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Searched refs:VIDIOC_QUERYBUF (Results 1 – 14 of 14) sorted by relevance

/linux-6.12.1/Documentation/userspace-api/media/v4l/
Dvidioc-querybuf.rst7 ioctl VIDIOC_QUERYBUF
13 VIDIOC_QUERYBUF - Query the status of a buffer
18 .. c:macro:: VIDIOC_QUERYBUF
20 ``int ioctl(int fd, VIDIOC_QUERYBUF, struct v4l2_buffer *argp)``
51 :ref:`VIDIOC_QUERYBUF` with a pointer to this structure drivers return an
Dmmap.rst41 :ref:`VIDIOC_QUERYBUF` ioctl. In the single-planar
101 if (-1 == ioctl (fd, VIDIOC_QUERYBUF, &buffer)) {
102 perror("VIDIOC_QUERYBUF");
179 if (ioctl(fd, VIDIOC_QUERYBUF, &buffer) < 0) {
180 perror("VIDIOC_QUERYBUF");
237 be determined at any time using the :ref:`VIDIOC_QUERYBUF` ioctl. Two
258 :ref:`VIDIOC_REQBUFS <VIDIOC_REQBUFS>`, :ref:`VIDIOC_QUERYBUF
259 <VIDIOC_QUERYBUF>`, :ref:`VIDIOC_QBUF <VIDIOC_QBUF>`, :ref:`VIDIOC_DQBUF
Dplanar-apis.rst54 …OC_QBUF <VIDIOC_QBUF>`, :ref:`VIDIOC_DQBUF <VIDIOC_QBUF>`, :ref:`VIDIOC_QUERYBUF <VIDIOC_QUERYBUF>`
Duserp.rst28 :ref:`VIDIOC_QUERYBUF <VIDIOC_QUERYBUF>` ioctl.
Dbuffer.rst16 argument to the :ref:`VIDIOC_QUERYBUF`,
468 :ref:`VIDIOC_QUERYBUF`,
481 ``VIDIOC_QUERYBUF`` ioctl is called. After (successful) calling
490 this flag when the ``VIDIOC_QUERYBUF`` ioctl is called. After
552 :ref:`VIDIOC_QUERYBUF <VIDIOC_QUERYBUF>`,
598 :ref:`VIDIOC_QUERYBUF` or
Dv4l2grab.c.rst104 xioctl(fd, VIDIOC_QUERYBUF, &buf);
Dcapture.c.rst365 if (-1 == xioctl(fd, VIDIOC_QUERYBUF, &buf))
366 errno_exit("VIDIOC_QUERYBUF");
Dfunc-mmap.rst107 :ref:`VIDIOC_QUERYBUF` ioctl. Buffers must be
Dvidioc-qbuf.rst51 by a :ref:`VIDIOC_QUERYBUF` ioctl will do as well.
Ddiff-v4l.rst542 :ref:`VIDIOC_QUERYBUF` ioctl.
/linux-6.12.1/drivers/media/v4l2-core/
Dv4l2-compat-ioctl32.c889 return VIDIOC_QUERYBUF; in v4l2_compat_translate_cmd()
898 return VIDIOC_QUERYBUF; in v4l2_compat_translate_cmd()
Dv4l2-dev.c717 SET_VALID_IOCTL(ops, VIDIOC_QUERYBUF, vidioc_querybuf); in determine_valid_ioctls()
Dv4l2-ioctl.c2905 …IOCTL_INFO(VIDIOC_QUERYBUF, v4l_querybuf, v4l_print_buffer, INFO_FL_QUEUE | INFO_FL_CLEAR(v4l2_buf…
3162 case VIDIOC_QUERYBUF: in check_array_args()
3242 return VIDIOC_QUERYBUF; in video_translate_cmd()
/linux-6.12.1/include/uapi/linux/
Dvideodev2.h2696 #define VIDIOC_QUERYBUF _IOWR('V', 9, struct v4l2_buffer) macro