android  LOCK screen 안보이게 하기

--- frameworks/base/policy/src/com/android/internal/policy/impl/KeyguardViewMediator.java (리비전 15)

+++ frameworks/base/policy/src/com/android/internal/policy/impl/KeyguardViewMediator.java (작업 사본)

@@ -553,7 +553,7 @@

             }

 

             if (DEBUG) Log.d(TAG, "doKeyguard: showing the lock screen");

-            showLocked();

+            //showLocked();

         }

     }


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bootanimation.zip


desc.txt 파일 내용

512 256 30
p 1 0 part0
p 0 0 part1

'523' is the width of the animation
'256' is the height of the animation
'30' is the desired fps of the animation
'p' defines a animation part
'1' how many times this animation part loops
'0' defines a pause (max 10)
'part0' is the folder name where the animation images are
'p' defines another animation part
'0' defines that it loops forever (until android starts)
'0' defines a pause
'part1' is the folder for the second animation part.

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android source version 및 다운로드 방법


https://android.googlesource.com/platform/manifest

http://source.android.com/source/downloading.html

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Nexus 7 (Tegra chipset) 의 커널 소스

https://android.googlesource.com/kernel/tegra


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u-boot home page

http://www.denx.de/wiki/U-Boot/WebHome

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NTP server


http://www.pool.ntp.org/zone/asia

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Android 에서 /system 영역 read-write 권한으로 마운트 하기.

mount -o remount,rw -t ext4 /dev/block/mmcblk0p2 /system

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[펌] http://blog.naver.com/PostView.nhn?blogId=green187&logNo=110129376501


machine init시에 다음 함수를 추가한다.(테스트 당시 arch/arm/mach-s3c2440/mach-smdk2440.c에 추가함.)

static struct i2c_board_info i2c_devs0[]    __initdata = {
        {   I2C_BOARD_INFO("eeprom",0x53),},

         // I2C_BOARD_INFO 함수의 첫번째 파라메터는 device driver에서 사용할 i2c_device_id와 동일해야함, 두번째파라메터는 device address를 넣는다.
};

 static void __init smdk2440_machine_init(void)

{

    s3c24xx_fb_set_platdata(&smdk2440_fb_info);
    s3c_i2c0_set_platdata(NULL);
    i2c_register_board_info(0, i2c_devs0, ARRAY_SIZE(i2c_devs0));

    platform_add_devices(smdk2440_devices, ARRAY_SIZE(smdk2440_devices));
    smdk_machine_init();
}


i2c device driver에서는 다음 형식으로 소스를 작성한다.

#define DEVICE_NAME     "eeprom"
static const struct i2c_device_id eep_id[] = {
    {   DEVICE_NAME, 0 },
    {   }  
};

 

static struct i2c_driver eep_driver =
{
    .driver = {
        .name       =   DEVICE_NAME,
    }, 
    .id_table       =   eep_id,
    .probe          =   eep_probe,
    .remove         =   eep_remove,
};

eep_probe함수가 호출되고 , i2c_master_send / i2c_master_recv함수를 통해 I2C device에 접근 할 수 있다.

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#  repo init -u https://android.googlesource.com/platform/manifest -b android-4.1.1_r1

Get https://android.googlesource.com/tools/repo/clone.bundle

... A new repo command ( 1.17) is available.
... You should upgrade soon:

    cp /home/bumnux/SDB/work/Google/android-4.1.1_r1/.repo/repo/repo /bin/repo

--------------------------------------------------------------------------------------------------------------------------------------------------------

From https://android.googlesource.com/platform/manifest
 * [new branch]      android-4.1.1_r1 -> origin/android-4.1.1_r1
 * [new branch]      jb-dev     -> origin/jb-dev
   3954196..6f05645  master     -> origin/master
   b5a0d13..b767923  master-dalvik -> origin/master-dalvik
 * [new tag]         android-4.1.1_r1 -> android-4.1.1_r1
 * [new tag]         android-4.1.1_r1_ -> android-4.1.1_r1_

Your Name  [bumnux]:

Get https://android.googlesource.com/platform/manifest

#  repo sync

... A new repo command ( 1.17) is available.
... You should upgrade soon:

    cp /home/bumnux/SDB/work/Google/android-4.1.1_r1/.repo/repo/repo /bin/repo

From /home/bumnux/SDB/work/Google/android-4.1.1_r1/.repo/projects/abi/cpp.git/clone.bundle

7.1 Odroid-A / PC

  • Now, To update bootloader, you have to use Linux PC & Windows PC.
Because, we will use command split under the Linux and AttachHeader.exe under the Windows. The split is commonly included by Linux and the AttachHeader.exe can download at this link. [http]AttachHeader.exe

1) Make BL1 image from the your u-boot.bin under the Linux. 
$ split -b 16368 u-boot.bin bl1

2) Flowing above split command, You can see the bl1aa file. and copy it to Windows.

3) Make u-boot-bl1.bin image under the Windows. and copy it to Linux. 
c:\> AttachHeader.exe bl1aa u-boot-bl1.bin

4) Eject micro-sd card from Odroid-A, connect to Linux PC again using anything USB card reader.

5) Umount micro-sd card. 

$ sudo umount /dev/sdc*

Note : /dev/sdc is your micro-sd card device node.

6) Update BL1. 

$ sudo dd iflag=dsync oflag=dsync if=./u-boot-bl1.bin of=/dev/sdc seek=1
32+0 records in
32+0 records out
16384 bytes (16 kB) copied, 0.270473 s, 60.6 kB/s

7) Update BL2. 

$ sudo dd iflag=dsync oflag=dsync if=./u-boot.bin of=/dev/sdc seek=33
523+1 records in
523+1 records out
268132 bytes (268 kB) copied, 1.27022 s, 211 kB/s

8) End of Update bootloader. Eject micro-sd card from Linux.


