From: Ariel D'Alessandro <ariel.dalessandro@xxxxxxxxxxxxx> This commit just rewrites (and renames) the README file to use markdown syntax. Note that no further changes are added, keeping content unmodified as much as possible. Signed-off-by: Ariel D'Alessandro <ariel.dalessandro@xxxxxxxxxxxxx> --- README | 274 ----------------------------------------------------- README.md | 278 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ 2 files changed, 278 insertions(+), 274 deletions(-) delete mode 100644 README create mode 100644 README.md diff --git a/README b/README deleted file mode 100644 index a77591712bda..000000000000 --- a/README +++ /dev/null @@ -1,274 +0,0 @@ -v4l-utils ---------- - -Linux utilities and libraries to handle media devices (TV devices, -capture devices, radio devices, remote controllers). - -You can always find the latest development v4l-utils in the git repo: - http://git.linuxtv.org/v4l-utils.git - -Those utilities follow the latest Linux Kernel media API, as documented -at: - http://linuxtv.org/downloads/v4l-dvb-apis/ - -Any questions/remarks/patches can be sent to the linux-media mailinglist. -See https://linuxtv.org/lists.php for more information about the mailinglist. - -There is also a wiki page for the v4l-utils: - - https://linuxtv.org/wiki/index.php/V4l-utils - - --------- -Building --------- - -A number of packages is required to fully build v4l-utils. The first -step is to install those packages. The package names are different on -each distro. - -On Debian and derivated distributions, you need to install the following -packages with apt-get or aptitude: - debhelper dh-autoreconf autotools-dev autoconf-archive doxygen graphviz - libasound2-dev libtool libjpeg-dev qtbase5-dev qt5-default - libqt5opengl5-dev libudev-dev libx11-dev pkg-config udev make gcc git - - -On Fedora, the package list for a minimal install with dnf or yum is: - git automake autoconf libtool make gcc gcc-c++ which perl gettext-devel - -(git is only requiried if you're cloning from the main git repository at - linuxtv.org). - -And, to be able to compile it with all usual functionality with qt5, -you'll need also: - alsa-lib-devel doxygen libjpeg-turbo-devel qt5-qtbase-devel - libudev-devel mesa-libGLU-devel - - -After downloading and installing the needed packages, you should run: - - ./bootstrap.sh - ./configure - make - -If ./configure exit with some errors try: - - autoreconf -i --force - ./configure - -And, to install on your system: - sudo make install - -Optional features -^^^^^^^^^^^^^^^^^ - -Please notice that there's an extra feature to add an extra table to -decode Japanese DVB tables via iconv. This is meant to be used when -the iconv itself doesn't come with the ARIB-STD-B24 and EN300-468-TAB00 -tables. - -That requires not only the gconv package, but it also needs to be manually -enabled with: - --enable-gconv - ----------- -versioning ----------- - -The v4l-utils doesn't quite follow the release versioning defined -at semver.org. - -Instead, since version 1.0, it uses: - - MAJOR.MINOR.PATCH - -Where: - - MINOR - an odd number means a development version. When - the development is closed, we release an even - numbered version and start a newer odd version; - - MAJOR - It is incremented when MINOR number starts to be - too big. The last change occurred from 0.9.x to 1.0. - - All numbers start with 0. - -All versions have their own tags, except for the current -deveopment version (with uses the master branch at the git tree). - -The PATCH meaning actually depends if the version is stable -or developent. - -For even MAJOR.MINOR versions (1.0, 1.2, 1.4, 1.6, ...) - - PATCH is incremented when just bug fixes are added; - -For odd MAJOR.MINOR versions (1.1, 1.3, 1.5, 1.7, ...) - PATCH is incremented for release candidate versions. - -API/ABI stability: ------------------ - -There should not have any API/ABI changes when PATCH is incremented. - -When MAJOR and/or MINOR are incremented, the API/ABI for the -libraries might change, although we do all the efforts for not -doing it, except when inevitable. - -The TODO files should specify the