blob: 70e22953020b689fb4c6ca54b2fd12884aa05cd7 [file] [log] [blame]
/*
* 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.
*/
/* Virtualizer implementation */
#include "sles_allinclusive.h"
#ifdef ANDROID
#include <audio_effects/effect_virtualizer.h>
#endif
#define VIRTUALIZER_STRENGTH_MIN 0
#define VIRTUALIZER_STRENGTH_MAX 1000
#if defined(ANDROID)
/**
* returns true if this interface is not associated with an initialized Virtualizer effect
*/
static inline bool NO_VIRTUALIZER(IVirtualizer* v) {
return (v->mVirtualizerEffect == 0);
}
#endif
static SLresult IVirtualizer_SetEnabled(SLVirtualizerItf self, SLboolean enabled)
{
SL_ENTER_INTERFACE
IVirtualizer *thiz = (IVirtualizer *) self;
interface_lock_exclusive(thiz);
thiz->mEnabled = (SLboolean) enabled;
#if !defined(ANDROID)
result = SL_RESULT_SUCCESS;
#else
if (NO_VIRTUALIZER(thiz)) {
result = SL_RESULT_CONTROL_LOST;
} else {
android::status_t status =
thiz->mVirtualizerEffect->setEnabled((bool) thiz->mEnabled);
result = android_fx_statusToResult(status);
}
#endif
interface_unlock_exclusive(thiz);
SL_LEAVE_INTERFACE
}
static SLresult IVirtualizer_IsEnabled(SLVirtualizerItf self, SLboolean *pEnabled)
{
SL_ENTER_INTERFACE
if (NULL == pEnabled) {
result = SL_RESULT_PARAMETER_INVALID;
} else {
IVirtualizer *thiz = (IVirtualizer *) self;
interface_lock_exclusive(thiz);
SLboolean enabled = thiz->mEnabled;
#if !defined(ANDROID)
*pEnabled = enabled;
result = SL_RESULT_SUCCESS;
#else
if (NO_VIRTUALIZER(thiz)) {
result = SL_RESULT_CONTROL_LOST;
} else {
*pEnabled = (SLboolean) thiz->mVirtualizerEffect->getEnabled();
result = SL_RESULT_SUCCESS;
}
#endif
interface_unlock_exclusive(thiz);
}
SL_LEAVE_INTERFACE
}
static SLresult IVirtualizer_SetStrength(SLVirtualizerItf self, SLpermille strength)
{
SL_ENTER_INTERFACE
if ((VIRTUALIZER_STRENGTH_MIN > strength) || (VIRTUALIZER_STRENGTH_MAX < strength)) {
result = SL_RESULT_PARAMETER_INVALID;
} else {
IVirtualizer *thiz = (IVirtualizer *) self;
interface_lock_exclusive(thiz);
#if !defined(ANDROID)
thiz->mStrength = strength;
result = SL_RESULT_SUCCESS;
#else
if (NO_VIRTUALIZER(thiz)) {
result = SL_RESULT_CONTROL_LOST;
} else {
android::status_t status = android_virt_setParam(thiz->mVirtualizerEffect,
VIRTUALIZER_PARAM_STRENGTH, &strength);
result = android_fx_statusToResult(status);
}
#endif
interface_unlock_exclusive(thiz);
}
SL_LEAVE_INTERFACE
}
static SLresult IVirtualizer_GetRoundedStrength(SLVirtualizerItf self, SLpermille *pStrength)
{
SL_ENTER_INTERFACE
if (NULL == pStrength) {
result = SL_RESULT_PARAMETER_INVALID;
} else {
IVirtualizer *thiz = (IVirtualizer *) self;
interface_lock_exclusive(thiz);
SLpermille strength = thiz->mStrength;;
#if !defined(ANDROID)
result = SL_RESULT_SUCCESS;
#else
if (NO_VIRTUALIZER(thiz)) {
result = SL_RESULT_CONTROL_LOST;
} else {
android::status_t status = android_virt_getParam(thiz->mVirtualizerEffect,
VIRTUALIZER_PARAM_STRENGTH, &strength);
result = android_fx_statusToResult(status);
}
#endif
interface_unlock_exclusive(thiz);
*pStrength = strength;
}
SL_LEAVE_INTERFACE
}
static SLresult IVirtualizer_IsStrengthSupported(SLVirtualizerItf self, SLboolean *pSupported)
{
SL_ENTER_INTERFACE
if (NULL == pSupported) {
result = SL_RESULT_PARAMETER_INVALID;
} else {
#if !defined(ANDROID)
*pSupported = SL_BOOLEAN_TRUE;
result = SL_RESULT_SUCCESS;
#else
IVirtualizer *thiz = (IVirtualizer *) self;
int32_t supported = 0;
interface_lock_exclusive(thiz);
if (NO_VIRTUALIZER(thiz)) {
result = SL_RESULT_CONTROL_LOST;
} else {
android::status_t status =
android_virt_getParam(thiz->mVirtualizerEffect,
VIRTUALIZER_PARAM_STRENGTH_SUPPORTED, &supported);
result = android_fx_statusToResult(status);
}
interface_unlock_exclusive(thiz);
*pSupported = (SLboolean) (supported != 0);
#endif
}
SL_LEAVE_INTERFACE
}
static const struct SLVirtualizerItf_ IVirtualizer_Itf = {
IVirtualizer_SetEnabled,
IVirtualizer_IsEnabled,
IVirtualizer_SetStrength,
IVirtualizer_GetRoundedStrength,
IVirtualizer_IsStrengthSupported
};
void IVirtualizer_init(void *self)
{
IVirtualizer *thiz = (IVirtualizer *) self;
thiz->mItf = &IVirtualizer_Itf;
thiz->mEnabled = SL_BOOLEAN_FALSE;
thiz->mStrength = 0;
#if defined(ANDROID)
memset(&thiz->mVirtualizerDescriptor, 0, sizeof(effect_descriptor_t));
// placement new (explicit constructor)
(void) new (&thiz->mVirtualizerEffect) android::sp<android::AudioEffect>();
#endif
}
void IVirtualizer_deinit(void *self)
{
#if defined(ANDROID)
IVirtualizer *thiz = (IVirtualizer *) self;
// explicit destructor
thiz->mVirtualizerEffect.~sp();
#endif
}
bool IVirtualizer_Expose(void *self)
{
#if defined(ANDROID)
IVirtualizer *thiz = (IVirtualizer *) self;
if (!android_fx_initEffectDescriptor(SL_IID_VIRTUALIZER, &thiz->mVirtualizerDescriptor)) {
SL_LOGE("Virtualizer initialization failed.");
return false;
}
#endif
return true;
}