/*
* Copyright (C) 2010 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "sles_allinclusive.h"
#include "math.h"
#include "utils/RefBase.h"
static const int EQUALIZER_PARAM_SIZE_MAX = sizeof(effect_param_t) + 2 * sizeof(int32_t)
+ EFFECT_STRING_LEN_MAX;
static const int BASSBOOST_PARAM_SIZE_MAX = sizeof(effect_param_t) + 2 * sizeof(int32_t);
static const int VIRTUALIZER_PARAM_SIZE_MAX = sizeof(effect_param_t) + 2 * sizeof(int32_t);
static const int ENVREVERB_PARAM_SIZE_MAX_SINGLE = sizeof(effect_param_t) + 2 * sizeof(int32_t);
static const int ENVREVERB_PARAM_SIZE_MAX_ALL = sizeof(effect_param_t) + sizeof(int32_t)
+ sizeof(s_reverb_settings);
static inline SLuint32 KEY_FROM_GUID(SLInterfaceID pUuid) {
return pUuid->time_low;
}
//-----------------------------------------------------------------------------
uint32_t eq_paramSize(int32_t param) {
uint32_t size;
switch (param) {
case EQ_PARAM_NUM_BANDS:
case EQ_PARAM_LEVEL_RANGE:
case EQ_PARAM_CUR_PRESET:
case EQ_PARAM_GET_NUM_OF_PRESETS:
size = sizeof(int32_t);
break;
case EQ_PARAM_BAND_LEVEL:
case EQ_PARAM_CENTER_FREQ:
case EQ_PARAM_BAND_FREQ_RANGE:
case EQ_PARAM_GET_BAND:
case EQ_PARAM_GET_PRESET_NAME:
size = 2 * sizeof(int32_t);
break;
default:
size = 2 * sizeof(int32_t);
SL_LOGE("Trying to use an unknown EQ parameter %d", param);
break;
}
return size;
}
uint32_t eq_valueSize(int32_t param) {
uint32_t size;
switch (param) {
case EQ_PARAM_NUM_BANDS:
case EQ_PARAM_CUR_PRESET:
case EQ_PARAM_GET_NUM_OF_PRESETS:
case EQ_PARAM_BAND_LEVEL:
case EQ_PARAM_GET_BAND:
size = sizeof(int16_t);
break;
case EQ_PARAM_LEVEL_RANGE:
size = 2 * sizeof(int16_t);
break;
case EQ_PARAM_CENTER_FREQ:
size = sizeof(int32_t);
break;
case EQ_PARAM_BAND_FREQ_RANGE:
size = 2 * sizeof(int32_t);
break;
case EQ_PARAM_GET_PRESET_NAME:
size = EFFECT_STRING_LEN_MAX;
break;
default:
size = sizeof(int32_t);
SL_LOGE("Trying to access an unknown EQ parameter %d", param);
break;
}
return size;
}
//-----------------------------------------------------------------------------
/**
* returns the size in bytes of the value of each bass boost parameter
*/
uint32_t bb_valueSize(int32_t param) {
uint32_t size;
switch (param) {
case BASSBOOST_PARAM_STRENGTH_SUPPORTED:
size = sizeof(int32_t);
break;
case BASSBOOST_PARAM_STRENGTH:
size = sizeof(int16_t);
break;
default:
size = sizeof(int32_t);
SL_LOGE("Trying to access an unknown BassBoost parameter %d", param);
break;
}
return size;
}
//-----------------------------------------------------------------------------
/**
* returns the size in bytes of the value of each virtualizer parameter
*/
uint32_t virt_valueSize(int32_t param) {
uint32_t size;
switch (param) {
case VIRTUALIZER_PARAM_STRENGTH_SUPPORTED:
size = sizeof(int32_t);
break;
case VIRTUALIZER_PARAM_STRENGTH:
size = sizeof(int16_t);
break;
default:
size = sizeof(int32_t);
SL_LOGE("Trying to access an unknown Virtualizer parameter %d", param);
break;
}
return size;
}
//-----------------------------------------------------------------------------
/**
* returns the size in bytes of the value of each environmental reverb parameter
