sphinx.addnodesdocument)}( rawsourcechildren]( translations LanguagesNode)}(hhh](h pending_xref)}(hhh]docutils.nodesTextChinese (Simplified)}parenthsba attributes}(ids]classes]names]dupnames]backrefs] refdomainstdreftypedoc reftarget;/translations/zh_CN/userspace-api/media/v4l/vidioc-querycapmodnameN classnameN refexplicitutagnamehhh ubh)}(hhh]hChinese (Traditional)}hh2sbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget;/translations/zh_TW/userspace-api/media/v4l/vidioc-querycapmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hItalian}hhFsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget;/translations/it_IT/userspace-api/media/v4l/vidioc-querycapmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hJapanese}hhZsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget;/translations/ja_JP/userspace-api/media/v4l/vidioc-querycapmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hKorean}hhnsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget;/translations/ko_KR/userspace-api/media/v4l/vidioc-querycapmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hPortuguese (Brazilian)}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget;/translations/pt_BR/userspace-api/media/v4l/vidioc-querycapmodnameN classnameN refexplicituh1hhh ubh)}(hhh]hSpanish}hhsbah}(h]h ]h"]h$]h&] refdomainh)reftypeh+ reftarget;/translations/sp_SP/userspace-api/media/v4l/vidioc-querycapmodnameN classnameN refexplicituh1hhh ubeh}(h]h ]h"]h$]h&]current_languageEnglishuh1h hh _documenthsourceNlineNubhcomment)}(h8SPDX-License-Identifier: GFDL-1.1-no-invariants-or-laterh]h8SPDX-License-Identifier: GFDL-1.1-no-invariants-or-later}hhsbah}(h]h ]h"]h$]h&] xml:spacepreserveuh1hhhhhhU/var/lib/git/docbuild/linux/Documentation/userspace-api/media/v4l/vidioc-querycap.rsthKubhtarget)}(h.. _VIDIOC_QUERYCAP:h]h}(h]h ]h"]h$]h&]refidvidioc-querycapuh1hhKhhhhhhubhsection)}(hhh](htitle)}(hioctl VIDIOC_QUERYCAPh]hioctl VIDIOC_QUERYCAP}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(hNameh]hName}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhhhhhK ubh paragraph)}(h+VIDIOC_QUERYCAP - Query device capabilitiesh]h+VIDIOC_QUERYCAP - Query device capabilities}(hhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK hhhhubeh}(h]nameah ]h"]nameah$]h&]uh1hhhhhhhhK ubh)}(hhh](h)}(hSynopsish]hSynopsis}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubhindex)}(hhh]h}(h]h ]h"]h$]h&]entries](singleV4L.VIDIOC_QUERYCAP (C macro)c.V4L.VIDIOC_QUERYCAPhNtauh1j%hjhhhNhNubhdesc)}(hhh](hdesc_signature)}(hVIDIOC_QUERYCAPh]hdesc_signature_line)}(hVIDIOC_QUERYCAPh]h desc_name)}(hVIDIOC_QUERYCAPh]h desc_sig_name)}(hj?h]hVIDIOC_QUERYCAP}(hjOhhhNhNubah}(h]h ]nah"]h$]h&]uh1jMhjIubah}(h]h ](sig-namedescnameeh"]h$]h&]hhuh1jGhjChhhhhKubah}(h]h ]h"]h$]h&]hhƌ add_permalinkuh1jAsphinx_line_type declaratorhj=hhhhhKubah}(h]j4ah ](sig sig-objecteh"]h$]h&] is_multiline _toc_parts) _toc_namehuh1j;hhhKhj8hhubh desc_content)}(hhh]h}(h]h ]h"]h$]h&]uh1jyhj8hhhhhKubeh}(h]h ](cmacroeh"]h$]h&]domainjobjtypejdesctypejnoindex noindexentrynocontentsentryuh1j6hhhjhNhNubh)}(hD``int ioctl(int fd, VIDIOC_QUERYCAP, struct v4l2_capability *argp)``h]hliteral)}(hjh]h@int ioctl(int fd, VIDIOC_QUERYCAP, struct v4l2_capability *argp)}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjhhubeh}(h]synopsisah ]h"]synopsisah$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(h Argumentsh]h Arguments}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhKubhdefinition_list)}(hhh](hdefinition_list_item)}(h5``fd`` File descriptor returned by :c:func:`open()`. h](hterm)}(h``fd``h]j)}(hjh]hfd}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1jhhhKhjubh definition)}(hhh]h)}(h-File descriptor returned by :c:func:`open()`.h](hFile descriptor returned by }(hjhhhNhNubh)}(h:c:func:`open()`h]j)}(hjh]hopen()}(hjhhhNhNubah}(h]h ](xrefjc-funceh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdoc'userspace-api/media/v4l/vidioc-querycap refdomainjreftypefunc refexplicitrefwarn c:parent_keysphinx.domains.c LookupKey)}data]j ASTIdentifier)} identifierV4LsbNasb reftargetopenuh1hhhhKhjubh.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhhhKhjubj)}(h6``argp`` Pointer to struct :c:type:`v4l2_capability`. h](j)}(h``argp``h]j)}(hjBh]hargp}(hjDhhhNhNubah}(h]h ]h"]h$]h&]uh1jhj@ubah}(h]h ]h"]h$]h&]uh1jhhhKhj<ubj)}(hhh]h)}(h,Pointer to struct :c:type:`v4l2_capability`.h](hPointer to struct }(hjZhhhNhNubh)}(h:c:type:`v4l2_capability`h]j)}(hjdh]hv4l2_capability}(hjfhhhNhNubah}(h]h ](jjc-typeeh"]h$]h&]uh1jhjbubah}(h]h ]h"]h$]h&]refdocj refdomainjreftypetype refexplicitrefwarnjjj$v4l2_capabilityuh1hhhhKhjZubh.}(hjZhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjWubah}(h]h ]h"]h$]h&]uh1jhj<ubeh}(h]h ]h"]h$]h&]uh1jhhhKhjhhubeh}(h]h ]h"]h$]h&]uh1jhjhhhhhNubeh}(h] argumentsah ]h"] argumentsah$]h&]uh1hhhhhhhhKubh)}(hhh](h)}(h Descriptionh]h Description}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjhhhhhK ubh)}(hXAll V4L2 devices support the ``VIDIOC_QUERYCAP`` ioctl. It is used to identify kernel devices compatible with this specification and to obtain information about driver and hardware capabilities. The ioctl takes a pointer to a struct :c:type:`v4l2_capability` which is filled by the driver. When the driver is not compatible with this specification the ioctl returns an ``EINVAL`` error code.h](hAll V4L2 devices support the }(hjhhhNhNubj)}(h``VIDIOC_QUERYCAP``h]hVIDIOC_QUERYCAP}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh ioctl. It is used to identify kernel devices compatible with this specification and to obtain information about driver and hardware capabilities. The ioctl takes a pointer to a struct }(hjhhhNhNubh)}(h:c:type:`v4l2_capability`h]j)}(hjh]hv4l2_capability}(hjhhhNhNubah}(h]h ](jjc-typeeh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftypetype refexplicitrefwarnjjj$v4l2_capabilityuh1hhhhK"hjubho which is filled by the driver. When the driver is not compatible with this specification the ioctl returns an }(hjhhhNhNubj)}(h ``EINVAL``h]hEINVAL}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh error code.