Biquad filter integration to LVM : Reverb changes
Bug: 120944950
Test: reverb_test with lvm/tests/build_and_run_all_unit_tests_reverb.sh
Change-Id: I9bb7f639629808055a58b47785f58793fa822071
diff --git a/media/libeffects/lvm/lib/Android.bp b/media/libeffects/lvm/lib/Android.bp
index dbe0d62..34cad1f 100644
--- a/media/libeffects/lvm/lib/Android.bp
+++ b/media/libeffects/lvm/lib/Android.bp
@@ -204,10 +204,12 @@
"Reverb/lib",
"Common/lib",
],
-
+ static_libs: [
+ "libaudioutils",
+ ],
cppflags: [
+ "-DBIQUAD_OPT",
"-fvisibility=hidden",
-
"-Wall",
"-Werror",
],
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_ApplyNewSettings.cpp b/media/libeffects/lvm/lib/Reverb/src/LVREV_ApplyNewSettings.cpp
index 737ef01..be846eb 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_ApplyNewSettings.cpp
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_ApplyNewSettings.cpp
@@ -20,6 +20,10 @@
/* Includes */
/* */
/****************************************************************************************/
+
+#ifdef BIQUAD_OPT
+#include <system/audio.h>
+#endif
#include "LVREV_Private.h"
#include "Filter.h"
@@ -71,10 +75,17 @@
Omega = LVM_GetOmega(pPrivate->NewParams.HPF, pPrivate->NewParams.SampleRate);
LVM_FO_HPF(Omega, &Coeffs);
+#ifdef BIQUAD_OPT
+ const std::array<LVM_FLOAT, android::audio_utils::kBiquadNumCoefs> coefs = {
+ Coeffs.A0, Coeffs.A1, 0.0, -(Coeffs.B1), 0.0};
+ pPrivate->pRevHPFBiquad.reset(
+ new android::audio_utils::BiquadFilter<LVM_FLOAT>(FCC_1, coefs));
+#else
FO_1I_D32F32Cll_TRC_WRA_01_Init(&pPrivate->pFastCoef->HPCoefs, &pPrivate->pFastData->HPTaps,
&Coeffs);
LoadConst_Float(0, (LVM_FLOAT*)&pPrivate->pFastData->HPTaps,
sizeof(Biquad_1I_Order1_FLOAT_Taps_t) / sizeof(LVM_FLOAT));
+#endif
}
/*
@@ -99,10 +110,17 @@
LVM_FO_LPF(Omega, &Coeffs);
}
}
+#ifdef BIQUAD_OPT
+ const std::array<LVM_FLOAT, android::audio_utils::kBiquadNumCoefs> coefs = {
+ Coeffs.A0, Coeffs.A1, 0.0, -(Coeffs.B1), 0.0};
+ pPrivate->pRevLPFBiquad.reset(
+ new android::audio_utils::BiquadFilter<LVM_FLOAT>(FCC_1, coefs));
+#else
FO_1I_D32F32Cll_TRC_WRA_01_Init(&pPrivate->pFastCoef->LPCoefs, &pPrivate->pFastData->LPTaps,
&Coeffs);
LoadConst_Float(0, (LVM_FLOAT*)&pPrivate->pFastData->LPTaps,
sizeof(Biquad_1I_Order1_FLOAT_Taps_t) / sizeof(LVM_FLOAT));
+#endif
}
/*
@@ -231,8 +249,15 @@
Coeffs.A1 = 0;
Coeffs.B1 = 0;
}
+#ifdef BIQUAD_OPT
+ const std::array<LVM_FLOAT, android::audio_utils::kBiquadNumCoefs> coefs = {
+ Coeffs.A0, Coeffs.A1, 0.0, -(Coeffs.B1), 0.0};
+ pPrivate->revLPFBiquad[i].reset(
+ new android::audio_utils::BiquadFilter<LVM_FLOAT>(FCC_1, coefs));
+#else
FO_1I_D32F32Cll_TRC_WRA_01_Init(&pPrivate->pFastCoef->RevLPCoefs[i],
&pPrivate->pFastData->RevLPTaps[i], &Coeffs);
+#endif
}
}
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_ClearAudioBuffers.cpp b/media/libeffects/lvm/lib/Reverb/src/LVREV_ClearAudioBuffers.cpp
index 5c83ce5..f542a2b 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_ClearAudioBuffers.cpp
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_ClearAudioBuffers.cpp
@@ -56,13 +56,24 @@
* Clear all filter tap data, delay-lines and other signal related data
*/
+#ifdef BIQUAD_OPT
+ pLVREV_Private->pRevHPFBiquad->clear();
+ pLVREV_Private->pRevLPFBiquad->clear();
+#else
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->HPTaps, 2);
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->LPTaps, 2);
+#endif
if ((LVM_UINT16)pLVREV_Private->InstanceParams.NumDelays == LVREV_DELAYLINES_4) {
+#ifdef BIQUAD_OPT
+ for (int i = 0; i < LVREV_DELAYLINES_4; i++) {
+ pLVREV_Private->revLPFBiquad[i]->clear();
+ }
+#else
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->RevLPTaps[3], 2);
