| /* |
| * Copyright (C) 2009 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 "AudioPolicyIntefaceImpl" |
| //#define LOG_NDEBUG 0 |
| |
| #include <utils/Log.h> |
| #include "AudioPolicyService.h" |
| #include "ServiceUtilities.h" |
| |
| namespace android { |
| |
| |
| // ---------------------------------------------------------------------------- |
| |
| status_t AudioPolicyService::setDeviceConnectionState(audio_devices_t device, |
| audio_policy_dev_state_t state, |
| const char *device_address, |
| const char *device_name) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| if (!settingsAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (!audio_is_output_device(device) && !audio_is_input_device(device)) { |
| return BAD_VALUE; |
| } |
| if (state != AUDIO_POLICY_DEVICE_STATE_AVAILABLE && |
| state != AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE) { |
| return BAD_VALUE; |
| } |
| |
| ALOGV("setDeviceConnectionState()"); |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->setDeviceConnectionState(device, state, |
| device_address, device_name); |
| } |
| |
| audio_policy_dev_state_t AudioPolicyService::getDeviceConnectionState( |
| audio_devices_t device, |
| const char *device_address) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE; |
| } |
| return mAudioPolicyManager->getDeviceConnectionState(device, |
| device_address); |
| } |
| |
| status_t AudioPolicyService::setPhoneState(audio_mode_t state) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| if (!settingsAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (uint32_t(state) >= AUDIO_MODE_CNT) { |
| return BAD_VALUE; |
| } |
| |
| ALOGV("setPhoneState()"); |
| |
| // acquire lock before calling setMode() so that setMode() + setPhoneState() are an atomic |
| // operation from policy manager standpoint (no other operation (e.g track start or stop) |
| // can be interleaved). |
| Mutex::Autolock _l(mLock); |
| |
| // TODO: check if it is more appropriate to do it in platform specific policy manager |
| AudioSystem::setMode(state); |
| |
| mAudioPolicyManager->setPhoneState(state); |
| mPhoneState = state; |
| return NO_ERROR; |
| } |
| |
| audio_mode_t AudioPolicyService::getPhoneState() |
| { |
| Mutex::Autolock _l(mLock); |
| return mPhoneState; |
| } |
| |
| status_t AudioPolicyService::setForceUse(audio_policy_force_use_t usage, |
| audio_policy_forced_cfg_t config) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| if (!settingsAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (usage < 0 || usage >= AUDIO_POLICY_FORCE_USE_CNT) { |
| return BAD_VALUE; |
| } |
| if (config < 0 || config >= AUDIO_POLICY_FORCE_CFG_CNT) { |
| return BAD_VALUE; |
| } |
| ALOGV("setForceUse()"); |
| Mutex::Autolock _l(mLock); |
| mAudioPolicyManager->setForceUse(usage, config); |
| return NO_ERROR; |
| } |
| |
| audio_policy_forced_cfg_t AudioPolicyService::getForceUse(audio_policy_force_use_t usage) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return AUDIO_POLICY_FORCE_NONE; |
| } |
| if (usage < 0 || usage >= AUDIO_POLICY_FORCE_USE_CNT) { |
| return AUDIO_POLICY_FORCE_NONE; |
| } |
| return mAudioPolicyManager->getForceUse(usage); |
| } |
| |
| audio_io_handle_t AudioPolicyService::getOutput(audio_stream_type_t stream, |
| uint32_t samplingRate, |
| audio_format_t format, |
| audio_channel_mask_t channelMask, |
| audio_output_flags_t flags, |
| const audio_offload_info_t *offloadInfo) |
| { |
| if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) { |
| return AUDIO_IO_HANDLE_NONE; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return AUDIO_IO_HANDLE_NONE; |
| } |
| ALOGV("getOutput()"); |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->getOutput(stream, samplingRate, |
| format, channelMask, flags, offloadInfo); |
| } |
| |
| status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr, |
| audio_io_handle_t *output, |
| audio_session_t session, |
| audio_stream_type_t *stream, |
| uid_t uid, |
| uint32_t samplingRate, |
