EffectReverb.cpp revision 54c38fdcff502ab3502c55dd314a954dd60c0183
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#include <LVREV.h>
29
30// effect_interface_t interface implementation for reverb
31extern "C" const struct effect_interface_s gReverbInterface;
32
33#define LVM_ERROR_CHECK(LvmStatus, callingFunc, calledFunc){\
34        if (LvmStatus == LVREV_NULLADDRESS){\
35            LOGV("\tLVREV_ERROR : Parameter error - "\
36                    "null pointer returned by %s in %s\n\n\n\n", callingFunc, calledFunc);\
37        }\
38        if (LvmStatus == LVREV_INVALIDNUMSAMPLES){\
39            LOGV("\tLVREV_ERROR : Parameter error - "\
40                    "bad number of samples returned by %s in %s\n\n\n\n", callingFunc, calledFunc);\
41        }\
42        if (LvmStatus == LVREV_OUTOFRANGE){\
43            LOGV("\tLVREV_ERROR : Parameter error - "\
44                    "out of range returned by %s in %s\n", callingFunc, calledFunc);\
45        }\
46    }
47
48// Namespaces
49namespace android {
50namespace {
51
52/************************************************************************************/
53/*                                                                                  */
54/* Preset definitions                                                               */
55/*                                                                                  */
56/************************************************************************************/
57
58const static t_reverb_settings sReverbPresets[] = {
59        // REVERB_PRESET_NONE: values are unused
60        {0, 0, 0, 0, 0, 0, 0, 0, 0, 0},
61        // REVERB_PRESET_SMALLROOM
62        {-1000, -600, 1100, 830, -400, 5, 500, 10, 1000, 1000},
63        // REVERB_PRESET_MEDIUMROOM
64        {-1000, -600, 1300, 830, -1000, 20, -200, 20, 1000, 1000},
65        // REVERB_PRESET_LARGEROOM
66        {-1000, -600, 1500, 830, -1600, 5, -1000, 40, 1000, 1000},
67        // REVERB_PRESET_MEDIUMHALL
68        {-1000, -600, 1800, 700, -1300, 15, -800, 30, 1000, 1000},
69        // REVERB_PRESET_LARGEHALL
70        {-1000, -600, 1800, 700, -2000, 30, -1400, 60, 1000, 1000},
71        // REVERB_PRESET_PLATE
72        {-1000, -200, 1300, 900, 0, 2, 0, 10, 1000, 750},
73};
74
75
76// NXP SW auxiliary environmental reverb
77const effect_descriptor_t gAuxEnvReverbDescriptor = {
78        { 0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, { 0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e } },
79        { 0x4a387fc0, 0x8ab3, 0x11df, 0x8bad, { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } },
80        EFFECT_API_VERSION,
81        EFFECT_FLAG_TYPE_AUXILIARY,
82        LVREV_CUP_LOAD_ARM9E,
83        LVREV_MEM_USAGE,
84        "Auxiliary Environmental Reverb",
85        "NXP Software Ltd.",
86};
87
88// NXP SW insert environmental reverb
89static const effect_descriptor_t gInsertEnvReverbDescriptor = {
90        {0xc2e5d5f0, 0x94bd, 0x4763, 0x9cac, {0x4e, 0x23, 0x4d, 0x06, 0x83, 0x9e}},
91        {0xc7a511a0, 0xa3bb, 0x11df, 0x860e, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
92        EFFECT_API_VERSION,
93        EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST,
94        LVREV_CUP_LOAD_ARM9E,
95        LVREV_MEM_USAGE,
96        "Insert Environmental Reverb",
97        "NXP Software Ltd.",
98};
99
100// NXP SW auxiliary preset reverb
101static const effect_descriptor_t gAuxPresetReverbDescriptor = {
102        {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
103        {0xf29a1400, 0xa3bb, 0x11df, 0x8ddc, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
104        EFFECT_API_VERSION,
105        EFFECT_FLAG_TYPE_AUXILIARY,
106        LVREV_CUP_LOAD_ARM9E,
107        LVREV_MEM_USAGE,
108        "Auxiliary Preset Reverb",
109        "NXP Software Ltd.",
110};
111
112// NXP SW insert preset reverb
113static const effect_descriptor_t gInsertPresetReverbDescriptor = {
114        {0x47382d60, 0xddd8, 0x11db, 0xbf3a, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
115        {0x172cdf00, 0xa3bc, 0x11df, 0xa72f, {0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b}},
116        EFFECT_API_VERSION,
117        EFFECT_FLAG_TYPE_INSERT | EFFECT_FLAG_INSERT_FIRST,
118        LVREV_CUP_LOAD_ARM9E,
119        LVREV_MEM_USAGE,
120        "Insert Preset Reverb",
121        "NXP Software Ltd.",
122};
123
124// gDescriptors contains pointers to all defined effect descriptor in this library
125static const effect_descriptor_t * const gDescriptors[] = {
126        &gAuxEnvReverbDescriptor,
127        &gInsertEnvReverbDescriptor,
128        &gAuxPresetReverbDescriptor,
129        &gInsertPresetReverbDescriptor
130};
131
132struct ReverbContext{
133    const struct effect_interface_s *itfe;
134    effect_config_t                 config;
135    LVREV_Handle_t                  hInstance;
136    int16_t                         SavedRoomLevel;
137    int16_t                         SavedHfLevel;
138    int16_t                         SavedDecayTime;
139    int16_t                         SavedDecayHfRatio;
140    int16_t                         SavedReverbLevel;
141    int16_t                         SavedDiffusion;
142    int16_t                         SavedDensity;
143    bool                            bEnabled;
144    #ifdef LVM_PCM
145    FILE                            *PcmInPtr;
146    FILE                            *PcmOutPtr;
147    #endif
148    LVM_Fs_en                       SampleRate;
149    LVM_INT32                       *InFrames32;
150    LVM_INT32                       *OutFrames32;
151    bool                            auxiliary;
152    bool                            preset;
153    uint16_t                        curPreset;
154    uint16_t                        nextPreset;
155    int                             SamplesToExitCount;
156};
157
158#define REVERB_DEFAULT_PRESET REVERB_PRESET_MEDIUMROOM
159
160//--- local function prototypes
161int  Reverb_init            (ReverbContext *pContext);
162void Reverb_free            (ReverbContext *pContext);
163int  Reverb_configure       (ReverbContext *pContext, effect_config_t *pConfig);
164int  Reverb_setParameter    (ReverbContext *pContext, void *pParam, void *pValue);
165int  Reverb_getParameter    (ReverbContext *pContext,
166                             void          *pParam,
167                             size_t        *pValueSize,
168                             void          *pValue);
169int Reverb_LoadPreset       (ReverbContext   *pContext);
170
171/* Effect Library Interface Implementation */
172extern "C" int EffectQueryNumberEffects(uint32_t *pNumEffects){
173    LOGV("\n\tEffectQueryNumberEffects start");
174    *pNumEffects = sizeof(gDescriptors) / sizeof(const effect_descriptor_t *);
175    LOGV("\tEffectQueryNumberEffects creating %d effects", *pNumEffects);
176    LOGV("\tEffectQueryNumberEffects end\n");
177    return 0;
178}     /* end EffectQueryNumberEffects */
179
180extern "C" int EffectQueryEffect(uint32_t index, effect_descriptor_t *pDescriptor){
181    LOGV("\n\tEffectQueryEffect start");
182    LOGV("\tEffectQueryEffect processing index %d", index);
183    if (pDescriptor == NULL){
184        LOGV("\tLVM_ERROR : EffectQueryEffect was passed NULL pointer");
185        return -EINVAL;
186    }
187    if (index >= sizeof(gDescriptors) / sizeof(const effect_descriptor_t *)) {
188        LOGV("\tLVM_ERROR : EffectQueryEffect index out of range %d", index);
189        return -ENOENT;
190    }
191    memcpy(pDescriptor, gDescriptors[index], sizeof(effect_descriptor_t));
192    LOGV("\tEffectQueryEffect end\n");
193    return 0;
194}     /* end EffectQueryEffect */
195
196extern "C" int EffectCreate(effect_uuid_t       *uuid,
197                            int32_t             sessionId,
198                            int32_t             ioId,
199                            effect_interface_t  *pInterface){
200    int ret;
201    int i;
202    int length = sizeof(gDescriptors) / sizeof(const effect_descriptor_t *);
203    const effect_descriptor_t *desc;
204
205    LOGV("\t\nEffectCreate start");
206
207    if (pInterface == NULL || uuid == NULL){
208        LOGV("\tLVM_ERROR : EffectCreate() called with NULL pointer");
209        return -EINVAL;
210    }
211
212    for (i = 0; i < length; i++) {
213        desc = gDescriptors[i];
214        if (memcmp(uuid, &desc->uuid, sizeof(effect_uuid_t))
215                == 0) {
216            LOGV("\tEffectCreate - UUID matched Reverb type %d, UUID = %x", i, desc->uuid.timeLow);
217            break;
218        }
219    }
220
221    if (i == length) {
222        return -ENOENT;
223    }
224
225    ReverbContext *pContext = new ReverbContext;
226
227    pContext->itfe      = &gReverbInterface;
228    pContext->hInstance = NULL;
229
230    pContext->auxiliary = false;
231    if ((desc->flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY){
232        pContext->auxiliary = true;
233        LOGV("\tEffectCreate - AUX");
234    }else{
235        LOGV("\tEffectCreate - INS");
236    }
237
238    pContext->preset = false;
239    if (memcmp(&desc->type, SL_IID_PRESETREVERB, sizeof(effect_uuid_t)) == 0) {
240        pContext->preset = true;
241        // force reloading preset at first call to process()
242        pContext->curPreset = REVERB_PRESET_LAST + 1;
243        pContext->nextPreset = REVERB_DEFAULT_PRESET;
244        LOGV("\tEffectCreate - PRESET");
245    }else{
246        LOGV("\tEffectCreate - ENVIRONMENTAL");
247    }
248
249    LOGV("\tEffectCreate - Calling Reverb_init");
250    ret = Reverb_init(pContext);
251
252    if (ret < 0){
253        LOGV("\tLVM_ERROR : EffectCreate() init failed");
254        delete pContext;
255        return ret;
256    }
257
258    *pInterface = (effect_interface_t)pContext;
259
260    #ifdef LVM_PCM
261    pContext->PcmInPtr = NULL;
262    pContext->PcmOutPtr = NULL;
263
