AudioEffect.cpp revision a0d68338a88c2ddb4502f95017b546d603ef1ec7
1801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent/* 2801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** 3801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** Copyright 2010, The Android Open Source Project 4801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** 5801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** Licensed under the Apache License, Version 2.0 (the "License"); 6801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** you may not use this file except in compliance with the License. 7801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** You may obtain a copy of the License at 8801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** 9801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** http://www.apache.org/licenses/LICENSE-2.0 10801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** 11801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** Unless required by applicable law or agreed to in writing, software 12801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** distributed under the License is distributed on an "AS IS" BASIS, 13801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** See the License for the specific language governing permissions and 15801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent** limitations under the License. 16801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent*/ 17801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 18801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 19801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent//#define LOG_NDEBUG 0 20801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent#define LOG_TAG "AudioEffect" 21801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 22801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent#include <stdint.h> 23801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent#include <sys/types.h> 24801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent#include <limits.h> 25801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 26801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent#include <private/media/AudioEffectShared.h> 27801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent#include <media/AudioEffect.h> 28801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 29801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent#include <utils/Log.h> 30801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent#include <binder/IPCThreadState.h> 31801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 32801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 33801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 34801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentnamespace android { 35801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 36801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent// --------------------------------------------------------------------------- 37801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 38801a1186eb1d2ce195b15222701865932e08f3dcEric LaurentAudioEffect::AudioEffect() 39801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent : mStatus(NO_INIT) 40801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 41801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 42801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 43801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 44801a1186eb1d2ce195b15222701865932e08f3dcEric LaurentAudioEffect::AudioEffect(const effect_uuid_t *type, 45801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent const effect_uuid_t *uuid, 46801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int32_t priority, 47801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent effect_callback_t cbf, 48801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent void* user, 49801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int sessionId, 507c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io 51801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent ) 52801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent : mStatus(NO_INIT) 53801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 547c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mStatus = set(type, uuid, priority, cbf, user, sessionId, io); 55801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 56801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 57801a1186eb1d2ce195b15222701865932e08f3dcEric LaurentAudioEffect::AudioEffect(const char *typeStr, 58801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent const char *uuidStr, 59801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int32_t priority, 60801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent effect_callback_t cbf, 61801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent void* user, 62801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int sessionId, 637c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io 64801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent ) 65801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent : mStatus(NO_INIT) 66801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 67801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent effect_uuid_t type; 68801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent effect_uuid_t *pType = NULL; 69801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent effect_uuid_t uuid; 70801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent effect_uuid_t *pUuid = NULL; 71801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 723856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Constructor string\n - type: %s\n - uuid: %s", typeStr, uuidStr); 73801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 74801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (typeStr != NULL) { 75801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (stringToGuid(typeStr, &type) == NO_ERROR) { 76801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent pType = &type; 77801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 78801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 79801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 80801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (uuidStr != NULL) { 81801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (stringToGuid(uuidStr, &uuid) == NO_ERROR) { 82801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent pUuid = &uuid; 83801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 84801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 85801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 867c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mStatus = set(pType, pUuid, priority, cbf, user, sessionId, io); 87801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 88801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 89801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::set(const effect_uuid_t *type, 90801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent const effect_uuid_t *uuid, 91801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int32_t priority, 92801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent effect_callback_t cbf, 93801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent void* user, 94801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int sessionId, 957c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent audio_io_handle_t io) 96801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 97801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent sp<IEffect> iEffect; 98801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent sp<IMemory> cblk; 99801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int enabled; 