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      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 "Reverb"
     19 #define ARRAY_SIZE(array) (sizeof array / sizeof array[0])
     20 //#define LOG_NDEBUG 0
     21 
     22 #include <cutils/log.h>
     23 #include <assert.h>
     24 #include <stdlib.h>
     25 #include <string.h>
     26 #include <new>
     27 #include "EffectReverb.h"
     28 // from Reverb/lib
     29 #include "LVREV.h"
     30 
     31 // effect_handle_t interface implementation for reverb
     32 extern "C" const struct effect_interface_s gReverbInterface;
     33 
     34 #define LVM_ERROR_CHECK(LvmStatus, callingFunc, calledFunc){\
     35         if (LvmStatus == LVREV_NULLADDRESS){\
     36             ALOGV("\tLVREV_ERROR : Parameter error - "\
     37                     "null pointer returned by %s in %s\n\n\n\n", callingFunc, calledFunc);\
     38         }\
     39         if (LvmStatus == LVREV_INVALIDNUMSAMPLES){\
     40             ALOGV("\tLVREV_ERROR : Parameter error - "\
     41                     "bad number of samples returned by %s in %s\n\n\n\n", callingFunc, calledFunc);\
     42         }\
     43         if (LvmStatus == LVREV_OUTOFRANGE){\
     44             ALOGV("\tLVREV_ERROR : Parameter error - "\
     45                     "out of range returned by %s in %s\n", callingFunc, calledFunc);\
     46         }\
     47     }
     48 
     49 // Namespaces
     50 namespace android {
     51 namespace {
     52 
     53 /************************************************************************************/
     54 /*                                                                                  */
     55 /* Preset definitions                                                               */
     56 /*                                                                                  */
     57 /************************************************************************************/
     58 
     59 const static t_reverb_settings sReverbPresets[] = {
     60         // REVERB_PRESET_NONE: values are unused
     61         {0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
     62         // REVERB_PRESET_SMALLROOM
     63         {-400, -600, 1100, 830, -400, 5, 500, 10, 1000, 1000},
     64         // REVERB_PRESET_MEDIUMROOM
     65         {-400, -600, 1300, 830, -1000, 20, -200, 20, 1000, 1000},
     66         // REVERB_PRESET_LARGEROOM
     67         {-400, -600, 1500, 830, -1600, 5, -1000, 40, 1000, 1000},
     68         // REVERB_PRESET_MEDIUMHALL
     69         {-400, -600, 1800, 700, -1300, 15, -800, 30, 1000, 1000},
     70         // REVERB_PRESET_LARGEHALL
     71         {-400, -600, 1800, 700, -2000, 30, -1400, 60, 1000, 1000},
     72         // REVERB_PRESET_PLATE
     73         {-400, -200, 1300, 900, 0, 2, 0, 10, 1000, 750},
     74 };
     75 
     76 
     77 // NXP SW auxiliary environmental reverb
     78 const effect_descriptor_t gAuxEnvReverbDescriptor = {
     79         { 0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, { 0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e } },
     80         { 0x4a387fc0, 0x8ab3, 0x11df, 0x8bad, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } },
     81         EFFECT_CONTROL_API_VERSION,
     82         EFFECT_FLAG_TYPE_AUXILIARY,
     83         LVREV_CUP_LOAD_ARM9E,
     84         LVREV_MEM_USAGE,
     85         "Auxiliary Environmental Reverb",
     86         "NXP Software Ltd.",
     87 };
     88 
     89 // NXP SW insert environmental reverb
     90 static const effect_descriptor_t gInsertEnvReverbDescriptor = {
     91         {0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}},
     92         {0xc7a511a0, 0xa3bb, 0x11df, 0x860e, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
     93         EFFECT_CONTROL_API_VERSION,
     94         EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_VOLUME_CTRL,
     95         LVREV_CUP_LOAD_ARM9E,
     96         LVREV_MEM_USAGE,
     97         "Insert Environmental Reverb",
     98         "NXP Software Ltd.",
     99 };
    100 
    101 // NXP SW auxiliary preset reverb
    102 static const effect_descriptor_t gAuxPresetReverbDescriptor = {
    103         {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
    104         {0xf29a1400, 0xa3bb, 0x11df, 0x8ddc, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
    105         EFFECT_CONTROL_API_VERSION,
    106         EFFECT_FLAG_TYPE_AUXILIARY,
    107         LVREV_CUP_LOAD_ARM9E,
    108         LVREV_MEM_USAGE,
    109         "Auxiliary Preset Reverb",
    110         "NXP Software Ltd.",
    111 };
    112 
    113 // NXP SW insert preset reverb
    114 static const effect_descriptor_t gInsertPresetReverbDescriptor = {
    115         {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
    116         {0x172cdf00, 0xa3bc, 0x11df, 0xa72f, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
    117         EFFECT_CONTROL_API_VERSION,
    118         EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST | EFFECT_FLAG_VOLUME_CTRL,
    119         LVREV_CUP_LOAD_ARM9E,
    120         LVREV_MEM_USAGE,
    121         "Insert Preset Reverb",
    122         "NXP Software Ltd.",
    123 };
    124 
    125 // gDescriptors contains pointers to all defined effect descriptor in this library
    126 static const effect_descriptor_t * const gDescriptors[] = {
    127         &gAuxEnvReverbDescriptor,
    128         &gInsertEnvReverbDescriptor,
    129         &gAuxPresetReverbDescriptor,
    130         &gInsertPresetReverbDescriptor
    131 };
    132 
    133 struct ReverbContext{
    134     const struct effect_interface_s *itfe;
    135     effect_config_t                 config;
    136     LVREV_Handle_t                  hInstance;
    137     int16_t                         SavedRoomLevel;
    138     int16_t                         SavedHfLevel;
    139     int16_t                         SavedDecayTime;
    140     int16_t                         SavedDecayHfRatio;
    141     int16_t                         SavedReverbLevel;
    142     int16_t                         SavedDiffusion;
    143     int16_t                         SavedDensity;
    144     bool                            bEnabled;
    145     #ifdef LVM_PCM
    146     FILE                            *PcmInPtr;
    147     FILE                            *PcmOutPtr;
    148     #endif
    149     LVM_Fs_en                       SampleRate;
    150     LVM_INT32                       *InFrames32;
    151     LVM_INT32                       *OutFrames32;
    152     bool                            auxiliary;
    153     bool                            preset;
    154     uint16_t                        curPreset;
    155     uint16_t                        nextPreset;
    156     int                             SamplesToExitCount;
    157     LVM_INT16                       leftVolume;
    158     LVM_INT16                       rightVolume;
    159     LVM_INT16                       prevLeftVolume;
    160     LVM_INT16                       prevRightVolume;
    161     int                             volumeMode;
    162 };
    163 
    164 enum {
    165     REVERB_VOLUME_OFF,
    166     REVERB_VOLUME_FLAT,
    167     REVERB_VOLUME_RAMP,
    168 };
    169 
    170 #define REVERB_DEFAULT_PRESET REVERB_PRESET_NONE
    171 
    172 
    173 #define REVERB_SEND_LEVEL   (0x0C00) // 0.75 in 4.12 format
    174 #define REVERB_UNIT_VOLUME  (0x1000) // 1.0 in 4.12 format
    175 
    176 //--- local function prototypes
    177 int  Reverb_init            (ReverbContext *pContext);
    178 void Reverb_free            (ReverbContext *pContext);
    179 int  Reverb_setConfig       (ReverbContext *pContext, effect_config_t *pConfig);
    180 void Reverb_getConfig       (ReverbContext *pContext, effect_config_t *pConfig);
    181 int  Reverb_setParameter    (ReverbContext *pContext, void *pParam, void *pValue);
    182 int  Reverb_getParameter    (ReverbContext *pContext,
    183                              void          *pParam,
    184                              size_t        *pValueSize,
    185                              void          *pValue);
    186 int Reverb_LoadPreset       (ReverbContext   *pContext);
    187 
    188 /* Effect Library Interface Implementation */
    189 
    190 extern "C" int EffectCreate(const effect_uuid_t *uuid,
    191                             int32_t             sessionId,
    192                             int32_t             ioId,
    193                             effect_handle_t  *pHandle){
    194     int ret;
    195     int i;
    196     int length = sizeof(gDescriptors) / sizeof(const effect_descriptor_t *);
    197     const effect_descriptor_t *desc;
    198 
    199     ALOGV("\t\nEffectCreate start");
    200 
    201     if (pHandle == NULL || uuid == NULL){
    202         ALOGV("\tLVM_ERROR : EffectCreate() called with NULL pointer");
    203         return -EINVAL;
    204     }
    205 
    206     for (i = 0; i < length; i++) {
    207         desc = gDescriptors[i];
    208         if (memcmp(uuid, &desc->uuid, sizeof(effect_uuid_t))
    209                 == 0) {
    210             ALOGV("\tEffectCreate - UUID matched Reverb type %d, UUID = %x", i, desc->uuid.timeLow);
    211             break;
    212         }
    213     }
    214 
    215     if (i == length) {
    216         return -ENOENT;
    217     }
    218 
    219     ReverbContext *pContext = new ReverbContext;
    220 
    221     pContext->itfe      = &gReverbInterface;
    222     pContext->hInstance = NULL;
    223 
    224     pContext->auxiliary = false;
    225     if ((desc->flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY){
    226         pContext->auxiliary = true;
    227         ALOGV("\tEffectCreate - AUX");
    228     }else{
    229         ALOGV("\tEffectCreate - INS");
    230     }
    231 
    232     pContext->preset = false;
    233     if (memcmp(&desc->type, SL_IID_PRESETREVERB, sizeof(effect_uuid_t)) == 0) {
    234         pContext->preset = true;
    235         // force reloading preset at first call to process()
    236         pContext->curPreset = REVERB_PRESET_LAST + 1;
    237         pContext->nextPreset = REVERB_DEFAULT_PRESET;
    238         ALOGV("\tEffectCreate - PRESET");
    239     }else{
    240         ALOGV("\tEffectCreate - ENVIRONMENTAL");
    241     }
    242 
    243     ALOGV("\tEffectCreate - Calling Reverb_init");
    244     ret = Reverb_init(pContext);
    245 
    246     if (ret < 0){
    247         ALOGV("\tLVM_ERROR : EffectCreate() init failed");
    248         delete pContext;
    249         return ret;
    250     }
    251 
    252     *pHandle = (effect_handle_t)pContext;
    253 
    254     #ifdef LVM_PCM
    255     pContext->PcmInPtr = NULL;
    256     pContext->PcmOutPtr = NULL;
    257 
    258     pContext->PcmInPtr  = fopen("/data/tmp/reverb_pcm_in.pcm", "w");
    259     pContext->PcmOutPtr = fopen("/data/tmp/reverb_pcm_out.pcm", "w");
    260 
    261     if((pContext->PcmInPtr  == NULL)||
    262        (pContext->PcmOutPtr == NULL)){
    263        return -EINVAL;
    264     }
    265     #endif
    266 
    267 
    268     // Allocate memory for reverb process (*2 is for STEREO)
    269     pContext->InFrames32  = (LVM_INT32 *)malloc(LVREV_MAX_FRAME_SIZE * sizeof(LVM_INT32) * 2);
    270     pContext->OutFrames32 = (LVM_INT32 *)malloc(LVREV_MAX_FRAME_SIZE * sizeof(LVM_INT32) * 2);
    271 
    272     ALOGV("\tEffectCreate %p, size %d", pContext, sizeof(ReverbContext));
    273     ALOGV("\tEffectCreate end\n");
    274     return 0;
    275 } /* end EffectCreate */
    276 
    277 extern "C" int EffectRelease(effect_handle_t handle){
    278     ReverbContext * pContext = (ReverbContext *)handle;
    279 
    280     ALOGV("\tEffectRelease %p", handle);
    281     if (pContext == NULL){
    282         ALOGV("\tLVM_ERROR : EffectRelease called with NULL pointer");
    283         return -EINVAL;
    284     }
    285 
    286     #ifdef LVM_PCM
    287     fclose(pContext->PcmInPtr);
    288     fclose(pContext->PcmOutPtr);
    289     #endif
    290     free(pContext->InFrames32);
    291     free(pContext->OutFrames32);
    292     Reverb_free(pContext);
    293     delete pContext;
    294     return 0;
    295 } /* end EffectRelease */
    296 
    297 extern "C" int EffectGetDescriptor(const effect_uuid_t *uuid,
    298                                    effect_descriptor_t *pDescriptor) {
    299     int i;
