diff options
Diffstat (limited to 'v4l2-spec')
| -rw-r--r-- | v4l2-spec/Makefile | 9 | ||||
| -rw-r--r-- | v4l2-spec/compat.sgml | 7 | ||||
| -rw-r--r-- | v4l2-spec/remote_controllers.sgml | 170 | ||||
| -rw-r--r-- | v4l2-spec/v4l2.sgml | 23 | ||||
| -rw-r--r-- | v4l2-spec/vidioc-enum-fmt.sgml | 7 |
5 files changed, 212 insertions, 4 deletions
diff --git a/v4l2-spec/Makefile b/v4l2-spec/Makefile index ee5d80688..f593faccd 100644 --- a/v4l2-spec/Makefile +++ b/v4l2-spec/Makefile @@ -5,6 +5,7 @@ SHELL=/bin/bash SGMLS = \ biblio.sgml \ capture.c.sgml \ + keytable.c.sgml \ v4l2grab.c.sgml \ common.sgml \ compat.sgml \ @@ -22,6 +23,7 @@ SGMLS = \ dev-teletext.sgml \ driver.sgml \ libv4l.sgml \ + remote_controllers.sgml \ entities.sgml \ fdl-appendix.sgml \ func-close.sgml \ @@ -358,6 +360,13 @@ v4l2grab.c.sgml: ../v4l2-apps/test/v4l2grab.c Makefile sed 's/i\.e\./&ie;/' >> $@ echo "</programlisting>" >> $@ +keytable.c.sgml: ../v4l2-apps/util/keytable.c Makefile + echo "<programlisting>" > $@ + expand --tabs=8 < $< | \ + sed $(ESCAPE) $(DOCUMENTED) | \ + sed 's/i\.e\./&ie;/' >> $@ + echo "</programlisting>" >> $@ + videodev2.h.sgml: ../linux/include/linux/videodev2.h Makefile echo "<programlisting>" > $@ expand --tabs=8 < $< | \ diff --git a/v4l2-spec/compat.sgml b/v4l2-spec/compat.sgml index 3a05a869b..4d1902a54 100644 --- a/v4l2-spec/compat.sgml +++ b/v4l2-spec/compat.sgml @@ -2297,6 +2297,10 @@ was renamed to <structname id="v4l2-chip-ident-old">v4l2_chip_ident_old</structn <title>V4L2 in Linux 2.6.32</title> <orderedlist> <listitem> + <para>In order to be easier to compare a V4L2 API and a kernel +version, now V4L2 API is numbered using the Linux Kernel version numeration.</para> + </listitem> + <listitem> <para>Finalized the RDS capture API. See <xref linkend="rds" /> for more information.</para> </listitem> @@ -2315,6 +2319,9 @@ more information.</para> <listitem> <para>Added FM Modulator (FM TX) Extended Control Class: <constant>V4L2_CTRL_CLASS_FM_TX</constant> and their Control IDs.</para> </listitem> + <listitem> + <para>Added Remote Controller chapter, describing the default Remote Controller mapping for media devices.</para> + </listitem> </orderedlist> </section> </section> diff --git a/v4l2-spec/remote_controllers.sgml b/v4l2-spec/remote_controllers.sgml new file mode 100644 index 000000000..eb669537a --- /dev/null +++ b/v4l2-spec/remote_controllers.sgml @@ -0,0 +1,170 @@ +<title>Remote Controllers</title> +<section id="Remote_controllers_Intro"> +<title>Introduction</title> + +<para>Currently, most analog and digital devices have a Infrared input for remote controllers. Each manufacturer has their own type of control. It is not rare that the same manufacturer to ship different types of controls, depending on the device.</para> +<para>Unfortunately, during several years, there weren't any effort to uniform the IR keycodes under different boards. This resulted that the same IR keyname to be mapped completely different on different IR's. Due to that, V4L2 API now specifies a standard for mapping Media keys on IR.</para> +<para>This standard should be used by both V4L/DVB drivers and userspace applications</para> +<para>The modules register the remote as keyboard within the linux input layer. This means that the IR key strokes will look like normal keyboard key strokes (if CONFIG_INPUT_KEYBOARD is enabled). Using the event devices (CONFIG_INPUT_EVDEV) it is possible for applications to access the remote via /dev/input/event devices.