdevice *device, ALfloat w_scale, ALfloat xyz_scale);
+struct AmbiUpsampler {
+ static constexpr size_t NumBands{2};
+
+ alignas(16) ALfloat Samples[NumBands][BUFFERSIZE];
+
+ BandSplitter XOver[4];
+
+ ALfloat Gains[4][MAX_OUTPUT_CHANNELS][NumBands];
-void ambiup_process(struct AmbiUpsampler *ambiup, ALfloat (*RESTRICT OutBuffer)[BUFFERSIZE], ALsizei OutChannels, const ALfloat (*RESTRICT InSamples)[BUFFERSIZE], ALsizei SamplesToDo);
+ DEF_NEWDEL(AmbiUpsampler)
+};
-#ifdef __cplusplus
-} // extern "C"
-#endif
+void ambiup_reset(AmbiUpsampler *ambiup, const ALCdevice *device, ALfloat w_scale, ALfloat xyz_scale);
+void ambiup_process(AmbiUpsampler *ambiup, ALfloat (*RESTRICT OutBuffer)[BUFFERSIZE], ALsizei OutChannels, const ALfloat (*RESTRICT InSamples)[BUFFERSIZE], ALsizei SamplesToDo);
#endif /* BFORMATDEC_H */
diff --git a/Alc/panning.cpp b/Alc/panning.cpp
index 4ffdf969..e9a410e1 100644
--- a/Alc/panning.cpp
+++ b/Alc/panning.cpp
@@ -563,7 +563,7 @@ static void InitPanning(ALCdevice *device)
w_scale = W_SCALE_2H2P;
xyz_scale = XYZ_SCALE_2H2P;
}
- ambiup_reset(device->AmbiUp, device, w_scale, xyz_scale);
+ ambiup_reset(device->AmbiUp.get(), device, w_scale, xyz_scale);
}
if(ConfigValueFloat(devname, "decoder", "nfc-ref-delay", &nfc_delay) && nfc_delay > 0.0f)
@@ -725,7 +725,7 @@ static void InitHQPanning(ALCdevice *device, const AmbDecConf *conf, const ALsiz
(conf->ChanMask > 0xf) ? (conf->ChanMask > 0x1ff) ? "third" : "second" : "first",
(conf->ChanMask&AMBI_PERIPHONIC_MASK) ? " periphonic" : ""
);
- bformatdec_reset(device->AmbiDecoder, conf, count, device->Frequency, speakermap);
+ bformatdec_reset(device->AmbiDecoder.get(), conf, count, device->Frequency, speakermap);
if(conf->ChanMask <= 0xf)
{
@@ -879,7 +879,7 @@ static void InitHrtfPanning(ALCdevice *device)
device->FOAOut.CoeffCount = 0;
device->FOAOut.NumChannels = 4;
- ambiup_reset(device->AmbiUp, device, AmbiOrderHFGainFOA[0] / AmbiOrderHFGain[0],
+ ambiup_reset(device->AmbiUp.get(), device, AmbiOrderHFGainFOA[0] / AmbiOrderHFGain[0],
AmbiOrderHFGainFOA[1] / AmbiOrderHFGain[1]);
}
else
@@ -995,20 +995,17 @@ void aluInitRenderer(ALCdevice *device, ALint hrtf_id, enum HrtfRequestMode hrtf
if(pconf && GetConfigValueBool(devname, "decoder", "hq-mode", 0))
{
- ambiup_free(&device->AmbiUp);
+ device->AmbiUp = nullptr;
if(!device->AmbiDecoder)
- device->AmbiDecoder = bformatdec_alloc();
+ device->AmbiDecoder.reset(new BFormatDec{});
}
else
{
- bformatdec_free(&device->AmbiDecoder);
+ device->AmbiDecoder = nullptr;
if(device->FmtChans != DevFmtAmbi3D || device->mAmbiOrder < 2)
- ambiup_free(&device->AmbiUp);
- else
- {
- if(!device->AmbiUp)
- device->AmbiUp = ambiup_alloc();
- }
+ device->AmbiUp = nullptr;
+ else if(!device->AmbiUp)
+ device->AmbiUp.reset(new AmbiUpsampler{});
}
if(!pconf)
@@ -1058,7 +1055,7 @@ void aluInitRenderer(ALCdevice *device, ALint hrtf_id, enum HrtfRequestMode hrtf
return;
}
- bformatdec_free(&device->AmbiDecoder);
+ device->AmbiDecoder = nullptr;
headphones = device->IsHeadphones;
if(device->Type != Loopback)
@@ -1147,12 +1144,12 @@ void aluInitRenderer(ALCdevice *device, ALint hrtf_id, enum HrtfRequestMode hrtf
/* Don't bother with HOA when using full HRTF rendering. Nothing
* needs it, and it eases the CPU/memory load.
*/
- ambiup_free(&device->AmbiUp);
+ device->AmbiUp = nullptr;
}
else
{
if(!device->AmbiUp)
- device->AmbiUp = ambiup_alloc();
+ device->AmbiUp.reset(new AmbiUpsampler{});
}
TRACE("%s HRTF rendering enabled, using \"%s\"\n",
@@ -1171,7 +1168,7 @@ no_hrtf:
device->Render_Mode = StereoPair;
- ambiup_free(&device->AmbiUp);
+ device->AmbiUp = nullptr;
bs2blevel = ((headphones && hrtf_appreq != Hrtf_Disable) ||
(hrtf_appreq == Hrtf_Enable)) ? 5 : 0;
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-04 22:21:16 +0000