mirror of
https://github.com/ZLMediaKit/ZLMediaKit.git
synced 2024-11-23 11:17:09 +08:00
75 lines
2.1 KiB
C++
75 lines
2.1 KiB
C++
|
/*
|
||
|
|
* MIT License
|
||
|
|
*
|
||
|
|
* Copyright (c) 2017 xiongziliang <771730766@qq.com>
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in all
|
||
|
|
* copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
||
|
|
* SOFTWARE.
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef SDLAUDIOMIXER_AUDIOSRC_H_
|
||
|
|
#define SDLAUDIOMIXER_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)
|
||
|
|
|
||
|
|
using namespace std;
|
||
|
|
|
||
|
|
|
||
|
|
class AudioSRCDelegate{
|
||
|
|
public:
|
||
|
|
virtual ~AudioSRCDelegate(){};
|
||
|
|
virtual void setPCMBufferSize(int bufsize) = 0;
|
||
|
|
virtual int getPCMSampleBit() = 0;
|
||
|
|
virtual int getPCMSampleRate() = 0;
|
||
|
|
virtual int getPCMChannel() = 0;
|
||
|
|
virtual int getPCMData(char *buf, int bufsize) = 0;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
class AudioSRC
|
||
|
|
{
|
||
|
|
public:
|
||
|
|
typedef std::shared_ptr<AudioSRC> Ptr;
|
||
|
|
AudioSRC(AudioSRCDelegate *);
|
||
|
|
virtual ~AudioSRC();
|
||
|
|
void setEnableMix(bool flag);
|
||
|
|
void setOutputAudioConfig(const SDL_AudioSpec &cfg);
|
||
|
|
//此处buf大小务必要比bufsize大的多
|
||
|
|
int getPCMData(char *buf, int bufsize);
|
||
|
|
private:
|
||
|
|
AudioSRCDelegate *_delegate;
|
||
|
|
SDL_AudioCVT _audioCvt;
|
||
|
|
bool _enableMix = true;
|
||
|
|
int _pcmSize = 0;
|
||
|
|
string _pcmBuf;
|
||
|
|
};
|
||
|
|
#endif /* SDLAUDIOMIXER_AUDIOSRC_H_ */
|