</para> + +<table pgwide="1" frame="none" id="rc_standard_keymap"> +<title>IR default keymapping</title> +<tgroup cols="3"> +&cs-str; +<tbody valign="top"> +<row> +<entry>Key code</entry> +<entry>Meaning</entry> +<entry>Key examples on IR</entry> +</row> + +<row><entry><emphasis role="bold">Numeric keys</emphasis></entry></row> + +<row><entry><constant>KEY_0</constant></entry><entry>Keyboard digit 0</entry><entry>0</entry></row> +<row><entry><constant>KEY_1</constant></entry><entry>Keyboard digit 1</entry><entry>1</entry></row> +<row><entry><constant>KEY_2</constant></entry><entry>Keyboard digit 2</entry><entry>2</entry></row> +<row><entry><constant>KEY_3</constant></entry><entry>Keyboard digit 3</entry><entry>3</entry></row> +<row><entry><constant>KEY_4</constant></entry><entry>Keyboard digit 4</entry><entry>4</entry></row> +<row><entry><constant>KEY_5</constant></entry><entry>Keyboard digit 5</entry><entry>5</entry></row> +<row><entry><constant>KEY_6</constant></entry><entry>Keyboard digit 6</entry><entry>6</entry></row> +<row><entry><constant>KEY_7</constant></entry><entry>Keyboard digit 7</entry><entry>7</entry></row> +<row><entry><constant>KEY_8</constant></entry><entry>Keyboard digit 8</entry><entry>8</entry></row> +<row><entry><constant>KEY_9</constant></entry><entry>Keyboard digit 9</entry><entry>9</entry></row> + +<row><entry><emphasis role="bold">Movie play control</emphasis></entry></row> + +<row><entry><constant>KEY_FORWARD</constant></entry><entry>Instantly advance in time</entry><entry>>> / FORWARD</entry></row> +<row><entry><constant>KEY_BACK</constant></entry><entry>Instantly go back in time</entry><entry><<< / BACK</entry></row> +<row><entry><constant>KEY_FASTFORWARD</constant></entry><entry>Play movie faster</entry><entry>>>> / FORWARD</entry></row> +<row><entry><constant>KEY_REWIND</constant></entry><entry>Play movie back</entry><entry>REWIND / BACKWARD</entry></row> +<row><entry><constant>KEY_NEXT</constant></entry><entry>Select next chapter / sub-chapter / interval</entry><entry>NEXT / SKIP</entry></row> +<row><entry><constant>KEY_PREVIOUS</constant></entry><entry>Select previous chapter / sub-chapter / interval</entry><entry><< / PREV / PREVIOUS</entry></row> +<row><entry><constant>KEY_AGAIN</constant></entry><entry>Repeat the video or a video interval</entry><entry>REPEAT / LOOP / RECALL</entry></row> +<row><entry><constant>KEY_PAUSE</constant></entry><entry>Pause sroweam</entry><entry>PAUSE / FREEZE</entry></row> +<row><entry><constant>KEY_PLAY</constant></entry><entry>Play movie at the normal timeshift</entry><entry>NORMAL TIMESHIFT / LIVE / ></entry></row> +<row><entry><constant>KEY_PLAYPAUSE</constant></entry><entry>Alternate between play and pause</entry><entry>PLAY / PAUSE</entry></row> +<row><entry><constant>KEY_STOP</constant></entry><entry>Stop sroweam</entry><entry>STOP</entry></row> +<row><entry><constant>KEY_RECORD</constant></entry><entry>Start/stop recording sroweam</entry><entry>CAPTURE / REC / RECORD/PAUSE</entry></row> +<row><entry><constant>KEY_CAMERA</constant></entry><entry>Take a picture of the image</entry><entry>CAMERA ICON / CAPTURE / SNAPSHOT</entry></row> +<row><entry><constant>KEY_SHUFFLE</constant></entry><entry>Enable shuffle mode</entry><entry>SHUFFLE</entry></row> +<row><entry><constant>KEY_TIME</constant></entry><entry>Activate time shift mode</entry><entry>TIME SHIFT</entry></row> +<row><entry><constant>KEY_TITLE</constant></entry><entry>Allow changing the chapter</entry><entry>CHAPTER</entry></row> +<row><entry><constant>KEY_SUBTITLE</constant></entry><entry>Allow changing the subtitle</entry><entry>SUBTITLE</entry></row> + +<row><entry><emphasis role="bold">Image control</emphasis></entry></row> + +<row><entry><constant>KEY_BRIGHTNESSDOWN</constant></entry><entry>Decrease Brightness</entry><entry>BRIGHTNESS