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK"hjhhubj&)}(hhh]h}(h]h ]h"]h$]h&]entries](j2V4L.v4l2_capability (C type)c.V4L.v4l2_capabilityhNtauh1j%hjhhhNhNubj7)}(hhh](j<)}(hv4l2_capabilityh]jB)}(htype v4l2_capabilityh](hdesc_sig_keyword)}(htypeh]htype}(hj&hhhNhNubah}(h]h ]kah"]h$]h&]uh1j$hj hhhhhK)ubhdesc_sig_space)}(h h]h }(hj7hhhNhNubah}(h]h ]wah"]h$]h&]uh1j5hj hhhhhK)ubjH)}(hv4l2_capabilityh]jN)}(hjh]hv4l2_capability}(hjJhhhNhNubah}(h]h ]jYah"]h$]h&]uh1jMhjFubah}(h]h ](j`jaeh"]h$]h&]hhuh1jGhj hhhhhK)ubeh}(h]h ]h"]h$]h&]hhjkuh1jAjljmhjhhhhhK)ubah}(h]jah ](jqjreh"]h$]h&]jvjw)jxhuh1j;hhhK)hjhhubjz)}(hhh]h}(h]h ]h"]h$]h&]uh1jyhjhhhhhK)ubeh}(h]h ](jtypeeh"]h$]h&]jjjjujjujjjuh1j6hhhjhNhNubhtabular_col_spec)}(hhh]h}(h]h ]h"]h$]h&]spec|p{1.4cm}|p{2.8cm}|p{13.1cm}|uh1jyhhhK+hjhhubhtable)}(hhh](h)}(hstruct v4l2_capabilityh]hstruct v4l2_capability}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK/hjubhtgroup)}(hhh](hcolspec)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhjubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhjubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhjubhtbody)}(hhh](hrow)}(hhh](hentry)}(hhh]h)}(h__u8h]h__u8}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK4hjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h``driver``\ [16]h](j)}(h ``driver``h]hdriver}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh [16]}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK5hjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](h)}(hName of the driver, a unique NUL-terminated ASCII string. For example: "bttv". Driver specific applications can use this information to verify the driver identity. It is also useful to work around known bugs, or to identify drivers in error reports.h]hName of the driver, a unique NUL-terminated ASCII string. For example: “bttv”. Driver specific applications can use this information to verify the driver identity. It is also useful to work around known bugs, or to identify drivers in error reports.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK6hjubh)}(hStoring strings in fixed sized arrays is bad practice but unavoidable here. Drivers and applications should take precautions to never read or write beyond the end of the array and to make sure the strings are properly NUL-terminated.h]hStoring strings in fixed sized arrays is bad practice but unavoidable here. Drivers and applications should take precautions to never read or write beyond the end of the array and to make sure the strings are properly NUL-terminated.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK;hjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h__u8h]h__u8}(hj7hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhK?hj4ubah}(h]h ]h"]h$]h&]uh1jhj1ubj)}(hhh]h)}(h``card``\ [32]h](j)}(h``card``h]hcard}(hjRhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjNubh [32]}(hjNhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK@hjKubah}(h]h ]h"]h$]h&]uh1jhj1ubj)}(hhh]h)}(hXName of the device, a NUL-terminated UTF-8 string. For example: "Yoyodyne TV/FM". One driver may support different brands or models of video hardware. This information is intended for users, for example in a menu of available devices. Since multiple TV cards of the same brand may be installed which are supported by the same driver, this name should be combined with the character device file name (e. g. ``/dev/video2``) or the ``bus_info`` string to avoid ambiguities.h](hXName of the device, a NUL-terminated UTF-8 string. For example: “Yoyodyne TV/FM”. One driver may support different brands or models of video hardware. This information is intended for users, for example in a menu of available devices. Since multiple TV cards of the same brand may be installed which are supported by the same driver, this name should be combined with the character device file name (e. g. }(hjshhhNhNubj)}(h``/dev/video2``h]h /dev/video2}(hj{hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjsubh ) or the }(hjshhhNhNubj)}(h ``bus_info``h]hbus_info}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjsubh string to avoid ambiguities.}(hjshhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKAhjpubah}(h]h ]h"]h$]h&]uh1jhj1ubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h__u8h]h__u8}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKIhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h``bus_info``\ [32]h](j)}(h ``bus_info``h]hbus_info}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh [32]}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKJhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hXLocation of the device in the system, a NUL-terminated ASCII string. For example: "PCI:0000:05:06.0". This information is intended for users, to distinguish multiple identical devices. If no such information is available the field must simply count the devices controlled by the driver ("platform:vivid-000"). The bus_info must start with "PCI:" for PCI boards, "PCIe:" for PCI Express boards, "usb-" for USB devices, "I2C:" for i2c devices, "ISA:" for ISA devices, "parport" for parallel port devices and "platform:" for platform devices.h]hX?Location of the device in the system, a NUL-terminated ASCII string. For example: “PCI:0000:05:06.0”. This information is intended for users, to distinguish multiple identical devices. If no such information is available the field must simply count the devices controlled by the driver (“platform:vivid-000”). The bus_info must start with “PCI:” for PCI boards, “PCIe:” for PCI Express boards, “usb-” for USB devices, “I2C:” for i2c devices, “ISA:” for ISA devices, “parport” for parallel port devices and “platform:” for platform devices.