| audio_format_t format, |
| audio_channel_mask_t channelMask, |
| audio_output_flags_t flags, |
| audio_port_handle_t selectedDeviceId, |
| const audio_offload_info_t *offloadInfo) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| ALOGV("getOutput()"); |
| Mutex::Autolock _l(mLock); |
| |
| const uid_t callingUid = IPCThreadState::self()->getCallingUid(); |
| if (!isTrustedCallingUid(callingUid) || uid == (uid_t)-1) { |
| ALOGW_IF(uid != (uid_t)-1 && uid != callingUid, |
| "%s uid %d tried to pass itself off as %d", __FUNCTION__, callingUid, uid); |
| uid = callingUid; |
| } |
| return mAudioPolicyManager->getOutputForAttr(attr, output, session, stream, uid, samplingRate, |
| format, channelMask, flags, selectedDeviceId, offloadInfo); |
| } |
| |
| status_t AudioPolicyService::startOutput(audio_io_handle_t output, |
| audio_stream_type_t stream, |
| audio_session_t session) |
| { |
| if (uint32_t(stream) >= AUDIO_STREAM_CNT) { |
| return BAD_VALUE; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| ALOGV("startOutput()"); |
| sp<AudioPolicyEffects>audioPolicyEffects; |
| { |
| Mutex::Autolock _l(mLock); |
| audioPolicyEffects = mAudioPolicyEffects; |
| } |
| if (audioPolicyEffects != 0) { |
| // create audio processors according to stream |
| status_t status = audioPolicyEffects->addOutputSessionEffects(output, stream, session); |
| if (status != NO_ERROR && status != ALREADY_EXISTS) { |
| ALOGW("Failed to add effects on session %d", session); |
| } |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->startOutput(output, stream, session); |
| } |
| |
| status_t AudioPolicyService::stopOutput(audio_io_handle_t output, |
| audio_stream_type_t stream, |
| audio_session_t session) |
| { |
| if (uint32_t(stream) >= AUDIO_STREAM_CNT) { |
| return BAD_VALUE; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| ALOGV("stopOutput()"); |
| mOutputCommandThread->stopOutputCommand(output, stream, session); |
| return NO_ERROR; |
| } |
| |
| status_t AudioPolicyService::doStopOutput(audio_io_handle_t output, |
| audio_stream_type_t stream, |
| audio_session_t session) |
| { |
| ALOGV("doStopOutput from tid %d", gettid()); |
| sp<AudioPolicyEffects>audioPolicyEffects; |
| { |
| Mutex::Autolock _l(mLock); |
| audioPolicyEffects = mAudioPolicyEffects; |
| } |
| if (audioPolicyEffects != 0) { |
| // release audio processors from the stream |
| status_t status = audioPolicyEffects->releaseOutputSessionEffects(output, stream, session); |
| if (status != NO_ERROR && status != ALREADY_EXISTS) { |
| ALOGW("Failed to release effects on session %d", session); |
| } |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->stopOutput(output, stream, session); |
| } |
| |
| void AudioPolicyService::releaseOutput(audio_io_handle_t output, |
| audio_stream_type_t stream, |
| audio_session_t session) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return; |
| } |
| ALOGV("releaseOutput()"); |
| mOutputCommandThread->releaseOutputCommand(output, stream, session); |
| } |
| |
| void AudioPolicyService::doReleaseOutput(audio_io_handle_t output, |
| audio_stream_type_t stream, |
| audio_session_t session) |
| { |
| ALOGV("doReleaseOutput from tid %d", gettid()); |
| Mutex::Autolock _l(mLock); |
| mAudioPolicyManager->releaseOutput(output, stream, session); |
| } |
| |
| status_t AudioPolicyService::getInputForAttr(const audio_attributes_t *attr, |
| audio_io_handle_t *input, |
| audio_session_t session, |
| pid_t pid, |
| uid_t uid, |
| uint32_t samplingRate, |
| audio_format_t format, |
| audio_channel_mask_t channelMask, |
| audio_input_flags_t flags, |
| audio_port_handle_t selectedDeviceId) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| // already checked by client, but double-check in case the client wrapper is bypassed |
| if (attr->source >= AUDIO_SOURCE_CNT && attr->source != AUDIO_SOURCE_HOTWORD && |
| attr->source != AUDIO_SOURCE_FM_TUNER) { |
| return BAD_VALUE; |
| } |
| |
| if ((attr->source == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) { |
