| /* |
| ** |
| ** Copyright 2012, 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. |
| */ |
| |
| |
| #define LOG_TAG "AudioFlinger" |
| //#define LOG_NDEBUG 0 |
| |
| #include <utils/Log.h> |
| #include <audio_effects/effect_visualizer.h> |
| #include <audio_utils/primitives.h> |
| #include <private/media/AudioEffectShared.h> |
| #include <media/EffectsFactoryApi.h> |
| |
| #include "AudioFlinger.h" |
| #include "ServiceUtilities.h" |
| |
| // ---------------------------------------------------------------------------- |
| |
| // Note: the following macro is used for extremely verbose logging message. In |
| // order to run with ALOG_ASSERT turned on, we need to have LOG_NDEBUG set to |
| // 0; but one side effect of this is to turn all LOGV's as well. Some messages |
| // are so verbose that we want to suppress them even when we have ALOG_ASSERT |
| // turned on. Do not uncomment the #def below unless you really know what you |
| // are doing and want to see all of the extremely verbose messages. |
| //#define VERY_VERY_VERBOSE_LOGGING |
| #ifdef VERY_VERY_VERBOSE_LOGGING |
| #define ALOGVV ALOGV |
| #else |
| #define ALOGVV(a...) do { } while(0) |
| #endif |
| |
| namespace android { |
| |
| // ---------------------------------------------------------------------------- |
| // EffectModule implementation |
| // ---------------------------------------------------------------------------- |
| |
| #undef LOG_TAG |
| #define LOG_TAG "AudioFlinger::EffectModule" |
| |
| AudioFlinger::EffectModule::EffectModule(ThreadBase *thread, |
| const wp<AudioFlinger::EffectChain>& chain, |
| effect_descriptor_t *desc, |
| int id, |
| int sessionId) |
| : mPinned(sessionId > AUDIO_SESSION_OUTPUT_MIX), |
| mThread(thread), mChain(chain), mId(id), mSessionId(sessionId), |
| mDescriptor(*desc), |
| // mConfig is set by configure() and not used before then |
| mEffectInterface(NULL), |
| mStatus(NO_INIT), mState(IDLE), |
| // mMaxDisableWaitCnt is set by configure() and not used before then |
| // mDisableWaitCnt is set by process() and updateState() and not used before then |
| mSuspended(false) |
| { |
| ALOGV("Constructor %p", this); |
| int lStatus; |
| |
| // create effect engine from effect factory |
| mStatus = EffectCreate(&desc->uuid, sessionId, thread->id(), &mEffectInterface); |
| |
| if (mStatus != NO_ERROR) { |
| return; |
| } |
| lStatus = init(); |
| if (lStatus < 0) { |
| mStatus = lStatus; |
| goto Error; |
| } |
| |
| ALOGV("Constructor success name %s, Interface %p", mDescriptor.name, mEffectInterface); |
| return; |
| Error: |
| EffectRelease(mEffectInterface); |
| mEffectInterface = NULL; |
| ALOGV("Constructor Error %d", mStatus); |
| } |
| |
| AudioFlinger::EffectModule::~EffectModule() |
| { |
| ALOGV("Destructor %p", this); |
| if (mEffectInterface != NULL) { |
| if ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_PRE_PROC || |
| (mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_POST_PROC) { |
| sp<ThreadBase> thread = mThread.promote(); |
| if (thread != 0) { |
| audio_stream_t *stream = thread->stream(); |
| if (stream != NULL) { |
| stream->remove_audio_effect(stream, mEffectInterface); |
| } |
| } |
| } |
| // release effect engine |
| EffectRelease(mEffectInterface); |
| } |
| } |
| |
| status_t AudioFlinger::EffectModule::addHandle(EffectHandle *handle) |
| { |
| status_t status; |
| |
| Mutex::Autolock _l(mLock); |
| int priority = handle->priority(); |
| size_t size = mHandles.size(); |
| EffectHandle *controlHandle = NULL; |
| size_t i; |
| for (i = 0; i < size; i++) { |
| EffectHandle *h = mHandles[i]; |
| if (h == NULL || h->destroyed_l()) { |
| continue; |
| } |
| // first non destroyed handle is considered in control |
| if (controlHandle == NULL) |
| controlHandle = h; |
| if (h->priority() <= priority) { |
| break; |
| } |
| } |
| // if inserted in first place, move effect control from previous owner to this handle |
| if (i == 0) { |
| bool enabled = false; |
| if (controlHandle != NULL) { |
| enabled = controlHandle->enabled(); |
| controlHandle->setControl(false/*hasControl*/, true /*signal*/, enabled /*enabled*/); |
| } |
| handle->setControl(true /*hasControl*/, false /*signal*/, enabled /*enabled*/); |
| status = NO_ERROR; |
| } else { |
| status = ALREADY_EXISTS; |
| } |
| ALOGV("addHandle() %p added handle %p in position %d", this, handle, i); |
| mHandles.insertAt(handle, i); |
| return status; |
| } |
| |
| size_t AudioFlinger::EffectModule::removeHandle(EffectHandle *handle) |
| { |
| Mutex::Autolock _l(mLock); |
| size_t size = mHandles.size(); |
| size_t i; |
| for (i = 0; i < size; i++) { |
| if (mHandles[i] == handle) { |
| break; |
| } |
| } |
| if (i == size) { |
| return size; |
| } |
| ALOGV("removeHandle() %p removed handle %p in position %d", this, handle, i); |
| |
| mHandles.removeAt(i); |
| // if removed from first place, move effect control from this handle to next in line |
| if (i == 0) { |
| EffectHandle *h = controlHandle_l(); |
| if (h != NULL) { |
| h->setControl(true /*hasControl*/, true /*signal*/ , handle->enabled() /*enabled*/); |
| } |
| } |
| |
| // Prevent calls to process() and other functions on effect interface from now on. |
| // The effect engine will be released by the destructor when the last strong reference on |
| // this object is released which can happen after next process is called. |
| if (mHandles.size() == 0 && !mPinned) { |
| mState = DESTROYED; |
| } |
| |
| return mHandles.size(); |
| } |
| |
| // must be called with EffectModule::mLock held |
| AudioFlinger::EffectHandle *AudioFlinger::EffectModule::controlHandle_l() |
| { |
| // the first valid handle in the list has control over the module |
| for (size_t i = 0; i < mHandles.size(); i++) { |
| EffectHandle *h = mHandles[i]; |
| if (h != NULL && !h->destroyed_l()) { |
| return h; |
| } |
| } |
| |
| return NULL; |
| } |
| |
| size_t AudioFlinger::EffectModule::disconnect(EffectHandle *handle, bool unpinIfLast) |
| { |
| ALOGV("disconnect() %p handle %p", this, handle); |
| // keep a strong reference on this EffectModule to avoid calling the |
| // destructor before we exit |
| sp<EffectModule> keep(this); |
| { |
| sp<ThreadBase> thread = mThread.promote(); |
| if (thread != 0) { |
| thread->disconnectEffect(keep, handle, unpinIfLast); |
| } |
| } |
| return mHandles.size(); |
| } |
| |
| void AudioFlinger::EffectModule::updateState() { |
| Mutex::Autolock _l(mLock); |
| |
| switch (mState) { |
| case RESTART: |