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lrzsz 사이트
http://www.ohse.de/uwe/software/lrzsz.html


$ CC=arm-linux-gcc ./configure --host=arm-linux-gcc

$ make

$ ls src/

src 폴더 안에 lrz, lsz 존재함.

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tizen_git_repo.sh


내용은 아래와 같다.
 


git clone git://review.tizen.org/api/app-manager.git
git clone git://review.tizen.org/api/application.git
git clone git://review.tizen.org/api/audio-io.git
git clone git://review.tizen.org/api/bluetooth.git
git clone git://review.tizen.org/api/calendar.git
git clone git://review.tizen.org/api/call-log.git
git clone git://review.tizen.org/api/call_test.git
git clone git://review.tizen.org/api/camera.git
git clone git://review.tizen.org/api/capi-oss-pkgs.git
git clone git://review.tizen.org/api/capi-pkgs.git
git clone git://review.tizen.org/api/common.git
git clone git://review.tizen.org/api/connection.git
git clone git://review.tizen.org/api/contacts.git
git clone git://review.tizen.org/api/device.git
git clone git://review.tizen.org/api/efl-util.git
git clone git://review.tizen.org/api/email.git
git clone git://review.tizen.org/api/feedback.git
git clone git://review.tizen.org/api/geocoder.git
git clone git://review.tizen.org/api/haptic.git
git clone git://review.tizen.org/api/image-util.git
git clone git://review.tizen.org/api/location-manager.git
git clone git://review.tizen.org/api/media-content.git
git clone git://review.tizen.org/api/mms.git
git clone git://review.tizen.org/api/network-info.git
git clone git://review.tizen.org/api/nfc.git
git clone git://review.tizen.org/api/player.git
git clone git://review.tizen.org/api/power.git
git clone git://review.tizen.org/api/radio.git
git clone git://review.tizen.org/api/recorder.git
git clone git://review.tizen.org/api/runtime-info.git
git clone git://review.tizen.org/api/sensor.git
git clone git://review.tizen.org/api/sim.git
git clone git://review.tizen.org/api/sms.git
git clone git://review.tizen.org/api/sound-manager.git
git clone git://review.tizen.org/api/system-info.git
git clone git://review.tizen.org/api/tone-player.git
git clone git://review.tizen.org/api/tts.git
git clone git://review.tizen.org/api/wav-player.git
git clone git://review.tizen.org/kernel/alsa-scenario-0.2.git
git clone git://review.tizen.org/kernel/alsa-scenario-files-0.0.git
git clone git://review.tizen.org/kernel/alsa-scenario-scn-data-0.git
git clone git://review.tizen.org/kernel/oprofile.git
git clone git://review.tizen.org/kernel/rfkill.git
git clone git://review.tizen.org/pkgs/a/acl.git
git clone git://review.tizen.org/pkgs/a/alarm-manager.git
git clone git://review.tizen.org/pkgs/a/alsa-lib.git
git clone git://review.tizen.org/pkgs/a/alsa-utils.git
git clone git://review.tizen.org/pkgs/a/app-checker.git
git clone git://review.tizen.org/pkgs/a/app-core.git
git clone git://review.tizen.org/pkgs/a/app-svc.git
git clone git://review.tizen.org/pkgs/a/apt.git
git clone git://review.tizen.org/pkgs/a/attr.git
git clone git://review.tizen.org/pkgs/a/audio-session-manager.git
git clone git://review.tizen.org/pkgs/a/aul-1.git
git clone git://review.tizen.org/pkgs/a/avsystem.git
git clone git://review.tizen.org/pkgs/b/base-files.git
git clone git://review.tizen.org/pkgs/b/base-passwd.git
git clone git://review.tizen.org/pkgs/b/bash.git
git clone git://review.tizen.org/pkgs/b/binutils.git
git clone git://review.tizen.org/pkgs/b/bluetooth-frwk.git
git clone git://review.tizen.org/pkgs/b/bluez.git
git clone git://review.tizen.org/pkgs/b/bt-firmware-43xx.git
git clone git://review.tizen.org/pkgs/b/bundle.git
git clone git://review.tizen.org/pkgs/b/busybox.git
git clone git://review.tizen.org/pkgs/b/bzip2.git
git clone git://review.tizen.org/pkgs/c/c-ares.git
git clone git://review.tizen.org/pkgs/c/ca-certificates.git
git clone git://review.tizen.org/pkgs/c/cert-svc.git
git clone git://review.tizen.org/pkgs/c/check.git
git clone git://review.tizen.org/pkgs/c/connman.git
git clone git://review.tizen.org/pkgs/c/contacts-service.git
git clone git://review.tizen.org/pkgs/d/dbus-glib.git
git clone git://review.tizen.org/pkgs/d/dbus.git
git clone git://review.tizen.org/pkgs/d/debconf.git
git clone git://review.tizen.org/pkgs/d/debianutils.git
git clone git://review.tizen.org/pkgs/d/default-files-emulator.git
git clone git://review.tizen.org/pkgs/d/default-files-slp.git
git clone git://review.tizen.org/pkgs/d/default-fonts-fc-sdk.git
git clone git://review.tizen.org/pkgs/d/devman.git
git clone git://review.tizen.org/pkgs/d/dlog.git
git clone git://review.tizen.org/pkgs/d/dpkg.git
git clone git://review.tizen.org/pkgs/e/e17-extra-modules.git
git clone git://review.tizen.org/pkgs/e/e17-misc.git
git clone git://review.tizen.org/pkgs/e/e17.git
git clone git://review.tizen.org/pkgs/e/ecore.git
git clone git://review.tizen.org/pkgs/e/edbus.git
git clone git://review.tizen.org/pkgs/e/edje.git
git clone git://review.tizen.org/pkgs/e/eet.git
git clone git://review.tizen.org/pkgs/e/efreet.git
git clone git://review.tizen.org/pkgs/e/eglibc.git
git clone git://review.tizen.org/pkgs/e/eina.git
git clone git://review.tizen.org/pkgs/e/elektra.git
git clone git://review.tizen.org/pkgs/e/elementary.git
git clone git://review.tizen.org/pkgs/e/elm-misc.git
git clone git://review.tizen.org/pkgs/e/elm-webview.git
git clone git://review.tizen.org/pkgs/e/email-service.git
git clone git://review.tizen.org/pkgs/e/embryo.git
git clone git://review.tizen.org/pkgs/e/emotion.git
