v4l2loopback (0.13.1) unstable; urgency=medium [ Max Harmathy ] * Avoid building utils with dkms [ IOhannes m zmölnig ] * 'release.sh' script + shellchecked + write back new version to v4l2loopback.h (if necessary) -- IOhannes m zmölnig (Debian/GNU) Tue, 19 Mar 2024 22:15:34 +0100 v4l2loopback (0.13.0) unstable; urgency=medium [ IOhannes m zmölnig ] * Set device_caps in init_vdev() for all kernel-versions (not just >4.7.0) * Don't set the V4L2_CAP_DEVICE_CAPS on device_caps * only set (struct video_device).device_caps on linux>=4.7.0 * pre-processor directives should be left-aligned * tabify * Drop obsolete ISSUE_TEMPLATE * Mention that people should do research before creating a new ticket * document that we expect people to do some research before creating a ticket * document that people must have a proper bulid-environment [ mpromonet ] * reset ready_for_capture flag processing VIDIOC_STREAMOFF [ IOhannes m zmölnig ] * redirect people for StackOverflow for general help. * rule to get the latest&greatest .clang-format for the linux-kernel * clang-format -i *.c *.h * fixed whitespace in comments and strings * use $() rather than `` * use more frames for setting caps. * document that GStreamer-1.0 is required (rather than GStreamer-0.10) * rename _SIZE_MAX_WIDTH to _SIZE_DEFAULT_MAX_WIDTH (same for HEIGHT) * Add clang-format target * comment formatting * switched v4l2_loopback_init() for a more complete v4l2_loopback_add() * per-device max_width/max_height * store card-label per device * copy newly created video-device back * indentation * use per-device name rather than the global ones * switching free_devices() to idr-iterator * getting rid of static number of devices... * limit card_label to 32 chars (like v4l2_capability->card) * make sure to neither exceed size of cap->card nor dev->card_label * prevent out-of-bounds access to exclusive_caps[] * less ambiguous wording when MAX_DEVICES is exceeded * allow device_nr > MAX_DEVICES * less verbose output * use video_nr for initial devices * macro for the default value of EXLCUSIVE_CAPS * reordered card_label calculation * fill default-values * return the used device number * move v4l2_loopback_config to a separate header * move IDR declaration to a better place. * drop devptr from v4l2_loopback_add * use "int" instead of "bool" for the public interface * now that exclusive_caps are int and can be negative, use that to ask for the default * use "err" instead of "ret" * implement /dev/v4l2loopback to dynamically create/remove devices * use a mutex to prevent concurrent access to the /dev/v4l2loopback device * check whether the device is currently open before closing it * v4l2_loopback_config.card_label now has a fixed size (32 bytes) * only return the device-number if device_add was successfull * added QUERY ioctl * sample application to add/delete/query devices on the fly * indentation * moved DEFINE_IDR/MUTEX *again* * "every" -> "each" * show default values in "modinfo" * Makefile for utils/ * don't assume that IDR matches the device-number * less verbose * print perror() if query fails * explicitely return ENOSYS for invalid ioctls * use "break" instead of "goto" * return EINVAL by default for valid ioctls * copy data from userspace instead of casting away * note that we need two device numbers * Add example udev rules. Thanks to Norman Rasmussen * formatting * perror() if query-after-add fails * only set device is the pointer is valid * (struct v4l2_loopback_config) now has both output_nr and capture_nr * adjust utility to (currently defunct) split CAPTURE/OUTPUT devices * document how to call /dev/v4l2loopback ioctls * gitignore .clang-format * don't export repo-configuration * mention that v4l2_loopback_config.announce_all_caps is to be going away * more specific rule for creating persistent names * rule to allow members of 'video' to change device-properties via sysfs * restructed usage() a bit * implement "set-fps" * also format code in utils/ * moved v4l2loopback version to header file * capitalize command enums * added "-h" and "-v" commands * SETFPS -> SET_FPS * dropped unused "fd" from set_fps call [ You-Sheng Yang ] * utils: respect CPPFLAGS from env vars [ Sakari Tanskanen ] * Allow reading buffered frames [ You-Sheng Yang ] * dev: initialize per opener v4l2_fh * event: install event (un)subscribe hook * event: support polling for events [ IOhannes m zmölnig ] * control more thingies * whitespace * Add documentation about using dkms. Thanks to Toon Verstraelen [ Toon Verstraelen ] * Document how to load the module at boot [ IOhannes m zmölnig ] * lower-case readme * Usde "If" rather than "When" [ IOhannes m zmoelnig ] * note that you cannot just load an old module into a new kernel (even if you built the module yourself). [ ilsi ] * Fix DKMS typos in README [ IOhannes m zmölnig ] * use a helper