| reset_l(); |
| // FALL THROUGH |
| |
| case STARTING: |
| // clear auxiliary effect input buffer for next accumulation |
| if ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) { |
| memset(mConfig.inputCfg.buffer.raw, |
| 0, |
| mConfig.inputCfg.buffer.frameCount*sizeof(int32_t)); |
| } |
| if (start_l() == NO_ERROR) { |
| mState = ACTIVE; |
| } else { |
| mState = IDLE; |
| } |
| break; |
| case STOPPING: |
| if (stop_l() == NO_ERROR) { |
| mDisableWaitCnt = mMaxDisableWaitCnt; |
| } else { |
| mDisableWaitCnt = 1; // will cause immediate transition to IDLE |
| } |
| mState = STOPPED; |
| break; |
| case STOPPED: |
| // mDisableWaitCnt is forced to 1 by process() when the engine indicates the end of the |
| // turn off sequence. |
| if (--mDisableWaitCnt == 0) { |
| reset_l(); |
| mState = IDLE; |
| } |
| break; |
| default: //IDLE , ACTIVE, DESTROYED |
| break; |
| } |
| } |
| |
| void AudioFlinger::EffectModule::process() |
| { |
| Mutex::Autolock _l(mLock); |
| |
| if (mState == DESTROYED || mEffectInterface == NULL || |
| mConfig.inputCfg.buffer.raw == NULL || |
| mConfig.outputCfg.buffer.raw == NULL) { |
| return; |
| } |
| |
| if (isProcessEnabled()) { |
| // do 32 bit to 16 bit conversion for auxiliary effect input buffer |
| if ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) { |
| ditherAndClamp(mConfig.inputCfg.buffer.s32, |
| mConfig.inputCfg.buffer.s32, |
| mConfig.inputCfg.buffer.frameCount/2); |
| } |
| |
| // do the actual processing in the effect engine |
| int ret = (*mEffectInterface)->process(mEffectInterface, |
| &mConfig.inputCfg.buffer, |
| &mConfig.outputCfg.buffer); |
| |
| // force transition to IDLE state when engine is ready |
| if (mState == STOPPED && ret == -ENODATA) { |
| mDisableWaitCnt = 1; |
| } |
| |
| // clear auxiliary effect input buffer for next accumulation |
| if ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) { |
| memset(mConfig.inputCfg.buffer.raw, 0, |
| mConfig.inputCfg.buffer.frameCount*sizeof(int32_t)); |
| } |
| } else if ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_INSERT && |
| mConfig.inputCfg.buffer.raw != mConfig.outputCfg.buffer.raw) { |
| // If an insert effect is idle and input buffer is different from output buffer, |
| // accumulate input onto output |
| sp<EffectChain> chain = mChain.promote(); |
| if (chain != 0 && chain->activeTrackCnt() != 0) { |
| size_t frameCnt = mConfig.inputCfg.buffer.frameCount * 2; //always stereo here |
| int16_t *in = mConfig.inputCfg.buffer.s16; |
| int16_t *out = mConfig.outputCfg.buffer.s16; |
| for (size_t i = 0; i < frameCnt; i++) { |
| out[i] = clamp16((int32_t)out[i] + (int32_t)in[i]); |
| } |
| } |
| } |
| } |
| |
| void AudioFlinger::EffectModule::reset_l() |
| { |
| if (mStatus != NO_ERROR || mEffectInterface == NULL) { |
| return; |
| } |
| (*mEffectInterface)->command(mEffectInterface, EFFECT_CMD_RESET, 0, NULL, 0, NULL); |
| } |
| |
| status_t AudioFlinger::EffectModule::configure() |
| { |
| status_t status; |
| sp<ThreadBase> thread; |
| uint32_t size; |
| audio_channel_mask_t channelMask; |
| |
| if (mEffectInterface == NULL) { |
| status = NO_INIT; |
| goto exit; |
| } |
| |
| thread = mThread.promote(); |
| if (thread == 0) { |
| status = DEAD_OBJECT; |
| goto exit; |
| } |
| |
| // TODO: handle configuration of effects replacing track process |
| channelMask = thread->channelMask(); |
| |
| if ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) { |
| mConfig.inputCfg.channels = AUDIO_CHANNEL_OUT_MONO; |
| } else { |
| mConfig.inputCfg.channels = channelMask; |
| } |
| mConfig.outputCfg.channels = channelMask; |
| mConfig.inputCfg.format = AUDIO_FORMAT_PCM_16_BIT; |
| mConfig.outputCfg.format = AUDIO_FORMAT_PCM_16_BIT; |
| mConfig.inputCfg.samplingRate = thread->sampleRate(); |
| mConfig.outputCfg.samplingRate = mConfig.inputCfg.samplingRate; |
| mConfig.inputCfg.bufferProvider.cookie = NULL; |
| mConfig.inputCfg.bufferProvider.getBuffer = NULL; |
| mConfig.inputCfg.bufferProvider.releaseBuffer = NULL; |
| mConfig.outputCfg.bufferProvider.cookie = NULL; |
| mConfig.outputCfg.bufferProvider.getBuffer = NULL; |
| mConfig.outputCfg.bufferProvider.releaseBuffer = NULL; |
| mConfig.inputCfg.accessMode = EFFECT_BUFFER_ACCESS_READ; |
| // Insert effect: |
| // - in session AUDIO_SESSION_OUTPUT_MIX or AUDIO_SESSION_OUTPUT_STAGE, |
| // always overwrites output buffer: input buffer == output buffer |
| // - in other sessions: |
| // last effect in the chain accumulates in output buffer: input buffer != output buffer |
| // other effect: overwrites output buffer: input buffer == output buffer |
| // Auxiliary effect: |
| // accumulates in output buffer: input buffer != output buffer |
| // Therefore: accumulate <=> input buffer != output buffer |
| if (mConfig.inputCfg.buffer.raw != mConfig.outputCfg.buffer.raw) { |
| mConfig.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_ACCUMULATE; |
| } else { |
| mConfig.outputCfg.accessMode = EFFECT_BUFFER_ACCESS_WRITE; |
| } |
| mConfig.inputCfg.mask = EFFECT_CONFIG_ALL; |
| mConfig.outputCfg.mask = EFFECT_CONFIG_ALL; |
| mConfig.inputCfg.buffer.frameCount = thread->frameCount(); |
| mConfig.outputCfg.buffer.frameCount = mConfig.inputCfg.buffer.frameCount; |
| |
| ALOGV("configure() %p thread %p buffer %p framecount %d", |
| this, thread.get(), mConfig.inputCfg.buffer.raw, mConfig.inputCfg.buffer.frameCount); |
| |
| status_t cmdStatus; |
| size = sizeof(int); |
| status = (*mEffectInterface)->command(mEffectInterface, |
| EFFECT_CMD_SET_CONFIG, |
| sizeof(effect_config_t), |
| &mConfig, |
| &size, |
| &cmdStatus); |
| if (status == 0) { |
| status = cmdStatus; |
| } |
| |
| if (status == 0 && |
| (memcmp(&mDescriptor.type, SL_IID_VISUALIZATION, sizeof(effect_uuid_t)) == 0)) { |
| uint32_t buf32[sizeof(effect_param_t) / sizeof(uint32_t) + 2]; |
| effect_param_t *p = (effect_param_t *)buf32; |
| |
| p->psize = sizeof(uint32_t); |
| p->vsize = sizeof(uint32_t); |
| size = sizeof(int); |
| *(int32_t *)p->data = VISUALIZER_PARAM_LATENCY; |
| |
| uint32_t latency = 0; |
| PlaybackThread *pbt = thread->mAudioFlinger->checkPlaybackThread_l(thread->mId); |
| if (pbt != NULL) { |
| latency = pbt->latency_l(); |
| } |
| |
| *((int32_t *)p->data + 1)= latency; |
| (*mEffectInterface)->command(mEffectInterface, |
| EFFECT_CMD_SET_PARAM, |
| sizeof(effect_param_t) + 8, |
| &buf32, |
| &size, |
| &cmdStatus); |
| } |
| |
| mMaxDisableWaitCnt = (MAX_DISABLE_TIME_MS * mConfig.outputCfg.samplingRate) / |