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->RevLPTaps[2], 2);
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->RevLPTaps[1], 2);
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->RevLPTaps[0], 2);
+#endif
LoadConst_Float(0, pLVREV_Private->pDelay_T[3], LVREV_MAX_T3_DELAY);
LoadConst_Float(0, pLVREV_Private->pDelay_T[2], LVREV_MAX_T2_DELAY);
@@ -71,15 +82,25 @@
}
if ((LVM_UINT16)pLVREV_Private->InstanceParams.NumDelays >= LVREV_DELAYLINES_2) {
+#ifdef BIQUAD_OPT
+ for (int i = 0; i < LVREV_DELAYLINES_2; i++) {
+ pLVREV_Private->revLPFBiquad[i]->clear();
+ }
+#else
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->RevLPTaps[1], 2);
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->RevLPTaps[0], 2);
+#endif
LoadConst_Float(0, pLVREV_Private->pDelay_T[1], LVREV_MAX_T1_DELAY);
LoadConst_Float(0, pLVREV_Private->pDelay_T[0], LVREV_MAX_T0_DELAY);
}
if ((LVM_UINT16)pLVREV_Private->InstanceParams.NumDelays >= LVREV_DELAYLINES_1) {
+#ifdef BIQUAD_OPT
+ pLVREV_Private->revLPFBiquad[0]->clear();
+#else
LoadConst_Float(0, (LVM_FLOAT*)&pLVREV_Private->pFastData->RevLPTaps[0], 2);
+#endif
LoadConst_Float(0, pLVREV_Private->pDelay_T[0], LVREV_MAX_T0_DELAY);
}
return LVREV_SUCCESS;
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_GetInstanceHandle.cpp b/media/libeffects/lvm/lib/Reverb/src/LVREV_GetInstanceHandle.cpp
index b5db23b..6ed0605 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_GetInstanceHandle.cpp
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_GetInstanceHandle.cpp
@@ -134,9 +134,11 @@
/*
* Set the data, coefficient and temporary memory pointers
*/
+#ifndef BIQUAD_OPT
/* Fast data memory base address */
pLVREV_Private->pFastData =
(LVREV_FastData_st*)InstAlloc_AddMember(&FastData, sizeof(LVREV_FastData_st));
+#endif
if (pInstanceParams->NumDelays == LVREV_DELAYLINES_4) {
pLVREV_Private->pDelay_T[3] =
(LVM_FLOAT*)InstAlloc_AddMember(&FastData, LVREV_MAX_T3_DELAY * sizeof(LVM_FLOAT));
@@ -194,9 +196,11 @@
pLVREV_Private->T[3] = LVREV_MAX_T3_DELAY;
pLVREV_Private->AB_Selection = 1; /* Select smoothing A to B */
+#ifndef BIQUAD_OPT
/* Fast coefficient memory base address */
pLVREV_Private->pFastCoef =
(LVREV_FastCoef_st*)InstAlloc_AddMember(&FastCoef, sizeof(LVREV_FastCoef_st));
+#endif
/* General purpose scratch */
pLVREV_Private->pScratch =
(LVM_FLOAT*)InstAlloc_AddMember(&Temporary, sizeof(LVM_FLOAT) * MaxBlockSize);
@@ -308,6 +312,17 @@
pLVREV_Private->A_DelaySize[3] = LVREV_MAX_AP3_DELAY;
pLVREV_Private->B_DelaySize[3] = LVREV_MAX_AP3_DELAY;
+#ifdef BIQUAD_OPT
+ pLVREV_Private->pRevHPFBiquad.reset(
+ new android::audio_utils::BiquadFilter<LVM_FLOAT>(LVM_MAX_CHANNELS));
+ pLVREV_Private->pRevLPFBiquad.reset(
+ new android::audio_utils::BiquadFilter<LVM_FLOAT>(LVM_MAX_CHANNELS));
+ for (int i = 0; i < LVREV_DELAYLINES_4; i++) {
+ pLVREV_Private->revLPFBiquad[i].reset(
+ new android::audio_utils::BiquadFilter<LVM_FLOAT>(LVM_MAX_CHANNELS));
+ }
+#endif
+
LVREV_ClearAudioBuffers(*phInstance);
return LVREV_SUCCESS;
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_GetMemoryTable.cpp b/media/libeffects/lvm/lib/Reverb/src/LVREV_GetMemoryTable.cpp
index 2c1e04d..e8b2019 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_GetMemoryTable.cpp
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_GetMemoryTable.cpp
@@ -139,7 +139,9 @@
/*
* Persistent fast data memory
*/
+#ifndef BIQUAD_OPT
InstAlloc_AddMember(&FastData, sizeof(LVREV_FastData_st));
+#endif
if (pInstanceParams->NumDelays == LVREV_DELAYLINES_4) {
InstAlloc_AddMember(&FastData, LVREV_MAX_T3_DELAY * sizeof(LVM_FLOAT));
InstAlloc_AddMember(&FastData, LVREV_MAX_T2_DELAY * sizeof(LVM_FLOAT));
@@ -163,7 +165,9 @@
/*
* Persistent fast coefficient memory
*/