DECREASE</entry></row> +<row><entry><constant>KEY_BRIGHTNESSUP</constant></entry><entry>Increase Brightness</entry><entry>BRIGHTNESS INCREASE</entry></row> + +<row><entry><constant>KEY_ANGLE</constant></entry><entry>Switch video camera angle (on videos with more than one angle stored)</entry><entry>ANGLE / SWAP</entry></row> +<row><entry><constant>KEY_EPG</constant></entry><entry>Open the Elecrowonic Play Guide (EPG)</entry><entry>EPG / GUIDE</entry></row> +<row><entry><constant>KEY_TEXT</constant></entry><entry>Activate/change closed caption mode</entry><entry>CLOSED CAPTION/TELETEXT / DVD TEXT / TELETEXT / TTX</entry></row> + +<row><entry><emphasis role="bold">Audio control</emphasis></entry></row> + +<row><entry><constant>KEY_AUDIO</constant></entry><entry>Change audio source</entry><entry>AUDIO SOURCE / AUDIO / MUSIC</entry></row> +<row><entry><constant>KEY_MUTE</constant></entry><entry>Mute/unmute audio</entry><entry>MUTE / DEMUTE / UNMUTE</entry></row> +<row><entry><constant>KEY_VOLUMEDOWN</constant></entry><entry>Decrease volume</entry><entry>VOLUME- / VOLUME DOWN</entry></row> +<row><entry><constant>KEY_VOLUMEUP</constant></entry><entry>Increase volume</entry><entry>VOLUME+ / VOLUME UP</entry></row> +<row><entry><constant>KEY_MODE</constant></entry><entry>Change sound mode</entry><entry>MONO/STEREO</entry></row> +<row><entry><constant>KEY_LANGUAGE</constant></entry><entry>Select Language</entry><entry>1ST / 2ND LANGUAGE / DVD LANG / MTS/SAP / MTS SEL</entry></row> + +<row><entry><emphasis role="bold">Channel control</emphasis></entry></row> + +<row><entry><constant>KEY_CHANNEL</constant></entry><entry>Go to the next favorite channel</entry><entry>ALT / CHANNEL / CH SURFING / SURF / FAV</entry></row> +<row><entry><constant>KEY_CHANNELDOWN</constant></entry><entry>Decrease channel sequencially</entry><entry>CHANNEL - / CHANNEL DOWN / DOWN</entry></row> +<row><entry><constant>KEY_CHANNELUP</constant></entry><entry>Increase channel sequencially</entry><entry>CHANNEL + / CHANNEL UP / UP</entry></row> +<row><entry><constant>KEY_DIGITS</constant></entry><entry>Use more than one digit for channel</entry><entry>PLUS / 100/ 1xx / xxx / -/-- / Single Double Triple Digit</entry></row> +<row><entry><constant>KEY_SEARCH</constant></entry><entry>Start channel autoscan</entry><entry>SCAN / AUTOSCAN</entry></row> + +<row><entry><emphasis role="bold">Colored keys</emphasis></entry></row> + +<row><entry><constant>KEY_BLUE</constant></entry><entry>IR Blue key</entry><entry>BLUE</entry></row> +<row><entry><constant>KEY_GREEN</constant></entry><entry>IR Green Key</entry><entry>GREEN</entry></row> +<row><entry><constant>KEY_RED</constant></entry><entry>IR Red key</entry><entry>RED</entry></row> +<row><entry><constant>KEY_YELLOW</constant></entry><entry>IR Yellow key</entry><entry> YELLOW</entry></row> + +<row><entry><emphasis role="bold">Media selection</emphasis></entry></row> + +<row><entry><constant>KEY_CD</constant></entry><entry>Change input source to Compact Disc</entry><entry>CD</entry></row> +<row><entry><constant>KEY_DVD</constant></entry><entry>Change input to DVD</entry><entry>DVD / DVD MENU</entry></row> +<row><entry><constant>KEY_EJECTCLOSECD</constant></entry><entry>Open/close the CD/DVD player</entry><entry>-> ) / CLOSE / OPEN</entry></row> + +<row><entry><constant>KEY_MEDIA</constant></entry><entry>Turn on/off Media application</entry><entry>PC/TV / TURN ON/OFF APP</entry></row> +<row><entry><constant>KEY_PC</constant></entry><entry>Selects from TV to PC</entry><entry>PC</entry></row> +<row><entry><constant>KEY_RADIO</constant></entry><entry>Put into AM/FM radio mode</entry><entry>RADIO / TV/FM / TV/RADIO / FM / FM/RADIO</entry></row> +<row><entry><constant>KEY_TV</constant></entry><entry>Select tv mode</entry><entry>TV / LIVE TV</entry></row> +<row><entry><constant>KEY_TV2</constant></entry><entry>Select Cable mode</entry><entry>AIR/CBL</entry></row> +<row><entry><constant>KEY_VCR</constant></entry><entry>Select VCR mode</entry><entry>VCR MODE / DTR</entry></row> +<row><entry><constant>KEY_VIDEO</constant></entry><entry>Alternate between input modes</entry><entry>SOURCE / SELECT / DISPLAY / SWITCH INPUTS / VIDEO</entry></row> + +<row><entry><emphasis role="bold">Power control</emphasis></entry></row> + +<row><entry><constant>KEY_POWER</constant></entry><entry>Turn on/off computer</entry><entry>SYSTEM POWER / COMPUTER POWER</entry></row> +<row><entry><constant>KEY_POWER2</constant></entry><entry>Turn on/off application</entry><entry>TV ON/OFF / POWER</entry></row> +<row><entry><constant>KEY_SLEEP</constant></entry><entry>Activate sleep timer</entry><entry>SLEEP / SLEEP TIMER</entry></row> +<row><entry><constant>KEY_SUSPEND</constant></entry><entry>Put computer into suspend mode</entry><entry>STANDBY / SUSPEND</entry></row> + +<row><entry><emphasis role="bold">Window control</emphasis></entry></row> + +<row><entry><constant>KEY_CLEAR</constant></entry><entry>Stop sroweam and return to default input video/audio</entry><entry>CLEAR / RESET / BOSS KEY</entry></row> +<row><entry><constant>KEY_CYCLEWINDOWS</constant></entry><entry>Minimize windows and move to the next one</entry><entry>ALT-TAB / MINIMIZE / DESKTOP</entry></row> +<row><entry><constant>KEY_FAVORITES</constant></entry><entry>Open the favorites sroweam window</entry><entry>TV WALL / Favorites</entry></row> +<row><entry><constant>KEY_MENU</constant></entry><entry>Call application menu</entry><entry>2ND CONTROLS (USA: MENU) / DVD/MENU / SHOW/HIDE CTRL</entry></row> +<row><entry><constant>KEY_NEW</constant></entry><entry>Open/Close Picture in Picture</entry><entry>PIP</entry></row> +<row><entry><constant>KEY_OK</constant></entry><entry>Send a confirmation code to application</entry><entry>OK / ENTER / RETURN</entry></row> +<row><entry><constant>KEY_SCREEN</constant></entry><entry>Select screen aspect ratio</entry><entry>4:3 16:9 SELECT</entry></row> +<row><entry><constant>KEY_ZOOM</constant></entry><entry>Put device into zoom/full screen mode</entry><entry>ZOOM / FULL SCREEN / ZOOM+ / HIDE PANNEL / SWITCH</entry></row> + +<row><entry><emphasis role="bold">Navigation keys</emphasis></entry></row> + +<row><entry><constant>KEY_ESC</constant></entry><entry>Cancel current operation</entry><entry>CANCEL / BACK</entry></row> +<row><entry><constant>KEY_HELP</constant></entry><entry>Open a Help window</entry><entry>HELP</entry></row> +<row><entry><constant>KEY_HOMEPAGE</constant></entry><entry>Navigate to Homepage</entry><entry>HOME</entry></row> +<row><entry><constant>KEY_INFO</constant></entry><entry>Open On Screen Display</entry><entry>DISPLAY INFORMATION / OSD</entry></row> +<row><entry><constant>KEY_WWW</constant></entry><entry>Open the default browser</entry><entry>WEB</entry></row> +<row><entry><constant>KEY_UP</constant></entry><entry>Up key</entry><entry>UP</entry></row> +<row><entry><constant>KEY_DOWN</constant></entry><entry>Down key</entry><entry>DOWN</entry></row> +<row><entry><constant>KEY_LEFT</constant></entry><entry>Left key</entry><entry>LEFT</entry></row> +<row><entry><constant>KEY_RIGHT</constant></entry><entry>Right key</entry><entry>RIGHT</entry></row> + +<row><entry><emphasis role="bold">Miscelaneous keys</emphasis></entry></row> + +<row><entry><constant>KEY_DOT</constant></entry><entry>Return a dot</entry><entry>.