Lines Matching refs:buf

167 	struct v4l2_buffer buf;
179 	buf.type = V4L2_BUF_TYPE_VIDEO_OUTPUT;
180 	buf.flags |= V4L2_BUF_FLAG_REQUEST_FD;
181 	buf.request_fd = req_fd;
182 	if (ioctl(codec_fd, VIDIOC_QBUF, &buf))
202 	struct v4l2_buffer buf;
204 	memset(&buf, 0, sizeof(buf));
205 	buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
206 	if (ioctl(codec_fd, VIDIOC_DQBUF, &buf))
250 	struct v4l2_buffer buf;
262 	buf.type = V4L2_BUF_TYPE_VIDEO_CAPTURE;
263 	buf.flags |= V4L2_BUF_FLAG_REQUEST_FD;
264 	buf.request_fd = req_fd;
265 	if (ioctl(camera_fd, VIDIOC_QBUF, &buf))