DM6446使用TI的jpegenc编码codec失败，求助。

#include <xdc/std.h>
#include <ti/sdo/ce/Engine.h>
#include <ti/sdo/ce/osal/Memory.h>
#include <ti/sdo/ce/video/viddec.h>
#include <ti/sdo/ce/video/videnc.h>
#include <ti/sdo/ce/trace/gt.h>
#include <ti/sdo/ce/video1/videnc1.h>
#include <ti/sdo/ce/utils/trace/TraceUtil.h>
#include <stdio.h>
#include <stdlib.h>
#include <sys/time.h>

#include <ti/sdo/ce/image1/imgenc1.h>
#include <ti/sdo/ce/image1/imgdec1.h>

#define ENABLE_DEBUG   0

static String engineName   = "encode";

const char *inFileName = "1.yuv";
const char *outFileName = "1.jpg";

Engine_Handle ce = NULL;
IIMGENC1_Handle enc= NULL;

XDAS_Int8 *inBuf;
XDAS_Int8 *outBuf;

#define WIDTH  800
#define HEIGHT 480

IIMGENC1_InArgs		encInArgs;
IIMGENC1_OutArgs	encOutArgs;
IIMGENC1_DynamicParams	encDynParams = {
		sizeof(IIMGENC1_DynamicParams),
		0,
		XDM_YUV_422P,
		WIDTH,
		HEIGHT,
		0,
		0,
		80,
	};
IIMGENC1_Status		encStatus;
	
XDM1_BufDesc		inBufDesc;
XDM1_BufDesc		outBufDesc;


static void encode(IMGENC1_Handle enc)
{
	int status;	
	
	encInArgs.size		= sizeof(encInArgs);
	encOutArgs.size		= sizeof(encOutArgs);
	encStatus.size		= sizeof(encStatus);	
//get buffer information
	status = IMGENC1_control(enc, XDM_GETBUFINFO, &encDynParams, &encStatus);
	printf("getBuf control = %d\n", status);

	inBufDesc.numBufs		= encStatus.bufInfo.minNumInBufs;
	inBufDesc.descs[0].bufSize	= encStatus.bufInfo.minInBufSize[0];
	inBufDesc.descs[0].buf		= inBuf;
	
	outBufDesc.numBufs		= encStatus.bufInfo.minNumOutBufs;
	outBufDesc.descs[0].bufSize	= encStatus.bufInfo.minOutBufSize[0];
	outBufDesc.descs[0].buf		= outBuf;
//process
	status = IMGENC1_process(enc, &inBufDesc, &outBufDesc, &encInArgs, &encOutArgs);
	printf("process = %d\n", status);
	
	status = encOutArgs.bytesGenerated;
	printf("byteGenerated = %d\n", status);

}

int main(int argc, char * argv[])
{
    struct timeval tpstart,tpend;
    unsigned long timeuses=0;

    
    FILE* fpIn;
    FILE* fpOut;
	
    int ret;
    CERuntime_init();
//此用法是参照Memory.h里的说明使用的
    Memory_AllocParams  myParams;
    myParams = Memory_DEFAULTPARAMS;
    myParams.type = Memory_CONTIGPOOL;
    
    inBuf = Memory_alloc(WIDTH*HEIGHT*2, &myParams);
    outBuf = Memory_alloc(WIDTH*HEIGHT*2, &myParams);

    printf("inbuf = 0x%x\n", (int)inBuf); 
    printf("outbuf = 0x%x\n", (int)outBuf); 

    fpIn = fopen(inFileName, "rb");
	if(fpIn != NULL)printf("open fin ok!\n");
    fpOut= fopen(outFileName, "wb");
	if(fpOut != NULL)printf("open out ok!\n");

    ret =  fread(inBuf, WIDTH*HEIGHT, 2, fpIn);    
    printf("ret = %d\n", ret);
//打开引擎
    if ((ce = Engine_open(engineName, NULL, NULL)) == NULL){
	printf("engine open error\n");
	exit(0);
    }else{
	printf("engine open ok\n");
    }
//创建算法
    enc = IMGENC1_create(ce, "jpegenc", NULL);
    if (enc == NULL){
	printf("imgenc1_copy create error\n");
	exit(0);
    }else{
	printf("hy_jpeg create ok\n");
    }
//开始编码    
    gettimeofday(&tpstart,0);
    encode(enc);
    gettimeofday(&tpend,0);
    // 微秒
    timeuses=(tpend.tv_sec-tpstart.tv_sec)*1000000+tpend.tv_usec-tpstart.tv_usec;
    printf("use time: %uus\n",timeuses);
//编码完成	
    fwrite(outBuf, encOutArgs.bytesGenerated, 1, fpOut);
    
    fclose(fpIn);
    fclose(fpOut);

    IMGENC1_delete(enc);
	
    Engine_close(ce);
	
    if(outBuf)Memory_free(outBuf,WIDTH*HEIGHT*2, &myParams);
    if(inBuf)Memory_free(inBuf, WIDTH*HEIGHT*2, &myParams);
		
    CERuntime_exit();
}



这是所有打印信息
inbuf = 0x40a32000
outbuf = 0x40afd000
open fin ok!
open out ok!
ret = 2
engine open ok
hy_jpeg create ok
getBuf control = 0
CMEM Error: getPhys: Failed to get physical address of 0x415a3aff
@0x000a8160:[T:0x4001e880] OM - Memory_getBufferPhysicalAddress> ERROR: user buffer at addr=0x40a32000, size=12000000 is NOT contiguous
process = -1
byteGenerated = 0
use time: 18488us

process执行后返回的是-1，执行失败了。