    300     int length = sizeof(gDescriptors) / sizeof(const effect_descriptor_t *);
    301 
    302     if (pDescriptor == NULL || uuid == NULL){
    303         ALOGV("EffectGetDescriptor() called with NULL pointer");
    304         return -EINVAL;
    305     }
    306 
    307     for (i = 0; i < length; i++) {
    308         if (memcmp(uuid, &gDescriptors[i]->uuid, sizeof(effect_uuid_t)) == 0) {
    309             *pDescriptor = *gDescriptors[i];
    310             ALOGV("EffectGetDescriptor - UUID matched Reverb type %d, UUID = %x",
    311                  i, gDescriptors[i]->uuid.timeLow);
    312             return 0;
    313         }
    314     }
    315 
    316     return -EINVAL;
    317 } /* end EffectGetDescriptor */
    318 
    319 /* local functions */
    320 #define CHECK_ARG(cond) {                     \
    321     if (!(cond)) {                            \
    322         ALOGV("\tLVM_ERROR : Invalid argument: "#cond);      \
    323         return -EINVAL;                       \
    324     }                                         \
    325 }
    326 
    327 //----------------------------------------------------------------------------
    328 // MonoTo2I_32()
    329 //----------------------------------------------------------------------------
    330 // Purpose:
    331 //  Convert MONO to STEREO
    332 //
    333 //----------------------------------------------------------------------------
    334 
    335 void MonoTo2I_32( const LVM_INT32  *src,
    336                         LVM_INT32  *dst,
    337                         LVM_INT16 n)
    338 {
    339    LVM_INT16 ii;
    340    src += (n-1);
    341    dst += ((n*2)-1);
    342 
    343    for (ii = n; ii != 0; ii--)
    344    {
    345        *dst = *src;
    346        dst--;
    347 
    348        *dst = *src;
    349        dst--;
    350        src--;
    351    }
    352 
    353    return;
    354 }
    355 
    356 //----------------------------------------------------------------------------
    357 // From2iToMono_32()
    358 //----------------------------------------------------------------------------
    359 // Purpose:
    360 //  Convert STEREO to MONO
    361 //
    362 //----------------------------------------------------------------------------
    363 
    364 void From2iToMono_32( const LVM_INT32 *src,
    365                             LVM_INT32 *dst,
    366                             LVM_INT16 n)
    367 {
    368    LVM_INT16 ii;
    369    LVM_INT32 Temp;
    370 
    371    for (ii = n; ii != 0; ii--)
    372    {
    373        Temp = (*src>>1);
    374        src++;
    375 
    376        Temp +=(*src>>1);
    377        src++;
    378 
    379        *dst = Temp;
    380        dst++;
    381    }
    382 
    383    return;
    384 }
    385 
    386 static inline int16_t clamp16(int32_t sample)
    387 {
    388     if ((sample>>15) ^ (sample>>31))
    389         sample = 0x7FFF ^ (sample>>31);
    390     return sample;
    391 }
    392 
    393 //----------------------------------------------------------------------------
    394 // process()
    395 //----------------------------------------------------------------------------
    396 // Purpose:
    397 // Apply the Reverb
    398 //
    399 // Inputs:
    400 //  pIn:        pointer to stereo/mono 16 bit input data
    401 //  pOut:       pointer to stereo 16 bit output data
    402 //  frameCount: Frames to process
    403 //  pContext:   effect engine context
    404 //  strength    strength to be applied
    405 //
    406 //  Outputs:
    407 //  pOut:       pointer to updated stereo 16 bit output data
    408 //
    409 //----------------------------------------------------------------------------
    410 
    411 int process( LVM_INT16     *pIn,
    412              LVM_INT16     *pOut,
    413              int           frameCount,
    414              ReverbContext *pContext){
    415 
    416     LVM_INT16               samplesPerFrame = 1;
    417     LVREV_ReturnStatus_en   LvmStatus = LVREV_SUCCESS;              /* Function call status */
    418     LVM_INT16 *OutFrames16;
    419 
    420 
    421     // Check that the input is either mono or stereo
    422     if (pContext->config.inputCfg.channels == AUDIO_CHANNEL_OUT_STEREO) {
    423         samplesPerFrame = 2;
    424     } else if (pContext->config.inputCfg.channels != AUDIO_CHANNEL_OUT_MONO) {
    425         ALOGV("\tLVREV_ERROR : process invalid PCM format");
    426         return -EINVAL;
    427     }
    428 
    429     OutFrames16 = (LVM_INT16 *)pContext->OutFrames32;
    430 
    431     // Check for NULL pointers
    432     if((pContext->InFrames32 == NULL)||(pContext->OutFrames32 == NULL)){
    433         ALOGV("\tLVREV_ERROR : process failed to allocate memory for temporary buffers ");
    434         return -EINVAL;
    435     }
    436 
    437     #ifdef LVM_PCM
    438     fwrite(pIn, frameCount*sizeof(LVM_INT16)*samplesPerFrame, 1, pContext->PcmInPtr);
    439     fflush(pContext->PcmInPtr);
    440     #endif
    441 
    442     if (pContext->preset && pContext->nextPreset != pContext->curPreset) {
    443         Reverb_LoadPreset(pContext);
    444     }
    445 
    446 
    447 
    448     // Convert to Input 32 bits
    449     if (pContext->auxiliary) {
    450         for(int i=0; i<frameCount*samplesPerFrame; i++){
    451             pContext->InFrames32[i] = (LVM_INT32)pIn[i]<<8;
    452         }
    453     } else {
    454         // insert reverb input is always stereo
    455         for (int i = 0; i < frameCount; i++) {
    456             pContext->InFrames32[2*i] = (pIn[2*i] * REVERB_SEND_LEVEL) >> 4; // <<8 + >>12
    457             pContext->InFrames32[2*i+1] = (pIn[2*i+1] * REVERB_SEND_LEVEL) >> 4; // <<8 + >>12
    458         }
    459     }
    460 
    461     if (pContext->preset && pContext->curPreset == REVERB_PRESET_NONE) {
    462         memset(pContext->OutFrames32, 0, frameCount * sizeof(LVM_INT32) * 2); //always stereo here
    463     } else {
    464         if(pContext->bEnabled == LVM_FALSE && pContext->SamplesToExitCount > 0) {
    465             memset(pContext->InFrames32,0,frameCount * sizeof(LVM_INT32) * samplesPerFrame);
    466             ALOGV("\tZeroing %d samples per frame at the end of call", samplesPerFrame);
    467         }
    468 
    469         /* Process the samples, producing a stereo output */
    470         LvmStatus = LVREV_Process(pContext->hInstance,      /* Instance handle */
    471                                   pContext->InFrames32,     /* Input buffer */
    472                                   pContext->OutFrames32,    /* Output buffer */
    473                                   frameCount);              /* Number of samples to read */
    474     }
    475 
    476     LVM_ERROR_CHECK(LvmStatus, "LVREV_Process", "process")
    477     if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
    478 
    479     // Convert to 16 bits
    480     if (pContext->auxiliary) {
    481         for (int i=0; i < frameCount*2; i++) { //always stereo here
    482             OutFrames16[i] = clamp16(pContext->OutFrames32[i]>>8);
    483         }
    484     } else {
    485         for (int i=0; i < frameCount*2; i++) { //always stereo here
    486             OutFrames16[i] = clamp16((pContext->OutFrames32[i]>>8) + (LVM_INT32)pIn[i]);
    487         }
    488 
    489         // apply volume with ramp if needed
    490         if ((pContext->leftVolume != pContext->prevLeftVolume ||
    491                 pContext->rightVolume != pContext->prevRightVolume) &&
    492                 pContext->volumeMode == REVERB_VOLUME_RAMP) {
    493             LVM_INT32 vl = (LVM_INT32)pContext->prevLeftVolume << 16;
    494             LVM_INT32 incl = (((LVM_INT32)pContext->leftVolume << 16) - vl) / frameCount;
    495             LVM_INT32 vr = (LVM_INT32)pContext->prevRightVolume << 16;
    496             LVM_INT32 incr = (((LVM_INT32)pContext->rightVolume << 16) - vr) / frameCount;
    497 
    498             for (int i = 0; i < frameCount; i++) {
    499                 OutFrames16[2*i] =
    500                         clamp16((LVM_INT32)((vl >> 16) * OutFrames16[2*i]) >> 12);
    501                 OutFrames16[2*i+1] =
    502                         clamp16((LVM_INT32)((vr >> 16) * OutFrames16[2*i+1]) >> 12);
    503 
    504                 vl += incl;
    505                 vr += incr;
    506             }
    507 
    508             pContext->prevLeftVolume = pContext->leftVolume;
    509             pContext->prevRightVolume = pContext->rightVolume;
    510         } else if (pContext->volumeMode != REVERB_VOLUME_OFF) {
    511             if (pContext->leftVolume != REVERB_UNIT_VOLUME ||
    512                 pContext->rightVolume != REVERB_UNIT_VOLUME) {
    513                 for (int i = 0; i < frameCount; i++) {
    514                     OutFrames16[2*i] =
    515                             clamp16((LVM_INT32)(pContext->leftVolume * OutFrames16[2*i]) >> 12);
    516                     OutFrames16[2*i+1] =
    517                             clamp16((LVM_INT32)(pContext->rightVolume * OutFrames16[2*i+1]) >> 12);
    518                 }
    519             }
    520             pContext->prevLeftVolume = pContext->leftVolume;
    521             pContext->prevRightVolume = pContext->rightVolume;
    522             pContext->volumeMode = REVERB_VOLUME_RAMP;
    523         }
    524     }
    525 
    526     #ifdef LVM_PCM
    527     fwrite(OutFrames16, frameCount*sizeof(LVM_INT16)*2, 1, pContext->PcmOutPtr);
    528     fflush(pContext->PcmOutPtr);
    529     #endif
    530 
    531     // Accumulate if required
    532     if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE){
    533         //ALOGV("\tBuffer access is ACCUMULATE");
    534         for (int i=0; i<frameCount*2; i++){ //always stereo here
    535             pOut[i] = clamp16((int32_t)pOut[i] + (int32_t)OutFrames16[i]);
    536         }
    537     }else{
    538         //ALOGV("\tBuffer access is WRITE");
    539         memcpy(pOut, OutFrames16, frameCount*sizeof(LVM_INT16)*2);
    540     }
    541 
    542     return 0;
    543 }    /* end process */
    544 
    545 //----------------------------------------------------------------------------
    546 // Reverb_free()
    547 //----------------------------------------------------------------------------
    548 // Purpose: Free all memory associated with the Bundle.
    549 //
    550 // Inputs:
    551 //  pContext:   effect engine context
    552 //
    553 // Outputs:
    554 //
    555 //----------------------------------------------------------------------------
    556 
    557 void Reverb_free(ReverbContext *pContext){
    558 
    559     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;         /* Function call status */
    560     LVREV_ControlParams_st    params;                        /* Control Parameters */
    561     LVREV_MemoryTable_st      MemTab;
    562 
    563     /* Free the algorithm memory */
    564     LvmStatus = LVREV_GetMemoryTable(pContext->hInstance,
    565                                    &MemTab,
    566                                    LVM_NULL);
    567 
    568     LVM_ERROR_CHECK(LvmStatus, "LVM_GetMemoryTable", "Reverb_free")
    569 
    570     for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
    571         if (MemTab.Region[i].Size != 0){
    572             if (MemTab.Region[i].pBaseAddress != NULL){
    573                 ALOGV("\tfree() - START freeing %ld bytes for region %u at %p\n",
    574                         MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
    575 
    576                 free(MemTab.Region[i].pBaseAddress);
    577 
    578                 ALOGV("\tfree() - END   freeing %ld bytes for region %u at %p\n",
    579                         MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
    580             }else{
    581                 ALOGV("\tLVM_ERROR : free() - trying to free with NULL pointer %ld bytes "
    582                         "for region %u at %p ERROR\n",
    583                         MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
    584             }
    585         }
    586     }
    587 }    /* end Reverb_free */
    588 
    589 //----------------------------------------------------------------------------
    590 // Reverb_setConfig()
    591 //----------------------------------------------------------------------------
    592 // Purpose: Set input and output audio configuration.