*/
uint32_t erev_valueSize(int32_t param) {
uint32_t size;
switch (param) {
case REVERB_PARAM_ROOM_LEVEL:
case REVERB_PARAM_ROOM_HF_LEVEL:
case REVERB_PARAM_REFLECTIONS_LEVEL:
case REVERB_PARAM_REVERB_LEVEL:
size = sizeof(int16_t); // millibel
break;
case REVERB_PARAM_DECAY_TIME:
case REVERB_PARAM_REFLECTIONS_DELAY:
case REVERB_PARAM_REVERB_DELAY:
size = sizeof(uint32_t); // milliseconds
break;
case REVERB_PARAM_DECAY_HF_RATIO:
case REVERB_PARAM_DIFFUSION:
case REVERB_PARAM_DENSITY:
size = sizeof(int16_t); // permille
break;
case REVERB_PARAM_PROPERTIES:
size = sizeof(s_reverb_settings); // struct of all reverb properties
break;
default:
size = sizeof(int32_t);
SL_LOGE("Trying to access an unknown Environmental Reverb parameter %d", param);
break;
}
return size;
}
//-----------------------------------------------------------------------------
android::status_t android_eq_getParam(android::sp<android::AudioEffect> pFx,
int32_t param, int32_t param2, void *pValue)
{
android::status_t status;
uint32_t buf32[(EQUALIZER_PARAM_SIZE_MAX - 1) / sizeof(uint32_t) + 1];
effect_param_t *p = (effect_param_t *)buf32;
p->psize = eq_paramSize(param);
*(int32_t *)p->data = param;
if (p->psize == 2 * sizeof(int32_t)) {
*((int32_t *)p->data + 1) = param2;
}
p->vsize = eq_valueSize(param);
status = pFx->getParameter(p);
if (android::NO_ERROR == status) {
status = p->status;
if (android::NO_ERROR == status) {
memcpy(pValue, p->data + p->psize, p->vsize);
}
}
return status;
}
//-----------------------------------------------------------------------------
android::status_t android_eq_setParam(android::sp<android::AudioEffect> pFx,
int32_t param, int32_t param2, void *pValue)
{
android::status_t status;
uint32_t buf32[(EQUALIZER_PARAM_SIZE_MAX - 1) / sizeof(uint32_t) + 1];
effect_param_t *p = (effect_param_t *)buf32;
p->psize = eq_paramSize(param);
*(int32_t *)p->data = param;
if (p->psize == 2 * sizeof(int32_t)) {
*((int32_t *)p->data + 1) = param2;
}
p->vsize = eq_valueSize(param);
memcpy(p->data + p->psize, pValue, p->vsize);
status = pFx->setParameter(p);
if (android::NO_ERROR == status) {
status = p->status;
}
return status;
}
//-----------------------------------------------------------------------------
android::status_t android_bb_setParam(android::sp<android::AudioEffect> pFx,
int32_t param, void *pValue) {
return android_fx_setParam(pFx, param, BASSBOOST_PARAM_SIZE_MAX,
pValue, bb_valueSize(param));
}
//-----------------------------------------------------------------------------
android::status_t android_bb_getParam(android::sp<android::AudioEffect> pFx,
int32_t param, void *pValue) {
return android_fx_getParam(pFx, param, BASSBOOST_PARAM_SIZE_MAX,
pValue, bb_valueSize(param));
}
//-----------------------------------------------------------------------------
void android_bb_init(int sessionId, IBassBoost* ibb) {
SL_LOGV("session %d", sessionId);
if (!android_fx_initEffectObj(sessionId, ibb->mBassBoostEffect,
&ibb->mBassBoostDescriptor.type))
{
SL_LOGE("BassBoost effect initialization failed");
