/*?include?head_files*/
#include?
#include?
#include?
#include?
#include?
#include????//low_level?i/o
#include?
#include?
#include?
#include?
#include?
#include?
#include?
#include?

#include???//for?videodev2.h

#include?

#include?“capture.h“

//****************changed?by?zzy***************************
#include?“h264encoder.h“
//*********************************************************

struct?buffer{
	void?*??start;
	size_t??length;
};


static?char?*????????video_name?????=?“/dev/video0“;
static?int???????????video_fd???????=?-1;
struct?buffer?*??????buffers??????=?NULL;
static?unsigned?int??n_buffers????=?0;
static?unsigned?int?number?=?0;

//*************************changed?by?zzy*****************
Encoder?en;
uint8_t?*h264_buf?=?NULL;
//***********************add?by?zzy***********************
int?count_flag?=?1;
int?file_fd;
int?h264_fd;

void?process_video_image（const?void?*?punsigned?int?size）
{


	int?write_size;
	int?h264_length?=?0;
	
	

	h264_buf?=?（uint8_t?*）?malloc（sizeof（uint8_t）?*?320?*?240?*?3）;?//?設置緩沖區
	
	//**********************changed?by?zzy***************************
	//**********************進行H264編碼yuv的大小為320*240*2************************
	//encode_frame（p320*240*2）;
	h264_length?=?compress_frame（&en?-1?（uint8_t?*）p??h264_buf）;
	//**********************changed?by?zzy****************************
	//**********************寫yuv文件*********************************
	write_size=write（file_fdpsize）;
	printf（“write_size?=?%d\n“write_size）;
	//**********************寫h264文件*********************************
	if?（h264_length?>?0）?{
		write_size=write（h264_fdh264_bufh264_length）;
		printf（“write_size?=?%d\n“write_size）;
		
		
	}
	free（h264_buf）;

}

int?read_video_frame?（void）
{
	struct?v4l2_buffer?buf;
	unsigned?int?size;
	
	CLEAR（buf）;
	
	buf.type?=?V4L2_BUF_TYPE_VIDEO_CAPTURE;
	buf.memory?=?V4L2_MEMORY_MMAP;
	size?=?buffers[buf.index].length;
	//********************change?by?zzy**********************************
	printf（“buffers.length=%dcount_flag?=?%d\n“buffers[buf.index].lengthcount_flag）;
	count_flag++;
	if?（-1?==?ioctl（video_fdVIDIOC_DQBUF&buf））
	{
		perror（“VIDIOC_DQBUF:“）;
		exit（EXIT_FAILURE）;
		return?0;
	}
	
	assert?（buf.index?	process_video_image?（buffers[buf.index].startsize）;
	
	if?（-1?==?ioctl（video_fdVIDIOC_QBUF&buf））
	{
		perror（“VIDIOC_QBUF:“）;
		exit（EXIT_FAILURE）;
	}
	
	return?1;
}?

void?read_video_loop（void）
{
	unsigned?int?count?;
//****************************change?by?zzy*******************************
	//count?=?20;
	??count?=?20;
	while（count--?>?0）
	{
		for?（;;）
		{
			fd_set?fds;
			struct?timeval?tv;
			int?r;
			
			FD_ZERO（&fds）;
			FD_SET（video_fd&fds）;
			
			//timeout?=?2sec
			tv.tv_sec?=?5;
			tv.tv_usec?=?0;
			
			r?=?select（video_fd+1&fdsNULLNULL&tv）;
			
			if?（-1?==?r）
			{