EffectBundle.cpp revision 02521e37c0494b83947c35160f3669de8adc9e5b
1/*
2 * Copyright (C) 2010-2010 NXP Software
3 * Copyright (C) 2009 The Android Open Source Project
4 *
5 * Licensed under the Apache License, Version 2.0 (the "License");
6 * you may not use this file except in compliance with the License.
7 * You may obtain a copy of the License at
8 *
9 *      http://www.apache.org/licenses/LICENSE-2.0
10 *
11 * Unless required by applicable law or agreed to in writing, software
12 * distributed under the License is distributed on an "AS IS" BASIS,
13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 * See the License for the specific language governing permissions and
15 * limitations under the License.
16 */
17
18#define LOG_TAG "Bundle"
19#define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
20//#define LOG_NDEBUG 0
21
22#include <assert.h>
23#include <inttypes.h>
24#include <new>
25#include <stdlib.h>
26#include <string.h>
27
28#include <cutils/log.h>
29#include "EffectBundle.h"
30
31
32// effect_handle_t interface implementation for bass boost
33extern "C" const struct effect_interface_s gLvmEffectInterface;
34
35#define LVM_ERROR_CHECK(LvmStatus, callingFunc, calledFunc){\
36        if (LvmStatus == LVM_NULLADDRESS){\
37            ALOGV("\tLVM_ERROR : Parameter error - "\
38                    "null pointer returned by %s in %s\n\n\n\n", callingFunc, calledFunc);\
39        }\
40        if (LvmStatus == LVM_ALIGNMENTERROR){\
41            ALOGV("\tLVM_ERROR : Parameter error - "\
42                    "bad alignment returned by %s in %s\n\n\n\n", callingFunc, calledFunc);\
43        }\
44        if (LvmStatus == LVM_INVALIDNUMSAMPLES){\
45            ALOGV("\tLVM_ERROR : Parameter error - "\
46                    "bad number of samples returned by %s in %s\n\n\n\n", callingFunc, calledFunc);\
47        }\
48        if (LvmStatus == LVM_OUTOFRANGE){\
49            ALOGV("\tLVM_ERROR : Parameter error - "\
50                    "out of range returned by %s in %s\n", callingFunc, calledFunc);\
51        }\
52    }
53
54
55static inline int16_t clamp16(int32_t sample)
56{
57    // check overflow for both positive and negative values:
58    // all bits above short range must me equal to sign bit
59    if ((sample>>15) ^ (sample>>31))
60        sample = 0x7FFF ^ (sample>>31);
61    return sample;
62}
63
64// Namespaces
65namespace android {
66namespace {
67
68// Flag to allow a one time init of global memory, only happens on first call ever
69int LvmInitFlag = LVM_FALSE;
70SessionContext GlobalSessionMemory[LVM_MAX_SESSIONS];
71int SessionIndex[LVM_MAX_SESSIONS];
72
73/* local functions */
74#define CHECK_ARG(cond) {                     \
75    if (!(cond)) {                            \
76        ALOGV("\tLVM_ERROR : Invalid argument: "#cond);      \
77        return -EINVAL;                       \
78    }                                         \
79}
80
81
82// NXP SW BassBoost UUID
83const effect_descriptor_t gBassBoostDescriptor = {
84        {0x0634f220, 0xddd4, 0x11db, 0xa0fc, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b }},
85        {0x8631f300, 0x72e2, 0x11df, 0xb57e, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid
86        EFFECT_CONTROL_API_VERSION,
87        (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_DEVICE_IND
88        | EFFECT_FLAG_VOLUME_CTRL),
89        BASS_BOOST_CUP_LOAD_ARM9E,
90        BUNDLE_MEM_USAGE,
91        "Dynamic Bass Boost",
92        "NXP Software Ltd.",
93};
94
95// NXP SW Virtualizer UUID
96const effect_descriptor_t gVirtualizerDescriptor = {
97        {0x37cc2c00, 0xdddd, 0x11db, 0x8577, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
98        {0x1d4033c0, 0x8557, 0x11df, 0x9f2d, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
99        EFFECT_CONTROL_API_VERSION,
100        (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_LAST | EFFECT_FLAG_DEVICE_IND
101        | EFFECT_FLAG_VOLUME_CTRL),
102        VIRTUALIZER_CUP_LOAD_ARM9E,
103        BUNDLE_MEM_USAGE,
104        "Virtualizer",
105        "NXP Software Ltd.",
106};
107
108// NXP SW Equalizer UUID
109const effect_descriptor_t gEqualizerDescriptor = {
110        {0x0bed4300, 0xddd6, 0x11db, 0x8f34, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // type
111        {0xce772f20, 0x847d, 0x11df, 0xbb17, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}}, // uuid Eq NXP
112        EFFECT_CONTROL_API_VERSION,
113        (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_VOLUME_CTRL),
114        EQUALIZER_CUP_LOAD_ARM9E,
115        BUNDLE_MEM_USAGE,
116        "Equalizer",
117        "NXP Software Ltd.",
118};
119
120// NXP SW Volume UUID
121const effect_descriptor_t gVolumeDescriptor = {
122        {0x09e8ede0, 0xddde, 0x11db, 0xb4f6, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b }},
123        {0x119341a0, 0x8469, 0x11df, 0x81f9, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b }}, //uuid VOL NXP
124        EFFECT_CONTROL_API_VERSION,
125        (EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_LAST | EFFECT_FLAG_VOLUME_CTRL),
126        VOLUME_CUP_LOAD_ARM9E,
127        BUNDLE_MEM_USAGE,
128        "Volume",
129        "NXP Software Ltd.",
130};
131
132//--- local function prototypes
133void LvmGlobalBundle_init      (void);
134int  LvmBundle_init            (EffectContext *pContext);
135int  LvmEffect_enable          (EffectContext *pContext);
136int  LvmEffect_disable         (EffectContext *pContext);
137void LvmEffect_free            (EffectContext *pContext);
138int  Effect_setConfig          (EffectContext *pContext, effect_config_t *pConfig);
139void Effect_getConfig          (EffectContext *pContext, effect_config_t *pConfig);
140int  BassBoost_setParameter    (EffectContext *pContext, void *pParam, void *pValue);
141int  BassBoost_getParameter    (EffectContext *pContext,
142                               void           *pParam,
143                               uint32_t       *pValueSize,
144                               void           *pValue);
145int  Virtualizer_setParameter  (EffectContext *pContext, void *pParam, void *pValue);
146int  Virtualizer_getParameter  (EffectContext *pContext,
147                               void           *pParam,
148                               uint32_t       *pValueSize,
149                               void           *pValue);
150int  Equalizer_setParameter    (EffectContext *pContext, void *pParam, void *pValue);
151int  Equalizer_getParameter    (EffectContext *pContext,
152                                void          *pParam,
153                                uint32_t      *pValueSize,
154                                void          *pValue);
155int  Volume_setParameter       (EffectContext *pContext, void *pParam, void *pValue);
156int  Volume_getParameter       (EffectContext *pContext,
157                                void          *pParam,
158                                uint32_t      *pValueSize,
159                                void          *pValue);
160int Effect_setEnabled(EffectContext *pContext, bool enabled);
161
162/* Effect Library Interface Implementation */
163
164extern "C" int EffectCreate(const effect_uuid_t *uuid,
165                            int32_t             sessionId,
166                            int32_t             ioId __unused,
167                            effect_handle_t  *pHandle){
168    int ret = 0;
169    int sessionNo;
170    int i;
171    EffectContext *pContext = NULL;
172    bool newBundle = false;
173    SessionContext *pSessionContext;
174
175    ALOGV("\n\tEffectCreate start session %d", sessionId);
176
177    if (pHandle == NULL || uuid == NULL){
178        ALOGV("\tLVM_ERROR : EffectCreate() called with NULL pointer");
179        ret = -EINVAL;
180        goto exit;
181    }
182
183    if(LvmInitFlag == LVM_FALSE){
184        LvmInitFlag = LVM_TRUE;
185        ALOGV("\tEffectCreate - Initializing all global memory");
186        LvmGlobalBundle_init();
187    }
188
189    // Find next available sessionNo
190    for(i=0; i<LVM_MAX_SESSIONS; i++){
191        if((SessionIndex[i] == LVM_UNUSED_SESSION)||(SessionIndex[i] == sessionId)){
192            sessionNo       = i;
193            SessionIndex[i] = sessionId;
194            ALOGV("\tEffectCreate: Allocating SessionNo %d for SessionId %d\n", sessionNo,sessionId);
195            break;
196        }
197    }
198
199    if(i==LVM_MAX_SESSIONS){
200        ALOGV("\tLVM_ERROR : Cannot find memory to allocate for current session");
201        ret = -EINVAL;
202        goto exit;
203    }
204
205    pContext = new EffectContext;
206
207    // If this is the first create in this session
208    if(GlobalSessionMemory[sessionNo].bBundledEffectsEnabled == LVM_FALSE){
209        ALOGV("\tEffectCreate - This is the first effect in current sessionId %d sessionNo %d",
210                sessionId, sessionNo);
211
212        GlobalSessionMemory[sessionNo].bBundledEffectsEnabled = LVM_TRUE;
213        GlobalSessionMemory[sessionNo].pBundledContext        = new BundledEffectContext;
214        newBundle = true;
215
216        pContext->pBundledContext = GlobalSessionMemory[sessionNo].pBundledContext;
217        pContext->pBundledContext->SessionNo                = sessionNo;
218        pContext->pBundledContext->SessionId                = sessionId;
219        pContext->pBundledContext->hInstance                = NULL;
220        pContext->pBundledContext->bVolumeEnabled           = LVM_FALSE;
221        pContext->pBundledContext->bEqualizerEnabled        = LVM_FALSE;
222        pContext->pBundledContext->bBassEnabled             = LVM_FALSE;
223        pContext->pBundledContext->bBassTempDisabled        = LVM_FALSE;
224        pContext->pBundledContext->bVirtualizerEnabled      = LVM_FALSE;
225        pContext->pBundledContext->bVirtualizerTempDisabled = LVM_FALSE;
226        pContext->pBundledContext->nOutputDevice            = AUDIO_DEVICE_NONE;
227        pContext->pBundledContext->nVirtualizerForcedDevice = AUDIO_DEVICE_NONE;
228        pContext->pBundledContext->NumberEffectsEnabled     = 0;
229        pContext->pBundledContext->NumberEffectsCalled      = 0;
230        pContext->pBundledContext->firstVolume              = LVM_TRUE;
231        pContext->pBundledContext->volume                   = 0;
232
233        #ifdef LVM_PCM
234        char fileName[256];
235        snprintf(fileName, 256, "/data/tmp/bundle_%p_pcm_in.pcm", pContext->pBundledContext);
236        pContext->pBundledContext->PcmInPtr = fopen(fileName, "w");
237        if (pContext->pBundledContext->PcmInPtr == NULL) {
238            ALOGV("cannot open %s", fileName);
239            ret = -EINVAL;
240            goto exit;
241        }
242
243        snprintf(fileName, 256, "/data/tmp/bundle_%p_pcm_out.pcm", pContext->pBundledContext);
244        pContext->pBundledContext->PcmOutPtr = fopen(fileName, "w");
245        if (pContext->pBundledContext->PcmOutPtr == NULL) {
246            ALOGV("cannot open %s", fileName);
247            fclose(pContext->pBundledContext->PcmInPtr);
248           pContext->pBundledContext->PcmInPtr = NULL;
249           ret = -EINVAL;
250           goto exit;
251        }
252        #endif
253
254        /* Saved strength is used to return the exact strength that was used in the set to the get
255         * because we map the original strength range of 0:1000 to 1:15, and this will avoid
256         * quantisation like effect when returning
257         */
258        pContext->pBundledContext->BassStrengthSaved        = 0;
259        pContext->pBundledContext->VirtStrengthSaved        = 0;
260        pContext->pBundledContext->CurPreset                = PRESET_CUSTOM;
261        pContext->pBundledContext->levelSaved               = 0;
262        pContext->pBundledContext->bMuteEnabled             = LVM_FALSE;
263        pContext->pBundledContext->bStereoPositionEnabled   = LVM_FALSE;
264        pContext->pBundledContext->positionSaved            = 0;
265        pContext->pBundledContext->workBuffer               = NULL;
266        pContext->pBundledContext->frameCount               = -1;
267        pContext->pBundledContext->SamplesToExitCountVirt   = 0;
268        pContext->pBundledContext->SamplesToExitCountBb     = 0;
269        pContext->pBundledContext->SamplesToExitCountEq     = 0;
270
271        for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
272            pContext->pBundledContext->bandGaindB[i] = EQNB_5BandSoftPresets[i];
273        }
274
275        ALOGV("\tEffectCreate - Calling LvmBundle_init");
276        ret = LvmBundle_init(pContext);
277
278        if (ret < 0){
279            ALOGV("\tLVM_ERROR : EffectCreate() Bundle init failed");
280            goto exit;
281        }
282    }
283    else{
284        ALOGV("\tEffectCreate - Assigning memory for previously created effect on sessionNo %d",
285                sessionNo);
286        pContext->pBundledContext =
287                GlobalSessionMemory[sessionNo].pBundledContext;
288    }
289    ALOGV("\tEffectCreate - pBundledContext is %p", pContext->pBundledContext);
290
291    pSessionContext = &GlobalSessionMemory[pContext->pBundledContext->SessionNo];
292
293    // Create each Effect
294    if (memcmp(uuid, &gBassBoostDescriptor.uuid, sizeof(effect_uuid_t)) == 0){
295        // Create Bass Boost
296        ALOGV("\tEffectCreate - Effect to be created is LVM_BASS_BOOST");
297        pSessionContext->bBassInstantiated = LVM_TRUE;
298        pContext->pBundledContext->SamplesToExitCountBb = 0;
299
300        pContext->itfe       = &gLvmEffectInterface;
301        pContext->EffectType = LVM_BASS_BOOST;
302    } else if (memcmp(uuid, &gVirtualizerDescriptor.uuid, sizeof(effect_uuid_t)) == 0){
303        // Create Virtualizer
304        ALOGV("\tEffectCreate - Effect to be created is LVM_VIRTUALIZER");
305        pSessionContext->bVirtualizerInstantiated=LVM_TRUE;
306        pContext->pBundledContext->SamplesToExitCountVirt = 0;
307
308        pContext->itfe       = &gLvmEffectInterface;
309        pContext->EffectType = LVM_VIRTUALIZER;
310    } else if (memcmp(uuid, &gEqualizerDescriptor.uuid, sizeof(effect_uuid_t)) == 0){
311        // Create Equalizer
312        ALOGV("\tEffectCreate - Effect to be created is LVM_EQUALIZER");
313        pSessionContext->bEqualizerInstantiated = LVM_TRUE;
314        pContext->pBundledContext->SamplesToExitCountEq = 0;
315
316        pContext->itfe       = &gLvmEffectInterface;
317        pContext->EffectType = LVM_EQUALIZER;
318    } else if (memcmp(uuid, &gVolumeDescriptor.uuid, sizeof(effect_uuid_t)) == 0){
319        // Create Volume
320        ALOGV("\tEffectCreate - Effect to be created is LVM_VOLUME");
321        pSessionContext->bVolumeInstantiated = LVM_TRUE;
322
323        pContext->itfe       = &gLvmEffectInterface;
324        pContext->EffectType = LVM_VOLUME;
325    }
326    else{
327        ALOGV("\tLVM_ERROR : EffectCreate() invalid UUID");
328        ret = -EINVAL;
329        goto exit;
330    }
331
332exit:
333    if (ret != 0) {
334        if (pContext != NULL) {
335            if (newBundle) {
336                GlobalSessionMemory[sessionNo].bBundledEffectsEnabled = LVM_FALSE;
337                SessionIndex[sessionNo] = LVM_UNUSED_SESSION;
338                delete pContext->pBundledContext;
339            }
340            delete pContext;
341        }
342        *pHandle = (effect_handle_t)NULL;
343    } else {
344        *pHandle = (effect_handle_t)pContext;
345    }
346    ALOGV("\tEffectCreate end..\n\n");
347    return ret;
348} /* end EffectCreate */
349
350extern "C" int EffectRelease(effect_handle_t handle){
351    ALOGV("\n\tEffectRelease start %p", handle);
352    EffectContext * pContext = (EffectContext *)handle;
353
354    ALOGV("\tEffectRelease start handle: %p, context %p", handle, pContext->pBundledContext);
355    if (pContext == NULL){
356        ALOGV("\tLVM_ERROR : EffectRelease called with NULL pointer");
357        return -EINVAL;
358    }
359
360    SessionContext *pSessionContext = &GlobalSessionMemory[pContext->pBundledContext->SessionNo];
361
362    // Clear the instantiated flag for the effect
363    // protect agains the case where an effect is un-instantiated without being disabled
364    if(pContext->EffectType == LVM_BASS_BOOST) {
365        ALOGV("\tEffectRelease LVM_BASS_BOOST Clearing global intstantiated flag");
366        pSessionContext->bBassInstantiated = LVM_FALSE;
367        if(pContext->pBundledContext->SamplesToExitCountBb > 0){
368            pContext->pBundledContext->NumberEffectsEnabled--;
369        }
370        pContext->pBundledContext->SamplesToExitCountBb = 0;
371    } else if(pContext->EffectType == LVM_VIRTUALIZER) {
372        ALOGV("\tEffectRelease LVM_VIRTUALIZER Clearing global intstantiated flag");
373        pSessionContext->bVirtualizerInstantiated = LVM_FALSE;
374        if(pContext->pBundledContext->SamplesToExitCountVirt > 0){
375            pContext->pBundledContext->NumberEffectsEnabled--;
376        }
377        pContext->pBundledContext->SamplesToExitCountVirt = 0;
378    } else if(pContext->EffectType == LVM_EQUALIZER) {
379        ALOGV("\tEffectRelease LVM_EQUALIZER Clearing global intstantiated flag");
380        pSessionContext->bEqualizerInstantiated =LVM_FALSE;
381        if(pContext->pBundledContext->SamplesToExitCountEq > 0){
382            pContext->pBundledContext->NumberEffectsEnabled--;
383        }
384        pContext->pBundledContext->SamplesToExitCountEq = 0;
385    } else if(pContext->EffectType == LVM_VOLUME) {
386        ALOGV("\tEffectRelease LVM_VOLUME Clearing global intstantiated flag");
387        pSessionContext->bVolumeInstantiated = LVM_FALSE;
388        if (pContext->pBundledContext->bVolumeEnabled == LVM_TRUE){
389            pContext->pBundledContext->NumberEffectsEnabled--;
390        }
391    } else {
392        ALOGV("\tLVM_ERROR : EffectRelease : Unsupported effect\n\n\n\n\n\n\n");
393    }
394
395    // Disable effect, in this case ignore errors (return codes)
396    // if an effect has already been disabled
397    Effect_setEnabled(pContext, LVM_FALSE);
398
399    // if all effects are no longer instantiaed free the lvm memory and delete BundledEffectContext
400    if ((pSessionContext->bBassInstantiated == LVM_FALSE) &&
401            (pSessionContext->bVolumeInstantiated == LVM_FALSE) &&
402            (pSessionContext->bEqualizerInstantiated ==LVM_FALSE) &&
403            (pSessionContext->bVirtualizerInstantiated==LVM_FALSE))
404    {
405        #ifdef LVM_PCM
406        if (pContext->pBundledContext->PcmInPtr != NULL) {
407            fclose(pContext->pBundledContext->PcmInPtr);
408            pContext->pBundledContext->PcmInPtr = NULL;
409        }
410        if (pContext->pBundledContext->PcmOutPtr != NULL) {
411            fclose(pContext->pBundledContext->PcmOutPtr);
412            pContext->pBundledContext->PcmOutPtr = NULL;
413        }
414        #endif
415
416
417        // Clear the SessionIndex
418        for(int i=0; i<LVM_MAX_SESSIONS; i++){
419            if(SessionIndex[i] == pContext->pBundledContext->SessionId){
420                SessionIndex[i] = LVM_UNUSED_SESSION;
421                ALOGV("\tEffectRelease: Clearing SessionIndex SessionNo %d for SessionId %d\n",
422                        i, pContext->pBundledContext->SessionId);
423                break;
424            }
425        }
426
427        ALOGV("\tEffectRelease: All effects are no longer instantiated\n");
428        pSessionContext->bBundledEffectsEnabled = LVM_FALSE;
429        pSessionContext->pBundledContext = LVM_NULL;
430        ALOGV("\tEffectRelease: Freeing LVM Bundle memory\n");
431        LvmEffect_free(pContext);
432        ALOGV("\tEffectRelease: Deleting LVM Bundle context %p\n", pContext->pBundledContext);
433        if (pContext->pBundledContext->workBuffer != NULL) {
434            free(pContext->pBundledContext->workBuffer);
435        }
436        delete pContext->pBundledContext;
437        pContext->pBundledContext = LVM_NULL;
438    }
439    // free the effect context for current effect
440    delete pContext;
441
442    ALOGV("\tEffectRelease end\n");
443    return 0;
444
445} /* end EffectRelease */
446
447extern "C" int EffectGetDescriptor(const effect_uuid_t *uuid,
448                                   effect_descriptor_t *pDescriptor) {
449    const effect_descriptor_t *desc = NULL;
450
451    if (pDescriptor == NULL || uuid == NULL){
452        ALOGV("EffectGetDescriptor() called with NULL pointer");
453        return -EINVAL;
454    }
455
456    if (memcmp(uuid, &gBassBoostDescriptor.uuid, sizeof(effect_uuid_t)) == 0) {
457        desc = &gBassBoostDescriptor;
458    } else if (memcmp(uuid, &gVirtualizerDescriptor.uuid, sizeof(effect_uuid_t)) == 0) {
459        desc = &gVirtualizerDescriptor;
460    } else if (memcmp(uuid, &gEqualizerDescriptor.uuid, sizeof(effect_uuid_t)) == 0) {
461        desc = &gEqualizerDescriptor;
462    } else if (memcmp(uuid, &gVolumeDescriptor.uuid, sizeof(effect_uuid_t)) == 0) {
463        desc = &gVolumeDescriptor;
464    }
465
466    if (desc == NULL) {
467        return  -EINVAL;
468    }
469
470    *pDescriptor = *desc;
471
472    return 0;
473} /* end EffectGetDescriptor */
474
475void LvmGlobalBundle_init(){
476    ALOGV("\tLvmGlobalBundle_init start");
477    for(int i=0; i<LVM_MAX_SESSIONS; i++){
478        GlobalSessionMemory[i].bBundledEffectsEnabled   = LVM_FALSE;
479        GlobalSessionMemory[i].bVolumeInstantiated      = LVM_FALSE;
480        GlobalSessionMemory[i].bEqualizerInstantiated   = LVM_FALSE;
481        GlobalSessionMemory[i].bBassInstantiated        = LVM_FALSE;
482        GlobalSessionMemory[i].bVirtualizerInstantiated = LVM_FALSE;
483        GlobalSessionMemory[i].pBundledContext          = LVM_NULL;
484
485        SessionIndex[i] = LVM_UNUSED_SESSION;
486    }
487    return;
488}
489//----------------------------------------------------------------------------
490// LvmBundle_init()
491//----------------------------------------------------------------------------
492// Purpose: Initialize engine with default configuration, creates instance
493// with all effects disabled.
