39     mDeviceFd = ::open(deviceName, O_RDWR, 0);  in open()
40     if (mDeviceFd < 0) {  in open()
47         int result = ioctl(mDeviceFd, VIDIOC_QUERYCAP, &caps);  in open()
55     ALOGI("Open Device: %s (fd=%d)", deviceName, mDeviceFd);  in open()
71         if (ioctl(mDeviceFd, VIDIOC_ENUM_FMT, &formatDescriptions) == 0) {  in open()
105     if (ioctl(mDeviceFd, VIDIOC_S_FMT, &format) < 0) {  in open()
111     if (ioctl(mDeviceFd, VIDIOC_G_FMT, &format) == 0) {  in open()
144         ALOGD("closing video device file handled %d", mDeviceFd);  in close()
145         ::close(mDeviceFd);  in close()
146         mDeviceFd = -1;  in close()
165     if (ioctl(mDeviceFd, VIDIOC_REQBUFS, &bufrequest) < 0) {  in startStream()
175     if (ioctl(mDeviceFd, VIDIOC_QUERYBUF, &mBufferInfo) < 0) {  in startStream()
190             mDeviceFd,  in startStream()
201     if (ioctl(mDeviceFd, VIDIOC_QBUF, &mBufferInfo) < 0) {  in startStream()
208     if (ioctl(mDeviceFd, VIDIOC_STREAMON, &type) < 0) {  in startStream()
241         if (ioctl(mDeviceFd, VIDIOC_STREAMOFF, &type) < 0) {  in stopStream()
256     ioctl(mDeviceFd, VIDIOC_REQBUFS, &bufrequest);  in stopStream()
273     if (ioctl(mDeviceFd, VIDIOC_QBUF, &mBufferInfo) < 0) {  in returnFrame()
287         if (ioctl(mDeviceFd, VIDIOC_DQBUF, &mBufferInfo) < 0) {  in collectFrames()