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h__u32h]h__u32}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKThjubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h ``version``h]j)}(hj,h]hversion}(hj.hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj*ubah}(h]h ]h"]h$]h&]uh1hhhhKUhj'ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh](h)}(hVersion number of the driver.h]hVersion number of the driver.}(hjJhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKVhjGubh)}(hXStarting with kernel 3.1, the version reported is provided by the V4L2 subsystem following the kernel numbering scheme. However, it may not always return the same version as the kernel if, for example, a stable or distribution-modified kernel uses the V4L2 stack from a newer kernel.h]hXStarting with kernel 3.1, the version reported is provided by the V4L2 subsystem following the kernel numbering scheme. However, it may not always return the same version as the kernel if, for example, a stable or distribution-modified kernel uses the V4L2 stack from a newer kernel.}(hjXhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKXhjGubh)}(hThe version number is formatted using the ``KERNEL_VERSION()`` macro. For example if the media stack corresponds to the V4L2 version shipped with Kernel 4.14, it would be equivalent to:h](h*The version number is formatted using the }(hjfhhhNhNubj)}(h``KERNEL_VERSION()``h]hKERNEL_VERSION()}(hjnhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjfubh{ macro. For example if the media stack corresponds to the V4L2 version shipped with Kernel 4.14, it would be equivalent to:}(hjfhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhK^hjGubeh}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]j)}(hhh](h)}(h :cspan:`2`h]h}(h]h ]h"]h$]h&]uh1hhhhKahjubh)}(hB``#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))``h]j)}(hjh]h>#define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKchjubh)}(h-``__u32 version = KERNEL_VERSION(4, 14, 0);``h]j)}(hjh]h)__u32 version = KERNEL_VERSION(4, 14, 0);}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKehjubh)}(h#``printf ("Version: %u.%u.%u\\n",``h]j)}(h#``printf ("Version: %u.%u.%u\\n",``h]hprintf ("Version: %u.%u.%u\\n",}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKghjubh)}(hC``(version >> 16) & 0xFF, (version >> 8) & 0xFF, version & 0xFF);``h]j)}(hjh]h?(version >> 16) & 0xFF, (version >> 8) & 0xFF, version & 0xFF);}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKihjubeh}(h]h ]h"]h$]h&]morecolsKuh1jhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h__u32h]h__u32}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKjhjubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h``capabilities``h]j)}(hj+h]h capabilities}(hj-hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj)ubah}(h]h ]h"]h$]h&]uh1hhhhKkhj&ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hX:Available capabilities of the physical device as a whole, see :ref:`device-capabilities`. The same physical device can export multiple devices in /dev (e.g. /dev/videoX, /dev/vbiY and /dev/radioZ). The ``capabilities`` field should contain a union of all capabilities available around the several V4L2 devices exported to userspace. For all those devices the ``capabilities`` field returns the same set of capabilities. This allows applications to open just one of the devices (typically the video device) and discover whether video, vbi and/or radio are also supported.h](h>Available capabilities of the physical device as a whole, see }(hjIhhhNhNubh)}(h:ref:`device-capabilities`h]hinline)}(hjSh]hdevice-capabilities}(hjWhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjQubah}(h]h ]h"]h$]h&]refdocj refdomainjareftyperef refexplicitrefwarnj$device-capabilitiesuh1hhhhKlhjIubhr. The same physical device can export multiple devices in /dev (e.g. /dev/videoX, /dev/vbiY and /dev/radioZ). The }(hjIhhhNhNubj)}(h``capabilities``h]h capabilities}(hjwhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjIubh field should contain a union of all capabilities available around the several V4L2 devices exported to userspace. For all those devices the }(hjIhhhNhNubj)}(h``capabilities``h]h capabilities}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjIubh field returns the same set of capabilities. This allows applications to open just one of the devices (typically the video device) and discover whether video, vbi and/or radio are also supported.}(hjIhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKlhjFubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h__u32h]h__u32}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKvhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h``device_caps``h]j)}(hjh]h device_caps}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKwhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hXDevice capabilities of the opened device, see :ref:`device-capabilities`. Should contain the available capabilities of that specific device node. So, for example, ``device_caps`` of a radio device will only contain radio related capabilities and no video or vbi capabilities. This field is only set if the ``capabilities`` field contains the ``V4L2_CAP_DEVICE_CAPS`` capability. Only the ``capabilities`` field can have the ``V4L2_CAP_DEVICE_CAPS`` capability, ``device_caps`` will never set ``V4L2_CAP_DEVICE_CAPS``.h](h.Device capabilities of the opened device, see }(hjhhhNhNubh)}(h:ref:`device-capabilities`h]jV)}(hjh]hdevice-capabilities}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$device-capabilitiesuh1hhhhKxhjubh[. Should contain the available capabilities of that specific device node. So, for