494//
495// Inputs:
496//  pContext:   effect engine context
497//
498// Outputs:
499//
500//----------------------------------------------------------------------------
501
502int LvmBundle_init(EffectContext *pContext){
503    int status;
504
505    ALOGV("\tLvmBundle_init start");
506
507    pContext->config.inputCfg.accessMode                    = EFFECT_BUFFER_ACCESS_READ;
508    pContext->config.inputCfg.channels                      = AUDIO_CHANNEL_OUT_STEREO;
509    pContext->config.inputCfg.format                        = AUDIO_FORMAT_PCM_16_BIT;
510    pContext->config.inputCfg.samplingRate                  = 44100;
511    pContext->config.inputCfg.bufferProvider.getBuffer      = NULL;
512    pContext->config.inputCfg.bufferProvider.releaseBuffer  = NULL;
513    pContext->config.inputCfg.bufferProvider.cookie         = NULL;
514    pContext->config.inputCfg.mask                          = EFFECT_CONFIG_ALL;
515    pContext->config.outputCfg.accessMode                   = EFFECT_BUFFER_ACCESS_ACCUMULATE;
516    pContext->config.outputCfg.channels                     = AUDIO_CHANNEL_OUT_STEREO;
517    pContext->config.outputCfg.format                       = AUDIO_FORMAT_PCM_16_BIT;
518    pContext->config.outputCfg.samplingRate                 = 44100;
519    pContext->config.outputCfg.bufferProvider.getBuffer     = NULL;
520    pContext->config.outputCfg.bufferProvider.releaseBuffer = NULL;
521    pContext->config.outputCfg.bufferProvider.cookie        = NULL;
522    pContext->config.outputCfg.mask                         = EFFECT_CONFIG_ALL;
523
524    CHECK_ARG(pContext != NULL);
525
526    if (pContext->pBundledContext->hInstance != NULL){
527        ALOGV("\tLvmBundle_init pContext->pBassBoost != NULL "
528                "-> Calling pContext->pBassBoost->free()");
529
530        LvmEffect_free(pContext);
531
532        ALOGV("\tLvmBundle_init pContext->pBassBoost != NULL "
533                "-> Called pContext->pBassBoost->free()");
534    }
535
536    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;          /* Function call status */
537    LVM_ControlParams_t     params;                         /* Control Parameters */
538    LVM_InstParams_t        InstParams;                     /* Instance parameters */
539    LVM_EQNB_BandDef_t      BandDefs[MAX_NUM_BANDS];        /* Equaliser band definitions */
540    LVM_HeadroomParams_t    HeadroomParams;                 /* Headroom parameters */
541    LVM_HeadroomBandDef_t   HeadroomBandDef[LVM_HEADROOM_MAX_NBANDS];
542    LVM_MemTab_t            MemTab;                         /* Memory allocation table */
543    bool                    bMallocFailure = LVM_FALSE;
544
545    /* Set the capabilities */
546    InstParams.BufferMode       = LVM_UNMANAGED_BUFFERS;
547    InstParams.MaxBlockSize     = MAX_CALL_SIZE;
548    InstParams.EQNB_NumBands    = MAX_NUM_BANDS;
549    InstParams.PSA_Included     = LVM_PSA_ON;
550
551    /* Allocate memory, forcing alignment */
552    LvmStatus = LVM_GetMemoryTable(LVM_NULL,
553                                  &MemTab,
554                                  &InstParams);
555
556    LVM_ERROR_CHECK(LvmStatus, "LVM_GetMemoryTable", "LvmBundle_init")
557    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
558
559    ALOGV("\tCreateInstance Succesfully called LVM_GetMemoryTable\n");
560
561    /* Allocate memory */
562    for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
563        if (MemTab.Region[i].Size != 0){
564            MemTab.Region[i].pBaseAddress = malloc(MemTab.Region[i].Size);
565
566            if (MemTab.Region[i].pBaseAddress == LVM_NULL){
567                ALOGV("\tLVM_ERROR :LvmBundle_init CreateInstance Failed to allocate %" PRIu32
568                        " bytes for region %u\n", MemTab.Region[i].Size, i );
569                bMallocFailure = LVM_TRUE;
570            }else{
571                ALOGV("\tLvmBundle_init CreateInstance allocated %" PRIu32
572                        " bytes for region %u at %p\n",
573                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
574            }
575        }
576    }
577
578    /* If one or more of the memory regions failed to allocate, free the regions that were
579     * succesfully allocated and return with an error
580     */
581    if(bMallocFailure == LVM_TRUE){
582        for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
583            if (MemTab.Region[i].pBaseAddress == LVM_NULL){
584                ALOGV("\tLVM_ERROR :LvmBundle_init CreateInstance Failed to allocate %" PRIu32
585                        " bytes for region %u Not freeing\n", MemTab.Region[i].Size, i );
586            }else{
587                ALOGV("\tLVM_ERROR :LvmBundle_init CreateInstance Failed: but allocated %" PRIu32
588                     " bytes for region %u at %p- free\n",
589                     MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
590                free(MemTab.Region[i].pBaseAddress);
591            }
592        }
593        return -EINVAL;
594    }
595    ALOGV("\tLvmBundle_init CreateInstance Succesfully malloc'd memory\n");
596
597    /* Initialise */
598    pContext->pBundledContext->hInstance = LVM_NULL;
599
600    /* Init sets the instance handle */
601    LvmStatus = LVM_GetInstanceHandle(&pContext->pBundledContext->hInstance,
602                                      &MemTab,
603                                      &InstParams);
604
605    LVM_ERROR_CHECK(LvmStatus, "LVM_GetInstanceHandle", "LvmBundle_init")
606    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
607
608    ALOGV("\tLvmBundle_init CreateInstance Succesfully called LVM_GetInstanceHandle\n");
609
610    /* Set the initial process parameters */
611    /* General parameters */
612    params.OperatingMode          = LVM_MODE_ON;
613    params.SampleRate             = LVM_FS_44100;
614    params.SourceFormat           = LVM_STEREO;
615    params.SpeakerType            = LVM_HEADPHONES;
616
617    pContext->pBundledContext->SampleRate = LVM_FS_44100;
618
619    /* Concert Sound parameters */
620    params.VirtualizerOperatingMode   = LVM_MODE_OFF;
621    params.VirtualizerType            = LVM_CONCERTSOUND;
622    params.VirtualizerReverbLevel     = 100;
623    params.CS_EffectLevel             = LVM_CS_EFFECT_NONE;
624
625    /* N-Band Equaliser parameters */
626    params.EQNB_OperatingMode     = LVM_EQNB_OFF;
627    params.EQNB_NBands            = FIVEBAND_NUMBANDS;
628    params.pEQNB_BandDefinition   = &BandDefs[0];
629
630    for (int i=0; i<FIVEBAND_NUMBANDS; i++)
631    {
632        BandDefs[i].Frequency = EQNB_5BandPresetsFrequencies[i];
633        BandDefs[i].QFactor   = EQNB_5BandPresetsQFactors[i];
634        BandDefs[i].Gain      = EQNB_5BandSoftPresets[i];
635    }
636
637    /* Volume Control parameters */
638    params.VC_EffectLevel         = 0;
639    params.VC_Balance             = 0;
640
641    /* Treble Enhancement parameters */
642    params.TE_OperatingMode       = LVM_TE_OFF;
643    params.TE_EffectLevel         = 0;
644
645    /* PSA Control parameters */
646    params.PSA_Enable             = LVM_PSA_OFF;
647    params.PSA_PeakDecayRate      = (LVM_PSA_DecaySpeed_en)0;
648
649    /* Bass Enhancement parameters */
650    params.BE_OperatingMode       = LVM_BE_OFF;
651    params.BE_EffectLevel         = 0;
652    params.BE_CentreFreq          = LVM_BE_CENTRE_90Hz;
653    params.BE_HPF                 = LVM_BE_HPF_ON;
654
655    /* PSA Control parameters */
656    params.PSA_Enable             = LVM_PSA_OFF;
657    params.PSA_PeakDecayRate      = LVM_PSA_SPEED_MEDIUM;
658
659    /* TE Control parameters */
660    params.TE_OperatingMode       = LVM_TE_OFF;
661    params.TE_EffectLevel         = 0;
662
663    /* Activate the initial settings */
664    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance,
665                                         &params);
666
667    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "LvmBundle_init")
668    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
669
670    ALOGV("\tLvmBundle_init CreateInstance Succesfully called LVM_SetControlParameters\n");
671
672    /* Set the headroom parameters */
673    HeadroomBandDef[0].Limit_Low          = 20;
674    HeadroomBandDef[0].Limit_High         = 4999;
675    HeadroomBandDef[0].Headroom_Offset    = 0;
676    HeadroomBandDef[1].Limit_Low          = 5000;
677    HeadroomBandDef[1].Limit_High         = 24000;
678    HeadroomBandDef[1].Headroom_Offset    = 0;
679    HeadroomParams.pHeadroomDefinition    = &HeadroomBandDef[0];
680    HeadroomParams.Headroom_OperatingMode = LVM_HEADROOM_ON;
681    HeadroomParams.NHeadroomBands         = 2;
682
683    LvmStatus = LVM_SetHeadroomParams(pContext->pBundledContext->hInstance,
684                                      &HeadroomParams);
685
686    LVM_ERROR_CHECK(LvmStatus, "LVM_SetHeadroomParams", "LvmBundle_init")
687    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
688
689    ALOGV("\tLvmBundle_init CreateInstance Succesfully called LVM_SetHeadroomParams\n");
690    ALOGV("\tLvmBundle_init End");
691    return 0;
692}   /* end LvmBundle_init */
693
694
695//----------------------------------------------------------------------------
696// LvmBundle_process()
697//----------------------------------------------------------------------------
698// Purpose:
699// Apply LVM Bundle effects
700//
701// Inputs:
702//  pIn:        pointer to stereo 16 bit input data
703//  pOut:       pointer to stereo 16 bit output data
704//  frameCount: Frames to process
705//  pContext:   effect engine context
706//  strength    strength to be applied
707//
708//  Outputs:
709//  pOut:       pointer to updated stereo 16 bit output data
710//
711//----------------------------------------------------------------------------
712
713int LvmBundle_process(LVM_INT16        *pIn,
714                      LVM_INT16        *pOut,
715                      int              frameCount,
716                      EffectContext    *pContext){
717
718    LVM_ControlParams_t     ActiveParams;                           /* Current control Parameters */
719    LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;                /* Function call status */
720    LVM_INT16               *pOutTmp;
721
722    if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_WRITE){
723        pOutTmp = pOut;
724    }else if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE){
725        if (pContext->pBundledContext->frameCount != frameCount) {
726            if (pContext->pBundledContext->workBuffer != NULL) {
727                free(pContext->pBundledContext->workBuffer);
728            }
729            pContext->pBundledContext->workBuffer =
730                    (LVM_INT16 *)malloc(frameCount * sizeof(LVM_INT16) * 2);
731            pContext->pBundledContext->frameCount = frameCount;
732        }
733        pOutTmp = pContext->pBundledContext->workBuffer;
734    }else{
735        ALOGV("LVM_ERROR : LvmBundle_process invalid access mode");
736        return -EINVAL;
737    }
738
739    #ifdef LVM_PCM
740    fwrite(pIn, frameCount*sizeof(LVM_INT16)*2, 1, pContext->pBundledContext->PcmInPtr);
741    fflush(pContext->pBundledContext->PcmInPtr);
742    #endif
743
744    //ALOGV("Calling LVM_Process");
745
746    /* Process the samples */
747    LvmStatus = LVM_Process(pContext->pBundledContext->hInstance, /* Instance handle */
748                            pIn,                                  /* Input buffer */
749                            pOutTmp,                              /* Output buffer */
750                            (LVM_UINT16)frameCount,               /* Number of samples to read */
751                            0);                                   /* Audo Time */
752
753    LVM_ERROR_CHECK(LvmStatus, "LVM_Process", "LvmBundle_process")
754    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
755
756    #ifdef LVM_PCM
757    fwrite(pOutTmp, frameCount*sizeof(LVM_INT16)*2, 1, pContext->pBundledContext->PcmOutPtr);
758    fflush(pContext->pBundledContext->PcmOutPtr);
759    #endif
760
761    if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE){
762        for (int i=0; i<frameCount*2; i++){
763            pOut[i] = clamp16((LVM_INT32)pOut[i] + (LVM_INT32)pOutTmp[i]);
764        }
765    }
766    return 0;
767}    /* end LvmBundle_process */
768
769
770//----------------------------------------------------------------------------
771// EqualizerUpdateActiveParams()
772//----------------------------------------------------------------------------
773// Purpose: Update ActiveParams for Equalizer
774//
775// Inputs:
776//  pContext:   effect engine context
777//
778// Outputs:
779//
780//----------------------------------------------------------------------------
781void EqualizerUpdateActiveParams(EffectContext *pContext) {
782    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
783    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
784
785    /* Get the current settings */
786    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
787    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "EqualizerUpdateActiveParams")
788    //ALOGV("\tEqualizerUpdateActiveParams Succesfully returned from LVM_GetControlParameters\n");
789    //ALOGV("\tEqualizerUpdateActiveParams just Got -> %d\n",
790    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
791
792
793    for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
794           ActiveParams.pEQNB_BandDefinition[i].Frequency = EQNB_5BandPresetsFrequencies[i];
795           ActiveParams.pEQNB_BandDefinition[i].QFactor   = EQNB_5BandPresetsQFactors[i];
796           ActiveParams.pEQNB_BandDefinition[i].Gain = pContext->pBundledContext->bandGaindB[i];
797       }
798
799    /* Activate the initial settings */
800    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
801    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "EqualizerUpdateActiveParams")
802    //ALOGV("\tEqualizerUpdateActiveParams just Set -> %d\n",
803    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
804
805}
806
807//----------------------------------------------------------------------------
808// LvmEffect_limitLevel()
809//----------------------------------------------------------------------------
810// Purpose: limit the overall level to a value less than 0 dB preserving
811//          the overall EQ band gain and BassBoost relative levels.
812//
813// Inputs:
814//  pContext:   effect engine context
815//
816// Outputs:
817//
818//----------------------------------------------------------------------------
819void LvmEffect_limitLevel(EffectContext *pContext) {
820    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
821    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
822
823    /* Get the current settings */
824    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
825    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "LvmEffect_limitLevel")
826    //ALOGV("\tLvmEffect_limitLevel Succesfully returned from LVM_GetControlParameters\n");
827    //ALOGV("\tLvmEffect_limitLevel just Got -> %d\n",
828    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
829
830    int gainCorrection = 0;
831    //Count the energy contribution per band for EQ and BassBoost only if they are active.
