dca56b9432
Replace null device address string by empty sting. Change-Id: I285c35f3345334e6d2190493b1a8a5aca1a361a4
755 lines
25 KiB
C++
755 lines
25 KiB
C++
/*
|
|
* Copyright (C) 2006-2007 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 "AudioSystem"
|
|
//#define LOG_NDEBUG 0
|
|
|
|
#include <utils/Log.h>
|
|
#include <binder/IServiceManager.h>
|
|
#include <media/AudioSystem.h>
|
|
#include <media/IAudioPolicyService.h>
|
|
#include <math.h>
|
|
|
|
#include <system/audio.h>
|
|
|
|
// ----------------------------------------------------------------------------
|
|
|
|
namespace android {
|
|
|
|
// client singleton for AudioFlinger binder interface
|
|
Mutex AudioSystem::gLock;
|
|
sp<IAudioFlinger> AudioSystem::gAudioFlinger;
|
|
sp<AudioSystem::AudioFlingerClient> AudioSystem::gAudioFlingerClient;
|
|
audio_error_callback AudioSystem::gAudioErrorCallback = NULL;
|
|
// Cached values
|
|
DefaultKeyedVector<int, audio_io_handle_t> AudioSystem::gStreamOutputMap(0);
|
|
DefaultKeyedVector<audio_io_handle_t, AudioSystem::OutputDescriptor *> AudioSystem::gOutputs(0);
|
|
|
|
// Cached values for recording queries
|
|
uint32_t AudioSystem::gPrevInSamplingRate = 16000;
|
|
int AudioSystem::gPrevInFormat = AUDIO_FORMAT_PCM_16_BIT;
|
|
int AudioSystem::gPrevInChannelCount = 1;
|
|
size_t AudioSystem::gInBuffSize = 0;
|
|
|
|
|
|
// establish binder interface to AudioFlinger service
|
|
const sp<IAudioFlinger>& AudioSystem::get_audio_flinger()
|
|
{
|
|
Mutex::Autolock _l(gLock);
|
|
if (gAudioFlinger.get() == 0) {
|
|
sp<IServiceManager> sm = defaultServiceManager();
|
|
sp<IBinder> binder;
|
|
do {
|
|
binder = sm->getService(String16("media.audio_flinger"));
|
|
if (binder != 0)
|
|
break;
|
|
LOGW("AudioFlinger not published, waiting...");
|
|
usleep(500000); // 0.5 s
|
|
} while(true);
|
|
if (gAudioFlingerClient == NULL) {
|
|
gAudioFlingerClient = new AudioFlingerClient();
|
|
} else {
|
|
if (gAudioErrorCallback) {
|
|
gAudioErrorCallback(NO_ERROR);
|
|
}
|
|
}
|
|
binder->linkToDeath(gAudioFlingerClient);
|
|
gAudioFlinger = interface_cast<IAudioFlinger>(binder);
|
|
gAudioFlinger->registerClient(gAudioFlingerClient);
|
|
}
|
|
LOGE_IF(gAudioFlinger==0, "no AudioFlinger!?");
|
|
|
|
return gAudioFlinger;
|
|
}
|
|
|
|
status_t AudioSystem::muteMicrophone(bool state) {
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
return af->setMicMute(state);
|
|
}
|
|
|
|
status_t AudioSystem::isMicrophoneMuted(bool* state) {
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
*state = af->getMicMute();
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::setMasterVolume(float value)
|
|
{
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
af->setMasterVolume(value);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::setMasterMute(bool mute)
|
|
{
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
af->setMasterMute(mute);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::getMasterVolume(float* volume)
|
|
{
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
*volume = af->masterVolume();
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::getMasterMute(bool* mute)
|
|
{
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
*mute = af->masterMute();
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::setStreamVolume(int stream, float value, int output)
|
|
{
|
|