264    pContext->PcmInPtr  = fopen("/data/tmp/reverb_pcm_in.pcm", "w");
265    pContext->PcmOutPtr = fopen("/data/tmp/reverb_pcm_out.pcm", "w");
266
267    if((pContext->PcmInPtr  == NULL)||
268       (pContext->PcmOutPtr == NULL)){
269       return -EINVAL;
270    }
271    #endif
272
273
274    // Allocate memory for reverb process (*2 is for STEREO)
275    pContext->InFrames32  = (LVM_INT32 *)malloc(LVREV_MAX_FRAME_SIZE * sizeof(LVM_INT32) * 2);
276    pContext->OutFrames32 = (LVM_INT32 *)malloc(LVREV_MAX_FRAME_SIZE * sizeof(LVM_INT32) * 2);
277
278    LOGV("\tEffectCreate %p, size %d", pContext, sizeof(ReverbContext));
279    LOGV("\tEffectCreate end\n");
280    return 0;
281} /* end EffectCreate */
282
283extern "C" int EffectRelease(effect_interface_t interface){
284    ReverbContext * pContext = (ReverbContext *)interface;
285
286    LOGV("\tEffectRelease %p", interface);
287    if (pContext == NULL){
288        LOGV("\tLVM_ERROR : EffectRelease called with NULL pointer");
289        return -EINVAL;
290    }
291
292    #ifdef LVM_PCM
293    fclose(pContext->PcmInPtr);
294    fclose(pContext->PcmOutPtr);
295    #endif
296    free(pContext->InFrames32);
297    free(pContext->OutFrames32);
298    Reverb_free(pContext);
299    delete pContext;
300    return 0;
301} /* end EffectRelease */
302
303/* local functions */
304#define CHECK_ARG(cond) {                     \
305    if (!(cond)) {                            \
306        LOGV("\tLVM_ERROR : Invalid argument: "#cond);      \
307        return -EINVAL;                       \
308    }                                         \
309}
310
311//----------------------------------------------------------------------------
312// MonoTo2I_32()
313//----------------------------------------------------------------------------
314// Purpose:
315//  Convert MONO to STEREO
316//
317//----------------------------------------------------------------------------
318
319void MonoTo2I_32( const LVM_INT32  *src,
320                        LVM_INT32  *dst,
321                        LVM_INT16 n)
322{
323   LVM_INT16 ii;
324   src += (n-1);
325   dst += ((n*2)-1);
326
327   for (ii = n; ii != 0; ii--)
328   {
329       *dst = *src;
330       dst--;
331
332       *dst = *src;
333       dst--;
334       src--;
335   }
336
337   return;
338}
339
340//----------------------------------------------------------------------------
341// From2iToMono_32()
342//----------------------------------------------------------------------------
343// Purpose:
344//  Convert STEREO to MONO
345//
346//----------------------------------------------------------------------------
347
348void From2iToMono_32( const LVM_INT32 *src,
349                            LVM_INT32 *dst,
350                            LVM_INT16 n)
351{
352   LVM_INT16 ii;
353   LVM_INT32 Temp;
354
355   for (ii = n; ii != 0; ii--)
356   {
357       Temp = (*src>>1);
358       src++;
359
360       Temp +=(*src>>1);
361       src++;
362
363       *dst = Temp;
364       dst++;
365   }
366
367   return;
368}
369
370static inline int16_t clamp16(int32_t sample)
371{
372    if ((sample>>15) ^ (sample>>31))
373        sample = 0x7FFF ^ (sample>>31);
374    return sample;
375}
376
377//----------------------------------------------------------------------------
378// process()
379//----------------------------------------------------------------------------
380// Purpose:
381// Apply the Reverb
382//
383// Inputs:
384//  pIn:        pointer to stereo/mono 16 bit input data
385//  pOut:       pointer to stereo 16 bit output data
386//  frameCount: Frames to process
387//  pContext:   effect engine context
388//  strength    strength to be applied
389//
390//  Outputs:
391//  pOut:       pointer to updated stereo 16 bit output data
392//
393//----------------------------------------------------------------------------
394
395int process( LVM_INT16     *pIn,
396             LVM_INT16     *pOut,
397             int           frameCount,
398             ReverbContext *pContext){
399
400    LVM_INT16               samplesPerFrame = 1;
401    LVREV_ReturnStatus_en   LvmStatus = LVREV_SUCCESS;              /* Function call status */
402    LVM_INT16 *OutFrames16;
403
404
405    // Check that the input is either mono or stereo
406    if (pContext->config.inputCfg.channels == CHANNEL_STEREO) {
407        samplesPerFrame = 2;
408    } else if (pContext->config.inputCfg.channels != CHANNEL_MONO) {
409        LOGV("\tLVREV_ERROR : process invalid PCM format");
410        return -EINVAL;
411    }
412
413    OutFrames16 = (LVM_INT16 *)pContext->OutFrames32;
414
415    // Check for NULL pointers
416    if((pContext->InFrames32 == NULL)||(pContext->OutFrames32 == NULL)){
417        LOGV("\tLVREV_ERROR : process failed to allocate memory for temporary buffers ");
418        return -EINVAL;
419    }
420
421    #ifdef LVM_PCM
422    fwrite(pIn, frameCount*sizeof(LVM_INT16)*samplesPerFrame, 1, pContext->PcmInPtr);
423    fflush(pContext->PcmInPtr);
424    #endif
425
426    if (pContext->preset && pContext->nextPreset != pContext->curPreset) {
427        Reverb_LoadPreset(pContext);
428    }
429    // Convert to Input 32 bits
430    for(int i=0; i<frameCount*samplesPerFrame; i++){
431        pContext->InFrames32[i] = (LVM_INT32)pIn[i]<<8;
432    }
433
434     // If the input was MONO, convert to STEREO
435    if(pContext->config.inputCfg.channels == CHANNEL_MONO){
436        //LOGV("\tConverting Output from MONO to STEREO");
437        MonoTo2I_32(pContext->InFrames32, pContext->InFrames32, frameCount);
438    }
439
440    //LOGV("\tProcess, frames: %d, InFormat: %d(MONO=%d), OutFormat: %d(STEREO=%d)",
441    //frameCount, pContext->config.inputCfg.channels, CHANNEL_MONO,
442    //pContext->config.outputCfg.channels, CHANNEL_STEREO);
443
444    if (pContext->preset && pContext->curPreset == REVERB_PRESET_NONE) {
445        memset(pContext->OutFrames32, 0, frameCount * sizeof(LVM_INT32) * 2); //always stereo here
446    } else {
447        if(pContext->bEnabled == LVM_FALSE && pContext->SamplesToExitCount > 0) {
448            memset(pContext->InFrames32,
449                   0,
450                   frameCount * sizeof(LVM_INT32) * 2); //always stereo here
451        }
452
453        /* Process the samples */
454        LvmStatus = LVREV_Process(pContext->hInstance,      /* Instance handle */
455                                  pContext->InFrames32,     /* Input buffer */
456                                  pContext->OutFrames32,    /* Output buffer */
457                                  frameCount);              /* Number of samples to read */
458    }
459
460    LVM_ERROR_CHECK(LvmStatus, "LVREV_Process", "process")
461    if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
462
463    // Convert to 16 bits
464    if (pContext->auxiliary) {
465        for (int i=0; i < frameCount*2; i++) { //always stereo here
466            OutFrames16[i] = clamp16(pContext->OutFrames32[i]>>8);
467        }
468    } else {
469        for (int i=0; i < frameCount*2; i++) { //always stereo here
470            OutFrames16[i] = clamp16((pContext->OutFrames32[i]>>8) + (LVM_INT32)pIn[i]);
471        }
472    }
473
474    #ifdef LVM_PCM
475    fwrite(OutFrames16, frameCount*sizeof(LVM_INT16)*2, 1, pContext->PcmOutPtr);
476    fflush(pContext->PcmOutPtr);
477    #endif
478
479    // Accumulate if required
480    if (pContext->config.outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE){
481        //LOGV("\tBuffer access is ACCUMULATE");
482        for (int i=0; i<frameCount*2; i++){ //always stereo here
483            pOut[i] = clamp16((int32_t)pOut[i] + (int32_t)OutFrames16[i]);
484        }
485    }else{
486        //LOGV("\tBuffer access is WRITE");
487        memcpy(pOut, OutFrames16, frameCount*sizeof(LVM_INT16)*2);
488    }
489
490    return 0;
491}    /* end process */
492
493//----------------------------------------------------------------------------
494// Reverb_free()
495//----------------------------------------------------------------------------
496// Purpose: Free all memory associated with the Bundle.
497//
498// Inputs:
499//  pContext:   effect engine context
500//
501// Outputs:
502//
503//----------------------------------------------------------------------------
504
505void Reverb_free(ReverbContext *pContext){
506
507    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;         /* Function call status */
508    LVREV_ControlParams_st    params;                        /* Control Parameters */
509    LVREV_MemoryTable_st      MemTab;
510
511    /* Free the algorithm memory */
512    LvmStatus = LVREV_GetMemoryTable(pContext->hInstance,
513                                   &MemTab,
514                                   LVM_NULL);
515
516    LVM_ERROR_CHECK(LvmStatus, "LVM_GetMemoryTable", "Reverb_free")
517
518    for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
519        if (MemTab.Region[i].Size != 0){
520            if (MemTab.Region[i].pBaseAddress != NULL){
521                LOGV("\tfree() - START freeing %ld bytes for region %u at %p\n",
522                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
523
524                free(MemTab.Region[i].pBaseAddress);
525
526                LOGV("\tfree() - END   freeing %ld bytes for region %u at %p\n",
527                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
528            }else{
529                LOGV("\tLVM_ERROR : free() - trying to free with NULL pointer %ld bytes "
530                        "for region %u at %p ERROR\n",
531                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
532            }
533        }
534    }
535}    /* end Reverb_free */
536
537//----------------------------------------------------------------------------
538// Reverb_configure()
539//----------------------------------------------------------------------------
540// Purpose: Set input and output audio configuration.