100801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 1013856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("set %p mUserData: %p uuid: %p timeLow %08x", this, user, type, type ? type->timeLow : 0); 102801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 103801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mIEffect != 0) { 1045ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("Effect already in use"); 105801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return INVALID_OPERATION; 106801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 107801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 108801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent const sp<IAudioFlinger>& audioFlinger = AudioSystem::get_audio_flinger(); 109801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (audioFlinger == 0) { 11029357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("set(): Could not get audioflinger"); 111801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return NO_INIT; 112801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 113801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 114801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (type == NULL && uuid == NULL) { 1155ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("Must specify at least type or uuid"); 116801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return BAD_VALUE; 117801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 118801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 119801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mPriority = priority; 120801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCbf = cbf; 121801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mUserData = user; 122801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mSessionId = sessionId; 123801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 124801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent memset(&mDescriptor, 0, sizeof(effect_descriptor_t)); 125801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent memcpy(&mDescriptor.type, EFFECT_UUID_NULL, sizeof(effect_uuid_t)); 126801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent memcpy(&mDescriptor.uuid, EFFECT_UUID_NULL, sizeof(effect_uuid_t)); 127801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 128801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (type != NULL) { 129801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent memcpy(&mDescriptor.type, type, sizeof(effect_uuid_t)); 130801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 131801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (uuid != NULL) { 132801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent memcpy(&mDescriptor.uuid, uuid, sizeof(effect_uuid_t)); 133801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 134801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 135801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mIEffectClient = new EffectClient(this); 136801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 137801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent iEffect = audioFlinger->createEffect(getpid(), (effect_descriptor_t *)&mDescriptor, 1387c7f10bd4fda9a084e5e7f0eb3a040dfcbf01745Eric Laurent mIEffectClient, priority, io, mSessionId, &mStatus, &mId, &enabled); 139801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 140801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (iEffect == 0 || (mStatus != NO_ERROR && mStatus != ALREADY_EXISTS)) { 14129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("set(): AudioFlinger could not create effect, status: %d", mStatus); 142801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return mStatus; 143801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 144801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 145801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mEnabled = (volatile int32_t)enabled; 146801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 147801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mIEffect = iEffect; 148801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent cblk = iEffect->getCblk(); 149801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (cblk == 0) { 150801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mStatus = NO_INIT; 15129357bc2c0dd7c43ad3bd0c8e3efa4e6fd9bfd47Steve Block ALOGE("Could not get control block"); 152801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return mStatus; 153801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 154801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 155801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mIEffect = iEffect; 156801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCblkMemory = cblk; 157801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCblk = static_cast<effect_param_cblk_t*>(cblk->pointer()); 158801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int bufOffset = ((sizeof(effect_param_cblk_t) - 1) / sizeof(int) + 1) * sizeof(int); 159801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCblk->buffer = (uint8_t *)mCblk + bufOffset; 160801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 161801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent iEffect->asBinder()->linkToDeath(mIEffectClient); 1623856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("set() %p OK effect: %s id: %d status %d enabled %d, ", this, mDescriptor.name, mId, mStatus, mEnabled); 163801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 164801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return mStatus; 165801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 166801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 167801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 168801a1186eb1d2ce195b15222701865932e08f3dcEric LaurentAudioEffect::~AudioEffect() 169801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 1703856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("Destructor %p", this); 171801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 172801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus == NO_ERROR || mStatus == ALREADY_EXISTS) { 173801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mIEffect != NULL) { 174801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mIEffect->disconnect(); 175801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mIEffect->asBinder()->unlinkToDeath(mIEffectClient); 176801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 177801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent IPCThreadState::self()->flushCommands(); 178801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 179801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mIEffect.clear(); 180801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mIEffectClient.clear(); 181801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCblkMemory.clear(); 182801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 183801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 184801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 185801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::initCheck() const 186801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 187801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return mStatus; 188801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 189801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 190801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent// ------------------------------------------------------------------------- 191801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 192801a1186eb1d2ce195b15222701865932e08f3dcEric Laurenteffect_descriptor_t AudioEffect::descriptor() const 193801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 