diff options
Diffstat (limited to 'Documentation/DocBook/media/v4l/v4l2.xml')
| -rw-r--r-- | Documentation/DocBook/media/v4l/v4l2.xml | 728 |
1 files changed, 0 insertions, 728 deletions
diff --git a/Documentation/DocBook/media/v4l/v4l2.xml b/Documentation/DocBook/media/v4l/v4l2.xml deleted file mode 100644 index 42e626d6c936..000000000000 --- a/Documentation/DocBook/media/v4l/v4l2.xml +++ /dev/null @@ -1,728 +0,0 @@ - <partinfo> - <authorgroup> - <author> - <firstname>Michael</firstname> - <surname>Schimek</surname> - <othername role="mi">H</othername> - <affiliation> - <address> - <email>mschimek@gmx.at</email> - </address> - </affiliation> - </author> - - <author> - <firstname>Bill</firstname> - <surname>Dirks</surname> - <!-- Commented until Bill opts in to be spammed. - <affiliation> - <address> - <email>bill@thedirks.org</email> - </address> - </affiliation> --> - <contrib>Original author of the V4L2 API and -documentation.</contrib> - </author> - - <author> - <firstname>Hans</firstname> - <surname>Verkuil</surname> - <contrib>Designed and documented the VIDIOC_LOG_STATUS ioctl, -the extended control ioctls, major parts of the sliced VBI API, the -MPEG encoder and decoder APIs and the DV Timings API.</contrib> - <affiliation> - <address> - <email>hverkuil@xs4all.nl</email> - </address> - </affiliation> - </author> - - <author> - <firstname>Martin</firstname> - <surname>Rubli</surname> - <!-- - <affiliation> - <address> - <email>martin_rubli@logitech.com</email> - </address> - </affiliation> --> - <contrib>Designed and documented the VIDIOC_ENUM_FRAMESIZES -and VIDIOC_ENUM_FRAMEINTERVALS ioctls.</contrib> - </author> - - <author> - <firstname>Andy</firstname> - <surname>Walls</surname> - <contrib>Documented the fielded V4L2_MPEG_STREAM_VBI_FMT_IVTV -MPEG stream embedded, sliced VBI data format in this specification. -</contrib> - <affiliation> - <address> - <email>awalls@md.metrocast.net</email> - </address> - </affiliation> - </author> - - <author> - <firstname>Mauro</firstname> - <surname>Carvalho Chehab</surname> - <contrib>Documented libv4l, designed and added v4l2grab example, -Remote Controller chapter.</contrib> - <affiliation> - <address> - <email>m.chehab@samsung.com</email> - </address> - </affiliation> - </author> - - <author> - <firstname>Muralidharan</firstname> - <surname>Karicheri</surname> - <contrib>Documented the Digital Video timings API.</contrib> - <affiliation> - <address> - <email>m-karicheri2@ti.com</email> - </address> - </affiliation> - </author> - - <author> - <firstname>Pawel</firstname> - <surname>Osciak</surname> - <contrib>Designed and documented the multi-planar API.</contrib> - <affiliation> - <address> - <email>pawel AT osciak.com</email> - </address> - </affiliation> - </author> - - <author> - <firstname>Sakari</firstname> - <surname>Ailus</surname> - <contrib>Subdev selections API.</contrib> - <affiliation> - <address> - <email>sakari.ailus@iki.fi</email> - </address> - </affiliation> - </author> - <author> - <firstname>Antti</firstname> - <surname>Palosaari</surname> - <contrib>SDR API.