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Diffstat (limited to 'services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp')
| -rw-r--r-- | services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp | 664 |
1 files changed, 664 insertions, 0 deletions
diff --git a/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp new file mode 100644 index 0000000..e9ff838 --- /dev/null +++ b/services/audiopolicy/service/AudioPolicyInterfaceImpl.cpp @@ -0,0 +1,664 @@ +/* + * 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()"); + + // TODO: check if it is more appropriate to do it in platform specific policy manager + AudioSystem::setMode(state); + + Mutex::Autolock _l(mLock); + 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, + uint32_t samplingRate, + audio_format_t format, + audio_channel_mask_t channelMask, + audio_output_flags_t flags, + const audio_offload_info_t *offloadInfo) +{ + if (mAudioPolicyManager == NULL) { + return NO_INIT; + } + ALOGV("getOutput()"); + Mutex::Autolock _l(mLock); + return mAudioPolicyManager->getOutputForAttr(attr, output, session, stream, samplingRate, + format, channelMask, flags, 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, + uint32_t samplingRate, + audio_format_t format, + audio_channel_mask_t channelMask, + audio_input_flags_t flags) +{ + 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()) || + ((attr->source == AUDIO_SOURCE_FM_TUNER) && !captureFmTunerAllowed())) { + return BAD_VALUE; + } + sp<AudioPolicyEffects>audioPolicyEffects; + status_t status; + AudioPolicyInterface::input_type_t inputType; + { + Mutex::Autolock _l(mLock); + // the audio_in_acoustics_t parameter is ignored by get_input() + status = mAudioPolicyManager->getInputForAttr(attr, input, session, + samplingRate, format, channelMask, + flags, &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_MIX_CAPTURE: + if (!captureAudioOutputAllowed()) { + 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); + mAudioPolicyManager->releaseInput(input, session); + 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); + } + } +} + +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; + } + 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, + int session, + int id) +{ + if (mAudioPolicyManager == NULL) { + return NO_INIT; + } + return mAudioPolicyManager->registerEffect(desc, io, strategy, session, id); +} + +status_t AudioPolicyService::unregisterEffect(int id) +{ + if (mAudioPolicyManager == NULL) { + return NO_INIT; + } + return mAudioPolicyManager->unregisterEffect(id); +} + +status_t AudioPolicyService::setEffectEnabled(int id, bool enabled) +{ + if (mAudioPolicyManager == NULL) { + return NO_INIT; + } + 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(int 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; + } + + 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(!modifyAudioRoutingAllowed()) { + return PERMISSION_DENIED; + } + 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(!modifyAudioRoutingAllowed()) { + return PERMISSION_DENIED; + } + 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(!modifyAudioRoutingAllowed()) { + return PERMISSION_DENIED; + } + 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); + } +} + +}; // namespace android |