if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE;
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
af->setStreamVolume(stream, value, output);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::setStreamMute(int stream, bool mute)
|
|
{
|
|
if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE;
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
af->setStreamMute(stream, mute);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::getStreamVolume(int stream, float* volume, int output)
|
|
{
|
|
if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE;
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
*volume = af->streamVolume(stream, output);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::getStreamMute(int stream, bool* mute)
|
|
{
|
|
if (uint32_t(stream) >= AUDIO_STREAM_CNT) return BAD_VALUE;
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
*mute = af->streamMute(stream);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::setMode(int mode)
|
|
{
|
|
if (mode >= AUDIO_MODE_CNT) return BAD_VALUE;
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
return af->setMode(mode);
|
|
}
|
|
|
|
status_t AudioSystem::setParameters(audio_io_handle_t ioHandle, const String8& keyValuePairs) {
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
return af->setParameters(ioHandle, keyValuePairs);
|
|
}
|
|
|
|
String8 AudioSystem::getParameters(audio_io_handle_t ioHandle, const String8& keys) {
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
String8 result = String8("");
|
|
if (af == 0) return result;
|
|
|
|
result = af->getParameters(ioHandle, keys);
|
|
return result;
|
|
}
|
|
|
|
// convert volume steps to natural log scale
|
|
|
|
// change this value to change volume scaling
|
|
static const float dBPerStep = 0.5f;
|
|
// shouldn't need to touch these
|
|
static const float dBConvert = -dBPerStep * 2.302585093f / 20.0f;
|
|
static const float dBConvertInverse = 1.0f / dBConvert;
|
|
|
|
float AudioSystem::linearToLog(int volume)
|
|
{
|
|
// float v = volume ? exp(float(100 - volume) * dBConvert) : 0;
|
|
// LOGD("linearToLog(%d)=%f", volume, v);
|
|
// return v;
|
|
return volume ? exp(float(100 - volume) * dBConvert) : 0;
|
|
}
|
|
|
|
int AudioSystem::logToLinear(float volume)
|
|
{
|
|
// int v = volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0;
|
|
// LOGD("logTolinear(%d)=%f", v, volume);
|
|
// return v;
|
|
return volume ? 100 - int(dBConvertInverse * log(volume) + 0.5) : 0;
|
|
}
|
|
|
|
status_t AudioSystem::getOutputSamplingRate(int* samplingRate, int streamType)
|
|
{
|
|
OutputDescriptor *outputDesc;
|
|
audio_io_handle_t output;
|
|
|
|
if (streamType == AUDIO_STREAM_DEFAULT) {
|
|
streamType = AUDIO_STREAM_MUSIC;
|
|
}
|
|
|
|
output = getOutput((audio_stream_type_t)streamType);
|
|
if (output == 0) {
|
|
return PERMISSION_DENIED;
|
|
}
|
|
|
|
gLock.lock();
|
|
outputDesc = AudioSystem::gOutputs.valueFor(output);
|
|
if (outputDesc == 0) {
|
|
LOGV("getOutputSamplingRate() no output descriptor for output %d in gOutputs", output);
|
|
gLock.unlock();
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
*samplingRate = af->sampleRate(output);
|
|
} else {
|
|
LOGV("getOutputSamplingRate() reading from output desc");
|
|
*samplingRate = outputDesc->samplingRate;
|
|
gLock.unlock();
|
|
}
|
|
|
|