832    float energyContribution = 0;
833
834    //EQ contribution
835    if (pContext->pBundledContext->bEqualizerEnabled == LVM_TRUE) {
836        for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
837            float bandEnergy = (pContext->pBundledContext->bandGaindB[i] *
838                    LimitLevel_bandEnergyContribution[i])/15.0;
839            if (bandEnergy > 0)
840                energyContribution += bandEnergy;
841        }
842    }
843
844    //BassBoost contribution
845    if (pContext->pBundledContext->bBassEnabled == LVM_TRUE) {
846        float bandEnergy = (pContext->pBundledContext->BassStrengthSaved *
847                LimitLevel_bassBoostEnergyContribution)/1000.0;
848        if (bandEnergy > 0)
849            energyContribution += bandEnergy;
850    }
851
852    //Virtualizer contribution
853    if (pContext->pBundledContext->bVirtualizerEnabled == LVM_TRUE) {
854                   energyContribution += LimitLevel_virtualizerContribution;
855        }
856
857    //roundoff
858    int maxLevelRound = (int)(energyContribution + 0.99);
859    if (maxLevelRound + pContext->pBundledContext->volume > 0) {
860        gainCorrection = maxLevelRound + pContext->pBundledContext->volume;
861    }
862
863    ActiveParams.VC_EffectLevel  = pContext->pBundledContext->volume - gainCorrection;
864    if (ActiveParams.VC_EffectLevel < -96) {
865        ActiveParams.VC_EffectLevel = -96;
866    }
867    ALOGV("\tVol:%d, GainCorrection: %d, Actual vol: %d", pContext->pBundledContext->volume,
868            gainCorrection, ActiveParams.VC_EffectLevel);
869
870    /* Activate the initial settings */
871    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
872    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "LvmEffect_limitLevel")
873    //ALOGV("\tLvmEffect_limitLevel just Set -> %d\n",
874    //          ActiveParams.pEQNB_BandDefinition[band].Gain);
875
876    //ALOGV("\tLvmEffect_limitLevel just set (-96dB -> 0dB) -> %d\n",ActiveParams.VC_EffectLevel );
877    if (pContext->pBundledContext->firstVolume == LVM_TRUE){
878        LvmStatus = LVM_SetVolumeNoSmoothing(pContext->pBundledContext->hInstance, &ActiveParams);
879        LVM_ERROR_CHECK(LvmStatus, "LVM_SetVolumeNoSmoothing", "LvmBundle_process")
880        ALOGV("\tLVM_VOLUME: Disabling Smoothing for first volume change to remove spikes/clicks");
881        pContext->pBundledContext->firstVolume = LVM_FALSE;
882    }
883}
884
885//----------------------------------------------------------------------------
886// LvmEffect_enable()
887//----------------------------------------------------------------------------
888// Purpose: Enable the effect in the bundle
889//
890// Inputs:
891//  pContext:   effect engine context
892//
893// Outputs:
894//
895//----------------------------------------------------------------------------
896
897int LvmEffect_enable(EffectContext *pContext){
898    //ALOGV("\tLvmEffect_enable start");
899
900    LVM_ControlParams_t     ActiveParams;                           /* Current control Parameters */
901    LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;                /* Function call status */
902
903    /* Get the current settings */
904    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance,
905                                         &ActiveParams);
906
907    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "LvmEffect_enable")
908    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
909    //ALOGV("\tLvmEffect_enable Succesfully called LVM_GetControlParameters\n");
910
911    if(pContext->EffectType == LVM_BASS_BOOST) {
912        ALOGV("\tLvmEffect_enable : Enabling LVM_BASS_BOOST");
913        ActiveParams.BE_OperatingMode       = LVM_BE_ON;
914    }
915    if(pContext->EffectType == LVM_VIRTUALIZER) {
916        ALOGV("\tLvmEffect_enable : Enabling LVM_VIRTUALIZER");
917        ActiveParams.VirtualizerOperatingMode   = LVM_MODE_ON;
918    }
919    if(pContext->EffectType == LVM_EQUALIZER) {
920        ALOGV("\tLvmEffect_enable : Enabling LVM_EQUALIZER");
921        ActiveParams.EQNB_OperatingMode     = LVM_EQNB_ON;
922    }
923    if(pContext->EffectType == LVM_VOLUME) {
924        ALOGV("\tLvmEffect_enable : Enabling LVM_VOLUME");
925    }
926
927    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
928    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "LvmEffect_enable")
929    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
930
931    //ALOGV("\tLvmEffect_enable Succesfully called LVM_SetControlParameters\n");
932    //ALOGV("\tLvmEffect_enable end");
933    LvmEffect_limitLevel(pContext);
934    return 0;
935}
936
937//----------------------------------------------------------------------------
938// LvmEffect_disable()
939//----------------------------------------------------------------------------
940// Purpose: Disable the effect in the bundle
941//
942// Inputs:
943//  pContext:   effect engine context
944//
945// Outputs:
946//
947//----------------------------------------------------------------------------
948
949int LvmEffect_disable(EffectContext *pContext){
950    //ALOGV("\tLvmEffect_disable start");
951
952    LVM_ControlParams_t     ActiveParams;                           /* Current control Parameters */
953    LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;                /* Function call status */
954    /* Get the current settings */
955    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance,
956                                         &ActiveParams);
957
958    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "LvmEffect_disable")
959    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
960    //ALOGV("\tLvmEffect_disable Succesfully called LVM_GetControlParameters\n");
961
962    if(pContext->EffectType == LVM_BASS_BOOST) {
963        ALOGV("\tLvmEffect_disable : Disabling LVM_BASS_BOOST");
964        ActiveParams.BE_OperatingMode       = LVM_BE_OFF;
965    }
966    if(pContext->EffectType == LVM_VIRTUALIZER) {
967        ALOGV("\tLvmEffect_disable : Disabling LVM_VIRTUALIZER");
968        ActiveParams.VirtualizerOperatingMode   = LVM_MODE_OFF;
969    }
970    if(pContext->EffectType == LVM_EQUALIZER) {
971        ALOGV("\tLvmEffect_disable : Disabling LVM_EQUALIZER");
972        ActiveParams.EQNB_OperatingMode     = LVM_EQNB_OFF;
973    }
974    if(pContext->EffectType == LVM_VOLUME) {
975        ALOGV("\tLvmEffect_disable : Disabling LVM_VOLUME");
976    }
977
978    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
979    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "LvmEffect_disable")
980    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
981
982    //ALOGV("\tLvmEffect_disable Succesfully called LVM_SetControlParameters\n");
983    //ALOGV("\tLvmEffect_disable end");
984    LvmEffect_limitLevel(pContext);
985    return 0;
986}
987
988//----------------------------------------------------------------------------
989// LvmEffect_free()
990//----------------------------------------------------------------------------
991// Purpose: Free all memory associated with the Bundle.
992//
993// Inputs:
994//  pContext:   effect engine context
995//
996// Outputs:
997//
998//----------------------------------------------------------------------------
999
1000void LvmEffect_free(EffectContext *pContext){
1001    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;         /* Function call status */
1002    LVM_ControlParams_t     params;                        /* Control Parameters */
1003    LVM_MemTab_t            MemTab;
1004
1005    /* Free the algorithm memory */
1006    LvmStatus = LVM_GetMemoryTable(pContext->pBundledContext->hInstance,
1007                                   &MemTab,
1008                                   LVM_NULL);
1009
1010    LVM_ERROR_CHECK(LvmStatus, "LVM_GetMemoryTable", "LvmEffect_free")
1011
1012    for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
1013        if (MemTab.Region[i].Size != 0){
1014            if (MemTab.Region[i].pBaseAddress != NULL){
1015                ALOGV("\tLvmEffect_free - START freeing %" PRIu32 " bytes for region %u at %p\n",
1016                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
1017
1018                free(MemTab.Region[i].pBaseAddress);
1019
1020                ALOGV("\tLvmEffect_free - END   freeing %" PRIu32 " bytes for region %u at %p\n",
1021                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
1022            }else{
1023                ALOGV("\tLVM_ERROR : LvmEffect_free - trying to free with NULL pointer %" PRIu32
1024                        " bytes for region %u at %p ERROR\n",
1025                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
1026            }
1027        }
1028    }
1029}    /* end LvmEffect_free */
1030
1031//----------------------------------------------------------------------------
1032// Effect_setConfig()
1033//----------------------------------------------------------------------------
1034// Purpose: Set input and output audio configuration.
1035//
1036// Inputs:
1037//  pContext:   effect engine context
1038//  pConfig:    pointer to effect_config_t structure holding input and output
1039//      configuration parameters
1040//
1041// Outputs:
1042//
1043//----------------------------------------------------------------------------
1044
1045int Effect_setConfig(EffectContext *pContext, effect_config_t *pConfig){
1046    LVM_Fs_en   SampleRate;
1047    //ALOGV("\tEffect_setConfig start");
1048
1049    CHECK_ARG(pContext != NULL);
1050    CHECK_ARG(pConfig != NULL);
1051
1052    CHECK_ARG(pConfig->inputCfg.samplingRate == pConfig->outputCfg.samplingRate);
1053    CHECK_ARG(pConfig->inputCfg.channels == pConfig->outputCfg.channels);
1054    CHECK_ARG(pConfig->inputCfg.format == pConfig->outputCfg.format);
1055    CHECK_ARG(pConfig->inputCfg.channels == AUDIO_CHANNEL_OUT_STEREO);
1056    CHECK_ARG(pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_WRITE
1057              || pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE);
1058    CHECK_ARG(pConfig->inputCfg.format == AUDIO_FORMAT_PCM_16_BIT);
1059
1060    pContext->config = *pConfig;
1061
1062    switch (pConfig->inputCfg.samplingRate) {
1063    case 8000:
1064        SampleRate = LVM_FS_8000;
1065        pContext->pBundledContext->SamplesPerSecond = 8000*2; // 2 secs Stereo
1066        break;
1067    case 16000:
1068        SampleRate = LVM_FS_16000;
1069        pContext->pBundledContext->SamplesPerSecond = 16000*2; // 2 secs Stereo
1070        break;
1071    case 22050:
1072        SampleRate = LVM_FS_22050;
1073        pContext->pBundledContext->SamplesPerSecond = 22050*2; // 2 secs Stereo
1074        break;
1075    case 32000:
1076        SampleRate = LVM_FS_32000;
1077        pContext->pBundledContext->SamplesPerSecond = 32000*2; // 2 secs Stereo
1078        break;
1079    case 44100:
1080        SampleRate = LVM_FS_44100;
1081        pContext->pBundledContext->SamplesPerSecond = 44100*2; // 2 secs Stereo
1082        break;
1083    case 48000:
1084        SampleRate = LVM_FS_48000;
1085        pContext->pBundledContext->SamplesPerSecond = 48000*2; // 2 secs Stereo
1086        break;
1087    default:
1088        ALOGV("\tEffect_setConfig invalid sampling rate %d", pConfig->inputCfg.samplingRate);
1089        return -EINVAL;
1090    }
1091
1092    if(pContext->pBundledContext->SampleRate != SampleRate){
1093
1094        LVM_ControlParams_t     ActiveParams;
1095        LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;
1096
1097        ALOGV("\tEffect_setConfig change sampling rate to %d", SampleRate);
1098
1099        /* Get the current settings */
1100        LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance,
1101                                         &ActiveParams);
1102
1103        LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "Effect_setConfig")
1104        if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1105
1106        ActiveParams.SampleRate = SampleRate;
1107
1108        LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1109
1110        LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "Effect_setConfig")
1111        ALOGV("\tEffect_setConfig Succesfully called LVM_SetControlParameters\n");
1112        pContext->pBundledContext->SampleRate = SampleRate;
1113
1114    }else{
1115        //ALOGV("\tEffect_setConfig keep sampling rate at %d", SampleRate);
1116    }
1117
1118    //ALOGV("\tEffect_setConfig End....");
1119    return 0;
1120}   /* end Effect_setConfig */
1121
1122//----------------------------------------------------------------------------
1123// Effect_getConfig()
1124//----------------------------------------------------------------------------
1125// Purpose: Get input and output audio configuration.
1126//
1127// Inputs:
1128//  pContext:   effect engine context
1129//  pConfig:    pointer to effect_config_t structure holding input and output
1130//      configuration parameters
1131//
1132// Outputs:
1133//
1134//----------------------------------------------------------------------------
1135
1136void Effect_getConfig(EffectContext *pContext, effect_config_t *pConfig)
1137{
1138    *pConfig = pContext->config;
1139}   /* end Effect_getConfig */
1140
1141//----------------------------------------------------------------------------
1142// BassGetStrength()
1143//----------------------------------------------------------------------------
1144// Purpose:
1145// get the effect strength currently being used, what is actually returned is the strengh that was
1146// previously used in the set, this is because the app uses a strength in the range 0-1000 while
1147// the bassboost uses 1-15, so to avoid a quantisation the original set value is used. However the
1148// actual used value is checked to make sure it corresponds to the one being returned
1149//
1150// Inputs:
1151//  pContext:   effect engine context
1152//
1153//----------------------------------------------------------------------------
1154
1155uint32_t BassGetStrength(EffectContext *pContext){
1156    //ALOGV("\tBassGetStrength() (0-1000) -> %d\n", pContext->pBundledContext->BassStrengthSaved);
1157
1158    LVM_ControlParams_t     ActiveParams;                           /* Current control Parameters */
1159    LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;                /* Function call status */
1160    /* Get the current settings */
1161    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance,
1162                                         &ActiveParams);
1163
1164    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "BassGetStrength")
1165    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1166
1167    //ALOGV("\tBassGetStrength Succesfully returned from LVM_GetControlParameters\n");
1168
1169    /* Check that the strength returned matches the strength that was set earlier */
1170    if(ActiveParams.BE_EffectLevel !=
1171       (LVM_INT16)((15*pContext->pBundledContext->BassStrengthSaved)/1000)){
1172        ALOGV("\tLVM_ERROR : BassGetStrength module strength does not match savedStrength %d %d\n",
1173                ActiveParams.BE_EffectLevel, pContext->pBundledContext->BassStrengthSaved);
1174        return -EINVAL;
1175    }
1176
1177    //ALOGV("\tBassGetStrength() (0-15)   -> %d\n", ActiveParams.BE_EffectLevel );
1178    //ALOGV("\tBassGetStrength() (saved)  -> %d\n", pContext->pBundledContext->BassStrengthSaved );
1179    return pContext->pBundledContext->BassStrengthSaved;
1180}    /* end BassGetStrength */
1181
1182//----------------------------------------------------------------------------
1183// BassSetStrength()
1184//----------------------------------------------------------------------------
1185// Purpose:
1186// Apply the strength to the BassBosst. Must first be converted from the range 0-1000 to 1-15
1187//
1188// Inputs:
1189//  pContext:   effect engine context
1190//  strength    strength to be applied
1191//
1192//----------------------------------------------------------------------------
1193
1194void BassSetStrength(EffectContext *pContext, uint32_t strength){
1195    //ALOGV("\tBassSetStrength(%d)", strength);
1196
1197    pContext->pBundledContext->BassStrengthSaved = (int)strength;
1198
1199    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
1200    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
1201
1202    /* Get the current settings */
1203    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance,
1204                                         &ActiveParams);
1205
1206    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "BassSetStrength")
1207    //ALOGV("\tBassSetStrength Succesfully returned from LVM_GetControlParameters\n");
1208
1209    /* Bass Enhancement parameters */
1210    ActiveParams.BE_EffectLevel    = (LVM_INT16)((15*strength)/1000);
1211    ActiveParams.BE_CentreFreq     = LVM_BE_CENTRE_90Hz;
1212
1213    //ALOGV("\tBassSetStrength() (0-15)   -> %d\n", ActiveParams.BE_EffectLevel );
1214
1215    /* Activate the initial settings */
1216    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1217
1218    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "BassSetStrength")
1219    //ALOGV("\tBassSetStrength Succesfully called LVM_SetControlParameters\n");
1220
1221    LvmEffect_limitLevel(pContext);
1222}    /* end BassSetStrength */
1223
1224//----------------------------------------------------------------------------
1225// VirtualizerGetStrength()
1226//----------------------------------------------------------------------------
1227// Purpose:
1228// get the effect strength currently being used, what is actually returned is the strengh that was
1229// previously used in the set, this is because the app uses a strength in the range 0-1000 while
1230// the Virtualizer uses 1-100, so to avoid a quantisation the original set value is used.However the
1231// actual used value is checked to make sure it corresponds to the one being returned
1232//
1233// Inputs:
1234//  pContext:   effect engine context
1235//
1236//----------------------------------------------------------------------------
1237
1238uint32_t VirtualizerGetStrength(EffectContext *pContext){
1239    //ALOGV("\tVirtualizerGetStrength (0-1000) -> %d\n",pContext->pBundledContext->VirtStrengthSaved);
1240
1241    LVM_ControlParams_t     ActiveParams;                           /* Current control Parameters */
1242    LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;                /* Function call status */
1243
1244    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1245
1246    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "VirtualizerGetStrength")
1247    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1248
1249    //ALOGV("\tVirtualizerGetStrength Succesfully returned from LVM_GetControlParameters\n");
