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/*
* 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 "AudioPolicyService"
//#define LOG_NDEBUG 0
#include <utils/Log.h>
#include "AudioPolicyService.h"
#include "ServiceUtilities.h"
#include <system/audio.h>
#include <system/audio_policy.h>
#include <hardware/audio_policy.h>
#include <media/AudioPolicyHelper.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 __unused)
{
if (mpAudioPolicy == 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 mpAudioPolicy->set_device_connection_state(mpAudioPolicy, device,
state, device_address);
}
audio_policy_dev_state_t AudioPolicyService::getDeviceConnectionState(
audio_devices_t device,
const char *device_address)
{
if (mpAudioPolicy == NULL) {
return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
}
return mpAudioPolicy->get_device_connection_state(mpAudioPolicy, device,
device_address);
}
status_t AudioPolicyService::setPhoneState(audio_mode_t state)
{
if (mpAudioPolicy == 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);
mpAudioPolicy->set_phone_state(mpAudioPolicy, 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 (mpAudioPolicy == 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);
mpAudioPolicy->set_force_use(mpAudioPolicy, usage, config);
return NO_ERROR;
}
audio_policy_forced_cfg_t AudioPolicyService::getForceUse(audio_policy_force_use_t usage)
{
if (mpAudioPolicy == NULL) {
return AUDIO_POLICY_FORCE_NONE;
}
if (usage < 0 || usage >= AUDIO_POLICY_FORCE_USE_CNT) {
return AUDIO_POLICY_FORCE_NONE;
}
return mpAudioPolicy->get_force_use(mpAudioPolicy, 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 (mpAudioPolicy == NULL) {
return AUDIO_IO_HANDLE_NONE;
}
ALOGV("getOutput()");
Mutex::Autolock _l(mLock);
return mpAudioPolicy->get_output(mpAudioPolicy, 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_PUBLIC_CNT) {
return BAD_VALUE;
}
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
ALOGV("startOutput()");
// create audio processors according to stream
sp<AudioPolicyEffects>audioPolicyEffects;
{
Mutex::Autolock _l(mLock);
audioPolicyEffects = mAudioPolicyEffects;
}
if (audioPolicyEffects != 0) {
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 mpAudioPolicy->start_output(mpAudioPolicy, 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_PUBLIC_CNT) {
return BAD_VALUE;
}
if (mpAudioPolicy == 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());
// release audio processors from the stream
sp<AudioPolicyEffects>audioPolicyEffects;
{
Mutex::Autolock _l(mLock);
audioPolicyEffects = mAudioPolicyEffects;
}
if (audioPolicyEffects != 0) {
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 mpAudioPolicy->stop_output(mpAudioPolicy, output, stream, session);
}
void AudioPolicyService::releaseOutput(audio_io_handle_t output,
audio_stream_type_t stream,
audio_session_t session)
{
if (mpAudioPolicy == NULL) {
return;
}
ALOGV("releaseOutput()");
mOutputCommandThread->releaseOutputCommand(output, stream, session);
}
void AudioPolicyService::doReleaseOutput(audio_io_handle_t output,
audio_stream_type_t stream __unused,
audio_session_t session __unused)
{
ALOGV("doReleaseOutput from tid %d", gettid());
Mutex::Autolock _l(mLock);
mpAudioPolicy->release_output(mpAudioPolicy, output);
}
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 __unused)
{
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
audio_source_t inputSource = attr->source;
// already checked by client, but double-check in case the client wrapper is bypassed
if (inputSource >= AUDIO_SOURCE_CNT && inputSource != AUDIO_SOURCE_HOTWORD &&
