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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::AudioInputDescriptor"
//#define LOG_NDEBUG 0
#include "AudioInputDescriptor.h"
#include "IOProfile.h"
#include "AudioGain.h"
#include "HwModule.h"
#include <media/AudioPolicy.h>
#include <policy.h>
namespace android {
AudioInputDescriptor::AudioInputDescriptor(const sp<IOProfile>& profile)
: mIoHandle(0),
mDevice(AUDIO_DEVICE_NONE), mPolicyMix(NULL), mPatchHandle(0), mRefCount(0),
mInputSource(AUDIO_SOURCE_DEFAULT), mProfile(profile), mIsSoundTrigger(false), mId(0)
{
if (profile != NULL) {
mSamplingRate = profile->pickSamplingRate();
mFormat = profile->pickFormat();
mChannelMask = profile->pickChannelMask();
if (profile->mGains.size() > 0) {
profile->mGains[0]->getDefaultConfig(&mGain);
}
}
}
void AudioInputDescriptor::setIoHandle(audio_io_handle_t ioHandle)
{
mId = AudioPort::getNextUniqueId();
mIoHandle = ioHandle;
}
audio_module_handle_t AudioInputDescriptor::getModuleHandle() const
{
if (mProfile == 0) {
return 0;
}
return mProfile->getModuleHandle();
}
audio_port_handle_t AudioInputDescriptor::getId() const
{
return mId;
}
void AudioInputDescriptor::toAudioPortConfig(struct audio_port_config *dstConfig,
const struct audio_port_config *srcConfig) const
{
ALOG_ASSERT(mProfile != 0,
"toAudioPortConfig() called on input with null profile %d", mIoHandle);
dstConfig->config_mask = AUDIO_PORT_CONFIG_SAMPLE_RATE|AUDIO_PORT_CONFIG_CHANNEL_MASK|
AUDIO_PORT_CONFIG_FORMAT|AUDIO_PORT_CONFIG_GAIN;
if (srcConfig != NULL) {
dstConfig->config_mask |= srcConfig->config_mask;
}
AudioPortConfig::toAudioPortConfig(dstConfig, srcConfig);
dstConfig->id = mId;
dstConfig->role = AUDIO_PORT_ROLE_SINK;
dstConfig->type = AUDIO_PORT_TYPE_MIX;
dstConfig->ext.mix.hw_module = getModuleHandle();
dstConfig->ext.mix.handle = mIoHandle;
dstConfig->ext.mix.usecase.source = mInputSource;
}
void AudioInputDescriptor::toAudioPort(struct audio_port *port) const
{
ALOG_ASSERT(mProfile != 0, "toAudioPort() called on input with null profile %d", mIoHandle);
mProfile->toAudioPort(port);
port->id = mId;
toAudioPortConfig(&port->active_config);
port->ext.mix.hw_module = getModuleHandle();
port->ext.mix.handle = mIoHandle;
port->ext.mix.latency_class = AUDIO_LATENCY_NORMAL;
}
status_t AudioInputDescriptor::dump(int fd)
{
const size_t SIZE = 256;
char buffer[SIZE];
String8 result;
snprintf(buffer, SIZE, " ID: %d\n", getId());
result.append(buffer);
snprintf(buffer, SIZE, " Sampling rate: %d\n", mSamplingRate);
result.append(buffer);
snprintf(buffer, SIZE, " Format: %d\n", mFormat);
result.append(buffer);
snprintf(buffer, SIZE, " Channels: %08x\n", mChannelMask);
result.append(buffer);
snprintf(buffer, SIZE, " Devices %08x\n", mDevice);
result.append(buffer);
snprintf(buffer, SIZE, " Ref Count %d\n", mRefCount);
result.append(buffer);
snprintf(buffer, SIZE, " Open Ref Count %d\n", mOpenRefCount);
result.append(buffer);
write(fd, result.string(), result.size());
return NO_ERROR;
}
bool AudioInputCollection::isSourceActive(audio_source_t source) const
{
for (size_t i = 0; i < size(); i++) {
const sp<AudioInputDescriptor> inputDescriptor = valueAt(i);
if (inputDescriptor->mRefCount == 0) {
continue;
}
if (inputDescriptor->mInputSource == (int)source) {
return true;
}
}
return false;
}
sp<AudioInputDescriptor> AudioInputCollection::getInputFromId(audio_port_handle_t id) const
{
sp<AudioInputDescriptor> inputDesc = NULL;
for (size_t i = 0; i < size(); i++) {
inputDesc = valueAt(i);
if (inputDesc->getId() == id) {
break;
}
}
return inputDesc;
}
uint32_t AudioInputCollection::activeInputsCount() const
{
uint32_t count = 0;
for (size_t i = 0; i < size(); i++) {
const sp<AudioInputDescriptor> desc = valueAt(i);
if (desc->mRefCount > 0) {
count++;
}
}
return count;
}
audio_io_handle_t AudioInputCollection::getActiveInput(bool ignoreVirtualInputs)
{
for (size_t i = 0; i < size(); i++) {
const sp<AudioInputDescriptor> input_descriptor = valueAt(i);
if ((input_descriptor->mRefCount > 0)
&& (!ignoreVirtualInputs || !is_virtual_input_device(input_descriptor->mDevice))) {
return keyAt(i);
}
}
return 0;
}
audio_devices_t AudioInputCollection::getSupportedDevices(audio_io_handle_t handle) const
{
sp<AudioInputDescriptor> inputDesc = valueFor(handle);
audio_devices_t devices = inputDesc->mProfile->mSupportedDevices.types();
return devices;
}
status_t AudioInputCollection::dump(int fd) const
{
const size_t SIZE = 256;
char buffer[SIZE];
snprintf(buffer, SIZE, "\nInputs dump:\n");
write(fd, buffer, strlen(buffer));
for (size_t i = 0; i < size(); i++) {
snprintf(buffer, SIZE, "- Input %d dump:\n", keyAt(i));
write(fd, buffer, strlen(buffer));
valueAt(i)->dump(fd);
}
return NO_ERROR;
}
}; //namespace android
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