1250    //ALOGV("\tVirtualizerGetStrength() (0-100)   -> %d\n", ActiveParams.VirtualizerReverbLevel*10);
1251    return pContext->pBundledContext->VirtStrengthSaved;
1252}    /* end getStrength */
1253
1254//----------------------------------------------------------------------------
1255// VirtualizerSetStrength()
1256//----------------------------------------------------------------------------
1257// Purpose:
1258// Apply the strength to the Virtualizer. Must first be converted from the range 0-1000 to 1-15
1259//
1260// Inputs:
1261//  pContext:   effect engine context
1262//  strength    strength to be applied
1263//
1264//----------------------------------------------------------------------------
1265
1266void VirtualizerSetStrength(EffectContext *pContext, uint32_t strength){
1267    //ALOGV("\tVirtualizerSetStrength(%d)", strength);
1268    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
1269    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
1270
1271    pContext->pBundledContext->VirtStrengthSaved = (int)strength;
1272
1273    /* Get the current settings */
1274    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance,&ActiveParams);
1275
1276    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "VirtualizerSetStrength")
1277    //ALOGV("\tVirtualizerSetStrength Succesfully returned from LVM_GetControlParameters\n");
1278
1279    /* Virtualizer parameters */
1280    ActiveParams.CS_EffectLevel             = (int)((strength*32767)/1000);
1281
1282    ALOGV("\tVirtualizerSetStrength() (0-1000)   -> %d\n", strength );
1283    ALOGV("\tVirtualizerSetStrength() (0- 100)   -> %d\n", ActiveParams.CS_EffectLevel );
1284
1285    /* Activate the initial settings */
1286    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1287    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "VirtualizerSetStrength")
1288    //ALOGV("\tVirtualizerSetStrength Succesfully called LVM_SetControlParameters\n\n");
1289    LvmEffect_limitLevel(pContext);
1290}    /* end setStrength */
1291
1292//----------------------------------------------------------------------------
1293// VirtualizerIsDeviceSupported()
1294//----------------------------------------------------------------------------
1295// Purpose:
1296// Check if an audio device type is supported by this implementation
1297//
1298// Inputs:
1299//  deviceType   the type of device that affects the processing (e.g. for binaural vs transaural)
1300// Output:
1301//  -EINVAL      if the configuration is not supported or it is unknown
1302//  0            if the configuration is supported
1303//----------------------------------------------------------------------------
1304int VirtualizerIsDeviceSupported(audio_devices_t deviceType) {
1305    switch (deviceType) {
1306    case AUDIO_DEVICE_OUT_WIRED_HEADSET:
1307    case AUDIO_DEVICE_OUT_WIRED_HEADPHONE:
1308    case AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_HEADPHONES:
1309        return 0;
1310    default :
1311        return -EINVAL;
1312    }
1313}
1314
1315//----------------------------------------------------------------------------
1316// VirtualizerIsConfigurationSupported()
1317//----------------------------------------------------------------------------
1318// Purpose:
1319// Check if a channel mask + audio device type is supported by this implementation
1320//
1321// Inputs:
1322//  channelMask  the channel mask of the input to virtualize
1323//  deviceType   the type of device that affects the processing (e.g. for binaural vs transaural)
1324// Output:
1325//  -EINVAL      if the configuration is not supported or it is unknown
1326//  0            if the configuration is supported
1327//----------------------------------------------------------------------------
1328int VirtualizerIsConfigurationSupported(audio_channel_mask_t channelMask,
1329        audio_devices_t deviceType) {
1330    uint32_t channelCount = audio_channel_count_from_out_mask(channelMask);
1331    if ((channelCount == 0) || (channelCount > 2)) {
1332        return -EINVAL;
1333    }
1334
1335    return VirtualizerIsDeviceSupported(deviceType);
1336}
1337
1338//----------------------------------------------------------------------------
1339// VirtualizerForceVirtualizationMode()
1340//----------------------------------------------------------------------------
1341// Purpose:
1342// Force the virtualization mode to that of the given audio device
1343//
1344// Inputs:
1345//  pContext     effect engine context
1346//  forcedDevice the type of device whose virtualization mode we'll always use
1347// Output:
1348//  -EINVAL      if the device is not supported or is unknown
1349//  0            if the device is supported and the virtualization mode forced
1350//
1351//----------------------------------------------------------------------------
1352int VirtualizerForceVirtualizationMode(EffectContext *pContext, audio_devices_t forcedDevice) {
1353    ALOGV("VirtualizerForceVirtualizationMode: forcedDev=0x%x enabled=%d tmpDisabled=%d",
1354            forcedDevice, pContext->pBundledContext->bVirtualizerEnabled,
1355            pContext->pBundledContext->bVirtualizerTempDisabled);
1356    int status = 0;
1357    bool useVirtualizer = false;
1358
1359    if (VirtualizerIsDeviceSupported(forcedDevice) != 0) {
1360        if (forcedDevice != AUDIO_DEVICE_NONE) {
1361            //forced device is not supported, make it behave as a reset of forced mode
1362            forcedDevice = AUDIO_DEVICE_NONE;
1363            // but return an error
1364            status = -EINVAL;
1365        }
1366    }
1367
1368    if (forcedDevice == AUDIO_DEVICE_NONE) {
1369        // disabling forced virtualization mode:
1370        // verify whether the virtualization should be enabled or disabled
1371        if (VirtualizerIsDeviceSupported(pContext->pBundledContext->nOutputDevice) == 0) {
1372            useVirtualizer = (pContext->pBundledContext->bVirtualizerEnabled == LVM_TRUE);
1373        }
1374        pContext->pBundledContext->nVirtualizerForcedDevice = AUDIO_DEVICE_NONE;
1375    } else {
1376        // forcing virtualization mode: here we already know the device is supported
1377        pContext->pBundledContext->nVirtualizerForcedDevice = AUDIO_DEVICE_OUT_WIRED_HEADPHONE;
1378        // only enable for a supported mode, when the effect is enabled
1379        useVirtualizer = (pContext->pBundledContext->bVirtualizerEnabled == LVM_TRUE);
1380    }
1381
1382    if (useVirtualizer) {
1383        if (pContext->pBundledContext->bVirtualizerTempDisabled == LVM_TRUE) {
1384            ALOGV("\tVirtualizerForceVirtualizationMode re-enable LVM_VIRTUALIZER");
1385            android::LvmEffect_enable(pContext);
1386            pContext->pBundledContext->bVirtualizerTempDisabled = LVM_FALSE;
1387        } else {
1388            ALOGV("\tVirtualizerForceVirtualizationMode leaving LVM_VIRTUALIZER enabled");
1389        }
1390    } else {
1391        if (pContext->pBundledContext->bVirtualizerTempDisabled == LVM_FALSE) {
1392            ALOGV("\tVirtualizerForceVirtualizationMode disable LVM_VIRTUALIZER");
1393            android::LvmEffect_disable(pContext);
1394            pContext->pBundledContext->bVirtualizerTempDisabled = LVM_TRUE;
1395        } else {
1396            ALOGV("\tVirtualizerForceVirtualizationMode leaving LVM_VIRTUALIZER disabled");
1397        }
1398    }
1399
1400    ALOGV("\tafter VirtualizerForceVirtualizationMode: enabled=%d tmpDisabled=%d",
1401            pContext->pBundledContext->bVirtualizerEnabled,
1402            pContext->pBundledContext->bVirtualizerTempDisabled);
1403
1404    return status;
1405}
1406//----------------------------------------------------------------------------
1407// VirtualizerGetSpeakerAngles()
1408//----------------------------------------------------------------------------
1409// Purpose:
1410// Get the virtual speaker angles for a channel mask + audio device type
1411// configuration which is guaranteed to be supported by this implementation
1412//
1413// Inputs:
1414//  channelMask:   the channel mask of the input to virtualize
1415//  deviceType     the type of device that affects the processing (e.g. for binaural vs transaural)
1416// Input/Output:
1417//  pSpeakerAngles the array of integer where each speaker angle is written as a triplet in the
1418//                 following format:
1419//                    int32_t a bit mask with a single value selected for each speaker, following
1420//                            the convention of the audio_channel_mask_t type
1421//                    int32_t a value in degrees expressing the speaker azimuth, where 0 is in front
1422//                            of the user, 180 behind, -90 to the left, 90 to the right of the user
1423//                    int32_t a value in degrees expressing the speaker elevation, where 0 is the
1424//                            horizontal plane, +90 is directly above the user, -90 below
1425//
1426//----------------------------------------------------------------------------
1427void VirtualizerGetSpeakerAngles(audio_channel_mask_t channelMask __unused,
1428        audio_devices_t deviceType __unused, int32_t *pSpeakerAngles) {
1429    // the channel count is guaranteed to be 1 or 2
1430    // the device is guaranteed to be of type headphone
1431    // this virtualizer is always 2in with speakers at -90 and 90deg of azimuth, 0deg of elevation
1432    *pSpeakerAngles++ = (int32_t) AUDIO_CHANNEL_OUT_FRONT_LEFT;
1433    *pSpeakerAngles++ = -90; // azimuth
1434    *pSpeakerAngles++ = 0;   // elevation
1435    *pSpeakerAngles++ = (int32_t) AUDIO_CHANNEL_OUT_FRONT_RIGHT;
1436    *pSpeakerAngles++ = 90;  // azimuth
1437    *pSpeakerAngles   = 0;   // elevation
1438}
1439
1440//----------------------------------------------------------------------------
1441// VirtualizerGetVirtualizationMode()
1442//----------------------------------------------------------------------------
1443// Purpose:
1444// Retrieve the current device whose processing mode is used by this effect
1445//
1446// Output:
1447//   AUDIO_DEVICE_NONE if the effect is not virtualizing
1448//   or the device type if the effect is virtualizing
1449//----------------------------------------------------------------------------
1450audio_devices_t VirtualizerGetVirtualizationMode(EffectContext *pContext) {
1451    audio_devices_t virtDevice = AUDIO_DEVICE_NONE;
1452    if ((pContext->pBundledContext->bVirtualizerEnabled == LVM_TRUE)
1453            && (pContext->pBundledContext->bVirtualizerTempDisabled == LVM_FALSE)) {
1454        if (pContext->pBundledContext->nVirtualizerForcedDevice != AUDIO_DEVICE_NONE) {
1455            // virtualization mode is forced, return that device
1456            virtDevice = pContext->pBundledContext->nVirtualizerForcedDevice;
1457        } else {
1458            // no forced mode, return the current device
1459            virtDevice = pContext->pBundledContext->nOutputDevice;
1460        }
1461    }
1462    ALOGV("VirtualizerGetVirtualizationMode() returning 0x%x", virtDevice);
1463    return virtDevice;
1464}
1465
1466//----------------------------------------------------------------------------
1467// EqualizerGetBandLevel()
1468//----------------------------------------------------------------------------
1469// Purpose: Retrieve the gain currently being used for the band passed in
1470//
1471// Inputs:
1472//  band:       band number
1473//  pContext:   effect engine context
1474//
1475// Outputs:
1476//
1477//----------------------------------------------------------------------------
1478int32_t EqualizerGetBandLevel(EffectContext *pContext, int32_t band){
1479    //ALOGV("\tEqualizerGetBandLevel -> %d\n", pContext->pBundledContext->bandGaindB[band] );
1480    return pContext->pBundledContext->bandGaindB[band] * 100;
1481}
1482
1483//----------------------------------------------------------------------------
1484// EqualizerSetBandLevel()
1485//----------------------------------------------------------------------------
1486// Purpose:
1487//  Sets gain value for the given band.
1488//
1489// Inputs:
1490//  band:       band number
1491//  Gain:       Gain to be applied in millibels
1492//  pContext:   effect engine context
1493//
1494// Outputs:
1495//
1496//---------------------------------------------------------------------------
1497void EqualizerSetBandLevel(EffectContext *pContext, int band, short Gain){
1498    int gainRounded;
1499    if(Gain > 0){
1500        gainRounded = (int)((Gain+50)/100);
1501    }else{
1502        gainRounded = (int)((Gain-50)/100);
1503    }
1504    //ALOGV("\tEqualizerSetBandLevel(%d)->(%d)", Gain, gainRounded);
1505    pContext->pBundledContext->bandGaindB[band] = gainRounded;
1506    pContext->pBundledContext->CurPreset = PRESET_CUSTOM;
1507
1508    EqualizerUpdateActiveParams(pContext);
1509    LvmEffect_limitLevel(pContext);
1510}
1511
1512//----------------------------------------------------------------------------
1513// EqualizerGetCentreFrequency()
1514//----------------------------------------------------------------------------
1515// Purpose: Retrieve the frequency being used for the band passed in
1516//
1517// Inputs:
1518//  band:       band number
1519//  pContext:   effect engine context
1520//
1521// Outputs:
1522//
1523//----------------------------------------------------------------------------
1524int32_t EqualizerGetCentreFrequency(EffectContext *pContext, int32_t band){
1525    int32_t Frequency =0;
1526
1527    LVM_ControlParams_t     ActiveParams;                           /* Current control Parameters */
1528    LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;                /* Function call status */
1529    LVM_EQNB_BandDef_t      *BandDef;
1530    /* Get the current settings */
1531    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance,
1532                                         &ActiveParams);
1533
1534    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "EqualizerGetCentreFrequency")
1535
1536    BandDef   = ActiveParams.pEQNB_BandDefinition;
1537    Frequency = (int32_t)BandDef[band].Frequency*1000;     // Convert to millibels
1538
1539    //ALOGV("\tEqualizerGetCentreFrequency -> %d\n", Frequency );
1540    //ALOGV("\tEqualizerGetCentreFrequency Succesfully returned from LVM_GetControlParameters\n");
1541    return Frequency;
1542}
1543
1544//----------------------------------------------------------------------------
1545// EqualizerGetBandFreqRange(
1546//----------------------------------------------------------------------------
1547// Purpose:
1548//
1549// Gets lower and upper boundaries of a band.
1550// For the high shelf, the low bound is the band frequency and the high
1551// bound is Nyquist.
1552// For the peaking filters, they are the gain[dB]/2 points.
1553//
1554// Inputs:
1555//  band:       band number
1556//  pContext:   effect engine context
1557//
1558// Outputs:
1559//  pLow:       lower band range
1560//  pLow:       upper band range
1561//----------------------------------------------------------------------------
1562int32_t EqualizerGetBandFreqRange(EffectContext *pContext __unused, int32_t band, uint32_t *pLow,
1563                                  uint32_t *pHi){
1564    *pLow = bandFreqRange[band][0];
1565    *pHi  = bandFreqRange[band][1];
1566    return 0;
1567}
1568
1569//----------------------------------------------------------------------------
1570// EqualizerGetBand(
1571//----------------------------------------------------------------------------
1572// Purpose:
1573//
1574// Returns the band with the maximum influence on a given frequency.
1575// Result is unaffected by whether EQ is enabled or not, or by whether
1576// changes have been committed or not.
1577//
1578// Inputs:
1579//  targetFreq   The target frequency, in millihertz.
1580//  pContext:    effect engine context
1581//
1582// Outputs:
1583//  pLow:       lower band range
1584//  pLow:       upper band range
1585//----------------------------------------------------------------------------
1586int32_t EqualizerGetBand(EffectContext *pContext __unused, uint32_t targetFreq){
1587    int band = 0;
1588
1589    if(targetFreq < bandFreqRange[0][0]){
1590        return -EINVAL;
1591    }else if(targetFreq == bandFreqRange[0][0]){
1592        return 0;
1593    }
1594    for(int i=0; i<FIVEBAND_NUMBANDS;i++){
1595        if((targetFreq > bandFreqRange[i][0])&&(targetFreq <= bandFreqRange[i][1])){
1596            band = i;
1597        }
1598    }
1599    return band;
1600}
1601
1602//----------------------------------------------------------------------------
1603// EqualizerGetPreset(
1604//----------------------------------------------------------------------------
1605// Purpose:
1606//
1607// Gets the currently set preset ID.
1608// Will return PRESET_CUSTOM in case the EQ parameters have been modified
1609// manually since a preset was set.
1610//
1611// Inputs:
1612//  pContext:    effect engine context
1613//
1614//----------------------------------------------------------------------------
1615int32_t EqualizerGetPreset(EffectContext *pContext){
1616    return pContext->pBundledContext->CurPreset;
1617}
1618
1619//----------------------------------------------------------------------------
1620// EqualizerSetPreset(
1621//----------------------------------------------------------------------------
1622// Purpose:
1623//
1624// Sets the current preset by ID.
1625// All the band parameters will be overridden.
1626//
1627// Inputs:
1628//  pContext:    effect engine context
1629//  preset       The preset ID.
1630//
1631//----------------------------------------------------------------------------
1632void EqualizerSetPreset(EffectContext *pContext, int preset){
1633
1634    //ALOGV("\tEqualizerSetPreset(%d)", preset);
1635    pContext->pBundledContext->CurPreset = preset;
1636
1637    //ActiveParams.pEQNB_BandDefinition = &BandDefs[0];
1638    for (int i=0; i<FIVEBAND_NUMBANDS; i++)
1639    {
1640        pContext->pBundledContext->bandGaindB[i] =
1641                EQNB_5BandSoftPresets[i + preset * FIVEBAND_NUMBANDS];
1642    }
1643
1644    EqualizerUpdateActiveParams(pContext);
1645    LvmEffect_limitLevel(pContext);
1646
1647    //ALOGV("\tEqualizerSetPreset Succesfully called LVM_SetControlParameters\n");
1648    return;
1649}
1650
1651int32_t EqualizerGetNumPresets(){
1652    return sizeof(gEqualizerPresets) / sizeof(PresetConfig);
1653}
1654
1655//----------------------------------------------------------------------------
1656// EqualizerGetPresetName(
1657//----------------------------------------------------------------------------
1658// Purpose:
1659// Gets a human-readable name for a preset ID. Will return "Custom" if
1660// PRESET_CUSTOM is passed.
1661//
1662// Inputs:
1663// preset       The preset ID. Must be less than number of presets.
