/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/* AndroidEffectSend implementation */
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#include "sles_allinclusive.h"
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static SLresult IAndroidEffectSend_EnableEffectSend(SLAndroidEffectSendItf self,
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SLInterfaceID effectImplementationId, SLboolean enable, SLmillibel initialLevel)
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{
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SL_ENTER_INTERFACE
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//if (!((SL_MILLIBEL_MIN <= initialLevel) && (initialLevel <= 0))) {
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// comparison (SL_MILLIBEL_MIN <= initialLevel) is always true due to range of SLmillibel
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if (!(initialLevel <= 0)) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
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interface_lock_exclusive(thiz);
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// is SLAndroidEffectSendItf on an AudioPlayer?
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CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
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(CAudioPlayer *) thiz->mThis : NULL;
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if (NULL == ap) {
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SL_LOGE("invalid interface: not attached to an AudioPlayer");
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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// the initial send level set here is the total energy on the aux bus,
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// so it must take into account the player volume level
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result = android_fxSend_attachToAux(ap, effectImplementationId, enable,
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initialLevel + ap->mVolume.mLevel);
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if (SL_RESULT_SUCCESS == result) {
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// there currently is support for only one send bus, so there is a single send
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// level and a single enable flag
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thiz->mSendLevel = initialLevel;
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thiz->mEnabled = enable;
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}
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}
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interface_unlock_exclusive(thiz);
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}
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SL_LEAVE_INTERFACE
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}
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static SLresult IAndroidEffectSend_IsEnabled(SLAndroidEffectSendItf self,
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SLInterfaceID effectImplementationId, SLboolean *pEnable)
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{
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SL_ENTER_INTERFACE
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if (NULL == pEnable) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
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interface_lock_shared(thiz);
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// there currently is support for only one send bus, so there is a single enable flag
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SLboolean enable = thiz->mEnabled;
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interface_unlock_shared(thiz);
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*pEnable = enable;
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result = SL_RESULT_SUCCESS;
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}
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SL_LEAVE_INTERFACE
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}
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static SLresult IAndroidEffectSend_SetDirectLevel(SLAndroidEffectSendItf self,
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SLmillibel directLevel)
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{
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SL_ENTER_INTERFACE
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//if (!((SL_MILLIBEL_MIN <= directLevel) && (directLevel <= 0))) {
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// comparison (SL_MILLIBEL_MIN <= directLevel) is always true due to range of SLmillibel
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if (!(directLevel <= 0)) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
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interface_lock_exclusive(thiz);
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CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
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(CAudioPlayer *) thiz->mThis : NULL;
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if (NULL != ap) {
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SLmillibel oldDirectLevel = ap->mDirectLevel;
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if (oldDirectLevel != directLevel) {
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ap->mDirectLevel = directLevel;
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ap->mAmplFromDirectLevel = sles_to_android_amplification(directLevel);
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interface_unlock_exclusive_attributes(thiz, ATTR_GAIN);
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} else {
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interface_unlock_exclusive(thiz);
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}
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result = SL_RESULT_SUCCESS;
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} else {
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interface_unlock_exclusive(thiz);
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SL_LOGE("invalid interface: not attached to an AudioPlayer");
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result = SL_RESULT_PARAMETER_INVALID;
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}
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}
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SL_LEAVE_INTERFACE
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}
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static SLresult IAndroidEffectSend_GetDirectLevel(SLAndroidEffectSendItf self,
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SLmillibel *pDirectLevel)
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{
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SL_ENTER_INTERFACE
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if (NULL == pDirectLevel) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
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interface_lock_shared(thiz);
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CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
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(CAudioPlayer *) thiz->mThis : NULL;
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if (NULL != ap) {
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*pDirectLevel = ap->mDirectLevel;
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result = SL_RESULT_SUCCESS;
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} else {
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SL_LOGE("invalid interface: not attached to an AudioPlayer");
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result = SL_RESULT_PARAMETER_INVALID;
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}
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interface_unlock_shared(thiz);
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}
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SL_LEAVE_INTERFACE
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}
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static SLresult IAndroidEffectSend_SetSendLevel(SLAndroidEffectSendItf self,
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SLInterfaceID effectImplementationId, SLmillibel sendLevel)
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{
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SL_ENTER_INTERFACE
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//if (!((SL_MILLIBEL_MIN <= sendLevel) && (sendLevel <= 0))) {
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// comparison (SL_MILLIBEL_MIN <= sendLevel) is always true due to range of SLmillibel
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if (!(sendLevel <= 0)) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
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interface_lock_exclusive(thiz);
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// is SLAndroidEffectSendItf on an AudioPlayer?
