audio_player.h

视频会议源码

///////////////////////////////////////////////////////
// FileName:	video_player.h
// Author:		b1gm0use
// Project:		myvideo

#ifndef _AUDIO_PLAYER_H_
#define _AUDIO_PLAYER_H_

#include <qwidget.h>
#include <qsemaphore.h>

#include "common.h"

#include "typedef.h"

class avi;
class audio_cap_thread;
class audio_play_thread;
class QWaitCondition;

class AudioPlayer : public QWidget
{
    Q_OBJECT

public:

	// 构造函数
    AudioPlayer ( avi * avi_ptr_in, QWidget *parent = 0, const char *name = 0 );

	// 析构函数
    ~AudioPlayer();

	// 初始化函数
	int init( void );

	void begin_running ( void );

	bool running ( void );

	friend class audio_play_thread;

protected:

	// 内部函数，用于接收自定义的事件
	void customEvent ( QCustomEvent * e );

private:

	// 初始化动态链接库
	void init_codec_lib ( void );

	void mono_8k_to_48k ( BUFF * buff_8k, BUFF * buff_48k );
	void mono_to_stereo ( BUFF * buff_stereo, BUFF * buff_mono );

private:

	// 音频捕捉线程
	audio_cap_thread * act;

	// 音频播放线程
	audio_play_thread * apt;

	// 声音缓冲区
	BUFF * mono_8k_buff;
	BUFF * mono_48k_buff;
	BUFF * stereo_48k_buff;
	BUFF * g723_buff;
	BUFF * g711_buff;
	BUFF * normal_buff;

	int frame;

#ifdef _ARM_CODEC_
	g723dec_obj *g723dec;
#endif

	avi * avi_ptr;

	bool is_running;

	QWaitCondition * ready_to_play_audio;

	bool current_use_g723;

};

#endif //_AUDIO_PLAYER_H_