events that will generate -API/ABI breaks. - ---------------- -media libraries ---------------- - -There are currently three media libraries defined at /lib directory, -meant to be used internally and by other applications. - -libv4l ------- - -This library is meant to be used by applications that need to -talk with V4L2 devices (webcams, analog TV, stream grabbers). - -It can be found on the following directories: - lib/libv4l1 - lib/libv4l2 - lib/libv4l-mplane - lib/libv4lconvert - -See README.libv4l for more information on libv4l. - -The libv4l is released under the GNU Lesser General Public License. - -libdvbv5 --------- - -This library is meant to be used by digital TV applications that -need to talk with media hardware. - -Full documentation is provided via Doxygen. It can be built, -after configuring the package, with: - $ make doxygen-run - -It is possible to generate documentation in html, man pages and pdf -formats. - -The documentation is also available via web, at: - http://linuxtv.org/docs/libdvbv5/ - -It can be found on the following directory: - lib/libdvbv5 - -The libdvbv5 is released under GPL version 2. - - -libv4l2rds ----------- - -This library provides support for RDS radio applications. - -It can be found on the following directory: - lib/libv4l2rds - -The libv4l is released under the GNU Lesser General Public License. - ---------- -Utilities ---------- - -The utilities are stored under /util directory. - -The (for now for v4l-utils private use only) libv4l2util library is -released under the GNU Lesser General Public License, all other code is -released under the GNU General Public License. - -v4l-utils includes the following utilities: - -decode_tm6000: -Decodes tm6000 proprietary format streams. -Installed by make install under <prefix>/bin. - -ir-keytable: -Dump, Load or Modify ir receiver input tables. -The ir tables for remotes which are known by the kernel -(and loaded by default depending on dvb card type) can be found -under utils/keytable/keycodes. -v4l-keytable does not get installed by make install. - -ir-ctl: -A swiss-knife tool to handle raw IR and to set lirc options - -qv4l2: -QT v4l2 control panel application. -Installed by make install under <prefix>/bin. - -rds-saa6588: -Poll i2c RDS receiver [Philips saa6588]. -rds-saa6588 does not get installed by make install. - -v4l2-compliance: -Tool to test v4l2 API compliance of drivers. -Installed by make install under <prefix>/bin. - -v4l2-ctl: -Tool to control v4l2 controls from the cmdline. -Installed by make install under <prefix>/bin. - -v4l2-dbg: -Tool to directly get and set registers of v4l2 devices, -this requires a kernel >= 2.6.29 with the ADV_DEBUG option -enabled. This tool can only be used by root and is meant -for development purposes only! -Installed by make install under <prefix>/sbin. - -v4l2-sysfs-path: -FIXME add description. -Installed by make install under <prefix>/bin. - -xc3028-firmware: -Xceive XC2028/3028 tuner module firmware manipulation tool. -xc3028-firmware does not get installed by make install. - -------------------- -Syncing with Kernel -------------------- - -There are a number of files on this package that depends on the Linux Kernel. - -In order to make easier to keep it in sync, there's a target on this -package to do the synchronism. - -For the sync to work, you need to run it on with 64 bits userspace and -be sure that glibc has the development package for 32 bits. - -For Fedora, this is provided via this package: glibc-devel.i686 - -There are some steps required: - -step 1) at the Kernel git tree: - -We need to sanitize the headers to be installed. To do that, you should -run - - $ make headers_install INSTALL_HDR_PATH=usr/ - -This will create the dir "usr/" inside the Kernel tree. - -step 2) - -Be sure that you have installed both glibc development packages for -32 and 64 bits, as otherwise the next step will fail. - -step 3) at v4l-utils tree: - - $ ./sync-with-kernel.sh location/of/the/kernel/tree - -Alternatively, steps 1 to 3 can be replaced with: - -KERNEL_DIR=location/of/the/kernel/tree && (cd $KERNEL_DIR && make