541//
542// Inputs:
543//  pContext:   effect engine context
544//  pConfig:    pointer to effect_config_t structure holding input and output
545//      configuration parameters
546//
547// Outputs:
548//
549//----------------------------------------------------------------------------
550
551int Reverb_configure(ReverbContext *pContext, effect_config_t *pConfig){
552    LVM_Fs_en   SampleRate;
553    //LOGV("\tReverb_configure start");
554
555    CHECK_ARG(pContext != NULL);
556    CHECK_ARG(pConfig != NULL);
557
558    CHECK_ARG(pConfig->inputCfg.samplingRate == pConfig->outputCfg.samplingRate);
559    CHECK_ARG(pConfig->inputCfg.format == pConfig->outputCfg.format);
560    CHECK_ARG((pContext->auxiliary && pConfig->inputCfg.channels == CHANNEL_MONO) ||
561              ((!pContext->auxiliary) && pConfig->inputCfg.channels == CHANNEL_STEREO));
562    CHECK_ARG(pConfig->outputCfg.channels == CHANNEL_STEREO);
563    CHECK_ARG(pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_WRITE
564              || pConfig->outputCfg.accessMode == EFFECT_BUFFER_ACCESS_ACCUMULATE);
565    CHECK_ARG(pConfig->inputCfg.format == SAMPLE_FORMAT_PCM_S15);
566
567    if(pConfig->inputCfg.samplingRate != 44100){
568        return -EINVAL;
569    }
570
571    //LOGV("\tReverb_configure calling memcpy");
572    memcpy(&pContext->config, pConfig, sizeof(effect_config_t));
573
574
575    switch (pConfig->inputCfg.samplingRate) {
576    case 8000:
577        SampleRate = LVM_FS_8000;
578        break;
579    case 16000:
580        SampleRate = LVM_FS_16000;
581        break;
582    case 22050:
583        SampleRate = LVM_FS_22050;
584        break;
585    case 32000:
586        SampleRate = LVM_FS_32000;
587        break;
588    case 44100:
589        SampleRate = LVM_FS_44100;
590        break;
591    case 48000:
592        SampleRate = LVM_FS_48000;
593        break;
594    default:
595        LOGV("\rReverb_Configure invalid sampling rate %d", pConfig->inputCfg.samplingRate);
596        return -EINVAL;
597    }
598
599    if(pContext->SampleRate != SampleRate){
600
601        LVREV_ControlParams_st    ActiveParams;
602        LVREV_ReturnStatus_en     LvmStatus = LVREV_SUCCESS;
603
604        //LOGV("\tReverb_configure change sampling rate to %d", SampleRate);
605
606        /* Get the current settings */
607        LvmStatus = LVREV_GetControlParameters(pContext->hInstance,
608                                         &ActiveParams);
609
610        LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "Reverb_configure")
611        if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
612
613        LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
614
615        LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "Reverb_configure")
616        //LOGV("\tReverb_configure Succesfully called LVREV_SetControlParameters\n");
617
618    }else{
619        //LOGV("\tReverb_configure keep sampling rate at %d", SampleRate);
620    }
621
622    //LOGV("\tReverb_configure End");
623    return 0;
624}   /* end Reverb_configure */
625
626
627//----------------------------------------------------------------------------
628// Reverb_init()
629//----------------------------------------------------------------------------
630// Purpose: Initialize engine with default configuration
631//
632// Inputs:
633//  pContext:   effect engine context
634//
635// Outputs:
636//
637//----------------------------------------------------------------------------
638
639int Reverb_init(ReverbContext *pContext){
640    int status;
641
642    LOGV("\tReverb_init start");
643
644    CHECK_ARG(pContext != NULL);
645
646    if (pContext->hInstance != NULL){
647        Reverb_free(pContext);
648    }
649
650    pContext->config.inputCfg.accessMode                    = EFFECT_BUFFER_ACCESS_READ;
651    if (pContext->auxiliary) {
652        pContext->config.inputCfg.channels                  = CHANNEL_MONO;
653    } else {
654        pContext->config.inputCfg.channels                  = CHANNEL_STEREO;
655    }
656
657    pContext->config.inputCfg.format                        = SAMPLE_FORMAT_PCM_S15;
658    pContext->config.inputCfg.samplingRate                  = 44100;
659    pContext->config.inputCfg.bufferProvider.getBuffer      = NULL;
660    pContext->config.inputCfg.bufferProvider.releaseBuffer  = NULL;
661    pContext->config.inputCfg.bufferProvider.cookie         = NULL;
662    pContext->config.inputCfg.mask                          = EFFECT_CONFIG_ALL;
663    pContext->config.outputCfg.accessMode                   = EFFECT_BUFFER_ACCESS_ACCUMULATE;
664    pContext->config.outputCfg.channels                     = CHANNEL_STEREO;
665    pContext->config.outputCfg.format                       = SAMPLE_FORMAT_PCM_S15;
666    pContext->config.outputCfg.samplingRate                 = 44100;
667    pContext->config.outputCfg.bufferProvider.getBuffer     = NULL;
668    pContext->config.outputCfg.bufferProvider.releaseBuffer = NULL;
669    pContext->config.outputCfg.bufferProvider.cookie        = NULL;
670    pContext->config.outputCfg.mask                         = EFFECT_CONFIG_ALL;
671
672    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;        /* Function call status */
673    LVREV_ControlParams_st    params;                         /* Control Parameters */
674    LVREV_InstanceParams_st   InstParams;                     /* Instance parameters */
675    LVREV_MemoryTable_st      MemTab;                         /* Memory allocation table */
676    bool                      bMallocFailure = LVM_FALSE;
677
678    /* Set the capabilities */
679    InstParams.MaxBlockSize  = MAX_CALL_SIZE;
680    InstParams.SourceFormat  = LVM_STEREO;
681    InstParams.NumDelays     = LVREV_DELAYLINES_4;
682
683    /* Allocate memory, forcing alignment */
684    LvmStatus = LVREV_GetMemoryTable(LVM_NULL,
685                                  &MemTab,
686                                  &InstParams);
687
688    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetMemoryTable", "Reverb_init")
689    if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
690
691    LOGV("\tCreateInstance Succesfully called LVM_GetMemoryTable\n");
692
693    /* Allocate memory */
694    for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
695        if (MemTab.Region[i].Size != 0){
696            MemTab.Region[i].pBaseAddress = malloc(MemTab.Region[i].Size);
697
698            if (MemTab.Region[i].pBaseAddress == LVM_NULL){
699                LOGV("\tLVREV_ERROR :Reverb_init CreateInstance Failed to allocate %ld "
700                        "bytes for region %u\n", MemTab.Region[i].Size, i );
701                bMallocFailure = LVM_TRUE;
702            }else{
703                LOGV("\tReverb_init CreateInstance allocate %ld bytes for region %u at %p\n",
704                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
705            }
706        }
707    }
708
709    /* If one or more of the memory regions failed to allocate, free the regions that were
710     * succesfully allocated and return with an error
711     */
712    if(bMallocFailure == LVM_TRUE){
713        for (int i=0; i<LVM_NR_MEMORY_REGIONS; i++){
714            if (MemTab.Region[i].pBaseAddress == LVM_NULL){
715                LOGV("\tLVM_ERROR :Reverb_init CreateInstance Failed to allocate %ld bytes "
716                        "for region %u - Not freeing\n", MemTab.Region[i].Size, i );
717            }else{
718                LOGV("\tLVM_ERROR :Reverb_init CreateInstance Failed: but allocated %ld bytes "
719                        "for region %u at %p- free\n",
720                        MemTab.Region[i].Size, i, MemTab.Region[i].pBaseAddress);
721                free(MemTab.Region[i].pBaseAddress);
722            }
723        }
724        return -EINVAL;
725    }
726    LOGV("\tReverb_init CreateInstance Succesfully malloc'd memory\n");
727
728    /* Initialise */
729    pContext->hInstance = LVM_NULL;
730
731    /* Init sets the instance handle */
732    LvmStatus = LVREV_GetInstanceHandle(&pContext->hInstance,
733                                        &MemTab,
734                                        &InstParams);
735
736    LVM_ERROR_CHECK(LvmStatus, "LVM_GetInstanceHandle", "Reverb_init")
737    if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
738
739    LOGV("\tReverb_init CreateInstance Succesfully called LVM_GetInstanceHandle\n");
740
741    /* Set the initial process parameters */
742    /* General parameters */
743    params.OperatingMode  = LVM_MODE_ON;
744    params.SampleRate     = LVM_FS_44100;
745    params.SourceFormat   = LVM_STEREO;
746
747    /* Reverb parameters */
748    params.Level          = 0;
749    params.LPF            = 23999;
750    params.HPF            = 50;
751    params.T60            = 1490;
752    params.Density        = 100;
753    params.Damping        = 21;
754    params.RoomSize       = 100;
755
756    pContext->SamplesToExitCount = (params.T60 * pContext->config.inputCfg.samplingRate)/1000;
757
758    /* Saved strength is used to return the exact strength that was used in the set to the get
759     * because we map the original strength range of 0:1000 to 1:15, and this will avoid
760     * quantisation like effect when returning
761     */
762    pContext->SavedRoomLevel    = -6000;
763    pContext->SavedHfLevel      = 0;
764    pContext->bEnabled          = LVM_FALSE;
765    pContext->SavedDecayTime    = params.T60;
766    pContext->SavedDecayHfRatio = params.Damping*20;
767    pContext->SavedDensity      = params.RoomSize*10;
768    pContext->SavedDiffusion    = params.Density*10;
769    pContext->SavedReverbLevel  = -6000;
770
771    /* Activate the initial settings */
772    LvmStatus = LVREV_SetControlParameters(pContext->hInstance,
773                                         &params);
774
775    LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "Reverb_init")
776    if(LvmStatus != LVREV_SUCCESS) return -EINVAL;
777
778    LOGV("\tReverb_init CreateInstance Succesfully called LVREV_SetControlParameters\n");
779    LOGV("\tReverb_init End");
780    return 0;
781}   /* end Reverb_init */
782
783//----------------------------------------------------------------------------
784// ReverbConvertLevel()
785//----------------------------------------------------------------------------
786// Purpose:
787// Convert level from OpenSL ES format to LVM format
788//
789// Inputs:
790//  level       level to be applied
791//
792//----------------------------------------------------------------------------
793
794int16_t ReverbConvertLevel(int16_t level){
795    static int16_t LevelArray[101] =
796    {
797       -12000, -4000,  -3398,  -3046,  -2796,  -2603,  -2444,  -2310,  -2194,  -2092,
798       -2000,  -1918,  -1842,  -1773,  -1708,  -1648,  -1592,  -1540,  -1490,  -1443,
799       -1398,  -1356,  -1316,  -1277,  -1240,  -1205,  -1171,  -1138,  -1106,  -1076,
800       -1046,  -1018,  -990,   -963,   -938,   -912,   -888,   -864,   -841,   -818,
801       -796,   -775,   -754,   -734,   -714,   -694,   -675,   -656,   -638,   -620,