| return BAD_VALUE; |
| } |
| sp<AudioPolicyEffects>audioPolicyEffects; |
| status_t status; |
| AudioPolicyInterface::input_type_t inputType; |
| |
| bool updatePid = (pid == -1); |
| const uid_t callingUid = IPCThreadState::self()->getCallingUid(); |
| if (!isTrustedCallingUid(callingUid)) { |
| ALOGW_IF(uid != (uid_t)-1 && uid != callingUid, |
| "%s uid %d tried to pass itself off as %d", __FUNCTION__, callingUid, uid); |
| uid = callingUid; |
| updatePid = true; |
| } |
| |
| if (updatePid) { |
| const pid_t callingPid = IPCThreadState::self()->getCallingPid(); |
| ALOGW_IF(pid != (pid_t)-1 && pid != callingPid, |
| "%s uid %d pid %d tried to pass itself off as pid %d", |
| __func__, callingUid, callingPid, pid); |
| pid = callingPid; |
| } |
| |
| { |
| Mutex::Autolock _l(mLock); |
| // the audio_in_acoustics_t parameter is ignored by get_input() |
| status = mAudioPolicyManager->getInputForAttr(attr, input, session, uid, |
| samplingRate, format, channelMask, |
| flags, selectedDeviceId, |
| &inputType); |
| audioPolicyEffects = mAudioPolicyEffects; |
| |
| if (status == NO_ERROR) { |
| // enforce permission (if any) required for each type of input |
| switch (inputType) { |
| case AudioPolicyInterface::API_INPUT_LEGACY: |
| break; |
| case AudioPolicyInterface::API_INPUT_TELEPHONY_RX: |
| // FIXME: use the same permission as for remote submix for now. |
| case AudioPolicyInterface::API_INPUT_MIX_CAPTURE: |
| if (!captureAudioOutputAllowed(pid, uid)) { |
| ALOGE("getInputForAttr() permission denied: capture not allowed"); |
| status = PERMISSION_DENIED; |
| } |
| break; |
| case AudioPolicyInterface::API_INPUT_MIX_EXT_POLICY_REROUTE: |
| if (!modifyAudioRoutingAllowed()) { |
| ALOGE("getInputForAttr() permission denied: modify audio routing not allowed"); |
| status = PERMISSION_DENIED; |
| } |
| break; |
| case AudioPolicyInterface::API_INPUT_INVALID: |
| default: |
| LOG_ALWAYS_FATAL("getInputForAttr() encountered an invalid input type %d", |
| (int)inputType); |
| } |
| } |
| |
| if (status != NO_ERROR) { |
| if (status == PERMISSION_DENIED) { |
| mAudioPolicyManager->releaseInput(*input, session); |
| } |
| return status; |
| } |
| } |
| |
| if (audioPolicyEffects != 0) { |
| // create audio pre processors according to input source |
| status_t status = audioPolicyEffects->addInputEffects(*input, attr->source, session); |
| if (status != NO_ERROR && status != ALREADY_EXISTS) { |
| ALOGW("Failed to add effects on input %d", *input); |
| } |
| } |
| return NO_ERROR; |
| } |
| |
| status_t AudioPolicyService::startInput(audio_io_handle_t input, |
| audio_session_t session) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| Mutex::Autolock _l(mLock); |
| |
| return mAudioPolicyManager->startInput(input, session); |
| } |
| |
| status_t AudioPolicyService::stopInput(audio_io_handle_t input, |
| audio_session_t session) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| Mutex::Autolock _l(mLock); |
| |
| return mAudioPolicyManager->stopInput(input, session); |
| } |
| |
| void AudioPolicyService::releaseInput(audio_io_handle_t input, |
| audio_session_t session) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return; |
| } |
| sp<AudioPolicyEffects>audioPolicyEffects; |
| { |
| Mutex::Autolock _l(mLock); |
| audioPolicyEffects = mAudioPolicyEffects; |
| } |
| if (audioPolicyEffects != 0) { |
| // release audio processors from the input |
| status_t status = audioPolicyEffects->releaseInputEffects(input); |
| if(status != NO_ERROR) { |
| ALOGW("Failed to release effects on input %d", input); |
| } |
| } |
| { |
| Mutex::Autolock _l(mLock); |
| mAudioPolicyManager->releaseInput(input, session); |
| } |
| } |
| |
| status_t AudioPolicyService::initStreamVolume(audio_stream_type_t stream, |
| int indexMin, |
| int indexMax) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| if (!settingsAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) { |
| return BAD_VALUE; |
| } |
