ChangeLog

v4l2loopback (0.12.7) unstable; urgency=medium

  [ IOhannes m zmölnig ]
  * Add explicit format specifier to printf() invocations

  [ Andreas Beckmann ]
  * REMAKE_INITRD is deprecated in dkms 3
  * Do not attempt to build modules for kernels without CONFIG_VIDEO_V4L2

  [ Dimitri John Ledkov ]
  * Fixup obsolete module init/exit

  [ You-Sheng Yang ]
  * dev: initialize per opener v4l2_fh
  * event: install event (un)subscribe hook
  * compliance: fix enum frame sizes/intervals errors
  * compliance: fix "fmtdesc.type was modified" error
  * UBUNTU: SAUCE: coverity: fix null pointer dereference

  [ Tim Gardner ]
  * Fix unchecked return value in vidioc_s_fmt_out()
  * Fix resource leak in v4l2_loopback_open()
  * Fix NULL dereference in free_buffers()

  [ Erich Eickmeyer ]
  * Don't fail if allocating 0-sized buffers

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Wed, 05 Aug 2022 00:24:03 +0200

v4l2loopback (0.12.6) unstable; urgency=medium

  * Add explicit format specifier to printf() invocations

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Sun, 03 Aug 2020 13:15:02 +0200

v4l2loopback (0.12.5) unstable; urgency=medium

  [ Joan Bruguera ]
  * Fix build in Linux 5.7-rc1 due to symbol name changes

  [ IOhannes m zmölnig ]
  * Simplify set/clear of V4L2_CAP_DEVICE_CAPS in querycaps
  * Use temp-var for capabilities
  * Also set vdev->device_caps

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Sun, 19 Apr 2020 19:06:09 +0200

v4l2loopback (0.12.4) unstable; urgency=medium

  [ Alex Xu (Hello71) ]
  * Use v4l2_buffer ptr instead of timeval (Compat with linux-5.6)

  [ tongdaxu ]
  * Add example that loops over YUV frames infinitely

  [ Thomas Hutterer ]
  * Document 'exclusive_caps' mode option (and some markdown fixes)

  [ IOhannes m zmölnig ]
  * Set the default number of buffers to 2
  * Print "SUCCESS" message on installation success
  * Drop cast to (time_t)
  * Document 'exclusive_caps' mode option (and some more markdown fixes)

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Thu, 09 Apr 2020 22:09:28 +0200

v4l2loopback (0.12.3) unstable; urgency=medium

  [ Ricardo Ribalda Delgado ]
  * v4l2lookback: Port to kernel 5.4+

  [ IOhannes m zmölnig ]
  * Set video_device->device_caps for linux>4.7.0
  * Set some more device_caps
  * Update issue templates

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Fri, 06 Dec 2019 18:27:25 +0100

v4l2loopback (0.12.2) unstable; urgency=medium

  [ wuweixin ]
  * Update README.md

  [ Theodore Cipicchio ]
  * Replace v4l2_get_timestamp with ktime_get_ts(64)

  [ IOhannes m zmölnig ]
  * Mention support for 5.0.0
  * Fix typo

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Mon, 27 May 2019 20:32:08 +0200

v4l2loopback (0.12.1) unstable; urgency=medium

  [ IOhannes m zmölnig ]
  * Fix permission of source code files
  * Initialize variables
  * Use %u to print size_t
  * Improve coding style by removing unused variables
  * More coding style fixes
  * Use GStreamer-1.0 caps in the documentation
  * Gst1.0 compat for example-script
  * Protect VP9 and HEVC by #ifdef guards

  [ Andrii Danyleiko ]
  * Fix typo

  [ Kai Kang ]
  * Replace do_gettimeofday with v4l2_get_timestamp for linux-5 compat

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Wed, 23 Jan 2019 21:59:29 +0100

v4l2loopback (0.12.0) unstable; urgency=medium

  [ WaleedTageldeen ]
  * Adding support for NV12 as per umlaeute/v4l2loopback#169

  [ Jon Morley ]
  * v4l2loopback.c: Update error message in buf read to reflect actual copy call.

