taking snap

[steffisusan]

Hi,

Can anyone tell me the c code for taking snap and saving it to directory.

Thanks

[peter_budo]

Do provide evidence of having done some work yourself if posting questions from school or work assignments

[steffisusan]

Do provide evidence of having done some work yourself if posting questions from school or work assignments

#include "ApproDrvMsg.h"
#include "Appro_interface.h"
#include "cmem.h"
#include "Msg_Def.h"
#include <stdio.h>
int i;

void Init_Interface(int Msg_id)
{
	int qid;
	if(ApproDrvInit(Msg_id))
	exit(1);

	if(func_get_mem(&qid))
	{
	ApproDrvExit();
	exit(1);
	}
}

int SaveAudioFile( char *pFileName )
{
        FILE *pfd = NULL;
        int error_code = 0;
        int     SerialBook = -1;
        int     SerialLock = -1;
        int     ret = 0;
        int     save_cnt = 1;
        AV_DATA av_data;        

        pfd = fopen(pFileName,"wb");
        if( pfd == NULL )
        {
               // ERR("open file error!!");
                error_code = -1;
                goto RECORD_QUIT;
        }

        if( fseek( pfd, 0, SEEK_SET ) < 0)
        {
               // ERR("seek file error!!");
                error_code = -1;
                goto RECORD_QUIT;
        }        

        do
        {
                GetAVData(AV_OP_GET_MJPEG_SERIAL, -1, &av_data );
        } while (av_data.serial < 0);        

        SerialBook = av_data.serial;        

        while( save_cnt > 0)
        {
                ret = GetAVData(AV_OP_LOCK_MJPEG, SerialBook, &av_data );
                if (ret == RET_SUCCESS)
                {
                        if( fwrite( av_data.ptr,av_data.size,1, pfd )  <= 0)
                        {
                               // ERR("save file error!!");
                                error_code = -1;
                                goto RECORD_QUIT;
                        }
                        if (SerialLock >= 0)
                        {
                                GetAVData(AV_OP_UNLOCK_MJPEG, SerialLock, &av_data);
                        }
                        SerialLock = SerialBook;
                        save_cnt--;
                        SerialBook++;
                }
                else
                {
                        GetAVData(AV_OP_GET_MJPEG_SERIAL, -1, &av_data );    
                        if( SerialBook > av_data.serial )
                        {
                                // delay for waiting next frame 
                               // usleep(5);
                                 // sleep();
				for(i=0;i<1000;i++);

                        }else{
                                SerialBook = av_data.serial;
                        }
                }
        }

        GetAVData(AV_OP_UNLOCK_MJPEG, SerialLock, &av_data);
RECORD_QUIT:
        if( pfd )
        {
                fclose(pfd);
        }
        return error_code;
}

int main()
{
	int result = 0;
	char *pFileName = "snap_test.jpg";
	Init_Interface(0x01);
	result = SaveAudioFile(pFileName );
	return 0;
}

we tried with code but not getting??

[Tumlee]

result = SaveAudioFile(pFileName); Are you sure a JPEG is supposed to be an Audio file? Furthermore, what libraries are you getting all of these functions from?