git clone git://review.tizen.org/pkgs/e/emulator-daemon.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-accel-filter.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-accel-proc.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-accel.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-geo-filter.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-geo-proc.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-geo.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-gyro-pkgs.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-light-filter.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-light-proc.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-light.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-motion-proc.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-proxi-filter.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-proxi-proc.git
git clone git://review.tizen.org/pkgs/e/emulator-plugin-proxi.git
git clone git://review.tizen.org/pkgs/e/ethumb.git
git clone git://review.tizen.org/pkgs/e/evas.git
git clone git://review.tizen.org/pkgs/f/fontconfig.git
git clone git://review.tizen.org/pkgs/f/freealut.git
git clone git://review.tizen.org/pkgs/g/gcc-4.5.git
git clone git://review.tizen.org/pkgs/g/gconf-dbus.git
git clone git://review.tizen.org/pkgs/g/gdb.git
git clone git://review.tizen.org/pkgs/g/gdbm.git
git clone git://review.tizen.org/pkgs/g/geoclue.git
git clone git://review.tizen.org/pkgs/g/glib-networking.git
git clone git://review.tizen.org/pkgs/g/gmp.git
git clone git://review.tizen.org/pkgs/g/gnupg.git
git clone git://review.tizen.org/pkgs/g/gps-manager.git
git clone git://review.tizen.org/pkgs/g/gst-openmax.git
git clone git://review.tizen.org/pkgs/g/gst-plugins-bad0.10.git
git clone git://review.tizen.org/pkgs/g/gst-plugins-base0.10.git
git clone git://review.tizen.org/pkgs/g/gst-plugins-ext0.10.git
git clone git://review.tizen.org/pkgs/g/gst-plugins-good0.10.git
git clone git://review.tizen.org/pkgs/g/gst-plugins-ugly0.10.git
git clone git://review.tizen.org/pkgs/g/gstreamer0.10-ffmpeg-emulator.git
git clone git://review.tizen.org/pkgs/g/gstreamer0.10-ffmpeg.git
git clone git://review.tizen.org/pkgs/g/gstreamer0.10.git
git clone git://review.tizen.org/pkgs/h/harfbuzz.git
git clone git://review.tizen.org/pkgs/h/heynoti.git
git clone git://review.tizen.org/pkgs/i/icu.git
git clone git://review.tizen.org/pkgs/i/ifupdown.git
git clone git://review.tizen.org/pkgs/i/insserv.git
git clone git://review.tizen.org/pkgs/i/iptables.git
git clone git://review.tizen.org/pkgs/i/ise-engine-default.git
git clone git://review.tizen.org/pkgs/i/isf.git
git clone git://review.tizen.org/pkgs/l/leveldb.git
git clone git://review.tizen.org/pkgs/l/libcamsrcjpegenc-sw-libjpeg.git
git clone git://review.tizen.org/pkgs/l/libcamsrcjpegenc.git
git clone git://review.tizen.org/pkgs/l/libcap.git
git clone git://review.tizen.org/pkgs/l/libdownload-agent.git
git clone git://review.tizen.org/pkgs/l/libelf.git
git clone git://review.tizen.org/pkgs/l/libexif.git
git clone git://review.tizen.org/pkgs/l/libgnutls26.git
git clone git://review.tizen.org/pkgs/l/libidn.git
git clone git://review.tizen.org/pkgs/l/libiri.git
git clone git://review.tizen.org/pkgs/l/libjpeg-turbo.git
git clone git://review.tizen.org/pkgs/l/libjpeg8.git
git clone git://review.tizen.org/pkgs/l/libjson-glib.git
git clone git://review.tizen.org/pkgs/l/libmedia-service.git
git clone git://review.tizen.org/pkgs/l/libmedia-thumbnail.git
git clone git://review.tizen.org/pkgs/l/libmm-camcorder.git
git clone git://review.tizen.org/pkgs/l/libmm-common.git
git clone git://review.tizen.org/pkgs/l/libmm-fileinfo.git
git clone git://review.tizen.org/pkgs/l/libmm-imgp-gstcs.git
git clone git://review.tizen.org/pkgs/l/libmm-log.git
git clone git://review.tizen.org/pkgs/l/libmm-player.git
git clone git://review.tizen.org/pkgs/l/libmm-radio.git
git clone git://review.tizen.org/pkgs/l/libmm-session.git
git clone git://review.tizen.org/pkgs/l/libmm-sound.git
git clone git://review.tizen.org/pkgs/l/libmm-ta.git
git clone git://review.tizen.org/pkgs/l/libmm-utility.git
git clone git://review.tizen.org/pkgs/l/librua.git
git clone git://review.tizen.org/pkgs/l/libsf-common.git
git clone git://review.tizen.org/pkgs/l/libslp-calendar.git
git clone git://review.tizen.org/pkgs/l/libslp-db-util.git
git clone git://review.tizen.org/pkgs/l/libslp-lbsplugin-replay.git
git clone git://review.tizen.org/pkgs/l/libslp-location.git
git clone git://review.tizen.org/pkgs/l/libslp-pm.git
git clone git://review.tizen.org/pkgs/l/libslp-sensor.git
git clone git://review.tizen.org/pkgs/l/libslp-setting.git
git clone git://review.tizen.org/pkgs/l/libslp-sysman.git
git clone git://review.tizen.org/pkgs/l/libslp-tapi.git
git clone git://review.tizen.org/pkgs/l/libslp-utilx.git
git clone git://review.tizen.org/pkgs/l/libsmack.git
git clone git://review.tizen.org/pkgs/l/libsndfile.git
git clone git://review.tizen.org/pkgs/l/libsoup2.4.git
git clone git://review.tizen.org/pkgs/l/libsqlfs.git
git clone git://review.tizen.org/pkgs/l/libsvi.git
git clone git://review.tizen.org/pkgs/l/libwbxml2.git
git clone git://review.tizen.org/pkgs/l/locales-init.git
git clone git://review.tizen.org/pkgs/l/location-module.git
git clone git://review.tizen.org/pkgs/l/lsb.git
git clone git://review.tizen.org/pkgs/l/ltrace.git
git clone git://review.tizen.org/pkgs/l/lzo2.git
git clone git://review.tizen.org/pkgs/m/mawk.git
git clone git://review.tizen.org/pkgs/m/media-data-sdk.git
git clone git://review.tizen.org/pkgs/m/media-server.git
git clone git://review.tizen.org/pkgs/m/mmfw-sysconf.git
git clone git://review.tizen.org/pkgs/m/module-init-tools.git
git clone git://review.tizen.org/pkgs/m/mpclib.git
git clone git://review.tizen.org/pkgs/m/mpfr.git
git clone git://review.tizen.org/pkgs/n/ncurses.git
git clone git://review.tizen.org/pkgs/n/netbase.git
git clone git://review.tizen.org/pkgs/n/notification.git