| (1000 * mConfig.outputCfg.buffer.frameCount); |
| |
| exit: |
| mStatus = status; |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectModule::init() |
| { |
| Mutex::Autolock _l(mLock); |
| if (mEffectInterface == NULL) { |
| return NO_INIT; |
| } |
| status_t cmdStatus; |
| uint32_t size = sizeof(status_t); |
| status_t status = (*mEffectInterface)->command(mEffectInterface, |
| EFFECT_CMD_INIT, |
| 0, |
| NULL, |
| &size, |
| &cmdStatus); |
| if (status == 0) { |
| status = cmdStatus; |
| } |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectModule::start() |
| { |
| Mutex::Autolock _l(mLock); |
| return start_l(); |
| } |
| |
| status_t AudioFlinger::EffectModule::start_l() |
| { |
| if (mEffectInterface == NULL) { |
| return NO_INIT; |
| } |
| if (mStatus != NO_ERROR) { |
| return mStatus; |
| } |
| status_t cmdStatus; |
| uint32_t size = sizeof(status_t); |
| status_t status = (*mEffectInterface)->command(mEffectInterface, |
| EFFECT_CMD_ENABLE, |
| 0, |
| NULL, |
| &size, |
| &cmdStatus); |
| if (status == 0) { |
| status = cmdStatus; |
| } |
| if (status == 0 && |
| ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_PRE_PROC || |
| (mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_POST_PROC)) { |
| sp<ThreadBase> thread = mThread.promote(); |
| if (thread != 0) { |
| audio_stream_t *stream = thread->stream(); |
| if (stream != NULL) { |
| stream->add_audio_effect(stream, mEffectInterface); |
| } |
| } |
| } |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectModule::stop() |
| { |
| Mutex::Autolock _l(mLock); |
| return stop_l(); |
| } |
| |
| status_t AudioFlinger::EffectModule::stop_l() |
| { |
| if (mEffectInterface == NULL) { |
| return NO_INIT; |
| } |
| if (mStatus != NO_ERROR) { |
| return mStatus; |
| } |
| status_t cmdStatus; |
| uint32_t size = sizeof(status_t); |
| status_t status = (*mEffectInterface)->command(mEffectInterface, |
| EFFECT_CMD_DISABLE, |
| 0, |
| NULL, |
| &size, |
| &cmdStatus); |
| if (status == 0) { |
| status = cmdStatus; |
| } |
| if (status == 0 && |
| ((mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_PRE_PROC || |
| (mDescriptor.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_POST_PROC)) { |
| sp<ThreadBase> thread = mThread.promote(); |
| if (thread != 0) { |
| audio_stream_t *stream = thread->stream(); |
| if (stream != NULL) { |
| stream->remove_audio_effect(stream, mEffectInterface); |
| } |
| } |
| } |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectModule::command(uint32_t cmdCode, |
| uint32_t cmdSize, |
| void *pCmdData, |
| uint32_t *replySize, |
| void *pReplyData) |
| { |
| Mutex::Autolock _l(mLock); |
| ALOGVV("command(), cmdCode: %d, mEffectInterface: %p", cmdCode, mEffectInterface); |
| |
| if (mState == DESTROYED || mEffectInterface == NULL) { |
| return NO_INIT; |
| } |
| if (mStatus != NO_ERROR) { |
| return mStatus; |
| } |
| status_t status = (*mEffectInterface)->command(mEffectInterface, |
| cmdCode, |
| cmdSize, |
| pCmdData, |
| replySize, |
| pReplyData); |
| if (cmdCode != EFFECT_CMD_GET_PARAM && status == NO_ERROR) { |
| uint32_t size = (replySize == NULL) ? 0 : *replySize; |
| for (size_t i = 1; i < mHandles.size(); i++) { |
| EffectHandle *h = mHandles[i]; |
| if (h != NULL && !h->destroyed_l()) { |
| h->commandExecuted(cmdCode, cmdSize, pCmdData, size, pReplyData); |
| } |
| } |
| } |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectModule::setEnabled(bool enabled) |
| { |
| Mutex::Autolock _l(mLock); |
| return setEnabled_l(enabled); |
| } |
| |
| // must be called with EffectModule::mLock held |
| status_t AudioFlinger::EffectModule::setEnabled_l(bool enabled) |
| { |
| |
| ALOGV("setEnabled %p enabled %d", this, enabled); |
| |
| if (enabled != isEnabled()) { |
| status_t status = AudioSystem::setEffectEnabled(mId, enabled); |
| if (enabled && status != NO_ERROR) { |
| return status; |
| } |
| |
| switch (mState) { |
| // going from disabled to enabled |
| case IDLE: |
| mState = STARTING; |
| break; |
| case STOPPED: |
| mState = RESTART; |
| break; |
| case STOPPING: |
| mState = ACTIVE; |
| break; |
| |
| // going from enabled to disabled |
| case RESTART: |
| mState = STOPPED; |
| break; |
| case STARTING: |
| mState = IDLE; |
| break; |
| case ACTIVE: |
| mState = STOPPING; |
| break; |
| case DESTROYED: |
| return NO_ERROR; // simply ignore as we are being destroyed |
| } |
| for (size_t i = 1; i < mHandles.size(); i++) { |
| EffectHandle *h = mHandles[i]; |
| if (h != NULL && !h->destroyed_l()) { |
| h->setEnabled(enabled); |
| } |
| } |
| } |
| return NO_ERROR; |
| } |
| |
| bool AudioFlinger::EffectModule::isEnabled() const |
| { |
| switch (mState) { |
| case RESTART: |
| case STARTING: |
| case ACTIVE: |
| return true; |
| case IDLE: |
| case STOPPING: |
| case STOPPED: |
| case DESTROYED: |
| default: |
| return false; |
| } |
| } |
| |
| bool AudioFlinger::EffectModule::isProcessEnabled() const |
| { |
| if (mStatus != NO_ERROR) { |
| return false; |
| } |
| |
| switch (mState) { |
| case RESTART: |
| case ACTIVE: |
| case STOPPING: |
| case STOPPED: |
| return true; |
| case IDLE: |
| case STARTING: |
| case DESTROYED: |
| default: |
| return false; |
| } |
| } |
| |
| status_t AudioFlinger::EffectModule::setVolume(uint32_t *left, uint32_t *right, bool controller) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mStatus != NO_ERROR) { |
| return mStatus; |
| } |
| status_t status = NO_ERROR; |
| // Send volume indication if EFFECT_FLAG_VOLUME_IND is set and read back altered volume |
| // if controller flag is set (Note that controller == TRUE => EFFECT_FLAG_VOLUME_CTRL set) |
| if (isProcessEnabled() && |
| ((mDescriptor.flags & EFFECT_FLAG_VOLUME_MASK) == EFFECT_FLAG_VOLUME_CTRL || |
| (mDescriptor.flags & EFFECT_FLAG_VOLUME_MASK) == EFFECT_FLAG_VOLUME_IND)) { |
| status_t cmdStatus; |
| uint32_t volume[2]; |
| uint32_t *pVolume = NULL; |
| uint32_t size = sizeof(volume); |
| volume[0] = *left; |
| volume[1] = *right; |
| if (controller) { |
| pVolume = volume; |
| } |
| status = (*mEffectInterface)->command(mEffectInterface, |
| EFFECT_CMD_SET_VOLUME, |
| size, |
| volume, |
| &size, |
| pVolume); |
| if (controller && status == NO_ERROR && size == sizeof(volume)) { |
| *left = volume[0]; |
| *right = volume[1]; |
| } |
| } |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectModule::setDevice(audio_devices_t device) |
| { |
| if (device == AUDIO_DEVICE_NONE) { |
| return NO_ERROR; |
| } |