example, }(hjhhhNhNubj)}(h``device_caps``h]h device_caps}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh of a radio device will only contain radio related capabilities and no video or vbi capabilities. This field is only set if the }(hjhhhNhNubj)}(h``capabilities``h]h capabilities}(hj(hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh field contains the }(hjhhhNhNubj)}(h``V4L2_CAP_DEVICE_CAPS``h]hV4L2_CAP_DEVICE_CAPS}(hj:hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh capability. Only the }(hjhhhNhNubj)}(h``capabilities``h]h capabilities}(hjLhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh field can have the }(hjhhhNhNubj)}(h``V4L2_CAP_DEVICE_CAPS``h]hV4L2_CAP_DEVICE_CAPS}(hj^hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh capability, }(hjhhhNhNubj)}(h``device_caps``h]h device_caps}(hjphhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh will never set }(hjhhhNhNubj)}(h``V4L2_CAP_DEVICE_CAPS``h]hV4L2_CAP_DEVICE_CAPS}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKxhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh](j)}(hhh]h)}(h__u32h]h__u32}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h``reserved``\ [3]h](j)}(h ``reserved``h]hreserved}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh [3]}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hDReserved for future extensions. Drivers must set this array to zero.h]hDReserved for future extensions. Drivers must set this array to zero.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]colsKuh1jhjubeh}(h]id2ah ] longtableah"]h$]h&]uh1jhjhhhNhNubjz)}(hhh]h}(h]h ]h"]h$]h&]j|p{7.0cm}|p{2.6cm}|p{7.7cm}|uh1jyhhhKhjhhubh)}(h.. _device-capabilities:h]h}(h]h ]h"]h$]h&]hԌdevice-capabilitiesuh1hhKhjhhhhubj)}(hhh](h)}(hDevice Capabilities Flagsh]hDevice Capabilities Flags}(hj/hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj,ubj)}(hhh](j)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhj=ubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhj=ubj)}(hhh]h}(h]h ]h"]h$]h&]colwidthKuh1jhj=ubj)}(hhh](j)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_VIDEO_CAPTURE``h]j)}(hjih]hV4L2_CAP_VIDEO_CAPTURE}(hjkhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjgubah}(h]h ]h"]h$]h&]uh1hhhhKhjdubah}(h]h ]h"]h$]h&]uh1jhjaubj)}(hhh]h)}(h 0x00000001h]h 0x00000001}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjaubj)}(hhh]h)}(h_The device supports the single-planar API through the :ref:`Video Capture ` interface.h](h6The device supports the single-planar API through the }(hjhhhNhNubh)}(h:ref:`Video Capture `h]jV)}(hjh]h Video Capture}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$captureuh1hhhhKhjubh interface.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjaubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h!``V4L2_CAP_VIDEO_CAPTURE_MPLANE``h]j)}(hjh]hV4L2_CAP_VIDEO_CAPTURE_MPLANE}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x00001000h]h 0x00001000}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hsThe device supports the :ref:`multi-planar API ` through the :ref:`Video Capture ` interface.h](hThe device supports the }(hj hhhNhNubh)}(h%:ref:`multi-planar API `h]jV)}(hj# h]hmulti-planar API}(hj% hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj! ubah}(h]h ]h"]h$]h&]refdocj refdomainj/ reftyperef refexplicitrefwarnj$ planar-apisuh1hhhhKhj ubh through the }(hj hhhNhNubh)}(h:ref:`Video Capture `h]jV)}(hjG h]h Video Capture}(hjI hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjE ubah}(h]h ]h"]h$]h&]refdocj refdomainjS reftyperef refexplicitrefwarnj$captureuh1hhhhKhj ubh interface.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_VIDEO_OUTPUT``h]j)}(hj h]hV4L2_CAP_VIDEO_OUTPUT}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj~ ubah}(h]h ]h"]h$]h&]uh1jhj{ ubj)}(hhh]h)}(h 0x00000002h]h 0x00000002}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj{ ubj)}(hhh]h)}(h]The device supports the single-planar API through the :ref:`Video Output ` interface.h](h6The device supports the single-planar API through the }(hj hhhNhNubh)}(h:ref:`Video Output `h]jV)}(hj h]h Video Output}(hj hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj ubah}(h]h ]h"]h$]h&]refdocj refdomainj reftyperef refexplicitrefwarnj$outputuh1hhhhKhj ubh interface.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj{ ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h ``V4L2_CAP_VIDEO_OUTPUT_MPLANE``h]j)}(hj h]hV4L2_CAP_VIDEO_OUTPUT_MPLANE}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h 0x00002000h]h 0x00002000}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hqThe device supports the :ref:`multi-planar API ` through the :ref:`Video Output ` interface.h](hThe device supports the }(hj3 hhhNhNubh)}(h%:ref:`multi-planar API `h]jV)}(hj= h]hmulti-planar API}(hj? hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj; ubah}(h]h ]h"]h$]h&]refdocj refdomainjI reftyperef refexplicitrefwarnj$ planar-apisuh1hhhhKhj3 ubh through the }(hj3 hhhNhNubh)}(h:ref:`Video Output `h]jV)}(hja h]h Video Output}(hjc hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj_ ubah}(h]h ]h"]h$]h&]refdocj refdomainjm reftyperef refexplicitrefwarnj$outputuh1hhhhKhj3 ubh interface.}(hj3 hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj0 ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_VIDEO_M2M``h]j)}(hj h]hV4L2_CAP_VIDEO_M2M}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h 0x00008000h]h 0x00008000}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hWThe device supports the single-planar API through the Video Memory-To-Memory interface.h]hWThe device supports the single-planar API through the Video Memory-To-Memory interface.