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/*
* Copyright (c) 2016 Samsung Electronics Co., Ltd All Rights Reserved
*
* 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.
*/
using System;
using System.Runtime.InteropServices;
namespace Tizen.Multimedia
{
internal static class AudioDeviceLog
{
internal const string Tag = "Tizen.Multimedia.AudioDevice";
}
/// <summary>
/// The Device API provides functions to query the information of sound devices.
/// </summary>
public class AudioDevice
{
private readonly int _id;
private readonly string _name;
private readonly AudioDeviceType _type;
private readonly AudioDeviceIoDirection _ioDirection;
private readonly AudioDeviceState _state;
private readonly IntPtr _handle;
internal AudioDevice(IntPtr deviceHandle)
{
_handle = deviceHandle;
int ret;
ret = Interop.AudioDevice.GetDeviceId(_handle, out _id);
if (ret != 0)
{
Tizen.Log.Error(AudioDeviceLog.Tag, "Unable to get device Id: " + (AudioManagerError)ret);
}
AudioManagerErrorFactory.CheckAndThrowException(ret, _handle, "Unable to get device Id");
IntPtr name;
ret = Interop.AudioDevice.GetDeviceName(_handle, out name);
if (ret != 0)
{
Tizen.Log.Error(AudioDeviceLog.Tag, "Unable to get device name" + (AudioManagerError)ret);
}
AudioManagerErrorFactory.CheckAndThrowException(ret, _handle, "Unable to get device name");
_name = Marshal.PtrToStringAnsi(name);
ret = Interop.AudioDevice.GetDeviceType(_handle, out _type);
if (ret != 0)
{
Tizen.Log.Error(AudioDeviceLog.Tag, "Unable to get device type" + (AudioManagerError)ret);
}
AudioManagerErrorFactory.CheckAndThrowException(ret, _handle, "Unable to get device type");
ret = Interop.AudioDevice.GetDeviceIoDirection(_handle, out _ioDirection);
if (ret != 0)
{
Tizen.Log.Error(AudioDeviceLog.Tag, "Unable to get device IoDirection" + (AudioManagerError)ret);
}
AudioManagerErrorFactory.CheckAndThrowException(ret, _handle, "Unable to get device IO Direction");
ret = Interop.AudioDevice.GetDeviceState(_handle, out _state);
if (ret != 0)
{
Tizen.Log.Error(AudioDeviceLog.Tag, "Unable to get device state" + (AudioManagerError)ret);
}
AudioManagerErrorFactory.CheckAndThrowException(ret, _handle, "Unable to get device state");
}
/// <summary>
/// The id of the device.
/// </summary>
public int Id => _id;
/// <summary>
/// The name of the device.
/// </summary>
public string Name => _name;
/// <summary>
/// The type of the device.
/// </summary>
public AudioDeviceType Type => _type;
/// <summary>
/// The io direction of the device.
/// </summary>
public AudioDeviceIoDirection IoDirection => _ioDirection;
/// <summary>
/// The state of the device.
/// </summary>
public AudioDeviceState State => _state;
internal IntPtr Handle => _handle;
}
}
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