git clone git://review.tizen.org/pkgs/o/obexd.git
git clone git://review.tizen.org/pkgs/o/openal-soft.git
git clone git://review.tizen.org/pkgs/o/opengl-es-virtual-drv.git
git clone git://review.tizen.org/pkgs/o/opengl-es.git
git clone git://review.tizen.org/pkgs/o/openssh.git
git clone git://review.tizen.org/pkgs/p/pcre.git
git clone git://review.tizen.org/pkgs/p/perl.git
git clone git://review.tizen.org/pkgs/p/pixman.git
git clone git://review.tizen.org/pkgs/p/prelink.git
git clone git://review.tizen.org/pkgs/p/psmisc.git
git clone git://review.tizen.org/pkgs/p/pulseaudio.git
git clone git://review.tizen.org/pkgs/r/ragel.git
git clone git://review.tizen.org/pkgs/r/readline5.git
git clone git://review.tizen.org/pkgs/s/sbs-archive-keyring.git
git clone git://review.tizen.org/pkgs/s/sbs-build-target.git
git clone git://review.tizen.org/pkgs/s/sensor-daemon-emulator.git
git clone git://review.tizen.org/pkgs/s/sensor-framework.git
git clone git://review.tizen.org/pkgs/s/shadow.git
git clone git://review.tizen.org/pkgs/s/slp-pkgmgr.git
git clone git://review.tizen.org/pkgs/s/smackutils.git
git clone git://review.tizen.org/pkgs/s/sonet.git
git clone git://review.tizen.org/pkgs/s/starter.git
git clone git://review.tizen.org/pkgs/s/strace.git
git clone git://review.tizen.org/pkgs/s/stt.git
git clone git://review.tizen.org/pkgs/s/svi-data-sdk.git
git clone git://review.tizen.org/pkgs/s/sys-assert.git
git clone git://review.tizen.org/pkgs/s/sys-string-0.git
git clone git://review.tizen.org/pkgs/s/syspopup.git
git clone git://review.tizen.org/pkgs/s/system-plugin-slp.git
git clone git://review.tizen.org/pkgs/s/sysvinit.git
git clone git://review.tizen.org/pkgs/t/telephony-server.git
git clone git://review.tizen.org/pkgs/t/tizen-clean-armel-pkgs.git
git clone git://review.tizen.org/pkgs/t/tizen-clean-x86-pkgs.git
git clone git://review.tizen.org/pkgs/t/tts.git
git clone git://review.tizen.org/pkgs/t/tzdata-slp.git
git clone git://review.tizen.org/pkgs/u/udev.git
git clone git://review.tizen.org/pkgs/u/util-linux.git
git clone git://review.tizen.org/pkgs/u/uw-imap-toolkit.git
git clone git://review.tizen.org/pkgs/w/web-ui-fw.git
git clone git://review.tizen.org/pkgs/w/webkit-efl.git
git clone git://review.tizen.org/pkgs/w/wpasupplicant.git
git clone git://review.tizen.org/pkgs/w/wrt-commons.git
git clone git://review.tizen.org/pkgs/w/wrt-installer.git
git clone git://review.tizen.org/pkgs/w/wrt-plugins-common.git
git clone git://review.tizen.org/pkgs/w/wrt-plugins-tizen.git
git clone git://review.tizen.org/pkgs/w/wrt-plugins-w3c.git
git clone git://review.tizen.org/pkgs/w/wrt-security.git
git clone git://review.tizen.org/pkgs/w/wrt.git
git clone git://review.tizen.org/pkgs/x/xdgmime.git
git clone git://review.tizen.org/pkgs/x/xmlsec1.git
git clone git://review.tizen.org/pkgs/xorg/app/x11-apps.git
git clone git://review.tizen.org/pkgs/xorg/app/xbitmaps.git
git clone git://review.tizen.org/pkgs/xorg/app/xinit.git
git clone git://review.tizen.org/pkgs/xorg/app/xinput.git
git clone git://review.tizen.org/pkgs/xorg/app/xrestop.git
git clone git://review.tizen.org/pkgs/xorg/driver/xserver-xorg-input-evdev-multitouch.git
git clone git://review.tizen.org/pkgs/xorg/driver/xserver-xorg-input-evdev.git
git clone git://review.tizen.org/pkgs/xorg/driver/xserver-xorg-input-gesture.git
git clone git://review.tizen.org/pkgs/xorg/driver/xserver-xorg-misc.git
git clone git://review.tizen.org/pkgs/xorg/driver/xserver-xorg-video-emulfb.git
git clone git://review.tizen.org/pkgs/xorg/lib/libdmx.git
git clone git://review.tizen.org/pkgs/xorg/lib/libdri2.git
git clone git://review.tizen.org/pkgs/xorg/lib/libdrm.git
git clone git://review.tizen.org/pkgs/xorg/lib/libfontenc.git
git clone git://review.tizen.org/pkgs/xorg/lib/libice.git
git clone git://review.tizen.org/pkgs/xorg/lib/libpciaccess.git
git clone git://review.tizen.org/pkgs/xorg/lib/libsm.git
git clone git://review.tizen.org/pkgs/xorg/lib/libx11.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxau.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxaw.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxcomposite.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxcursor.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxdamage.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxdmcp.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxext.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxfixes.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxfont.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxft.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxgesture.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxi.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxinerama.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxkbfile.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxmu.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxpm.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxrandr.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxrender.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxres.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxt.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxtrap.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxtst.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxv.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxxf86dga.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxxf86misc.git
git clone git://review.tizen.org/pkgs/xorg/lib/libxxf86vm.git
git clone git://review.tizen.org/pkgs/xorg/lib/xtrans.git
git clone git://review.tizen.org/pkgs/xorg/miscs/libusb.git
git clone git://review.tizen.org/pkgs/xorg/miscs/pciutils.git