194801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return mDescriptor; 195801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 196801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 197da7581b7b61b84f15e8d671c86fd117c322b009eEric Laurentbool AudioEffect::getEnabled() const 198801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 199801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return (mEnabled != 0); 200801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 201801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 202da7581b7b61b84f15e8d671c86fd117c322b009eEric Laurentstatus_t AudioEffect::setEnabled(bool enabled) 203801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 204801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus != NO_ERROR) { 205801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return INVALID_OPERATION; 206801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 207801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 208f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent status_t status = NO_ERROR; 209f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent 210f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent AutoMutex lock(mLock); 211f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (enabled != mEnabled) { 212f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (enabled) { 2133856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("enable %p", this); 214f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent status = mIEffect->enable(); 215f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent } else { 2163856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("disable %p", this); 217f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent status = mIEffect->disable(); 218da7581b7b61b84f15e8d671c86fd117c322b009eEric Laurent } 219f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (status == NO_ERROR) { 220f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mEnabled = enabled; 221da7581b7b61b84f15e8d671c86fd117c322b009eEric Laurent } 222801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 223f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent return status; 224801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 225801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 22625f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurentstatus_t AudioEffect::command(uint32_t cmdCode, 22725f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent uint32_t cmdSize, 22825f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent void *cmdData, 22925f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent uint32_t *replySize, 23025f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent void *replyData) 231801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 232801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus != NO_ERROR && mStatus != ALREADY_EXISTS) { 2333856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("command() bad status %d", mStatus); 234801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return INVALID_OPERATION; 235801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 236801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 237f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (cmdCode == EFFECT_CMD_ENABLE || cmdCode == EFFECT_CMD_DISABLE) { 238f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (mEnabled == (cmdCode == EFFECT_CMD_ENABLE)) { 239f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent return NO_ERROR; 240f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent } 241f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (replySize == NULL || *replySize != sizeof(status_t) || replyData == NULL) { 242f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent return BAD_VALUE; 243f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent } 244f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mLock.lock(); 2458569f0d3bf4c6787707e348a7cf73b9c4199cb32Eric Laurent } 2460fa449cc475580d995e9d56756c3da5507d2b6f6Eric Laurent 2470fa449cc475580d995e9d56756c3da5507d2b6f6Eric Laurent status_t status = mIEffect->command(cmdCode, cmdSize, cmdData, replySize, replyData); 2488569f0d3bf4c6787707e348a7cf73b9c4199cb32Eric Laurent 2490fa449cc475580d995e9d56756c3da5507d2b6f6Eric Laurent if (cmdCode == EFFECT_CMD_ENABLE || cmdCode == EFFECT_CMD_DISABLE) { 250f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (status == NO_ERROR) { 251f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent status = *(status_t *)replyData; 2520fa449cc475580d995e9d56756c3da5507d2b6f6Eric Laurent } 253f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent if (status == NO_ERROR) { 254f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mEnabled = (cmdCode == EFFECT_CMD_ENABLE); 2550fa449cc475580d995e9d56756c3da5507d2b6f6Eric Laurent } 256f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mLock.unlock(); 2578569f0d3bf4c6787707e348a7cf73b9c4199cb32Eric Laurent } 2580fa449cc475580d995e9d56756c3da5507d2b6f6Eric Laurent 2598569f0d3bf4c6787707e348a7cf73b9c4199cb32Eric Laurent return status; 260801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 261801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 262801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 263801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::setParameter(effect_param_t *param) 264801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 265801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus != NO_ERROR) { 266801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return INVALID_OPERATION; 267801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 268801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 269801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (param == NULL || param->psize == 0 || param->vsize == 0) { 270801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return BAD_VALUE; 271801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 272801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 27325f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent uint32_t size = sizeof(int); 27425f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent uint32_t psize = ((param->psize - 1) / sizeof(int) + 1) * sizeof(int) + param->vsize; 275801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 2763856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("setParameter: param: %d, param2: %d", *(int *)param->data, (param->psize == 8) ? *((int *)param->data + 1): -1); 277801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 278801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return mIEffect->command(EFFECT_CMD_SET_PARAM, sizeof (effect_param_t) + psize, param, &size, ¶m->status); 279801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 280801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 281801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::setParameterDeferred(effect_param_t *param) 282801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 283801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus != NO_ERROR) { 284801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return INVALID_OPERATION; 285801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 286801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 287801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (param == NULL || param->psize == 0 || param->vsize == 0) { 288801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return BAD_VALUE; 289801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 290801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 291801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent Mutex::Autolock _l(mCblk->lock); 292801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 293801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int