LOGV("getOutputSamplingRate() streamType %d, output %d, sampling rate %d", streamType, output, *samplingRate);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::getOutputFrameCount(int* frameCount, int streamType)
|
|
{
|
|
OutputDescriptor *outputDesc;
|
|
audio_io_handle_t output;
|
|
|
|
if (streamType == AUDIO_STREAM_DEFAULT) {
|
|
streamType = AUDIO_STREAM_MUSIC;
|
|
}
|
|
|
|
output = getOutput((audio_stream_type_t)streamType);
|
|
if (output == 0) {
|
|
return PERMISSION_DENIED;
|
|
}
|
|
|
|
gLock.lock();
|
|
outputDesc = AudioSystem::gOutputs.valueFor(output);
|
|
if (outputDesc == 0) {
|
|
gLock.unlock();
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
*frameCount = af->frameCount(output);
|
|
} else {
|
|
*frameCount = outputDesc->frameCount;
|
|
gLock.unlock();
|
|
}
|
|
|
|
LOGV("getOutputFrameCount() streamType %d, output %d, frameCount %d", streamType, output, *frameCount);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::getOutputLatency(uint32_t* latency, int streamType)
|
|
{
|
|
OutputDescriptor *outputDesc;
|
|
audio_io_handle_t output;
|
|
|
|
if (streamType == AUDIO_STREAM_DEFAULT) {
|
|
streamType = AUDIO_STREAM_MUSIC;
|
|
}
|
|
|
|
output = getOutput((audio_stream_type_t)streamType);
|
|
if (output == 0) {
|
|
return PERMISSION_DENIED;
|
|
}
|
|
|
|
gLock.lock();
|
|
outputDesc = AudioSystem::gOutputs.valueFor(output);
|
|
if (outputDesc == 0) {
|
|
gLock.unlock();
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
*latency = af->latency(output);
|
|
} else {
|
|
*latency = outputDesc->latency;
|
|
gLock.unlock();
|
|
}
|
|
|
|
LOGV("getOutputLatency() streamType %d, output %d, latency %d", streamType, output, *latency);
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::getInputBufferSize(uint32_t sampleRate, int format, int channelCount,
|
|
size_t* buffSize)
|
|
{
|
|
// Do we have a stale gInBufferSize or are we requesting the input buffer size for new values
|
|
if ((gInBuffSize == 0) || (sampleRate != gPrevInSamplingRate) || (format != gPrevInFormat)
|
|
|| (channelCount != gPrevInChannelCount)) {
|
|
// save the request params
|
|
gPrevInSamplingRate = sampleRate;
|
|
gPrevInFormat = format;
|
|
gPrevInChannelCount = channelCount;
|
|
|
|
gInBuffSize = 0;
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) {
|
|
return PERMISSION_DENIED;
|
|
}
|
|
gInBuffSize = af->getInputBufferSize(sampleRate, format, channelCount);
|
|
}
|
|
*buffSize = gInBuffSize;
|
|
|
|
return NO_ERROR;
|
|
}
|
|
|
|
status_t AudioSystem::setVoiceVolume(float value)
|
|
{
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
return af->setVoiceVolume(value);
|
|
}
|
|
|
|
status_t AudioSystem::getRenderPosition(uint32_t *halFrames, uint32_t *dspFrames, int stream)
|
|
{
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return PERMISSION_DENIED;
|
|
|
|
if (stream == AUDIO_STREAM_DEFAULT) {
|
|
stream = AUDIO_STREAM_MUSIC;
|
|
}
|
|
|
|
return af->getRenderPosition(halFrames, dspFrames, getOutput((audio_stream_type_t)stream));
|
|
}
|
|
|
|
unsigned int AudioSystem::getInputFramesLost(audio_io_handle_t ioHandle) {
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
unsigned int result = 0;
|
|
if (af == 0) return result;
|
|
if (ioHandle == 0) return result;
|
|
|
|
result = af->getInputFramesLost(ioHandle);
|
|
return result;
|
|
}
|
|
|
|
int AudioSystem::newAudioSessionId() {
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af == 0) return 0;