git clone git://review.tizen.org/pkgs/xorg/miscs/usbutils.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-bigreqs.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-composite.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-core.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-damage.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-dmx.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-dri2.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-fixes.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-fontcache.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-fonts.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-gesture.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-input.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-kb.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-randr.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-record.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-render.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-resource.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-scrnsaver.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-trap.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-video.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-xcmisc.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-xext.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-xf86bigfont.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-xf86dga.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-xf86dri.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-xf86misc.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-xf86vidmode.git
git clone git://review.tizen.org/pkgs/xorg/proto/x11proto-xinerama.git
git clone git://review.tizen.org/pkgs/xorg/server/xorg-server.git
git clone git://review.tizen.org/pkgs/xorg/util/x11-utils.git
git clone git://review.tizen.org/pkgs/xorg/util/x11-xkb-utils.git
git clone git://review.tizen.org/pkgs/xorg/util/x11-xserver-utils.git
git clone git://review.tizen.org/pkgs/xorg/util/xfonts-utils.git
git clone git://review.tizen.org/pkgs/xorg/util/xkeyboard-config.git
git clone git://review.tizen.org/pkgs/xorg/util/xutils-dev.git
git clone git://review.tizen.org/pkgs/xorg/xcb/libpthread-stubs.git
git clone git://review.tizen.org/pkgs/xorg/xcb/libxcb.git
git clone git://review.tizen.org/pkgs/xorg/xcb/xcb-proto.git
git clone git://review.tizen.org/pkgs/xorg/xcb/xcb-util.git
git clone git://review.tizen.org/pkgs/xorg/xorg.git
git clone git://review.tizen.org/pkgs/z/zlib.git
git clone git://review.tizen.org/sdk/emulator/emulator-kernel.git
git clone git://review.tizen.org/sdk/emulator/qemu.git
git clone git://review.tizen.org/sdk/emulator/vgabios.git
git clone git://review.tizen.org/sdk/ide/assignmenttracing-eplugin.git
git clone git://review.tizen.org/sdk/ide/common-eplugin.git
git clone git://review.tizen.org/sdk/ide/eventinjector-eplugin.git
git clone git://review.tizen.org/sdk/ide/nativecommon-eplugin.git
git clone git://review.tizen.org/sdk/ide/nativeplatform-eplugin.git
git clone git://review.tizen.org/sdk/ide/product.git
git clone git://review.tizen.org/sdk/ide/telephony-eplugin.git
git clone git://review.tizen.org/sdk/ide/webapp-eplugin.git
git clone git://review.tizen.org/sdk/installer/install-manager.git
git clone git://review.tizen.org/sdk/tools/gcc-4.5.git
git clone git://review.tizen.org/sdk/tools/gdb-7.2.git
git clone git://review.tizen.org/sdk/tools/image-creator.git
git clone git://review.tizen.org/sdk/tools/platform-dev-rootstrap.git
git clone git://review.tizen.org/sdk/tools/platform-dev-tools.git
git clone git://review.tizen.org/sdk/tools/sbi-plugins.git
git clone git://review.tizen.org/sdk/tools/sdblib.git
git clone git://review.tizen.org/sdk/tools/sdk-build.git
git clone git://review.tizen.org/sdk/tools/smart-build-interface.git
git clone git://review.tizen.org/test.git
git clone git://review.tizen.org/tools/ext4-utils.git
git clone git://review.tizen.org/tools/sbs.git
git clone git://review.tizen.org/unmodified/cairo.git
git clone git://review.tizen.org/unmodified/curl.git
git clone git://review.tizen.org/unmodified/dialog.git
git clone git://review.tizen.org/unmodified/expat.git
git clone git://review.tizen.org/unmodified/ffmpeg.git
git clone git://review.tizen.org/unmodified/file.git
git clone git://review.tizen.org/unmodified/freetype.git
git clone git://review.tizen.org/unmodified/fribidi.git
git clone git://review.tizen.org/unmodified/fuse.git
git clone git://review.tizen.org/unmodified/giflib.git
git clone git://review.tizen.org/unmodified/glib2.0.git
git clone git://review.tizen.org/unmodified/iniparser.git
git clone git://review.tizen.org/unmodified/libgcrypt11.git
git clone git://review.tizen.org/unmodified/libgpg-error.git
git clone git://review.tizen.org/unmodified/libogg.git
git clone git://review.tizen.org/unmodified/liboil.git
git clone git://review.tizen.org/unmodified/libpng.git
git clone git://review.tizen.org/unmodified/libtheora.git
git clone git://review.tizen.org/unmodified/libvorbis.git
git clone git://review.tizen.org/unmodified/libxml2.git
git clone git://review.tizen.org/unmodified/libxslt.git
git clone git://review.tizen.org/unmodified/lua5.1.git
git clone git://review.tizen.org/unmodified/opencore-amr.git
git clone git://review.tizen.org/unmodified/openssl.git
git clone git://review.tizen.org/unmodified/pango1.0.git
git clone git://review.tizen.org/unmodified/pkg-config.git
git clone git://review.tizen.org/unmodified/popt.git
git clone git://review.tizen.org/unmodified/shared-mime-info.git
git clone git://review.tizen.org/unmodified/speex.git
git clone git://review.tizen.org/unmodified/sqlite3.git