  [ IOhannes m zmölnig ]
  * Use kernel-version to determine whether we should set vfl_dir
  * sign releases and add a message
  * Support for 8bit bayer
  * moved bayer-formats into "packed formats" section

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Mon, 02 Jul 2018 12:27:29 +0200

v4l2loopback (0.11.0) unstable; urgency=medium

  [ Nick Sarnie ]
  * Adapted to new kernel timer API

  [ Attila Tőkés ]
  * Avoid setting dev->ready_for_output and opener->type on get/try calls
  * Allow input enumeration, even when exclusive_caps=1 and no input provided yet

  [ Todor Minchev ]
  * Makefile: remove depmod call in modules_install target

  [ Michel Promonet ]
  * Added format VP9 & HEVC

  [ IOhannes m zmölnig ]
  * Simplified HAVE_TIMER_SETUP clauses
  * Fixed format output to sysfs
  * Removed trailing whitespace
  * Updated README
    * Added `depmod -a` calls to the documentation
    * Fixed omitted word
  * [github] Added issue template for new reports
    * please don't post images in the issue-tracker

 -- IOhannes m zmölnig <zmoelnig@umlaeute.mur.at>  Tue, 06 Mar 2018 10:05:11 +0100

v4l2loopback (0.10.0) unstable; urgency=medium

  [ Paul Brook ]
  * Use consistent device names

  [ Michel Promonet ]
  * Initialize bytesused in buffer processing write and use it processing read

  [ Kurt Kiefer ]
  * Initialize bytesused also on output VIDIOC_QBUF.
  * Preserve output VIDIOC_QBUF timestamp if present

  [ IOhannes m zmölnig ]
  * switch ctl-script to GStreamer-1.0
  * move braces into #ifdef block
  * use late_initcall() when not built as module
  * Disable exclusive_caps by *default*
  * Removed deprecated current_norm

  [ George Chriss ]
  * Directly set v4l2 buffer flags as v4l2 documentation (note difference vs. internal v4l2l buffers) Hopefully closes: https://github.com/umlaeute/v4l2loopback/issues/60
  * Build typo: change b->flags to buf->flags

  [ Gavin.Qiu ]
  * Fix bug that return wrong buffer index when dequeue

  [ IOhannes m zmölnig ]
  * Added more AUTHORS
  * Updated README (compat, copyright and cosmetics)

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Fri, 02 Dec 2016 22:00:27 +0100

v4l2loopback (0.9.1) unstable; urgency=medium

  * Fixed module version

 -- IOhannes m zmölnig (Debian/GNU) <umlaeute@debian.org>  Wed, 03 Jun 2015 19:47:23 +0200

v4l2loopback (0.9.0) unstable; urgency=medium

  [ IOhannes m zmölnig ]
  * formats
    * support more formats
    * support compressed formats
    * move formats-enumeration to separate file
    * tools to implement missing formats
  * controls
    * disable deprecated vidioc_*ctrl callbacks
    * register custom-controls
    * use ctrl_config information in (deprecated) queryctrl
  * fixed bugs
    * used static code analysis to find more bugs
    * more error checking
    * check timeperframe before setting it (Closes: #61)
    * make MAX_DEVICES/TIMEOUT/BUFFERS settable during build-process (Closes: #55)
    * check for errors returned by get_capture_buffer()
    * check whether there is at least 1 requestbuffer
    * unsigned comparision against <0
    * avoid setting b->count to negative/null
    * ...
  * fixed typos
  * code formatting
  * standards compliancy
    * standard-conformant bus_info
    * pretend to not support {G,S,ENUM}_{IN,OUT}PUT depending on state
    * only pretend to not support IN/OUTPUT enumeration in exclusive-caps mode
  * test programs
    * for (de)queuing buffers
    * for writing interlaced video
  * compatibility with newer kernels
  * compatibility with older kernels
  * Updated documentation
  * Removed GFDL document
    * note where to get API documentation

  [ tatokis ]
  * Updated v4l2loopback.c to compile on >= 3.18 kernel

  [ tz ]
  * add ondemandcam

  [ Yusuke Ohshima ]
  * Fix issue #79

  [ Tasos Sahanidis ]
  * Fix for kernel 4.0

 -- IOhannes m zmölnig <zmoelnig@umlaeute.mur.at>  Tue, 02 Jun 2015 19:58:39 +0200

v4l2loopback (0.8.0) unstable; urgency=medium

  [ Dmitry Eremin ]
  * Add DKMS support.