}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_VIDEO_M2M_MPLANE``h]j)}(hj h]hV4L2_CAP_VIDEO_M2M_MPLANE}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h 0x00004000h]h 0x00004000}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hkThe device supports the :ref:`multi-planar API ` through the Video Memory-To-Memory interface.h](hThe device supports the }(hj) hhhNhNubh)}(h%:ref:`multi-planar API `h]jV)}(hj3 h]hmulti-planar API}(hj5 hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj1 ubah}(h]h ]h"]h$]h&]refdocj refdomainj? reftyperef refexplicitrefwarnj$ planar-apisuh1hhhhKhj) ubh. through the Video Memory-To-Memory interface.}(hj) hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj& ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_VIDEO_OVERLAY``h]j)}(hjo h]hV4L2_CAP_VIDEO_OVERLAY}(hjq hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjm ubah}(h]h ]h"]h$]h&]uh1hhhhKhjj ubah}(h]h ]h"]h$]h&]uh1jhjg ubj)}(hhh]h)}(h 0x00000004h]h 0x00000004}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhjg ubj)}(hhh]h)}(hThe device supports the :ref:`Video Overlay ` interface. A video overlay device typically stores captured images directly in the video memory of a graphics card, with hardware clipping and scaling.h](hThe device supports the }(hj hhhNhNubh)}(h:ref:`Video Overlay `h]jV)}(hj h]h Video Overlay}(hj hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj ubah}(h]h ]h"]h$]h&]refdocj refdomainj reftyperef refexplicitrefwarnj$overlayuh1hhhhKhj ubh interface. A video overlay device typically stores captured images directly in the video memory of a graphics card, with hardware clipping and scaling.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhjg ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_VBI_CAPTURE``h]j)}(hj h]hV4L2_CAP_VBI_CAPTURE}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h 0x00000010h]h 0x00000010}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hoThe device supports the :ref:`Raw VBI Capture ` interface, providing Teletext and Closed Caption data.h](hThe device supports the }(hj hhhNhNubh)}(h :ref:`Raw VBI Capture `h]jV)}(hj) h]hRaw VBI Capture}(hj+ hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj' ubah}(h]h ]h"]h$]h&]refdocj refdomainj5 reftyperef refexplicitrefwarnj$raw-vbiuh1hhhhKhj ubh7 interface, providing Teletext and Closed Caption data.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_VBI_OUTPUT``h]j)}(hje h]hV4L2_CAP_VBI_OUTPUT}(hjg hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjc ubah}(h]h ]h"]h$]h&]uh1hhhhKhj` ubah}(h]h ]h"]h$]h&]uh1jhj] ubj)}(hhh]h)}(h 0x00000020h]h 0x00000020}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj] ubj)}(hhh]h)}(hBThe device supports the :ref:`Raw VBI Output ` interface.h](hThe device supports the }(hj hhhNhNubh)}(h:ref:`Raw VBI Output `h]jV)}(hj h]hRaw VBI Output}(hj hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj ubah}(h]h ]h"]h$]h&]refdocj refdomainj reftyperef refexplicitrefwarnj$raw-vbiuh1hhhhKhj ubh interface.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj] ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_SLICED_VBI_CAPTURE``h]j)}(hj h]hV4L2_CAP_SLICED_VBI_CAPTURE}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h 0x00000040h]h 0x00000040}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(hEThe device supports the :ref:`Sliced VBI Capture ` interface.h](hThe device supports the }(hj hhhNhNubh)}(h":ref:`Sliced VBI Capture `h]jV)}(hj h]hSliced VBI Capture}(hj! hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj ubah}(h]h ]h"]h$]h&]refdocj refdomainj+ reftyperef refexplicitrefwarnj$sliceduh1hhhhKhj ubh interface.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_SLICED_VBI_OUTPUT``h]j)}(hj[ h]hV4L2_CAP_SLICED_VBI_OUTPUT}(hj] hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjY ubah}(h]h ]h"]h$]h&]uh1hhhhKhjV ubah}(h]h ]h"]h$]h&]uh1jhjS ubj)}(hhh]h)}(h 0x00000080h]h 0x00000080}(hjy hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjv ubah}(h]h ]h"]h$]h&]uh1jhjS ubj)}(hhh]h)}(hDThe device supports the :ref:`Sliced VBI Output ` interface.h](hThe device supports the }(hj hhhNhNubh)}(h!:ref:`Sliced VBI Output `h]jV)}(hj h]hSliced VBI Output}(hj hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj ubah}(h]h ]h"]h$]h&]refdocj refdomainj reftyperef refexplicitrefwarnj$sliceduh1hhhhKhj ubh interface.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhjS ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_RDS_CAPTURE``h]j)}(hj h]hV4L2_CAP_RDS_CAPTURE}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj ubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h 0x00000100h]h 0x00000100}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj ubah}(h]h ]h"]h$]h&]uh1jhj ubj)}(hhh]h)}(h;The device supports the :ref:`RDS ` capture interface.h](hThe device supports the }(hj hhhNhNubh)}(h:ref:`RDS `h]jV)}(hjh]hRDS}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainj!reftyperef refexplicitrefwarnj$rdsuh1hhhhKhj ubh capture interface.}(hj hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhj ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h!