http://v4l2spec.bytesex.org/spec/

 

Video for Linux Two API Specification

Revision 0.24

Michael H Schimek

            
          

Bill Dirks

Hans Verkuil

Martin Rubli

Copyright © 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Bill Dirks, Michael H. Schimek, Hans Verkuil, Martin Rubli

This document is copyrighted © 1999-2008 by Bill Dirks, Michael H. Schimek, Hans Verkuil and Martin Rubli.

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.1 or any later version published by the Free Software Foundation; with no Invariant Sections, with no Front-Cover Texts, and with no Back-Cover Texts. A copy of the license is included in the appendix entitled "GNU Free Documentation License".

Programming examples can be used and distributed without restrictions.

Table of Contents
Introduction
1. Common API Elements
1.1. Opening and Closing Devices
1.1.1. Device Naming
1.1.2. Related Devices
1.1.3. Multiple Opens
1.1.4. Shared Data Streams
1.1.5. Functions
1.2. Querying Capabilities
1.3. Application Priority
1.4. Video Inputs and Outputs
1.5. Audio Inputs and Outputs
1.6. Tuners and Modulators
1.6.1. Tuners
1.6.2. Modulators
1.6.3. Radio Frequency
1.6.4. Satellite Receivers
1.7. Video Standards
1.8. User Controls
1.9. Extended Controls
1.9.1. Introduction
1.9.2. The Extended Control API
1.9.3. Enumerating Extended Controls
1.9.4. Creating Control Panels
1.9.5. MPEG Control Reference
1.9.6. Camera Control Reference
1.10. Data Formats
1.10.1. Data Format Negotiation
1.10.2. Image Format Enumeration
1.11. Image Cropping, Insertion and Scaling
1.11.1. Cropping Structures
1.11.2. Scaling Adjustments
1.11.3. Examples
1.12. Streaming Parameters
2. Image Formats
2.1. Standard Image Formats
2.2. Colorspaces
2.3. Indexed Format
2.4. RGB Formats
Packed RGB formats -- Packed RGB formats
V4L2_PIX_FMT_SBGGR8 ('BA81') -- Bayer RGB format
V4L2_PIX_FMT_SBGGR16 ('BA82') -- Bayer RGB format
2.5. YUV Formats
Packed YUV formats -- Packed YUV formats
V4L2_PIX_FMT_GREY ('GREY') -- Grey-scale image
V4L2_PIX_FMT_Y16 ('Y16 ') -- Grey-scale image
V4L2_PIX_FMT_YUYV ('YUYV') -- Packed format with ½ horizontal chroma resolution, also known as YUV 4:2:2
V4L2_PIX_FMT_UYVY ('UYVY') -- Variation of V4L2_PIX_FMT_YUYV with different order of samples in memory
V4L2_PIX_FMT_Y41P ('Y41P') -- Format with ¼ horizontal chroma resolution, also known as YUV 4:1:1
V4L2_PIX_FMT_YVU420 ('YV12'), V4L2_PIX_FMT_YUV420 ('YU12') -- Planar formats with ½ horizontal and vertical chroma resolution, also known as YUV 4:2:0
V4L2_PIX_FMT_YVU410 ('YVU9'), V4L2_PIX_FMT_YUV410 ('YUV9') -- Planar formats with ¼ horizontal and vertical chroma resolution, also known as YUV 4:1:0
V4L2_PIX_FMT_YUV422P ('422P') -- Format with ½ horizontal chroma resolution, also known as YUV 4:2:2. Planar layout as opposed to V4L2_PIX_FMT_YUYV
V4L2_PIX_FMT_YUV411P ('411P') -- Format with ¼ horizontal chroma resolution, also known as YUV 4:1:1. Planar layout as opposed to V4L2_PIX_FMT_Y41P
V4L2_PIX_FMT_NV12 ('NV12'), V4L2_PIX_FMT_NV21 ('NV21') -- Formats with ½ horizontal and vertical chroma resolution, also known as YUV 4:2:0. One luminance and one chrominance plane with alternating chroma samples as opposed to V4L2_PIX_FMT_YVU420
2.6. Compressed Formats
2.7. Reserved Format Identifiers
3. Input/Output
3.1. Read/Write
3.2. Streaming I/O (Memory Mapping)
3.3. Streaming I/O (User Pointers)
3.4. Asynchronous I/O
3.5. Buffers
3.5.1. Timecodes
3.6. Field Order
4. Interfaces
4.1. Video Capture Interface
4.1.1. Querying Capabilities
4.1.2. Supplemental Functions
4.1.3. Image Format Negotiation
4.1.4. Reading Images
4.2. Video Overlay Interface
4.2.1. Querying Capabilities
4.2.2. Supplemental Functions
4.2.3. Setup
4.2.4. Overlay Window
4.2.5. Enabling Overlay
4.3. Video Output Interface