    593 //
    594 // Inputs:
    595 //  pContext:   effect engine context
    596 //  pConfig:    pointer to effect_config_t structure holding input and output
    597 //      configuration parameters
    598 //
    599 // Outputs:
    600 //
    601 //----------------------------------------------------------------------------
    602 
    603 int Reverb_setConfig(ReverbContext *pContext, effect_config_t *pConfig){
    604     LVM_Fs_en   SampleRate;
    605     //ALOGV("\tReverb_setConfig start");
    606 
    607     CHECK_ARG(pContext != NULL);
    608     CHECK_ARG(pConfig != NULL);
    609 
    610     CHECK_ARG(pConfig->inputCfg.samplingRate == pConfig->outputCfg.samplingRate);
    611     CHECK_ARG(pConfig->inputCfg.format == pConfig->outputCfg.format);
    612     CHECK_ARG((pContext->auxiliary && pConfig->inputCfg.channels == AUDIO_CHANNEL_OUT_MONO) ||
    613               ((!pContext->auxiliary) && pConfig->inputCfg.channels == AUDIO_CHANNEL_OUT_STEREO));
    614     CHECK_ARG(pConfig->outputCfg.channels == AUDIO_CHANNEL_OUT_STEREO);
    615     CHECK_ARG(pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_WRITE
    616               || pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE);
    617     CHECK_ARG(pConfig->inputCfg.format == AUDIO_FORMAT_PCM_16_BIT);
    618 
    619     //ALOGV("\tReverb_setConfig calling memcpy");
    620     pContext->config = *pConfig;
    621 
    622 
    623     switch (pConfig->inputCfg.samplingRate) {
    624     case 8000:
    625         SampleRate = LVM_FS_8000;
    626         break;
    627     case 16000:
    628         SampleRate = LVM_FS_16000;
    629         break;
    630     case 22050:
    631         SampleRate = LVM_FS_22050;
    632         break;
    633     case 32000:
    634         SampleRate = LVM_FS_32000;
    635         break;
    636     case 44100:
    637         SampleRate = LVM_FS_44100;
    638         break;
    639     case 48000:
    640         SampleRate = LVM_FS_48000;
    641         break;
    642     default:
    643         ALOGV("\rReverb_setConfig invalid sampling rate %d", pConfig->inputCfg.samplingRate);
    644         return -EINVAL;
    645     }
    646 
    647     if (pContext->SampleRate != SampleRate) {
    648 
    649         LVREV_ControlParams_st    ActiveParams;
    650         LVREV_ReturnStatus_en     LvmStatus = LVREV_SUCCESS;
    651 
    652         //ALOGV("\tReverb_setConfig change sampling rate to %d", SampleRate);
    653 
    654         /* Get the current settings */
    655         LvmStatus = LVREV_GetControlParameters(pContext->hInstance,
    656                                          &ActiveParams);
    657 
    658         LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "Reverb_setConfig")
    659         if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
    660 
    661         ActiveParams.SampleRate = SampleRate;
    662 
    663         LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
    664 
    665         LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "Reverb_setConfig")
    666         if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
    667         //ALOGV("\tReverb_setConfig Succesfully called LVREV_SetControlParameters\n");
    668         pContext->SampleRate = SampleRate;
    669     }else{
    670         //ALOGV("\tReverb_setConfig keep sampling rate at %d", SampleRate);
    671     }
    672 
    673     //ALOGV("\tReverb_setConfig End");
    674     return 0;
    675 }   /* end Reverb_setConfig */
    676 
    677 //----------------------------------------------------------------------------
    678 // Reverb_getConfig()
    679 //----------------------------------------------------------------------------
    680 // Purpose: Get input and output audio configuration.
    681 //
    682 // Inputs:
    683 //  pContext:   effect engine context
    684 //  pConfig:    pointer to effect_config_t structure holding input and output
    685 //      configuration parameters
    686 //
    687 // Outputs:
    688 //
    689 //----------------------------------------------------------------------------
    690 
    691 void Reverb_getConfig(ReverbContext *pContext, effect_config_t *pConfig)
    692 {
    693     *pConfig = pContext->config;
    694 }   /* end Reverb_getConfig */
    695 
    696 //----------------------------------------------------------------------------
    697 // Reverb_init()
    698 //----------------------------------------------------------------------------
    699 // Purpose: Initialize engine with default configuration
    700 //
    701 // Inputs:
    702 //  pContext:   effect engine context
    703 //
    704 // Outputs:
    705 //
    706 //----------------------------------------------------------------------------
    707 
    708 int Reverb_init(ReverbContext *pContext){
    709     int status;
    710 
    711     ALOGV("\tReverb_init start");
    712 
    713     CHECK_ARG(pContext != NULL);
    714 
    715     if (pContext->hInstance != NULL){
    716         Reverb_free(pContext);
    717     }
    718 
    719     pContext->config.inputCfg.accessMode                    = EFFECT_BUFFER_ACCESS_READ;
    720     if (pContext->auxiliary) {
    721         pContext->config.inputCfg.channels                  = AUDIO_CHANNEL_OUT_MONO;
    722     } else {
    723         pContext->config.inputCfg.channels                  = AUDIO_CHANNEL_OUT_STEREO;
    724     }
    725 
    726     pContext->config.inputCfg.format                        = AUDIO_FORMAT_PCM_16_BIT;
    727     pContext->config.inputCfg.samplingRate                  = 44100;
    728     pContext->config.inputCfg.bufferProvider.getBuffer      = NULL;
    729     pContext->config.inputCfg.bufferProvider.releaseBuffer  = NULL;
    730     pContext->config.inputCfg.bufferProvider.cookie         = NULL;
    731     pContext->config.inputCfg.mask                          = EFFECT_CONFIG_ALL;
    732     pContext->config.outputCfg.accessMode                   = EFFECT_BUFFER_ACCESS_ACCUMULATE;
    733     pContext->config.outputCfg.channels                     = AUDIO_CHANNEL_OUT_STEREO;
    734     pContext->config.outputCfg.format                       = AUDIO_FORMAT_PCM_16_BIT;
    735     pContext->config.outputCfg.samplingRate                 = 44100;
    736     pContext->config.outputCfg.bufferProvider.getBuffer     = NULL;
    737     pContext->config.outputCfg.bufferProvider.releaseBuffer = NULL;
    738     pContext->config.outputCfg.bufferProvider.cookie        = NULL;
    739     pContext->config.outputCfg.mask                         = EFFECT_CONFIG_ALL;
    740 
    741     pContext->leftVolume = REVERB_UNIT_VOLUME;
    742     pContext->rightVolume = REVERB_UNIT_VOLUME;
    743     pContext->prevLeftVolume = REVERB_UNIT_VOLUME;
    744     pContext->prevRightVolume = REVERB_UNIT_VOLUME;
    745     pContext->volumeMode = REVERB_VOLUME_FLAT;
    746 
    747     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;        /* Function call status */
    748     LVREV_ControlParams_st    params;                         /* Control Parameters */
    749     LVREV_InstanceParams_st   InstParams;                     /* Instance parameters */
    750     LVREV_MemoryTable_st      MemTab;                         /* Memory allocation table */
    751     bool                      bMallocFailure = LVM_FALSE;
    752 
    753     /* Set the capabilities */
    754     InstParams.MaxBlockSize  = MAX_CALL_SIZE;
    755     InstParams.SourceFormat  = LVM_STEREO;          // Max format, could be mono during process
    756     InstParams.NumDelays     = LVREV_DELAYLINES_4;
    757 
    758     /* Allocate memory, forcing alignment */
    759     LvmStatus = LVREV_GetMemoryTable(LVM_NULL,
    760                                   &MemTab,
    761                                   &InstParams);
    762 
    763     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetMemoryTable", "Reverb_init")
    764     if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
    765 
    766     ALOGV("\tCreateInstance Succesfully called LVM_GetMemoryTable\n");
    767 
    768     /* Allocate memory */
    769     for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
    770         if (MemTab.Region[i].Size != 0){
    771             MemTab.Region[i].pBaseAddress = malloc(MemTab.Region[i].Size);
    772 
    773             if (MemTab.Region[i].pBaseAddress == LVM_NULL){
    774                 ALOGV("\tLVREV_ERROR :Reverb_init CreateInstance Failed to allocate %ld "
    775                         "bytes for region %u\n", MemTab.Region[i].Size, i );
    776                 bMallocFailure = LVM_TRUE;
    777             }else{
    778                 ALOGV("\tReverb_init CreateInstance allocate %ld bytes for region %u at %p\n",
    779                         MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
    780             }
    781         }
    782     }
    783 
    784     /* If one or more of the memory regions failed to allocate, free the regions that were
    785      * succesfully allocated and return with an error
    786      */
    787     if(bMallocFailure == LVM_TRUE){
    788         for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
    789             if (MemTab.Region[i].pBaseAddress == LVM_NULL){
    790                 ALOGV("\tLVM_ERROR :Reverb_init CreateInstance Failed to allocate %ld bytes "
    791                         "for region %u - Not freeing\n", MemTab.Region[i].Size, i );
    792             }else{
    793                 ALOGV("\tLVM_ERROR :Reverb_init CreateInstance Failed: but allocated %ld bytes "
    794                         "for region %u at %p- free\n",
    795                         MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
    796                 free(MemTab.Region[i].pBaseAddress);
    797             }
    798         }
    799         return -EINVAL;
    800     }
    801     ALOGV("\tReverb_init CreateInstance Succesfully malloc'd memory\n");
    802 
    803     /* Initialise */
    804     pContext->hInstance = LVM_NULL;
    805 
    806     /* Init sets the instance handle */
    807     LvmStatus = LVREV_GetInstanceHandle(&pContext->hInstance,
    808                                         &MemTab,
    809                                         &InstParams);
    810 
    811     LVM_ERROR_CHECK(LvmStatus, "LVM_GetInstanceHandle", "Reverb_init")
    812     if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
    813 
    814     ALOGV("\tReverb_init CreateInstance Succesfully called LVM_GetInstanceHandle\n");
    815 
    816     /* Set the initial process parameters */
    817     /* General parameters */
    818     params.OperatingMode  = LVM_MODE_ON;
    819     params.SampleRate     = LVM_FS_44100;
    820     pContext->SampleRate  = LVM_FS_44100;
    821 
    822     if(pContext->config.inputCfg.channels == AUDIO_CHANNEL_OUT_MONO){
    823         params.SourceFormat   = LVM_MONO;
    824     } else {
    825         params.SourceFormat   = LVM_STEREO;
    826     }
    827 
    828     /* Reverb parameters */
    829     params.Level          = 0;
    830     params.LPF            = 23999;
    831     params.HPF            = 50;
    832     params.T60            = 1490;
    833     params.Density        = 100;
    834     params.Damping        = 21;
    835     params.RoomSize       = 100;
    836 
    837     pContext->SamplesToExitCount = (params.T60 * pContext->config.inputCfg.samplingRate)/1000;
    838 
    839     /* Saved strength is used to return the exact strength that was used in the set to the get
    840      * because we map the original strength range of 0:1000 to 1:15, and this will avoid
    841      * quantisation like effect when returning
    842      */
    843     pContext->SavedRoomLevel    = -6000;
    844     pContext->SavedHfLevel      = 0;
    845     pContext->bEnabled          = LVM_FALSE;
    846     pContext->SavedDecayTime    = params.T60;
    847     pContext->SavedDecayHfRatio = params.Damping*20;
    848     pContext->SavedDensity      = params.RoomSize*10;
    849     pContext->SavedDiffusion    = params.Density*10;
    850     pContext->SavedReverbLevel  = -6000;
    851 
    852     /* Activate the initial settings */
    853     LvmStatus = LVREV_SetControlParameters(pContext->hInstance,
    854                                          &params);
    855 
    856     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "Reverb_init")
    857     if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
    858 
    859     ALOGV("\tReverb_init CreateInstance Succesfully called LVREV_SetControlParameters\n");