headers_install INSTALL_HDR_PATH=usr/) && ./sync-with-kernel.sh $KERNEL_DIR - -step 4) - -Remove the usr/ from the Kernel tree. diff --git a/README.md b/README.md new file mode 100644 index 000000000000..a2322c6e3af3 --- /dev/null +++ b/README.md @@ -0,0 +1,278 @@ +# v4l-utils + +Linux utilities and libraries to handle media devices (TV devices, capture +devices, radio devices, remote controllers). + +You can always find the latest development v4l-utils in the git repo: +[http://git.linuxtv.org/v4l-utils.git](http://git.linuxtv.org/v4l-utils.git). + +Those utilities follow the latest Linux Kernel media API, as documented at: +[http://linuxtv.org/downloads/v4l-dvb-apis/](http://linuxtv.org/downloads/v4l-dvb-apis/). + +Any questions/remarks/patches can be sent to the linux-media mailinglist. See +[https://linuxtv.org/lists.php](https://linuxtv.org/lists.php) for more +information about the mailinglist. + +There is also a wiki page for the v4l-utils: +[https://linuxtv.org/wiki/index.php/V4l-utils](https://linuxtv.org/wiki/index.php/V4l-utils). + +## Building + +A number of packages is required to fully build v4l-utils. The first step is to +install those packages. The package names are different on each distro. + +On Debian and derivated distributions, you need to install the following +packages with `apt-get` or `aptitude`: + +``` +debhelper dh-autoreconf autotools-dev autoconf-archive doxygen graphviz +libasound2-dev libtool libjpeg-dev qtbase5-dev qt5-default libqt5opengl5-dev +libudev-dev libx11-dev pkg-config udev make gcc git +``` + +On Fedora, the package list for a minimal install with `dnf` or `yum` is: + +``` +git automake autoconf libtool make gcc gcc-c++ which perl gettext-devel +``` + +(git is only requiried if you're cloning from the main git repository at +linuxtv.org). + +And, to be able to compile it with all usual functionality with qt5, you'll need +also: + +``` +alsa-lib-devel doxygen libjpeg-turbo-devel qt5-qtbase-devel libudev-devel +mesa-libGLU-devel +``` + +After downloading and installing the needed packages, you should run: + +``` +./bootstrap.sh +./configure +make +``` + +If `./configure` exit with some errors try: + +``` +autoreconf -i --force +./configure +``` + +And, to install on your system: + +``` +sudo make install +``` + +### Optional features + +Please notice that there's an extra feature to add an extra table to decode +Japanese DVB tables via iconv. This is meant to be used when the iconv itself +doesn't come with the *ARIB-STD-B24* and *EN300-468-TAB00* tables. + +That requires not only the gconv package, but it also needs to be manually +enabled with `--enable-gconv`. + +## Versioning + +The v4l-utils doesn't quite follow the release versioning defined at +[semver.org](https://semver.org/). + +Instead, since version 1.0, it uses `MAJOR.MINOR.PATCH`. Where: + +* `MINOR` - an odd number means a development version. When the development is +closed, we release an even numbered version and start a newer odd version; + +* `MAJOR` - It is incremented when `MINOR` number starts to be too big. The last +change occurred from 0.9.x to 1.0. + +* All numbers start with 0. + +All versions have their own tags, except for the current development version +(with uses the master branch at the git tree). + +The `PATCH` meaning actually depends if the version is stable or development. + +* For even `MAJOR.MINOR` versions (1.0, 1.2, 1.4, 1.6, ...): `PATCH` is +incremented when just bug fixes are added; + +* For odd `MAJOR.MINOR` versions (1.1, 1.3, 1.5, 1.7, ...): `PATCH` is +incremented for release candidate versions. + +### API/ABI stability: + +There should not have any API/ABI changes when `PATCH` is incremented. + +When `MAJOR` and/or `MINOR` are incremented, the API/ABI for the libraries might +change, although we do all the efforts for not doing it, except when inevitable. + +The `TODO` files should specify the events that will generate API/ABI breaks. + +## Media libraries + +There are currently three media libraries defined at `lib/` directory, meant to +be used internally and by other applications. + +### libv4l + +This library