|
|
return af->newAudioSessionId();
|
|
}
|
|
|
|
void AudioSystem::acquireAudioSessionId(int audioSession) {
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af != 0) {
|
|
af->acquireAudioSessionId(audioSession);
|
|
}
|
|
}
|
|
|
|
void AudioSystem::releaseAudioSessionId(int audioSession) {
|
|
const sp<IAudioFlinger>& af = AudioSystem::get_audio_flinger();
|
|
if (af != 0) {
|
|
af->releaseAudioSessionId(audioSession);
|
|
}
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
void AudioSystem::AudioFlingerClient::binderDied(const wp<IBinder>& who) {
|
|
Mutex::Autolock _l(AudioSystem::gLock);
|
|
|
|
AudioSystem::gAudioFlinger.clear();
|
|
// clear output handles and stream to output map caches
|
|
AudioSystem::gStreamOutputMap.clear();
|
|
AudioSystem::gOutputs.clear();
|
|
|
|
if (gAudioErrorCallback) {
|
|
gAudioErrorCallback(DEAD_OBJECT);
|
|
}
|
|
LOGW("AudioFlinger server died!");
|
|
}
|
|
|
|
void AudioSystem::AudioFlingerClient::ioConfigChanged(int event, int ioHandle, void *param2) {
|
|
LOGV("ioConfigChanged() event %d", event);
|
|
OutputDescriptor *desc;
|
|
uint32_t stream;
|
|
|
|
if (ioHandle == 0) return;
|
|
|
|
Mutex::Autolock _l(AudioSystem::gLock);
|
|
|
|
switch (event) {
|
|
case STREAM_CONFIG_CHANGED:
|
|
if (param2 == 0) break;
|
|
stream = *(uint32_t *)param2;
|
|
LOGV("ioConfigChanged() STREAM_CONFIG_CHANGED stream %d, output %d", stream, ioHandle);
|
|
if (gStreamOutputMap.indexOfKey(stream) >= 0) {
|
|
gStreamOutputMap.replaceValueFor(stream, ioHandle);
|
|
}
|
|
break;
|
|
case OUTPUT_OPENED: {
|
|
if (gOutputs.indexOfKey(ioHandle) >= 0) {
|
|
LOGV("ioConfigChanged() opening already existing output! %d", ioHandle);
|
|
break;
|
|
}
|
|
if (param2 == 0) break;
|
|
desc = (OutputDescriptor *)param2;
|
|
|
|
OutputDescriptor *outputDesc = new OutputDescriptor(*desc);
|
|
gOutputs.add(ioHandle, outputDesc);
|
|
LOGV("ioConfigChanged() new output samplingRate %d, format %d channels %d frameCount %d latency %d",
|
|
outputDesc->samplingRate, outputDesc->format, outputDesc->channels, outputDesc->frameCount, outputDesc->latency);
|
|
} break;
|
|
case OUTPUT_CLOSED: {
|
|
if (gOutputs.indexOfKey(ioHandle) < 0) {
|
|
LOGW("ioConfigChanged() closing unknow output! %d", ioHandle);
|
|
break;
|
|
}
|
|
LOGV("ioConfigChanged() output %d closed", ioHandle);
|
|
|
|
gOutputs.removeItem(ioHandle);
|
|
for (int i = gStreamOutputMap.size() - 1; i >= 0 ; i--) {
|
|
if (gStreamOutputMap.valueAt(i) == ioHandle) {
|
|
gStreamOutputMap.removeItemsAt(i);
|
|
}
|
|
}
|
|
} break;
|
|
|
|
case OUTPUT_CONFIG_CHANGED: {
|
|
int index = gOutputs.indexOfKey(ioHandle);
|
|
if (index < 0) {
|
|
LOGW("ioConfigChanged() modifying unknow output! %d", ioHandle);
|
|
break;
|
|
}
|
|
if (param2 == 0) break;
|
|
desc = (OutputDescriptor *)param2;
|
|
|
|
LOGV("ioConfigChanged() new config for output %d samplingRate %d, format %d channels %d frameCount %d latency %d",
|
|
ioHandle, desc->samplingRate, desc->format,
|
|
desc->channels, desc->frameCount, desc->latency);
|
|
OutputDescriptor *outputDesc = gOutputs.valueAt(index);
|
|
delete outputDesc;
|
|
outputDesc = new OutputDescriptor(*desc);
|
|
gOutputs.replaceValueFor(ioHandle, outputDesc);
|
|
} break;
|
|
case INPUT_OPENED:
|
|
case INPUT_CLOSED:
|
|
case INPUT_CONFIG_CHANGED:
|
|
break;
|
|
|
|
}
|
|
}
|
|
|
|
