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/*
* Copyright (C) 2014-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#pragma once
#include "platform/Platform.h"
#include <map>
#include <string>
#include <vector>
#include <alsa/asoundlib.h>
class CALSAHControlMonitor : public IPlatformService
{
public:
CALSAHControlMonitor();
~CALSAHControlMonitor();
bool Add(const std::string& ctlHandleName,
snd_ctl_elem_iface_t interface,
unsigned int device,
const std::string& name);
void Clear();
void Start();
void Stop();
private:
static int HCTLCallback(snd_hctl_elem_t *elem, unsigned int mask);
static void FDEventCallback(int id, int fd, short revents, void *data);
snd_hctl_t* GetHandle(const std::string& ctlHandleName);
void PutHandle(const std::string& ctlHandleName);
struct CTLHandle
{
snd_hctl_t *handle;
int useCount = 0;
explicit CTLHandle(snd_hctl_t *handle_) : handle(handle_) {}
CTLHandle() : handle(NULL) {}
};
std::map<std::string, CTLHandle> m_ctlHandles;
std::vector<int> m_fdMonitorIds;
};
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