return;
}
// initialize strength
int16_t strength;
if (android::NO_ERROR == android_bb_getParam(ibb->mBassBoostEffect,
BASSBOOST_PARAM_STRENGTH, &strength)) {
ibb->mStrength = (SLpermille) strength;
}
}
//-----------------------------------------------------------------------------
void android_eq_init(int sessionId, IEqualizer* ieq) {
SL_LOGV("android_eq_init on session %d", sessionId);
if (!android_fx_initEffectObj(sessionId, ieq->mEqEffect, &ieq->mEqDescriptor.type)) {
SL_LOGE("Equalizer effect initialization failed");
return;
}
// initialize number of bands, band level range, and number of presets
uint16_t num = 0;
if (android::NO_ERROR == android_eq_getParam(ieq->mEqEffect, EQ_PARAM_NUM_BANDS, 0, &num)) {
ieq->mNumBands = num;
}
int16_t range[2] = {0, 0};
if (android::NO_ERROR == android_eq_getParam(ieq->mEqEffect, EQ_PARAM_LEVEL_RANGE, 0, range)) {
ieq->mBandLevelRangeMin = range[0];
ieq->mBandLevelRangeMax = range[1];
}
SL_LOGV(" EQ init: num bands = %u, band range=[%d %d]mB", num, range[0], range[1]);
// FIXME don't store presets names, they can be queried each time they're needed
// initialize preset number and names, store in IEngine
uint16_t numPresets = 0;
if (android::NO_ERROR == android_eq_getParam(ieq->mEqEffect,
EQ_PARAM_GET_NUM_OF_PRESETS, 0, &numPresets)) {
ieq->mThis->mEngine->mEqNumPresets = numPresets;
ieq->mNumPresets = numPresets;
}
interface_lock_exclusive(ieq->mThis->mEngine);
char name[EFFECT_STRING_LEN_MAX];
if ((0 < numPresets) && (NULL == ieq->mThis->mEngine->mEqPresetNames)) {
ieq->mThis->mEngine->mEqPresetNames = (char **)new char *[numPresets];
for(uint32_t i = 0 ; i < numPresets ; i++) {
if (android::NO_ERROR == android_eq_getParam(ieq->mEqEffect,
EQ_PARAM_GET_PRESET_NAME, i, name)) {
ieq->mThis->mEngine->mEqPresetNames[i] = new char[strlen(name) + 1];
strcpy(ieq->mThis->mEngine->mEqPresetNames[i], name);
SL_LOGV(" EQ init: presets = %u is %s", i, ieq->mThis->mEngine->mEqPresetNames[i]);
}
}
}
interface_unlock_exclusive(ieq->mThis->mEngine);
#if 0
// configure the EQ so it can easily be heard, for test only
uint32_t freq = 1977;
uint32_t frange[2];
int16_t value = ap->mEqualizer.mBandLevelRangeMin;
for(int32_t i=0 ; i< ap->mEqualizer.mNumBands ; i++) {
android_eq_setParam(ap->mEqualizer.mEqEffect, EQ_PARAM_BAND_LEVEL, i, &value);
// display EQ characteristics
android_eq_getParam(ap->mEqualizer.mEqEffect, EQ_PARAM_CENTER_FREQ, i, &freq);
android_eq_getParam(ap->mEqualizer.mEqEffect, EQ_PARAM_BAND_FREQ_RANGE, i, frange);
SL_LOGV(" EQ init: band %d = %d - %d - %dHz", i, frange[0]/1000, freq/1000,
frange[1]/1000);
}
value = ap->mEqualizer.mBandLevelRangeMax;
if (ap->mEqualizer.mNumBands > 2) {
android_eq_setParam(ap->mEqualizer.mEqEffect, EQ_PARAM_BAND_LEVEL, 2, &value);
}
if (ap->mEqualizer.mNumBands > 3) {
android_eq_setParam(ap->mEqualizer.mEqEffect, EQ_PARAM_BAND_LEVEL, 3, &value);
}
ap->mEqualizer.mEqEffect->setEnabled(true);
#endif
}
//-----------------------------------------------------------------------------
void android_virt_init(int sessionId, IVirtualizer* ivi) {