void AudioSystem::setErrorCallback(audio_error_callback cb) {
|
|
Mutex::Autolock _l(gLock);
|
|
gAudioErrorCallback = cb;
|
|
}
|
|
|
|
bool AudioSystem::routedToA2dpOutput(int streamType) {
|
|
switch(streamType) {
|
|
case AUDIO_STREAM_MUSIC:
|
|
case AUDIO_STREAM_VOICE_CALL:
|
|
case AUDIO_STREAM_BLUETOOTH_SCO:
|
|
case AUDIO_STREAM_SYSTEM:
|
|
return true;
|
|
default:
|
|
return false;
|
|
}
|
|
}
|
|
|
|
|
|
// client singleton for AudioPolicyService binder interface
|
|
sp<IAudioPolicyService> AudioSystem::gAudioPolicyService;
|
|
sp<AudioSystem::AudioPolicyServiceClient> AudioSystem::gAudioPolicyServiceClient;
|
|
|
|
|
|
// establish binder interface to AudioFlinger service
|
|
const sp<IAudioPolicyService>& AudioSystem::get_audio_policy_service()
|
|
{
|
|
gLock.lock();
|
|
if (gAudioPolicyService.get() == 0) {
|
|
sp<IServiceManager> sm = defaultServiceManager();
|
|
sp<IBinder> binder;
|
|
do {
|
|
binder = sm->getService(String16("media.audio_policy"));
|
|
if (binder != 0)
|
|
break;
|
|
LOGW("AudioPolicyService not published, waiting...");
|
|
usleep(500000); // 0.5 s
|
|
} while(true);
|
|
if (gAudioPolicyServiceClient == NULL) {
|
|
gAudioPolicyServiceClient = new AudioPolicyServiceClient();
|
|
}
|
|
binder->linkToDeath(gAudioPolicyServiceClient);
|
|
gAudioPolicyService = interface_cast<IAudioPolicyService>(binder);
|
|
gLock.unlock();
|
|
} else {
|
|
gLock.unlock();
|
|
}
|
|
return gAudioPolicyService;
|
|
}
|
|
|
|
status_t AudioSystem::setDeviceConnectionState(audio_devices_t device,
|
|
audio_policy_dev_state_t state,
|
|
const char *device_address)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
const char *address = "";
|
|
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
|
|
if (device_address != NULL) {
|
|
address = device_address;
|
|
}
|
|
|
|
return aps->setDeviceConnectionState(device, state, address);
|
|
}
|
|
|
|
audio_policy_dev_state_t AudioSystem::getDeviceConnectionState(audio_devices_t device,
|
|
const char *device_address)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return AUDIO_POLICY_DEVICE_STATE_UNAVAILABLE;
|
|
|
|
return aps->getDeviceConnectionState(device, device_address);
|
|
}
|
|
|
|
status_t AudioSystem::setPhoneState(int state)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
|
|
return aps->setPhoneState(state);
|
|
}
|
|
|
|
status_t AudioSystem::setRingerMode(uint32_t mode, uint32_t mask)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->setRingerMode(mode, mask);
|
|
}
|
|
|
|
status_t AudioSystem::setForceUse(audio_policy_force_use_t usage, audio_policy_forced_cfg_t config)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->setForceUse(usage, config);
|
|
}
|
|
|
|
audio_policy_forced_cfg_t AudioSystem::getForceUse(audio_policy_force_use_t usage)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return AUDIO_POLICY_FORCE_NONE;
|
|
return aps->getForceUse(usage);
|
|
}
|
|
|
|
|
|
audio_io_handle_t AudioSystem::getOutput(audio_stream_type_t stream,
|
|
uint32_t samplingRate,
|
|
uint32_t format,
|
|
uint32_t channels,
|
|
audio_policy_output_flags_t flags)
|
|
{
|
|
audio_io_handle_t output = 0;
|
|
// Do not use stream to output map cache if the direct output
|
|
// flag is set or if we are likely to use a direct output
|
|
// (e.g voice call stream @ 8kHz could use BT SCO device and be routed to
|
|
// a direct output on some platforms).
