aboutsummaryrefslogtreecommitdiffstats
path: root/Alc
diff options
context:
space:
mode:
Diffstat (limited to 'Alc')
-rw-r--r--Alc/ALc.c50
-rw-r--r--Alc/ALu.c7
-rw-r--r--Alc/bformatdec.c22
-rw-r--r--Alc/bformatdec.h1
-rw-r--r--Alc/panning.c16
5 files changed, 55 insertions, 41 deletions
diff --git a/Alc/ALc.c b/Alc/ALc.c
index 17b2727d..d200733b 100644
--- a/Alc/ALc.c
+++ b/Alc/ALc.c
@@ -2118,16 +2118,21 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList)
aluInitRenderer(device, hrtf_id, hrtf_appreq, hrtf_userreq);
/* Allocate extra channels for any post-filter output. */
- size = device->Dry.NumChannels * sizeof(device->Dry.Buffer[0]);
- if((device->AmbiDecoder && bformatdec_getOrder(device->AmbiDecoder) >= 2))
- size += (ChannelsFromDevFmt(device->FmtChans)+4) * sizeof(device->Dry.Buffer[0]);
- else if(device->Hrtf.Handle || device->Uhj_Encoder || device->AmbiDecoder)
+ size = device->Dry.NumChannels;
+ if(device->AmbiDecoder && bformatdec_getOrder(device->AmbiDecoder) >= 2)
{
- size += ChannelsFromDevFmt(device->FmtChans) * sizeof(device->Dry.Buffer[0]);
- if(device->AmbiUp) size += 4 * sizeof(device->Dry.Buffer[0]);
+ size += ChannelsFromDevFmt(device->FmtChans);
+ size += bformatdec_isPeriphonic(device->AmbiDecoder) ? 4 : 3;
}
- else if(device->AmbiUp)
- size += 4 * sizeof(device->Dry.Buffer[0]);
+ else
+ {
+ if(device->Hrtf.Handle || device->Uhj_Encoder || device->AmbiDecoder)
+ size += ChannelsFromDevFmt(device->FmtChans);
+ if(device->AmbiUp)
+ size += 4;
+ }
+ size *= sizeof(device->Dry.Buffer[0]);
+
TRACE("Allocating "SZFMT" channels, "SZFMT" bytes\n", size/sizeof(device->Dry.Buffer[0]), size);
device->Dry.Buffer = al_calloc(16, size);
if(!device->Dry.Buffer)
@@ -2136,30 +2141,33 @@ static ALCenum UpdateDeviceParams(ALCdevice *device, const ALCint *attrList)
return ALC_INVALID_DEVICE;
}
- if(device->Hrtf.Handle || device->Uhj_Encoder || device->AmbiDecoder)
- {
- device->RealOut.Buffer = device->Dry.Buffer + device->Dry.NumChannels;
- device->RealOut.NumChannels = ChannelsFromDevFmt(device->FmtChans);
- }
- else
- {
- device->RealOut.Buffer = device->Dry.Buffer;
- device->RealOut.NumChannels = device->Dry.NumChannels;
- }
-
if((device->AmbiDecoder && bformatdec_getOrder(device->AmbiDecoder) >= 2) || device->AmbiUp)
{
/* Higher-order rendering requires upsampling first-order content, so
* make sure to mix it separately.