1664//
1665//-------------------------------------------------------------------------
1666const char * EqualizerGetPresetName(int32_t preset){
1667    //ALOGV("\tEqualizerGetPresetName start(%d)", preset);
1668    if (preset == PRESET_CUSTOM) {
1669        return "Custom";
1670    } else {
1671        return gEqualizerPresets[preset].name;
1672    }
1673    //ALOGV("\tEqualizerGetPresetName end(%d)", preset);
1674    return 0;
1675}
1676
1677//----------------------------------------------------------------------------
1678// VolumeSetVolumeLevel()
1679//----------------------------------------------------------------------------
1680// Purpose:
1681//
1682// Inputs:
1683//  pContext:   effect engine context
1684//  level       level to be applied
1685//
1686//----------------------------------------------------------------------------
1687
1688int VolumeSetVolumeLevel(EffectContext *pContext, int16_t level){
1689
1690    if (level > 0 || level < -9600) {
1691        return -EINVAL;
1692    }
1693
1694    if (pContext->pBundledContext->bMuteEnabled == LVM_TRUE) {
1695        pContext->pBundledContext->levelSaved = level / 100;
1696    } else {
1697        pContext->pBundledContext->volume = level / 100;
1698    }
1699
1700    LvmEffect_limitLevel(pContext);
1701
1702    return 0;
1703}    /* end VolumeSetVolumeLevel */
1704
1705//----------------------------------------------------------------------------
1706// VolumeGetVolumeLevel()
1707//----------------------------------------------------------------------------
1708// Purpose:
1709//
1710// Inputs:
1711//  pContext:   effect engine context
1712//
1713//----------------------------------------------------------------------------
1714
1715int VolumeGetVolumeLevel(EffectContext *pContext, int16_t *level){
1716
1717    if (pContext->pBundledContext->bMuteEnabled == LVM_TRUE) {
1718        *level = pContext->pBundledContext->levelSaved * 100;
1719    } else {
1720        *level = pContext->pBundledContext->volume * 100;
1721    }
1722    return 0;
1723}    /* end VolumeGetVolumeLevel */
1724
1725//----------------------------------------------------------------------------
1726// VolumeSetMute()
1727//----------------------------------------------------------------------------
1728// Purpose:
1729//
1730// Inputs:
1731//  pContext:   effect engine context
1732//  mute:       enable/disable flag
1733//
1734//----------------------------------------------------------------------------
1735
1736int32_t VolumeSetMute(EffectContext *pContext, uint32_t mute){
1737    //ALOGV("\tVolumeSetMute start(%d)", mute);
1738
1739    pContext->pBundledContext->bMuteEnabled = mute;
1740
1741    /* Set appropriate volume level */
1742    if(pContext->pBundledContext->bMuteEnabled == LVM_TRUE){
1743        pContext->pBundledContext->levelSaved = pContext->pBundledContext->volume;
1744        pContext->pBundledContext->volume = -96;
1745    }else{
1746        pContext->pBundledContext->volume = pContext->pBundledContext->levelSaved;
1747    }
1748
1749    LvmEffect_limitLevel(pContext);
1750
1751    return 0;
1752}    /* end setMute */
1753
1754//----------------------------------------------------------------------------
1755// VolumeGetMute()
1756//----------------------------------------------------------------------------
1757// Purpose:
1758//
1759// Inputs:
1760//  pContext:   effect engine context
1761//
1762// Ourputs:
1763//  mute:       enable/disable flag
1764//----------------------------------------------------------------------------
1765
1766int32_t VolumeGetMute(EffectContext *pContext, uint32_t *mute){
1767    //ALOGV("\tVolumeGetMute start");
1768    if((pContext->pBundledContext->bMuteEnabled == LVM_FALSE)||
1769       (pContext->pBundledContext->bMuteEnabled == LVM_TRUE)){
1770        *mute = pContext->pBundledContext->bMuteEnabled;
1771        return 0;
1772    }else{
1773        ALOGV("\tLVM_ERROR : VolumeGetMute read an invalid value from context %d",
1774              pContext->pBundledContext->bMuteEnabled);
1775        return -EINVAL;
1776    }
1777    //ALOGV("\tVolumeGetMute end");
1778}    /* end getMute */
1779
1780int16_t VolumeConvertStereoPosition(int16_t position){
1781    int16_t convertedPosition = 0;
1782
1783    convertedPosition = (int16_t)(((float)position/1000)*96);
1784    return convertedPosition;
1785
1786}
1787
1788//----------------------------------------------------------------------------
1789// VolumeSetStereoPosition()
1790//----------------------------------------------------------------------------
1791// Purpose:
1792//
1793// Inputs:
1794//  pContext:       effect engine context
1795//  position:       stereo position
1796//
1797// Outputs:
1798//----------------------------------------------------------------------------
1799
1800int VolumeSetStereoPosition(EffectContext *pContext, int16_t position){
1801
1802    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
1803    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
1804    LVM_INT16               Balance = 0;
1805
1806
1807
1808    pContext->pBundledContext->positionSaved = position;
1809    Balance = VolumeConvertStereoPosition(pContext->pBundledContext->positionSaved);
1810
1811    //ALOGV("\tVolumeSetStereoPosition start pContext->pBundledContext->positionSaved = %d",
1812    //pContext->pBundledContext->positionSaved);
1813
1814    if(pContext->pBundledContext->bStereoPositionEnabled == LVM_TRUE){
1815
1816        //ALOGV("\tVolumeSetStereoPosition Position to be set is %d %d\n", position, Balance);
1817        pContext->pBundledContext->positionSaved = position;
1818        /* Get the current settings */
1819        LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1820        LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "VolumeSetStereoPosition")
1821        if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1822        //ALOGV("\tVolumeSetStereoPosition Succesfully returned from LVM_GetControlParameters got:"
1823        //     " %d\n", ActiveParams.VC_Balance);
1824
1825        /* Volume parameters */
1826        ActiveParams.VC_Balance  = Balance;
1827        //ALOGV("\tVolumeSetStereoPosition() (-96dB -> +96dB)   -> %d\n", ActiveParams.VC_Balance );
1828
1829        /* Activate the initial settings */
1830        LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1831        LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "VolumeSetStereoPosition")
1832        if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1833
1834        //ALOGV("\tVolumeSetStereoPosition Succesfully called LVM_SetControlParameters\n");
1835
1836        /* Get the current settings */
1837        LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1838        LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "VolumeSetStereoPosition")
1839        if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1840        //ALOGV("\tVolumeSetStereoPosition Succesfully returned from LVM_GetControlParameters got: "
1841        //     "%d\n", ActiveParams.VC_Balance);
1842    }
1843    else{
1844        //ALOGV("\tVolumeSetStereoPosition Position attempting to set, but not enabled %d %d\n",
1845        //position, Balance);
1846    }
1847    //ALOGV("\tVolumeSetStereoPosition end pContext->pBundledContext->positionSaved = %d\n",
1848    //pContext->pBundledContext->positionSaved);
1849    return 0;
1850}    /* end VolumeSetStereoPosition */
1851
1852
1853//----------------------------------------------------------------------------
1854// VolumeGetStereoPosition()
1855//----------------------------------------------------------------------------
1856// Purpose:
1857//
1858// Inputs:
1859//  pContext:       effect engine context
1860//
1861// Outputs:
1862//  position:       stereo position
1863//----------------------------------------------------------------------------
1864
1865int32_t VolumeGetStereoPosition(EffectContext *pContext, int16_t *position){
1866    //ALOGV("\tVolumeGetStereoPosition start");
1867
1868    LVM_ControlParams_t     ActiveParams;                           /* Current control Parameters */
1869    LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;                /* Function call status */
1870    LVM_INT16               balance;
1871
1872    //ALOGV("\tVolumeGetStereoPosition start pContext->pBundledContext->positionSaved = %d",
1873    //pContext->pBundledContext->positionSaved);
1874
1875    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1876    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "VolumeGetStereoPosition")
1877    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1878
1879    //ALOGV("\tVolumeGetStereoPosition -> %d\n", ActiveParams.VC_Balance);
1880    //ALOGV("\tVolumeGetStereoPosition Succesfully returned from LVM_GetControlParameters\n");
1881
1882    balance = VolumeConvertStereoPosition(pContext->pBundledContext->positionSaved);
1883
1884    if(pContext->pBundledContext->bStereoPositionEnabled == LVM_TRUE){
1885        if(balance != ActiveParams.VC_Balance){
1886            return -EINVAL;
1887        }
1888    }
1889    *position = (LVM_INT16)pContext->pBundledContext->positionSaved;     // Convert dB to millibels
1890    //ALOGV("\tVolumeGetStereoPosition end returning pContext->pBundledContext->positionSaved =%d\n",
1891    //pContext->pBundledContext->positionSaved);
1892    return 0;
1893}    /* end VolumeGetStereoPosition */
1894
1895//----------------------------------------------------------------------------
1896// VolumeEnableStereoPosition()
1897//----------------------------------------------------------------------------
1898// Purpose:
1899//
1900// Inputs:
1901//  pContext:   effect engine context
1902//  mute:       enable/disable flag
1903//
1904//----------------------------------------------------------------------------
1905
1906int32_t VolumeEnableStereoPosition(EffectContext *pContext, uint32_t enabled){
1907    //ALOGV("\tVolumeEnableStereoPosition start()");
1908
1909    pContext->pBundledContext->bStereoPositionEnabled = enabled;
1910
1911    LVM_ControlParams_t     ActiveParams;              /* Current control Parameters */
1912    LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;     /* Function call status */
1913
1914    /* Get the current settings */
1915    LvmStatus = LVM_GetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1916    LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "VolumeEnableStereoPosition")
1917    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1918
1919    //ALOGV("\tVolumeEnableStereoPosition Succesfully returned from LVM_GetControlParameters\n");
1920    //ALOGV("\tVolumeEnableStereoPosition to %d, position was %d\n",
1921    //     enabled, ActiveParams.VC_Balance );
1922
1923    /* Set appropriate stereo position */
1924    if(pContext->pBundledContext->bStereoPositionEnabled == LVM_FALSE){
1925        ActiveParams.VC_Balance = 0;
1926    }else{
1927        ActiveParams.VC_Balance  =
1928                            VolumeConvertStereoPosition(pContext->pBundledContext->positionSaved);
1929    }
1930
1931    /* Activate the initial settings */
1932    LvmStatus = LVM_SetControlParameters(pContext->pBundledContext->hInstance, &ActiveParams);
1933    LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "VolumeEnableStereoPosition")
1934    if(LvmStatus != LVM_SUCCESS) return -EINVAL;
1935
1936    //ALOGV("\tVolumeEnableStereoPosition Succesfully called LVM_SetControlParameters\n");
1937    //ALOGV("\tVolumeEnableStereoPosition end()\n");
1938    return 0;
1939}    /* end VolumeEnableStereoPosition */
1940
1941//----------------------------------------------------------------------------
1942// BassBoost_getParameter()
1943//----------------------------------------------------------------------------
1944// Purpose:
1945// Get a BassBoost parameter
1946//
1947// Inputs:
1948//  pBassBoost       - handle to instance data
1949//  pParam           - pointer to parameter
1950//  pValue           - pointer to variable to hold retrieved value
1951//  pValueSize       - pointer to value size: maximum size as input
1952//
1953// Outputs:
1954//  *pValue updated with parameter value
1955//  *pValueSize updated with actual value size
1956//
1957//
1958// Side Effects:
1959//
1960//----------------------------------------------------------------------------
1961
1962int BassBoost_getParameter(EffectContext     *pContext,
1963                           void              *pParam,
1964                           uint32_t          *pValueSize,
1965                           void              *pValue){
1966    int status = 0;
1967    int32_t *pParamTemp = (int32_t *)pParam;
1968    int32_t param = *pParamTemp++;
1969    int32_t param2;
1970    char *name;
1971
1972    //ALOGV("\tBassBoost_getParameter start");
1973
1974    switch (param){
1975        case BASSBOOST_PARAM_STRENGTH_SUPPORTED:
1976            if (*pValueSize != sizeof(uint32_t)){
1977                ALOGV("\tLVM_ERROR : BassBoost_getParameter() invalid pValueSize1 %d", *pValueSize);
1978                return -EINVAL;
1979            }
1980            *pValueSize = sizeof(uint32_t);
1981            break;
1982        case BASSBOOST_PARAM_STRENGTH:
1983            if (*pValueSize != sizeof(int16_t)){
1984                ALOGV("\tLVM_ERROR : BassBoost_getParameter() invalid pValueSize2 %d", *pValueSize);
1985                return -EINVAL;
1986            }
1987            *pValueSize = sizeof(int16_t);
1988            break;
1989
1990        default:
1991            ALOGV("\tLVM_ERROR : BassBoost_getParameter() invalid param %d", param);
1992            return -EINVAL;
1993    }
1994
1995    switch (param){
1996        case BASSBOOST_PARAM_STRENGTH_SUPPORTED:
1997            *(uint32_t *)pValue = 1;
1998
1999            //ALOGV("\tBassBoost_getParameter() BASSBOOST_PARAM_STRENGTH_SUPPORTED Value is %d",
2000            //        *(uint32_t *)pValue);
2001            break;
2002
2003        case BASSBOOST_PARAM_STRENGTH:
2004            *(int16_t *)pValue = BassGetStrength(pContext);
2005
2006            //ALOGV("\tBassBoost_getParameter() BASSBOOST_PARAM_STRENGTH Value is %d",
2007            //        *(int16_t *)pValue);
2008            break;
2009
2010        default:
2011            ALOGV("\tLVM_ERROR : BassBoost_getParameter() invalid param %d", param);
2012            status = -EINVAL;
2013            break;
2014    }
2015
2016    //ALOGV("\tBassBoost_getParameter end");
2017    return status;
2018} /* end BassBoost_getParameter */
2019
2020//----------------------------------------------------------------------------
2021// BassBoost_setParameter()
2022//----------------------------------------------------------------------------
2023// Purpose:
2024// Set a BassBoost parameter
2025//
2026// Inputs:
2027//  pBassBoost       - handle to instance data
2028//  pParam           - pointer to parameter
2029//  pValue           - pointer to value
2030//
2031// Outputs:
2032//
2033//----------------------------------------------------------------------------
2034
2035int BassBoost_setParameter (EffectContext *pContext, void *pParam, void *pValue){
2036    int status = 0;
2037    int16_t strength;
2038    int32_t *pParamTemp = (int32_t *)pParam;
2039
2040    //ALOGV("\tBassBoost_setParameter start");
2041
2042    switch (*pParamTemp){
2043        case BASSBOOST_PARAM_STRENGTH:
2044            strength = *(int16_t *)pValue;
2045            //ALOGV("\tBassBoost_setParameter() BASSBOOST_PARAM_STRENGTH value is %d", strength);
2046            //ALOGV("\tBassBoost_setParameter() Calling pBassBoost->BassSetStrength");
2047            BassSetStrength(pContext, (int32_t)strength);
2048            //ALOGV("\tBassBoost_setParameter() Called pBassBoost->BassSetStrength");
2049           break;
2050        default:
2051            ALOGV("\tLVM_ERROR : BassBoost_setParameter() invalid param %d", *pParamTemp);
2052            break;
2053    }
2054
2055    //ALOGV("\tBassBoost_setParameter end");
2056    return status;
2057} /* end BassBoost_setParameter */
2058
2059//----------------------------------------------------------------------------
2060// Virtualizer_getParameter()
2061//----------------------------------------------------------------------------
2062// Purpose:
2063// Get a Virtualizer parameter
2064//
2065// Inputs:
2066//  pVirtualizer     - handle to instance data
2067//  pParam           - pointer to parameter
2068//  pValue           - pointer to variable to hold retrieved value
2069//  pValueSize       - pointer to value size: maximum size as input
2070//
2071// Outputs:
2072//  *pValue updated with parameter value
2073//  *pValueSize updated with actual value size
2074//
2075//
2076// Side Effects:
2077//
2078//----------------------------------------------------------------------------
2079
2080int Virtualizer_getParameter(EffectContext        *pContext,
2081                             void                 *pParam,
2082                             uint32_t             *pValueSize,
2083                             void                 *pValue){
2084    int status = 0;
2085    int32_t *pParamTemp = (int32_t *)pParam;
2086    int32_t param = *pParamTemp++;
2087    char *name;
2088
2089    //ALOGV("\tVirtualizer_getParameter start");
2090
2091    switch (param){
2092        case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
2093            if (*pValueSize != sizeof(uint32_t)){
2094                ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid pValueSize %d",*pValueSize);
2095                return -EINVAL;
2096            }
2097            *pValueSize = sizeof(uint32_t);
2098            break;
2099        case VIRTUALIZER_PARAM_STRENGTH:
2100            if (*pValueSize != sizeof(int16_t)){
2101                ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid pValueSize2 %d",*pValueSize);
2102                return -EINVAL;
2103            }
2104            *pValueSize = sizeof(int16_t);
2105            break;
2106        case VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES:
2107            // return value size can only be interpreted as relative to input value,
2108            // deferring validity check to below
2109            break;
2110        case VIRTUALIZER_PARAM_VIRTUALIZATION_MODE:
2111            if (*pValueSize != sizeof(uint32_t)){
2112                ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid pValueSize %d",*pValueSize);
2113                return -EINVAL;
2114            }
2115            *pValueSize = sizeof(uint32_t);
2116            break;
2117        default:
2118            ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid param %d", param);
2119            return -EINVAL;
2120    }
2121
2122    switch (param){
2123        case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
2124            *(uint32_t *)pValue = 1;
2125
2126            //ALOGV("\tVirtualizer_getParameter() VIRTUALIZER_PARAM_STRENGTH_SUPPORTED Value is %d",
2127            //        *(uint32_t *)pValue);
2128            break;
2129
2130        case VIRTUALIZER_PARAM_STRENGTH:
2131            *(int16_t *)pValue = VirtualizerGetStrength(pContext);
2132
2133            //ALOGV("\tVirtualizer_getParameter() VIRTUALIZER_PARAM_STRENGTH Value is %d",
2134            //        *(int16_t *)pValue);
2135            break;
2136
2137        case VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES: {
2138            const audio_channel_mask_t channelMask = (audio_channel_mask_t) *pParamTemp++;
2139            const audio_devices_t deviceType = (audio_devices_t) *pParamTemp;
2140            uint32_t nbChannels = audio_channel_count_from_out_mask(channelMask);
2141            if (*pValueSize < 3 * nbChannels * sizeof(int32_t)){
2142                ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid pValueSize %d",*pValueSize);
2143                return -EINVAL;
2144            }
2145            // verify the configuration is supported
2146            status = VirtualizerIsConfigurationSupported(channelMask, deviceType);
2147            if (status == 0) {
2148                ALOGV("VIRTUALIZER_PARAM_VIRTUAL_SPEAKER_ANGLES supports mask=0x%x device=0x%x",
2149                        channelMask, deviceType);
2150                // configuration is supported, get the angles
2151                VirtualizerGetSpeakerAngles(channelMask, deviceType, (int32_t *)pValue);
2152            }
2153            }
2154            break;
2155
2156        case VIRTUALIZER_PARAM_VIRTUALIZATION_MODE:
2157            *(uint32_t *)pValue  = (uint32_t) VirtualizerGetVirtualizationMode(pContext);
2158            break;
2159
2160        default:
2161            ALOGV("\tLVM_ERROR : Virtualizer_getParameter() invalid param %d", param);
2162            status = -EINVAL;
2163            break;
2164    }
2165
2166    ALOGV("\tVirtualizer_getParameter end returning status=%d", status);
2167    return status;
2168} /* end Virtualizer_getParameter */
2169
2170//----------------------------------------------------------------------------