802       -603,   -585,   -568,   -552,   -536,   -520,   -504,   -489,   -474,   -459,
803       -444,   -430,   -416,   -402,   -388,   -375,   -361,   -348,   -335,   -323,
804       -310,   -298,   -286,   -274,   -262,   -250,   -239,   -228,   -216,   -205,
805       -194,   -184,   -173,   -162,   -152,   -142,   -132,   -121,   -112,   -102,
806       -92,    -82,    -73,    -64,    -54,    -45,    -36,    -27,    -18,    -9,
807       0
808    };
809    int16_t i;
810
811    for(i = 0; i < 101; i++)
812    {
813       if(level <= LevelArray[i])
814           break;
815    }
816    return i;
817}
818
819//----------------------------------------------------------------------------
820// ReverbConvertHFLevel()
821//----------------------------------------------------------------------------
822// Purpose:
823// Convert level from OpenSL ES format to LVM format
824//
825// Inputs:
826//  level       level to be applied
827//
828//----------------------------------------------------------------------------
829
830int16_t ReverbConvertHfLevel(int16_t Hflevel){
831    int16_t i;
832
833    static LPFPair_t LPFArray[97] =
834    {   // Limit range to 50 for LVREV parameter range
835        {-10000, 50}, { -5000, 50 }, { -4000, 50},  { -3000, 158}, { -2000, 502},
836        {-1000, 1666},{ -900, 1897}, { -800, 2169}, { -700, 2496}, { -600, 2895},
837        {-500, 3400}, { -400, 4066}, { -300, 5011}, { -200, 6537}, { -100,  9826},
838        {-99, 9881 }, { -98, 9937 }, { -97, 9994 }, { -96, 10052}, { -95, 10111},
839        {-94, 10171}, { -93, 10231}, { -92, 10293}, { -91, 10356}, { -90, 10419},
840        {-89, 10484}, { -88, 10549}, { -87, 10616}, { -86, 10684}, { -85, 10753},
841        {-84, 10823}, { -83, 10895}, { -82, 10968}, { -81, 11042}, { -80, 11117},
842        {-79, 11194}, { -78, 11272}, { -77, 11352}, { -76, 11433}, { -75, 11516},
843        {-74, 11600}, { -73, 11686}, { -72, 11774}, { -71, 11864}, { -70, 11955},
844        {-69, 12049}, { -68, 12144}, { -67, 12242}, { -66, 12341}, { -65, 12443},
845        {-64, 12548}, { -63, 12654}, { -62, 12763}, { -61, 12875}, { -60, 12990},
846        {-59, 13107}, { -58, 13227}, { -57, 13351}, { -56, 13477}, { -55, 13607},
847        {-54, 13741}, { -53, 13878}, { -52, 14019}, { -51, 14164}, { -50, 14313},
848        {-49, 14467}, { -48, 14626}, { -47, 14789}, { -46, 14958}, { -45, 15132},
849        {-44, 15312}, { -43, 15498}, { -42, 15691}, { -41, 15890}, { -40, 16097},
850        {-39, 16311}, { -38, 16534}, { -37, 16766}, { -36, 17007}, { -35, 17259},
851        {-34, 17521}, { -33, 17795}, { -32, 18081}, { -31, 18381}, { -30, 18696},
852        {-29, 19027}, { -28, 19375}, { -27, 19742}, { -26, 20129}, { -25, 20540},
853        {-24, 20976}, { -23, 21439}, { -22, 21934}, { -21, 22463}, { -20, 23031},
854        {-19, 23643}, { -18, 23999}
855    };
856
857    for(i = 0; i < 96; i++)
858    {
859        if(Hflevel <= LPFArray[i].Room_HF)
860            break;
861    }
862    return LPFArray[i].LPF;
863}
864
865//----------------------------------------------------------------------------
866// ReverbSetRoomHfLevel()
867//----------------------------------------------------------------------------
868// Purpose:
869// Apply the HF level to the Reverb. Must first be converted to LVM format
870//
871// Inputs:
872//  pContext:   effect engine context
873//  level       level to be applied
874//
875//----------------------------------------------------------------------------
876
877void ReverbSetRoomHfLevel(ReverbContext *pContext, int16_t level){
878    //LOGV("\tReverbSetRoomHfLevel start (%d)", level);
879
880    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
881    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
882
883    /* Get the current settings */
884    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
885    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetRoomHfLevel")
886    //LOGV("\tReverbSetRoomHfLevel Succesfully returned from LVM_GetControlParameters\n");
887    //LOGV("\tReverbSetRoomHfLevel() just Got -> %d\n", ActiveParams.LPF);
888
889    ActiveParams.LPF = ReverbConvertHfLevel(level);
890
891    /* Activate the initial settings */
892    LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
893    LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetRoomHfLevel")
894    //LOGV("\tReverbSetRoomhfLevel() just Set -> %d\n", ActiveParams.LPF);
895    pContext->SavedHfLevel = level;
896    //LOGV("\tReverbSetHfRoomLevel end.. saving %d", pContext->SavedHfLevel);
897    return;
898}
899
900//----------------------------------------------------------------------------
901// ReverbGetRoomHfLevel()
902//----------------------------------------------------------------------------
903// Purpose:
904// Get the level applied to the Revervb. Must first be converted to LVM format
905//
906// Inputs:
907//  pContext:   effect engine context
908//
909//----------------------------------------------------------------------------
910
911int16_t ReverbGetRoomHfLevel(ReverbContext *pContext){
912    int16_t level;
913    //LOGV("\tReverbGetRoomHfLevel start, saved level is %d", pContext->SavedHfLevel);
914
915    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
916    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
917
918    /* Get the current settings */
919    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
920    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetRoomHfLevel")
921    //LOGV("\tReverbGetRoomHfLevel Succesfully returned from LVM_GetControlParameters\n");
922    //LOGV("\tReverbGetRoomHfLevel() just Got -> %d\n", ActiveParams.LPF);
923
924    level = ReverbConvertHfLevel(pContext->SavedHfLevel);
925
926    //LOGV("\tReverbGetRoomHfLevel() ActiveParams.LPFL %d, pContext->SavedHfLevel: %d, "
927    //     "converted level: %d\n", ActiveParams.LPF, pContext->SavedHfLevel, level);
928
929    if(ActiveParams.LPF != level){
930        LOGV("\tLVM_ERROR : (ignore at start up) ReverbGetRoomHfLevel() has wrong level -> %d %d\n",
931               ActiveParams.Level, level);
932    }
933
934    //LOGV("\tReverbGetRoomHfLevel end");
935    return pContext->SavedHfLevel;
936}
937
938//----------------------------------------------------------------------------
939// ReverbSetReverbLevel()
940//----------------------------------------------------------------------------
941// Purpose:
942// Apply the level to the Reverb. Must first be converted to LVM format
943//
944// Inputs:
945//  pContext:   effect engine context
946//  level       level to be applied
947//
948//----------------------------------------------------------------------------
949
950void ReverbSetReverbLevel(ReverbContext *pContext, int16_t level){
951    //LOGV("\n\tReverbSetReverbLevel start (%d)", level);
952
953    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
954    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
955    LVM_INT32                 CombinedLevel;             // Sum of room and reverb level controls
956
957    /* Get the current settings */
958    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
959    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetReverbLevel")
960    //LOGV("\tReverbSetReverbLevel Succesfully returned from LVM_GetControlParameters\n");
961    //LOGV("\tReverbSetReverbLevel just Got -> %d\n", ActiveParams.Level);
962
963    // needs to subtract max levels for both RoomLevel and ReverbLevel
964    CombinedLevel = (level + pContext->SavedRoomLevel)-LVREV_MAX_REVERB_LEVEL;
965    //LOGV("\tReverbSetReverbLevel() CombinedLevel is %d = %d + %d\n",
966    //      CombinedLevel, level, pContext->SavedRoomLevel);
967
968    ActiveParams.Level = ReverbConvertLevel(CombinedLevel);
969
970    //LOGV("\tReverbSetReverbLevel() Trying to set -> %d\n", ActiveParams.Level);
971
972    /* Activate the initial settings */
973    LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
974    LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetReverbLevel")
975    //LOGV("\tReverbSetReverbLevel() just Set -> %d\n", ActiveParams.Level);
976
977    pContext->SavedReverbLevel = level;
978    //LOGV("\tReverbSetReverbLevel end pContext->SavedReverbLevel is %d\n\n",
979    //     pContext->SavedReverbLevel);
980    return;
981}
982
983//----------------------------------------------------------------------------
984// ReverbGetReverbLevel()
985//----------------------------------------------------------------------------
986// Purpose:
987// Get the level applied to the Revervb. Must first be converted to LVM format
988//
989// Inputs:
990//  pContext:   effect engine context
991//
992//----------------------------------------------------------------------------
993
994int16_t ReverbGetReverbLevel(ReverbContext *pContext){
995    int16_t level;
996    //LOGV("\tReverbGetReverbLevel start");
997
998    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
999    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1000    LVM_INT32                 CombinedLevel;             // Sum of room and reverb level controls
1001
1002    /* Get the current settings */
1003    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1004    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetReverbLevel")
1005    //LOGV("\tReverbGetReverbLevel Succesfully returned from LVM_GetControlParameters\n");
1006    //LOGV("\tReverbGetReverbLevel() just Got -> %d\n", ActiveParams.Level);
1007
1008    // needs to subtract max levels for both RoomLevel and ReverbLevel
1009    CombinedLevel = (pContext->SavedReverbLevel + pContext->SavedRoomLevel)-LVREV_MAX_REVERB_LEVEL;
1010
1011    //LOGV("\tReverbGetReverbLevel() CombinedLevel is %d = %d + %d\n",
1012    //CombinedLevel, pContext->SavedReverbLevel, pContext->SavedRoomLevel);
1013    level = ReverbConvertLevel(CombinedLevel);
1014
1015    //LOGV("\tReverbGetReverbLevel(): ActiveParams.Level: %d, pContext->SavedReverbLevel: %d, "
1016    //"pContext->SavedRoomLevel: %d, CombinedLevel: %d, converted level: %d\n",
1017    //ActiveParams.Level, pContext->SavedReverbLevel,pContext->SavedRoomLevel, CombinedLevel,level);
1018
1019    if(ActiveParams.Level != level){
1020        LOGV("\tLVM_ERROR : (ignore at start up) ReverbGetReverbLevel() has wrong level -> %d %d\n",
1021                ActiveParams.Level, level);
1022    }
1023
1024    //LOGV("\tReverbGetReverbLevel end\n");
1025
1026    return pContext->SavedReverbLevel;
1027}
1028
1029//----------------------------------------------------------------------------
1030// ReverbSetRoomLevel()
1031//----------------------------------------------------------------------------
1032// Purpose:
1033// Apply the level to the Reverb. Must first be converted to LVM format
1034//
1035// Inputs:
1036//  pContext:   effect engine context
1037//  level       level to be applied
1038//
1039//----------------------------------------------------------------------------
1040
1041void ReverbSetRoomLevel(ReverbContext *pContext, int16_t level){
1042    //LOGV("\tReverbSetRoomLevel start (%d)", level);
1043
