encode.c

#include <stdio.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include "g711codec.h"

int main(int argc, char *argv[])
{
	if(argc < 3)
	{
		printf("==> Usage:\n\tencode [src.pcm] [dest.g711a]\n");	
		//printf("==> Usage:\n\tencode [src.pcm] [dest.g711u]\n");	
		return 0;
	}

    FILE *pInFile = fopen(argv[1], "rb");
	FILE *pOutFile = fopen(argv[2], "wb");
	if (NULL == pInFile || NULL == pOutFile)
	{
		printf("open file failed\n");
		return 0;
	}

    struct stat s_buf;
    int status = 0;
    status = stat( argv[1], &s_buf);    
    printf("file_size = %d\n", s_buf.st_size);
	
	int Ret = 0;
	int Read = 0;
    int Len = s_buf.st_size;
    printf("datalen = %d\n", s_buf.st_size);

	unsigned char ucInBuff[ Len +1 ];
	unsigned char ucOutBuff[ Len + 1 ];
    memset(ucInBuff, 0, sizeof(ucInBuff));
    memset(ucOutBuff, 0, sizeof(ucOutBuff));
	
	Read = fread(ucInBuff, 1, Len, pInFile);
	printf("Read = %d, Ret = %d\n", Read, Ret);
	if (Read)
	{
		Ret = PCM2G711a( (char *)ucInBuff, (char *)ucOutBuff, Read, 0 );
		//Ret = PCM2G711u( (char *)ucInBuff, (char *)ucOutBuff, Read, 0 );
		printf("Read = %d, Ret = %d, %s, %d\n", Read, Ret, __func__, __LINE__);
		fwrite(ucOutBuff, 1, Ret, pOutFile);
		memset(ucInBuff, 0, sizeof(ucInBuff));
		memset(ucOutBuff, 0, sizeof(ucOutBuff));
	}
	else
	{
		printf("fread error !\n");
		return -1;
	}

	fclose(pInFile);
	fclose(pOutFile);
	return 0;	
}