ZLMediaKit/player/SDLAudioDevice.h
夏楚 c72cf4cbcc
整理命名空间 (#1409)
* feat: remove using namespace mediakit in header files.

(cherry picked from commit d44aeb339a8a0e1f0455be82b21fe4b1b536299f)

* feat: remove using namespace mediakit in FFmpegSource.h

* feat: remove using namespace mediakit in RtpExt.h

* feat: remove using namespace mediakit in header files.

* feat: remove using namespace std in header files.

* feat: remove using namespace std in header files when zltoolkit remove std in header

* 补充命名空间

* 整理命名空间

* 整理命名空间2

* 修复macos ci

* 修复编译问题

* 修复编译问题2

* 修复编译问题3

Co-authored-by: Johnny <hellojinqiang@gmail.com>
Co-authored-by: Xiaofeng Wang <wasphin@gmail.com>
2022-02-02 20:34:50 +08:00

50 lines
1.3 KiB
C++

/*
* Copyright (c) 2016 The ZLMediaKit project authors. All Rights Reserved.
*
* This file is part of ZLMediaKit(https://github.com/ZLMediaKit/ZLMediaKit).
*
* Use of this source code is governed by MIT license that can be found in the
* LICENSE file in the root of the source tree. All contributing project authors
* may be found in the AUTHORS file in the root of the source tree.
*/
#ifndef SDLAUDIOMIXER_SDLAUDIODEVICE_H_
#define SDLAUDIOMIXER_SDLAUDIODEVICE_H_
#include <mutex>
#include <memory>
#include <stdexcept>
#include <unordered_set>
#define DEFAULT_SAMPLERATE 48000
#define DEFAULT_FORMAT AUDIO_S16
#define DEFAULT_CHANNEL 2
#define DEFAULT_SAMPLES 1024
class AudioSRC;
//该对象主要实现sdl混音与播放
class SDLAudioDevice : public std::enable_shared_from_this<SDLAudioDevice>{
public:
using Ptr = std::shared_ptr<SDLAudioDevice>;
~SDLAudioDevice();
static SDLAudioDevice &Instance();
void addChannel(AudioSRC *chn);
void delChannel(AudioSRC *chn);
private:
SDLAudioDevice();
void onReqPCM(char *stream, int len);
private:
std::shared_ptr<char> _play_buf;
SDL_AudioSpec _audio_config;
std::recursive_mutex _channel_mtx;
std::unordered_set<AudioSRC *> _channels;
};
#endif /* SDLAUDIOMIXER_SDLAUDIODEVICE_H_ */