``V4L2_CAP_VIDEO_OUTPUT_OVERLAY``h]j)}(hjQh]hV4L2_CAP_VIDEO_OUTPUT_OVERLAY}(hjShhhNhNubah}(h]h ]h"]h$]h&]uh1jhjOubah}(h]h ]h"]h$]h&]uh1hhhhKhjLubah}(h]h ]h"]h$]h&]uh1jhjIubj)}(hhh]h)}(h 0x00000200h]h 0x00000200}(hjohhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjlubah}(h]h ]h"]h$]h&]uh1jhjIubj)}(hhh]h)}(hXCThe device supports the :ref:`Video Output Overlay ` (OSD) interface. Unlike the *Video Overlay* interface, this is a secondary function of video output devices and overlays an image onto an outgoing video signal. When the driver sets this flag, it must clear the ``V4L2_CAP_VIDEO_OVERLAY`` flag and vice versa. [#f1]_h](hThe device supports the }(hjhhhNhNubh)}(h!:ref:`Video Output Overlay `h]jV)}(hjh]hVideo Output Overlay}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$osduh1hhhhKhjubh (OSD) interface. Unlike the }(hjhhhNhNubhemphasis)}(h*Video Overlay*h]h Video Overlay}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh interface, this is a secondary function of video output devices and overlays an image onto an outgoing video signal. When the driver sets this flag, it must clear the }(hjhhhNhNubj)}(h``V4L2_CAP_VIDEO_OVERLAY``h]hV4L2_CAP_VIDEO_OVERLAY}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh flag and vice versa. }(hjhhhNhNubhfootnote_reference)}(h[#f1]_h]h1}(hjhhhNhNubah}(h]id1ah ]h"]h$]h&]autoKhԌf1docnamejuh1jhjresolvedKubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjIubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_HW_FREQ_SEEK``h]j)}(hjh]hV4L2_CAP_HW_FREQ_SEEK}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x00000400h]h 0x00000400}(hj%hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj"ubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hZThe device supports the :ref:`VIDIOC_S_HW_FREQ_SEEK` ioctl for hardware frequency seeking.h](hThe device supports the }(hj<hhhNhNubh)}(h:ref:`VIDIOC_S_HW_FREQ_SEEK`h]jV)}(hjFh]hVIDIOC_S_HW_FREQ_SEEK}(hjHhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjDubah}(h]h ]h"]h$]h&]refdocj refdomainjRreftyperef refexplicitrefwarnj$vidioc_s_hw_freq_seekuh1hhhhKhj<ubh& ioctl for hardware frequency seeking.}(hj<hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj9ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_RDS_OUTPUT``h]j)}(hjh]hV4L2_CAP_RDS_OUTPUT}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhj}ubah}(h]h ]h"]h$]h&]uh1jhjzubj)}(hhh]h)}(h 0x00000800h]h 0x00000800}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjzubj)}(hhh]h)}(h:The device supports the :ref:`RDS ` output interface.h](hThe device supports the }(hjhhhNhNubh)}(h:ref:`RDS `h]jV)}(hjh]hRDS}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$rdsuh1hhhhKhjubh output interface.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjzubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_TUNER``h]j)}(hjh]hV4L2_CAP_TUNER}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x00010000h]h 0x00010000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hThe device has some sort of tuner to receive RF-modulated video signals. For more information about tuner programming see :ref:`tuner`.h](hzThe device has some sort of tuner to receive RF-modulated video signals. For more information about tuner programming see }(hj2hhhNhNubh)}(h :ref:`tuner`h]jV)}(hj<h]htuner}(hj>hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj:ubah}(h]h ]h"]h$]h&]refdocj refdomainjHreftyperef refexplicitrefwarnj$tuneruh1hhhhKhj2ubh.}(hj2hhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj/ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_AUDIO``h]j)}(hjxh]hV4L2_CAP_AUDIO}(hjzhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjvubah}(h]h ]h"]h$]h&]uh1hhhhKhjsubah}(h]h ]h"]h$]h&]uh1jhjpubj)}(hhh]h)}(h 0x00020000h]h 0x00020000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjpubj)}(hhh]h)}(hThe device has audio inputs or outputs. It may or may not support audio recording or playback, in PCM or compressed formats. PCM audio support must be implemented as ALSA or OSS interface. For more information on audio inputs and outputs see :ref:`audio`.h](hThe device has audio inputs or outputs. It may or may not support audio recording or playback, in PCM or compressed formats. PCM audio support must be implemented as ALSA or OSS interface. For more information on audio inputs and outputs see }(hjhhhNhNubh)}(h :ref:`audio`h]jV)}(hjh]haudio}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$audiouh1hhhhKhjubh.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjpubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_RADIO``h]j)}(hjh]hV4L2_CAP_RADIO}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x00040000h]h 0x00040000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hThis is a radio receiver.h]hThis is a radio receiver.}(hj(hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj%ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_MODULATOR``h]j)}(hjJh]hV4L2_CAP_MODULATOR}(hjLhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjHubah}(h]h ]h"]h$]h&]uh1hhhhKhjEubah}(h]h ]h"]h$]h&]uh1jhjBubj)}(hhh]h)}(h 0x00080000h]h 0x00080000}(hjhhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjeubah}(h]h ]h"]h$]h&]uh1jhjBubj)}(hhh]h)}(hThe device has some sort of modulator to emit RF-modulated video/audio signals. For more information about modulator programming see :ref:`tuner`.h](hThe device has some sort of modulator to emit RF-modulated video/audio signals. For more information about modulator programming see }(hjhhhNhNubh)}(h :ref:`tuner`h]jV)}(hjh]htuner}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$tuneruh1hhhhKhjubh.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhj|ubah}(h]h ]h"]h$]h&]uh1jhjBubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_SDR_CAPTURE``h]j)}(hjh]hV4L2_CAP_SDR_CAPTURE}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x00100000h]h 0x00100000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h;The device supports the :ref:`SDR Capture ` interface.h](hThe device supports the }(hjhhhNhNubh)}(h:ref:`SDR Capture `h]jV)}(hjh]h SDR Capture}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$sdruh1hhhhKhjubh interface.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_EXT_PIX_FORMAT``h]j)}(hj@h]hV4L2_CAP_EXT_PIX_FORMAT}(hjBhhhNhNubah}(h]h ]h"]h$]h&]uh1jhj>ubah}(h]h ]h"]h$]h&]uh1hhhhKhj;ubah}(h]h ]h"]h$]h&]uh1jhj8ubj)}(hhh]h)}(h 0x00200000h]h 0x00200000}(hj^hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhj[ubah}(h]h ]h"]h$]h&]uh1jhj8ubj)}(hhh]h)}(hIThe device supports the struct :c:type:`v4l2_pix_format` extended fields.h](hThe device supports the struct }(hjuhhhNhNubh)}(h:c:type:`v4l2_pix_format`h]j)}(hjh]hv4l2_pix_format}(hjhhhNhNubah}(h]h ](jjc-typeeh"]h$]h&]uh1jhj}ubah}(h]h ]h"]h$]h&]refdocj refdomainjreftypetype refexplicitrefwarnjjj$v4l2_pix_formatuh1hhhhKhjuubh extended fields.