| |
| Mutex::Autolock _l(mLock); |
| if (mStatus != NO_ERROR) { |
| return mStatus; |
| } |
| status_t status = NO_ERROR; |
| if (device && (mDescriptor.flags & EFFECT_FLAG_DEVICE_MASK) == EFFECT_FLAG_DEVICE_IND) { |
| status_t cmdStatus; |
| uint32_t size = sizeof(status_t); |
| uint32_t cmd = audio_is_output_devices(device) ? EFFECT_CMD_SET_DEVICE : |
| EFFECT_CMD_SET_INPUT_DEVICE; |
| status = (*mEffectInterface)->command(mEffectInterface, |
| cmd, |
| sizeof(uint32_t), |
| &device, |
| &size, |
| &cmdStatus); |
| } |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectModule::setMode(audio_mode_t mode) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mStatus != NO_ERROR) { |
| return mStatus; |
| } |
| status_t status = NO_ERROR; |
| if ((mDescriptor.flags & EFFECT_FLAG_AUDIO_MODE_MASK) == EFFECT_FLAG_AUDIO_MODE_IND) { |
| status_t cmdStatus; |
| uint32_t size = sizeof(status_t); |
| status = (*mEffectInterface)->command(mEffectInterface, |
| EFFECT_CMD_SET_AUDIO_MODE, |
| sizeof(audio_mode_t), |
| &mode, |
| &size, |
| &cmdStatus); |
| if (status == NO_ERROR) { |
| status = cmdStatus; |
| } |
| } |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectModule::setAudioSource(audio_source_t source) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mStatus != NO_ERROR) { |
| return mStatus; |
| } |
| status_t status = NO_ERROR; |
| if ((mDescriptor.flags & EFFECT_FLAG_AUDIO_SOURCE_MASK) == EFFECT_FLAG_AUDIO_SOURCE_IND) { |
| uint32_t size = 0; |
| status = (*mEffectInterface)->command(mEffectInterface, |
| EFFECT_CMD_SET_AUDIO_SOURCE, |
| sizeof(audio_source_t), |
| &source, |
| &size, |
| NULL); |
| } |
| return status; |
| } |
| |
| void AudioFlinger::EffectModule::setSuspended(bool suspended) |
| { |
| Mutex::Autolock _l(mLock); |
| mSuspended = suspended; |
| } |
| |
| bool AudioFlinger::EffectModule::suspended() const |
| { |
| Mutex::Autolock _l(mLock); |
| return mSuspended; |
| } |
| |
| bool AudioFlinger::EffectModule::purgeHandles() |
| { |
| bool enabled = false; |
| Mutex::Autolock _l(mLock); |
| for (size_t i = 0; i < mHandles.size(); i++) { |
| EffectHandle *handle = mHandles[i]; |
| if (handle != NULL && !handle->destroyed_l()) { |
| handle->effect().clear(); |
| if (handle->hasControl()) { |
| enabled = handle->enabled(); |
| } |
| } |
| } |
| return enabled; |
| } |
| |
| void AudioFlinger::EffectModule::dump(int fd, const Vector<String16>& args) |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| |
| snprintf(buffer, SIZE, "\tEffect ID %d:\n", mId); |
| result.append(buffer); |
| |
| bool locked = AudioFlinger::dumpTryLock(mLock); |
| // failed to lock - AudioFlinger is probably deadlocked |
| if (!locked) { |
| result.append("\t\tCould not lock Fx mutex:\n"); |
| } |
| |
| result.append("\t\tSession Status State Engine:\n"); |
| snprintf(buffer, SIZE, "\t\t%05d %03d %03d 0x%08x\n", |
| mSessionId, mStatus, mState, (uint32_t)mEffectInterface); |
| result.append(buffer); |
| |
| result.append("\t\tDescriptor:\n"); |
| snprintf(buffer, SIZE, "\t\t- UUID: %08X-%04X-%04X-%04X-%02X%02X%02X%02X%02X%02X\n", |
| mDescriptor.uuid.timeLow, mDescriptor.uuid.timeMid, mDescriptor.uuid.timeHiAndVersion, |
| mDescriptor.uuid.clockSeq, mDescriptor.uuid.node[0], mDescriptor.uuid.node[1], |
| mDescriptor.uuid.node[2], |
| mDescriptor.uuid.node[3],mDescriptor.uuid.node[4],mDescriptor.uuid.node[5]); |
| result.append(buffer); |
| snprintf(buffer, SIZE, "\t\t- TYPE: %08X-%04X-%04X-%04X-%02X%02X%02X%02X%02X%02X\n", |
| mDescriptor.type.timeLow, mDescriptor.type.timeMid, |
| mDescriptor.type.timeHiAndVersion, |
| mDescriptor.type.clockSeq, mDescriptor.type.node[0], mDescriptor.type.node[1], |
| mDescriptor.type.node[2], |
| mDescriptor.type.node[3],mDescriptor.type.node[4],mDescriptor.type.node[5]); |
| result.append(buffer); |
| snprintf(buffer, SIZE, "\t\t- apiVersion: %08X\n\t\t- flags: %08X\n", |
| mDescriptor.apiVersion, |
| mDescriptor.flags); |
| result.append(buffer); |
| snprintf(buffer, SIZE, "\t\t- name: %s\n", |
| mDescriptor.name); |
| result.append(buffer); |
| snprintf(buffer, SIZE, "\t\t- implementor: %s\n", |
| mDescriptor.implementor); |
| result.append(buffer); |
| |
| result.append("\t\t- Input configuration:\n"); |
| result.append("\t\t\tBuffer Frames Smp rate Channels Format\n"); |
| snprintf(buffer, SIZE, "\t\t\t0x%08x %05d %05d %08x %d\n", |
| (uint32_t)mConfig.inputCfg.buffer.raw, |
| mConfig.inputCfg.buffer.frameCount, |
| mConfig.inputCfg.samplingRate, |
| mConfig.inputCfg.channels, |
| mConfig.inputCfg.format); |
| result.append(buffer); |
| |
| result.append("\t\t- Output configuration:\n"); |
| result.append("\t\t\tBuffer Frames Smp rate Channels Format\n"); |
| snprintf(buffer, SIZE, "\t\t\t0x%08x %05d %05d %08x %d\n", |
| (uint32_t)mConfig.outputCfg.buffer.raw, |
| mConfig.outputCfg.buffer.frameCount, |
| mConfig.outputCfg.samplingRate, |
| mConfig.outputCfg.channels, |
| mConfig.outputCfg.format); |
| result.append(buffer); |
| |
| snprintf(buffer, SIZE, "\t\t%d Clients:\n", mHandles.size()); |
| result.append(buffer); |
| result.append("\t\t\tPid Priority Ctrl Locked client server\n"); |
| for (size_t i = 0; i < mHandles.size(); ++i) { |
| EffectHandle *handle = mHandles[i]; |
| if (handle != NULL && !handle->destroyed_l()) { |
| handle->dump(buffer, SIZE); |
| result.append(buffer); |
| } |
| } |
| |
| result.append("\n"); |
| |
| write(fd, result.string(), result.length()); |
| |
| if (locked) { |
| mLock.unlock(); |
| } |
| } |
| |
| // ---------------------------------------------------------------------------- |
| // EffectHandle implementation |
| // ---------------------------------------------------------------------------- |
| |
| #undef LOG_TAG |
| #define LOG_TAG "AudioFlinger::EffectHandle" |
| |
| AudioFlinger::EffectHandle::EffectHandle(const sp<EffectModule>& effect, |
| const sp<AudioFlinger::Client>& client, |
| const sp<IEffectClient>& effectClient, |
| int32_t priority) |
| : BnEffect(), |
| mEffect(effect), mEffectClient(effectClient), mClient(client), mCblk(NULL), |
| mPriority(priority), mHasControl(false), mEnabled(false), mDestroyed(false) |
| { |
| ALOGV("constructor %p", this); |
| |
| if (client == 0) { |
| return; |
| } |
| int bufOffset = ((sizeof(effect_param_cblk_t) - 1) / sizeof(int) + 1) * sizeof(int); |
| mCblkMemory = client->heap()->allocate(EFFECT_PARAM_BUFFER_SIZE + bufOffset); |
| if (mCblkMemory != 0) { |
| mCblk = static_cast<effect_param_cblk_t *>(mCblkMemory->pointer()); |