is meant to be used by applications that need to talk with V4L2 +devices (webcams, analog TV, stream grabbers). + +It can be found on the following directories: + +``` +lib/libv4l1/ +lib/libv4l2/ +lib/libv4l-mplane/ +lib/libv4lconvert/ +``` + +See `README.libv4l` for more information on libv4l. + +The libv4l is released under the GNU Lesser General Public License. + +### libdvbv5 + +This library is meant to be used by digital TV applications that need to talk +with media hardware. + +Full documentation is provided via Doxygen. It can be built, after configuring +the package, with: + +``` +make doxygen-run +``` + +It is possible to generate documentation in html, man pages and pdf formats. + +The documentation is also available via web, at: +[http://linuxtv.org/docs/libdvbv5/](http://linuxtv.org/docs/libdvbv5/). + +It can be found on the following directory `lib/libdvbv5/`. + +The libdvbv5 is released under GPL version 2. + +### libv4l2rds + +This library provides support for RDS radio applications. + +It can be found on the following directory `lib/libv4l2rds/`. + +The libv4l is released under the GNU Lesser General Public License. + +## Utilities + +The utilities are stored under `utils/` directory. + +The (for now for v4l-utils private use only) libv4l2util library is released +under the GNU Lesser General Public License, all other code is released under +the GNU General Public License. + +v4l-utils includes the following utilities: + +### decode\_tm6000 + +Decodes tm6000 proprietary format streams. + +Installed by make install under `<prefix>/bin`. + +### ir-keytable + +Dump, Load or Modify ir receiver input tables. The ir tables for remotes which +are known by the kernel (and loaded by default depending on dvb card type) can +be found under `utils/keytable/keycodes`. + +v4l-keytable does not get installed by `make install`. + +### ir-ctl + +A swiss-knife tool to handle raw IR and to set lirc options. + +### qv4l2 + +QT v4l2 control panel application. + +Installed by `make install` under `<prefix>/bin`. + +### rds-saa6588 + +Poll i2c RDS receiver [Philips saa6588]. + +rds-saa6588 does not get installed by `make install`. + +### v4l2-compliance + +Tool to test v4l2 API compliance of drivers. + +Installed by `make install` under `<prefix>/bin`. + +### v4l2-ctl + +Tool to control v4l2 controls from the cmdline. + +Installed by `make install` under `<prefix>/bin`. + +### v4l2-dbg + +Tool to directly get and set registers of v4l2 devices, this requires a +*kernel >= 2.6.29* with the `ADV_DEBUG` option enabled. This tool can only be +used by root and is meant for development purposes only! + +Installed by `make install` under `<prefix>/sbin`. + +### v4l2-sysfs-path + +*FIXME* add description. + +Installed by `make install` under `<prefix>/bin`. + +### xc3028-firmware + +Xceive XC2028/3028 tuner module firmware manipulation tool. + +xc3028-firmware does not get installed by `make install`. + +## Syncing with Kernel + +There are a number of files on this package that depends on the Linux Kernel. + +In order to make easier to keep it in sync, there's a target on this package to +do the synchronism. + +For the sync to work, you need to run it on with 64 bits userspace and be sure +that glibc has the development package for 32 bits. + +For Fedora, this is provided via this package: *glibc-devel.i686* + +There are some steps required: + +1. At the Kernel git tree: + + We need to sanitize the headers to be installed. To do that, you should run: + + ``` + make headers_install INSTALL_HDR_PATH=usr/ + ``` + + This will create the dir `usr/` inside the Kernel tree. + +1. Be sure that you have installed both glibc development packages for 32 and 64 +bits, as otherwise the next step will fail. + +1. At v4l-utils tree: + + ``` + ./sync-with-kernel.sh location/of/the/kernel/tree + ``` + + Alternatively, steps 1 to 3 can be replaced with: + + ``` + KERNEL_DIR=location/of/the/kernel/tree && (cd $KERNEL_DIR && make headers_install INSTALL_HDR_PATH=usr/) && ./sync-with-kernel.sh $KERNEL_DIR + ``` + +1. Remove the `usr/` from the Kernel tree. -- Regards, Laurent Pinchart