for showing short descriptions of commands * announce 'set-caps' and 'set-timeout-image' * re-formatted * allow some commands without a /dev/v4l2loopback device * "not implemented" is not the same as "unknown command" * announce the not-yet-implemented "get-fps" and "get-caps" commands * make commands static when possible * helper-function to get sysfs files * specify mode when opening a sysfs-file * close fd on error * implement get_fps * basic get_caps implementation * store fourcc as uint32_t * fixed help-display * rename get_ to open_ * properly display FOURCC when printing caps * re-factored caps-parsing into separate function * implement set_caps * less verbose * query default values before setting those we want to * clang-format * reverse arguments for set-* commands * draft implementation of set-timeout-image * proper ordering of arguments in help * remove printout * search for executable in PATH * comments * clang-format * v4l2loopback-ctl: support for adding split-devices * fixed spelling errors * v4l2loopback_private.devicenr -> .device_nr * remove debugging output * function to check for deprecated calls * wrap launching of external programs into separate function * TERM the child-process on receiving SIGINT; wait for child-process to cleanup * move helpers to top of file * TODO: we want to be able to set the timeout directly * helpers for getting/setting controls by name * have "set-timeout-image" set the 'timeout' and 'timeout_image_io' controls * allow setting of the timeout (TODO: parse args for timeout) * fix(?) GStreamer-pipeline for setting the timeout image * added 'default' clause to switch-statement * clang-format * build utils from master-makefile * factored device-opening into helper-function * handle "any" caps and set "keep_format" and "sustain_framerate" * resolve timeout-image to full path (and allow 4096 chars in paths) * track how many producers have opened the device * reformatting * close video-device before trying to set timeout-image [ You-Sheng Yang ] * event: fix backward compatibility to 3.16 * add GitHub Actions yaml * utils: use VIDIOC_QUERYCTRL for control name resolution * utils: fix error: 'for' loop initial declarations are only allowed in C99 mode [ IOhannes m zmölnig ] * improve parse-device to deal with /dev/v4l/by-*/* symlinks * keep alignment when running clang-format * moved fallback defines for V4L2_PIX_FMT_* to v4l2loopback_formats.h * modular help * set-timeout-image subcommand now takes a "-t " flag * less verbose * optional argument-check for called_deprecated() * check framerate-argument for "set_fps" * return success of subcommands * catch empty /sysfs/.../format (but don't complain loudly) * simplified caps-parsing * get-fps now falls back to querying the video-device's PARMs * use C-style comments for documentation * print error when GStreamer-style caps are detected * renamed "utils/v4l2loopback" to "utils/v4l2loopback-ctl" * replaced placeholder file with .gitignore * fixed help2man invocation * clean-target for utils * call utils' "clean" target when running "make clean" * use /dev/video0 throughough * update to new v4l2loopback-ctl syntax * Fixed upper-casing to standard English * note on changing module options * note on dynamic device management * make "changing options" a sub-item in the "options" chapter * grouping into chapters * more upper-casing [ You-Sheng Yang ] * ci: match known failures to kernel versions [ IOhannes m zmölnig ] * comment fixes * ctrl_handler_init/setup * note on why try_free_buffers() doesn't do harm if keep_format is true * dropped double "sudo" [ You-Sheng Yang ] * gitignore: add utils/v4l2loopback-ctl and v4l2loopback.mod [ IOhannes m zmölnig ] * automatically assign new-bugreports a default label/assignee * disable blank issues and redirect people to U&L resp the wiki * stackoverflow -> unix.stackexchange * also mention stackoverflow * use an imperative rather than a noun as the bug-report name. * pass number of args to help-functions * print known fourcc flags when calling 'set-caps' without arguments * clang-format * editorconfig [ Luigi Baldoni ] * Include header outside of struct definition [ Oleksandr Natalenko ] * confine v4l2loopback_cleanup_module [ IOhannes m zmölnig ] * fixed building of v4l2loopback-ctl in the aftermath of #389 * doc on how to develop with vagrant * slight re-ordering of struct-init * use module_init()/module_exit() rather than '#ifdef MODULE' * note on what to do if the VM freezes * drop MODULE_ALIAS("devname") * add args to vbox-restart * [ci] don't bail out on the first kernel that unexpectedly fails * [ci] if a build failed, accept that 'make clean' might fail as well... * [ci] mark all trusty kernels as known-bad [ Piotr Orzechowski ] * Fix the dkms install instructions in README.md [ IOhannes m zmölnig ] * [ci] renamed 'master' branch