inputSource != AUDIO_SOURCE_FM_TUNER) {
return BAD_VALUE;
}
if (inputSource == AUDIO_SOURCE_DEFAULT) {
inputSource = AUDIO_SOURCE_MIC;
}
if (((inputSource == AUDIO_SOURCE_HOTWORD) && !captureHotwordAllowed()) ||
((inputSource == AUDIO_SOURCE_FM_TUNER) && !captureFmTunerAllowed())) {
return BAD_VALUE;
}
sp<AudioPolicyEffects>audioPolicyEffects;
{
Mutex::Autolock _l(mLock);
// the audio_in_acoustics_t parameter is ignored by get_input()
*input = mpAudioPolicy->get_input(mpAudioPolicy, inputSource, samplingRate,
format, channelMask, (audio_in_acoustics_t) 0);
audioPolicyEffects = mAudioPolicyEffects;
}
if (*input == AUDIO_IO_HANDLE_NONE) {
return INVALID_OPERATION;
}
if (audioPolicyEffects != 0) {
// create audio pre processors according to input source
status_t status = audioPolicyEffects->addInputEffects(*input, inputSource, 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 __unused)
{
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
Mutex::Autolock _l(mLock);
return mpAudioPolicy->start_input(mpAudioPolicy, input);
}
status_t AudioPolicyService::stopInput(audio_io_handle_t input,
audio_session_t session __unused)
{
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
Mutex::Autolock _l(mLock);
return mpAudioPolicy->stop_input(mpAudioPolicy, input);
}
void AudioPolicyService::releaseInput(audio_io_handle_t input,
audio_session_t session __unused)
{
if (mpAudioPolicy == NULL) {
return;
}
sp<AudioPolicyEffects>audioPolicyEffects;
{
Mutex::Autolock _l(mLock);
mpAudioPolicy->release_input(mpAudioPolicy, input);
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 (mpAudioPolicy == NULL) {
return NO_INIT;
}
if (!settingsAllowed()) {
return PERMISSION_DENIED;
}
if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
return BAD_VALUE;
}
Mutex::Autolock _l(mLock);
mpAudioPolicy->init_stream_volume(mpAudioPolicy, stream, indexMin, indexMax);
return NO_ERROR;
}
status_t AudioPolicyService::setStreamVolumeIndex(audio_stream_type_t stream,
int index,
audio_devices_t device)
{
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
if (!settingsAllowed()) {
return PERMISSION_DENIED;
}
if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
return BAD_VALUE;
}
Mutex::Autolock _l(mLock);
if (mpAudioPolicy->set_stream_volume_index_for_device) {
return mpAudioPolicy->set_stream_volume_index_for_device(mpAudioPolicy,
stream,
index,
device);
} else {
return mpAudioPolicy->set_stream_volume_index(mpAudioPolicy, stream, index);
}
}
status_t AudioPolicyService::getStreamVolumeIndex(audio_stream_type_t stream,
int *index,
audio_devices_t device)
{
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
return BAD_VALUE;
}
Mutex::Autolock _l(mLock);
if (mpAudioPolicy->get_stream_volume_index_for_device) {
return mpAudioPolicy->get_stream_volume_index_for_device(mpAudioPolicy,
stream,
index,
device);
} else {
return mpAudioPolicy->get_stream_volume_index(mpAudioPolicy, stream, index);
}
}
uint32_t AudioPolicyService::getStrategyForStream(audio_stream_type_t stream)
{
if (uint32_t(stream) >= AUDIO_STREAM_PUBLIC_CNT) {
return 0;
}
if (mpAudioPolicy == NULL) {
return 0;
}
return mpAudioPolicy->get_strategy_for_stream(mpAudioPolicy, 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 (mpAudioPolicy == NULL) {
return AUDIO_DEVICE_NONE;
}
return mpAudioPolicy->get_devices_for_stream(mpAudioPolicy, 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 (mpAudioPolicy == NULL) {
return 0;
}
Mutex::Autolock _l(mLock);
return mpAudioPolicy->get_output_for_effect(mpAudioPolicy, desc);
}
status_t AudioPolicyService::registerEffect(const effect_descriptor_t *desc,
audio_io_handle_t io,
uint32_t strategy,