| |
| if (mCblk != NULL) { |
| new(mCblk) effect_param_cblk_t(); |
| mBuffer = (uint8_t *)mCblk + bufOffset; |
| } |
| } else { |
| ALOGE("not enough memory for Effect size=%u", EFFECT_PARAM_BUFFER_SIZE + |
| sizeof(effect_param_cblk_t)); |
| return; |
| } |
| } |
| |
| AudioFlinger::EffectHandle::~EffectHandle() |
| { |
| ALOGV("Destructor %p", this); |
| |
| if (mEffect == 0) { |
| mDestroyed = true; |
| return; |
| } |
| mEffect->lock(); |
| mDestroyed = true; |
| mEffect->unlock(); |
| disconnect(false); |
| } |
| |
| status_t AudioFlinger::EffectHandle::enable() |
| { |
| ALOGV("enable %p", this); |
| if (!mHasControl) { |
| return INVALID_OPERATION; |
| } |
| if (mEffect == 0) { |
| return DEAD_OBJECT; |
| } |
| |
| if (mEnabled) { |
| return NO_ERROR; |
| } |
| |
| mEnabled = true; |
| |
| sp<ThreadBase> thread = mEffect->thread().promote(); |
| if (thread != 0) { |
| thread->checkSuspendOnEffectEnabled(mEffect, true, mEffect->sessionId()); |
| } |
| |
| // checkSuspendOnEffectEnabled() can suspend this same effect when enabled |
| if (mEffect->suspended()) { |
| return NO_ERROR; |
| } |
| |
| status_t status = mEffect->setEnabled(true); |
| if (status != NO_ERROR) { |
| if (thread != 0) { |
| thread->checkSuspendOnEffectEnabled(mEffect, false, mEffect->sessionId()); |
| } |
| mEnabled = false; |
| } |
| return status; |
| } |
| |
| status_t AudioFlinger::EffectHandle::disable() |
| { |
| ALOGV("disable %p", this); |
| if (!mHasControl) { |
| return INVALID_OPERATION; |
| } |
| if (mEffect == 0) { |
| return DEAD_OBJECT; |
| } |
| |
| if (!mEnabled) { |
| return NO_ERROR; |
| } |
| mEnabled = false; |
| |
| if (mEffect->suspended()) { |
| return NO_ERROR; |
| } |
| |
| status_t status = mEffect->setEnabled(false); |
| |
| sp<ThreadBase> thread = mEffect->thread().promote(); |
| if (thread != 0) { |
| thread->checkSuspendOnEffectEnabled(mEffect, false, mEffect->sessionId()); |
| } |
| |
| return status; |
| } |
| |
| void AudioFlinger::EffectHandle::disconnect() |
| { |
| disconnect(true); |
| } |
| |
| void AudioFlinger::EffectHandle::disconnect(bool unpinIfLast) |
| { |
| ALOGV("disconnect(%s)", unpinIfLast ? "true" : "false"); |
| if (mEffect == 0) { |
| return; |
| } |
| // restore suspended effects if the disconnected handle was enabled and the last one. |
| if ((mEffect->disconnect(this, unpinIfLast) == 0) && mEnabled) { |
| sp<ThreadBase> thread = mEffect->thread().promote(); |
| if (thread != 0) { |
| thread->checkSuspendOnEffectEnabled(mEffect, false, mEffect->sessionId()); |
| } |
| } |
| |
| // release sp on module => module destructor can be called now |
| mEffect.clear(); |
| if (mClient != 0) { |
| if (mCblk != NULL) { |
| // unlike ~TrackBase(), mCblk is never a local new, so don't delete |
| mCblk->~effect_param_cblk_t(); // destroy our shared-structure. |
| } |
| mCblkMemory.clear(); // free the shared memory before releasing the heap it belongs to |
| // Client destructor must run with AudioFlinger mutex locked |
| Mutex::Autolock _l(mClient->audioFlinger()->mLock); |
| mClient.clear(); |
| } |
| } |
| |
| status_t AudioFlinger::EffectHandle::command(uint32_t cmdCode, |
| uint32_t cmdSize, |
| void *pCmdData, |
| uint32_t *replySize, |
| void *pReplyData) |
| { |
| ALOGVV("command(), cmdCode: %d, mHasControl: %d, mEffect: %p", |
| cmdCode, mHasControl, (mEffect == 0) ? 0 : mEffect.get()); |
| |
| // only get parameter command is permitted for applications not controlling the effect |
| if (!mHasControl && cmdCode != EFFECT_CMD_GET_PARAM) { |
| return INVALID_OPERATION; |
| } |
| if (mEffect == 0) { |
| return DEAD_OBJECT; |
| } |
| if (mClient == 0) { |
| return INVALID_OPERATION; |
| } |
| |
| // handle commands that are not forwarded transparently to effect engine |
| if (cmdCode == EFFECT_CMD_SET_PARAM_COMMIT) { |
| // No need to trylock() here as this function is executed in the binder thread serving a |
| // particular client process: no risk to block the whole media server process or mixer |
| // threads if we are stuck here |
| Mutex::Autolock _l(mCblk->lock); |
| if (mCblk->clientIndex > EFFECT_PARAM_BUFFER_SIZE || |
| mCblk->serverIndex > EFFECT_PARAM_BUFFER_SIZE) { |
| mCblk->serverIndex = 0; |
| mCblk->clientIndex = 0; |
| return BAD_VALUE; |
| } |
| status_t status = NO_ERROR; |
| while (mCblk->serverIndex < mCblk->clientIndex) { |
| int reply; |
| uint32_t rsize = sizeof(int); |
| int *p = (int *)(mBuffer + mCblk->serverIndex); |
| int size = *p++; |
| if (((uint8_t *)p + size) > mBuffer + mCblk->clientIndex) { |
| ALOGW("command(): invalid parameter block size"); |
| break; |
| } |
| effect_param_t *param = (effect_param_t *)p; |
| if (param->psize == 0 || param->vsize == 0) { |
| ALOGW("command(): null parameter or value size"); |
| mCblk->serverIndex += size; |
| continue; |
| } |
| uint32_t psize = sizeof(effect_param_t) + |
| ((param->psize - 1) / sizeof(int) + 1) * sizeof(int) + |
| param->vsize; |
| status_t ret = mEffect->command(EFFECT_CMD_SET_PARAM, |
| psize, |
| p, |
| &rsize, |
| &reply); |
| // stop at first error encountered |
| if (ret != NO_ERROR) { |
| status = ret; |
| *(int *)pReplyData = reply; |
| break; |
| } else if (reply != NO_ERROR) { |
| *(int *)pReplyData = reply; |
| break; |
| } |
| mCblk->serverIndex += size; |
| } |
| mCblk->serverIndex = 0; |
| mCblk->clientIndex = 0; |
| return status; |
| } else if (cmdCode == EFFECT_CMD_ENABLE) { |
| *(int *)pReplyData = NO_ERROR; |
| return enable(); |
| } else if (cmdCode == EFFECT_CMD_DISABLE) { |
| *(int *)pReplyData = NO_ERROR; |
| return disable(); |
| } |
| |
| return mEffect->command(cmdCode, cmdSize, pCmdData, replySize, pReplyData); |
| } |
| |
| void AudioFlinger::EffectHandle::setControl(bool hasControl, bool signal, bool enabled) |
| { |
| ALOGV("setControl %p control %d", this, hasControl); |
| |
| mHasControl = hasControl; |
| mEnabled = enabled; |
| |
| if (signal && mEffectClient != 0) { |
| mEffectClient->controlStatusChanged(hasControl); |
| } |
| } |
| |
| void AudioFlinger::EffectHandle::commandExecuted(uint32_t cmdCode, |
| uint32_t cmdSize, |
| void *pCmdData, |
| uint32_t replySize, |
| void *pReplyData) |
| { |
| if (mEffectClient != 0) { |
| mEffectClient->commandExecuted(cmdCode, cmdSize, pCmdData, replySize, pReplyData); |
| } |
| } |
| |
| |
| |
| void AudioFlinger::EffectHandle::setEnabled(bool enabled) |
| { |
| if (mEffectClient != 0) { |
| mEffectClient->enableStatusChanged(enabled); |
| } |
| } |
| |
