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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.
*/
#pragma once
#include "AudioPort.h"
#include <utils/Errors.h>
#include <utils/String8.h>
#include <utils/SortedVector.h>
#include <cutils/config_utils.h>
#include <system/audio.h>
#include <system/audio_policy.h>
namespace android {
class DeviceDescriptor : public AudioPort, public AudioPortConfig
{
public:
DeviceDescriptor(const String8& name, audio_devices_t type);
virtual ~DeviceDescriptor() {}
bool equals(const sp<DeviceDescriptor>& other) const;
// AudioPortConfig
virtual sp<AudioPort> getAudioPort() const { return (AudioPort*) this; }
virtual void toAudioPortConfig(struct audio_port_config *dstConfig,
const struct audio_port_config *srcConfig = NULL) const;
// AudioPort
virtual void loadGains(cnode *root);
virtual void toAudioPort(struct audio_port *port) const;
audio_devices_t type() const { return mDeviceType; }
status_t dump(int fd, int spaces, int index) const;
void log() const;
String8 mAddress;
audio_port_handle_t mId;
static String8 emptyNameStr;
private:
audio_devices_t mDeviceType;
friend class DeviceVector;
};
class DeviceVector : public SortedVector< sp<DeviceDescriptor> >
{
public:
DeviceVector() : SortedVector(), mDeviceTypes(AUDIO_DEVICE_NONE) {}
ssize_t add(const sp<DeviceDescriptor>& item);
ssize_t remove(const sp<DeviceDescriptor>& item);
ssize_t indexOf(const sp<DeviceDescriptor>& item) const;
audio_devices_t types() const { return mDeviceTypes; }
void loadDevicesFromType(audio_devices_t types);
void loadDevicesFromName(char *name, const DeviceVector& declaredDevices);
sp<DeviceDescriptor> getDevice(audio_devices_t type, String8 address) const;
DeviceVector getDevicesFromType(audio_devices_t types) const;
sp<DeviceDescriptor> getDeviceFromId(audio_port_handle_t id) const;
sp<DeviceDescriptor> getDeviceFromName(const String8& name) const;
DeviceVector getDevicesFromTypeAddr(audio_devices_t type, String8 address) const;
audio_devices_t getDevicesFromHwModule(audio_module_handle_t moduleHandle) const;
audio_policy_dev_state_t getDeviceConnectionState(const sp<DeviceDescriptor> &devDesc) const;
status_t dump(int fd, const String8 &direction) const;
private:
void refreshTypes();
audio_devices_t mDeviceTypes;
};
}; // namespace android
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