int session,
int id)
{
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
return mpAudioPolicy->register_effect(mpAudioPolicy, desc, io, strategy, session, id);
}
status_t AudioPolicyService::unregisterEffect(int id)
{
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
return mpAudioPolicy->unregister_effect(mpAudioPolicy, id);
}
status_t AudioPolicyService::setEffectEnabled(int id, bool enabled)
{
if (mpAudioPolicy == NULL) {
return NO_INIT;
}
return mpAudioPolicy->set_effect_enabled(mpAudioPolicy, 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 (mpAudioPolicy == NULL) {
return false;
}
Mutex::Autolock _l(mLock);
return mpAudioPolicy->is_stream_active(mpAudioPolicy, 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 (mpAudioPolicy == NULL) {
return false;
}
Mutex::Autolock _l(mLock);
return mpAudioPolicy->is_stream_active_remotely(mpAudioPolicy, stream, inPastMs);
}
bool AudioPolicyService::isSourceActive(audio_source_t source) const
{
if (mpAudioPolicy == NULL) {
return false;
}
if (mpAudioPolicy->is_source_active == 0) {
return false;
}
Mutex::Autolock _l(mLock);
return mpAudioPolicy->is_source_active(mpAudioPolicy, source);
}
status_t AudioPolicyService::queryDefaultPreProcessing(int audioSession,
effect_descriptor_t *descriptors,
uint32_t *count)
{
if (mpAudioPolicy == 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 (mpAudioPolicy == NULL) {
ALOGV("mpAudioPolicy == NULL");
return false;
}
if (mpAudioPolicy->is_offload_supported == NULL) {
ALOGV("HAL does not implement is_offload_supported");
return false;
}
return mpAudioPolicy->is_offload_supported(mpAudioPolicy, &info);
}
status_t AudioPolicyService::listAudioPorts(audio_port_role_t role __unused,
audio_port_type_t type __unused,
unsigned int *num_ports,
struct audio_port *ports __unused,
unsigned int *generation __unused)
{
*num_ports = 0;
return INVALID_OPERATION;
}
status_t AudioPolicyService::getAudioPort(struct audio_port *port __unused)
{
return INVALID_OPERATION;
}
status_t AudioPolicyService::createAudioPatch(const struct audio_patch *patch __unused,
audio_patch_handle_t *handle __unused)
{
return INVALID_OPERATION;
}
status_t AudioPolicyService::releaseAudioPatch(audio_patch_handle_t handle __unused)
{
return INVALID_OPERATION;
}
status_t AudioPolicyService::listAudioPatches(unsigned int *num_patches,
struct audio_patch *patches __unused,
unsigned int *generation __unused)
{
*num_patches = 0;
return INVALID_OPERATION;
}
status_t AudioPolicyService::setAudioPortConfig(const struct audio_port_config *config __unused)
{
return INVALID_OPERATION;
}
status_t AudioPolicyService::getOutputForAttr(const audio_attributes_t *attr,
audio_io_handle_t *output,
audio_session_t session __unused,
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 (attr != NULL) {
*stream = audio_attributes_to_stream_type(attr);
} else {
if (*stream == AUDIO_STREAM_DEFAULT) {
return BAD_VALUE;
}
}
*output = getOutput(*stream, samplingRate, format, channelMask,
flags, offloadInfo);
if (*output == AUDIO_IO_HANDLE_NONE) {
return INVALID_OPERATION;
}
return NO_ERROR;
}
status_t AudioPolicyService::acquireSoundTriggerSession(audio_session_t *session __unused,
audio_io_handle_t *ioHandle __unused,
audio_devices_t *device __unused)
{
return INVALID_OPERATION;
}
status_t AudioPolicyService::releaseSoundTriggerSession(audio_session_t session __unused)
{
return INVALID_OPERATION;
}
status_t AudioPolicyService::registerPolicyMixes(Vector<AudioMix> mixes __unused,
bool registration __unused)
{
return INVALID_OPERATION;
}
}; // namespace android
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