SL_LOGV("android_virt_init on session %d", sessionId);
if (!android_fx_initEffectObj(sessionId, ivi->mVirtualizerEffect,
&ivi->mVirtualizerDescriptor.type)) {
SL_LOGE("Virtualizer effect initialization failed");
return;
}
// initialize strength
int16_t strength;
if (android::NO_ERROR == android_virt_getParam(ivi->mVirtualizerEffect,
VIRTUALIZER_PARAM_STRENGTH, &strength)) {
ivi->mStrength = (SLpermille) strength;
}
}
//-----------------------------------------------------------------------------
android::status_t android_virt_setParam(android::sp<android::AudioEffect> pFx,
int32_t param, void *pValue) {
return android_fx_setParam(pFx, param, VIRTUALIZER_PARAM_SIZE_MAX,
pValue, virt_valueSize(param));
}
//-----------------------------------------------------------------------------
android::status_t android_virt_getParam(android::sp<android::AudioEffect> pFx,
int32_t param, void *pValue) {
return android_fx_getParam(pFx, param, VIRTUALIZER_PARAM_SIZE_MAX,
pValue, virt_valueSize(param));
}
//-----------------------------------------------------------------------------
void android_prev_init(IPresetReverb* ipr) {
SL_LOGV("session is implicitly %d (aux effect)", android::AudioSystem::SESSION_OUTPUT_MIX);
if (!android_fx_initEffectObj(android::AudioSystem::SESSION_OUTPUT_MIX /*sessionId*/,
ipr->mPresetReverbEffect, &ipr->mPresetReverbDescriptor.type)) {
SL_LOGE("PresetReverb effect initialization failed");
return;
}
// initialize preset
uint16_t preset;
if (android::NO_ERROR == android_prev_getPreset(ipr->mPresetReverbEffect, &preset)) {
ipr->mPreset = preset;
// enable the effect is it has a effective preset loaded
ipr->mPresetReverbEffect->setEnabled(SL_REVERBPRESET_NONE != preset);
}
}
//-----------------------------------------------------------------------------
android::status_t android_prev_setPreset(android::sp<android::AudioEffect> pFx, uint16_t preset) {
android::status_t status = android_fx_setParam(pFx, REVERB_PARAM_PRESET, sizeof(uint16_t),
&preset, sizeof(uint16_t));
// enable the effect if the preset is different from SL_REVERBPRESET_NONE
pFx->setEnabled(SL_REVERBPRESET_NONE != preset);
return status;
}
//-----------------------------------------------------------------------------
android::status_t android_prev_getPreset(android::sp<android::AudioEffect> pFx, uint16_t* preset) {
return android_fx_getParam(pFx, REVERB_PARAM_PRESET, sizeof(uint16_t), preset,
sizeof(uint16_t));
}
//-----------------------------------------------------------------------------
void android_erev_init(IEnvironmentalReverb* ier) {
SL_LOGV("session is implicitly %d (aux effect)", android::AudioSystem::SESSION_OUTPUT_MIX);
if (!android_fx_initEffectObj(android::AudioSystem::SESSION_OUTPUT_MIX /*sessionId*/,
ier->mEnvironmentalReverbEffect, &ier->mEnvironmentalReverbDescriptor.type)) {
SL_LOGE("EnvironmentalReverb effect initialization failed");
return;
}
// enable env reverb: other SL ES effects have an explicit SetEnabled() function, and the
// preset reverb state depends on the selected preset.