*/
- device->FOAOut.Buffer = device->RealOut.Buffer + device->RealOut.NumChannels;
- device->FOAOut.NumChannels = 4;
+ device->FOAOut.Buffer = device->Dry.Buffer + device->Dry.NumChannels;
+ if((device->AmbiDecoder && bformatdec_isPeriphonic(device->AmbiDecoder)) || device->AmbiUp)
+ device->FOAOut.NumChannels = 4;
+ else
+ device->FOAOut.NumChannels = 3;
}
else
{
device->FOAOut.Buffer = device->Dry.Buffer;
device->FOAOut.NumChannels = device->Dry.NumChannels;
}
+
+ if(device->Hrtf.Handle || device->Uhj_Encoder || device->AmbiDecoder)
+ {
+ device->RealOut.Buffer = device->FOAOut.Buffer + device->FOAOut.NumChannels;
+ device->RealOut.NumChannels = ChannelsFromDevFmt(device->FmtChans);
+ }
+ else
+ {
+ device->RealOut.Buffer = device->Dry.Buffer;
+ device->RealOut.NumChannels = device->Dry.NumChannels;
+ }
TRACE("Channel config, Dry: %d, FOA: %d, Real: %d\n", device->Dry.NumChannels,
device->FOAOut.NumChannels, device->RealOut.NumChannels);
diff --git a/Alc/ALu.c b/Alc/ALu.c
index 9dcef6ff..2476622b 100644
--- a/Alc/ALu.c
+++ b/Alc/ALu.c
@@ -81,7 +81,6 @@ extern inline ALuint64 clampu64(ALuint64 val, ALuint64 min, ALuint64 max);
extern inline ALfloat lerp(ALfloat val1, ALfloat val2, ALfloat mu);
extern inline ALfloat resample_fir4(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3, ALuint frac);
-extern inline ALfloat resample_fir8(ALfloat val0, ALfloat val1, ALfloat val2, ALfloat val3, ALfloat val4, ALfloat val5, ALfloat val6, ALfloat val7, ALuint frac);
extern inline void aluVectorSet(aluVector *restrict vector, ALfloat x, ALfloat y, ALfloat z, ALfloat w);
@@ -1415,12 +1414,12 @@ void aluMixData(ALCdevice *device, ALvoid *buffer, ALsizei size)
SamplesToDo = mini(size, BUFFERSIZE);
for(c = 0;c < device->Dry.NumChannels;c++)
memset(device->Dry.Buffer[c], 0, SamplesToDo*sizeof(ALfloat));
- if(device->Dry.Buffer != device->RealOut.Buffer)
- for(c = 0;c < device->RealOut.NumChannels;c++)
- memset(device->RealOut.Buffer[c], 0, SamplesToDo*sizeof(ALfloat));
if(device->Dry.Buffer != device->FOAOut.Buffer)
for(c = 0;c < device->FOAOut.NumChannels;c++)
memset(device->FOAOut.Buffer[c], 0, SamplesToDo*sizeof(ALfloat));
+ if(device->Dry.Buffer != device->RealOut.Buffer)
+ for(c = 0;c < device->RealOut.NumChannels;c++)
+ memset(device->RealOut.Buffer[c], 0, SamplesToDo*sizeof(ALfloat));
IncrementRef(&device->MixCount);
diff --git a/Alc/bformatdec.c b/Alc/bformatdec.c
index fc0dee47..549cd42c 100644
--- a/Alc/bformatdec.c
+++ b/Alc/bformatdec.c
@@ -184,10 +184,7 @@ typedef struct BFormatDec {
} Delay[MAX_OUTPUT_CHANNELS];
struct {
- ALsizei Index;
-
BandSplitter XOver;
-
ALfloat Gains[FB_Max];
} UpSampler[4];
@@ -233,6 +230,11 @@ int bformatdec_getOrder(const struct BFormatDec *dec)
return 0;
}
+int bformatdec_isPeriphonic(const struct BFormatDec *dec)
+{
+ return dec->Periphonic;
+}
+
void bformatdec_reset(BFormatDec *dec, const AmbDecConf *conf, ALsizei chancount, ALuint srate, const ALsizei chanmap[MAX_OUTPUT_CHANNELS], int flags)
{
static const ALsizei map2DTo3D[MAX_AMBI2D_COEFFS] = {
@@ -271,13 +273,11 @@ void bformatdec_reset(BFormatDec *dec, const AmbDecConf *conf, ALsizei chancount
{
dec->Periphonic = AL_TRUE;
- dec->UpSampler[0].Index = 0;