2171// Virtualizer_setParameter()
2172//----------------------------------------------------------------------------
2173// Purpose:
2174// Set a Virtualizer parameter
2175//
2176// Inputs:
2177//  pVirtualizer     - handle to instance data
2178//  pParam           - pointer to parameter
2179//  pValue           - pointer to value
2180//
2181// Outputs:
2182//
2183//----------------------------------------------------------------------------
2184
2185int Virtualizer_setParameter (EffectContext *pContext, void *pParam, void *pValue){
2186    int status = 0;
2187    int16_t strength;
2188    int32_t *pParamTemp = (int32_t *)pParam;
2189    int32_t param = *pParamTemp++;
2190
2191    //ALOGV("\tVirtualizer_setParameter start");
2192
2193    switch (param){
2194        case VIRTUALIZER_PARAM_STRENGTH:
2195            strength = *(int16_t *)pValue;
2196            //ALOGV("\tVirtualizer_setParameter() VIRTUALIZER_PARAM_STRENGTH value is %d", strength);
2197            //ALOGV("\tVirtualizer_setParameter() Calling pVirtualizer->setStrength");
2198            VirtualizerSetStrength(pContext, (int32_t)strength);
2199            //ALOGV("\tVirtualizer_setParameter() Called pVirtualizer->setStrength");
2200           break;
2201
2202        case VIRTUALIZER_PARAM_FORCE_VIRTUALIZATION_MODE: {
2203            const audio_devices_t deviceType = *(audio_devices_t *) pValue;
2204            status = VirtualizerForceVirtualizationMode(pContext, deviceType);
2205            //ALOGV("VIRTUALIZER_PARAM_FORCE_VIRTUALIZATION_MODE device=0x%x result=%d",
2206            //        deviceType, status);
2207            }
2208            break;
2209
2210        default:
2211            ALOGV("\tLVM_ERROR : Virtualizer_setParameter() invalid param %d", param);
2212            break;
2213    }
2214
2215    //ALOGV("\tVirtualizer_setParameter end");
2216    return status;
2217} /* end Virtualizer_setParameter */
2218
2219//----------------------------------------------------------------------------
2220// Equalizer_getParameter()
2221//----------------------------------------------------------------------------
2222// Purpose:
2223// Get a Equalizer parameter
2224//
2225// Inputs:
2226//  pEqualizer       - handle to instance data
2227//  pParam           - pointer to parameter
2228//  pValue           - pointer to variable to hold retrieved value
2229//  pValueSize       - pointer to value size: maximum size as input
2230//
2231// Outputs:
2232//  *pValue updated with parameter value
2233//  *pValueSize updated with actual value size
2234//
2235//
2236// Side Effects:
2237//
2238//----------------------------------------------------------------------------
2239int Equalizer_getParameter(EffectContext     *pContext,
2240                           void              *pParam,
2241                           uint32_t          *pValueSize,
2242                           void              *pValue){
2243    int status = 0;
2244    int bMute = 0;
2245    int32_t *pParamTemp = (int32_t *)pParam;
2246    int32_t param = *pParamTemp++;
2247    int32_t param2;
2248    char *name;
2249
2250    //ALOGV("\tEqualizer_getParameter start");
2251
2252    switch (param) {
2253    case EQ_PARAM_NUM_BANDS:
2254    case EQ_PARAM_CUR_PRESET:
2255    case EQ_PARAM_GET_NUM_OF_PRESETS:
2256    case EQ_PARAM_BAND_LEVEL:
2257    case EQ_PARAM_GET_BAND:
2258        if (*pValueSize < sizeof(int16_t)) {
2259            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 1  %d", *pValueSize);
2260            return -EINVAL;
2261        }
2262        *pValueSize = sizeof(int16_t);
2263        break;
2264
2265    case EQ_PARAM_LEVEL_RANGE:
2266        if (*pValueSize < 2 * sizeof(int16_t)) {
2267            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 2  %d", *pValueSize);
2268            return -EINVAL;
2269        }
2270        *pValueSize = 2 * sizeof(int16_t);
2271        break;
2272    case EQ_PARAM_BAND_FREQ_RANGE:
2273        if (*pValueSize < 2 * sizeof(int32_t)) {
2274            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 3  %d", *pValueSize);
2275            return -EINVAL;
2276        }
2277        *pValueSize = 2 * sizeof(int32_t);
2278        break;
2279
2280    case EQ_PARAM_CENTER_FREQ:
2281        if (*pValueSize < sizeof(int32_t)) {
2282            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 5  %d", *pValueSize);
2283            return -EINVAL;
2284        }
2285        *pValueSize = sizeof(int32_t);
2286        break;
2287
2288    case EQ_PARAM_GET_PRESET_NAME:
2289        break;
2290
2291    case EQ_PARAM_PROPERTIES:
2292        if (*pValueSize < (2 + FIVEBAND_NUMBANDS) * sizeof(uint16_t)) {
2293            ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid pValueSize 1  %d", *pValueSize);
2294            return -EINVAL;
2295        }
2296        *pValueSize = (2 + FIVEBAND_NUMBANDS) * sizeof(uint16_t);
2297        break;
2298
2299    default:
2300        ALOGV("\tLVM_ERROR : Equalizer_getParameter unknown param %d", param);
2301        return -EINVAL;
2302    }
2303
2304    switch (param) {
2305    case EQ_PARAM_NUM_BANDS:
2306        *(uint16_t *)pValue = (uint16_t)FIVEBAND_NUMBANDS;
2307        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_NUM_BANDS %d", *(int16_t *)pValue);
2308        break;
2309
2310    case EQ_PARAM_LEVEL_RANGE:
2311        *(int16_t *)pValue = -1500;
2312        *((int16_t *)pValue + 1) = 1500;
2313        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_LEVEL_RANGE min %d, max %d",
2314        //      *(int16_t *)pValue, *((int16_t *)pValue + 1));
2315        break;
2316
2317    case EQ_PARAM_BAND_LEVEL:
2318        param2 = *pParamTemp;
2319        if (param2 >= FIVEBAND_NUMBANDS) {
2320            status = -EINVAL;
2321            break;
2322        }
2323        *(int16_t *)pValue = (int16_t)EqualizerGetBandLevel(pContext, param2);
2324        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_BAND_LEVEL band %d, level %d",
2325        //      param2, *(int32_t *)pValue);
2326        break;
2327
2328    case EQ_PARAM_CENTER_FREQ:
2329        param2 = *pParamTemp;
2330        if (param2 >= FIVEBAND_NUMBANDS) {
2331            status = -EINVAL;
2332            break;
2333        }
2334        *(int32_t *)pValue = EqualizerGetCentreFrequency(pContext, param2);
2335        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_CENTER_FREQ band %d, frequency %d",
2336        //      param2, *(int32_t *)pValue);
2337        break;
2338
2339    case EQ_PARAM_BAND_FREQ_RANGE:
2340        param2 = *pParamTemp;
2341        if (param2 >= FIVEBAND_NUMBANDS) {
2342            status = -EINVAL;
2343            break;
2344        }
2345        EqualizerGetBandFreqRange(pContext, param2, (uint32_t *)pValue, ((uint32_t *)pValue + 1));
2346        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_BAND_FREQ_RANGE band %d, min %d, max %d",
2347        //      param2, *(int32_t *)pValue, *((int32_t *)pValue + 1));
2348        break;
2349
2350    case EQ_PARAM_GET_BAND:
2351        param2 = *pParamTemp;
2352        *(uint16_t *)pValue = (uint16_t)EqualizerGetBand(pContext, param2);
2353        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_GET_BAND frequency %d, band %d",
2354        //      param2, *(uint16_t *)pValue);
2355        break;
2356
2357    case EQ_PARAM_CUR_PRESET:
2358        *(uint16_t *)pValue = (uint16_t)EqualizerGetPreset(pContext);
2359        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_CUR_PRESET %d", *(int32_t *)pValue);
2360        break;
2361
2362    case EQ_PARAM_GET_NUM_OF_PRESETS:
2363        *(uint16_t *)pValue = (uint16_t)EqualizerGetNumPresets();
2364        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_GET_NUM_OF_PRESETS %d", *(int16_t *)pValue);
2365        break;
2366
2367    case EQ_PARAM_GET_PRESET_NAME:
2368        param2 = *pParamTemp;
2369        if (param2 >= EqualizerGetNumPresets()) {
2370        //if (param2 >= 20) {     // AGO FIX
2371            status = -EINVAL;
2372            break;
2373        }
2374        name = (char *)pValue;
2375        strncpy(name, EqualizerGetPresetName(param2), *pValueSize - 1);
2376        name[*pValueSize - 1] = 0;
2377        *pValueSize = strlen(name) + 1;
2378        //ALOGV("\tEqualizer_getParameter() EQ_PARAM_GET_PRESET_NAME preset %d, name %s len %d",
2379        //      param2, gEqualizerPresets[param2].name, *pValueSize);
2380        break;
2381
2382    case EQ_PARAM_PROPERTIES: {
2383        int16_t *p = (int16_t *)pValue;
2384        ALOGV("\tEqualizer_getParameter() EQ_PARAM_PROPERTIES");
2385        p[0] = (int16_t)EqualizerGetPreset(pContext);
2386        p[1] = (int16_t)FIVEBAND_NUMBANDS;
2387        for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
2388            p[2 + i] = (int16_t)EqualizerGetBandLevel(pContext, i);
2389        }
2390    } break;
2391
2392    default:
2393        ALOGV("\tLVM_ERROR : Equalizer_getParameter() invalid param %d", param);
2394        status = -EINVAL;
2395        break;
2396    }
2397
2398    //GV("\tEqualizer_getParameter end\n");
2399    return status;
2400} /* end Equalizer_getParameter */
2401
2402//----------------------------------------------------------------------------
2403// Equalizer_setParameter()
2404//----------------------------------------------------------------------------
2405// Purpose:
2406// Set a Equalizer parameter
2407//
2408// Inputs:
2409//  pEqualizer    - handle to instance data
2410//  pParam        - pointer to parameter
2411//  pValue        - pointer to value
2412//
2413// Outputs:
2414//
2415//----------------------------------------------------------------------------
2416int Equalizer_setParameter (EffectContext *pContext, void *pParam, void *pValue){
2417    int status = 0;
2418    int32_t preset;
2419    int32_t band;
2420    int32_t level;
2421    int32_t *pParamTemp = (int32_t *)pParam;
2422    int32_t param = *pParamTemp++;
2423
2424
2425    //ALOGV("\tEqualizer_setParameter start");
2426    switch (param) {
2427    case EQ_PARAM_CUR_PRESET:
2428        preset = (int32_t)(*(uint16_t *)pValue);
2429
2430        //ALOGV("\tEqualizer_setParameter() EQ_PARAM_CUR_PRESET %d", preset);
2431        if ((preset >= EqualizerGetNumPresets())||(preset < 0)) {
2432            status = -EINVAL;
2433            break;
2434        }
2435        EqualizerSetPreset(pContext, preset);
2436        break;
2437    case EQ_PARAM_BAND_LEVEL:
2438        band =  *pParamTemp;
2439        level = (int32_t)(*(int16_t *)pValue);
2440        //ALOGV("\tEqualizer_setParameter() EQ_PARAM_BAND_LEVEL band %d, level %d", band, level);
2441        if (band >= FIVEBAND_NUMBANDS) {
2442            status = -EINVAL;
2443            break;
2444        }
2445        EqualizerSetBandLevel(pContext, band, level);
2446        break;
2447    case EQ_PARAM_PROPERTIES: {
2448        //ALOGV("\tEqualizer_setParameter() EQ_PARAM_PROPERTIES");
2449        int16_t *p = (int16_t *)pValue;
2450        if ((int)p[0] >= EqualizerGetNumPresets()) {
2451            status = -EINVAL;
2452            break;
2453        }
2454        if (p[0] >= 0) {
2455            EqualizerSetPreset(pContext, (int)p[0]);
2456        } else {
2457            if ((int)p[1] != FIVEBAND_NUMBANDS) {
2458                status = -EINVAL;
2459                break;
2460            }
2461            for (int i = 0; i < FIVEBAND_NUMBANDS; i++) {
2462                EqualizerSetBandLevel(pContext, i, (int)p[2 + i]);
2463            }
2464        }
2465    } break;
2466    default:
2467        ALOGV("\tLVM_ERROR : Equalizer_setParameter() invalid param %d", param);
2468        status = -EINVAL;
2469        break;
2470    }
2471
2472    //ALOGV("\tEqualizer_setParameter end");
2473    return status;
2474} /* end Equalizer_setParameter */
2475
2476//----------------------------------------------------------------------------
2477// Volume_getParameter()
2478//----------------------------------------------------------------------------
2479// Purpose:
2480// Get a Volume parameter
2481//
2482// Inputs:
2483//  pVolume          - handle to instance data
2484//  pParam           - pointer to parameter
2485//  pValue           - pointer to variable to hold retrieved value
2486//  pValueSize       - pointer to value size: maximum size as input
2487//
2488// Outputs:
2489//  *pValue updated with parameter value
2490//  *pValueSize updated with actual value size
2491//
2492//
2493// Side Effects:
2494//
2495//----------------------------------------------------------------------------
2496
2497int Volume_getParameter(EffectContext     *pContext,
2498                        void              *pParam,
2499                        uint32_t          *pValueSize,
2500                        void              *pValue){
2501    int status = 0;
2502    int bMute = 0;
2503    int32_t *pParamTemp = (int32_t *)pParam;
2504    int32_t param = *pParamTemp++;;
2505    char *name;
2506
2507    //ALOGV("\tVolume_getParameter start");
2508
2509    switch (param){
2510        case VOLUME_PARAM_LEVEL:
2511        case VOLUME_PARAM_MAXLEVEL:
2512        case VOLUME_PARAM_STEREOPOSITION:
2513            if (*pValueSize != sizeof(int16_t)){
2514                ALOGV("\tLVM_ERROR : Volume_getParameter() invalid pValueSize 1  %d", *pValueSize);
2515                return -EINVAL;
2516            }
2517            *pValueSize = sizeof(int16_t);
2518            break;
2519
2520        case VOLUME_PARAM_MUTE:
2521        case VOLUME_PARAM_ENABLESTEREOPOSITION:
2522            if (*pValueSize < sizeof(int32_t)){
2523                ALOGV("\tLVM_ERROR : Volume_getParameter() invalid pValueSize 2  %d", *pValueSize);
2524                return -EINVAL;
2525            }
2526            *pValueSize = sizeof(int32_t);
2527            break;
2528
2529        default:
2530            ALOGV("\tLVM_ERROR : Volume_getParameter unknown param %d", param);
2531            return -EINVAL;
2532    }
2533
2534    switch (param){
2535        case VOLUME_PARAM_LEVEL:
2536            status = VolumeGetVolumeLevel(pContext, (int16_t *)(pValue));
2537            //ALOGV("\tVolume_getParameter() VOLUME_PARAM_LEVEL Value is %d",
2538            //        *(int16_t *)pValue);
2539            break;
2540
2541        case VOLUME_PARAM_MAXLEVEL:
2542            *(int16_t *)pValue = 0;
2543            //ALOGV("\tVolume_getParameter() VOLUME_PARAM_MAXLEVEL Value is %d",
2544            //        *(int16_t *)pValue);
2545            break;
2546
2547        case VOLUME_PARAM_STEREOPOSITION:
2548            VolumeGetStereoPosition(pContext, (int16_t *)pValue);
2549            //ALOGV("\tVolume_getParameter() VOLUME_PARAM_STEREOPOSITION Value is %d",
2550            //        *(int16_t *)pValue);
2551            break;
2552
2553        case VOLUME_PARAM_MUTE:
2554            status = VolumeGetMute(pContext, (uint32_t *)pValue);
2555            ALOGV("\tVolume_getParameter() VOLUME_PARAM_MUTE Value is %d",
2556                    *(uint32_t *)pValue);
2557            break;
2558
2559        case VOLUME_PARAM_ENABLESTEREOPOSITION:
2560            *(int32_t *)pValue = pContext->pBundledContext->bStereoPositionEnabled;
2561            //ALOGV("\tVolume_getParameter() VOLUME_PARAM_ENABLESTEREOPOSITION Value is %d",
2562            //        *(uint32_t *)pValue);
2563            break;
2564
2565        default:
2566            ALOGV("\tLVM_ERROR : Volume_getParameter() invalid param %d", param);
2567            status = -EINVAL;
2568            break;
2569    }
2570
2571    //ALOGV("\tVolume_getParameter end");
2572    return status;
2573} /* end Volume_getParameter */
2574
2575
2576//----------------------------------------------------------------------------
2577// Volume_setParameter()
2578//----------------------------------------------------------------------------
2579// Purpose:
2580// Set a Volume parameter
2581//
2582// Inputs:
2583//  pVolume       - handle to instance data
2584//  pParam        - pointer to parameter
2585//  pValue        - pointer to value
2586//
2587// Outputs:
2588//
2589//----------------------------------------------------------------------------
2590
2591int Volume_setParameter (EffectContext *pContext, void *pParam, void *pValue){
2592    int      status = 0;
2593    int16_t  level;
2594    int16_t  position;
2595    uint32_t mute;
2596    uint32_t positionEnabled;
2597    int32_t *pParamTemp = (int32_t *)pParam;
2598    int32_t param = *pParamTemp++;
2599
2600    //ALOGV("\tVolume_setParameter start");
2601
2602    switch (param){
2603        case VOLUME_PARAM_LEVEL:
2604            level = *(int16_t *)pValue;
2605            //ALOGV("\tVolume_setParameter() VOLUME_PARAM_LEVEL value is %d", level);
2606            //ALOGV("\tVolume_setParameter() Calling pVolume->setVolumeLevel");
2607            status = VolumeSetVolumeLevel(pContext, (int16_t)level);
2608            //ALOGV("\tVolume_setParameter() Called pVolume->setVolumeLevel");
2609            break;
2610
2611        case VOLUME_PARAM_MUTE:
2612            mute = *(uint32_t *)pValue;
2613            //ALOGV("\tVolume_setParameter() Calling pVolume->setMute, mute is %d", mute);
2614            //ALOGV("\tVolume_setParameter() Calling pVolume->setMute");
2615            status = VolumeSetMute(pContext, mute);
2616            //ALOGV("\tVolume_setParameter() Called pVolume->setMute");
2617            break;
2618
2619        case VOLUME_PARAM_ENABLESTEREOPOSITION:
2620            positionEnabled = *(uint32_t *)pValue;
2621            status = VolumeEnableStereoPosition(pContext, positionEnabled);
2622            status = VolumeSetStereoPosition(pContext, pContext->pBundledContext->positionSaved);
2623            //ALOGV("\tVolume_setParameter() VOLUME_PARAM_ENABLESTEREOPOSITION called");
2624            break;
2625
2626        case VOLUME_PARAM_STEREOPOSITION:
2627            position = *(int16_t *)pValue;
2628            //ALOGV("\tVolume_setParameter() VOLUME_PARAM_STEREOPOSITION value is %d", position);
2629            //ALOGV("\tVolume_setParameter() Calling pVolume->VolumeSetStereoPosition");
2630            status = VolumeSetStereoPosition(pContext, (int16_t)position);
2631            //ALOGV("\tVolume_setParameter() Called pVolume->VolumeSetStereoPosition");
2632            break;
2633
2634        default:
2635            ALOGV("\tLVM_ERROR : Volume_setParameter() invalid param %d", param);
2636            break;
2637    }
2638
2639    //ALOGV("\tVolume_setParameter end");
2640    return status;
2641} /* end Volume_setParameter */
2642
2643/****************************************************************************************
2644 * Name : LVC_ToDB_s32Tos16()
2645 *  Input       : Signed 32-bit integer
2646 *  Output      : Signed 16-bit integer
2647 *                  MSB (16) = sign bit
2648 *                  (15->05) = integer part
2649 *                  (04->01) = decimal part
2650 *  Returns     : Db value with respect to full scale
2651 *  Description :
2652 *  Remarks     :
2653 ****************************************************************************************/
2654
2655LVM_INT16 LVC_ToDB_s32Tos16(LVM_INT32 Lin_fix)
2656{
2657    LVM_INT16   db_fix;
2658    LVM_INT16   Shift;
2659    LVM_INT16   SmallRemainder;
2660    LVM_UINT32  Remainder = (LVM_UINT32)Lin_fix;
2661
2662    /* Count leading bits, 1 cycle in assembly*/
2663    for (Shift = 0; Shift<32; Shift++)
2664    {
2665        if ((Remainder & 0x80000000U)!=0)
2666        {
2667            break;
2668        }
2669        Remainder = Remainder << 1;
2670    }
2671
2672    /*
2673     * Based on the approximation equation (for Q11.4 format):
2674     *
2675     * dB = -96 * Shift + 16 * (8 * Remainder - 2 * Remainder^2)
2676     */
2677    db_fix    = (LVM_INT16)(-96 * Shift);               /* Six dB steps in Q11.4 format*/
2678    SmallRemainder = (LVM_INT16)((Remainder & 0x7fffffff) >> 24);
2679    db_fix = (LVM_INT16)(db_fix + SmallRemainder );
2680    SmallRemainder = (LVM_INT16)(SmallRemainder * SmallRemainder);
2681    db_fix = (LVM_INT16)(db_fix - (LVM_INT16)((LVM_UINT16)SmallRemainder >> 9));
2682
2683    /* Correct for small offset */
2684    db_fix = (LVM_INT16)(db_fix - 5);
2685
2686    return db_fix;
2687}
2688
2689//----------------------------------------------------------------------------
2690// Effect_setEnabled()
2691//----------------------------------------------------------------------------
2692// Purpose:
2693// Enable or disable effect
2694//
2695// Inputs:
2696//  pContext      - pointer to effect context
2697//  enabled       - true if enabling the effect, false otherwise
2698//
2699// Outputs:
2700//
2701//----------------------------------------------------------------------------
2702
2703int Effect_setEnabled(EffectContext *pContext, bool enabled)
2704{
2705    ALOGV("\tEffect_setEnabled() type %d, enabled %d", pContext->EffectType, enabled);
2706
2707    if (enabled) {
2708        // Bass boost or Virtualizer can be temporarily disabled if playing over device speaker due
2709        // to their nature.