    860     ALOGV("\tReverb_init End");
    861     return 0;
    862 }   /* end Reverb_init */
    863 
    864 //----------------------------------------------------------------------------
    865 // ReverbConvertLevel()
    866 //----------------------------------------------------------------------------
    867 // Purpose:
    868 // Convert level from OpenSL ES format to LVM format
    869 //
    870 // Inputs:
    871 //  level       level to be applied
    872 //
    873 //----------------------------------------------------------------------------
    874 
    875 int16_t ReverbConvertLevel(int16_t level){
    876     static int16_t LevelArray[101] =
    877     {
    878        -12000, -4000,  -3398,  -3046,  -2796,  -2603,  -2444,  -2310,  -2194,  -2092,
    879        -2000,  -1918,  -1842,  -1773,  -1708,  -1648,  -1592,  -1540,  -1490,  -1443,
    880        -1398,  -1356,  -1316,  -1277,  -1240,  -1205,  -1171,  -1138,  -1106,  -1076,
    881        -1046,  -1018,  -990,   -963,   -938,   -912,   -888,   -864,   -841,   -818,
    882        -796,   -775,   -754,   -734,   -714,   -694,   -675,   -656,   -638,   -620,
    883        -603,   -585,   -568,   -552,   -536,   -520,   -504,   -489,   -474,   -459,
    884        -444,   -430,   -416,   -402,   -388,   -375,   -361,   -348,   -335,   -323,
    885        -310,   -298,   -286,   -274,   -262,   -250,   -239,   -228,   -216,   -205,
    886        -194,   -184,   -173,   -162,   -152,   -142,   -132,   -121,   -112,   -102,
    887        -92,    -82,    -73,    -64,    -54,    -45,    -36,    -27,    -18,    -9,
    888        0
    889     };
    890     int16_t i;
    891 
    892     for(i = 0; i < 101; i++)
    893     {
    894        if(level <= LevelArray[i])
    895            break;
    896     }
    897     return i;
    898 }
    899 
    900 //----------------------------------------------------------------------------
    901 // ReverbConvertHFLevel()
    902 //----------------------------------------------------------------------------
    903 // Purpose:
    904 // Convert level from OpenSL ES format to LVM format
    905 //
    906 // Inputs:
    907 //  level       level to be applied
    908 //
    909 //----------------------------------------------------------------------------
    910 
    911 int16_t ReverbConvertHfLevel(int16_t Hflevel){
    912     int16_t i;
    913 
    914     static LPFPair_t LPFArray[97] =
    915     {   // Limit range to 50 for LVREV parameter range
    916         {-10000, 50}, { -5000, 50 }, { -4000, 50},  { -3000, 158}, { -2000, 502},
    917         {-1000, 1666},{ -900, 1897}, { -800, 2169}, { -700, 2496}, { -600, 2895},
    918         {-500, 3400}, { -400, 4066}, { -300, 5011}, { -200, 6537}, { -100,  9826},
    919         {-99, 9881 }, { -98, 9937 }, { -97, 9994 }, { -96, 10052}, { -95, 10111},
    920         {-94, 10171}, { -93, 10231}, { -92, 10293}, { -91, 10356}, { -90, 10419},
    921         {-89, 10484}, { -88, 10549}, { -87, 10616}, { -86, 10684}, { -85, 10753},
    922         {-84, 10823}, { -83, 10895}, { -82, 10968}, { -81, 11042}, { -80, 11117},
    923         {-79, 11194}, { -78, 11272}, { -77, 11352}, { -76, 11433}, { -75, 11516},
    924         {-74, 11600}, { -73, 11686}, { -72, 11774}, { -71, 11864}, { -70, 11955},
    925         {-69, 12049}, { -68, 12144}, { -67, 12242}, { -66, 12341}, { -65, 12443},
    926         {-64, 12548}, { -63, 12654}, { -62, 12763}, { -61, 12875}, { -60, 12990},
    927         {-59, 13107}, { -58, 13227}, { -57, 13351}, { -56, 13477}, { -55, 13607},
    928         {-54, 13741}, { -53, 13878}, { -52, 14019}, { -51, 14164}, { -50, 14313},
    929         {-49, 14467}, { -48, 14626}, { -47, 14789}, { -46, 14958}, { -45, 15132},
    930         {-44, 15312}, { -43, 15498}, { -42, 15691}, { -41, 15890}, { -40, 16097},
    931         {-39, 16311}, { -38, 16534}, { -37, 16766}, { -36, 17007}, { -35, 17259},
    932         {-34, 17521}, { -33, 17795}, { -32, 18081}, { -31, 18381}, { -30, 18696},
    933         {-29, 19027}, { -28, 19375}, { -27, 19742}, { -26, 20129}, { -25, 20540},
    934         {-24, 20976}, { -23, 21439}, { -22, 21934}, { -21, 22463}, { -20, 23031},
    935         {-19, 23643}, { -18, 23999}
    936     };
    937 
    938     for(i = 0; i < 96; i++)
    939     {
    940         if(Hflevel <= LPFArray[i].Room_HF)
    941             break;
    942     }
    943     return LPFArray[i].LPF;
    944 }
    945 
    946 //----------------------------------------------------------------------------
    947 // ReverbSetRoomHfLevel()
    948 //----------------------------------------------------------------------------
    949 // Purpose:
    950 // Apply the HF level to the Reverb. Must first be converted to LVM format
    951 //
    952 // Inputs:
    953 //  pContext:   effect engine context
    954 //  level       level to be applied
    955 //
    956 //----------------------------------------------------------------------------
    957 
    958 void ReverbSetRoomHfLevel(ReverbContext *pContext, int16_t level){
    959     //ALOGV("\tReverbSetRoomHfLevel start (%d)", level);
    960 
    961     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
    962     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
    963 
    964     /* Get the current settings */
    965     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
    966     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetRoomHfLevel")
    967     //ALOGV("\tReverbSetRoomHfLevel Succesfully returned from LVM_GetControlParameters\n");
    968     //ALOGV("\tReverbSetRoomHfLevel() just Got -> %d\n", ActiveParams.LPF);
    969 
    970     ActiveParams.LPF = ReverbConvertHfLevel(level);
    971 
    972     /* Activate the initial settings */
    973     LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
    974     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetRoomHfLevel")
    975     //ALOGV("\tReverbSetRoomhfLevel() just Set -> %d\n", ActiveParams.LPF);
    976     pContext->SavedHfLevel = level;
    977     //ALOGV("\tReverbSetHfRoomLevel end.. saving %d", pContext->SavedHfLevel);
    978     return;
    979 }
    980 
    981 //----------------------------------------------------------------------------
    982 // ReverbGetRoomHfLevel()
    983 //----------------------------------------------------------------------------
    984 // Purpose:
    985 // Get the level applied to the Revervb. Must first be converted to LVM format
    986 //
    987 // Inputs:
    988 //  pContext:   effect engine context
    989 //
    990 //----------------------------------------------------------------------------
    991 
    992 int16_t ReverbGetRoomHfLevel(ReverbContext *pContext){
    993     int16_t level;
    994     //ALOGV("\tReverbGetRoomHfLevel start, saved level is %d", pContext->SavedHfLevel);
    995 
    996     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
    997     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
    998 
    999     /* Get the current settings */
   1000     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1001     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetRoomHfLevel")
   1002     //ALOGV("\tReverbGetRoomHfLevel Succesfully returned from LVM_GetControlParameters\n");
   1003     //ALOGV("\tReverbGetRoomHfLevel() just Got -> %d\n", ActiveParams.LPF);
   1004 
   1005     level = ReverbConvertHfLevel(pContext->SavedHfLevel);
   1006 
   1007     //ALOGV("\tReverbGetRoomHfLevel() ActiveParams.LPFL %d, pContext->SavedHfLevel: %d, "
   1008     //     "converted level: %d\n", ActiveParams.LPF, pContext->SavedHfLevel, level);
   1009 
   1010     if(ActiveParams.LPF != level){
   1011         ALOGV("\tLVM_ERROR : (ignore at start up) ReverbGetRoomHfLevel() has wrong level -> %d %d\n",
   1012                ActiveParams.Level, level);
   1013     }
   1014 
   1015     //ALOGV("\tReverbGetRoomHfLevel end");
   1016     return pContext->SavedHfLevel;
   1017 }
   1018 
   1019 //----------------------------------------------------------------------------
   1020 // ReverbSetReverbLevel()
   1021 //----------------------------------------------------------------------------
   1022 // Purpose:
   1023 // Apply the level to the Reverb. Must first be converted to LVM format
   1024 //
   1025 // Inputs:
   1026 //  pContext:   effect engine context
   1027 //  level       level to be applied
   1028 //
   1029 //----------------------------------------------------------------------------
   1030 
   1031 void ReverbSetReverbLevel(ReverbContext *pContext, int16_t level){
   1032     //ALOGV("\n\tReverbSetReverbLevel start (%d)", level);
   1033 
   1034     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1035     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1036     LVM_INT32                 CombinedLevel;             // Sum of room and reverb level controls
   1037 
   1038     /* Get the current settings */
   1039     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1040     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetReverbLevel")
   1041     //ALOGV("\tReverbSetReverbLevel Succesfully returned from LVM_GetControlParameters\n");
   1042     //ALOGV("\tReverbSetReverbLevel just Got -> %d\n", ActiveParams.Level);
   1043 
   1044     // needs to subtract max levels for both RoomLevel and ReverbLevel
   1045     CombinedLevel = (level + pContext->SavedRoomLevel)-LVREV_MAX_REVERB_LEVEL;
   1046     //ALOGV("\tReverbSetReverbLevel() CombinedLevel is %d = %d + %d\n",
   1047     //      CombinedLevel, level, pContext->SavedRoomLevel);
   1048 
   1049     ActiveParams.Level = ReverbConvertLevel(CombinedLevel);
   1050 
   1051     //ALOGV("\tReverbSetReverbLevel() Trying to set -> %d\n", ActiveParams.Level);
   1052 
   1053     /* Activate the initial settings */
   1054     LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
   1055     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetReverbLevel")
   1056     //ALOGV("\tReverbSetReverbLevel() just Set -> %d\n", ActiveParams.Level);
   1057 
   1058     pContext->SavedReverbLevel = level;
   1059     //ALOGV("\tReverbSetReverbLevel end pContext->SavedReverbLevel is %d\n\n",
   1060     //     pContext->SavedReverbLevel);
   1061     return;
   1062 }
   1063 
   1064 //----------------------------------------------------------------------------
   1065 // ReverbGetReverbLevel()
   1066 //----------------------------------------------------------------------------
   1067 // Purpose:
   1068 // Get the level applied to the Revervb. Must first be converted to LVM format
   1069 //
   1070 // Inputs:
   1071 //  pContext:   effect engine context
   1072 //
   1073 //----------------------------------------------------------------------------
   1074 
   1075 int16_t ReverbGetReverbLevel(ReverbContext *pContext){
   1076     int16_t level;
   1077     //ALOGV("\tReverbGetReverbLevel start");
   1078 
   1079     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1080     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1081     LVM_INT32                 CombinedLevel;             // Sum of room and reverb level controls
   1082 
   1083     /* Get the current settings */
   1084     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1085     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetReverbLevel")
   1086     //ALOGV("\tReverbGetReverbLevel Succesfully returned from LVM_GetControlParameters\n");
   1087     //ALOGV("\tReverbGetReverbLevel() just Got -> %d\n", ActiveParams.Level);
   1088 
   1089     // needs to subtract max levels for both RoomLevel and ReverbLevel
   1090     CombinedLevel = (pContext->SavedReverbLevel + pContext->SavedRoomLevel)-LVREV_MAX_REVERB_LEVEL;
   1091 
   1092     //ALOGV("\tReverbGetReverbLevel() CombinedLevel is %d = %d + %d\n",
   1093     //CombinedLevel, pContext->SavedReverbLevel, pContext->SavedRoomLevel);
   1094     level = ReverbConvertLevel(CombinedLevel);
   1095 
   1096     //ALOGV("\tReverbGetReverbLevel(): ActiveParams.Level: %d, pContext->SavedReverbLevel: %d, "
   1097     //"pContext->SavedRoomLevel: %d, CombinedLevel: %d, converted level: %d\n",
   1098     //ActiveParams.Level, pContext->SavedReverbLevel,pContext->SavedRoomLevel, CombinedLevel,level);
   1099 
   1100     if(ActiveParams.Level != level){
   1101         ALOGV("\tLVM_ERROR : (ignore at start up) ReverbGetReverbLevel() has wrong level -> %d %d\n",
   1102                 ActiveParams.Level, level);
   1103     }
   1104 
   1105     //ALOGV("\tReverbGetReverbLevel end\n");
   1106 
   1107     return pContext->SavedReverbLevel;
   1108 }
   1109 