</contrib> - <affiliation> - <address> - <email>crope@iki.fi</email> - </address> - </affiliation> - </author> - </authorgroup> - - <copyright> - <year>1999</year> - <year>2000</year> - <year>2001</year> - <year>2002</year> - <year>2003</year> - <year>2004</year> - <year>2005</year> - <year>2006</year> - <year>2007</year> - <year>2008</year> - <year>2009</year> - <year>2010</year> - <year>2011</year> - <year>2012</year> - <year>2013</year> - <year>2014</year> - <year>2015</year> - <holder>Bill Dirks, Michael H. Schimek, Hans Verkuil, Martin -Rubli, Andy Walls, Muralidharan Karicheri, Mauro Carvalho Chehab, - Pawel Osciak</holder> - </copyright> - <legalnotice> - <para>Except when explicitly stated as GPL, programming examples within - this part can be used and distributed without restrictions.</para> - </legalnotice> - <revhistory> - <!-- Put document revisions here, newest first. --> - <!-- API revisions (changes and additions of defines, enums, -structs, ioctls) must be noted in more detail in the history chapter -(compat.xml), along with the possible impact on existing drivers and -applications. --> - <revision> - <revnumber>4.5</revnumber> - <date>2015-10-29</date> - <authorinitials>rr</authorinitials> - <revremark>Extend vidioc-g-ext-ctrls;. Replace ctrl_class with a new -union with ctrl_class and which. Which is used to select the current value of -the control or the default value. - </revremark> - </revision> - - <revision> - <revnumber>4.4</revnumber> - <date>2015-05-26</date> - <authorinitials>ap</authorinitials> - <revremark>Renamed V4L2_TUNER_ADC to V4L2_TUNER_SDR. -Added V4L2_CID_RF_TUNER_RF_GAIN control. -Added transmitter support for Software Defined Radio (SDR) Interface. - </revremark> - </revision> - - <revision> - <revnumber>4.1</revnumber> - <date>2015-02-13</date> - <authorinitials>mcc</authorinitials> - <revremark>Fix documentation for media controller device nodes and add support for DVB device nodes. -Add support for Tuner sub-device. - </revremark> - </revision> - <revision> - <revnumber>3.19</revnumber> - <date>2014-12-05</date> - <authorinitials>hv</authorinitials> - <revremark>Rewrote Colorspace chapter, added new &v4l2-ycbcr-encoding; and &v4l2-quantization; fields -to &v4l2-pix-format;, &v4l2-pix-format-mplane; and &v4l2-mbus-framefmt;. - </revremark> - </revision> - - <revision> - <revnumber>3.17</revnumber> - <date>2014-08-04</date> - <authorinitials>lp, hv</authorinitials> - <revremark>Extended &v4l2-pix-format;. Added format flags. Added compound control types -and VIDIOC_QUERY_EXT_CTRL. - </revremark> - </revision> - - <revision> - <revnumber>3.15</revnumber> - <date>2014-02-03</date> - <authorinitials>hv, ap</authorinitials> - <revremark>Update several sections of "Common API Elements": "Opening and Closing Devices" -"Querying Capabilities", "Application Priority", "Video Inputs and Outputs", "Audio Inputs and Outputs" -"Tuners and Modulators", "Video Standards" and "Digital Video (DV) Timings". Added SDR API. - </revremark> - </revision> - - <revision> - <revnumber>3.14</revnumber> - <date>2013-11-25</date> - <authorinitials>rr</authorinitials> - <revremark>Set width and height as unsigned on v4l2_rect. - </revremark> - </revision> - - <revision> - <revnumber>3.11</revnumber> - <date>2013-05-26</date> - <authorinitials>hv</authorinitials> - <revremark>Remove obsolete VIDIOC_DBG_G_CHIP_IDENT ioctl. - </revremark> - </revision> - - <revision> - <revnumber>3.10</revnumber> - <date>2013-03-25</date> - <authorinitials>hv</authorinitials> - <revremark>Remove obsolete and unused DV_PRESET ioctls: - VIDIOC_G_DV_PRESET, VIDIOC_S_DV_PRESET, VIDIOC_QUERY_DV_PRESET and - VIDIOC_ENUM_DV_PRESET. Remove the related v4l2_input/output capability - flags V4L2_IN_CAP_PRESETS and V4L2_OUT_CAP_PRESETS. Added