4.3.1. Querying Capabilities
4.3.2. Supplemental Functions
4.3.3. Image Format Negotiation
4.3.4. Writing Images
4.4. Video Output Overlay Interface
4.4.1. Querying Capabilities
4.4.2. Framebuffer
4.4.3. Overlay Window and Scaling
4.4.4. Enabling Overlay
4.5. Codec Interface
4.6. Effect Devices Interface
4.7. Raw VBI Data Interface
4.7.1. Querying Capabilities
4.7.2. Supplemental Functions
4.7.3. Raw VBI Format Negotiation
4.7.4. Reading and writing VBI images
4.8. Sliced VBI Data Interface
4.8.1. Querying Capabilities
4.8.2. Supplemental Functions
4.8.3. Sliced VBI Format Negotiation
4.8.4. Reading and writing sliced VBI data
4.9. Teletext Interface
4.10. Radio Interface
4.10.1. Querying Capabilities
4.10.2. Supplemental Functions
4.10.3. Programming
4.11. RDS Interface
I. Function Reference
V4L2 close() -- Close a V4L2 device
V4L2 ioctl() -- Program a V4L2 device
ioctl VIDIOC_CROPCAP -- Information about the video cropping and scaling abilities
ioctl VIDIOC_DBG_G_REGISTER, VIDIOC_DBG_S_REGISTER -- Read or write hardware registers
ioctl VIDIOC_ENCODER_CMD, VIDIOC_TRY_ENCODER_CMD -- Execute an encoder command
ioctl VIDIOC_ENUMAUDIO -- Enumerate audio inputs
ioctl VIDIOC_ENUMAUDOUT -- Enumerate audio outputs
ioctl VIDIOC_ENUM_FMT -- Enumerate image formats
ioctl VIDIOC_ENUM_FRAMESIZES -- Enumerate frame sizes
ioctl VIDIOC_ENUM_FRAMEINTERVALS -- Enumerate frame intervals
ioctl VIDIOC_ENUMINPUT -- Enumerate video inputs
ioctl VIDIOC_ENUMOUTPUT -- Enumerate video outputs
ioctl VIDIOC_ENUMSTD -- Enumerate supported video standards
ioctl VIDIOC_G_AUDIO, VIDIOC_S_AUDIO -- Query or select the current audio input and its attributes
ioctl VIDIOC_G_AUDOUT, VIDIOC_S_AUDOUT -- Query or select the current audio output
ioctl VIDIOC_G_CHIP_IDENT -- Identify the chips on a TV card
ioctl VIDIOC_G_CROP, VIDIOC_S_CROP -- Get or set the current cropping rectangle
ioctl VIDIOC_G_CTRL, VIDIOC_S_CTRL -- Get or set the value of a control
ioctl VIDIOC_G_ENC_INDEX -- Get meta data about a compressed video stream
ioctl VIDIOC_G_EXT_CTRLS, VIDIOC_S_EXT_CTRLS, VIDIOC_TRY_EXT_CTRLS -- Get or set the value of several controls, try control values
ioctl VIDIOC_G_FBUF, VIDIOC_S_FBUF -- Get or set frame buffer overlay parameters
ioctl VIDIOC_G_FMT, VIDIOC_S_FMT, VIDIOC_TRY_FMT -- Get or set the data format, try a format
ioctl VIDIOC_G_FREQUENCY, VIDIOC_S_FREQUENCY -- Get or set tuner or modulator radio frequency
ioctl VIDIOC_G_INPUT, VIDIOC_S_INPUT -- Query or select the current video input
ioctl VIDIOC_G_JPEGCOMP, VIDIOC_S_JPEGCOMP -- 
ioctl VIDIOC_G_MODULATOR, VIDIOC_S_MODULATOR -- Get or set modulator attributes
ioctl VIDIOC_G_OUTPUT, VIDIOC_S_OUTPUT -- Query or select the current video output
ioctl VIDIOC_G_PARM, VIDIOC_S_PARM -- Get or set streaming parameters
ioctl VIDIOC_G_PRIORITY, VIDIOC_S_PRIORITY -- Query or request the access priority associated with a file descriptor
ioctl VIDIOC_G_SLICED_VBI_CAP -- Query sliced VBI capabilities
ioctl VIDIOC_G_STD, VIDIOC_S_STD -- Query or select the video standard of the current input
ioctl VIDIOC_G_TUNER, VIDIOC_S_TUNER -- Get or set tuner attributes
ioctl VIDIOC_LOG_STATUS -- Log driver status information
ioctl VIDIOC_OVERLAY -- Start or stop video overlay
ioctl VIDIOC_QBUF, VIDIOC_DQBUF -- Exchange a buffer with the driver
ioctl VIDIOC_QUERYBUF -- Query the status of a buffer
ioctl VIDIOC_QUERYCAP -- Query device capabilities
ioctl VIDIOC_QUERYCTRL, VIDIOC_QUERYMENU -- Enumerate controls and menu control items
ioctl VIDIOC_QUERYSTD -- Sense the video standard received by the current input
ioctl VIDIOC_REQBUFS -- Initiate Memory Mapping or User Pointer I/O
ioctl VIDIOC_STREAMON, VIDIOC_STREAMOFF -- Start or stop streaming I/O
V4L2 mmap() -- Map device memory into application address space