   1110 //----------------------------------------------------------------------------
   1111 // ReverbSetRoomLevel()
   1112 //----------------------------------------------------------------------------
   1113 // Purpose:
   1114 // Apply the level to the Reverb. Must first be converted to LVM format
   1115 //
   1116 // Inputs:
   1117 //  pContext:   effect engine context
   1118 //  level       level to be applied
   1119 //
   1120 //----------------------------------------------------------------------------
   1121 
   1122 void ReverbSetRoomLevel(ReverbContext *pContext, int16_t level){
   1123     //ALOGV("\tReverbSetRoomLevel start (%d)", level);
   1124 
   1125     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1126     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1127     LVM_INT32                 CombinedLevel;             // Sum of room and reverb level controls
   1128 
   1129     /* Get the current settings */
   1130     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1131     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetRoomLevel")
   1132     //ALOGV("\tReverbSetRoomLevel Succesfully returned from LVM_GetControlParameters\n");
   1133     //ALOGV("\tReverbSetRoomLevel() just Got -> %d\n", ActiveParams.Level);
   1134 
   1135     // needs to subtract max levels for both RoomLevel and ReverbLevel
   1136     CombinedLevel = (level + pContext->SavedReverbLevel)-LVREV_MAX_REVERB_LEVEL;
   1137     ActiveParams.Level = ReverbConvertLevel(CombinedLevel);
   1138 
   1139     /* Activate the initial settings */
   1140     LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
   1141     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetRoomLevel")
   1142     //ALOGV("\tReverbSetRoomLevel() just Set -> %d\n", ActiveParams.Level);
   1143 
   1144     pContext->SavedRoomLevel = level;
   1145     //ALOGV("\tReverbSetRoomLevel end");
   1146     return;
   1147 }
   1148 
   1149 //----------------------------------------------------------------------------
   1150 // ReverbGetRoomLevel()
   1151 //----------------------------------------------------------------------------
   1152 // Purpose:
   1153 // Get the level applied to the Revervb. Must first be converted to LVM format
   1154 //
   1155 // Inputs:
   1156 //  pContext:   effect engine context
   1157 //
   1158 //----------------------------------------------------------------------------
   1159 
   1160 int16_t ReverbGetRoomLevel(ReverbContext *pContext){
   1161     int16_t level;
   1162     //ALOGV("\tReverbGetRoomLevel start");
   1163 
   1164     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1165     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1166     LVM_INT32                 CombinedLevel;             // Sum of room and reverb level controls
   1167 
   1168     /* Get the current settings */
   1169     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1170     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetRoomLevel")
   1171     //ALOGV("\tReverbGetRoomLevel Succesfully returned from LVM_GetControlParameters\n");
   1172     //ALOGV("\tReverbGetRoomLevel() just Got -> %d\n", ActiveParams.Level);
   1173 
   1174     // needs to subtract max levels for both RoomLevel and ReverbLevel
   1175     CombinedLevel = (pContext->SavedRoomLevel + pContext->SavedReverbLevel-LVREV_MAX_REVERB_LEVEL);
   1176     level = ReverbConvertLevel(CombinedLevel);
   1177 
   1178     //ALOGV("\tReverbGetRoomLevel, Level = %d, pContext->SavedRoomLevel = %d, "
   1179     //     "pContext->SavedReverbLevel = %d, CombinedLevel = %d, level = %d",
   1180     //     ActiveParams.Level, pContext->SavedRoomLevel,
   1181     //     pContext->SavedReverbLevel, CombinedLevel, level);
   1182 
   1183     if(ActiveParams.Level != level){
   1184         ALOGV("\tLVM_ERROR : (ignore at start up) ReverbGetRoomLevel() has wrong level -> %d %d\n",
   1185               ActiveParams.Level, level);
   1186     }
   1187 
   1188     //ALOGV("\tReverbGetRoomLevel end");
   1189     return pContext->SavedRoomLevel;
   1190 }
   1191 
   1192 //----------------------------------------------------------------------------
   1193 // ReverbSetDecayTime()
   1194 //----------------------------------------------------------------------------
   1195 // Purpose:
   1196 // Apply the decay time to the Reverb.
   1197 //
   1198 // Inputs:
   1199 //  pContext:   effect engine context
   1200 //  time        decay to be applied
   1201 //
   1202 //----------------------------------------------------------------------------
   1203 
   1204 void ReverbSetDecayTime(ReverbContext *pContext, uint32_t time){
   1205     //ALOGV("\tReverbSetDecayTime start (%d)", time);
   1206 
   1207     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1208     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1209 
   1210     /* Get the current settings */
   1211     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1212     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDecayTime")
   1213     //ALOGV("\tReverbSetDecayTime Succesfully returned from LVM_GetControlParameters\n");
   1214     //ALOGV("\tReverbSetDecayTime() just Got -> %d\n", ActiveParams.T60);
   1215 
   1216     if (time <= LVREV_MAX_T60) {
   1217         ActiveParams.T60 = (LVM_UINT16)time;
   1218     }
   1219     else {
   1220         ActiveParams.T60 = LVREV_MAX_T60;
   1221     }
   1222 
   1223     /* Activate the initial settings */
   1224     LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
   1225     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDecayTime")
   1226     //ALOGV("\tReverbSetDecayTime() just Set -> %d\n", ActiveParams.T60);
   1227 
   1228     pContext->SamplesToExitCount = (ActiveParams.T60 * pContext->config.inputCfg.samplingRate)/1000;
   1229     //ALOGV("\tReverbSetDecayTime() just Set SamplesToExitCount-> %d\n",pContext->SamplesToExitCount);
   1230     pContext->SavedDecayTime = (int16_t)time;
   1231     //ALOGV("\tReverbSetDecayTime end");
   1232     return;
   1233 }
   1234 
   1235 //----------------------------------------------------------------------------
   1236 // ReverbGetDecayTime()
   1237 //----------------------------------------------------------------------------
   1238 // Purpose:
   1239 // Get the decay time applied to the Revervb.
   1240 //
   1241 // Inputs:
   1242 //  pContext:   effect engine context
   1243 //
   1244 //----------------------------------------------------------------------------
   1245 
   1246 uint32_t ReverbGetDecayTime(ReverbContext *pContext){
   1247     //ALOGV("\tReverbGetDecayTime start");
   1248 
   1249     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1250     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1251 
   1252     /* Get the current settings */
   1253     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1254     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDecayTime")
   1255     //ALOGV("\tReverbGetDecayTime Succesfully returned from LVM_GetControlParameters\n");
   1256     //ALOGV("\tReverbGetDecayTime() just Got -> %d\n", ActiveParams.T60);
   1257 
   1258     if(ActiveParams.T60 != pContext->SavedDecayTime){
   1259         // This will fail if the decay time is set to more than 7000
   1260         ALOGV("\tLVM_ERROR : ReverbGetDecayTime() has wrong level -> %d %d\n",
   1261          ActiveParams.T60, pContext->SavedDecayTime);
   1262     }
   1263 
   1264     //ALOGV("\tReverbGetDecayTime end");
   1265     return (uint32_t)ActiveParams.T60;
   1266 }
   1267 
   1268 //----------------------------------------------------------------------------
   1269 // ReverbSetDecayHfRatio()
   1270 //----------------------------------------------------------------------------
   1271 // Purpose:
   1272 // Apply the HF decay ratio to the Reverb.
   1273 //
   1274 // Inputs:
   1275 //  pContext:   effect engine context
   1276 //  ratio       ratio to be applied
   1277 //
   1278 //----------------------------------------------------------------------------
   1279 
   1280 void ReverbSetDecayHfRatio(ReverbContext *pContext, int16_t ratio){
   1281     //ALOGV("\tReverbSetDecayHfRatioe start (%d)", ratio);
   1282 
   1283     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1284     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;   /* Function call status */
   1285 
   1286     /* Get the current settings */
   1287     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1288     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDecayHfRatio")
   1289     //ALOGV("\tReverbSetDecayHfRatio Succesfully returned from LVM_GetControlParameters\n");
   1290     //ALOGV("\tReverbSetDecayHfRatio() just Got -> %d\n", ActiveParams.Damping);
   1291 
   1292     ActiveParams.Damping = (LVM_INT16)(ratio/20);
   1293 
   1294     /* Activate the initial settings */
   1295     LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
   1296     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDecayHfRatio")
   1297     //ALOGV("\tReverbSetDecayHfRatio() just Set -> %d\n", ActiveParams.Damping);
   1298 
   1299     pContext->SavedDecayHfRatio = ratio;
   1300     //ALOGV("\tReverbSetDecayHfRatio end");
   1301     return;
   1302 }
   1303 
   1304 //----------------------------------------------------------------------------
   1305 // ReverbGetDecayHfRatio()
   1306 //----------------------------------------------------------------------------
   1307 // Purpose:
   1308 // Get the HF decay ratio applied to the Revervb.
   1309 //
   1310 // Inputs:
   1311 //  pContext:   effect engine context
   1312 //
   1313 //----------------------------------------------------------------------------
   1314 
   1315 int32_t ReverbGetDecayHfRatio(ReverbContext *pContext){
   1316     //ALOGV("\tReverbGetDecayHfRatio start");
   1317 
   1318     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1319     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;   /* Function call status */
   1320 
   1321     /* Get the current settings */
   1322     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1323     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDecayHfRatio")
   1324     //ALOGV("\tReverbGetDecayHfRatio Succesfully returned from LVM_GetControlParameters\n");
   1325     //ALOGV("\tReverbGetDecayHfRatio() just Got -> %d\n", ActiveParams.Damping);
   1326 
   1327     if(ActiveParams.Damping != (LVM_INT16)(pContext->SavedDecayHfRatio / 20)){
   1328         ALOGV("\tLVM_ERROR : ReverbGetDecayHfRatio() has wrong level -> %d %d\n",
   1329          ActiveParams.Damping, pContext->SavedDecayHfRatio);
   1330     }
   1331 
   1332     //ALOGV("\tReverbGetDecayHfRatio end");
   1333     return pContext->SavedDecayHfRatio;
   1334 }
   1335 
   1336 //----------------------------------------------------------------------------
   1337 // ReverbSetDiffusion()
   1338 //----------------------------------------------------------------------------
   1339 // Purpose:
   1340 // Apply the diffusion to the Reverb.
   1341 //
   1342 // Inputs:
   1343 //  pContext:   effect engine context
   1344 //  level        decay to be applied
   1345 //
   1346 //----------------------------------------------------------------------------
   1347 
   1348 void ReverbSetDiffusion(ReverbContext *pContext, int16_t level){
   1349     //ALOGV("\tReverbSetDiffusion start (%d)", level);
   1350 
   1351     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1352     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1353 
   1354     /* Get the current settings */
   1355     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1356     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDiffusion")
   1357     //ALOGV("\tReverbSetDiffusion Succesfully returned from LVM_GetControlParameters\n");
   1358     //ALOGV("\tReverbSetDiffusion() just Got -> %d\n", ActiveParams.Density);
   1359 
   1360     ActiveParams.Density = (LVM_INT16)(level/10);
   1361 
   1362     /* Activate the initial settings */
   1363     LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
   1364     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDiffusion")
   1365     //ALOGV("\tReverbSetDiffusion() just Set -> %d\n", ActiveParams.Density);
   1366 
   1367     pContext->SavedDiffusion = level;
   1368     //ALOGV("\tReverbSetDiffusion end");
   1369     return;
   1370 }
   1371 
   1372 //----------------------------------------------------------------------------
   1373 // ReverbGetDiffusion()
   1374 //----------------------------------------------------------------------------
   1375 // Purpose:
   1376 // Get the decay time applied to the Revervb.