1044    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1045    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1046    LVM_INT32                 CombinedLevel;             // Sum of room and reverb level controls
1047
1048    /* Get the current settings */
1049    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1050    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetRoomLevel")
1051    //LOGV("\tReverbSetRoomLevel Succesfully returned from LVM_GetControlParameters\n");
1052    //LOGV("\tReverbSetRoomLevel() just Got -> %d\n", ActiveParams.Level);
1053
1054    // needs to subtract max levels for both RoomLevel and ReverbLevel
1055    CombinedLevel = (level + pContext->SavedReverbLevel)-LVREV_MAX_REVERB_LEVEL;
1056    ActiveParams.Level = ReverbConvertLevel(CombinedLevel);
1057
1058    /* Activate the initial settings */
1059    LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
1060    LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetRoomLevel")
1061    //LOGV("\tReverbSetRoomLevel() just Set -> %d\n", ActiveParams.Level);
1062
1063    pContext->SavedRoomLevel = level;
1064    //LOGV("\tReverbSetRoomLevel end");
1065    return;
1066}
1067
1068//----------------------------------------------------------------------------
1069// ReverbGetRoomLevel()
1070//----------------------------------------------------------------------------
1071// Purpose:
1072// Get the level applied to the Revervb. Must first be converted to LVM format
1073//
1074// Inputs:
1075//  pContext:   effect engine context
1076//
1077//----------------------------------------------------------------------------
1078
1079int16_t ReverbGetRoomLevel(ReverbContext *pContext){
1080    int16_t level;
1081    //LOGV("\tReverbGetRoomLevel start");
1082
1083    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1084    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1085    LVM_INT32                 CombinedLevel;             // Sum of room and reverb level controls
1086
1087    /* Get the current settings */
1088    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1089    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetRoomLevel")
1090    //LOGV("\tReverbGetRoomLevel Succesfully returned from LVM_GetControlParameters\n");
1091    //LOGV("\tReverbGetRoomLevel() just Got -> %d\n", ActiveParams.Level);
1092
1093    // needs to subtract max levels for both RoomLevel and ReverbLevel
1094    CombinedLevel = (pContext->SavedRoomLevel + pContext->SavedReverbLevel-LVREV_MAX_REVERB_LEVEL);
1095    level = ReverbConvertLevel(CombinedLevel);
1096
1097    //LOGV("\tReverbGetRoomLevel, Level = %d, pContext->SavedRoomLevel = %d, "
1098    //     "pContext->SavedReverbLevel = %d, CombinedLevel = %d, level = %d",
1099    //     ActiveParams.Level, pContext->SavedRoomLevel,
1100    //     pContext->SavedReverbLevel, CombinedLevel, level);
1101
1102    if(ActiveParams.Level != level){
1103        LOGV("\tLVM_ERROR : (ignore at start up) ReverbGetRoomLevel() has wrong level -> %d %d\n",
1104              ActiveParams.Level, level);
1105    }
1106
1107    //LOGV("\tReverbGetRoomLevel end");
1108    return pContext->SavedRoomLevel;
1109}
1110
1111//----------------------------------------------------------------------------
1112// ReverbSetDecayTime()
1113//----------------------------------------------------------------------------
1114// Purpose:
1115// Apply the decay time to the Reverb.
1116//
1117// Inputs:
1118//  pContext:   effect engine context
1119//  time        decay to be applied
1120//
1121//----------------------------------------------------------------------------
1122
1123void ReverbSetDecayTime(ReverbContext *pContext, uint32_t time){
1124    //LOGV("\tReverbSetDecayTime start (%d)", time);
1125
1126    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1127    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1128
1129    /* Get the current settings */
1130    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1131    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDecayTime")
1132    //LOGV("\tReverbSetDecayTime Succesfully returned from LVM_GetControlParameters\n");
1133    //LOGV("\tReverbSetDecayTime() just Got -> %d\n", ActiveParams.T60);
1134
1135    if (time <= LVREV_MAX_T60) {
1136        ActiveParams.T60 = (LVM_UINT16)time;
1137    }
1138    else {
1139        ActiveParams.T60 = LVREV_MAX_T60;
1140    }
1141
1142    /* Activate the initial settings */
1143    LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
1144    LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDecayTime")
1145    //LOGV("\tReverbSetDecayTime() just Set -> %d\n", ActiveParams.T60);
1146
1147    pContext->SamplesToExitCount = (ActiveParams.T60 * pContext->config.inputCfg.samplingRate)/1000;
1148    //LOGV("\tReverbSetDecayTime() just Set SamplesToExitCount-> %d\n",pContext->SamplesToExitCount);
1149    pContext->SavedDecayTime = (int16_t)time;
1150    //LOGV("\tReverbSetDecayTime end");
1151    return;
1152}
1153
1154//----------------------------------------------------------------------------
1155// ReverbGetDecayTime()
1156//----------------------------------------------------------------------------
1157// Purpose:
1158// Get the decay time applied to the Revervb.
1159//
1160// Inputs:
1161//  pContext:   effect engine context
1162//
1163//----------------------------------------------------------------------------
1164
1165uint32_t ReverbGetDecayTime(ReverbContext *pContext){
1166    //LOGV("\tReverbGetDecayTime start");
1167
1168    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1169    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1170
1171    /* Get the current settings */
1172    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1173    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDecayTime")
1174    //LOGV("\tReverbGetDecayTime Succesfully returned from LVM_GetControlParameters\n");
1175    //LOGV("\tReverbGetDecayTime() just Got -> %d\n", ActiveParams.T60);
1176
1177    if(ActiveParams.T60 != pContext->SavedDecayTime){
1178        // This will fail if the decay time is set to more than 7000
1179        LOGV("\tLVM_ERROR : ReverbGetDecayTime() has wrong level -> %d %d\n",
1180         ActiveParams.T60, pContext->SavedDecayTime);
1181    }
1182
1183    //LOGV("\tReverbGetDecayTime end");
1184    return (uint32_t)ActiveParams.T60;
1185}
1186
1187//----------------------------------------------------------------------------
1188// ReverbSetDecayHfRatio()
1189//----------------------------------------------------------------------------
1190// Purpose:
1191// Apply the HF decay ratio to the Reverb.
1192//
1193// Inputs:
1194//  pContext:   effect engine context
1195//  ratio       ratio to be applied
1196//
1197//----------------------------------------------------------------------------
1198
1199void ReverbSetDecayHfRatio(ReverbContext *pContext, int16_t ratio){
1200    //LOGV("\tReverbSetDecayHfRatioe start (%d)", ratio);
1201
1202    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1203    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;   /* Function call status */
1204
1205    /* Get the current settings */
1206    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1207    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDecayHfRatio")
1208    //LOGV("\tReverbSetDecayHfRatio Succesfully returned from LVM_GetControlParameters\n");
1209    //LOGV("\tReverbSetDecayHfRatio() just Got -> %d\n", ActiveParams.Damping);
1210
1211    ActiveParams.Damping = (LVM_INT16)(ratio/20);
1212
1213    /* Activate the initial settings */
1214    LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
1215    LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDecayHfRatio")
1216    //LOGV("\tReverbSetDecayHfRatio() just Set -> %d\n", ActiveParams.Damping);
1217
1218    pContext->SavedDecayHfRatio = ratio;
1219    //LOGV("\tReverbSetDecayHfRatio end");
1220    return;
1221}
1222
1223//----------------------------------------------------------------------------
1224// ReverbGetDecayHfRatio()
1225//----------------------------------------------------------------------------
1226// Purpose:
1227// Get the HF decay ratio applied to the Revervb.
1228//
1229// Inputs:
1230//  pContext:   effect engine context
1231//
1232//----------------------------------------------------------------------------
1233
1234int32_t ReverbGetDecayHfRatio(ReverbContext *pContext){
1235    //LOGV("\tReverbGetDecayHfRatio start");
1236
1237    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1238    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;   /* Function call status */
1239
1240    /* Get the current settings */
1241    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1242    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDecayHfRatio")
1243    //LOGV("\tReverbGetDecayHfRatio Succesfully returned from LVM_GetControlParameters\n");
1244    //LOGV("\tReverbGetDecayHfRatio() just Got -> %d\n", ActiveParams.Damping);
1245
1246    if(ActiveParams.Damping != (LVM_INT16)(pContext->SavedDecayHfRatio / 20)){
1247        LOGV("\tLVM_ERROR : ReverbGetDecayHfRatio() has wrong level -> %d %d\n",
1248         ActiveParams.Damping, pContext->SavedDecayHfRatio);
1249    }
1250
1251    //LOGV("\tReverbGetDecayHfRatio end");
1252    return pContext->SavedDecayHfRatio;
1253}
1254
1255//----------------------------------------------------------------------------
1256// ReverbSetDiffusion()
1257//----------------------------------------------------------------------------
1258// Purpose:
1259// Apply the diffusion to the Reverb.
1260//
1261// Inputs:
1262//  pContext:   effect engine context
1263//  level        decay to be applied
1264//
1265//----------------------------------------------------------------------------
1266
1267void ReverbSetDiffusion(ReverbContext *pContext, int16_t level){
1268    //LOGV("\tReverbSetDiffusion start (%d)", level);
1269
1270    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1271    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1272
1273    /* Get the current settings */
1274    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1275    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDiffusion")
1276    //LOGV("\tReverbSetDiffusion Succesfully returned from LVM_GetControlParameters\n");
1277    //LOGV("\tReverbSetDiffusion() just Got -> %d\n", ActiveParams.Density);
1278
1279    ActiveParams.Density = (LVM_INT16)(level/10);
1280
1281    /* Activate the initial settings */
1282    LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
1283    LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDiffusion")
1284    //LOGV("\tReverbSetDiffusion() just Set -> %d\n", ActiveParams.Density);
1285
1286    pContext->SavedDiffusion = level;
1287    //LOGV("\tReverbSetDiffusion end");
1288    return;
1289}
1290
1291//----------------------------------------------------------------------------
1292// ReverbGetDiffusion()
1293//----------------------------------------------------------------------------
1294// Purpose:
1295// Get the decay time applied to the Revervb.
