ZLMediaKit/player/AudioSRC.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

85 lines
2.0 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 AUDIOSRC_H_
#define AUDIOSRC_H_
#include <memory>
#include <string>
#ifdef __cplusplus
extern "C" {
#endif
#include "SDL2/SDL.h"
#ifdef __cplusplus
}
#endif
#if defined(_WIN32)
#pragma comment(lib,"SDL2.lib")
#endif //defined(_WIN32)
#include "Network/Buffer.h"
#include "SDLAudioDevice.h"
#include "FFMpegDecoder.h"
class AudioSRCDelegate {
public:
virtual ~AudioSRCDelegate() {};
virtual SDL_AudioFormat getPCMFormat() = 0;
virtual int getPCMSampleRate() = 0;
virtual int getPCMChannel() = 0;
virtual int getPCMData(char *buf, int size) = 0;
};
//该类实现pcm的重采样
class AudioSRC {
public:
typedef std::shared_ptr<AudioSRC> Ptr;
AudioSRC(AudioSRCDelegate *);
virtual ~AudioSRC();
void setEnableMix(bool flag);
void setOutputAudioConfig(const SDL_AudioSpec &cfg);
int getPCMData(char *buf, int size);
private:
bool _enabled = true;
int _buf_size = 0;
std::shared_ptr<char> _buf;
AudioSRCDelegate *_delegate = nullptr;
toolkit::BufferLikeString _target_buf;
SDL_AudioCVT _audio_cvt;
};
class AudioPlayer : public AudioSRC, private AudioSRCDelegate{
public:
AudioPlayer();
~AudioPlayer() override;
void setup(int sample_rate, int channel, SDL_AudioFormat format);
void playPCM(const char *data, size_t size);
private:
SDL_AudioFormat getPCMFormat() override;
int getPCMSampleRate() override;
int getPCMChannel() override;
int getPCMData(char *buf, int size) override;
private:
int _sample_rate, _channel;
SDL_AudioFormat _format;
std::mutex _mtx;
toolkit::BufferLikeString _buffer;
SDLAudioDevice::Ptr _device;
};
#endif /* AUDIOSRC_H_ */