| status_t AudioFlinger::EffectHandle::onTransact( |
| uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) |
| { |
| return BnEffect::onTransact(code, data, reply, flags); |
| } |
| |
| |
| void AudioFlinger::EffectHandle::dump(char* buffer, size_t size) |
| { |
| bool locked = mCblk != NULL && AudioFlinger::dumpTryLock(mCblk->lock); |
| |
| snprintf(buffer, size, "\t\t\t%05d %05d %01u %01u %05u %05u\n", |
| (mClient == 0) ? getpid_cached : mClient->pid(), |
| mPriority, |
| mHasControl, |
| !locked, |
| mCblk ? mCblk->clientIndex : 0, |
| mCblk ? mCblk->serverIndex : 0 |
| ); |
| |
| if (locked) { |
| mCblk->lock.unlock(); |
| } |
| } |
| |
| #undef LOG_TAG |
| #define LOG_TAG "AudioFlinger::EffectChain" |
| |
| AudioFlinger::EffectChain::EffectChain(ThreadBase *thread, |
| int sessionId) |
| : mThread(thread), mSessionId(sessionId), mActiveTrackCnt(0), mTrackCnt(0), mTailBufferCount(0), |
| mOwnInBuffer(false), mVolumeCtrlIdx(-1), mLeftVolume(UINT_MAX), mRightVolume(UINT_MAX), |
| mNewLeftVolume(UINT_MAX), mNewRightVolume(UINT_MAX) |
| { |
| mStrategy = AudioSystem::getStrategyForStream(AUDIO_STREAM_MUSIC); |
| if (thread == NULL) { |
| return; |
| } |
| mMaxTailBuffers = ((kProcessTailDurationMs * thread->sampleRate()) / 1000) / |
| thread->frameCount(); |
| } |
| |
| AudioFlinger::EffectChain::~EffectChain() |
| { |
| if (mOwnInBuffer) { |
| delete mInBuffer; |
| } |
| |
| } |
| |
| // getEffectFromDesc_l() must be called with ThreadBase::mLock held |
| sp<AudioFlinger::EffectModule> AudioFlinger::EffectChain::getEffectFromDesc_l( |
| effect_descriptor_t *descriptor) |
| { |
| size_t size = mEffects.size(); |
| |
| for (size_t i = 0; i < size; i++) { |
| if (memcmp(&mEffects[i]->desc().uuid, &descriptor->uuid, sizeof(effect_uuid_t)) == 0) { |
| return mEffects[i]; |
| } |
| } |
| return 0; |
| } |
| |
| // getEffectFromId_l() must be called with ThreadBase::mLock held |
| sp<AudioFlinger::EffectModule> AudioFlinger::EffectChain::getEffectFromId_l(int id) |
| { |
| size_t size = mEffects.size(); |
| |
| for (size_t i = 0; i < size; i++) { |
| // by convention, return first effect if id provided is 0 (0 is never a valid id) |
| if (id == 0 || mEffects[i]->id() == id) { |
| return mEffects[i]; |
| } |
| } |
| return 0; |
| } |
| |
| // getEffectFromType_l() must be called with ThreadBase::mLock held |
| sp<AudioFlinger::EffectModule> AudioFlinger::EffectChain::getEffectFromType_l( |
| const effect_uuid_t *type) |
| { |
| size_t size = mEffects.size(); |
| |
| for (size_t i = 0; i < size; i++) { |
| if (memcmp(&mEffects[i]->desc().type, type, sizeof(effect_uuid_t)) == 0) { |
| return mEffects[i]; |
| } |
| } |
| return 0; |
| } |
| |
| void AudioFlinger::EffectChain::clearInputBuffer() |
| { |
| Mutex::Autolock _l(mLock); |
| sp<ThreadBase> thread = mThread.promote(); |
| if (thread == 0) { |
| ALOGW("clearInputBuffer(): cannot promote mixer thread"); |
| return; |
| } |
| clearInputBuffer_l(thread); |
| } |
| |
| // Must be called with EffectChain::mLock locked |
| void AudioFlinger::EffectChain::clearInputBuffer_l(sp<ThreadBase> thread) |
| { |
| size_t numSamples = thread->frameCount() * thread->channelCount(); |
| memset(mInBuffer, 0, numSamples * sizeof(int16_t)); |
| |
| } |
| |
| // Must be called with EffectChain::mLock locked |
| void AudioFlinger::EffectChain::process_l() |
| { |
| sp<ThreadBase> thread = mThread.promote(); |
| if (thread == 0) { |
| ALOGW("process_l(): cannot promote mixer thread"); |
| return; |
| } |
| bool isGlobalSession = (mSessionId == AUDIO_SESSION_OUTPUT_MIX) || |
| (mSessionId == AUDIO_SESSION_OUTPUT_STAGE); |
| // always process effects unless no more tracks are on the session and the effect tail |
| // has been rendered |
| bool doProcess = true; |
| if (!isGlobalSession) { |
| bool tracksOnSession = (trackCnt() != 0); |
| |
| if (!tracksOnSession && mTailBufferCount == 0) { |
| doProcess = false; |
| } |
| |
| if (activeTrackCnt() == 0) { |
| // if no track is active and the effect tail has not been rendered, |
| // the input buffer must be cleared here as the mixer process will not do it |
| if (tracksOnSession || mTailBufferCount > 0) { |
| clearInputBuffer_l(thread); |
| if (mTailBufferCount > 0) { |
| mTailBufferCount--; |
| } |
| } |
| } |
| } |
| |
| size_t size = mEffects.size(); |
| if (doProcess) { |
| for (size_t i = 0; i < size; i++) { |
| mEffects[i]->process(); |
| } |
| } |
| for (size_t i = 0; i < size; i++) { |
| mEffects[i]->updateState(); |
| } |
| } |
| |
| // addEffect_l() must be called with PlaybackThread::mLock held |
| status_t AudioFlinger::EffectChain::addEffect_l(const sp<EffectModule>& effect) |
| { |
| effect_descriptor_t desc = effect->desc(); |
| uint32_t insertPref = desc.flags & EFFECT_FLAG_INSERT_MASK; |
| |
| Mutex::Autolock _l(mLock); |
| effect->setChain(this); |
| sp<ThreadBase> thread = mThread.promote(); |
| if (thread == 0) { |
| return NO_INIT; |
| } |
| effect->setThread(thread); |
| |
| if ((desc.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) { |
| // Auxiliary effects are inserted at the beginning of mEffects vector as |
| // they are processed first and accumulated in chain input buffer |
| mEffects.insertAt(effect, 0); |
| |
| // the input buffer for auxiliary effect contains mono samples in |
| // 32 bit format. This is to avoid saturation in AudoMixer |
| // accumulation stage. Saturation is done in EffectModule::process() before |
| // calling the process in effect engine |
| size_t numSamples = thread->frameCount(); |
| int32_t *buffer = new int32_t[numSamples]; |
| memset(buffer, 0, numSamples * sizeof(int32_t)); |
| effect->setInBuffer((int16_t *)buffer); |
| // auxiliary effects output samples to chain input buffer for further processing |
| // by insert effects |
| effect->setOutBuffer(mInBuffer); |
| } else { |
| // Insert effects are inserted at the end of mEffects vector as they are processed |
| // after track and auxiliary effects. |
| // Insert effect order as a function of indicated preference: |
| // if EFFECT_FLAG_INSERT_EXCLUSIVE, insert in first position or reject if |
| // another effect is present |
| // else if EFFECT_FLAG_INSERT_FIRST, insert in first position or after the |
| // last effect claiming first position |
| // else if EFFECT_FLAG_INSERT_LAST, insert in last position or before the |
| // first effect claiming last position |
| // else if EFFECT_FLAG_INSERT_ANY insert after first or before last |