| Mutex::Autolock _l(mLock); |
| mAudioPolicyManager->initStreamVolume(stream, indexMin, indexMax); |
| return NO_ERROR; |
| } |
| |
| status_t AudioPolicyService::setStreamVolumeIndex(audio_stream_type_t stream, |
| int index, |
| audio_devices_t device) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| if (!settingsAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) { |
| return BAD_VALUE; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->setStreamVolumeIndex(stream, |
| index, |
| device); |
| } |
| |
| status_t AudioPolicyService::getStreamVolumeIndex(audio_stream_type_t stream, |
| int *index, |
| audio_devices_t device) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) { |
| return BAD_VALUE; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->getStreamVolumeIndex(stream, |
| index, |
| device); |
| } |
| |
| uint32_t AudioPolicyService::getStrategyForStream(audio_stream_type_t stream) |
| { |
| if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) { |
| return 0; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return 0; |
| } |
| return mAudioPolicyManager->getStrategyForStream(stream); |
| } |
| |
| //audio policy: use audio_device_t appropriately |
| |
| audio_devices_t AudioPolicyService::getDevicesForStream(audio_stream_type_t stream) |
| { |
| if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) { |
| return AUDIO_DEVICE_NONE; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return AUDIO_DEVICE_NONE; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->getDevicesForStream(stream); |
| } |
| |
| audio_io_handle_t AudioPolicyService::getOutputForEffect(const effect_descriptor_t *desc) |
| { |
| // FIXME change return type to status_t, and return NO_INIT here |
| if (mAudioPolicyManager == NULL) { |
| return 0; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->getOutputForEffect(desc); |
| } |
| |
| status_t AudioPolicyService::registerEffect(const effect_descriptor_t *desc, |
| audio_io_handle_t io, |
| uint32_t strategy, |
| audio_session_t session, |
| int id) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| Mutex::Autolock _l(mEffectsLock); |
| return mAudioPolicyManager->registerEffect(desc, io, strategy, session, id); |
| } |
| |
| status_t AudioPolicyService::unregisterEffect(int id) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| Mutex::Autolock _l(mEffectsLock); |
| return mAudioPolicyManager->unregisterEffect(id); |
| } |
| |
| status_t AudioPolicyService::setEffectEnabled(int id, bool enabled) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| Mutex::Autolock _l(mEffectsLock); |
| return mAudioPolicyManager->setEffectEnabled(id, enabled); |
| } |
| |
| bool AudioPolicyService::isStreamActive(audio_stream_type_t stream, uint32_t inPastMs) const |
| { |
| if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) { |
| return false; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return false; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->isStreamActive(stream, inPastMs); |
| } |
| |
| bool AudioPolicyService::isStreamActiveRemotely(audio_stream_type_t stream, uint32_t inPastMs) const |
| { |
| if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) { |
| return false; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return false; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->isStreamActiveRemotely(stream, inPastMs); |
| } |
| |
| bool AudioPolicyService::isSourceActive(audio_source_t source) const |
| { |
| if (mAudioPolicyManager == NULL) { |
| return false; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->isSourceActive(source); |
| } |
| |
| status_t AudioPolicyService::queryDefaultPreProcessing(audio_session_t audioSession, |
| effect_descriptor_t *descriptors, |
| uint32_t *count) |
| { |
| if (mAudioPolicyManager == NULL) { |
| *count = 0; |
| return NO_INIT; |
| } |
| sp<AudioPolicyEffects>audioPolicyEffects; |
| { |
| Mutex::Autolock _l(mLock); |
| audioPolicyEffects = mAudioPolicyEffects; |
| } |
| if (audioPolicyEffects == 0) { |