2710        bool tempDisabled = false;
2711        switch (pContext->EffectType) {
2712            case LVM_BASS_BOOST:
2713                if (pContext->pBundledContext->bBassEnabled == LVM_TRUE) {
2714                     ALOGV("\tEffect_setEnabled() LVM_BASS_BOOST is already enabled");
2715                     return -EINVAL;
2716                }
2717                if(pContext->pBundledContext->SamplesToExitCountBb <= 0){
2718                    pContext->pBundledContext->NumberEffectsEnabled++;
2719                }
2720                pContext->pBundledContext->SamplesToExitCountBb =
2721                     (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1);
2722                pContext->pBundledContext->bBassEnabled = LVM_TRUE;
2723                tempDisabled = pContext->pBundledContext->bBassTempDisabled;
2724                break;
2725            case LVM_EQUALIZER:
2726                if (pContext->pBundledContext->bEqualizerEnabled == LVM_TRUE) {
2727                    ALOGV("\tEffect_setEnabled() LVM_EQUALIZER is already enabled");
2728                    return -EINVAL;
2729                }
2730                if(pContext->pBundledContext->SamplesToExitCountEq <= 0){
2731                    pContext->pBundledContext->NumberEffectsEnabled++;
2732                }
2733                pContext->pBundledContext->SamplesToExitCountEq =
2734                     (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1);
2735                pContext->pBundledContext->bEqualizerEnabled = LVM_TRUE;
2736                break;
2737            case LVM_VIRTUALIZER:
2738                if (pContext->pBundledContext->bVirtualizerEnabled == LVM_TRUE) {
2739                    ALOGV("\tEffect_setEnabled() LVM_VIRTUALIZER is already enabled");
2740                    return -EINVAL;
2741                }
2742                if(pContext->pBundledContext->SamplesToExitCountVirt <= 0){
2743                    pContext->pBundledContext->NumberEffectsEnabled++;
2744                }
2745                pContext->pBundledContext->SamplesToExitCountVirt =
2746                     (LVM_INT32)(pContext->pBundledContext->SamplesPerSecond*0.1);
2747                pContext->pBundledContext->bVirtualizerEnabled = LVM_TRUE;
2748                tempDisabled = pContext->pBundledContext->bVirtualizerTempDisabled;
2749                break;
2750            case LVM_VOLUME:
2751                if (pContext->pBundledContext->bVolumeEnabled == LVM_TRUE) {
2752                    ALOGV("\tEffect_setEnabled() LVM_VOLUME is already enabled");
2753                    return -EINVAL;
2754                }
2755                pContext->pBundledContext->NumberEffectsEnabled++;
2756                pContext->pBundledContext->bVolumeEnabled = LVM_TRUE;
2757                break;
2758            default:
2759                ALOGV("\tEffect_setEnabled() invalid effect type");
2760                return -EINVAL;
2761        }
2762        if (!tempDisabled) {
2763            LvmEffect_enable(pContext);
2764        }
2765    } else {
2766        switch (pContext->EffectType) {
2767            case LVM_BASS_BOOST:
2768                if (pContext->pBundledContext->bBassEnabled == LVM_FALSE) {
2769                    ALOGV("\tEffect_setEnabled() LVM_BASS_BOOST is already disabled");
2770                    return -EINVAL;
2771                }
2772                pContext->pBundledContext->bBassEnabled = LVM_FALSE;
2773                break;
2774            case LVM_EQUALIZER:
2775                if (pContext->pBundledContext->bEqualizerEnabled == LVM_FALSE) {
2776                    ALOGV("\tEffect_setEnabled() LVM_EQUALIZER is already disabled");
2777                    return -EINVAL;
2778                }
2779                pContext->pBundledContext->bEqualizerEnabled = LVM_FALSE;
2780                break;
2781            case LVM_VIRTUALIZER:
2782                if (pContext->pBundledContext->bVirtualizerEnabled == LVM_FALSE) {
2783                    ALOGV("\tEffect_setEnabled() LVM_VIRTUALIZER is already disabled");
2784                    return -EINVAL;
2785                }
2786                pContext->pBundledContext->bVirtualizerEnabled = LVM_FALSE;
2787                break;
2788            case LVM_VOLUME:
2789                if (pContext->pBundledContext->bVolumeEnabled == LVM_FALSE) {
2790                    ALOGV("\tEffect_setEnabled() LVM_VOLUME is already disabled");
2791                    return -EINVAL;
2792                }
2793                pContext->pBundledContext->bVolumeEnabled = LVM_FALSE;
2794                break;
2795            default:
2796                ALOGV("\tEffect_setEnabled() invalid effect type");
2797                return -EINVAL;
2798        }
2799        LvmEffect_disable(pContext);
2800    }
2801
2802    return 0;
2803}
2804
2805//----------------------------------------------------------------------------
2806// LVC_Convert_VolToDb()
2807//----------------------------------------------------------------------------
2808// Purpose:
2809// Convery volume in Q24 to dB
2810//
2811// Inputs:
2812//  vol:   Q.24 volume dB
2813//
2814//-----------------------------------------------------------------------
2815
2816int16_t LVC_Convert_VolToDb(uint32_t vol){
2817    int16_t  dB;
2818
2819    dB = LVC_ToDB_s32Tos16(vol <<7);
2820    dB = (dB +8)>>4;
2821    dB = (dB <-96) ? -96 : dB ;
2822
2823    return dB;
2824}
2825
2826} // namespace
2827} // namespace
2828
2829extern "C" {
2830/* Effect Control Interface Implementation: Process */
2831int Effect_process(effect_handle_t     self,
2832                              audio_buffer_t         *inBuffer,
2833                              audio_buffer_t         *outBuffer){
2834    EffectContext * pContext = (EffectContext *) self;
2835    LVM_ReturnStatus_en     LvmStatus = LVM_SUCCESS;                /* Function call status */
2836    int    status = 0;
2837    int    lvmStatus = 0;
2838    LVM_INT16   *in  = (LVM_INT16 *)inBuffer->raw;
2839    LVM_INT16   *out = (LVM_INT16 *)outBuffer->raw;
2840
2841//ALOGV("\tEffect_process Start : Enabled = %d     Called = %d (%8d %8d %8d)",
2842//pContext->pBundledContext->NumberEffectsEnabled,pContext->pBundledContext->NumberEffectsCalled,
2843//    pContext->pBundledContext->SamplesToExitCountBb,
2844//    pContext->pBundledContext->SamplesToExitCountVirt,
2845//    pContext->pBundledContext->SamplesToExitCountEq);
2846
2847    if (pContext == NULL){
2848        ALOGV("\tLVM_ERROR : Effect_process() ERROR pContext == NULL");
2849        return -EINVAL;
2850    }
2851
2852    //if(pContext->EffectType == LVM_BASS_BOOST){
2853    //  ALOGV("\tEffect_process: Effect type is BASS_BOOST");
2854    //}else if(pContext->EffectType == LVM_EQUALIZER){
2855    //  ALOGV("\tEffect_process: Effect type is LVM_EQUALIZER");
2856    //}else if(pContext->EffectType == LVM_VIRTUALIZER){
2857    //  ALOGV("\tEffect_process: Effect type is LVM_VIRTUALIZER");
2858    //}
2859
2860    if (inBuffer == NULL  || inBuffer->raw == NULL  ||
2861            outBuffer == NULL || outBuffer->raw == NULL ||
2862            inBuffer->frameCount != outBuffer->frameCount){
2863        ALOGV("\tLVM_ERROR : Effect_process() ERROR NULL INPUT POINTER OR FRAME COUNT IS WRONG");
2864        return -EINVAL;
2865    }
2866    if ((pContext->pBundledContext->bBassEnabled == LVM_FALSE)&&
2867        (pContext->EffectType == LVM_BASS_BOOST)){
2868        //ALOGV("\tEffect_process() LVM_BASS_BOOST Effect is not enabled");
2869        if(pContext->pBundledContext->SamplesToExitCountBb > 0){
2870            pContext->pBundledContext->SamplesToExitCountBb -= outBuffer->frameCount * 2; // STEREO
2871            //ALOGV("\tEffect_process: Waiting to turn off BASS_BOOST, %d samples left",
2872            //    pContext->pBundledContext->SamplesToExitCountBb);
2873        }
2874        if(pContext->pBundledContext->SamplesToExitCountBb <= 0) {
2875            status = -ENODATA;
2876            pContext->pBundledContext->NumberEffectsEnabled--;
2877            ALOGV("\tEffect_process() this is the last frame for LVM_BASS_BOOST");
2878        }
2879    }
2880    if ((pContext->pBundledContext->bVolumeEnabled == LVM_FALSE)&&
2881        (pContext->EffectType == LVM_VOLUME)){
2882        //ALOGV("\tEffect_process() LVM_VOLUME Effect is not enabled");
2883        status = -ENODATA;
2884        pContext->pBundledContext->NumberEffectsEnabled--;
2885    }
2886    if ((pContext->pBundledContext->bEqualizerEnabled == LVM_FALSE)&&
2887        (pContext->EffectType == LVM_EQUALIZER)){
2888        //ALOGV("\tEffect_process() LVM_EQUALIZER Effect is not enabled");
2889        if(pContext->pBundledContext->SamplesToExitCountEq > 0){
2890            pContext->pBundledContext->SamplesToExitCountEq -= outBuffer->frameCount * 2; // STEREO
2891            //ALOGV("\tEffect_process: Waiting to turn off EQUALIZER, %d samples left",
2892            //    pContext->pBundledContext->SamplesToExitCountEq);
2893        }
2894        if(pContext->pBundledContext->SamplesToExitCountEq <= 0) {
2895            status = -ENODATA;
2896            pContext->pBundledContext->NumberEffectsEnabled--;
2897            ALOGV("\tEffect_process() this is the last frame for LVM_EQUALIZER");
2898        }
2899    }
2900    if ((pContext->pBundledContext->bVirtualizerEnabled == LVM_FALSE)&&
2901        (pContext->EffectType == LVM_VIRTUALIZER)){
2902        //ALOGV("\tEffect_process() LVM_VIRTUALIZER Effect is not enabled");
2903        if(pContext->pBundledContext->SamplesToExitCountVirt > 0){
2904            pContext->pBundledContext->SamplesToExitCountVirt -= outBuffer->frameCount * 2;// STEREO
2905            //ALOGV("\tEffect_process: Waiting for to turn off VIRTUALIZER, %d samples left",
2906            //    pContext->pBundledContext->SamplesToExitCountVirt);
2907        }
2908        if(pContext->pBundledContext->SamplesToExitCountVirt <= 0) {
2909            status = -ENODATA;
2910            pContext->pBundledContext->NumberEffectsEnabled--;
2911            ALOGV("\tEffect_process() this is the last frame for LVM_VIRTUALIZER");
2912        }
2913    }
2914
2915    if(status != -ENODATA){
2916        pContext->pBundledContext->NumberEffectsCalled++;
2917    }
2918
2919    if(pContext->pBundledContext->NumberEffectsCalled ==
2920       pContext->pBundledContext->NumberEffectsEnabled){
2921        //ALOGV("\tEffect_process     Calling process with %d effects enabled, %d called: Effect %d",
2922        //pContext->pBundledContext->NumberEffectsEnabled,
2923        //pContext->pBundledContext->NumberEffectsCalled, pContext->EffectType);
2924
2925        if(status == -ENODATA){
2926            ALOGV("\tEffect_process() processing last frame");
2927        }
2928        pContext->pBundledContext->NumberEffectsCalled = 0;
2929        /* Process all the available frames, block processing is
2930           handled internalLY by the LVM bundle */
2931        lvmStatus = android::LvmBundle_process(    (LVM_INT16 *)inBuffer->raw,
2932                                                (LVM_INT16 *)outBuffer->raw,
2933                                                outBuffer->frameCount,
2934                                                pContext);
2935        if(lvmStatus != LVM_SUCCESS){
2936            ALOGV("\tLVM_ERROR : LvmBundle_process returned error %d", lvmStatus);
2937            return lvmStatus;
2938        }
2939    } else {
2940        //ALOGV("\tEffect_process Not Calling process with %d effects enabled, %d called: Effect %d",
2941        //pContext->pBundledContext->NumberEffectsEnabled,
2942        //pContext->pBundledContext->NumberEffectsCalled, pContext->EffectType);
2943        // 2 is for stereo input
2944        if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE) {
2945            for (size_t i=0; i < outBuffer->frameCount*2; i++){
2946                outBuffer->s16[i] =
2947                        clamp16((LVM_INT32)outBuffer->s16[i] + (LVM_INT32)inBuffer->s16[i]);
2948            }
2949        } else if (outBuffer->raw != inBuffer->raw) {
2950            memcpy(outBuffer->raw, inBuffer->raw, outBuffer->frameCount*sizeof(LVM_INT16)*2);
2951        }
2952    }
2953
2954    return status;
2955}   /* end Effect_process */
2956
2957/* Effect Control Interface Implementation: Command */
2958int Effect_command(effect_handle_t  self,
2959                              uint32_t            cmdCode,
2960                              uint32_t            cmdSize,
2961                              void                *pCmdData,
2962                              uint32_t            *replySize,
2963                              void                *pReplyData){
2964    EffectContext * pContext = (EffectContext *) self;
2965    int retsize;
2966
2967    //ALOGV("\t\nEffect_command start");
2968
2969    if(pContext->EffectType == LVM_BASS_BOOST){
2970        //ALOGV("\tEffect_command setting command for LVM_BASS_BOOST");
2971    }
2972    if(pContext->EffectType == LVM_VIRTUALIZER){
2973        //ALOGV("\tEffect_command setting command for LVM_VIRTUALIZER");
2974    }
2975    if(pContext->EffectType == LVM_EQUALIZER){
2976        //ALOGV("\tEffect_command setting command for LVM_EQUALIZER");
2977    }
2978    if(pContext->EffectType == LVM_VOLUME){
2979        //ALOGV("\tEffect_command setting command for LVM_VOLUME");
2980    }
2981
2982    if (pContext == NULL){
2983        ALOGV("\tLVM_ERROR : Effect_command ERROR pContext == NULL");
2984        return -EINVAL;
2985    }
2986
2987    //ALOGV("\tEffect_command INPUTS are: command %d cmdSize %d",cmdCode, cmdSize);
2988
2989    // Incase we disable an effect, next time process is
2990    // called the number of effect called could be greater
2991    // pContext->pBundledContext->NumberEffectsCalled = 0;
2992
2993    //ALOGV("\tEffect_command NumberEffectsCalled = %d, NumberEffectsEnabled = %d",
2994    //        pContext->pBundledContext->NumberEffectsCalled,
2995    //        pContext->pBundledContext->NumberEffectsEnabled);
2996
2997    switch (cmdCode){
2998        case EFFECT_CMD_INIT:
2999            if (pReplyData == NULL || *replySize != sizeof(int)){
3000                ALOGV("\tLVM_ERROR, EFFECT_CMD_INIT: ERROR for effect type %d",
3001                        pContext->EffectType);
3002                return -EINVAL;
3003            }
3004            *(int *) pReplyData = 0;
3005            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_INIT start");
3006            if(pContext->EffectType == LVM_BASS_BOOST){
3007                //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_INIT for LVM_BASS_BOOST");
3008                android::BassSetStrength(pContext, 0);
3009            }
3010            if(pContext->EffectType == LVM_VIRTUALIZER){
3011                //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_INIT for LVM_VIRTUALIZER");
3012                android::VirtualizerSetStrength(pContext, 0);
3013            }
3014            if(pContext->EffectType == LVM_EQUALIZER){
3015                //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_INIT for LVM_EQUALIZER");
3016                android::EqualizerSetPreset(pContext, 0);
3017            }
3018            if(pContext->EffectType == LVM_VOLUME){
3019                //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_INIT for LVM_VOLUME");
3020                *(int *) pReplyData = android::VolumeSetVolumeLevel(pContext, 0);
3021            }
3022            break;
3023
3024        case EFFECT_CMD_SET_CONFIG:
3025            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_SET_CONFIG start");
3026            if (pCmdData    == NULL||
3027                cmdSize     != sizeof(effect_config_t)||
3028                pReplyData  == NULL||
3029                *replySize  != sizeof(int)){
3030                ALOGV("\tLVM_ERROR : Effect_command cmdCode Case: "
3031                        "EFFECT_CMD_SET_CONFIG: ERROR");
3032                return -EINVAL;
3033            }
3034            *(int *) pReplyData = android::Effect_setConfig(pContext, (effect_config_t *) pCmdData);
3035            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_SET_CONFIG end");
3036            break;
3037
3038        case EFFECT_CMD_GET_CONFIG:
3039            if (pReplyData == NULL ||
3040                *replySize != sizeof(effect_config_t)) {
3041                ALOGV("\tLVM_ERROR : Effect_command cmdCode Case: "
3042                        "EFFECT_CMD_GET_CONFIG: ERROR");
3043                return -EINVAL;
3044            }
3045
3046            android::Effect_getConfig(pContext, (effect_config_t *)pReplyData);
3047            break;
3048
3049        case EFFECT_CMD_RESET:
3050            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_RESET start");
3051            android::Effect_setConfig(pContext, &pContext->config);
3052            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_RESET end");
3053            break;
3054
3055        case EFFECT_CMD_GET_PARAM:{
3056            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_GET_PARAM start");
3057
3058            if(pContext->EffectType == LVM_BASS_BOOST){
3059                if (pCmdData == NULL ||
3060                        cmdSize < (sizeof(effect_param_t) + sizeof(int32_t)) ||
3061                        pReplyData == NULL ||
3062                        *replySize < (sizeof(effect_param_t) + sizeof(int32_t))){
3063                    ALOGV("\tLVM_ERROR : BassBoost_command cmdCode Case: "
3064                            "EFFECT_CMD_GET_PARAM: ERROR");
3065                    return -EINVAL;
3066                }
3067                effect_param_t *p = (effect_param_t *)pCmdData;
3068
3069                memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + p->psize);
3070
3071                p = (effect_param_t *)pReplyData;
3072
3073                int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
3074
3075                p->status = android::BassBoost_getParameter(pContext,
3076                                                            p->data,
3077                                                            &p->vsize,
3078                                                            p->data + voffset);
3079
3080                *replySize = sizeof(effect_param_t) + voffset + p->vsize;
3081
3082                //ALOGV("\tBassBoost_command EFFECT_CMD_GET_PARAM "
3083                //        "*pCmdData %d, *replySize %d, *pReplyData %d ",
3084                //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
3085                //        *replySize,
3086                //        *(int16_t *)((char *)pReplyData + sizeof(effect_param_t) + voffset));
3087            }
3088
3089            if(pContext->EffectType == LVM_VIRTUALIZER){
3090                if (pCmdData == NULL ||
3091                        cmdSize < (sizeof(effect_param_t) + sizeof(int32_t)) ||
3092                        pReplyData == NULL ||
3093                        *replySize < (sizeof(effect_param_t) + sizeof(int32_t))){
3094                    ALOGV("\tLVM_ERROR : Virtualizer_command cmdCode Case: "
3095                            "EFFECT_CMD_GET_PARAM: ERROR");
3096                    return -EINVAL;
3097                }
3098                effect_param_t *p = (effect_param_t *)pCmdData;
3099
3100                memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + p->psize);
3101
3102                p = (effect_param_t *)pReplyData;
3103
3104                int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
3105
3106                p->status = android::Virtualizer_getParameter(pContext,
3107                                                              (void *)p->data,
3108                                                              &p->vsize,
3109                                                              p->data + voffset);
3110                *replySize = sizeof(effect_param_t) + voffset + p->vsize;
3111
3112                //ALOGV("\tVirtualizer_command EFFECT_CMD_GET_PARAM "
3113                //        "*pCmdData %d, *replySize %d, *pReplyData %d ",
3114                //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
3115                //        *replySize,
3116                //        *(int16_t *)((char *)pReplyData + sizeof(effect_param_t) + voffset));
3117            }
3118            if(pContext->EffectType == LVM_EQUALIZER){
3119                //ALOGV("\tEqualizer_command cmdCode Case: "
3120                //        "EFFECT_CMD_GET_PARAM start");
3121                if (pCmdData == NULL ||
3122                    cmdSize < (sizeof(effect_param_t) + sizeof(int32_t)) ||
3123                    pReplyData == NULL ||
3124                    *replySize < (int) (sizeof(effect_param_t) + sizeof(int32_t))) {
3125                    ALOGV("\tLVM_ERROR : Equalizer_command cmdCode Case: "