| // Reject insertion if an effect with EFFECT_FLAG_INSERT_EXCLUSIVE is |
| // already present |
| |
| size_t size = mEffects.size(); |
| size_t idx_insert = size; |
| ssize_t idx_insert_first = -1; |
| ssize_t idx_insert_last = -1; |
| |
| for (size_t i = 0; i < size; i++) { |
| effect_descriptor_t d = mEffects[i]->desc(); |
| uint32_t iMode = d.flags & EFFECT_FLAG_TYPE_MASK; |
| uint32_t iPref = d.flags & EFFECT_FLAG_INSERT_MASK; |
| if (iMode == EFFECT_FLAG_TYPE_INSERT) { |
| // check invalid effect chaining combinations |
| if (insertPref == EFFECT_FLAG_INSERT_EXCLUSIVE || |
| iPref == EFFECT_FLAG_INSERT_EXCLUSIVE) { |
| ALOGW("addEffect_l() could not insert effect %s: exclusive conflict with %s", |
| desc.name, d.name); |
| return INVALID_OPERATION; |
| } |
| // remember position of first insert effect and by default |
| // select this as insert position for new effect |
| if (idx_insert == size) { |
| idx_insert = i; |
| } |
| // remember position of last insert effect claiming |
| // first position |
| if (iPref == EFFECT_FLAG_INSERT_FIRST) { |
| idx_insert_first = i; |
| } |
| // remember position of first insert effect claiming |
| // last position |
| if (iPref == EFFECT_FLAG_INSERT_LAST && |
| idx_insert_last == -1) { |
| idx_insert_last = i; |
| } |
| } |
| } |
| |
| // modify idx_insert from first position if needed |
| if (insertPref == EFFECT_FLAG_INSERT_LAST) { |
| if (idx_insert_last != -1) { |
| idx_insert = idx_insert_last; |
| } else { |
| idx_insert = size; |
| } |
| } else { |
| if (idx_insert_first != -1) { |
| idx_insert = idx_insert_first + 1; |
| } |
| } |
| |
| // always read samples from chain input buffer |
| effect->setInBuffer(mInBuffer); |
| |
| // if last effect in the chain, output samples to chain |
| // output buffer, otherwise to chain input buffer |
| if (idx_insert == size) { |
| if (idx_insert != 0) { |
| mEffects[idx_insert-1]->setOutBuffer(mInBuffer); |
| mEffects[idx_insert-1]->configure(); |
| } |
| effect->setOutBuffer(mOutBuffer); |
| } else { |
| effect->setOutBuffer(mInBuffer); |
| } |
| mEffects.insertAt(effect, idx_insert); |
| |
| ALOGV("addEffect_l() effect %p, added in chain %p at rank %d", effect.get(), this, |
| idx_insert); |
| } |
| effect->configure(); |
| return NO_ERROR; |
| } |
| |
| // removeEffect_l() must be called with PlaybackThread::mLock held |
| size_t AudioFlinger::EffectChain::removeEffect_l(const sp<EffectModule>& effect) |
| { |
| Mutex::Autolock _l(mLock); |
| size_t size = mEffects.size(); |
| uint32_t type = effect->desc().flags & EFFECT_FLAG_TYPE_MASK; |
| |
| for (size_t i = 0; i < size; i++) { |
| if (effect == mEffects[i]) { |
| // calling stop here will remove pre-processing effect from the audio HAL. |
| // This is safe as we hold the EffectChain mutex which guarantees that we are not in |
| // the middle of a read from audio HAL |
| if (mEffects[i]->state() == EffectModule::ACTIVE || |
| mEffects[i]->state() == EffectModule::STOPPING) { |
| mEffects[i]->stop(); |
| } |
| if (type == EFFECT_FLAG_TYPE_AUXILIARY) { |
| delete[] effect->inBuffer(); |
| } else { |
| if (i == size - 1 && i != 0) { |
| mEffects[i - 1]->setOutBuffer(mOutBuffer); |
| mEffects[i - 1]->configure(); |
| } |
| } |
| mEffects.removeAt(i); |
| ALOGV("removeEffect_l() effect %p, removed from chain %p at rank %d", effect.get(), |
| this, i); |
| break; |
| } |
| } |
| |
| return mEffects.size(); |
| } |
| |
| // setDevice_l() must be called with PlaybackThread::mLock held |
| void AudioFlinger::EffectChain::setDevice_l(audio_devices_t device) |
| { |
| size_t size = mEffects.size(); |
| for (size_t i = 0; i < size; i++) { |
| mEffects[i]->setDevice(device); |
| } |
| } |
| |
| // setMode_l() must be called with PlaybackThread::mLock held |
| void AudioFlinger::EffectChain::setMode_l(audio_mode_t mode) |
| { |
| size_t size = mEffects.size(); |
| for (size_t i = 0; i < size; i++) { |
| mEffects[i]->setMode(mode); |
| } |
| } |
| |
| // setAudioSource_l() must be called with PlaybackThread::mLock held |
| void AudioFlinger::EffectChain::setAudioSource_l(audio_source_t source) |
| { |
| size_t size = mEffects.size(); |
| for (size_t i = 0; i < size; i++) { |
| mEffects[i]->setAudioSource(source); |
| } |
| } |
| |
| // setVolume_l() must be called with PlaybackThread::mLock held |
| bool AudioFlinger::EffectChain::setVolume_l(uint32_t *left, uint32_t *right) |
| { |
| uint32_t newLeft = *left; |
| uint32_t newRight = *right; |
| bool hasControl = false; |
| int ctrlIdx = -1; |
| size_t size = mEffects.size(); |
| |
| // first update volume controller |
| for (size_t i = size; i > 0; i--) { |
| if (mEffects[i - 1]->isProcessEnabled() && |
| (mEffects[i - 1]->desc().flags & EFFECT_FLAG_VOLUME_MASK) == EFFECT_FLAG_VOLUME_CTRL) { |
| ctrlIdx = i - 1; |
| hasControl = true; |
| break; |
| } |
| } |
| |
| if (ctrlIdx == mVolumeCtrlIdx && *left == mLeftVolume && *right == mRightVolume) { |
| if (hasControl) { |
| *left = mNewLeftVolume; |
| *right = mNewRightVolume; |
| } |
| return hasControl; |
| } |
| |
| mVolumeCtrlIdx = ctrlIdx; |
| mLeftVolume = newLeft; |
| mRightVolume = newRight; |
| |
| // second get volume update from volume controller |
| if (ctrlIdx >= 0) { |
| mEffects[ctrlIdx]->setVolume(&newLeft, &newRight, true); |
| mNewLeftVolume = newLeft; |
| mNewRightVolume = newRight; |
| } |
| // then indicate volume to all other effects in chain. |
| // Pass altered volume to effects before volume controller |
| // and requested volume to effects after controller |
| uint32_t lVol = newLeft; |
| uint32_t rVol = newRight; |
| |
| for (size_t i = 0; i < size; i++) { |
| if ((int)i == ctrlIdx) { |
| continue; |
| } |
| // this also works for ctrlIdx == -1 when there is no volume controller |
| if ((int)i > ctrlIdx) { |
| lVol = *left; |
| rVol = *right; |
| } |
| mEffects[i]->setVolume(&lVol, &rVol, false); |
| } |
| *left = newLeft; |
| *right = newRight; |
| |
| return hasControl; |
| } |
| |
| void AudioFlinger::EffectChain::dump(int fd, const Vector<String16>& args) |
| { |
| const size_t SIZE = 256; |
| char buffer[SIZE]; |
| String8 result; |
| |
| snprintf(buffer, SIZE, "Effects for session %d:\n", mSessionId); |
| result.append(buffer); |
| |
| bool locked = AudioFlinger::dumpTryLock(mLock); |
| // failed to lock - AudioFlinger is probably deadlocked |
| if (!locked) { |
| result.append("\tCould not lock mutex:\n"); |
| } |
| |
| result.append("\tNum fx In buffer Out buffer Active tracks:\n"); |
| snprintf(buffer, SIZE, "\t%02d 0x%08x 0x%08x %d\n", |