  [ Angus McInnes ]
  * Make vidioc_g_fmt_out not change the format
  * Set correct output buffer type in vidioc_dqbuf

  [ Javier Infante ]
  * Added card_labels option when loading module.

  [ IOhannes m zmölnig ]
  * renamed 'card_labels' to 'card_label'
  * removed '-e' flag from call to 'depmod' (needs '-E' or '-F')
  * auto-detect new version
  * auto-update dkms.conf to new version

 -- IOhannes m zmölnig <zmoelnig@iem.at>  Tue, 10 Dec 2013 18:12:15 +0100

v4l2loopback (0.7.1) unstable; urgency=low

  [ Aidan Thornton ]
  * Linux 3.11 compatibility fix

  [ IOhannes m zmölnig ]
  * trying to keep pre-2.6.29 compatibility

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Mon, 16 Sep 2013 09:55:51 +0200

v4l2loopback (0.7.0) unstable; urgency=low

  [ IOhannes m zmölnig ]
  * don't implement STD-ioctls
  * Revert "dummy audio ioctl's that return EINVAL"
  * disable more STD-stuff based on V4L2LOOPBACK_WITH_STD
  * don't announce all caps capabilities
  * only announce capture/output capabilities if possible
  * 'exclusive_caps' parameter to control caps announcment
  * avoid duplicate setting of cardname
  * break lines
  * remove commented out code
  * updated AUTHORS information
  * fixed ChangeLog for 0.6.1
  * updated NEWS for last releases

  [ Anatolij Gustschin ]
  * fix missing spin lock init
  * add newlines to debug statements

  [ Hans Verkuil ]
  * reformatting to kernel-standards

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Fri, 07 Jun 2013 11:24:34 +0200

v4l2loopback (0.6.3) unstable; urgency=low

  [ Ted Mielczarek ]
  * Fill in the "v4l2_capability::bus_info" field (Closes: #30)

  [ IOhannes m zmölnig ]
  * make "v4l2_capability::card" unique per device (Closes: #37)
  * fill in "video_device::vfl_dir" field on newer kernels (Closes: #35)
  * always provide format-string when using printf()
  * fixing update-changelog script

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Tue, 05 Feb 2013 10:03:28 +0100

v4l2loopback (0.6.2) unstable; urgency=low

  [ IOhannes m zmölnig ]
  * provide our own v4l2l_vzalloc
  * added missing includes
  * create unique names for the various devices
  * more verbose debugging output when capture DQBUF fails

  [ Anton Novikov ]
  * make v4l2loopback.ko a PHONY target
  * restarting-writer.sh runs on Ubuntu 11.10
  * warning about disabled timeout when setting image
  * readpos2index -> bufpos2index
  * test different queue-sizes in restarting-writer.sh
  * fix buffer indices before dev->used_buffers update
  * fix ctl script (was hardcoded /dev/video0)

  [ yukkeorg ]
  * Fix error on compile in Linux kernel 3.6.1.

 -- IOhannes m zmoelnig <zmoelnig@umlaeute.mur.at>  Tue, 23 Oct 2012 14:38:02 +0200

v4l2loopback (0.6.1) UNRELEASED; urgency=low

  [ IOhannes m zmoelnig ]
  * Makefile fixes for debian

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Fri, 27 Apr 2012 17:22:25 +0200

v4l2loopback (0.6.0) UNRELEASED; urgency=low

  [ IOhannes m zmölnig ]
  * added direct link to wiki
  * fixed typos
  * check for (devices<0) rather than (devices==-1)

  [ Anton Novikov ]
  * add .gitignore files
  * add 'format' sysfs attr
  * remove 'fourcc' sysfs attr
  * 'keep_format' ctrl
  * set_timeperframe(), dev->frame_jiffies
  * 'sustain_framerate' ctrl
  * add examples/restarting-writer.sh
  * reset write_position only when !ready_for_capture
  * handle arbitrary output QBUF index order
  * 'timeout' ctrl
  * add ability to do i/o on placeholder picture buf
  * add v4l2loopback-ctl script
  * installing v4l2loopback-ctl
  * fix dequeuing unused buffers
  * timeout_image_io cleaner memory handling
  * some documentation on controls
  * some v4l2loopback-ctl syntax&doc tweaks

