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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 "DeviceDescriptor.h"
#include <utils/String8.h>
#include <system/audio.h>
namespace android {
class HwModule;
// the IOProfile class describes the capabilities of an output or input stream.
// It is currently assumed that all combination of listed parameters are supported.
// It is used by the policy manager to determine if an output or input is suitable for
// a given use case, open/close it accordingly and connect/disconnect audio tracks
// to/from it.
class IOProfile : public AudioPort
{
public:
IOProfile(const String8& name, audio_port_role_t role, const sp<HwModule>& module);
virtual ~IOProfile();
// This method is used for both output and input.
// If parameter updatedSamplingRate is non-NULL, it is assigned the actual sample rate.
// For input, flags is interpreted as audio_input_flags_t.
// TODO: merge audio_output_flags_t and audio_input_flags_t.
bool isCompatibleProfile(audio_devices_t device,
String8 address,
uint32_t samplingRate,
uint32_t *updatedSamplingRate,
audio_format_t format,
audio_channel_mask_t channelMask,
uint32_t flags) const;
void dump(int fd);
void log();
DeviceVector mSupportedDevices; // supported devices
// (devices this output can be routed to)
};
}; // namespace android
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