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CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
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(CAudioPlayer *) thiz->mThis : NULL;
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if (NULL == ap) {
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SL_LOGE("invalid interface: not attached to an AudioPlayer");
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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COutputMix *outputMix = CAudioPlayer_GetOutputMix(ap);
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if (android_genericFx_hasEffect(&outputMix->mAndroidEffect, effectImplementationId)) {
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// the send level set here is the total energy on the aux bus, so it must take
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// into account the player volume level
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result = android_fxSend_setSendLevel(ap, sendLevel + ap->mVolume.mLevel);
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} else {
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SL_LOGE("trying to send to an effect not on this AudioPlayer's OutputMix");
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result = SL_RESULT_PARAMETER_INVALID;
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}
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if (SL_RESULT_SUCCESS == result) {
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// there currently is support for only one send bus, so there is a single send
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// level
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thiz->mSendLevel = sendLevel;
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}
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}
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interface_unlock_exclusive(thiz);
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}
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SL_LEAVE_INTERFACE
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}
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static SLresult IAndroidEffectSend_GetSendLevel(SLAndroidEffectSendItf self,
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SLInterfaceID effectImplementationId, SLmillibel *pSendLevel)
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{
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SL_ENTER_INTERFACE
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if (NULL == pSendLevel) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
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interface_lock_exclusive(thiz);
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// is SLAndroidEffectSendItf on an AudioPlayer?
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CAudioPlayer *ap = (SL_OBJECTID_AUDIOPLAYER == InterfaceToObjectID(thiz)) ?
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(CAudioPlayer *) thiz->mThis : NULL;
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if (NULL == ap) {
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SL_LOGE("invalid interface: not attached to an AudioPlayer");
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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COutputMix *outputMix = CAudioPlayer_GetOutputMix(ap);
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if (android_genericFx_hasEffect(&outputMix->mAndroidEffect, effectImplementationId)) {
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result = SL_RESULT_SUCCESS;
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} else {
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SL_LOGE("trying to retrieve send level on an effect not on this AudioPlayer's \
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OutputMix");
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result = SL_RESULT_PARAMETER_INVALID;
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}
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if (SL_RESULT_SUCCESS == result) {
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// there currently is support for only one send bus, so there is a single send
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// level
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*pSendLevel = thiz->mSendLevel;
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}
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}
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interface_unlock_exclusive(thiz);
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}
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SL_LEAVE_INTERFACE
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}
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static const struct SLAndroidEffectSendItf_ IAndroidEffectSend_Itf = {
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IAndroidEffectSend_EnableEffectSend,
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IAndroidEffectSend_IsEnabled,
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IAndroidEffectSend_SetDirectLevel,
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IAndroidEffectSend_GetDirectLevel,
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IAndroidEffectSend_SetSendLevel,
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IAndroidEffectSend_GetSendLevel
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};
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void IAndroidEffectSend_init(void *self)
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{
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IAndroidEffectSend *thiz = (IAndroidEffectSend *) self;
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thiz->mItf = &IAndroidEffectSend_Itf;
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thiz->mEnabled = SL_BOOLEAN_FALSE;
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thiz->mSendLevel = SL_MILLIBEL_MIN;
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}
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