FFMpegHelper.h

gistfile1.cpp

#pragma once
extern "C" 
{
#ifndef __STDC_CONSTANT_MACROS
#define __STDC_CONSTANT_MACROS
#endif
#include <libavcodec\avcodec.h>
#include <libavformat\avformat.h>
}

#pragma comment(lib, "..\\SDKs\\FFMPEG\\lib\\avcodec.lib")
#pragma comment(lib, "..\\SDKs\\FFMPEG\\lib\\avutil.lib")
#pragma comment(lib, "..\\SDKs\\FFMPEG\\lib\\avformat.lib")

typedef struct mux_ctx_t 
{
	char *filename;
	AVFormatContext * oc;  
	AVStream        * video_st; 
	AVStream        * audio_st; 
	AVOutputFormat  * fmt; 
	uint8_t *audio_outbuf ;  
	int audio_outbuf_size ; 
} mux_ctx_t;

class FFMpegHelper
{
public:
	FFMpegHelper(void);
	~FFMpegHelper(void);
	static int init_ffmpeg(mux_ctx_t *pMux_ctx, int VidWidth, int VidHeight, double frame_rate, int profile, int level, bool useAudio);
	static int close_ffmpeg(mux_ctx_t *pMux_ctx);
private:
	static AVStream *add_audio_stream (AVFormatContext *oc, int codec_id);
	static void open_audio (AVFormatContext *oc, AVStream *st);
};