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/OK3568_Linux_fs/kernel/Documentation/userspace-api/media/v4l/
H A Ddev-output.rst65 and call the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` ioctl with a pointer
75 of :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`, and call the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
77 parameters and finally return the actual parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
80 Like :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` the :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` ioctl
87 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`, :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` and :ref:`VIDIOC_TRY_FMT <VI…
88 details. Video output devices must implement both the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
89 and :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, even if :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ignores all
90 requests and always returns default parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does.
91 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` is optional.
H A Ddev-capture.rst68 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` ioctl with a pointer to this
78 of :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`, and call the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
80 parameters and finally return the actual parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
83 Like :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` the :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` ioctl
90 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`, :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` and :ref:`VIDIOC_TRY_FMT <VI…
91 details. Video capture devices must implement both the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
92 and :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, even if :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ignores all
93 requests and always returns default parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does.
94 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` is optional.
H A Dvidioc-g-fmt.rst7 ioctl VIDIOC_G_FMT, VIDIOC_S_FMT, VIDIOC_TRY_FMT
13 VIDIOC_G_FMT - VIDIOC_S_FMT - VIDIOC_TRY_FMT - Get or set the data format, try a format
18 .. c:macro:: VIDIOC_G_FMT
20 ``int ioctl(int fd, VIDIOC_G_FMT, struct v4l2_format *argp)``
50 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` ioctl with a pointer to this structure the driver fills
63 application. When the application calls the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl with
70 prepare for data exchange. Finally the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl returns
71 the current format parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does. Very simple,
74 application must implement the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and :ref:`VIDIOC_S_FMT <VIDIOC_G_…
76 EINVAL error code on a :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` attempt. When I/O is already in
[all …]
H A Dformat.rst26 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and
27 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctls. Additionally the
28 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` ioctl can be used to examine
34 The :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl is a major turning-point in the
37 change controls or modify other properties. The first :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
53 When applications omit the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl its locking side
64 *may* support a switch using :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`.
67 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl. Implementation of …
68 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` is highly recommended but optional.
H A Ddev-osd.rst23 the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl.
123 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` ioctl. The driver fills the
130 substructure and call the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl.
132 the actual parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does. Like :ref:`VIDIOC_S_FMT <VIDIOC_G…
133 the :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` ioctl can be used to learn
135 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` this also works after the overlay has been enabled.
H A Ddev-overlay.rst26 the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl.
107 (:ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`) or overlay
127 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` ioctl. The driver fills the
134 call the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl. The driver
136 parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does. Like :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`, the
137 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` ioctl can be used to learn
139 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` this also works after the overlay has been enabled.
148 (:ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`) may fail with an ``EBUSY`` error
196 contents after calling :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
203 after calling :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` are undefined. When clip lists are
[all …]
H A Ddev-raw-vbi.rst32 applications must call the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl.
72 the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` ioctl with a pointer to this
81 of :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`, and call the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
95 VBI devices must implement both the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and
96 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, even if :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ignores all re…
97 and always returns default parameters as :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` does.
98 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` is optional.
H A Dplanar-apis.rst47 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`, :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`, :ref:`VIDIOC_TRY_FMT <VIDIO…
H A Dcrop.rst37 overlay) is negotiated with the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`
38 and :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctls.
42 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
128 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` ioctl however shall not change
298 if (-1 == ioctl (fd, VIDIOC_G_FMT, &format)) {
299 perror ("VIDIOC_G_FMT");
H A Dvidioc-enum-fmt.rst196 when calling the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl with
203 device when calling the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl with
210 when calling the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl with
217 when calling the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl with
224 device when calling the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl with
H A Dio.rst25 initiating video overlay with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
35 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` and :ref:`VIDIOC_REQBUFS` would permit this to some
H A Ddev-sliced-vbi.rst25 calling the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl as defined
61 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl when the number of VBI
71 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` ioctl fills the ``fmt.sliced``
77 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl with a pointer to the
91 The :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl modifies the parameters
125 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` or
126 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>`, the ``service_lines``
278 a side effect). The :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl may
347 been negotiated with the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` or
348 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl. When the line numbers are
H A Ddiff-v4l.rst120 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, respectively. The
158 were removed. Calling the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` or
159 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` ioctl with the desired
338 be selected with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl.
419 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and
420 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`. They take a pointer to a struct
473 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl.
492 negotiation ioctls :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and
493 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`. They take a pointer to a struct
518 with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl. When no
H A Dvidioc-g-fbuf.rst157 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, using the ``field``
280 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`) will be used. Only one
285 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`. If this flag is set for a
294 and negotiated with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`
298 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
313 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
327 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl, see :ref:`overlay`
H A Dlibv4l-introduction.rst92 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>`,
93 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>`,
94 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`,
H A Dvidioc-create-bufs.rst50 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` or
51 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` ioctls to ensure that the
H A Dfield-order.rst56 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl. If this is not desired it
82 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` or
83 :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>`. struct
H A Dpixfmt.rst14 the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl. (The explanations here
H A Dhist-v4l2.rst138 :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and
139 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl taking a union and a
244 compatibility* as the :ref:`VIDIOC_G_FMT <VIDIOC_G_FMT>` and
245 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctls may fail now if the
277 error codes with the :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl was
415 9. The :ref:`VIDIOC_TRY_FMT <VIDIOC_G_FMT>` ioctl was added to
417 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`, but without the overhead of
422 image format negotiations are now possible with ``VIDIOC_G_FMT``,
879 :ref:`VIDIOC_G/S/TRY_FMT <VIDIOC_G_FMT>` ioctls, which take a
H A Dselection-api-configuration.rst53 the image size set by :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>`.
93 specified using :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl.
H A Dcapture.c.rst504 if (-1 == xioctl(fd, VIDIOC_G_FMT, &fmt))
505 errno_exit("VIDIOC_G_FMT");
H A Dvidioc-g-crop.rst64 :ref:`VIDIOC_G_CROP <VIDIOC_G_CROP>` and :ref:`VIDIOC_G_FMT`. When the
H A Dvidioc-g-sliced-vbi-cap.rst99 :ref:`VIDIOC_S_FMT <VIDIOC_G_FMT>` ioctl as described in
/OK3568_Linux_fs/kernel/drivers/media/v4l2-core/
H A Dv4l2-dev.c614 set_bit(_IOC_NR(VIDIOC_G_FMT), valid_ioctls); in determine_valid_ioctls()
653 SET_VALID_IOCTL(ops, VIDIOC_G_FMT, vidioc_g_fmt_meta_cap); in determine_valid_ioctls()
659 SET_VALID_IOCTL(ops, VIDIOC_G_FMT, vidioc_g_fmt_meta_out); in determine_valid_ioctls()
669 set_bit(_IOC_NR(VIDIOC_G_FMT), valid_ioctls); in determine_valid_ioctls()
684 SET_VALID_IOCTL(ops, VIDIOC_G_FMT, vidioc_g_fmt_vid_cap); in determine_valid_ioctls()
697 SET_VALID_IOCTL(ops, VIDIOC_G_FMT, vidioc_g_fmt_sdr_cap); in determine_valid_ioctls()
703 SET_VALID_IOCTL(ops, VIDIOC_G_FMT, vidioc_g_fmt_sdr_out); in determine_valid_ioctls()
/OK3568_Linux_fs/app/forlinx/flapp/src/plugins/imxx11/usbcamera/
H A Dcamera.cpp121 ret = ::ioctl(fd, VIDIOC_G_FMT, &format); in camera_init()

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