1296//
1297// Inputs:
1298//  pContext:   effect engine context
1299//
1300//----------------------------------------------------------------------------
1301
1302int32_t ReverbGetDiffusion(ReverbContext *pContext){
1303    //LOGV("\tReverbGetDiffusion start");
1304
1305    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1306    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1307    LVM_INT16                 Temp;
1308
1309    /* Get the current settings */
1310    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1311    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDiffusion")
1312    //LOGV("\tReverbGetDiffusion Succesfully returned from LVM_GetControlParameters\n");
1313    //LOGV("\tReverbGetDiffusion just Got -> %d\n", ActiveParams.Density);
1314
1315    Temp = (LVM_INT16)(pContext->SavedDiffusion/10);
1316
1317    if(ActiveParams.Density != Temp){
1318        LOGV("\tLVM_ERROR : ReverbGetDiffusion invalid value %d %d", Temp, ActiveParams.Density);
1319    }
1320
1321    //LOGV("\tReverbGetDiffusion end");
1322    return pContext->SavedDiffusion;
1323}
1324
1325//----------------------------------------------------------------------------
1326// ReverbSetDensity()
1327//----------------------------------------------------------------------------
1328// Purpose:
1329// Apply the density level the Reverb.
1330//
1331// Inputs:
1332//  pContext:   effect engine context
1333//  level        decay to be applied
1334//
1335//----------------------------------------------------------------------------
1336
1337void ReverbSetDensity(ReverbContext *pContext, int16_t level){
1338    //LOGV("\tReverbSetDensity start (%d)", level);
1339
1340    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1341    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1342
1343    /* Get the current settings */
1344    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1345    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbSetDensity")
1346    //LOGV("\tReverbSetDensity Succesfully returned from LVM_GetControlParameters\n");
1347    //LOGV("\tReverbSetDensity just Got -> %d\n", ActiveParams.RoomSize);
1348
1349    ActiveParams.RoomSize = (LVM_INT16)(((level * 99) / 1000) + 1);
1350
1351    /* Activate the initial settings */
1352    LvmStatus = LVREV_SetControlParameters(pContext->hInstance, &ActiveParams);
1353    LVM_ERROR_CHECK(LvmStatus, "LVREV_SetControlParameters", "ReverbSetDensity")
1354    //LOGV("\tReverbSetDensity just Set -> %d\n", ActiveParams.RoomSize);
1355
1356    pContext->SavedDensity = level;
1357    //LOGV("\tReverbSetDensity end");
1358    return;
1359}
1360
1361//----------------------------------------------------------------------------
1362// ReverbGetDensity()
1363//----------------------------------------------------------------------------
1364// Purpose:
1365// Get the density level applied to the Revervb.
1366//
1367// Inputs:
1368//  pContext:   effect engine context
1369//
1370//----------------------------------------------------------------------------
1371
1372int32_t ReverbGetDensity(ReverbContext *pContext){
1373    //LOGV("\tReverbGetDensity start");
1374
1375    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1376    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1377    LVM_INT16                 Temp;
1378    /* Get the current settings */
1379    LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1380    LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "ReverbGetDensity")
1381    //LOGV("\tReverbGetDensity Succesfully returned from LVM_GetControlParameters\n");
1382    //LOGV("\tReverbGetDensity() just Got -> %d\n", ActiveParams.RoomSize);
1383
1384
1385    Temp = (LVM_INT16)(((pContext->SavedDensity * 99) / 1000) + 1);
1386
1387    if(Temp != ActiveParams.RoomSize){
1388        LOGV("\tLVM_ERROR : ReverbGetDensity invalid value %d %d", Temp, ActiveParams.RoomSize);
1389    }
1390
1391    //LOGV("\tReverbGetDensity end");
1392    return pContext->SavedDensity;
1393}
1394
1395//----------------------------------------------------------------------------
1396// Reverb_LoadPreset()
1397//----------------------------------------------------------------------------
1398// Purpose:
1399// Load a the next preset
1400//
1401// Inputs:
1402//  pContext         - handle to instance data
1403//
1404// Outputs:
1405//
1406// Side Effects:
1407//
1408//----------------------------------------------------------------------------
1409int Reverb_LoadPreset(ReverbContext   *pContext)
1410{
1411    //TODO: add reflections delay, level and reverb delay when early reflections are
1412    // implemented
1413    pContext->curPreset = pContext->nextPreset;
1414
1415    if (pContext->curPreset != REVERB_PRESET_NONE) {
1416        const t_reverb_settings *preset = &sReverbPresets[pContext->curPreset];
1417        ReverbSetRoomLevel(pContext, preset->roomLevel);
1418        ReverbSetRoomHfLevel(pContext, preset->roomHFLevel);
1419        ReverbSetDecayTime(pContext, preset->decayTime);
1420        ReverbSetDecayHfRatio(pContext, preset->decayHFRatio);
1421        //reflectionsLevel
1422        //reflectionsDelay
1423        ReverbSetReverbLevel(pContext, preset->reverbLevel);
1424        // reverbDelay
1425        ReverbSetDiffusion(pContext, preset->diffusion);
1426        ReverbSetDensity(pContext, preset->density);
1427    }
1428
1429    return 0;
1430}
1431
1432
1433//----------------------------------------------------------------------------
1434// Reverb_getParameter()
1435//----------------------------------------------------------------------------
1436// Purpose:
1437// Get a Reverb parameter
1438//
1439// Inputs:
1440//  pContext         - handle to instance data
1441//  pParam           - pointer to parameter
1442//  pValue           - pointer to variable to hold retrieved value
1443//  pValueSize       - pointer to value size: maximum size as input
1444//
1445// Outputs:
1446//  *pValue updated with parameter value
1447//  *pValueSize updated with actual value size
1448//
1449//
1450// Side Effects:
1451//
1452//----------------------------------------------------------------------------
1453
1454int Reverb_getParameter(ReverbContext *pContext,
1455                        void          *pParam,
1456                        size_t        *pValueSize,
1457                        void          *pValue){
1458    int status = 0;
1459    int32_t *pParamTemp = (int32_t *)pParam;
1460    int32_t param = *pParamTemp++;
1461    char *name;
1462    t_reverb_settings *pProperties;
1463
1464    //LOGV("\tReverb_getParameter start");
1465    if (pContext->preset) {
1466        if (param != REVERB_PARAM_PRESET || *pValueSize < sizeof(uint16_t)) {
1467            return -EINVAL;
1468        }
1469
1470        *(uint16_t *)pValue = pContext->nextPreset;
1471        LOGV("get REVERB_PARAM_PRESET, preset %d", pContext->nextPreset);
1472        return 0;
1473    }
1474
1475    switch (param){
1476        case REVERB_PARAM_ROOM_LEVEL:
1477            if (*pValueSize != sizeof(int16_t)){
1478                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize1 %d", *pValueSize);
1479                return -EINVAL;
1480            }
1481            *pValueSize = sizeof(int16_t);
1482            break;
1483        case REVERB_PARAM_ROOM_HF_LEVEL:
1484            if (*pValueSize != sizeof(int16_t)){
1485                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize12 %d", *pValueSize);
1486                return -EINVAL;
1487            }
1488            *pValueSize = sizeof(int16_t);
1489            break;
1490        case REVERB_PARAM_DECAY_TIME:
1491            if (*pValueSize != sizeof(uint32_t)){
1492                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize3 %d", *pValueSize);
1493                return -EINVAL;
1494            }
1495            *pValueSize = sizeof(uint32_t);
1496            break;
1497        case REVERB_PARAM_DECAY_HF_RATIO:
1498            if (*pValueSize != sizeof(int16_t)){
1499                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize4 %d", *pValueSize);
1500                return -EINVAL;
1501            }
1502            *pValueSize = sizeof(int16_t);
1503            break;
1504        case REVERB_PARAM_REFLECTIONS_LEVEL:
1505            if (*pValueSize != sizeof(int16_t)){
1506                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize5 %d", *pValueSize);
1507                return -EINVAL;
1508            }
1509            *pValueSize = sizeof(int16_t);
1510            break;
1511        case REVERB_PARAM_REFLECTIONS_DELAY:
1512            if (*pValueSize != sizeof(uint32_t)){
1513                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize6 %d", *pValueSize);
1514                return -EINVAL;
1515            }
1516            *pValueSize = sizeof(uint32_t);
1517            break;
1518        case REVERB_PARAM_REVERB_LEVEL:
1519            if (*pValueSize != sizeof(int16_t)){
1520                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize7 %d", *pValueSize);
1521                return -EINVAL;
1522            }
1523            *pValueSize = sizeof(int16_t);
1524            break;
1525        case REVERB_PARAM_REVERB_DELAY:
1526            if (*pValueSize != sizeof(uint32_t)){
1527                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize8 %d", *pValueSize);
1528                return -EINVAL;
1529            }
1530            *pValueSize = sizeof(uint32_t);
1531            break;
1532        case REVERB_PARAM_DIFFUSION:
1533            if (*pValueSize != sizeof(int16_t)){
1534                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize9 %d", *pValueSize);
1535                return -EINVAL;
1536            }
1537            *pValueSize = sizeof(int16_t);
1538            break;
1539        case REVERB_PARAM_DENSITY:
1540            if (*pValueSize != sizeof(int16_t)){
1541                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize10 %d", *pValueSize);
1542                return -EINVAL;
1543            }
1544            *pValueSize = sizeof(int16_t);
1545            break;
1546        case REVERB_PARAM_PROPERTIES:
1547            if (*pValueSize != sizeof(t_reverb_settings)){
1548                LOGV("\tLVM_ERROR : Reverb_getParameter() invalid pValueSize11 %d", *pValueSize);
1549                return -EINVAL;
1550            }