VIDIOC_DBG_G_CHIP_INFO. - </revremark> - </revision> - - <revision> - <revnumber>3.9</revnumber> - <date>2012-12-03</date> - <authorinitials>sa, sn</authorinitials> - <revremark>Added timestamp types to v4l2_buffer. - Added V4L2_EVENT_CTRL_CH_RANGE control event changes flag. - </revremark> - </revision> - - <revision> - <revnumber>3.6</revnumber> - <date>2012-07-02</date> - <authorinitials>hv</authorinitials> - <revremark>Added VIDIOC_ENUM_FREQ_BANDS. - </revremark> - </revision> - - <revision> - <revnumber>3.5</revnumber> - <date>2012-05-07</date> - <authorinitials>sa, sn, hv</authorinitials> - <revremark>Added V4L2_CTRL_TYPE_INTEGER_MENU and V4L2 subdev - selections API. Improved the description of V4L2_CID_COLORFX - control, added V4L2_CID_COLORFX_CBCR control. - Added camera controls V4L2_CID_AUTO_EXPOSURE_BIAS, - V4L2_CID_AUTO_N_PRESET_WHITE_BALANCE, V4L2_CID_IMAGE_STABILIZATION, - V4L2_CID_ISO_SENSITIVITY, V4L2_CID_ISO_SENSITIVITY_AUTO, - V4L2_CID_EXPOSURE_METERING, V4L2_CID_SCENE_MODE, - V4L2_CID_3A_LOCK, V4L2_CID_AUTO_FOCUS_START, - V4L2_CID_AUTO_FOCUS_STOP, V4L2_CID_AUTO_FOCUS_STATUS - and V4L2_CID_AUTO_FOCUS_RANGE. - Added VIDIOC_ENUM_DV_TIMINGS, VIDIOC_QUERY_DV_TIMINGS and - VIDIOC_DV_TIMINGS_CAP. - </revremark> - </revision> - - <revision> - <revnumber>3.4</revnumber> - <date>2012-01-25</date> - <authorinitials>sn</authorinitials> - <revremark>Added <link linkend="jpeg-controls">JPEG compression - control class.</link> - </revremark> - </revision> - - <revision> - <revnumber>3.3</revnumber> - <date>2012-01-11</date> - <authorinitials>hv</authorinitials> - <revremark>Added device_caps field to struct v4l2_capabilities.</revremark> - </revision> - - <revision> - <revnumber>3.2</revnumber> - <date>2011-08-26</date> - <authorinitials>hv</authorinitials> - <revremark>Added V4L2_CTRL_FLAG_VOLATILE.</revremark> - </revision> - - <revision> - <revnumber>3.1</revnumber> - <date>2011-06-27</date> - <authorinitials>mcc, po, hv</authorinitials> - <revremark>Documented that VIDIOC_QUERYCAP now returns a per-subsystem version instead of a per-driver one. - Standardize an error code for invalid ioctl. - Added V4L2_CTRL_TYPE_BITMASK.</revremark> - </revision> - - <revision> - <revnumber>2.6.39</revnumber> - <date>2011-03-01</date> - <authorinitials>mcc, po</authorinitials> - <revremark>Removed VIDIOC_*_OLD from videodev2.h header and update it to reflect latest changes. Added the <link linkend="planar-apis">multi-planar API</link>.</revremark> - </revision> - - <revision> - <revnumber>2.6.37</revnumber> - <date>2010-08-06</date> - <authorinitials>hv</authorinitials> - <revremark>Removed obsolete vtx (videotext) API.</revremark> - </revision> - - <revision> - <revnumber>2.6.33</revnumber> - <date>2009-12-03</date> - <authorinitials>mk</authorinitials> - <revremark>Added documentation for the Digital Video timings API.</revremark> - </revision> - - <revision> - <revnumber>2.6.32</revnumber> - <date>2009-08-31</date> - <authorinitials>mcc</authorinitials> - <revremark>Now, revisions will match the kernel version where -the V4L2 API changes will be used by the Linux Kernel. -Also added Remote Controller chapter.</revremark> - </revision> - - <revision> - <revnumber>0.29</revnumber> - <date>2009-08-26</date> - <authorinitials>ev</authorinitials> - <revremark>Added documentation for string controls and for FM Transmitter controls.</revremark> - </revision> - - <revision> - <revnumber>0.28</revnumber> - <date>2009-08-26</date> - <authorinitials>gl</authorinitials> - <revremark>Added V4L2_CID_BAND_STOP_FILTER documentation.