v4l-utils-1.16.6

#### Beyond Linux® From Scratch (systemd Edition) - Version 9.0

### Chapter 42. Multimedia Libraries and Drivers

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# v4l-utils-1.16.6

## Introduction to v4l-utils

v4l-utils provides a series of utilities for media devices, allowing to handle the proprietary formats available at most webcams (libv4l), and providing tools to test V4L devices.

This package is known to build and work properly using an LFS-9.0 platform.

### Package Information

- Download (HTTP): https://www.linuxtv.org/downloads/v4l-utils/v4l-utils-1.16.6.tar.bz2

- Download MD5 sum: 33892600fde632f428b807adda5e7402

- Download size: 1.8 MB

- Estimated disk space required: 90 MB

- Estimated build time: 0.5 SBU (using parallelism=4)

### v4l-utils Dependencies

#### Required

LLVM-8.0.1 (with target BPF)

#### Recommended

alsa-lib-1.1.9, GLU-9.0.1, libjpeg-turbo-2.0.2, and Qt-5.13.0

#### Optional

Doxygen-1.8.16 and SDL2-2.0.10

User Notes: http://wiki.linuxfromscratch.org/blfs/wiki/v4l-utils

## Installation of v4l-utils

Install v4l-utils by running the following commands:

    ./configure --prefix=/usr     \
                --sysconfdir=/etc \
                --disable-static  &&
    make

This package does not come with a testsuite.

Now, as the `root` user:

    make install

## Contents

Installed Programs: cec-compliance, cec-ctl, cec-follower, cx18-ctl, decode_tm6000, dvb-fe-tool, dvb-format-convert, dvbv5-daemon, dvbv5-scan, dvbv5-zap, ir-ctl, ir-keytable, ivtv-ctl, media-ctl, qv4l2, rds-ctl, v4l2-compliance, v4l2-ctl, v4l2-dbg, and v4l2-sysfs-path
Installed Library: libdvbv5.so, libv4l1.so, libv4l2.so, libv4l2rds.so, libv4lconvert.so, v4l1compat.so, and v4l2convert.so
Installed Directories: /etc/rc_keymaps, /lib/udev/rc_keymaps, /usr/include/libdvbv5, and /usr/lib/libv4l

### Short Descriptions

cx18-ctl | is a tool to handle cx18 based devices.
decode_tm6000 | decodes multiplexed formats from TM5600/TM6000 USB devices.
dvb-fe-tool | is a command line tool for digital TV services.
dvb-format-convert | is a tool meant to convert among different file formats. It is compliant with version 5 of the DVB API.
dvbv5-scan | is a command line frequency scanning tool for digital TV services that are compliant with version 5 of the DVB API.
dvbv5-zap | is a command line tuning tool for digital TV services that is compliant with version 5 of the DVB API.
ir-keytable | is a tool that lists the Remote Controller devices, allows one to get/set IR keycode/scancode tables, test events generated by IR, and to adjust other Remote Controller options.
ivtv-ctl | is a utility that can control many card settings, like changing the inputs from tuner to svideo or composite, setting video resolution or changing video mode (PAL, SECAM, NTSC).
media-ctl | is a utility used to configure V4L2 devices.
qv4l2 | is used to test video4linux capture devices.
rds-ctl | is a utility for decoding raw RDS data from V4L2 Radio devices and offers simple ways to access the received RDS information.
v4l2-compliance | is a compliance test tool.
v4l2-ctl | is a tool to control v4l2 controls from the cmdline.
v4l2-dbg | is a tool to directly get and set registers of v4l2 devices.
v4l2-sysfs-path | checks the media devices installed on a machine and the corresponding device nodes.

Last updated on 2019-08-18 18:01:59 -0700

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