|
|
// TODO: the output cache and stream to output mapping implementation needs to
|
|
// be reworked for proper operation with direct outputs. This code is too specific
|
|
// to the first use case we want to cover (Voice Recognition and Voice Dialer over
|
|
// Bluetooth SCO
|
|
if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0 &&
|
|
((stream != AUDIO_STREAM_VOICE_CALL && stream != AUDIO_STREAM_BLUETOOTH_SCO) ||
|
|
channels != AUDIO_CHANNEL_OUT_MONO ||
|
|
(samplingRate != 8000 && samplingRate != 16000))) {
|
|
Mutex::Autolock _l(gLock);
|
|
output = AudioSystem::gStreamOutputMap.valueFor(stream);
|
|
LOGV_IF((output != 0), "getOutput() read %d from cache for stream %d", output, stream);
|
|
}
|
|
if (output == 0) {
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return 0;
|
|
output = aps->getOutput(stream, samplingRate, format, channels, flags);
|
|
if ((flags & AUDIO_POLICY_OUTPUT_FLAG_DIRECT) == 0) {
|
|
Mutex::Autolock _l(gLock);
|
|
AudioSystem::gStreamOutputMap.add(stream, output);
|
|
}
|
|
}
|
|
return output;
|
|
}
|
|
|
|
status_t AudioSystem::startOutput(audio_io_handle_t output,
|
|
audio_stream_type_t stream,
|
|
int session)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->startOutput(output, stream, session);
|
|
}
|
|
|
|
status_t AudioSystem::stopOutput(audio_io_handle_t output,
|
|
audio_stream_type_t stream,
|
|
int session)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->stopOutput(output, stream, session);
|
|
}
|
|
|
|
void AudioSystem::releaseOutput(audio_io_handle_t output)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return;
|
|
aps->releaseOutput(output);
|
|
}
|
|
|
|
audio_io_handle_t AudioSystem::getInput(int inputSource,
|
|
uint32_t samplingRate,
|
|
uint32_t format,
|
|
uint32_t channels,
|
|
audio_in_acoustics_t acoustics,
|
|
int sessionId)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return 0;
|
|
return aps->getInput(inputSource, samplingRate, format, channels, acoustics, sessionId);
|
|
}
|
|
|
|
status_t AudioSystem::startInput(audio_io_handle_t input)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->startInput(input);
|
|
}
|
|
|
|
status_t AudioSystem::stopInput(audio_io_handle_t input)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->stopInput(input);
|
|
}
|
|
|
|
void AudioSystem::releaseInput(audio_io_handle_t input)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return;
|
|
aps->releaseInput(input);
|
|
}
|
|
|
|
status_t AudioSystem::initStreamVolume(audio_stream_type_t stream,
|
|
int indexMin,
|
|
int indexMax)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->initStreamVolume(stream, indexMin, indexMax);
|
|
}
|
|
|
|
status_t AudioSystem::setStreamVolumeIndex(audio_stream_type_t stream, int index)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->setStreamVolumeIndex(stream, index);
|
|
}
|
|
|
|
status_t AudioSystem::getStreamVolumeIndex(audio_stream_type_t stream, int *index)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->getStreamVolumeIndex(stream, index);
|
|
}
|
|
|
|
uint32_t AudioSystem::getStrategyForStream(audio_stream_type_t stream)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return 0;
|
|
return aps->getStrategyForStream(stream);
|
|
}
|
|
|
|
uint32_t AudioSystem::getDevicesForStream(audio_stream_type_t stream)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return 0;
|
|
return aps->getDevicesForStream(stream);
|
|
}
|
|
|
|
audio_io_handle_t AudioSystem::getOutputForEffect(effect_descriptor_t *desc)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->getOutputForEffect(desc);
|
|
}
|
|
|
|
status_t AudioSystem::registerEffect(effect_descriptor_t *desc,
|
|
audio_io_handle_t io,
|
|
uint32_t strategy,
|
|
int session,
|
|
int id)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->registerEffect(desc, io, strategy, session, id);
|
|
}
|
|
|
|
status_t AudioSystem::unregisterEffect(int id)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->unregisterEffect(id);
|
|
}
|
|
|
|
status_t AudioSystem::setEffectEnabled(int id, bool enabled)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
return aps->setEffectEnabled(id, enabled);
|
|
}
|
|
|
|
status_t AudioSystem::isStreamActive(int stream, bool* state, uint32_t inPastMs)
|
|
{
|
|
const sp<IAudioPolicyService>& aps = AudioSystem::get_audio_policy_service();
|
|
if (aps == 0) return PERMISSION_DENIED;
|
|
if (state == NULL) return BAD_VALUE;
|
|
*state = aps->isStreamActive(stream, inPastMs);
|
|
return NO_ERROR;
|
|
}
|
|
|
|
|
|
void AudioSystem::clearAudioConfigCache()
|
|
{
|
|
Mutex::Autolock _l(gLock);
|
|
LOGV("clearAudioConfigCache()");
|
|
gStreamOutputMap.clear();
|
|
gOutputs.clear();
|
|
}
|
|
|
|
// ---------------------------------------------------------------------------
|
|
|
|
void AudioSystem::AudioPolicyServiceClient::binderDied(const wp<IBinder>& who) {
|
|
Mutex::Autolock _l(AudioSystem::gLock);
|
|
AudioSystem::gAudioPolicyService.clear();
|
|
|
|
LOGW("AudioPolicyService server died!");
|
|
}
|
|
|
|
}; // namespace android
|
|
|