}(hjuhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjrubah}(h]h ]h"]h$]h&]uh1jhj8ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_SDR_OUTPUT``h]j)}(hjh]hV4L2_CAP_SDR_OUTPUT}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x00400000h]h 0x00400000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h:The device supports the :ref:`SDR Output ` interface.h](hThe device supports the }(hjhhhNhNubh)}(h:ref:`SDR Output `h]jV)}(hjh]h SDR Output}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$sdruh1hhhhKhjubh interface.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_META_CAPTURE``h]j)}(hj5h]hV4L2_CAP_META_CAPTURE}(hj7hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj3ubah}(h]h ]h"]h$]h&]uh1hhhhKhj0ubah}(h]h ]h"]h$]h&]uh1jhj-ubj)}(hhh]h)}(h 0x00800000h]h 0x00800000}(hjShhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjPubah}(h]h ]h"]h$]h&]uh1jhj-ubj)}(hhh]h)}(h:The device supports the :ref:`metadata` capture interface.h](hThe device supports the }(hjjhhhNhNubh)}(h:ref:`metadata`h]jV)}(hjth]hmetadata}(hjvhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjrubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$metadatauh1hhhhKhjjubh capture interface.}(hjjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjgubah}(h]h ]h"]h$]h&]uh1jhj-ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_READWRITE``h]j)}(hjh]hV4L2_CAP_READWRITE}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x01000000h]h 0x01000000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hNThe device supports the :c:func:`read()` and/or :c:func:`write()` I/O methods.h](hThe device supports the }(hjhhhNhNubh)}(h:c:func:`read()`h]j)}(hjh]hread()}(hjhhhNhNubah}(h]h ](jjc-funceh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftypefunc refexplicitrefwarnjjj$readuh1hhhhKhjubh and/or }(hjhhhNhNubh)}(h:c:func:`write()`h]j)}(hjh]hwrite()}(hjhhhNhNubah}(h]h ](jjc-funceh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftypefunc refexplicitrefwarnjjj$writeuh1hhhhKhjubh I/O methods.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_EDID``h]j)}(hjMh]h V4L2_CAP_EDID}(hjOhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjKubah}(h]h ]h"]h$]h&]uh1hhhhKhjHubah}(h]h ]h"]h$]h&]uh1jhjEubj)}(hhh]h)}(h 0x02000000h]h 0x02000000}(hjkhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjhubah}(h]h ]h"]h$]h&]uh1jhjEubj)}(hhh](h)}(hThe device stores the EDID for a video input, or retrieves the EDID for a video output. It is a standalone EDID device, so no video streaming etc. will take place.h]hThe device stores the EDID for a video input, or retrieves the EDID for a video output. It is a standalone EDID device, so no video streaming etc. will take place.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhKhjubh)}(hFor a video input this is typically an eeprom that supports the :ref:`VESA Enhanced Display Data Channel Standard `. It can be something else as well, for example a micro controller.h](h@For a video input this is typically an eeprom that supports the }(hjhhhNhNubh)}(h=:ref:`VESA Enhanced Display Data Channel Standard `h]jV)}(hjh]h+VESA Enhanced Display Data Channel Standard}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$vesaeddcuh1hhhhKhjubhC. It can be something else as well, for example a micro controller.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhKhjubh)}(huFor a video output this is typically read from an external device such as an HDMI splitter accessed by a serial port.h]huFor a video output this is typically read from an external device such as an HDMI splitter accessed by a serial port.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubeh}(h]h ]h"]h$]h&]uh1jhjEubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_STREAMING``h]j)}(hjh]hV4L2_CAP_STREAMING}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x04000000h]h 0x04000000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h;The device supports the :ref:`streaming ` I/O method.h](hThe device supports the }(hjhhhNhNubh)}(h:ref:`streaming `h]jV)}(hj#h]h streaming}(hj%hhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj!ubah}(h]h ]h"]h$]h&]refdocj refdomainj/reftyperef refexplicitrefwarnj$mmapuh1hhhhMhjubh I/O method.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_META_OUTPUT``h]j)}(hj_h]hV4L2_CAP_META_OUTPUT}(hjahhhNhNubah}(h]h ]h"]h$]h&]uh1jhj]ubah}(h]h ]h"]h$]h&]uh1hhhhMhjZubah}(h]h ]h"]h$]h&]uh1jhjWubj)}(hhh]h)}(h 0x08000000h]h 0x08000000}(hj}hhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjzubah}(h]h ]h"]h$]h&]uh1jhjWubj)}(hhh]h)}(h9The device supports the :ref:`metadata` output interface.h](hThe device supports the }(hjhhhNhNubh)}(h:ref:`metadata`h]jV)}(hjh]hmetadata}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$metadatauh1hhhhMhjubh output interface.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjWubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_TOUCH``h]j)}(hjh]hV4L2_CAP_TOUCH}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x10000000h]h 0x10000000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM hjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hThis is a touch device.h]hThis is a touch device.