DM368开启移动侦测后,VIDEO_motionCopyRun开机启动后前面3此可以运行，后面就会出错跳出，增加调试信息，发现在调用OSA_queGet时，返回-1，程序因此退出。调试信息如下：
MOTION: Copying to pBufInfo->size = 28800
MOTION: Copying to pBufInfo->width = 1280
MOTION: Copying to pBufInfo->height = 720
MOTION: Copying to pBufInfo->isKeyFrame = 0
MOTION: Copying to pBufInfo->codecType = 0
MOTION: Recevied CMD = 0x0303
MOTION: Copying to pBufInfo->size = 28800
MOTION: Copying to pBufInfo->width = 1280
MOTION: Copying to pBufInfo->height = 720
MOTION: Copying to pBufInfo->isKeyFrame = 0
MOTION: Copying to pBufInfo->codecType = 0
MOTION: Recevied CMD = 0x0303
MOTION: Copying to pBufInfo->size = 28800
MOTION: Copying to pBufInfo->width = 1280
MOTION: Copying to pBufInfo->height = 720
MOTION: Copying to pBufInfo->isKeyFrame = 0
MOTION: Copying to pBufInfo->codecType = 0
MOTION: Recevied CMD = 0x0303
*******************OSA_queGet status = -1************
*******************OSA_queGet status = -1************
请帮忙看下，应该从哪方面往下调试，出错原因可能为何？