| *count = 0; |
| return NO_INIT; |
| } |
| return audioPolicyEffects->queryDefaultInputEffects(audioSession, descriptors, count); |
| } |
| |
| bool AudioPolicyService::isOffloadSupported(const audio_offload_info_t& info) |
| { |
| if (mAudioPolicyManager == NULL) { |
| ALOGV("mAudioPolicyManager == NULL"); |
| return false; |
| } |
| Mutex::Autolock _l(mLock); |
| Mutex::Autolock _le(mEffectsLock); // isOffloadSupported queries for |
| // non-offloadable effects |
| return mAudioPolicyManager->isOffloadSupported(info); |
| } |
| |
| status_t AudioPolicyService::listAudioPorts(audio_port_role_t role, |
| audio_port_type_t type, |
| unsigned int *num_ports, |
| struct audio_port *ports, |
| unsigned int *generation) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->listAudioPorts(role, type, num_ports, ports, generation); |
| } |
| |
| status_t AudioPolicyService::getAudioPort(struct audio_port *port) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->getAudioPort(port); |
| } |
| |
| status_t AudioPolicyService::createAudioPatch(const struct audio_patch *patch, |
| audio_patch_handle_t *handle) |
| { |
| Mutex::Autolock _l(mLock); |
| if(!modifyAudioRoutingAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| return mAudioPolicyManager->createAudioPatch(patch, handle, |
| IPCThreadState::self()->getCallingUid()); |
| } |
| |
| status_t AudioPolicyService::releaseAudioPatch(audio_patch_handle_t handle) |
| { |
| Mutex::Autolock _l(mLock); |
| if(!modifyAudioRoutingAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->releaseAudioPatch(handle, |
| IPCThreadState::self()->getCallingUid()); |
| } |
| |
| status_t AudioPolicyService::listAudioPatches(unsigned int *num_patches, |
| struct audio_patch *patches, |
| unsigned int *generation) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->listAudioPatches(num_patches, patches, generation); |
| } |
| |
| status_t AudioPolicyService::setAudioPortConfig(const struct audio_port_config *config) |
| { |
| Mutex::Autolock _l(mLock); |
| if(!modifyAudioRoutingAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->setAudioPortConfig(config); |
| } |
| |
| status_t AudioPolicyService::acquireSoundTriggerSession(audio_session_t *session, |
| audio_io_handle_t *ioHandle, |
| audio_devices_t *device) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->acquireSoundTriggerSession(session, ioHandle, device); |
| } |
| |
| status_t AudioPolicyService::releaseSoundTriggerSession(audio_session_t session) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->releaseSoundTriggerSession(session); |
| } |
| |
| status_t AudioPolicyService::registerPolicyMixes(Vector<AudioMix> mixes, bool registration) |
| { |
| Mutex::Autolock _l(mLock); |
| if(!modifyAudioRoutingAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| if (registration) { |
| return mAudioPolicyManager->registerPolicyMixes(mixes); |
| } else { |
| return mAudioPolicyManager->unregisterPolicyMixes(mixes); |
| } |
| } |
| |
| status_t AudioPolicyService::startAudioSource(const struct audio_port_config *source, |
| const audio_attributes_t *attributes, |
| audio_io_handle_t *handle) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->startAudioSource(source, attributes, handle, |
| IPCThreadState::self()->getCallingUid()); |
| } |
| |
| status_t AudioPolicyService::stopAudioSource(audio_io_handle_t handle) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| |
| return mAudioPolicyManager->stopAudioSource(handle); |
| } |
| |
| status_t AudioPolicyService::setMasterMono(bool mono) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| if (!settingsAllowed()) { |
| return PERMISSION_DENIED; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->setMasterMono(mono); |
| } |
| |
| status_t AudioPolicyService::getMasterMono(bool *mono) |
| { |
| if (mAudioPolicyManager == NULL) { |
| return NO_INIT; |
| } |
| Mutex::Autolock _l(mLock); |
| return mAudioPolicyManager->getMasterMono(mono); |
| } |
| |
| }; // namespace android |