dec->UpSampler[0].Gains[FB_HighFreq] = (dec->NumChannels > 9) ? W_SCALE3D_THIRD :
(dec->NumChannels > 4) ? W_SCALE3D_SECOND : 1.0f;
dec->UpSampler[0].Gains[FB_LowFreq] = 1.0f;
for(i = 1;i < 4;i++)
{
- dec->UpSampler[i].Index = i;
dec->UpSampler[i].Gains[FB_HighFreq] = (dec->NumChannels > 9) ? XYZ_SCALE3D_THIRD :
(dec->NumChannels > 4) ? XYZ_SCALE3D_SECOND : 1.0f;
dec->UpSampler[i].Gains[FB_LowFreq] = 1.0f;
@@ -287,17 +287,17 @@ void bformatdec_reset(BFormatDec *dec, const AmbDecConf *conf, ALsizei chancount
{
dec->Periphonic = AL_FALSE;
- dec->UpSampler[0].Index = 0;
dec->UpSampler[0].Gains[FB_HighFreq] = (dec->NumChannels > 5) ? W_SCALE2D_THIRD :
(dec->NumChannels > 3) ? W_SCALE2D_SECOND : 1.0f;
dec->UpSampler[0].Gains[FB_LowFreq] = 1.0f;
- for(i = 1;i < 4;i++)
+ for(i = 1;i < 3;i++)
{
- dec->UpSampler[i].Index = (i>2) ? i-1 : ((i==2) ? INVALID_UPSAMPLE_INDEX : i);
dec->UpSampler[i].Gains[FB_HighFreq] = (dec->NumChannels > 5) ? XYZ_SCALE2D_THIRD :
(dec->NumChannels > 3) ? XYZ_SCALE2D_SECOND : 1.0f;
dec->UpSampler[i].Gains[FB_LowFreq] = 1.0f;
}
+ dec->UpSampler[3].Gains[FB_HighFreq] = 0.0f;
+ dec->UpSampler[3].Gains[FB_LowFreq] = 0.0f;
}
maxdist = 0.0f;
@@ -553,10 +553,6 @@ void bformatdec_upSample(struct BFormatDec *dec, ALfloat (*restrict OutBuffer)[B
*/
for(i = 0;i < InChannels;i++)
{
- ALsizei dst_chan = dec->UpSampler[i].Index;
- if(dst_chan == INVALID_UPSAMPLE_INDEX)
- continue;
-
/* First, split the first-order components into low and high frequency
* bands.
*/
@@ -566,7 +562,7 @@ void bformatdec_upSample(struct BFormatDec *dec, ALfloat (*restrict OutBuffer)[B
);
/* Now write each band to the output. */
- MixMatrixRow(OutBuffer[dst_chan], dec->UpSampler[i].Gains,
+ MixMatrixRow(OutBuffer[i], dec->UpSampler[i].Gains,
SAFE_CONST(ALfloatBUFFERSIZE*,dec->Samples), FB_Max, 0,
SamplesToDo
);
diff --git a/Alc/bformatdec.h b/Alc/bformatdec.h
index 06c14ec3..5f6e230d 100644
--- a/Alc/bformatdec.h
+++ b/Alc/bformatdec.h
@@ -32,6 +32,7 @@ enum BFormatDecFlags {
struct BFormatDec *bformatdec_alloc();
void bformatdec_free(struct BFormatDec *dec);
int bformatdec_getOrder(const struct BFormatDec *dec);
+int bformatdec_isPeriphonic(const struct BFormatDec *dec);
void bformatdec_reset(struct BFormatDec *dec, const struct AmbDecConf *conf, ALsizei chancount, ALuint srate, const ALsizei chanmap[MAX_OUTPUT_CHANNELS], int flags);
/* Decodes the ambisonic input to the given output channels. */
diff --git a/Alc/panning.c b/Alc/panning.c
index 98da032e..eb2ec0c8 100644
--- a/Alc/panning.c
+++ b/Alc/panning.c
@@ -742,10 +742,20 @@ static void InitHQPanning(ALCdevice *device, const AmbDecConf *conf, const ALsiz
else
{
memset(&device->FOAOut.Ambi, 0, sizeof(device->FOAOut.Ambi));
- for(i = 0;i < 4;i++)
+ if((conf->ChanMask&AMBI_PERIPHONIC_MASK))
+ for(i = 0;i < 4;i++)
+ {
+ device->FOAOut.Ambi.Map[i].Scale = 1.0f;
+ device->FOAOut.Ambi.Map[i].Index = i;
+ }
+ else
{
- device->FOAOut.Ambi.Map[i].Scale = 1.0f;
- device->FOAOut.Ambi.Map[i].Index = i;
+ static const int map[3] = { 0, 1, 3 };
+ for(i = 0;i < 3;i++)
+ {
+ device->FOAOut.Ambi.Map[i].Scale = 1.0f;
+ device->FOAOut.Ambi.Map[i].Index = map[i];
+ }
}
device->FOAOut.CoeffCount = 0;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-30 10:52:31 +0000