  [ IOhannes m zmölnig ]
  * moved utility into utils/
  * Updated copyright notice
  * use max image size to prevent insane allocations
  * in-code documentation of the format string
  * fixed description of 'debug' option
  * fixed closing comment
  * allow to set the max.framesize via module parameters
  * renamed 'v4l2loopback' target to 'v4l2loopback.ko'
  * added install-utils target

  [ Anton Novikov ]
  * script bugfix
  * v4l2loopback-ctl set-fps
  * more README

  [ IOhannes m zmölnig ]
  * initialize list in all cases
  * notes on how to do kernel-debugging
  * when dying, write to stderr
  * check for applications before using them
  * fix usage/version to make it fit for help2man
  * manpage for v4l2loopback-ctl
  * placeholder
  * simplified description
  * build and install manpages
  * deleted manage (it's generated automatically)
  * updated in-module AUTHORs
  * debugging printout
  * don't try to force a given format
  * clarify README about default device in ./test

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Fri, 27 Apr 2012 09:29:52 +0200

v4l2loopback (0.5.0) UNRELEASED; urgency=low

  [ IOhannes m zmölnig ]
  * more (and better) debugging output
  * stefan diewald's ENUM_FRAMESIZES fix
  * simplifified framesize enumeration
  * stefan diewald's ENUM_FRAMEINTERVAL implementations
  * stefan diewald's buffer request logic
  * added Stefan Diewald to the authors
  * use sudo to rmmod/insmod kernel modules in Makefile
  * use unlocked_ioctl as suggested by salsaman
  * provide macros to simplify sysfs attrfile creation
  * added deviceattributes
  * implemented "video_nr" parameter to manually force device IDs
  * dummy audio ioctl's that return EINVAL
  * better output enumeration/format handling
  * trying to improve handling of std's
  * improve readability of vidioc_g_output
  * added note about video_nr param
  * fixed memleaks
  * allow per-device "max_openers" settings
  * warn if illegal number of max_openers is requested
  * prefix posts with "v4l2loopback"

  [ IOhannes m zmoelnig ]
  * simplistic ChangeLog generator

 -- zmoelnig <zmoelnig@umlautO.umlaeute>  Tue, 27 Dec 2011 19:01:25 +0100

v4l2loopback (0.4.1) UNRELEASED; urgency=low

  [ IOhannes m zmölnig ]
  * yuv4mpeg producer to be used in conjunction with mplayer
  * added yuv4mpeg_to_v4l2 to the build targets
  * simplified Makefile; added clean target
  * protect newer pixel formats
  * fixed preprocessor expansion on linux<2.6.32
  * made it compile on 2.6.28 and 2.6.27
  * <=2.6.27 definitely won't work
  * allow S_PARM for fps
  * renamed opener->position to opener->read_position
  * added dummy VIDIOC_QUERYCTRL implementation (fix for linux-3.1)

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Thu, 24 Nov 2011 18:11:01 +0100

v4l2loopback (0.4.0) UNRELEASED; urgency=low

  [ IOhannes m zmölnig ]
  * default debug-level should be 0
  * cleanup version confusion
  * changed version to 0.3.0
  * updated README to mention Debian packages
  * better internal format representation (as found in bttv-drivers) - still unused
  * trying to support I420 --- might be very unstable right now
  * dummy Makefile to allow "make"
  * allow to set device from cmdline
  * en/disable the readback test using defines
  * use FRAME_SIZE throughout
  * more experiments
  * more debugging messages
  * added rule to autoload the new v4l2loopback device
  * rewrote most of the mmap part in order to support I420
  * cleanup to make it C90 compliant again
  * reordered formats a bit to make better default choices...
  * replace vloopback by v4l2loopback to avoid confusion
  * cleaned up code
  * properly initialize the timestampe in order to guarantee a monotic series
  * updated copyright
  * bumped to version 0.4.0