ier->mEnvironmentalReverbEffect->setEnabled(true);
// initialize reverb properties
SLEnvironmentalReverbSettings properties;
if (android::NO_ERROR == android_erev_getParam(ier->mEnvironmentalReverbEffect,
REVERB_PARAM_PROPERTIES, &properties)) {
ier->mProperties = properties;
}
}
//-----------------------------------------------------------------------------
android::status_t android_erev_setParam(android::sp<android::AudioEffect> pFx,
int32_t param, void *pValue) {
// given the size difference between a single reverb property and the whole set of reverb
// properties, select which max size to pass to avoid allocating too much memory
if (param == REVERB_PARAM_PROPERTIES) {
return android_fx_setParam(pFx, param, ENVREVERB_PARAM_SIZE_MAX_ALL,
pValue, erev_valueSize(param));
} else {
return android_fx_setParam(pFx, param, ENVREVERB_PARAM_SIZE_MAX_SINGLE,
pValue, erev_valueSize(param));
}
}
//-----------------------------------------------------------------------------
android::status_t android_erev_getParam(android::sp<android::AudioEffect> pFx,
int32_t param, void *pValue) {
// given the size difference between a single reverb property and the whole set of reverb
// properties, select which max size to pass to avoid allocating too much memory
if (param == REVERB_PARAM_PROPERTIES) {
return android_fx_getParam(pFx, param, ENVREVERB_PARAM_SIZE_MAX_ALL,
pValue, erev_valueSize(param));
} else {
return android_fx_getParam(pFx, param, ENVREVERB_PARAM_SIZE_MAX_SINGLE,
pValue, erev_valueSize(param));
}
}
//-----------------------------------------------------------------------------
android::status_t android_fxSend_attach(CAudioPlayer* ap, bool attach,
android::sp<android::AudioEffect> pFx, SLmillibel sendLevel) {
if (pFx == 0) {
return android::INVALID_OPERATION;
}
if (NULL == ap->mAudioTrack) {
// the player doesn't have an AudioTrack at the moment, so store this info to use it
// when the AudioTrack becomes available
if (attach) {
ap->mAuxEffect = pFx;
} else {
ap->mAuxEffect.clear();
}
// we keep track of the send level, independently of the current audio player level
ap->mAuxSendLevel = sendLevel - ap->mVolume.mLevel;
return android::NO_ERROR;
}
if (attach) {
android::status_t status = ap->mAudioTrack->attachAuxEffect(pFx->id());
//SL_LOGV("attachAuxEffect(%d) returned %d", pFx->id(), status);
if (android::NO_ERROR == status) {
status =
ap->mAudioTrack->setAuxEffectSendLevel( sles_to_android_amplification(sendLevel) );
}
return status;
} else {
return ap->mAudioTrack->attachAuxEffect(0);
}
}
//-----------------------------------------------------------------------------
/**
* pre-condition:
* ap != NULL
* ap->mOutputMix != NULL
*/
SLresult android_fxSend_attachToAux(CAudioPlayer* ap, SLInterfaceID pUuid, SLboolean attach,
SLmillibel sendLevel) {
COutputMix *outputMix = CAudioPlayer_GetOutputMix(ap);
ssize_t index = outputMix->mAndroidEffect.mEffects->indexOfKey(KEY_FROM_GUID(pUuid));
if (0 > index) {
SL_LOGE("invalid effect ID: no such effect attached to the OutputMix");
return SL_RESULT_PARAMETER_INVALID;
}
android::AudioEffect* pFx = outputMix->mAndroidEffect.mEffects->valueAt(index);
if (NULL == pFx) {
return SL_RESULT_RESOURCE_ERROR;
}
if (android::NO_ERROR == android_fxSend_attach( ap, (bool) attach, pFx, sendLevel) ) {
return SL_RESULT_SUCCESS;
} else {
return SL_RESULT_RESOURCE_ERROR;
}
}
//-----------------------------------------------------------------------------
android::status_t android_fxSend_setSendLevel(CAudioPlayer* ap, SLmillibel sendLevel) {
// we keep track of the send level, independently of the current audio player level
ap->mAuxSendLevel = sendLevel - ap->mVolume.mLevel;
if (NULL == ap->mAudioTrack) {
return android::NO_ERROR;
}
return ap->mAudioTrack->setAuxEffectSendLevel( sles_to_android_amplification(sendLevel) );
}
//-----------------------------------------------------------------------------
android::status_t android_fx_setParam(android::sp<android::AudioEffect> pFx,
int32_t param, uint32_t paramSizeMax, void *pValue, uint32_t valueSize)
{
android::status_t status;
uint32_t buf32[(paramSizeMax - 1) / sizeof(uint32_t) + 1];
effect_param_t *p = (effect_param_t *)buf32;
p->psize = sizeof(int32_t);
*(int32_t *)p->data = param;
p->vsize = valueSize;
memcpy(p->data + p->psize, pValue, p->vsize);
status = pFx->setParameter(p);
if (android::NO_ERROR == status) {
status = p->status;
}
return status;
}
//-----------------------------------------------------------------------------