+#ifndef BIQUAD_OPT
InstAlloc_AddMember(&FastCoef, sizeof(LVREV_FastCoef_st));
+#endif
pMemoryTable->Region[LVM_PERSISTENT_FAST_COEF].Size = InstAlloc_GetTotal(&FastCoef);
pMemoryTable->Region[LVM_PERSISTENT_FAST_COEF].Type = LVM_PERSISTENT_FAST_COEF;
pMemoryTable->Region[LVM_PERSISTENT_FAST_COEF].pBaseAddress = LVM_NULL;
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_Private.h b/media/libeffects/lvm/lib/Reverb/src/LVREV_Private.h
index b6edb03..e52a1ca 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_Private.h
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_Private.h
@@ -23,6 +23,10 @@
/* Includes */
/* */
/****************************************************************************************/
+
+#ifdef BIQUAD_OPT
+#include <audio_utils/BiquadFilter.h>
+#endif
#include "LVREV.h"
#include "LVREV_Tables.h"
#include "BIQUAD.h"
@@ -101,12 +105,12 @@
/* */
/****************************************************************************************/
+#ifndef BIQUAD_OPT
/* Fast data structure */
typedef struct {
Biquad_1I_Order1_FLOAT_Taps_t HPTaps; /* High pass filter taps */
Biquad_1I_Order1_FLOAT_Taps_t LPTaps; /* Low pass filter taps */
Biquad_1I_Order1_FLOAT_Taps_t RevLPTaps[4]; /* Reverb low pass filters taps */
-
} LVREV_FastData_st;
/* Fast coefficient structure */
@@ -114,8 +118,9 @@
Biquad_FLOAT_Instance_t HPCoefs; /* High pass filter coefficients */
Biquad_FLOAT_Instance_t LPCoefs; /* Low pass filter coefficients */
Biquad_FLOAT_Instance_t RevLPCoefs[4]; /* Reverb low pass filters coefficients */
-
} LVREV_FastCoef_st;
+#endif
+
typedef struct {
/* General */
LVREV_InstanceParams_st InstanceParams; /* Initialisation time instance parameters */
@@ -134,8 +139,17 @@
processing */
/* Aligned memory pointers */
- LVREV_FastData_st* pFastData; /* Fast data memory base address */
- LVREV_FastCoef_st* pFastCoef; /* Fast coefficient memory base address */
+#ifdef BIQUAD_OPT
+ std::unique_ptr<android::audio_utils::BiquadFilter<LVM_FLOAT>>
+ pRevHPFBiquad; /* Biquad filter instance for HPF */
+ std::unique_ptr<android::audio_utils::BiquadFilter<LVM_FLOAT>>
+ pRevLPFBiquad; /* Biquad filter instance for LPF */
+ std::array<std::unique_ptr<android::audio_utils::BiquadFilter<LVM_FLOAT>>, LVREV_DELAYLINES_4>
+ revLPFBiquad; /* Biquad filter instance for Reverb LPF */
+#else
+ LVREV_FastData_st* pFastData; /* Fast data memory base address */
+ LVREV_FastCoef_st* pFastCoef; /* Fast coefficient memory base address */
+#endif
LVM_FLOAT* pScratchDelayLine[4]; /* Delay line scratch memory */
LVM_FLOAT* pScratch; /* Multi ussge scratch */
LVM_FLOAT* pInputSave; /* Reverb block input save for dry/wet
diff --git a/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.cpp b/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.cpp
index ed3b89c..e4f939f 100644
--- a/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.cpp
+++ b/media/libeffects/lvm/lib/Reverb/src/LVREV_Process.cpp
@@ -204,11 +204,20 @@
/*
* High pass filter
*/
+#ifdef BIQUAD_OPT
+ pPrivate->pRevHPFBiquad->process(pTemp, pTemp, NumSamples);
+#else
FO_1I_D32F32C31_TRC_WRA_01(&pPrivate->pFastCoef->HPCoefs, pTemp, pTemp, (LVM_INT16)NumSamples);
+#endif
+
/*
* Low pass filter
*/
+#ifdef BIQUAD_OPT
+ pPrivate->pRevLPFBiquad->process(pTemp, pTemp, NumSamples);
+#else
FO_1I_D32F32C31_TRC_WRA_01(&pPrivate->pFastCoef->LPCoefs, pTemp, pTemp, (LVM_INT16)NumSamples);
+#endif
/*
* Process all delay lines
@@ -253,8 +262,12 @@
/*
* Low pass filter
*/
+#ifdef BIQUAD_OPT
+ pPrivate->revLPFBiquad[j]->process(pDelayLine, pDelayLine, NumSamples);
+#else
FO_1I_D32F32C31_TRC_WRA_01(&pPrivate->pFastCoef->RevLPCoefs[j], pDelayLine, pDelayLine,
(LVM_INT16)NumSamples);
+#endif
}
/*