V4L2 munmap() -- Unmap device memory
V4L2 open() -- Open a V4L2 device
V4L2 poll() -- Wait for some event on a file descriptor
V4L2 read() -- Read from a V4L2 device
V4L2 select() -- Synchronous I/O multiplexing
V4L2 write() -- Write to a V4L2 device
5. V4L2 Driver Programming
6. Changes
6.1. Differences between V4L and V4L2
6.1.1. Opening and Closing Devices
6.1.2. Querying Capabilities
6.1.3. Video Sources
6.1.4. Tuning
6.1.5. Image Properties
6.1.6. Audio
6.1.7. Frame Buffer Overlay
6.1.8. Cropping
6.1.9. Reading Images, Memory Mapping
6.1.10. Reading Raw VBI Data
6.1.11. Miscellaneous
6.2. Changes of the V4L2 API
6.2.1. Early Versions
6.2.2. V4L2 Version 0.16 1999-01-31
6.2.3. V4L2 Version 0.18 1999-03-16
6.2.4. V4L2 Version 0.19 1999-06-05
6.2.5. V4L2 Version 0.20 (1999-09-10)
6.2.6. V4L2 Version 0.20 incremental changes
6.2.7. V4L2 Version 0.20 2000-11-23
6.2.8. V4L2 Version 0.20 2002-07-25
6.2.9. V4L2 in Linux 2.5.46, 2002-10
6.2.10. V4L2 2003-06-19
6.2.11. V4L2 2003-11-05
6.2.12. V4L2 in Linux 2.6.6, 2004-05-09
6.2.13. V4L2 in Linux 2.6.8
6.2.14. V4L2 spec erratum 2004-08-01
6.2.15. V4L2 in Linux 2.6.14
6.2.16. V4L2 in Linux 2.6.15
6.2.17. V4L2 spec erratum 2005-11-27
6.2.18. V4L2 spec erratum 2006-01-10
6.2.19. V4L2 spec erratum 2006-02-03
6.2.20. V4L2 spec erratum 2006-02-04
6.2.21. V4L2 in Linux 2.6.17
6.2.22. V4L2 spec erratum 2006-09-23 (Draft 0.15)
6.2.23. V4L2 in Linux 2.6.18
6.2.24. V4L2 in Linux 2.6.19
6.2.25. V4L2 spec erratum 2006-10-12 (Draft 0.17)
6.2.26. V4L2 in Linux 2.6.21
6.2.27. V4L2 in Linux 2.6.22
6.2.28. V4L2 in Linux 2.6.24
6.2.29. V4L2 in Linux 2.6.25
6.3. Relation of V4L2 to other Linux multimedia APIs
6.3.1. X Video Extension
6.3.2. Digital Video
6.3.3. Audio Interfaces
6.4. Experimental API Elements
6.5. Obsolete API Elements
A. Video For Linux Two Header File
B. Video Capture Example
C. GNU Free Documentation License
C.1. 0. PREAMBLE
C.2. 1. APPLICABILITY AND DEFINITIONS
C.3. 2. VERBATIM COPYING
C.4. 3. COPYING IN QUANTITY
C.5. 4. MODIFICATIONS
C.6. 5. COMBINING DOCUMENTS
C.7. 6. COLLECTIONS OF DOCUMENTS
C.8. 7. AGGREGATION WITH INDEPENDENT WORKS
C.9. 8. TRANSLATION
C.10. 9. TERMINATION
C.11. 10. FUTURE REVISIONS OF THIS LICENSE
C.12. Addendum
List of Types
References
List of Figures
1-1. Image Cropping, Insertion and Scaling
3-1. Field Order, Top Field First Transmitted
3-2. Field Order, Bottom Field First Transmitted
4-1. Line synchronization
4-2. ITU-R 525 line numbering (M/NTSC and M/PAL)
4-3. ITU-R 625 line numbering
List of Examples
1-1. Information about the current video input
1-2. Switching to the first video input
1-3. Information about the current audio input
1-4. Switching to the first audio input
1-5. Information about the current video standard
1-6. Listing the video standards supported by the current input
1-7. Selecting a new video standard
1-8. Enumerating all controls
1-9. Changing controls
1-10. Resetting the cropping parameters
1-11. Simple downscaling
1-12. Selecting an output area
1-13. Current scaling factor and pixel aspect
2-1. ITU-R Rec. BT.601 color conversion
2-1. V4L2_PIX_FMT_BGR24 4 × 4 pixel image
2-1. V4L2_PIX_FMT_SBGGR8 4 × 4 pixel image
2-1. V4L2_PIX_FMT_SBGGR16 4 × 4 pixel image
2-1. V4L2_PIX_FMT_GREY 4 × 4 pixel image
2-1. V4L2_PIX_FMT_Y16 4 × 4 pixel image
2-1. V4L2_PIX_FMT_YUYV 4 × 4 pixel image
2-1. V4L2_PIX_FMT_UYVY 4 × 4 pixel image
2-1. V4L2_PIX_FMT_Y41P 8 × 4 pixel image
2-1. V4L2_PIX_FMT_YVU420 4 × 4 pixel image
2-1. V4L2_PIX_FMT_YVU410 4 × 4 pixel image
2-1. V4L2_PIX_FMT_YUV422P 4 × 4 pixel image
2-1. V4L2_PIX_FMT_YUV411P 4 × 4 pixel image
2-1. V4L2_PIX_FMT_NV12 4 × 4 pixel image
3-1. Mapping buffers
3-2. Initiating streaming I/O with user pointers
4-1. Finding a framebuffer device for OSD


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