3126                            "EFFECT_CMD_GET_PARAM");
3127                    return -EINVAL;
3128                }
3129                effect_param_t *p = (effect_param_t *)pCmdData;
3130
3131                memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + p->psize);
3132
3133                p = (effect_param_t *)pReplyData;
3134
3135                int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
3136
3137                p->status = android::Equalizer_getParameter(pContext,
3138                                                            p->data,
3139                                                            &p->vsize,
3140                                                            p->data + voffset);
3141
3142                *replySize = sizeof(effect_param_t) + voffset + p->vsize;
3143
3144                //ALOGV("\tEqualizer_command EFFECT_CMD_GET_PARAM *pCmdData %d, *replySize %d, "
3145                //       "*pReplyData %08x %08x",
3146                //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)), *replySize,
3147                //        *(int32_t *)((char *)pReplyData + sizeof(effect_param_t) + voffset),
3148                //        *(int32_t *)((char *)pReplyData + sizeof(effect_param_t) + voffset +
3149                //        sizeof(int32_t)));
3150            }
3151            if(pContext->EffectType == LVM_VOLUME){
3152                //ALOGV("\tVolume_command cmdCode Case: EFFECT_CMD_GET_PARAM start");
3153                if (pCmdData == NULL ||
3154                        cmdSize < (sizeof(effect_param_t) + sizeof(int32_t)) ||
3155                        pReplyData == NULL ||
3156                        *replySize < (int) (sizeof(effect_param_t) + sizeof(int32_t))){
3157                    ALOGV("\tLVM_ERROR : Volume_command cmdCode Case: "
3158                            "EFFECT_CMD_GET_PARAM: ERROR");
3159                    return -EINVAL;
3160                }
3161                effect_param_t *p = (effect_param_t *)pCmdData;
3162
3163                memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + p->psize);
3164
3165                p = (effect_param_t *)pReplyData;
3166
3167                int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
3168
3169                p->status = android::Volume_getParameter(pContext,
3170                                                         (void *)p->data,
3171                                                         &p->vsize,
3172                                                         p->data + voffset);
3173
3174                *replySize = sizeof(effect_param_t) + voffset + p->vsize;
3175
3176                //ALOGV("\tVolume_command EFFECT_CMD_GET_PARAM "
3177                //        "*pCmdData %d, *replySize %d, *pReplyData %d ",
3178                //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
3179                //        *replySize,
3180                //        *(int16_t *)((char *)pReplyData + sizeof(effect_param_t) + voffset));
3181            }
3182            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_GET_PARAM end");
3183        } break;
3184        case EFFECT_CMD_SET_PARAM:{
3185            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_SET_PARAM start");
3186            if(pContext->EffectType == LVM_BASS_BOOST){
3187                //ALOGV("\tBassBoost_command EFFECT_CMD_SET_PARAM param %d, *replySize %d, value %d",
3188                //       *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
3189                //       *replySize,
3190                //       *(int16_t *)((char *)pCmdData + sizeof(effect_param_t) + sizeof(int32_t)));
3191
3192                if (pCmdData   == NULL||
3193                    cmdSize    != (sizeof(effect_param_t) + sizeof(int32_t) +sizeof(int16_t))||
3194                    pReplyData == NULL||
3195                    *replySize != sizeof(int32_t)){
3196                    ALOGV("\tLVM_ERROR : BassBoost_command cmdCode Case: "
3197                            "EFFECT_CMD_SET_PARAM: ERROR");
3198                    return -EINVAL;
3199                }
3200                effect_param_t *p = (effect_param_t *) pCmdData;
3201
3202                if (p->psize != sizeof(int32_t)){
3203                    ALOGV("\tLVM_ERROR : BassBoost_command cmdCode Case: "
3204                            "EFFECT_CMD_SET_PARAM: ERROR, psize is not sizeof(int32_t)");
3205                    return -EINVAL;
3206                }
3207
3208                //ALOGV("\tnBassBoost_command cmdSize is %d\n"
3209                //        "\tsizeof(effect_param_t) is  %d\n"
3210                //        "\tp->psize is %d\n"
3211                //        "\tp->vsize is %d"
3212                //        "\n",
3213                //        cmdSize, sizeof(effect_param_t), p->psize, p->vsize );
3214
3215                *(int *)pReplyData = android::BassBoost_setParameter(pContext,
3216                                                                    (void *)p->data,
3217                                                                    p->data + p->psize);
3218            }
3219            if(pContext->EffectType == LVM_VIRTUALIZER){
3220              // Warning this log will fail to properly read an int32_t value, assumes int16_t
3221              //ALOGV("\tVirtualizer_command EFFECT_CMD_SET_PARAM param %d, *replySize %d, value %d",
3222              //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
3223              //        *replySize,
3224              //        *(int16_t *)((char *)pCmdData + sizeof(effect_param_t) + sizeof(int32_t)));
3225
3226                if (pCmdData   == NULL ||
3227                    // legal parameters are int16_t or int32_t
3228                    cmdSize    > (sizeof(effect_param_t) + sizeof(int32_t) +sizeof(int32_t)) ||
3229                    cmdSize    < (sizeof(effect_param_t) + sizeof(int32_t) +sizeof(int16_t)) ||
3230                    pReplyData == NULL ||
3231                    *replySize != sizeof(int32_t)){
3232                    ALOGV("\tLVM_ERROR : Virtualizer_command cmdCode Case: "
3233                            "EFFECT_CMD_SET_PARAM: ERROR");
3234                    return -EINVAL;
3235                }
3236                effect_param_t *p = (effect_param_t *) pCmdData;
3237
3238                if (p->psize != sizeof(int32_t)){
3239                    ALOGV("\tLVM_ERROR : Virtualizer_command cmdCode Case: "
3240                            "EFFECT_CMD_SET_PARAM: ERROR, psize is not sizeof(int32_t)");
3241                    return -EINVAL;
3242                }
3243
3244                //ALOGV("\tnVirtualizer_command cmdSize is %d\n"
3245                //        "\tsizeof(effect_param_t) is  %d\n"
3246                //        "\tp->psize is %d\n"
3247                //        "\tp->vsize is %d"
3248                //        "\n",
3249                //        cmdSize, sizeof(effect_param_t), p->psize, p->vsize );
3250
3251                *(int *)pReplyData = android::Virtualizer_setParameter(pContext,
3252                                                                      (void *)p->data,
3253                                                                       p->data + p->psize);
3254            }
3255            if(pContext->EffectType == LVM_EQUALIZER){
3256               //ALOGV("\tEqualizer_command cmdCode Case: "
3257               //        "EFFECT_CMD_SET_PARAM start");
3258               //ALOGV("\tEqualizer_command EFFECT_CMD_SET_PARAM param %d, *replySize %d, value %d ",
3259               //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
3260               //        *replySize,
3261               //        *(int16_t *)((char *)pCmdData + sizeof(effect_param_t) + sizeof(int32_t)));
3262
3263                if (pCmdData == NULL || cmdSize < (sizeof(effect_param_t) + sizeof(int32_t)) ||
3264                    pReplyData == NULL || *replySize != sizeof(int32_t)) {
3265                    ALOGV("\tLVM_ERROR : Equalizer_command cmdCode Case: "
3266                            "EFFECT_CMD_SET_PARAM: ERROR");
3267                    return -EINVAL;
3268                }
3269                effect_param_t *p = (effect_param_t *) pCmdData;
3270
3271                *(int *)pReplyData = android::Equalizer_setParameter(pContext,
3272                                                                    (void *)p->data,
3273                                                                     p->data + p->psize);
3274            }
3275            if(pContext->EffectType == LVM_VOLUME){
3276                //ALOGV("\tVolume_command cmdCode Case: EFFECT_CMD_SET_PARAM start");
3277                //ALOGV("\tVolume_command EFFECT_CMD_SET_PARAM param %d, *replySize %d, value %d ",
3278                //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
3279                //        *replySize,
3280                //        *(int16_t *)((char *)pCmdData + sizeof(effect_param_t) +sizeof(int32_t)));
3281
3282                if (    pCmdData   == NULL||
3283                        cmdSize    < (sizeof(effect_param_t) + sizeof(int32_t))||
3284                        pReplyData == NULL||
3285                        *replySize != sizeof(int32_t)){
3286                    ALOGV("\tLVM_ERROR : Volume_command cmdCode Case: "
3287                            "EFFECT_CMD_SET_PARAM: ERROR");
3288                    return -EINVAL;
3289                }
3290                effect_param_t *p = (effect_param_t *) pCmdData;
3291
3292                *(int *)pReplyData = android::Volume_setParameter(pContext,
3293                                                                 (void *)p->data,
3294                                                                 p->data + p->psize);
3295            }
3296            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_SET_PARAM end");
3297        } break;
3298
3299        case EFFECT_CMD_ENABLE:
3300            ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_ENABLE start");
3301            if (pReplyData == NULL || *replySize != sizeof(int)){
3302                ALOGV("\tLVM_ERROR : Effect_command cmdCode Case: EFFECT_CMD_ENABLE: ERROR");
3303                return -EINVAL;
3304            }
3305
3306            *(int *)pReplyData = android::Effect_setEnabled(pContext, LVM_TRUE);
3307            break;
3308
3309        case EFFECT_CMD_DISABLE:
3310            //ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_DISABLE start");
3311            if (pReplyData == NULL || *replySize != sizeof(int)){
3312                ALOGV("\tLVM_ERROR : Effect_command cmdCode Case: EFFECT_CMD_DISABLE: ERROR");
3313                return -EINVAL;
3314            }
3315            *(int *)pReplyData = android::Effect_setEnabled(pContext, LVM_FALSE);
3316            break;
3317
3318        case EFFECT_CMD_SET_DEVICE:
3319        {
3320            ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_SET_DEVICE start");
3321            uint32_t device = *(uint32_t *)pCmdData;
3322            pContext->pBundledContext->nOutputDevice = (audio_devices_t) device;
3323
3324            if (pContext->EffectType == LVM_BASS_BOOST) {
3325                if((device == AUDIO_DEVICE_OUT_SPEAKER) ||
3326                        (device == AUDIO_DEVICE_OUT_BLUETOOTH_SCO_CARKIT) ||
3327                        (device == AUDIO_DEVICE_OUT_BLUETOOTH_A2DP_SPEAKER)){
3328                    ALOGV("\tEFFECT_CMD_SET_DEVICE device is invalid for LVM_BASS_BOOST %d",
3329                          *(int32_t *)pCmdData);
3330                    ALOGV("\tEFFECT_CMD_SET_DEVICE temporary disable LVM_BAS_BOOST");
3331
3332                    // If a device doesnt support bassboost the effect must be temporarily disabled
3333                    // the effect must still report its original state as this can only be changed
3334                    // by the ENABLE/DISABLE command
3335
3336                    if (pContext->pBundledContext->bBassEnabled == LVM_TRUE) {
3337                        ALOGV("\tEFFECT_CMD_SET_DEVICE disable LVM_BASS_BOOST %d",
3338                             *(int32_t *)pCmdData);
3339                        android::LvmEffect_disable(pContext);
3340                    }
3341                    pContext->pBundledContext->bBassTempDisabled = LVM_TRUE;
3342                } else {
3343                    ALOGV("\tEFFECT_CMD_SET_DEVICE device is valid for LVM_BASS_BOOST %d",
3344                         *(int32_t *)pCmdData);
3345
3346                    // If a device supports bassboost and the effect has been temporarily disabled
3347                    // previously then re-enable it
3348
3349                    if (pContext->pBundledContext->bBassEnabled == LVM_TRUE) {
3350                        ALOGV("\tEFFECT_CMD_SET_DEVICE re-enable LVM_BASS_BOOST %d",
3351                             *(int32_t *)pCmdData);
3352                        android::LvmEffect_enable(pContext);
3353                    }
3354                    pContext->pBundledContext->bBassTempDisabled = LVM_FALSE;
3355                }
3356            }
3357            if (pContext->EffectType == LVM_VIRTUALIZER) {
3358                if (pContext->pBundledContext->nVirtualizerForcedDevice == AUDIO_DEVICE_NONE) {
3359                    // default case unless configuration is forced
3360                    if (android::VirtualizerIsDeviceSupported(device) != 0) {
3361                        ALOGV("\tEFFECT_CMD_SET_DEVICE device is invalid for LVM_VIRTUALIZER %d",
3362                                *(int32_t *)pCmdData);
3363                        ALOGV("\tEFFECT_CMD_SET_DEVICE temporary disable LVM_VIRTUALIZER");
3364
3365                        //If a device doesnt support virtualizer the effect must be temporarily
3366                        // disabled the effect must still report its original state as this can
3367                        // only be changed by the ENABLE/DISABLE command
3368
3369                        if (pContext->pBundledContext->bVirtualizerEnabled == LVM_TRUE) {
3370                            ALOGV("\tEFFECT_CMD_SET_DEVICE disable LVM_VIRTUALIZER %d",
3371                                    *(int32_t *)pCmdData);
3372                            android::LvmEffect_disable(pContext);
3373                        }
3374                        pContext->pBundledContext->bVirtualizerTempDisabled = LVM_TRUE;
3375                    } else {
3376                        ALOGV("\tEFFECT_CMD_SET_DEVICE device is valid for LVM_VIRTUALIZER %d",
3377                                *(int32_t *)pCmdData);
3378
3379                        // If a device supports virtualizer and the effect has been temporarily
3380                        // disabled previously then re-enable it
3381
3382                        if(pContext->pBundledContext->bVirtualizerEnabled == LVM_TRUE){
3383                            ALOGV("\tEFFECT_CMD_SET_DEVICE re-enable LVM_VIRTUALIZER %d",
3384                                    *(int32_t *)pCmdData);
3385                            android::LvmEffect_enable(pContext);
3386                        }
3387                        pContext->pBundledContext->bVirtualizerTempDisabled = LVM_FALSE;
3388                    }
3389                } // else virtualization mode is forced to a certain device, nothing to do
3390            }
3391            ALOGV("\tEffect_command cmdCode Case: EFFECT_CMD_SET_DEVICE end");
3392            break;
3393        }
3394        case EFFECT_CMD_SET_VOLUME:
3395        {
3396            uint32_t leftVolume, rightVolume;
3397            int16_t  leftdB, rightdB;
3398            int16_t  maxdB, pandB;
3399            int32_t  vol_ret[2] = {1<<24,1<<24}; // Apply no volume
3400            int      status = 0;
3401            LVM_ControlParams_t     ActiveParams;           /* Current control Parameters */
3402            LVM_ReturnStatus_en     LvmStatus=LVM_SUCCESS;  /* Function call status */
3403
3404            // if pReplyData is NULL, VOL_CTRL is delegated to another effect
3405            if(pReplyData == LVM_NULL){
3406                break;
3407            }
3408
3409            if (pCmdData == NULL ||
3410                cmdSize != 2 * sizeof(uint32_t)) {
3411                ALOGV("\tLVM_ERROR : Effect_command cmdCode Case: "
3412                        "EFFECT_CMD_SET_VOLUME: ERROR");
3413                return -EINVAL;
3414            }
3415
3416            leftVolume  = ((*(uint32_t *)pCmdData));
3417            rightVolume = ((*((uint32_t *)pCmdData + 1)));
3418
3419            if(leftVolume == 0x1000000){
3420                leftVolume -= 1;
3421            }
3422            if(rightVolume == 0x1000000){
3423                rightVolume -= 1;
3424            }
3425
3426            // Convert volume to dB
3427            leftdB  = android::LVC_Convert_VolToDb(leftVolume);
3428            rightdB = android::LVC_Convert_VolToDb(rightVolume);
3429
3430            pandB = rightdB - leftdB;
3431
3432            // Calculate max volume in dB
3433            maxdB = leftdB;
3434            if(rightdB > maxdB){
3435                maxdB = rightdB;
3436            }
3437            //ALOGV("\tEFFECT_CMD_SET_VOLUME Session: %d, SessionID: %d VOLUME is %d dB (%d), "
3438            //      "effect is %d",
3439            //pContext->pBundledContext->SessionNo, pContext->pBundledContext->SessionId,
3440            //(int32_t)maxdB, maxVol<<7, pContext->EffectType);
3441            //ALOGV("\tEFFECT_CMD_SET_VOLUME: Left is %d, Right is %d", leftVolume, rightVolume);
3442            //ALOGV("\tEFFECT_CMD_SET_VOLUME: Left %ddB, Right %ddB, Position %ddB",
3443            //        leftdB, rightdB, pandB);
3444
3445            memcpy(pReplyData, vol_ret, sizeof(int32_t)*2);
3446            android::VolumeSetVolumeLevel(pContext, (int16_t)(maxdB*100));
3447
3448            /* Get the current settings */
3449            LvmStatus =LVM_GetControlParameters(pContext->pBundledContext->hInstance,&ActiveParams);
3450            LVM_ERROR_CHECK(LvmStatus, "LVM_GetControlParameters", "VolumeSetStereoPosition")
3451            if(LvmStatus != LVM_SUCCESS) return -EINVAL;
3452
3453            /* Volume parameters */
3454            ActiveParams.VC_Balance  = pandB;
3455            ALOGV("\t\tVolumeSetStereoPosition() (-96dB -> +96dB)-> %d\n", ActiveParams.VC_Balance );
3456
3457            /* Activate the initial settings */
3458            LvmStatus =LVM_SetControlParameters(pContext->pBundledContext->hInstance,&ActiveParams);
3459            LVM_ERROR_CHECK(LvmStatus, "LVM_SetControlParameters", "VolumeSetStereoPosition")
3460            if(LvmStatus != LVM_SUCCESS) return -EINVAL;
3461            break;
3462         }
3463        case EFFECT_CMD_SET_AUDIO_MODE:
3464            break;
3465        default:
3466            return -EINVAL;
3467    }
3468
3469    //ALOGV("\tEffect_command end...\n\n");
3470    return 0;
3471}    /* end Effect_command */
3472
3473/* Effect Control Interface Implementation: get_descriptor */
3474int Effect_getDescriptor(effect_handle_t   self,
3475                                    effect_descriptor_t *pDescriptor)
3476{
3477    EffectContext * pContext = (EffectContext *) self;
3478    const effect_descriptor_t *desc;
3479
3480    if (pContext == NULL || pDescriptor == NULL) {
3481        ALOGV("Effect_getDescriptor() invalid param");
3482        return -EINVAL;
3483    }
3484
3485    switch(pContext->EffectType) {
3486        case LVM_BASS_BOOST:
3487            desc = &android::gBassBoostDescriptor;
3488            break;
3489        case LVM_VIRTUALIZER:
3490            desc = &android::gVirtualizerDescriptor;
3491            break;
3492        case LVM_EQUALIZER:
3493            desc = &android::gEqualizerDescriptor;
3494            break;
3495        case LVM_VOLUME:
3496            desc = &android::gVolumeDescriptor;
3497            break;
3498        default:
3499            return -EINVAL;
3500    }
3501
3502    *pDescriptor = *desc;
3503
3504    return 0;
3505}   /* end Effect_getDescriptor */
3506
3507// effect_handle_t interface implementation for effect
3508const struct effect_interface_s gLvmEffectInterface = {
3509    Effect_process,
3510    Effect_command,
3511    Effect_getDescriptor,
3512    NULL,
3513};    /* end gLvmEffectInterface */
3514
3515// This is the only symbol that needs to be exported
3516__attribute__ ((visibility ("default")))
3517audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
3518    .tag = AUDIO_EFFECT_LIBRARY_TAG,
3519    .version = EFFECT_LIBRARY_API_VERSION,
3520    .name = "Effect Bundle Library",
3521    .implementor = "NXP Software Ltd.",
3522    .create_effect = android::EffectCreate,
3523    .release_effect = android::EffectRelease,
3524    .get_descriptor = android::EffectGetDescriptor,
3525};
3526
3527}
3528