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Tue, 29 Mar 2011 12:54:23 +0200

v4l2loopback (0.3) UNRELEASED; urgency=low

  [ IOhannes m zmölnig ]
  * note on why gstreamer v4l2sink fails to write to such a device
  * enum_framesizes and enum_fmt_caps
  * hmm, this makes it more crashy than better
  * enable additional ioctls (eg. enum_output)
  * fixed typo: USAGE instead of USEAGE
  * remove stray #error
  * gcode reorganization; uniform comments
  * experiments with returning 0-size
  * offline documentation for v4l2
  * allow all kinds of formats during negotiation
  * comment on which fields to set
  * better support for setting formats
  * add note about using application's bytesperline
  * set type to WRITER when caller calls enum_fmt_out
  * removed TODO as it has been done already
  * indentation
  * hopefully a bit more intelligent buffer-reallocation strategy
  * extra safety checks
  * print fourcc in fmt-enum
  * fallback formats for try_fmt_out
  * nicer format descriptions
  * use defines for size-limits
  * return EBUSY when trying to set fmt in CAPTURE mode when not ready
  * properly implement querycap
  * bytes_used in the mmap may be smaller than the page-size
  * some dummy functions for video-std settings
  * debug-level: 1
  * terminate function call with ";"
  * getting rid of MEMLEAK warning (should be fixed now)
  * calculate bytesperline
  * only return dummy-format with G_FMT[out] when none has been set
  * nicer debugging
  * disable OVERLAY dummy
  * return 0-sized image by default
  * default max_buffers_number is 8
  * getting rid of my prefix
  * pushed to version 0.0.2
  * pumped to version 0.3

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Sun, 10 Oct 2010 21:12:38 +0200

v4l2loopback (0.2) UNRELEASED; urgency=low

  [ IOhannes m zmölnig ]
  * acces /dev/video0
  * variable number of pipes
  * nicer printout
  * proper cleanup
  * renamed "pipes" to "devices"
  * bumped version; added meself as co-author
  * removed files removed by "debian/rules clean"
  * removed examples
  * fixed debian/control debian/rules
  * postinst stuff
  * moved example into separate folder
  * MakefileS need not be executable
  * README, COPYING, AUTHORS
  * re-version to 0.2
  * updated README
  * added Vasily Levin to the authors
  * removed debian stuff
  * added a README for the test
  * added vasily.levin to the authors
  * included linux/slab.h
  * license issues: this module is GPLv2
  * added meself into the copyright header

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Sun, 10 Oct 2010 21:09:43 +0200

v4l2loopback (0.1) UNRELEASED; urgency=low

  [ gorinich.zmey ]
  * initial
  * first approach
  * removed autogenerated file
  * temproraly removed fps control and input from stdin handling
  * removed irrelevant changelog, changed readme
  * forgotten changes applued
  * modules.order delete
  * cleaned the mess with git-svn
  * added test file
  * added VIDIOC_G_PARM call
  * format handling improvment, current solution is a stub
  * temporarly removed mmap to keep code simple
  * compile fix
  * poll added, streaming started
  * small test refine
  * enum_input added
  * basic streaming, polish needed
  * first streaming working, mplayer gots a picture, yet crappy
  * readme add
  * readme rewrite
  * readme additions
  * mutex add
  * skype working
  * queue introduction, next step queue remove
  * first run is OK already
  * queues debugged
  * halfway of massive inner structure changes
  * compiles
  * pre multireader
  * style for linux kernel
  * indent
  * 80 width
  * module name changed and debianize start
  * debian
  * 2.6.28 support
  * almost works, just one bug left
  * debian
  * bug with two and more openers fixed
  * redebianized
  * removed files
  * license header add
  * freeing of unitialized pointer fixed, added nonblocking IO
  * sync with v4l-dvb tree
  * review responce
  * hans review
  * test improvments by Antonio Ospite
  * removed header
  * more small fixes

  [ Scott Maines ]
  * missing header for Fedora

 -- IOhannes m zmoelnig (gpg-key at iem) <zmoelnig@iem.at>  Sun, 10 Oct 2010 21:01:50 +0200