1551            *pValueSize = sizeof(t_reverb_settings);
1552            break;
1553
1554        default:
1555            LOGV("\tLVM_ERROR : Reverb_getParameter() invalid param %d", param);
1556            return -EINVAL;
1557    }
1558
1559    pProperties = (t_reverb_settings *) pValue;
1560
1561    switch (param){
1562        case REVERB_PARAM_PROPERTIES:
1563            pProperties->roomLevel = ReverbGetRoomLevel(pContext);
1564            pProperties->roomHFLevel = ReverbGetRoomHfLevel(pContext);
1565            pProperties->decayTime = ReverbGetDecayTime(pContext);
1566            pProperties->decayHFRatio = ReverbGetDecayHfRatio(pContext);
1567            pProperties->reflectionsLevel = 0;
1568            pProperties->reflectionsDelay = 0;
1569            pProperties->reverbDelay = 0;
1570            pProperties->reverbLevel = ReverbGetReverbLevel(pContext);
1571            pProperties->diffusion = ReverbGetDiffusion(pContext);
1572            pProperties->density = ReverbGetDensity(pContext);
1573
1574            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is roomLevel        %d",
1575                pProperties->roomLevel);
1576            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is roomHFLevel      %d",
1577                pProperties->roomHFLevel);
1578            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is decayTime        %d",
1579                pProperties->decayTime);
1580            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is decayHFRatio     %d",
1581                pProperties->decayHFRatio);
1582            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reflectionsLevel %d",
1583                pProperties->reflectionsLevel);
1584            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reflectionsDelay %d",
1585                pProperties->reflectionsDelay);
1586            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reverbDelay      %d",
1587                pProperties->reverbDelay);
1588            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is reverbLevel      %d",
1589                pProperties->reverbLevel);
1590            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is diffusion        %d",
1591                pProperties->diffusion);
1592            LOGV("\tReverb_getParameter() REVERB_PARAM_PROPERTIES Value is density          %d",
1593                pProperties->density);
1594            break;
1595
1596        case REVERB_PARAM_ROOM_LEVEL:
1597            *(int16_t *)pValue = ReverbGetRoomLevel(pContext);
1598
1599            //LOGV("\tReverb_getParameter() REVERB_PARAM_ROOM_LEVEL Value is %d",
1600            //        *(int16_t *)pValue);
1601            break;
1602        case REVERB_PARAM_ROOM_HF_LEVEL:
1603            *(int16_t *)pValue = ReverbGetRoomHfLevel(pContext);
1604
1605            //LOGV("\tReverb_getParameter() REVERB_PARAM_ROOM_HF_LEVEL Value is %d",
1606            //        *(int16_t *)pValue);
1607            break;
1608        case REVERB_PARAM_DECAY_TIME:
1609            *(uint32_t *)pValue = ReverbGetDecayTime(pContext);
1610
1611            //LOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_TIME Value is %d",
1612            //        *(int32_t *)pValue);
1613            break;
1614        case REVERB_PARAM_DECAY_HF_RATIO:
1615            *(int16_t *)pValue = ReverbGetDecayHfRatio(pContext);
1616
1617            //LOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_HF_RATION Value is %d",
1618            //        *(int16_t *)pValue);
1619            break;
1620        case REVERB_PARAM_REVERB_LEVEL:
1621             *(int16_t *)pValue = ReverbGetReverbLevel(pContext);
1622
1623            //LOGV("\tReverb_getParameter() REVERB_PARAM_REVERB_LEVEL Value is %d",
1624            //        *(int16_t *)pValue);
1625            break;
1626        case REVERB_PARAM_DIFFUSION:
1627            *(int16_t *)pValue = ReverbGetDiffusion(pContext);
1628
1629            //LOGV("\tReverb_getParameter() REVERB_PARAM_DECAY_DIFFUSION Value is %d",
1630            //        *(int16_t *)pValue);
1631            break;
1632        case REVERB_PARAM_DENSITY:
1633            *(uint16_t *)pValue = 0;
1634            *(int16_t *)pValue = ReverbGetDensity(pContext);
1635            //LOGV("\tReverb_getParameter() REVERB_PARAM_DENSITY Value is %d",
1636            //        *(uint32_t *)pValue);
1637            break;
1638        case REVERB_PARAM_REFLECTIONS_LEVEL:
1639            *(uint16_t *)pValue = 0;
1640        case REVERB_PARAM_REFLECTIONS_DELAY:
1641            *(uint32_t *)pValue = 0;
1642        case REVERB_PARAM_REVERB_DELAY:
1643            *(uint32_t *)pValue = 0;
1644            break;
1645
1646        default:
1647            LOGV("\tLVM_ERROR : Reverb_getParameter() invalid param %d", param);
1648            status = -EINVAL;
1649            break;
1650    }
1651
1652    //LOGV("\tReverb_getParameter end");
1653    return status;
1654} /* end Reverb_getParameter */
1655
1656//----------------------------------------------------------------------------
1657// Reverb_setParameter()
1658//----------------------------------------------------------------------------
1659// Purpose:
1660// Set a Reverb parameter
1661//
1662// Inputs:
1663//  pContext         - handle to instance data
1664//  pParam           - pointer to parameter
1665//  pValue           - pointer to value
1666//
1667// Outputs:
1668//
1669//----------------------------------------------------------------------------
1670
1671int Reverb_setParameter (ReverbContext *pContext, void *pParam, void *pValue){
1672    int status = 0;
1673    int16_t level;
1674    int16_t ratio;
1675    uint32_t time;
1676    t_reverb_settings *pProperties;
1677    int32_t *pParamTemp = (int32_t *)pParam;
1678    int32_t param = *pParamTemp++;
1679
1680    //LOGV("\tReverb_setParameter start");
1681    if (pContext->preset) {
1682        if (param != REVERB_PARAM_PRESET) {
1683            return -EINVAL;
1684        }
1685
1686        uint16_t preset = *(uint16_t *)pValue;
1687        LOGV("set REVERB_PARAM_PRESET, preset %d", preset);
1688        if (preset > REVERB_PRESET_LAST) {
1689            return -EINVAL;
1690        }
1691        pContext->nextPreset = preset;
1692        return 0;
1693    }
1694
1695    switch (param){
1696        case REVERB_PARAM_PROPERTIES:
1697            LOGV("\tReverb_setParameter() REVERB_PARAM_PROPERTIES");
1698            pProperties = (t_reverb_settings *) pValue;
1699            ReverbSetRoomLevel(pContext, pProperties->roomLevel);
1700            ReverbSetRoomHfLevel(pContext, pProperties->roomHFLevel);
1701            ReverbSetDecayTime(pContext, pProperties->decayTime);
1702            ReverbSetDecayHfRatio(pContext, pProperties->decayHFRatio);
1703            ReverbSetReverbLevel(pContext, pProperties->reverbLevel);
1704            ReverbSetDiffusion(pContext, pProperties->diffusion);
1705            ReverbSetDensity(pContext, pProperties->density);
1706            break;
1707        case REVERB_PARAM_ROOM_LEVEL:
1708            level = *(int16_t *)pValue;
1709            //LOGV("\tReverb_setParameter() REVERB_PARAM_ROOM_LEVEL value is %d", level);
1710            //LOGV("\tReverb_setParameter() Calling ReverbSetRoomLevel");
1711            ReverbSetRoomLevel(pContext, level);
1712            //LOGV("\tReverb_setParameter() Called ReverbSetRoomLevel");
1713           break;
1714        case REVERB_PARAM_ROOM_HF_LEVEL:
1715            level = *(int16_t *)pValue;
1716            //LOGV("\tReverb_setParameter() REVERB_PARAM_ROOM_HF_LEVEL value is %d", level);
1717            //LOGV("\tReverb_setParameter() Calling ReverbSetRoomHfLevel");
1718            ReverbSetRoomHfLevel(pContext, level);
1719            //LOGV("\tReverb_setParameter() Called ReverbSetRoomHfLevel");
1720           break;
1721        case REVERB_PARAM_DECAY_TIME:
1722            time = *(uint32_t *)pValue;
1723            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_TIME value is %d", time);
1724            //LOGV("\tReverb_setParameter() Calling ReverbSetDecayTime");
1725            ReverbSetDecayTime(pContext, time);
1726            //LOGV("\tReverb_setParameter() Called ReverbSetDecayTime");
1727           break;
1728        case REVERB_PARAM_DECAY_HF_RATIO:
1729            ratio = *(int16_t *)pValue;
1730            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_HF_RATIO value is %d", ratio);
1731            //LOGV("\tReverb_setParameter() Calling ReverbSetDecayHfRatio");
1732            ReverbSetDecayHfRatio(pContext, ratio);
1733            //LOGV("\tReverb_setParameter() Called ReverbSetDecayHfRatio");
1734            break;
1735         case REVERB_PARAM_REVERB_LEVEL:
1736            level = *(int16_t *)pValue;
1737            //LOGV("\tReverb_setParameter() REVERB_PARAM_REVERB_LEVEL value is %d", level);
1738            //LOGV("\tReverb_setParameter() Calling ReverbSetReverbLevel");
1739            ReverbSetReverbLevel(pContext, level);
1740            //LOGV("\tReverb_setParameter() Called ReverbSetReverbLevel");
1741           break;
1742        case REVERB_PARAM_DIFFUSION:
1743            ratio = *(int16_t *)pValue;
1744            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DIFFUSION value is %d", ratio);
1745            //LOGV("\tReverb_setParameter() Calling ReverbSetDiffusion");
1746            ReverbSetDiffusion(pContext, ratio);
1747            //LOGV("\tReverb_setParameter() Called ReverbSetDiffusion");
1748            break;
1749        case REVERB_PARAM_DENSITY:
1750            ratio = *(int16_t *)pValue;
1751            //LOGV("\tReverb_setParameter() REVERB_PARAM_DECAY_DENSITY value is %d", ratio);
1752            //LOGV("\tReverb_setParameter() Calling ReverbSetDensity");
1753            ReverbSetDensity(pContext, ratio);
1754            //LOGV("\tReverb_setParameter() Called ReverbSetDensity");
1755            break;
1756           break;
1757        case REVERB_PARAM_REFLECTIONS_LEVEL:
1758        case REVERB_PARAM_REFLECTIONS_DELAY:
1759        case REVERB_PARAM_REVERB_DELAY:
1760            break;
1761        default:
1762            LOGV("\tLVM_ERROR : Reverb_setParameter() invalid param %d", param);
1763            break;
1764    }
1765
1766    //LOGV("\tReverb_setParameter end");
1767    return status;
1768} /* end Reverb_setParameter */
1769
1770} // namespace
1771} // namespace