psize = ((param->psize - 1) / sizeof(int) + 1) * sizeof(int) + param->vsize; 294801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int size = ((sizeof(effect_param_t) + psize - 1) / sizeof(int) + 1) * sizeof(int); 295801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 296801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mCblk->clientIndex + size > EFFECT_PARAM_BUFFER_SIZE) { 297801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return NO_MEMORY; 298801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 299801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int *p = (int *)(mCblk->buffer + mCblk->clientIndex); 300801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent *p++ = size; 301801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent memcpy(p, param, sizeof(effect_param_t) + psize); 302801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCblk->clientIndex += size; 303801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 304801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return NO_ERROR; 305801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 306801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 307801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::setParameterCommit() 308801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 309801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus != NO_ERROR) { 310801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return INVALID_OPERATION; 311801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 312801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 313801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent Mutex::Autolock _l(mCblk->lock); 314801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mCblk->clientIndex == 0) { 315801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return INVALID_OPERATION; 316801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 31725f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent uint32_t size = 0; 318801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return mIEffect->command(EFFECT_CMD_SET_PARAM_COMMIT, 0, NULL, &size, NULL); 319801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 320801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 321801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::getParameter(effect_param_t *param) 322801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 323801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus != NO_ERROR && mStatus != ALREADY_EXISTS) { 324801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return INVALID_OPERATION; 325801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 326801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 327801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (param == NULL || param->psize == 0 || param->vsize == 0) { 328801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return BAD_VALUE; 329801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 330801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 3313856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("getParameter: param: %d, param2: %d", *(int *)param->data, (param->psize == 8) ? *((int *)param->data + 1): -1); 332801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 33325f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent uint32_t psize = sizeof(effect_param_t) + ((param->psize - 1) / sizeof(int) + 1) * sizeof(int) + param->vsize; 334801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 335801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return mIEffect->command(EFFECT_CMD_GET_PARAM, sizeof(effect_param_t) + param->psize, param, &psize, param); 336801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 337801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 338801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 339801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent// ------------------------------------------------------------------------- 340801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 341801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentvoid AudioEffect::binderDied() 342801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 3435ff1dd576bb93c45b44088a51544a18fc43ebf58Steve Block ALOGW("IEffect died"); 344801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mStatus = NO_INIT; 345a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf != NULL) { 346801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent status_t status = DEAD_OBJECT; 347801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCbf(EVENT_ERROR, mUserData, &status); 348801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 349801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mIEffect.clear(); 350801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 351801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 352801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent// ------------------------------------------------------------------------- 353801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 354801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentvoid AudioEffect::controlStatusChanged(bool controlGranted) 355801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 3563856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("controlStatusChanged %p control %d callback %p mUserData %p", this, controlGranted, mCbf, mUserData); 357801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (controlGranted) { 358801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus == ALREADY_EXISTS) { 359801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mStatus = NO_ERROR; 360801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 361801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } else { 362801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus == NO_ERROR) { 363801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mStatus = ALREADY_EXISTS; 364801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 365801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 366a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf != NULL) { 367801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCbf(EVENT_CONTROL_STATUS_CHANGED, mUserData, &controlGranted); 368801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 369801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 370801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 371801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentvoid AudioEffect::enableStatusChanged(bool enabled) 372801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 3733856b090cd04ba5dd4a59a12430ed724d5995909Steve Block ALOGV("enableStatusChanged %p enabled %d mCbf %p", this, enabled, mCbf); 374801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (mStatus == ALREADY_EXISTS) { 375f5aafb209d01ba2ab6cb55d1a12cfc653e2b4be0Eric Laurent mEnabled = enabled; 376a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf != NULL) { 377801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCbf(EVENT_ENABLE_STATUS_CHANGED, mUserData, &enabled); 378801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 379801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 380801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 381801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 38225f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurentvoid AudioEffect::commandExecuted(uint32_t cmdCode, 38325f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent uint32_t cmdSize, 38425f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent void *cmdData, 38525f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent uint32_t replySize, 38625f4395b932fa9859a6e91ba77c5d20d009da64aEric Laurent void *replyData) 