/*
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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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/* Android Effect Capabilities implementation */
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#include "sles_allinclusive.h"
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static SLresult IAndroidEffectCapabilities_QueryNumEffects(SLAndroidEffectCapabilitiesItf self,
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SLuint32 * pNumSupportedAudioEffects) {
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SL_ENTER_INTERFACE
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if (NULL == pNumSupportedAudioEffects) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
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interface_lock_shared(thiz);
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*pNumSupportedAudioEffects = thiz->mNumFx;
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result = SL_RESULT_SUCCESS;
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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 IAndroidEffectCapabilities_QueryEffect(SLAndroidEffectCapabilitiesItf self,
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SLuint32 index, SLInterfaceID *pEffectType, SLInterfaceID *pEffectImplementation,
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SLchar * pName, SLuint16 *pNameSize) {
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SL_ENTER_INTERFACE
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IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
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if (index > thiz->mNumFx) {
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result = SL_RESULT_PARAMETER_INVALID;
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} else {
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interface_lock_shared(thiz);
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if (NULL != pEffectType) {
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*pEffectType = (SLInterfaceID) &thiz->mFxDescriptors[index].type;
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}
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if (NULL != pEffectImplementation) {
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*pEffectImplementation = (SLInterfaceID) &thiz->mFxDescriptors[index].uuid;
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}
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if ((NULL != pName) && (0 < *pNameSize)) {
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int len = strlen(thiz->mFxDescriptors[index].name);
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strncpy((char*)pName, thiz->mFxDescriptors[index].name,
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*pNameSize > len ? len : *pNameSize );
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*pNameSize = len;
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}
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interface_unlock_shared(thiz);
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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 const struct SLAndroidEffectCapabilitiesItf_ IAndroidEffectCapabilities_Itf = {
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IAndroidEffectCapabilities_QueryNumEffects,
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IAndroidEffectCapabilities_QueryEffect
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};
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void IAndroidEffectCapabilities_init(void *self)
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{
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IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
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thiz->mItf = &IAndroidEffectCapabilities_Itf;
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// This is the default initialization; fields will be updated when interface is exposed
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thiz->mNumFx = 0;
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thiz->mFxDescriptors = NULL;
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}
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bool IAndroidEffectCapabilities_Expose(void *self)
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{
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IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
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SLuint32 numEffects = 0;
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SLresult result = android_genericFx_queryNumEffects(&numEffects);
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if (SL_RESULT_SUCCESS != result) {
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SL_LOGE("android_genericFx_queryNumEffects %u", result);
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return false;
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}
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thiz->mNumFx = numEffects;
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SL_LOGV("Effect Capabilities has %d effects", thiz->mNumFx);
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if (thiz->mNumFx > 0) {
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thiz->mFxDescriptors = (effect_descriptor_t*) new effect_descriptor_t[thiz->mNumFx];
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for (SLuint32 i = 0 ; i < thiz->mNumFx ; i++) {
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SLresult result2;
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result2 = android_genericFx_queryEffect(i, &thiz->mFxDescriptors[i]);
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if (SL_RESULT_SUCCESS != result2) {
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SL_LOGE("Error (SLresult is %d) querying effect %d", result2, i);
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// Remember the first failing result code, but keep going
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if (SL_RESULT_SUCCESS == result) {
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result = result2;
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}
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} else {
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SL_LOGV("effect %d: type=%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x name=%s",
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i,
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thiz->mFxDescriptors[i].type.timeLow,
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thiz->mFxDescriptors[i].type.timeMid,
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thiz->mFxDescriptors[i].type.timeHiAndVersion,
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thiz->mFxDescriptors[i].type.clockSeq,
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thiz->mFxDescriptors[i].type.node[0],
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thiz->mFxDescriptors[i].type.node[1],
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thiz->mFxDescriptors[i].type.node[2],
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thiz->mFxDescriptors[i].type.node[3],
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thiz->mFxDescriptors[i].type.node[4],
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thiz->mFxDescriptors[i].type.node[5],
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thiz->mFxDescriptors[i].name);
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}
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}
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}
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return SL_RESULT_SUCCESS == result;
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}
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void IAndroidEffectCapabilities_deinit(void *self)
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{
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IAndroidEffectCapabilities *thiz = (IAndroidEffectCapabilities *) self;
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// free effect library data
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if (NULL != thiz->mFxDescriptors) {
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delete[] thiz->mFxDescriptors;
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thiz->mFxDescriptors = NULL;
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}
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}
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