1772
1773/* Effect Control Interface Implementation: Process */
1774extern "C" int Reverb_process(effect_interface_t   self,
1775                                 audio_buffer_t         *inBuffer,
1776                                 audio_buffer_t         *outBuffer){
1777    android::ReverbContext * pContext = (android::ReverbContext *) self;
1778    int    status = 0;
1779
1780    if (pContext == NULL){
1781        LOGV("\tLVM_ERROR : Reverb_process() ERROR pContext == NULL");
1782        return -EINVAL;
1783    }
1784    if (inBuffer == NULL  || inBuffer->raw == NULL  ||
1785            outBuffer == NULL || outBuffer->raw == NULL ||
1786            inBuffer->frameCount != outBuffer->frameCount){
1787        LOGV("\tLVM_ERROR : Reverb_process() ERROR NULL INPUT POINTER OR FRAME COUNT IS WRONG");
1788        return -EINVAL;
1789    }
1790    if (pContext->bEnabled == LVM_FALSE){
1791        if( pContext->SamplesToExitCount > 0){
1792            pContext->SamplesToExitCount -= outBuffer->frameCount;
1793        }else{
1794            LOGV("\tReverb_process() ERROR Effect is not enabled %d", pContext->SamplesToExitCount);
1795            return -ENODATA;
1796        }
1797    }
1798    //LOGV("\tReverb_process() Calling process with %d frames", outBuffer->frameCount);
1799    /* Process all the available frames, block processing is handled internalLY by the LVM bundle */
1800    status = process(    (LVM_INT16 *)inBuffer->raw,
1801                         (LVM_INT16 *)outBuffer->raw,
1802                                      outBuffer->frameCount,
1803                                      pContext);
1804
1805    return status;
1806}   /* end Reverb_process */
1807
1808/* Effect Control Interface Implementation: Command */
1809extern "C" int Reverb_command(effect_interface_t  self,
1810                              uint32_t            cmdCode,
1811                              uint32_t            cmdSize,
1812                              void                *pCmdData,
1813                              uint32_t            *replySize,
1814                              void                *pReplyData){
1815    android::ReverbContext * pContext = (android::ReverbContext *) self;
1816    int retsize;
1817    LVREV_ControlParams_st    ActiveParams;              /* Current control Parameters */
1818    LVREV_ReturnStatus_en     LvmStatus=LVREV_SUCCESS;     /* Function call status */
1819
1820
1821    if (pContext == NULL){
1822        LOGV("\tLVM_ERROR : Reverb_command ERROR pContext == NULL");
1823        return -EINVAL;
1824    }
1825
1826    //LOGV("\tReverb_command INPUTS are: command %d cmdSize %d",cmdCode, cmdSize);
1827
1828    switch (cmdCode){
1829        case EFFECT_CMD_INIT:
1830            //LOGV("\tReverb_command cmdCode Case: "
1831            //        "EFFECT_CMD_INIT start");
1832
1833            if (pReplyData == NULL || *replySize != sizeof(int)){
1834                LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1835                        "EFFECT_CMD_INIT: ERROR");
1836                return -EINVAL;
1837            }
1838            *(int *) pReplyData = 0;
1839            break;
1840
1841        case EFFECT_CMD_CONFIGURE:
1842            //LOGV("\tReverb_command cmdCode Case: "
1843            //        "EFFECT_CMD_CONFIGURE start");
1844            if (pCmdData    == NULL||
1845                cmdSize     != sizeof(effect_config_t)||
1846                pReplyData  == NULL||
1847                *replySize  != sizeof(int)){
1848                LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1849                        "EFFECT_CMD_CONFIGURE: ERROR");
1850                return -EINVAL;
1851            }
1852            *(int *) pReplyData = Reverb_configure(pContext, (effect_config_t *) pCmdData);
1853            break;
1854
1855        case EFFECT_CMD_RESET:
1856            //LOGV("\tReverb_command cmdCode Case: "
1857            //        "EFFECT_CMD_RESET start");
1858            Reverb_configure(pContext, &pContext->config);
1859            break;
1860
1861        case EFFECT_CMD_GET_PARAM:{
1862            //LOGV("\tReverb_command cmdCode Case: "
1863            //        "EFFECT_CMD_GET_PARAM start");
1864            if (pCmdData == NULL ||
1865                    cmdSize < (int)(sizeof(effect_param_t) + sizeof(int32_t)) ||
1866                    pReplyData == NULL ||
1867                    *replySize < (int) (sizeof(effect_param_t) + sizeof(int32_t))){
1868                LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1869                        "EFFECT_CMD_GET_PARAM: ERROR");
1870                return -EINVAL;
1871            }
1872            effect_param_t *p = (effect_param_t *)pCmdData;
1873
1874            memcpy(pReplyData, pCmdData, sizeof(effect_param_t) + p->psize);
1875
1876            p = (effect_param_t *)pReplyData;
1877
1878            int voffset = ((p->psize - 1) / sizeof(int32_t) + 1) * sizeof(int32_t);
1879
1880            p->status = android::Reverb_getParameter(pContext,
1881                                                         (void *)p->data,
1882                                                         (size_t  *)&p->vsize,
1883                                                          p->data + voffset);
1884
1885            *replySize = sizeof(effect_param_t) + voffset + p->vsize;
1886
1887            //LOGV("\tReverb_command EFFECT_CMD_GET_PARAM "
1888            //        "*pCmdData %d, *replySize %d, *pReplyData %d ",
1889            //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
1890            //        *replySize,
1891            //        *(int16_t *)((char *)pReplyData + sizeof(effect_param_t) + voffset));
1892
1893        } break;
1894        case EFFECT_CMD_SET_PARAM:{
1895
1896            //LOGV("\tReverb_command cmdCode Case: "
1897            //        "EFFECT_CMD_SET_PARAM start");
1898            //LOGV("\tReverb_command EFFECT_CMD_SET_PARAM param %d, *replySize %d, value %d ",
1899            //        *(int32_t *)((char *)pCmdData + sizeof(effect_param_t)),
1900            //        *replySize,
1901            //        *(int16_t *)((char *)pCmdData + sizeof(effect_param_t) + sizeof(int32_t)));
1902
1903            if (pCmdData == NULL || (cmdSize < (int)(sizeof(effect_param_t) + sizeof(int32_t)))
1904                    || pReplyData == NULL || *replySize != (int)sizeof(int32_t)) {
1905                LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1906                        "EFFECT_CMD_SET_PARAM: ERROR");
1907                return -EINVAL;
1908            }
1909
1910            effect_param_t *p = (effect_param_t *) pCmdData;
1911
1912            if (p->psize != sizeof(int32_t)){
1913                LOGV("\t4LVM_ERROR : Reverb_command cmdCode Case: "
1914                        "EFFECT_CMD_SET_PARAM: ERROR, psize is not sizeof(int32_t)");
1915                return -EINVAL;
1916            }
1917
1918            //LOGV("\tn5Reverb_command cmdSize is %d\n"
1919            //        "\tsizeof(effect_param_t) is  %d\n"
1920            //        "\tp->psize is %d\n"
1921            //        "\tp->vsize is %d"
1922            //        "\n",
1923            //        cmdSize, sizeof(effect_param_t), p->psize, p->vsize );
1924
1925            *(int *)pReplyData = android::Reverb_setParameter(pContext,
1926                                                             (void *)p->data,
1927                                                              p->data + p->psize);
1928        } break;
1929
1930        case EFFECT_CMD_ENABLE:
1931            //LOGV("\tReverb_command cmdCode Case: "
1932            //        "EFFECT_CMD_ENABLE start");
1933
1934            if (pReplyData == NULL || *replySize != sizeof(int)){
1935                LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1936                        "EFFECT_CMD_ENABLE: ERROR");
1937                return -EINVAL;
1938            }
1939            if(pContext->bEnabled == LVM_TRUE){
1940                 LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1941                         "EFFECT_CMD_ENABLE: ERROR-Effect is already enabled");
1942                 return -EINVAL;
1943             }
1944            *(int *)pReplyData = 0;
1945            pContext->bEnabled = LVM_TRUE;
1946            /* Get the current settings */
1947            LvmStatus = LVREV_GetControlParameters(pContext->hInstance, &ActiveParams);
1948            LVM_ERROR_CHECK(LvmStatus, "LVREV_GetControlParameters", "EFFECT_CMD_ENABLE")
1949            pContext->SamplesToExitCount =
1950                    (ActiveParams.T60 * pContext->config.inputCfg.samplingRate)/1000;
1951            //LOGV("\tEFFECT_CMD_ENABLE SamplesToExitCount = %d", pContext->SamplesToExitCount);
1952            break;
1953        case EFFECT_CMD_DISABLE:
1954            //LOGV("\tReverb_command cmdCode Case: "
1955            //        "EFFECT_CMD_DISABLE start");
1956
1957            if (pReplyData == NULL || *replySize != sizeof(int)){
1958                LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1959                        "EFFECT_CMD_DISABLE: ERROR");
1960                return -EINVAL;
1961            }
1962            if(pContext->bEnabled == LVM_FALSE){
1963                 LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1964                         "EFFECT_CMD_DISABLE: ERROR-Effect is not yet enabled");
1965                 return -EINVAL;
1966             }
1967            *(int *)pReplyData = 0;
1968            pContext->bEnabled = LVM_FALSE;
1969            break;
1970
1971        case EFFECT_CMD_SET_DEVICE:
1972        case EFFECT_CMD_SET_VOLUME:
1973        case EFFECT_CMD_SET_AUDIO_MODE:
1974        //LOGV("\tReverb_command cmdCode Case: "
1975        //        "EFFECT_CMD_SET_DEVICE/EFFECT_CMD_SET_VOLUME/EFFECT_CMD_SET_AUDIO_MODE start");
1976            break;
1977
1978        default:
1979            LOGV("\tLVM_ERROR : Reverb_command cmdCode Case: "
1980                    "DEFAULT start %d ERROR",cmdCode);
1981            return -EINVAL;
1982    }
1983
1984    //LOGV("\tReverb_command end\n\n");
1985    return 0;
1986}    /* end Reverb_command */
1987
1988// effect_interface_t interface implementation for Reverb effect
1989const struct effect_interface_s gReverbInterface = {
1990    Reverb_process,
1991    Reverb_command
1992};    /* end gReverbInterface */
1993
1994