</revremark> - </revision> - - <revision> - <revnumber>0.27</revnumber> - <date>2009-08-15</date> - <authorinitials>mcc</authorinitials> - <revremark>Added libv4l and Remote Controller documentation; -added v4l2grab and keytable application examples.</revremark> - </revision> - - <revision> - <revnumber>0.26</revnumber> - <date>2009-07-23</date> - <authorinitials>hv</authorinitials> - <revremark>Finalized the RDS capture API. Added modulator and RDS encoder -capabilities. Added support for string controls.</revremark> - </revision> - - <revision> - <revnumber>0.25</revnumber> - <date>2009-01-18</date> - <authorinitials>hv</authorinitials> - <revremark>Added pixel formats VYUY, NV16 and NV61, and changed -the debug ioctls VIDIOC_DBG_G/S_REGISTER and VIDIOC_DBG_G_CHIP_IDENT. -Added camera controls V4L2_CID_ZOOM_ABSOLUTE, V4L2_CID_ZOOM_RELATIVE, -V4L2_CID_ZOOM_CONTINUOUS and V4L2_CID_PRIVACY.</revremark> - </revision> - - <revision> - <revnumber>0.24</revnumber> - <date>2008-03-04</date> - <authorinitials>mhs</authorinitials> - <revremark>Added pixel formats Y16 and SBGGR16, new controls -and a camera controls class. Removed VIDIOC_G/S_MPEGCOMP.</revremark> - </revision> - - <revision> - <revnumber>0.23</revnumber> - <date>2007-08-30</date> - <authorinitials>mhs</authorinitials> - <revremark>Fixed a typo in VIDIOC_DBG_G/S_REGISTER. -Clarified the byte order of packed pixel formats.</revremark> - </revision> - - <revision> - <revnumber>0.22</revnumber> - <date>2007-08-29</date> - <authorinitials>mhs</authorinitials> - <revremark>Added the Video Output Overlay interface, new MPEG -controls, V4L2_FIELD_INTERLACED_TB and V4L2_FIELD_INTERLACED_BT, -VIDIOC_DBG_G/S_REGISTER, VIDIOC_(TRY_)ENCODER_CMD, -VIDIOC_G_CHIP_IDENT, VIDIOC_G_ENC_INDEX, new pixel formats. -Clarifications in the cropping chapter, about RGB pixel formats, the -mmap(), poll(), select(), read() and write() functions. Typographical -fixes.</revremark> - </revision> - - <revision> - <revnumber>0.21</revnumber> - <date>2006-12-19</date> - <authorinitials>mhs</authorinitials> - <revremark>Fixed a link in the VIDIOC_G_EXT_CTRLS section.</revremark> - </revision> - - <revision> - <revnumber>0.20</revnumber> - <date>2006-11-24</date> - <authorinitials>mhs</authorinitials> - <revremark>Clarified the purpose of the audioset field in -struct v4l2_input and v4l2_output.</revremark> - </revision> - - <revision> - <revnumber>0.19</revnumber> - <date>2006-10-19</date> - <authorinitials>mhs</authorinitials> - <revremark>Documented V4L2_PIX_FMT_RGB444.</revremark> - </revision> - - <revision> - <revnumber>0.18</revnumber> - <date>2006-10-18</date> - <authorinitials>mhs</authorinitials> - <revremark>Added the description of extended controls by Hans -Verkuil. Linked V4L2_PIX_FMT_MPEG to V4L2_CID_MPEG_STREAM_TYPE.</revremark> - </revision> - - <revision> - <revnumber>0.17</revnumber> - <date>2006-10-12</date> - <authorinitials>mhs</authorinitials> - <revremark>Corrected V4L2_PIX_FMT_HM12 description.</revremark> - </revision> - - <revision> - <revnumber>0.16</revnumber> - <date>2006-10-08</date> - <authorinitials>mhs</authorinitials> - <revremark>VIDIOC_ENUM_FRAMESIZES and -VIDIOC_ENUM_FRAMEINTERVALS are now part of the API.</revremark> - </revision> - - <revision> - <revnumber>0.15</revnumber> - <date>2006-09-23</date> - <authorinitials>mhs</authorinitials> - <revremark>Cleaned up the bibliography, added BT.653 and -BT.1119. capture.c/start_capturing() for user pointer I/O did not -initialize the buffer index. Documented the V4L MPEG and MJPEG -VID_TYPEs and V4L2_PIX_FMT_SBGGR8. Updated the list of reserved pixel -formats. See the history chapter for API changes.