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/*
* Copyright (C) 2015 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 "APM::AudioPolicyMix"
//#define LOG_NDEBUG 0
#include "AudioPolicyMix.h"
#include "HwModule.h"
#include "AudioPort.h"
#include "IOProfile.h"
#include "AudioGain.h"
#include <AudioOutputDescriptor.h>
namespace android {
void AudioPolicyMix::setOutput(sp<SwAudioOutputDescriptor> &output)
{
mOutput = output;
}
const sp<SwAudioOutputDescriptor> &AudioPolicyMix::getOutput() const
{
return mOutput;
}
void AudioPolicyMix::clearOutput()
{
mOutput.clear();
}
void AudioPolicyMix::setMix(AudioMix &mix)
{
mMix = mix;
}
android::AudioMix *AudioPolicyMix::getMix()
{
return &mMix;
}
status_t AudioPolicyMixCollection::registerMix(String8 address, AudioMix mix)
{
ssize_t index = indexOfKey(address);
if (index >= 0) {
ALOGE("registerPolicyMixes(): mix for address %s already registered", address.string());
return BAD_VALUE;
}
sp<AudioPolicyMix> policyMix = new AudioPolicyMix();
policyMix->setMix(mix);
add(address, policyMix);
return NO_ERROR;
}
status_t AudioPolicyMixCollection::unregisterMix(String8 address)
{
ssize_t index = indexOfKey(address);
if (index < 0) {
ALOGE("unregisterPolicyMixes(): mix for address %s not registered", address.string());
return BAD_VALUE;
}
removeItemsAt(index);
return NO_ERROR;
}
status_t AudioPolicyMixCollection::getAudioPolicyMix(String8 address,
sp<AudioPolicyMix> &policyMix) const
{
ssize_t index = indexOfKey(address);
if (index < 0) {
ALOGE("unregisterPolicyMixes(): mix for address %s not registered", address.string());
return BAD_VALUE;
}
policyMix = valueAt(index);
return NO_ERROR;
}
void AudioPolicyMixCollection::closeOutput(sp<SwAudioOutputDescriptor> &desc)
{
for (size_t i = 0; i < size(); i++) {
sp<AudioPolicyMix> policyMix = valueAt(i);
if (policyMix->getOutput() == desc) {
policyMix->clearOutput();
}
}
}
status_t AudioPolicyMixCollection::getOutputForAttr(audio_attributes_t attributes,
sp<SwAudioOutputDescriptor> &desc)
{
for (size_t i = 0; i < size(); i++) {
sp<AudioPolicyMix> policyMix = valueAt(i);
AudioMix *mix = policyMix->getMix();
if (mix->mMixType == MIX_TYPE_PLAYERS) {
for (size_t j = 0; j < mix->mCriteria.size(); j++) {
if ((RULE_MATCH_ATTRIBUTE_USAGE == mix->mCriteria[j].mRule &&
mix->mCriteria[j].mAttr.mUsage == attributes.usage) ||
(RULE_EXCLUDE_ATTRIBUTE_USAGE == mix->mCriteria[j].mRule &&
mix->mCriteria[j].mAttr.mUsage != attributes.usage)) {
desc = policyMix->getOutput();
break;
}
if (strncmp(attributes.tags, "addr=", strlen("addr=")) == 0 &&
strncmp(attributes.tags + strlen("addr="),
mix->mRegistrationId.string(),
AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - strlen("addr=") - 1) == 0) {
desc = policyMix->getOutput();
break;
}
}
} else if (mix->mMixType == MIX_TYPE_RECORDERS) {
if (attributes.usage == AUDIO_USAGE_VIRTUAL_SOURCE &&
strncmp(attributes.tags, "addr=", strlen("addr=")) == 0 &&
strncmp(attributes.tags + strlen("addr="),
mix->mRegistrationId.string(),
AUDIO_ATTRIBUTES_TAGS_MAX_SIZE - strlen("addr=") - 1) == 0) {
desc = policyMix->getOutput();
}
}
if (desc != 0) {
desc->mPolicyMix = mix;
return NO_ERROR;
}
}
return BAD_VALUE;
}
audio_devices_t AudioPolicyMixCollection::getDeviceAndMixForInputSource(audio_source_t inputSource,
audio_devices_t availDevices,
AudioMix **policyMix)
{
for (size_t i = 0; i < size(); i++) {
AudioMix *mix = valueAt(i)->getMix();
if (mix->mMixType != MIX_TYPE_RECORDERS) {
continue;
}
for (size_t j = 0; j < mix->mCriteria.size(); j++) {
if ((RULE_MATCH_ATTRIBUTE_CAPTURE_PRESET == mix->mCriteria[j].mRule &&
mix->mCriteria[j].mAttr.mSource == inputSource) ||
(RULE_EXCLUDE_ATTRIBUTE_CAPTURE_PRESET == mix->mCriteria[j].mRule &&
mix->mCriteria[j].mAttr.mSource != inputSource)) {
if (availDevices & AUDIO_DEVICE_IN_REMOTE_SUBMIX) {
if (policyMix != NULL) {
*policyMix = mix;
}
return AUDIO_DEVICE_IN_REMOTE_SUBMIX;
}
break;
}
}
}
return AUDIO_DEVICE_NONE;
}
status_t AudioPolicyMixCollection::getInputMixForAttr(audio_attributes_t attr, AudioMix **policyMix)
{
if (strncmp(attr.tags, "addr=", strlen("addr=")) != 0) {
return BAD_VALUE;
}
String8 address(attr.tags + strlen("addr="));
ssize_t index = indexOfKey(address);
if (index < 0) {
ALOGW("getInputForAttr() no policy for address %s", address.string());
return BAD_VALUE;
}
sp<AudioPolicyMix> audioPolicyMix = valueAt(index);
AudioMix *mix = audioPolicyMix->getMix();
if (mix->mMixType != MIX_TYPE_PLAYERS) {
ALOGW("getInputForAttr() bad policy mix type for address %s", address.string());
return BAD_VALUE;
}
*policyMix = mix;
return NO_ERROR;
}
}; //namespace android
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