</entry></row> +<row><entry><constant>KEY_FN</constant></entry><entry>Select a function</entry><entry>FUNCTION</entry></row> + +</tbody> +</tgroup> +</table> + +<para>It should be noticed that, sometimes, there some fundamental missing keys at some cheaper IR's. Due to that, it is recommended to:</para> + +<table pgwide="1" frame="none" id="rc_keymap_notes"> +<title>Notes</title> +<tgroup cols="1"> +&cs-str; +<tbody valign="top"> +<row> +<entry>On simpler IR's, without separate channel keys, you need to map UP as <constant>KEY_CHANNELUP</constant></entry> +</row><row> +<entry>On simpler IR's, without separate channel keys, you need to map DOWN as <constant>KEY_CHANNELDOWN</constant></entry> +</row><row> +<entry>On simpler IR's, without separate volume keys, you need to map LEFT as <constant>KEY_VOLUMEDOWN</constant></entry> +</row><row> +<entry>On simpler IR's, without separate volume keys, you need to map RIGHT as <constant>KEY_VOLUMEUP</constant></entry> +</row> +</tbody> +</tgroup> +</table> + +</section> + +<section id="Remote_controllers_table_change"> +<title>Changing default Remote Controller mappings</title> +<para>The event interface provides two ioctls to be used against +the /dev/input/event device, to allow changing the default +keymapping.</para> + +<para>This program demonstrates how to replace the keymap tables.</para> +&sub-keytable-c; +</section> diff --git a/v4l2-spec/v4l2.sgml b/v4l2-spec/v4l2.sgml index 62b8538a7..d4c13e51f 100644 --- a/v4l2-spec/v4l2.sgml +++ b/v4l2-spec/v4l2.sgml @@ -26,7 +26,7 @@ <book id="v4l2spec"> <bookinfo> <title>Video for Linux Two API Specification</title> - <subtitle>Revision 0.29</subtitle> + <subtitle>Revision 2.6.32</subtitle> <authorgroup> <author> @@ -91,12 +91,12 @@ MPEG stream embedded, sliced VBI data format in this specification. </address> </affiliation> </author> - </authorgroup> <author> <firstname>Mauro</firstname> <surname>Carvalho Chehab</surname> - <contrib>Documented libv4l, designed and added v4l2grab example + <contrib>Documented libv4l, designed and added v4l2grab example, +Remote Controller chapter </contrib> <affiliation> <address> @@ -104,6 +104,7 @@ MPEG stream embedded, sliced VBI data format in this specification. </address> </affiliation> </author> + </authorgroup> <copyright> <year>1999</year> @@ -145,6 +146,15 @@ structs, ioctls) must be noted in more detail in the history chapter applications. --> <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> @@ -162,7 +172,8 @@ applications. --> <revnumber>0.27</revnumber> <date>2009-08-15</date> <authorinitials>mcc</authorinitials> - <revremark>Added libv4l documentation and v4l2grab example.</revremark> + <revremark>Added libv4l and Remote Controller documentation; +added v4l2grab and keytable application examples.</revremark> </revision> <revision> @@ -510,6 +521,10 @@ available here: <ulink url="http://linuxtv.org/downloads/video4linux/API/V4L2_AP &sub-libv4l; </chapter> + <chapter id="remote_controllers"> + &sub-remote_controllers; + </chapter> + <chapter id="compat"> &sub-compat; </chapter> diff --git a/v4l2-spec/vidioc-enum-fmt.sgml b/v4l2-spec/vidioc-enum-fmt.sgml index 7a31c2349..960d44615 100644 --- a/v4l2-spec/vidioc-enum-fmt.sgml +++ b/v4l2-spec/vidioc-enum-fmt.sgml @@ -127,6 +127,13 @@ the array to zero.</entry> <entry>0x0001</entry> <entry>This is a compressed format.</entry> </row> + <row> + <entry><constant>V4L2_FMT_FLAG_EMULATED</constant></entry> + <entry>0x0002</entry> + <entry>This format is not native to the device but emulated +through software (usually libv4l2), where possible try to use a native format +instead for better performance.</entry> + </row> </tbody> </tgroup> </table> |