</revremark> - </revision> - - <revision> - <revnumber>0.14</revnumber> - <date>2006-09-14</date> - <authorinitials>mr</authorinitials> - <revremark>Added VIDIOC_ENUM_FRAMESIZES and -VIDIOC_ENUM_FRAMEINTERVALS proposal for frame format enumeration of -digital devices.</revremark> - </revision> - - <revision> - <revnumber>0.13</revnumber> - <date>2006-04-07</date> - <authorinitials>mhs</authorinitials> - <revremark>Corrected the description of struct v4l2_window -clips. New V4L2_STD_ and V4L2_TUNER_MODE_LANG1_LANG2 -defines.</revremark> - </revision> - - <revision> - <revnumber>0.12</revnumber> - <date>2006-02-03</date> - <authorinitials>mhs</authorinitials> - <revremark>Corrected the description of struct -v4l2_captureparm and v4l2_outputparm.</revremark> - </revision> - - <revision> - <revnumber>0.11</revnumber> - <date>2006-01-27</date> - <authorinitials>mhs</authorinitials> - <revremark>Improved the description of struct -v4l2_tuner.</revremark> - </revision> - - <revision> - <revnumber>0.10</revnumber> - <date>2006-01-10</date> - <authorinitials>mhs</authorinitials> - <revremark>VIDIOC_G_INPUT and VIDIOC_S_PARM -clarifications.</revremark> - </revision> - - <revision> - <revnumber>0.9</revnumber> - <date>2005-11-27</date> - <authorinitials>mhs</authorinitials> - <revremark>Improved the 525 line numbering diagram. Hans -Verkuil and I rewrote the sliced VBI section. He also contributed a -VIDIOC_LOG_STATUS page. Fixed VIDIOC_S_STD call in the video standard -selection example. Various updates.</revremark> - </revision> - - <revision> - <revnumber>0.8</revnumber> - <date>2004-10-04</date> - <authorinitials>mhs</authorinitials> - <revremark>Somehow a piece of junk slipped into the capture -example, removed.</revremark> - </revision> - - <revision> - <revnumber>0.7</revnumber> - <date>2004-09-19</date> - <authorinitials>mhs</authorinitials> - <revremark>Fixed video standard selection, control -enumeration, downscaling and aspect example. Added read and user -pointer i/o to video capture example.</revremark> - </revision> - - <revision> - <revnumber>0.6</revnumber> - <date>2004-08-01</date> - <authorinitials>mhs</authorinitials> - <revremark>v4l2_buffer changes, added video capture example, -various corrections.</revremark> - </revision> - - <revision> - <revnumber>0.5</revnumber> - <date>2003-11-05</date> - <authorinitials>mhs</authorinitials> - <revremark>Pixel format erratum.</revremark> - </revision> - - <revision> - <revnumber>0.4</revnumber> - <date>2003-09-17</date> - <authorinitials>mhs</authorinitials> - <revremark>Corrected source and Makefile to generate a PDF. -SGML fixes. Added latest API changes. Closed gaps in the history -chapter.</revremark> - </revision> - - <revision> - <revnumber>0.3</revnumber> - <date>2003-02-05</date> - <authorinitials>mhs</authorinitials> - <revremark>Another draft, more corrections.</revremark> - </revision> - - <revision> - <revnumber>0.2</revnumber> - <date>2003-01-15</date> - <authorinitials>mhs</authorinitials> - <revremark>Second draft, with corrections pointed out by Gerd -Knorr.</revremark> - </revision> - - <revision> - <revnumber>0.1</revnumber> - <date>2002-12-01</date> - <authorinitials>mhs</authorinitials> - <revremark>First draft, based on documentation by Bill Dirks -and discussions on the V4L mailing list.