android::status_t android_fx_getParam(android::sp<android::AudioEffect> pFx,
int32_t param, uint32_t paramSizeMax, void *pValue, uint32_t valueSize)
{
android::status_t status;
uint32_t buf32[(paramSizeMax - 1) / sizeof(uint32_t) + 1];
effect_param_t *p = (effect_param_t *)buf32;
p->psize = sizeof(int32_t);
*(int32_t *)p->data = param;
p->vsize = valueSize;
status = pFx->getParameter(p);
if (android::NO_ERROR == status) {
status = p->status;
if (android::NO_ERROR == status) {
memcpy(pValue, p->data + p->psize, p->vsize);
}
}
return status;
}
//-----------------------------------------------------------------------------
SLresult android_fx_statusToResult(android::status_t status) {
if ((android::INVALID_OPERATION == status) || (android::DEAD_OBJECT == status)) {
return SL_RESULT_CONTROL_LOST;
} else {
return SL_RESULT_SUCCESS;
}
}
//-----------------------------------------------------------------------------
bool android_fx_initEffectObj(int sessionId, android::sp<android::AudioEffect>& effect,
const effect_uuid_t *type) {
//SL_LOGV("android_fx_initEffectObj on session %d", sessionId);
effect = new android::AudioEffect(type, EFFECT_UUID_NULL,
0,// priority
0,// effect callback
0,// callback data
sessionId,// session ID
0 );// output
android::status_t status = effect->initCheck();
if (android::NO_ERROR != status) {
effect.clear();
SL_LOGE("Effect initCheck() returned %d", status);
return false;
}
return true;
}
//-----------------------------------------------------------------------------
bool android_fx_initEffectDescriptor(const SLInterfaceID effectId,
effect_descriptor_t* fxDescrLoc) {
uint32_t numEffects = 0;
effect_descriptor_t descriptor;
bool foundEffect = false;
// any effects?
android::status_t res = android::AudioEffect::queryNumberEffects(&numEffects);
if (android::NO_ERROR != res) {
SL_LOGE("unable to find any effects.");
goto effectError;
}
// request effect in the effects?
for (uint32_t i=0 ; i < numEffects ; i++) {
res = android::AudioEffect::queryEffect(i, &descriptor);
if ((android::NO_ERROR == res) &&
(0 == memcmp(effectId, &descriptor.type, sizeof(effect_uuid_t)))) {
SL_LOGV("found effect %d %s", i, descriptor.name);
foundEffect = true;
break;
}
}
if (foundEffect) {
memcpy(fxDescrLoc, &descriptor, sizeof(effect_descriptor_t));
} else {
SL_LOGE("unable to find an implementation for the requested effect.");
goto effectError;
}
return true;
effectError:
// the requested effect wasn't found
memset(fxDescrLoc, 0, sizeof(effect_descriptor_t));
return false;
}
//-----------------------------------------------------------------------------
SLresult android_genericFx_queryNumEffects(SLuint32 *pNumSupportedAudioEffects) {
if (NULL == pNumSupportedAudioEffects) {
return SL_RESULT_PARAMETER_INVALID;
}
android::status_t status =
android::AudioEffect::queryNumberEffects((uint32_t*)pNumSupportedAudioEffects);
SLresult result = SL_RESULT_SUCCESS;
switch(status) {
case android::NO_ERROR:
result = SL_RESULT_SUCCESS;
break;
case android::PERMISSION_DENIED:
result = SL_RESULT_PERMISSION_DENIED;
break;
case android::NO_INIT:
result = SL_RESULT_RESOURCE_ERROR;
break;
case android::BAD_VALUE:
result = SL_RESULT_PARAMETER_INVALID;
break;
default:
result = SL_RESULT_INTERNAL_ERROR;
SL_LOGE("received invalid status %d from AudioEffect::queryNumberEffects()", status);
break;
}
return result;
}
//-----------------------------------------------------------------------------
SLresult android_genericFx_queryEffect(SLuint32 index, effect_descriptor_t* pDescriptor) {
if (NULL == pDescriptor) {
return SL_RESULT_PARAMETER_INVALID;
}
android::status_t status =
android::AudioEffect::queryEffect(index, pDescriptor);
SLresult result = SL_RESULT_SUCCESS;
if (android::NO_ERROR != status) {
switch(status) {
case android::PERMISSION_DENIED:
result = SL_RESULT_PERMISSION_DENIED;
break;
case android::NO_INIT:
case android::INVALID_OPERATION:
result = SL_RESULT_RESOURCE_ERROR;
break;
case android::BAD_VALUE:
result = SL_RESULT_PARAMETER_INVALID;
break;
default:
result = SL_RESULT_INTERNAL_ERROR;
SL_LOGE("received invalid status %d from AudioEffect::queryNumberEffects()", status);
break;
}
// an error occurred, reset the effect descriptor
memset(pDescriptor, 0, sizeof(effect_descriptor_t));
}
return result;
}
//-----------------------------------------------------------------------------
SLresult android_genericFx_createEffect(IAndroidEffect* iae, SLInterfaceID pUuid, int sessionId) {
SLresult result = SL_RESULT_SUCCESS;
// does this effect already exist?