   1377 //
   1378 // Inputs:
   1379 //  pContext:   effect engine context
   1380 //
   1381 //----------------------------------------------------------------------------
   1382 
   1383 int32_t ReverbGetDiffusion(ReverbContext *pContext){
   1384     //ALOGV("\tReverbGetDiffusion start");
   1385 
   1386     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1387     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1388     LVM_INT16                 Temp;
   1389 
   1390     /* Get the current settings */
   1391     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1392     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDiffusion")
   1393     //ALOGV("\tReverbGetDiffusion Succesfully returned from LVM_GetControlParameters\n");
   1394     //ALOGV("\tReverbGetDiffusion just Got -> %d\n", ActiveParams.Density);
   1395 
   1396     Temp = (LVM_INT16)(pContext->SavedDiffusion/10);
   1397 
   1398     if(ActiveParams.Density != Temp){
   1399         ALOGV("\tLVM_ERROR : ReverbGetDiffusion invalid value %d %d", Temp, ActiveParams.Density);
   1400     }
   1401 
   1402     //ALOGV("\tReverbGetDiffusion end");
   1403     return pContext->SavedDiffusion;
   1404 }
   1405 
   1406 //----------------------------------------------------------------------------
   1407 // ReverbSetDensity()
   1408 //----------------------------------------------------------------------------
   1409 // Purpose:
   1410 // Apply the density level the Reverb.
   1411 //
   1412 // Inputs:
   1413 //  pContext:   effect engine context
   1414 //  level        decay to be applied
   1415 //
   1416 //----------------------------------------------------------------------------
   1417 
   1418 void ReverbSetDensity(ReverbContext *pContext, int16_t level){
   1419     //ALOGV("\tReverbSetDensity start (%d)", level);
   1420 
   1421     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1422     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1423 
   1424     /* Get the current settings */
   1425     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1426     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDensity")
   1427     //ALOGV("\tReverbSetDensity Succesfully returned from LVM_GetControlParameters\n");
   1428     //ALOGV("\tReverbSetDensity just Got -> %d\n", ActiveParams.RoomSize);
   1429 
   1430     ActiveParams.RoomSize = (LVM_INT16)(((level * 99) / 1000) + 1);
   1431 
   1432     /* Activate the initial settings */
   1433     LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
   1434     LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDensity")
   1435     //ALOGV("\tReverbSetDensity just Set -> %d\n", ActiveParams.RoomSize);
   1436 
   1437     pContext->SavedDensity = level;
   1438     //ALOGV("\tReverbSetDensity end");
   1439     return;
   1440 }
   1441 
   1442 //----------------------------------------------------------------------------
   1443 // ReverbGetDensity()
   1444 //----------------------------------------------------------------------------
   1445 // Purpose:
   1446 // Get the density level applied to the Revervb.
   1447 //
   1448 // Inputs:
   1449 //  pContext:   effect engine context
   1450 //
   1451 //----------------------------------------------------------------------------
   1452 
   1453 int32_t ReverbGetDensity(ReverbContext *pContext){
   1454     //ALOGV("\tReverbGetDensity start");
   1455 
   1456     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1457     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1458     LVM_INT16                 Temp;
   1459     /* Get the current settings */
   1460     LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   1461     LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDensity")
   1462     //ALOGV("\tReverbGetDensity Succesfully returned from LVM_GetControlParameters\n");
   1463     //ALOGV("\tReverbGetDensity() just Got -> %d\n", ActiveParams.RoomSize);
   1464 
   1465 
   1466     Temp = (LVM_INT16)(((pContext->SavedDensity * 99) / 1000) + 1);
   1467 
   1468     if(Temp != ActiveParams.RoomSize){
   1469         ALOGV("\tLVM_ERROR : ReverbGetDensity invalid value %d %d", Temp, ActiveParams.RoomSize);
   1470     }
   1471 
   1472     //ALOGV("\tReverbGetDensity end");
   1473     return pContext->SavedDensity;
   1474 }
   1475 
   1476 //----------------------------------------------------------------------------
   1477 // Reverb_LoadPreset()
   1478 //----------------------------------------------------------------------------
   1479 // Purpose:
   1480 // Load a the next preset
   1481 //
   1482 // Inputs:
   1483 //  pContext         - handle to instance data
   1484 //
   1485 // Outputs:
   1486 //
   1487 // Side Effects:
   1488 //
   1489 //----------------------------------------------------------------------------
   1490 int Reverb_LoadPreset(ReverbContext   *pContext)
   1491 {
   1492     //TODO: add reflections delay, level and reverb delay when early reflections are
   1493     // implemented
   1494     pContext->curPreset = pContext->nextPreset;
   1495 
   1496     if (pContext->curPreset != REVERB_PRESET_NONE) {
   1497         const t_reverb_settings *preset = &sReverbPresets[pContext->curPreset];
   1498         ReverbSetRoomLevel(pContext, preset->roomLevel);
   1499         ReverbSetRoomHfLevel(pContext, preset->roomHFLevel);
   1500         ReverbSetDecayTime(pContext, preset->decayTime);
   1501         ReverbSetDecayHfRatio(pContext, preset->decayHFRatio);
   1502         //reflectionsLevel
   1503         //reflectionsDelay
   1504         ReverbSetReverbLevel(pContext, preset->reverbLevel);
   1505         // reverbDelay
   1506         ReverbSetDiffusion(pContext, preset->diffusion);
   1507         ReverbSetDensity(pContext, preset->density);
   1508     }
   1509 
   1510     return 0;
   1511 }
   1512 
   1513 
   1514 //----------------------------------------------------------------------------
   1515 // Reverb_getParameter()
   1516 //----------------------------------------------------------------------------
   1517 // Purpose:
   1518 // Get a Reverb parameter
   1519 //
   1520 // Inputs:
   1521 //  pContext         - handle to instance data
   1522 //  pParam           - pointer to parameter
   1523 //  pValue           - pointer to variable to hold retrieved value
   1524 //  pValueSize       - pointer to value size: maximum size as input
   1525 //
   1526 // Outputs:
   1527 //  *pValue updated with parameter value
   1528 //  *pValueSize updated with actual value size
   1529 //
   1530 //
   1531 // Side Effects:
   1532 //
   1533 //----------------------------------------------------------------------------
   1534 
   1535 int Reverb_getParameter(ReverbContext *pContext,
   1536                         void          *pParam,
   1537                         size_t        *pValueSize,
   1538                         void          *pValue){
   1539     int status = 0;
   1540     int32_t *pParamTemp = (int32_t *)pParam;
   1541     int32_t param = *pParamTemp++;
   1542     char *name;
   1543     t_reverb_settings *pProperties;
   1544 
   1545     //ALOGV("\tReverb_getParameter start");
   1546     if (pContext->preset) {
   1547         if (param != REVERB_PARAM_PRESET || *pValueSize < sizeof(uint16_t)) {
   1548             return -EINVAL;
   1549         }
   1550 
   1551         *(uint16_t *)pValue = pContext->nextPreset;
   1552         ALOGV("get REVERB_PARAM_PRESET, preset %d", pContext->nextPreset);
   1553         return 0;
   1554     }
   1555 
   1556     switch (param){
   1557         case REVERB_PARAM_ROOM_LEVEL:
   1558             if (*pValueSize != sizeof(int16_t)){
   1559                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize1 %d", *pValueSize);
   1560                 return -EINVAL;
   1561             }
   1562             *pValueSize = sizeof(int16_t);
   1563             break;
   1564         case REVERB_PARAM_ROOM_HF_LEVEL:
   1565             if (*pValueSize != sizeof(int16_t)){
   1566                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize12 %d", *pValueSize);
   1567                 return -EINVAL;
   1568             }
   1569             *pValueSize = sizeof(int16_t);
   1570             break;
   1571         case REVERB_PARAM_DECAY_TIME:
   1572             if (*pValueSize != sizeof(uint32_t)){
   1573                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize3 %d", *pValueSize);
   1574                 return -EINVAL;
   1575             }
   1576             *pValueSize = sizeof(uint32_t);
   1577             break;
   1578         case REVERB_PARAM_DECAY_HF_RATIO:
   1579             if (*pValueSize != sizeof(int16_t)){
   1580                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize4 %d", *pValueSize);
   1581                 return -EINVAL;
   1582             }
   1583             *pValueSize = sizeof(int16_t);
   1584             break;
   1585         case REVERB_PARAM_REFLECTIONS_LEVEL:
   1586             if (*pValueSize != sizeof(int16_t)){
   1587                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize5 %d", *pValueSize);
   1588                 return -EINVAL;
   1589             }
   1590             *pValueSize = sizeof(int16_t);
   1591             break;
   1592         case REVERB_PARAM_REFLECTIONS_DELAY:
   1593             if (*pValueSize != sizeof(uint32_t)){
   1594                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize6 %d", *pValueSize);
   1595                 return -EINVAL;
   1596             }
   1597             *pValueSize = sizeof(uint32_t);
   1598             break;
   1599         case REVERB_PARAM_REVERB_LEVEL:
   1600             if (*pValueSize != sizeof(int16_t)){
   1601                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize7 %d", *pValueSize);
   1602                 return -EINVAL;
   1603             }
   1604             *pValueSize = sizeof(int16_t);
   1605             break;
   1606         case REVERB_PARAM_REVERB_DELAY:
   1607             if (*pValueSize != sizeof(uint32_t)){
   1608                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize8 %d", *pValueSize);
   1609                 return -EINVAL;
   1610             }
   1611             *pValueSize = sizeof(uint32_t);
   1612             break;
   1613         case REVERB_PARAM_DIFFUSION:
   1614             if (*pValueSize != sizeof(int16_t)){
   1615                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize9 %d", *pValueSize);
   1616                 return -EINVAL;
   1617             }
   1618             *pValueSize = sizeof(int16_t);
   1619             break;
   1620         case REVERB_PARAM_DENSITY:
   1621             if (*pValueSize != sizeof(int16_t)){
   1622                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize10 %d", *pValueSize);
   1623                 return -EINVAL;
   1624             }
   1625             *pValueSize = sizeof(int16_t);
   1626             break;
   1627         case REVERB_PARAM_PROPERTIES:
   1628             if (*pValueSize != sizeof(t_reverb_settings)){
   1629                 ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize11 %d", *pValueSize);
   1630                 return -EINVAL;
   1631             }
   1632             *pValueSize = sizeof(t_reverb_settings);
   1633             break;
   1634 
   1635         default:
   1636             ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid param %d", param);
   1637             return -EINVAL;
   1638     }
   1639 
   1640     pProperties = (t_reverb_settings *) pValue;
   1641 
   1642     switch (param){
   1643         case REVERB_PARAM_PROPERTIES:
   1644             pProperties->roomLevel = ReverbGetRoomLevel(pContext);
   1645             pProperties->roomHFLevel = ReverbGetRoomHfLevel(pContext);
   1646             pProperties->decayTime = ReverbGetDecayTime(pContext);
   1647             pProperties->decayHFRatio = ReverbGetDecayHfRatio(pContext);
   1648             pProperties->reflectionsLevel = 0;
   1649             pProperties->reflectionsDelay = 0;
   1650             pProperties->reverbDelay = 0;
   1651             pProperties->reverbLevel = ReverbGetReverbLevel(pContext);
   1652             pProperties->diffusion = ReverbGetDiffusion(pContext);
   1653             pProperties->density = ReverbGetDensity(pContext);
   1654 
   1655             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is roomLevel        %d",
   1656                 pProperties->roomLevel);