</revremark> - </revision> - </revhistory> -</partinfo> - -<title>Video for Linux Two API Specification</title> - <subtitle>Revision 4.4</subtitle> - - <chapter id="common"> - &sub-common; - </chapter> - - <chapter id="pixfmt"> - &sub-pixfmt; - </chapter> - - <chapter id="io"> - &sub-io; - </chapter> - - <chapter id="devices"> - <title>Interfaces</title> - - <section id="capture"> &sub-dev-capture; </section> - <section id="overlay"> &sub-dev-overlay; </section> - <section id="output"> &sub-dev-output; </section> - <section id="osd"> &sub-dev-osd; </section> - <section id="codec"> &sub-dev-codec; </section> - <section id="effect"> &sub-dev-effect; </section> - <section id="raw-vbi"> &sub-dev-raw-vbi; </section> - <section id="sliced"> &sub-dev-sliced-vbi; </section> - <section id="ttx"> &sub-dev-teletext; </section> - <section id="radio"> &sub-dev-radio; </section> - <section id="rds"> &sub-dev-rds; </section> - <section id="sdr"> &sub-dev-sdr; </section> - <section id="event"> &sub-dev-event; </section> - <section id="subdev"> &sub-dev-subdev; </section> - </chapter> - - <chapter id="driver"> - &sub-driver; - </chapter> - - <chapter id="libv4l"> - &sub-libv4l; - </chapter> - - <chapter id="compat"> - &sub-compat; - </chapter> - - <appendix id="user-func"> - <title>Function Reference</title> - - <!-- Keep this alphabetically sorted. --> - - &sub-close; - &sub-ioctl; - <!-- All ioctls go here. --> - &sub-create-bufs; - &sub-cropcap; - &sub-dbg-g-chip-info; - &sub-dbg-g-register; - &sub-decoder-cmd; - &sub-dqevent; - &sub-dv-timings-cap; - &sub-encoder-cmd; - &sub-enumaudio; - &sub-enumaudioout; - &sub-enum-dv-timings; - &sub-enum-fmt; - &sub-enum-framesizes; - &sub-enum-frameintervals; - &sub-enum-freq-bands; - &sub-enuminput; - &sub-enumoutput; - &sub-enumstd; - &sub-expbuf; - &sub-g-audio; - &sub-g-audioout; - &sub-g-crop; - &sub-g-ctrl; - &sub-g-dv-timings; - &sub-g-edid; - &sub-g-enc-index; - &sub-g-ext-ctrls; - &sub-g-fbuf; - &sub-g-fmt; - &sub-g-frequency; - &sub-g-input; - &sub-g-jpegcomp; - &sub-g-modulator; - &sub-g-output; - &sub-g-parm; - &sub-g-priority; - &sub-g-selection; - &sub-g-sliced-vbi-cap; - &sub-g-std; - &sub-g-tuner; - &sub-log-status; - &sub-overlay; - &sub-prepare-buf; - &sub-qbuf; - &sub-querybuf; - &sub-querycap; - &sub-queryctrl; - &sub-query-dv-timings; - &sub-querystd; - &sub-reqbufs; - &sub-s-hw-freq-seek; - &sub-streamon; - &sub-subdev-enum-frame-interval; - &sub-subdev-enum-frame-size; - &sub-subdev-enum-mbus-code; - &sub-subdev-g-crop; - &sub-subdev-g-fmt; - &sub-subdev-g-frame-interval; - &sub-subdev-g-selection; - &sub-subscribe-event; - <!-- End of ioctls. --> - &sub-mmap; - &sub-munmap; - &sub-open; - &sub-poll; - &sub-read; - &sub-select; - &sub-write; - </appendix> - - <appendix> - <title>Common definitions for V4L2 and V4L2 subdev interfaces</title> - &sub-selections-common; - </appendix> - - <appendix id="videodev"> - <title>Video For Linux Two Header File</title> - &sub-videodev2-h; - </appendix> - - <appendix id="capture-example"> - <title>Video Capture Example</title> - &sub-capture-c; - </appendix> - - <appendix id="v4l2grab-example"> - <title>Video Grabber example using libv4l</title> - <para>This program demonstrates how to grab V4L2 images in ppm format by -using libv4l handlers. The advantage is that this grabber can potentially work -with any V4L2 driver.</para> - &sub-v4l2grab-c; - </appendix> - - &sub-media-indices; - - &sub-biblio; - |