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dm8127 yuv420sp读取问题



 根据文档,我在process里如下操作:

   int i;
   Uint8 *temp;
   temp=(Uint8*)pFrame->addr[0][0];
   for(i=0;i<320*192/8;i+=4)
                           {

                Vps_rprintf(" HelloWorldLink_processData: %d %d %d %d",temp[i],temp[i+1],temp[i+2],temp[i+3]);

                }

出现c67x死掉的问题,就是运行几次dsp的打印信息都没了,但是当i取值小的时候没问题(大概取到10行正常),这是什么问题?应该能够取出320*192/2的数据啊