   1657             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is roomHFLevel      %d",
   1658                 pProperties->roomHFLevel);
   1659             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is decayTime        %d",
   1660                 pProperties->decayTime);
   1661             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is decayHFRatio     %d",
   1662                 pProperties->decayHFRatio);
   1663             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reflectionsLevel %d",
   1664                 pProperties->reflectionsLevel);
   1665             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reflectionsDelay %d",
   1666                 pProperties->reflectionsDelay);
   1667             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reverbDelay      %d",
   1668                 pProperties->reverbDelay);
   1669             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reverbLevel      %d",
   1670                 pProperties->reverbLevel);
   1671             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is diffusion        %d",
   1672                 pProperties->diffusion);
   1673             ALOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is density          %d",
   1674                 pProperties->density);
   1675             break;
   1676 
   1677         case REVERB_PARAM_ROOM_LEVEL:
   1678             *(int16_t *)pValue = ReverbGetRoomLevel(pContext);
   1679 
   1680             //ALOGV("\tReverb_getParameter() REVERB_PARAM_ROOM_LEVEL Value is %d",
   1681             //        *(int16_t *)pValue);
   1682             break;
   1683         case REVERB_PARAM_ROOM_HF_LEVEL:
   1684             *(int16_t *)pValue = ReverbGetRoomHfLevel(pContext);
   1685 
   1686             //ALOGV("\tReverb_getParameter() REVERB_PARAM_ROOM_HF_LEVEL Value is %d",
   1687             //        *(int16_t *)pValue);
   1688             break;
   1689         case REVERB_PARAM_DECAY_TIME:
   1690             *(uint32_t *)pValue = ReverbGetDecayTime(pContext);
   1691 
   1692             //ALOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_TIME Value is %d",
   1693             //        *(int32_t *)pValue);
   1694             break;
   1695         case REVERB_PARAM_DECAY_HF_RATIO:
   1696             *(int16_t *)pValue = ReverbGetDecayHfRatio(pContext);
   1697 
   1698             //ALOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_HF_RATION Value is %d",
   1699             //        *(int16_t *)pValue);
   1700             break;
   1701         case REVERB_PARAM_REVERB_LEVEL:
   1702              *(int16_t *)pValue = ReverbGetReverbLevel(pContext);
   1703 
   1704             //ALOGV("\tReverb_getParameter() REVERB_PARAM_REVERB_LEVEL Value is %d",
   1705             //        *(int16_t *)pValue);
   1706             break;
   1707         case REVERB_PARAM_DIFFUSION:
   1708             *(int16_t *)pValue = ReverbGetDiffusion(pContext);
   1709 
   1710             //ALOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_DIFFUSION Value is %d",
   1711             //        *(int16_t *)pValue);
   1712             break;
   1713         case REVERB_PARAM_DENSITY:
   1714             *(uint16_t *)pValue = 0;
   1715             *(int16_t *)pValue = ReverbGetDensity(pContext);
   1716             //ALOGV("\tReverb_getParameter() REVERB_PARAM_DENSITY Value is %d",
   1717             //        *(uint32_t *)pValue);
   1718             break;
   1719         case REVERB_PARAM_REFLECTIONS_LEVEL:
   1720             *(uint16_t *)pValue = 0;
   1721         case REVERB_PARAM_REFLECTIONS_DELAY:
   1722             *(uint32_t *)pValue = 0;
   1723         case REVERB_PARAM_REVERB_DELAY:
   1724             *(uint32_t *)pValue = 0;
   1725             break;
   1726 
   1727         default:
   1728             ALOGV("\tLVM_ERROR : Reverb_getParameter() invalid param %d", param);
   1729             status = -EINVAL;
   1730             break;
   1731     }
   1732 
   1733     //ALOGV("\tReverb_getParameter end");
   1734     return status;
   1735 } /* end Reverb_getParameter */
   1736 
   1737 //----------------------------------------------------------------------------
   1738 // Reverb_setParameter()
   1739 //----------------------------------------------------------------------------
   1740 // Purpose:
   1741 // Set a Reverb parameter
   1742 //
   1743 // Inputs:
   1744 //  pContext         - handle to instance data
   1745 //  pParam           - pointer to parameter
   1746 //  pValue           - pointer to value
   1747 //
   1748 // Outputs:
   1749 //
   1750 //----------------------------------------------------------------------------
   1751 
   1752 int Reverb_setParameter (ReverbContext *pContext, void *pParam, void *pValue){
   1753     int status = 0;
   1754     int16_t level;
   1755     int16_t ratio;
   1756     uint32_t time;
   1757     t_reverb_settings *pProperties;
   1758     int32_t *pParamTemp = (int32_t *)pParam;
   1759     int32_t param = *pParamTemp++;
   1760 
   1761     //ALOGV("\tReverb_setParameter start");
   1762     if (pContext->preset) {
   1763         if (param != REVERB_PARAM_PRESET) {
   1764             return -EINVAL;
   1765         }
   1766 
   1767         uint16_t preset = *(uint16_t *)pValue;
   1768         ALOGV("set REVERB_PARAM_PRESET, preset %d", preset);
   1769         if (preset > REVERB_PRESET_LAST) {
   1770             return -EINVAL;
   1771         }
   1772         pContext->nextPreset = preset;
   1773         return 0;
   1774     }
   1775 
   1776     switch (param){
   1777         case REVERB_PARAM_PROPERTIES:
   1778             ALOGV("\tReverb_setParameter() REVERB_PARAM_PROPERTIES");
   1779             pProperties = (t_reverb_settings *) pValue;
   1780             ReverbSetRoomLevel(pContext, pProperties->roomLevel);
   1781             ReverbSetRoomHfLevel(pContext, pProperties->roomHFLevel);
   1782             ReverbSetDecayTime(pContext, pProperties->decayTime);
   1783             ReverbSetDecayHfRatio(pContext, pProperties->decayHFRatio);
   1784             ReverbSetReverbLevel(pContext, pProperties->reverbLevel);
   1785             ReverbSetDiffusion(pContext, pProperties->diffusion);
   1786             ReverbSetDensity(pContext, pProperties->density);
   1787             break;
   1788         case REVERB_PARAM_ROOM_LEVEL:
   1789             level = *(int16_t *)pValue;
   1790             //ALOGV("\tReverb_setParameter() REVERB_PARAM_ROOM_LEVEL value is %d", level);
   1791             //ALOGV("\tReverb_setParameter() Calling ReverbSetRoomLevel");
   1792             ReverbSetRoomLevel(pContext, level);
   1793             //ALOGV("\tReverb_setParameter() Called ReverbSetRoomLevel");
   1794            break;
   1795         case REVERB_PARAM_ROOM_HF_LEVEL:
   1796             level = *(int16_t *)pValue;
   1797             //ALOGV("\tReverb_setParameter() REVERB_PARAM_ROOM_HF_LEVEL value is %d", level);
   1798             //ALOGV("\tReverb_setParameter() Calling ReverbSetRoomHfLevel");
   1799             ReverbSetRoomHfLevel(pContext, level);
   1800             //ALOGV("\tReverb_setParameter() Called ReverbSetRoomHfLevel");
   1801            break;
   1802         case REVERB_PARAM_DECAY_TIME:
   1803             time = *(uint32_t *)pValue;
   1804             //ALOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_TIME value is %d", time);
   1805             //ALOGV("\tReverb_setParameter() Calling ReverbSetDecayTime");
   1806             ReverbSetDecayTime(pContext, time);
   1807             //ALOGV("\tReverb_setParameter() Called ReverbSetDecayTime");
   1808            break;
   1809         case REVERB_PARAM_DECAY_HF_RATIO:
   1810             ratio = *(int16_t *)pValue;
   1811             //ALOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_HF_RATIO value is %d", ratio);
   1812             //ALOGV("\tReverb_setParameter() Calling ReverbSetDecayHfRatio");
   1813             ReverbSetDecayHfRatio(pContext, ratio);
   1814             //ALOGV("\tReverb_setParameter() Called ReverbSetDecayHfRatio");
   1815             break;
   1816          case REVERB_PARAM_REVERB_LEVEL:
   1817             level = *(int16_t *)pValue;
   1818             //ALOGV("\tReverb_setParameter() REVERB_PARAM_REVERB_LEVEL value is %d", level);
   1819             //ALOGV("\tReverb_setParameter() Calling ReverbSetReverbLevel");
   1820             ReverbSetReverbLevel(pContext, level);
   1821             //ALOGV("\tReverb_setParameter() Called ReverbSetReverbLevel");
   1822            break;
   1823         case REVERB_PARAM_DIFFUSION:
   1824             ratio = *(int16_t *)pValue;
   1825             //ALOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DIFFUSION value is %d", ratio);
   1826             //ALOGV("\tReverb_setParameter() Calling ReverbSetDiffusion");
   1827             ReverbSetDiffusion(pContext, ratio);
   1828             //ALOGV("\tReverb_setParameter() Called ReverbSetDiffusion");
   1829             break;
   1830         case REVERB_PARAM_DENSITY:
   1831             ratio = *(int16_t *)pValue;
   1832             //ALOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DENSITY value is %d", ratio);
   1833             //ALOGV("\tReverb_setParameter() Calling ReverbSetDensity");
   1834             ReverbSetDensity(pContext, ratio);
   1835             //ALOGV("\tReverb_setParameter() Called ReverbSetDensity");
   1836             break;
   1837            break;
   1838         case REVERB_PARAM_REFLECTIONS_LEVEL:
   1839         case REVERB_PARAM_REFLECTIONS_DELAY:
   1840         case REVERB_PARAM_REVERB_DELAY:
   1841             break;
   1842         default:
   1843             ALOGV("\tLVM_ERROR : Reverb_setParameter() invalid param %d", param);
   1844             break;
   1845     }
   1846 
   1847     //ALOGV("\tReverb_setParameter end");
   1848     return status;
   1849 } /* end Reverb_setParameter */
   1850 
   1851 } // namespace
   1852 } // namespace
   1853 
   1854 extern "C" {
   1855 /* Effect Control Interface Implementation: Process */
   1856 int Reverb_process(effect_handle_t   self,
   1857                                  audio_buffer_t         *inBuffer,
   1858                                  audio_buffer_t         *outBuffer){
   1859     android::ReverbContext * pContext = (android::ReverbContext *) self;
   1860     int    status = 0;
   1861 
   1862     if (pContext == NULL){
   1863         ALOGV("\tLVM_ERROR : Reverb_process() ERROR pContext == NULL");
   1864         return -EINVAL;
   1865     }
   1866     if (inBuffer == NULL  || inBuffer->raw == NULL  ||
   1867             outBuffer == NULL || outBuffer->raw == NULL ||
   1868             inBuffer->frameCount != outBuffer->frameCount){
   1869         ALOGV("\tLVM_ERROR : Reverb_process() ERROR NULL INPUT POINTER OR FRAME COUNT IS WRONG");
   1870         return -EINVAL;
   1871     }
   1872     //ALOGV("\tReverb_process() Calling process with %d frames", outBuffer->frameCount);
   1873     /* Process all the available frames, block processing is handled internalLY by the LVM bundle */
   1874     status = process(    (LVM_INT16 *)inBuffer->raw,
   1875                          (LVM_INT16 *)outBuffer->raw,
   1876                                       outBuffer->frameCount,
   1877                                       pContext);
   1878 
   1879     if (pContext->bEnabled == LVM_FALSE) {
   1880         if (pContext->SamplesToExitCount > 0) {
   1881             pContext->SamplesToExitCount -= outBuffer->frameCount;
   1882         } else {
   1883             status = -ENODATA;
   1884         }
   1885     }
   1886 
   1887     return status;
   1888 }   /* end Reverb_process */
   1889 
   1890 /* Effect Control Interface Implementation: Command */
   1891 int Reverb_command(effect_handle_t  self,
   1892                               uint32_t            cmdCode,
   1893                               uint32_t            cmdSize,
   1894                               void                *pCmdData,
   1895                               uint32_t            *replySize,
   1896                               void                *pReplyData){
   1897     android::ReverbContext * pContext = (android::ReverbContext *) self;
   1898     int retsize;
   1899     LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
   1900     LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
   1901 
   1902 
   1903     if (pContext == NULL){