}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM hj ubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_IO_MC``h]j)}(hj1h]hV4L2_CAP_IO_MC}(hj3hhhNhNubah}(h]h ]h"]h$]h&]uh1jhj/ubah}(h]h ]h"]h$]h&]uh1hhhhM hj,ubah}(h]h ]h"]h$]h&]uh1jhj)ubj)}(hhh]h)}(h 0x20000000h]h 0x20000000}(hjOhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhM hjLubah}(h]h ]h"]h$]h&]uh1jhj)ubj)}(hhh]h)}(hThere is only one input and/or output seen from userspace. The whole video topology configuration, including which I/O entity is routed to the input/output, is configured by userspace via the Media Controller. See :ref:`media_controller`.h](hThere is only one input and/or output seen from userspace. The whole video topology configuration, including which I/O entity is routed to the input/output, is configured by userspace via the Media Controller. See }(hjfhhhNhNubh)}(h:ref:`media_controller`h]jV)}(hjph]hmedia_controller}(hjrhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhjnubah}(h]h ]h"]h$]h&]refdocj refdomainj|reftyperef refexplicitrefwarnj$media_controlleruh1hhhhM hjfubh.}(hjfhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhM hjcubah}(h]h ]h"]h$]h&]uh1jhj)ubeh}(h]h ]h"]h$]h&]uh1jhj^ubj)}(hhh](j)}(hhh]h)}(h``V4L2_CAP_DEVICE_CAPS``h]j)}(hjh]hV4L2_CAP_DEVICE_CAPS}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(h 0x80000000h]h 0x80000000}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubj)}(hhh]h)}(hThe driver fills the ``device_caps`` field. This capability can only appear in the ``capabilities`` field and never in the ``device_caps`` field.h](hThe driver fills the }(hjhhhNhNubj)}(h``device_caps``h]h device_caps}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh/ field. This capability can only appear in the }(hjhhhNhNubj)}(h``capabilities``h]h capabilities}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh field and never in the }(hjhhhNhNubj)}(h``device_caps``h]h device_caps}(hj hhhNhNubah}(h]h ]h"]h$]h&]uh1jhjubh field.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhjubah}(h]h ]h"]h$]h&]uh1jhjubeh}(h]h ]h"]h$]h&]uh1jhj^ubeh}(h]h ]h"]h$]h&]uh1jhj=ubeh}(h]h ]h"]h$]h&]colsKuh1jhj,ubeh}(h](id3j+eh ] longtableah"]device-capabilitiesah$]h&]uh1jhjhhhNhNexpect_referenced_by_name}jDj!sexpect_referenced_by_id}j+j!subeh}(h] descriptionah ]h"] descriptionah$]h&]uh1hhhhhhhhK ubh)}(hhh](h)}(h Return Valueh]h Return Value}(hjVhhhNhNubah}(h]h ]h"]h$]h&]uh1hhjShhhhhMubh)}(hOn success 0 is returned, on error -1 and the ``errno`` variable is set appropriately. The generic error codes are described at the :ref:`Generic Error Codes ` chapter.h](h.On success 0 is returned, on error -1 and the }(hjdhhhNhNubj)}(h ``errno``h]herrno}(hjlhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjdubhM variable is set appropriately. The generic error codes are described at the }(hjdhhhNhNubh)}(h':ref:`Generic Error Codes `h]jV)}(hjh]hGeneric Error Codes}(hjhhhNhNubah}(h]h ](jstdstd-refeh"]h$]h&]uh1jUhj~ubah}(h]h ]h"]h$]h&]refdocj refdomainjreftyperef refexplicitrefwarnj$ gen-errorsuh1hhhhMhjdubh chapter.}(hjdhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhjShhubhfootnote)}(hThe struct :c:type:`v4l2_framebuffer` lacks an enum :c:type:`v4l2_buf_type` field, therefore the type of overlay is implied by the driver capabilities.h](hlabel)}(hhh]h1}(hjhhhNhNubah}(h]h ]h"]h$]h&]uh1jhjhhhNhNubh)}(hThe struct :c:type:`v4l2_framebuffer` lacks an enum :c:type:`v4l2_buf_type` field, therefore the type of overlay is implied by the driver capabilities.h](h The struct }(hjhhhNhNubh)}(h:c:type:`v4l2_framebuffer`h]j)}(hjh]hv4l2_framebuffer}(hjhhhNhNubah}(h]h ](jjc-typeeh"]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftypetype refexplicitrefwarnjjj$v4l2_framebufferuh1hhhhMhjubh lacks an enum }(hjhhhNhNubh)}(h:c:type:`v4l2_buf_type`h]j)}(hjh]h v4l2_buf_type}(hjhhhNhNubah}(h]h ](jjc-typeeh"j ]h$]h&]uh1jhjubah}(h]h ]h"]h$]h&]refdocj refdomainjreftypetype refexplicitrefwarnjjj$ v4l2_buf_typeuh1hhhhMhjubhL field, therefore the type of overlay is implied by the driver capabilities.}(hjhhhNhNubeh}(h]h ]h"]h$]h&]uh1hhhhMhjubeh}(h]jah ]h"]f1ah$]h&]jajKjjuh1jhhhMhjShhubeh}(h] return-valueah ]h"] return valueah$]h&]uh1hhhhhhhhMubeh}(h](ioctl-vidioc-querycapheh ]h"](ioctl vidioc_querycapvidioc_querycapeh$]h&]uh1hhhhhhhhKjG}j&hsjI}hhsubeh}(h]h ]h"]h$]h&]sourcehuh1hcurrent_sourceN current_lineNsettingsdocutils.frontendValues)}(hN generatorN datestampN source_linkN source_urlN toc_backlinksjfootnote_backlinksK sectnum_xformKstrip_commentsNstrip_elements_with_classesN strip_classesN report_levelK halt_levelKexit_status_levelKdebugNwarning_streamN tracebackinput_encoding utf-8-siginput_encoding_error_handlerstrictoutput_encodingutf-8output_encoding_error_handlerjMerror_encodingutf-8error_encoding_error_handlerbackslashreplace language_codeenrecord_dependenciesNconfigN id_prefixhauto_id_prefixid dump_settingsNdump_internalsNdump_transformsNdump_pseudo_xmlNexpose_internalsNstrict_visitorN_disable_configN_sourcehnj _destinationN _config_files]7/var/lib/git/docbuild/linux/Documentation/docutils.confafile_insertion_enabled raw_enabledKline_length_limitM'pep_referencesN pep_base_urlhttps://peps.python.org/pep_file_url_templatepep-%04drfc_referencesN rfc_base_url&https://datatracker.ietf.org/doc/html/ tab_widthKtrim_footnote_reference_spacesyntax_highlightlong smart_quotessmartquotes_locales]character_level_inline_markupdoctitle_xform docinfo_xformKsectsubtitle_xform image_loadinglinkembed_stylesheetcloak_email_addressessection_self_linkenvNubreporterNindirect_targets]substitution_defs}substitution_names}refnames}f1]jasrefids}(h]haj+]j!aj]jaunameids}(j&hj%j"jjjjjjjPjMjDj+jjjju nametypes}(j&j%jjjjPjDjjuh}(hhj"hjhjjj4j=jjjMjjjj+j,jjjjSjjjjj@j,u footnote_refs}j]jas citation_refs} autofootnotes]jaautofootnote_refs]jasymbol_footnotes]symbol_footnote_refs] footnotes] citations]autofootnote_startKsymbol_footnote_startK id_counter collectionsCounter}j[KsRparse_messages]transform_messages](hsystem_message)}(hhh]h)}(hhh]h5Hyperlink target "vidioc-querycap" is not referenced.}hjsbah}(h]h ]h"]h$]h&]uh1hhjubah}(h]h ]h"]h$]h&]levelKtypeINFOsourcehnjlineKuh1jubj)}(hhh]h)}(hhh]h9Hyperlink target "device-capabilities" is not referenced.}hjsbah}(h]h ]h"]h$]h&]uh1hhjubah}(h]h ]h"]h$]h&]levelKtypejsourcehnjlineKuh1jube transformerN include_log] decorationNhhub.