if (0 <= iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid))) {
return result;
}
// create new effect
android::AudioEffect* pFx = new android::AudioEffect(
NULL, // not using type to create effect
(const effect_uuid_t*)pUuid,
0,// priority
0,// effect callback
0,// callback data
sessionId,
0 );// output
// verify effect was successfully created before storing it
android::status_t status = pFx->initCheck();
if (android::NO_ERROR != status) {
SL_LOGE("AudioEffect initCheck() returned %d, effect will not be stored", status);
delete pFx;
result = SL_RESULT_RESOURCE_ERROR;
} else {
SL_LOGV("AudioEffect successfully created on session %d", sessionId);
iae->mEffects->add(KEY_FROM_GUID(pUuid), pFx);
}
return result;
}
//-----------------------------------------------------------------------------
SLresult android_genericFx_releaseEffect(IAndroidEffect* iae, SLInterfaceID pUuid) {
ssize_t index = iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid));
if (0 > index) {
return SL_RESULT_PARAMETER_INVALID;
} else {
android::AudioEffect* pFx = iae->mEffects->valueAt(index);
delete pFx;
iae->mEffects->removeItem(index);
return SL_RESULT_SUCCESS;
}
}
//-----------------------------------------------------------------------------
SLresult android_genericFx_setEnabled(IAndroidEffect* iae, SLInterfaceID pUuid, SLboolean enabled) {
ssize_t index = iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid));
if (0 > index) {
return SL_RESULT_PARAMETER_INVALID;
} else {
android::AudioEffect* pFx = iae->mEffects->valueAt(index);
android::status_t status = pFx->setEnabled(SL_BOOLEAN_TRUE == enabled);
return android_fx_statusToResult(status);
}
}
//-----------------------------------------------------------------------------
SLresult android_genericFx_isEnabled(IAndroidEffect* iae, SLInterfaceID pUuid, SLboolean *pEnabled)
{
ssize_t index = iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid));
if (0 > index) {
return SL_RESULT_PARAMETER_INVALID;
} else {
android::AudioEffect* pFx = iae->mEffects->valueAt(index);
*pEnabled = (SLboolean) pFx->getEnabled();
return SL_RESULT_SUCCESS;
}
}
//-----------------------------------------------------------------------------
SLresult android_genericFx_sendCommand(IAndroidEffect* iae, SLInterfaceID pUuid,
SLuint32 command, SLuint32 commandSize, void* pCommandData,
SLuint32 *replySize, void *pReplyData) {
ssize_t index = iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid));
if (0 > index) {
return SL_RESULT_PARAMETER_INVALID;
} else {
android::AudioEffect* pFx = iae->mEffects->valueAt(index);
android::status_t status = pFx->command(
(uint32_t) command,
(uint32_t) commandSize,
pCommandData,
(uint32_t*)replySize,
pReplyData);
if (android::BAD_VALUE == status) {
return SL_RESULT_PARAMETER_INVALID;
} else {
return SL_RESULT_SUCCESS;
}
}
}
//-----------------------------------------------------------------------------
/**
* returns true if the given effect id is present in the AndroidEffect interface
*/
bool android_genericFx_hasEffect(IAndroidEffect* iae, SLInterfaceID pUuid) {
return( 0 <= iae->mEffects->indexOfKey(KEY_FROM_GUID(pUuid)));
}