   1904         ALOGV("\tLVM_ERROR : Reverb_command ERROR pContext == NULL");
   1905         return -EINVAL;
   1906     }
   1907 
   1908     //ALOGV("\tReverb_command INPUTS are: command %d cmdSize %d",cmdCode, cmdSize);
   1909 
   1910     switch (cmdCode){
   1911         case EFFECT_CMD_INIT:
   1912             //ALOGV("\tReverb_command cmdCode Case: "
   1913             //        "EFFECT_CMD_INIT start");
   1914 
   1915             if (pReplyData == NULL || *replySize != sizeof(int)){
   1916                 ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   1917                         "EFFECT_CMD_INIT: ERROR");
   1918                 return -EINVAL;
   1919             }
   1920             *(int *) pReplyData = 0;
   1921             break;
   1922 
   1923         case EFFECT_CMD_SET_CONFIG:
   1924             //ALOGV("\tReverb_command cmdCode Case: "
   1925             //        "EFFECT_CMD_SET_CONFIG start");
   1926             if (pCmdData == NULL ||
   1927                 cmdSize != sizeof(effect_config_t) ||
   1928                 pReplyData == NULL ||
   1929                 *replySize != sizeof(int)) {
   1930                 ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   1931                         "EFFECT_CMD_SET_CONFIG: ERROR");
   1932                 return -EINVAL;
   1933             }
   1934             *(int *) pReplyData = android::Reverb_setConfig(pContext,
   1935                                                             (effect_config_t *) pCmdData);
   1936             break;
   1937 
   1938         case EFFECT_CMD_GET_CONFIG:
   1939             if (pReplyData == NULL ||
   1940                 *replySize != sizeof(effect_config_t)) {
   1941                 ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   1942                         "EFFECT_CMD_GET_CONFIG: ERROR");
   1943                 return -EINVAL;
   1944             }
   1945 
   1946             android::Reverb_getConfig(pContext, (effect_config_t *)pReplyData);
   1947             break;
   1948 
   1949         case EFFECT_CMD_RESET:
   1950             //ALOGV("\tReverb_command cmdCode Case: "
   1951             //        "EFFECT_CMD_RESET start");
   1952             Reverb_setConfig(pContext, &pContext->config);
   1953             break;
   1954 
   1955         case EFFECT_CMD_GET_PARAM:{
   1956             //ALOGV("\tReverb_command cmdCode Case: "
   1957             //        "EFFECT_CMD_GET_PARAM start");
   1958             if (pCmdData == NULL ||
   1959                     cmdSize < (int)(sizeof(effect_param_t) + sizeof(int32_t)) ||
   1960                     pReplyData == NULL ||
   1961                     *replySize < (int) (sizeof(effect_param_t) + sizeof(int32_t))){
   1962                 ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   1963                         "EFFECT_CMD_GET_PARAM: ERROR");
   1964                 return -EINVAL;
   1965             }
   1966             effect_param_t *p = (effect_param_t *)pCmdData;
   1967 
   1968             memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + p->psize);
   1969 
   1970             p = (effect_param_t *)pReplyData;
   1971 
   1972             int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
   1973 
   1974             p->status = android::Reverb_getParameter(pContext,
   1975                                                          (void *)p->data,
   1976                                                          (size_t  *)&p->vsize,
   1977                                                           p->data + voffset);
   1978 
   1979             *replySize = sizeof(effect_param_t) + voffset + p->vsize;
   1980 
   1981             //ALOGV("\tReverb_command EFFECT_CMD_GET_PARAM "
   1982             //        "*pCmdData %d, *replySize %d, *pReplyData %d ",
   1983             //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
   1984             //        *replySize,
   1985             //        *(int16_t *)((char *)pReplyData + sizeof(effect_param_t) + voffset));
   1986 
   1987         } break;
   1988         case EFFECT_CMD_SET_PARAM:{
   1989 
   1990             //ALOGV("\tReverb_command cmdCode Case: "
   1991             //        "EFFECT_CMD_SET_PARAM start");
   1992             //ALOGV("\tReverb_command EFFECT_CMD_SET_PARAM param %d, *replySize %d, value %d ",
   1993             //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
   1994             //        *replySize,
   1995             //        *(int16_t *)((char *)pCmdData + sizeof(effect_param_t) + sizeof(int32_t)));
   1996 
   1997             if (pCmdData == NULL || (cmdSize < (int)(sizeof(effect_param_t) + sizeof(int32_t)))
   1998                     || pReplyData == NULL || *replySize != (int)sizeof(int32_t)) {
   1999                 ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   2000                         "EFFECT_CMD_SET_PARAM: ERROR");
   2001                 return -EINVAL;
   2002             }
   2003 
   2004             effect_param_t *p = (effect_param_t *) pCmdData;
   2005 
   2006             if (p->psize != sizeof(int32_t)){
   2007                 ALOGV("\t4LVM_ERROR : Reverb_command cmdCode Case: "
   2008                         "EFFECT_CMD_SET_PARAM: ERROR, psize is not sizeof(int32_t)");
   2009                 return -EINVAL;
   2010             }
   2011 
   2012             //ALOGV("\tn5Reverb_command cmdSize is %d\n"
   2013             //        "\tsizeof(effect_param_t) is  %d\n"
   2014             //        "\tp->psize is %d\n"
   2015             //        "\tp->vsize is %d"
   2016             //        "\n",
   2017             //        cmdSize, sizeof(effect_param_t), p->psize, p->vsize );
   2018 
   2019             *(int *)pReplyData = android::Reverb_setParameter(pContext,
   2020                                                              (void *)p->data,
   2021                                                               p->data + p->psize);
   2022         } break;
   2023 
   2024         case EFFECT_CMD_ENABLE:
   2025             //ALOGV("\tReverb_command cmdCode Case: "
   2026             //        "EFFECT_CMD_ENABLE start");
   2027 
   2028             if (pReplyData == NULL || *replySize != sizeof(int)){
   2029                 ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   2030                         "EFFECT_CMD_ENABLE: ERROR");
   2031                 return -EINVAL;
   2032             }
   2033             if(pContext->bEnabled == LVM_TRUE){
   2034                  ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   2035                          "EFFECT_CMD_ENABLE: ERROR-Effect is already enabled");
   2036                  return -EINVAL;
   2037              }
   2038             *(int *)pReplyData = 0;
   2039             pContext->bEnabled = LVM_TRUE;
   2040             /* Get the current settings */
   2041             LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
   2042             LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "EFFECT_CMD_ENABLE")
   2043             pContext->SamplesToExitCount =
   2044                     (ActiveParams.T60 * pContext->config.inputCfg.samplingRate)/1000;
   2045             // force no volume ramp for first buffer processed after enabling the effect
   2046             pContext->volumeMode = android::REVERB_VOLUME_FLAT;
   2047             //ALOGV("\tEFFECT_CMD_ENABLE SamplesToExitCount = %d", pContext->SamplesToExitCount);
   2048             break;
   2049         case EFFECT_CMD_DISABLE:
   2050             //ALOGV("\tReverb_command cmdCode Case: "
   2051             //        "EFFECT_CMD_DISABLE start");
   2052 
   2053             if (pReplyData == NULL || *replySize != sizeof(int)){
   2054                 ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   2055                         "EFFECT_CMD_DISABLE: ERROR");
   2056                 return -EINVAL;
   2057             }
   2058             if(pContext->bEnabled == LVM_FALSE){
   2059                  ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   2060                          "EFFECT_CMD_DISABLE: ERROR-Effect is not yet enabled");
   2061                  return -EINVAL;
   2062              }
   2063             *(int *)pReplyData = 0;
   2064             pContext->bEnabled = LVM_FALSE;
   2065             break;
   2066 
   2067         case EFFECT_CMD_SET_VOLUME:
   2068             if (pCmdData == NULL ||
   2069                 cmdSize != 2 * sizeof(uint32_t)) {
   2070                 ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   2071                         "EFFECT_CMD_SET_VOLUME: ERROR");
   2072                 return -EINVAL;
   2073             }
   2074 
   2075 
   2076             if (pReplyData != NULL) { // we have volume control
   2077                 pContext->leftVolume = (LVM_INT16)((*(uint32_t *)pCmdData + (1 << 11)) >> 12);
   2078                 pContext->rightVolume = (LVM_INT16)((*((uint32_t *)pCmdData + 1) + (1 << 11)) >> 12);
   2079                 *(uint32_t *)pReplyData = (1 << 24);
   2080                 *((uint32_t *)pReplyData + 1) = (1 << 24);
   2081                 if (pContext->volumeMode == android::REVERB_VOLUME_OFF) {
   2082                     // force no volume ramp for first buffer processed after getting volume control
   2083                     pContext->volumeMode = android::REVERB_VOLUME_FLAT;
   2084                 }
   2085             } else { // we don't have volume control
   2086                 pContext->leftVolume = REVERB_UNIT_VOLUME;
   2087                 pContext->rightVolume = REVERB_UNIT_VOLUME;
   2088                 pContext->volumeMode = android::REVERB_VOLUME_OFF;
   2089             }
   2090             ALOGV("EFFECT_CMD_SET_VOLUME left %d, right %d mode %d",
   2091                     pContext->leftVolume, pContext->rightVolume,  pContext->volumeMode);
   2092             break;
   2093 
   2094         case EFFECT_CMD_SET_DEVICE:
   2095         case EFFECT_CMD_SET_AUDIO_MODE:
   2096         //ALOGV("\tReverb_command cmdCode Case: "
   2097         //        "EFFECT_CMD_SET_DEVICE/EFFECT_CMD_SET_VOLUME/EFFECT_CMD_SET_AUDIO_MODE start");
   2098             break;
   2099 
   2100         default:
   2101             ALOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
   2102                     "DEFAULT start %d ERROR",cmdCode);
   2103             return -EINVAL;
   2104     }
   2105 
   2106     //ALOGV("\tReverb_command end\n\n");
   2107     return 0;
   2108 }    /* end Reverb_command */
   2109 
   2110 /* Effect Control Interface Implementation: get_descriptor */
   2111 int Reverb_getDescriptor(effect_handle_t   self,
   2112                                     effect_descriptor_t *pDescriptor)
   2113 {
   2114     android::ReverbContext * pContext = (android::ReverbContext *)self;
   2115     const effect_descriptor_t *desc;
   2116 
   2117     if (pContext == NULL || pDescriptor == NULL) {
   2118         ALOGV("Reverb_getDescriptor() invalid param");
   2119         return -EINVAL;
   2120     }
   2121 
   2122     if (pContext->auxiliary) {
   2123         if (pContext->preset) {
   2124             desc = &android::gAuxPresetReverbDescriptor;
   2125         } else {
   2126             desc = &android::gAuxEnvReverbDescriptor;
   2127         }
   2128     } else {
   2129         if (pContext->preset) {
   2130             desc = &android::gInsertPresetReverbDescriptor;
   2131         } else {
   2132             desc = &android::gInsertEnvReverbDescriptor;
   2133         }
   2134     }
   2135 
   2136     *pDescriptor = *desc;
   2137 
   2138     return 0;
   2139 }   /* end Reverb_getDescriptor */
   2140 
   2141 // effect_handle_t interface implementation for Reverb effect
   2142 const struct effect_interface_s gReverbInterface = {
   2143     Reverb_process,
   2144     Reverb_command,
   2145     Reverb_getDescriptor,
   2146     NULL,
   2147 };    /* end gReverbInterface */
   2148 
   2149 // This is the only symbol that needs to be exported
   2150 __attribute__ ((visibility ("default")))
   2151 audio_effect_library_t AUDIO_EFFECT_LIBRARY_INFO_SYM = {
   2152     tag : AUDIO_EFFECT_LIBRARY_TAG,
   2153     version : EFFECT_LIBRARY_API_VERSION,
   2154     name : "Reverb Library",
   2155     implementor : "NXP Software Ltd.",
   2156     create_effect : android::EffectCreate,
   2157     release_effect : android::EffectRelease,
   2158     get_descriptor : android::EffectGetDescriptor,
   2159 };
   2160 
   2161 }
   2162