| mEffects.size(), |
| (uint32_t)mInBuffer, |
| (uint32_t)mOutBuffer, |
| mActiveTrackCnt); |
| result.append(buffer); |
| write(fd, result.string(), result.size()); |
| |
| for (size_t i = 0; i < mEffects.size(); ++i) { |
| sp<EffectModule> effect = mEffects[i]; |
| if (effect != 0) { |
| effect->dump(fd, args); |
| } |
| } |
| |
| if (locked) { |
| mLock.unlock(); |
| } |
| } |
| |
| // must be called with ThreadBase::mLock held |
| void AudioFlinger::EffectChain::setEffectSuspended_l( |
| const effect_uuid_t *type, bool suspend) |
| { |
| sp<SuspendedEffectDesc> desc; |
| // use effect type UUID timelow as key as there is no real risk of identical |
| // timeLow fields among effect type UUIDs. |
| ssize_t index = mSuspendedEffects.indexOfKey(type->timeLow); |
| if (suspend) { |
| if (index >= 0) { |
| desc = mSuspendedEffects.valueAt(index); |
| } else { |
| desc = new SuspendedEffectDesc(); |
| desc->mType = *type; |
| mSuspendedEffects.add(type->timeLow, desc); |
| ALOGV("setEffectSuspended_l() add entry for %08x", type->timeLow); |
| } |
| if (desc->mRefCount++ == 0) { |
| sp<EffectModule> effect = getEffectIfEnabled(type); |
| if (effect != 0) { |
| desc->mEffect = effect; |
| effect->setSuspended(true); |
| effect->setEnabled(false); |
| } |
| } |
| } else { |
| if (index < 0) { |
| return; |
| } |
| desc = mSuspendedEffects.valueAt(index); |
| if (desc->mRefCount <= 0) { |
| ALOGW("setEffectSuspended_l() restore refcount should not be 0 %d", desc->mRefCount); |
| desc->mRefCount = 1; |
| } |
| if (--desc->mRefCount == 0) { |
| ALOGV("setEffectSuspended_l() remove entry for %08x", mSuspendedEffects.keyAt(index)); |
| if (desc->mEffect != 0) { |
| sp<EffectModule> effect = desc->mEffect.promote(); |
| if (effect != 0) { |
| effect->setSuspended(false); |
| effect->lock(); |
| EffectHandle *handle = effect->controlHandle_l(); |
| if (handle != NULL && !handle->destroyed_l()) { |
| effect->setEnabled_l(handle->enabled()); |
| } |
| effect->unlock(); |
| } |
| desc->mEffect.clear(); |
| } |
| mSuspendedEffects.removeItemsAt(index); |
| } |
| } |
| } |
| |
| // must be called with ThreadBase::mLock held |
| void AudioFlinger::EffectChain::setEffectSuspendedAll_l(bool suspend) |
| { |
| sp<SuspendedEffectDesc> desc; |
| |
| ssize_t index = mSuspendedEffects.indexOfKey((int)kKeyForSuspendAll); |
| if (suspend) { |
| if (index >= 0) { |
| desc = mSuspendedEffects.valueAt(index); |
| } else { |
| desc = new SuspendedEffectDesc(); |
| mSuspendedEffects.add((int)kKeyForSuspendAll, desc); |
| ALOGV("setEffectSuspendedAll_l() add entry for 0"); |
| } |
| if (desc->mRefCount++ == 0) { |
| Vector< sp<EffectModule> > effects; |
| getSuspendEligibleEffects(effects); |
| for (size_t i = 0; i < effects.size(); i++) { |
| setEffectSuspended_l(&effects[i]->desc().type, true); |
| } |
| } |
| } else { |
| if (index < 0) { |
| return; |
| } |
| desc = mSuspendedEffects.valueAt(index); |
| if (desc->mRefCount <= 0) { |
| ALOGW("setEffectSuspendedAll_l() restore refcount should not be 0 %d", desc->mRefCount); |
| desc->mRefCount = 1; |
| } |
| if (--desc->mRefCount == 0) { |
| Vector<const effect_uuid_t *> types; |
| for (size_t i = 0; i < mSuspendedEffects.size(); i++) { |
| if (mSuspendedEffects.keyAt(i) == (int)kKeyForSuspendAll) { |
| continue; |
| } |
| types.add(&mSuspendedEffects.valueAt(i)->mType); |
| } |
| for (size_t i = 0; i < types.size(); i++) { |
| setEffectSuspended_l(types[i], false); |
| } |
| ALOGV("setEffectSuspendedAll_l() remove entry for %08x", |
| mSuspendedEffects.keyAt(index)); |
| mSuspendedEffects.removeItem((int)kKeyForSuspendAll); |
| } |
| } |
| } |
| |
| |
| // The volume effect is used for automated tests only |
| #ifndef OPENSL_ES_H_ |
| static const effect_uuid_t SL_IID_VOLUME_ = { 0x09e8ede0, 0xddde, 0x11db, 0xb4f6, |
| { 0x00, 0x02, 0xa5, 0xd5, 0xc5, 0x1b } }; |
| const effect_uuid_t * const SL_IID_VOLUME = &SL_IID_VOLUME_; |
| #endif //OPENSL_ES_H_ |
| |
| bool AudioFlinger::EffectChain::isEffectEligibleForSuspend(const effect_descriptor_t& desc) |
| { |
| // auxiliary effects and visualizer are never suspended on output mix |
| if ((mSessionId == AUDIO_SESSION_OUTPUT_MIX) && |
| (((desc.flags & EFFECT_FLAG_TYPE_MASK) == EFFECT_FLAG_TYPE_AUXILIARY) || |
| (memcmp(&desc.type, SL_IID_VISUALIZATION, sizeof(effect_uuid_t)) == 0) || |
| (memcmp(&desc.type, SL_IID_VOLUME, sizeof(effect_uuid_t)) == 0))) { |
| return false; |
| } |
| return true; |
| } |
| |
| void AudioFlinger::EffectChain::getSuspendEligibleEffects( |
| Vector< sp<AudioFlinger::EffectModule> > &effects) |
| { |
| effects.clear(); |
| for (size_t i = 0; i < mEffects.size(); i++) { |
| if (isEffectEligibleForSuspend(mEffects[i]->desc())) { |
| effects.add(mEffects[i]); |
| } |
| } |
| } |
| |
| sp<AudioFlinger::EffectModule> AudioFlinger::EffectChain::getEffectIfEnabled( |
| const effect_uuid_t *type) |
| { |
| sp<EffectModule> effect = getEffectFromType_l(type); |
| return effect != 0 && effect->isEnabled() ? effect : 0; |
| } |
| |
| void AudioFlinger::EffectChain::checkSuspendOnEffectEnabled(const sp<EffectModule>& effect, |
| bool enabled) |
| { |
| ssize_t index = mSuspendedEffects.indexOfKey(effect->desc().type.timeLow); |
| if (enabled) { |
| if (index < 0) { |
| // if the effect is not suspend check if all effects are suspended |
| index = mSuspendedEffects.indexOfKey((int)kKeyForSuspendAll); |
| if (index < 0) { |
| return; |
| } |
| if (!isEffectEligibleForSuspend(effect->desc())) { |
| return; |
| } |
| setEffectSuspended_l(&effect->desc().type, enabled); |
| index = mSuspendedEffects.indexOfKey(effect->desc().type.timeLow); |
| if (index < 0) { |
| ALOGW("checkSuspendOnEffectEnabled() Fx should be suspended here!"); |
| return; |
| } |
| } |
| ALOGV("checkSuspendOnEffectEnabled() enable suspending fx %08x", |
| effect->desc().type.timeLow); |
| sp<SuspendedEffectDesc> desc = mSuspendedEffects.valueAt(index); |
| // if effect is requested to suspended but was not yet enabled, supend it now. |
| if (desc->mEffect == 0) { |
| desc->mEffect = effect; |
| effect->setEnabled(false); |
| effect->setSuspended(true); |
| } |
| } else { |
| if (index < 0) { |
| return; |
| } |
| ALOGV("checkSuspendOnEffectEnabled() disable restoring fx %08x", |
| effect->desc().type.timeLow); |
| sp<SuspendedEffectDesc> desc = mSuspendedEffects.valueAt(index); |
| desc->mEffect.clear(); |
| effect->setSuspended(false); |
| } |
| } |
| |
| }; // namespace android |