387801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 388801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (cmdData == NULL || replyData == NULL) { 389801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return; 390801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 391801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 392a0d68338a88c2ddb4502f95017b546d603ef1ec7Glenn Kasten if (mCbf != NULL && cmdCode == EFFECT_CMD_SET_PARAM) { 393801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent effect_param_t *cmd = (effect_param_t *)cmdData; 394801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent cmd->status = *(int32_t *)replyData; 395801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent mCbf(EVENT_PARAMETER_CHANGED, mUserData, cmd); 396801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 397801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 398801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 399801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent// ------------------------------------------------------------------------- 400801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 401801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::queryNumberEffects(uint32_t *numEffects) 402801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 403801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 404801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (af == 0) return PERMISSION_DENIED; 405801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return af->queryNumberEffects(numEffects); 406801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 407801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 408ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurentstatus_t AudioEffect::queryEffect(uint32_t index, effect_descriptor_t *descriptor) 409801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 410801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 411801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (af == 0) return PERMISSION_DENIED; 412ffe9c25ce85e1af55d58ec025adc6367d70db7e8Eric Laurent return af->queryEffect(index, descriptor); 413801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 414801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 415801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::getEffectDescriptor(effect_uuid_t *uuid, effect_descriptor_t *descriptor) 416801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 417801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger(); 418801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (af == 0) return PERMISSION_DENIED; 419801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return af->getEffectDescriptor(uuid, descriptor); 420801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 421801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 42257dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurent 42357dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurentstatus_t AudioEffect::queryDefaultPreProcessing(int audioSession, 42457dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurent effect_descriptor_t *descriptors, 42557dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurent uint32_t *count) 42657dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurent{ 42757dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurent const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service(); 42857dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurent if (aps == 0) return PERMISSION_DENIED; 42957dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurent return aps->queryDefaultPreProcessing(audioSession, descriptors, count); 43057dae99c9fcd6becd2b5ed0c53f277ba4d7dbcfcEric Laurent} 431801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent// ------------------------------------------------------------------------- 432801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 433801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::stringToGuid(const char *str, effect_uuid_t *guid) 434801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 435801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (str == NULL || guid == NULL) { 436801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return BAD_VALUE; 437801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 438801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 439801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent int tmp[10]; 440801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 441801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (sscanf(str, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", 442801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent tmp, tmp+1, tmp+2, tmp+3, tmp+4, tmp+5, tmp+6, tmp+7, tmp+8, tmp+9) < 10) { 443801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return BAD_VALUE; 444801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 445801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->timeLow = (uint32_t)tmp[0]; 446801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->timeMid = (uint16_t)tmp[1]; 447801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->timeHiAndVersion = (uint16_t)tmp[2]; 448801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->clockSeq = (uint16_t)tmp[3]; 449801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[0] = (uint8_t)tmp[4]; 450801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[1] = (uint8_t)tmp[5]; 451801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[2] = (uint8_t)tmp[6]; 452801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[3] = (uint8_t)tmp[7]; 453801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[4] = (uint8_t)tmp[8]; 454801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[5] = (uint8_t)tmp[9]; 455801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 456801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return NO_ERROR; 457801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 458801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 459801a1186eb1d2ce195b15222701865932e08f3dcEric Laurentstatus_t AudioEffect::guidToString(const effect_uuid_t *guid, char *str, size_t maxLen) 460801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent{ 461801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent if (guid == NULL || str == NULL) { 462801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return BAD_VALUE; 463801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent } 464801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 465801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent snprintf(str, maxLen, "%08x-%04x-%04x-%04x-%02x%02x%02x%02x%02x%02x", 466801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->timeLow, 467801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->timeMid, 468801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->timeHiAndVersion, 469801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->clockSeq, 470801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[0], 471801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[1], 472801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[2], 473801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[3], 474801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[4], 475801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent guid->node[5]); 476801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 477801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent return NO_ERROR; 478801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent} 479801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 480801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 481801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent}; // namespace android 482801a1186eb1d2ce195b15222701865932e08f3dcEric Laurent 483