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()
104     if (ioctl(mDeviceFd, VIDIOC_S_FMT, &format) < 0) {  in open()
110     if (ioctl(mDeviceFd, VIDIOC_G_FMT, &format) == 0) {  in open()
143         ALOGD("closing video device file handled %d", mDeviceFd);  in close()
144         ::close(mDeviceFd);  in close()
145         mDeviceFd = -1;  in close()
164     if (ioctl(mDeviceFd, VIDIOC_REQBUFS, &bufrequest) < 0) {  in startStream()
174     if (ioctl(mDeviceFd, VIDIOC_QUERYBUF, &mBufferInfo) < 0) {  in startStream()
189             mDeviceFd,  in startStream()
200     if (ioctl(mDeviceFd, VIDIOC_QBUF, &mBufferInfo) < 0) {  in startStream()
207     if (ioctl(mDeviceFd, VIDIOC_STREAMON, &type) < 0) {  in startStream()
240         if (ioctl(mDeviceFd, VIDIOC_STREAMOFF, &type) < 0) {  in stopStream()
255     ioctl(mDeviceFd, VIDIOC_REQBUFS, &bufrequest);  in stopStream()
272     if (ioctl(mDeviceFd, VIDIOC_QBUF, &mBufferInfo) < 0) {  in returnFrame()
286         if (ioctl(mDeviceFd, VIDIOC_DQBUF, &mBufferInfo) < 0) {  in collectFrames()