to 'main' * embrace Kbuild * fixed typo * use KBUILD_MODULES to detect Kbuild * [gh] fixes errors in the issue template * bumped copyright-dates in README * mention "SSL" in the troubleshooting section * fixed typos * more english style fixes * Fix scanf/printf formatting [ Tadayuki Okada ] * try to set requested colorspace [ You-Sheng Yang ] * coverity: fix unchecked return value * coverity: fix null pointer dereference [ IOhannes m zmölnig ] * don't fail if allocating 0-sized buffers [ a1346054 ] * use apt-get instead of aptitude * master branch was renamed to main * fix shellcheck warnings * unify codestyle * fix spelling * add missing final newline * trim excess whitespace * trim trailing whitespace [ Emil Velikov ] * dkms.conf: remove REMAKE_INITRD option [ bakedpotato191 ] * Add module_version macro [ Bechir Mghirbi ] * Adding support for RGBA32 (AB24) [ Jim Scarborough ] * Fix currentversion.sh to return the value [ IOhannes m zmölnig ] * made "currentversion.sh" script POSIX conformant * [ci] drop 'groovy'; add 'hirsuite' and 'impish' * [ci] dynamically generate Debian/Ubuntu releases to test * on Debian kernel-header packages have a different suffix... * guard V4L2_PIX_FMT_RGBA32 definition... * [ci] better check for installed kernel headers * clang format * [ci] show successfull builds [ Anatoli Babenia ] * README.md Add info how to check the device number [ IOhannes m zmölnig ] * inject snapshot-version in banner [ Benny Baumann ] * Limit v4l2_loopback_write calls to (streaming) writers * Simplify code by using upstream video_drvdata helper * Free module data on error * Initialize max_width/max_height relative to defaults * Off-by-one condition when retrieving defaults [ IOhannes m zmölnig ] * Make sure that only the boolean state of announce_all_caps is used. [ He1nMueck ] * Make free_buffers() return void. [ Benny Baumann ] * Reintroduce previous behavior for write call [ Jan-Ralf Meier ] * Check for negative index before proceeding [ Benny Baumann ] * Free module data on error [ Robert Geislinger ] * fixed possible bufferoverflow [ Alienmaster ] * simplify bufferoverflow checks [ IOhannes m zmölnig ] * indentation [ Alienmaster ] * added explicit cleanup on error [ IOhannes m zmölnig ] * removed superfluous check * only allocate_buffers() if buffer_size>0 [ Benny Baumann ] * Release memory on error in v4l2_loopback_open * Only reset timeout_image_io when open succeeds * Avoid redundant/conflicting casts [ Tobias Stoeckmann ] * attr_store_maxopener: Handle integer truncation [ Benny Baumann ] * Properly snprintf the device card label string into the capability query buffer * Avoid format string issue [ umläute ] * Create SECURITY.md [ IOhannes m zmölnig ] * add explicit format specifier to printf() invocations [ Sludge ] * Support `V4L2_PIX_FMT_ABGR32` format [ Tobias Stoeckmann ] * Fix warning with gcc 12 [ Jan-Ralf Meier ] * Fix return condition, due to EINVAL memory offset. [ IOhannes m zmölnig ] * Update release-script to work with any branch * Exclude repository config in source-tarballs * Backported dkms-patch from Ubuntu [ Oleksandr Natalenko ] * v4l2loopback: un-confine v4l2loopback_cleanup_module() [ IOhannes m zmölnig ] * quote FOURCC-codes to show the space [ Jianhui Dai ] * Reset V4L2_BUF_FLAG_MAPPED if use_count <= 0 * log pid for debug [ tudor ] * DKMS section clarification * too many empty lines [ You-Sheng Yang ] * Track active readers * Support V4L2_EVENT_PRI_CLIENT_USAGE [ Tobias Stoeckmann ] * Fix signed integer overflows in increments. [ Kate Hsuan ] * v4l2loopback: a new offset for V4L2_EVENT_PRI_CLIENT_USAGE [ IOhannes m zmölnig ] * Allow a minimum of 0 fps * clang-format * Propagate snapshot version to v4l2loopback-ctl * strip leading 'v' from git snapshot version * v4l2loopback-ctl: compat flag "--version" * calculate MODULE_VERSION from V4L2LOOPBACK_VERSION * use linux' __stringify * re-ordered 'struct v4l2_loopback_config' so "announce_all_caps" comes last * logging: move "pid(%d)" after the v4l2-loopback identifier * [ci] use Environment-File rather than set-output * Drop support for Linux<2.6.37 * v4l2loopback-ctl: print module version as well * [ci] Job for code-linting * [ci] Fixup lint-job * Re-formatted code with updated .clang-format * [ci] hardcode Debian's supported releases to their rolling names [ sanbrother ] * Fix compilation issues under AOSP [ mzihlmann ] * mutex lock access to outbufs_list in vidioc_dqbuf [ Asahi Lina ] * Revert "Fix signed integer overflows in increments." * Change the type of read_position and write_position to 64-bit [ IOhannes m zmölnig ] * Use separate spinlocks for protecting list access * Make VIDIOC_ENUMINPUT return V4L2_IN_ST_NO_SIGNAL if there's no producer * code formatting * Always protect access to dev->outbufs_list with the list_lock mutex * v4l2loopback-ctl help: use 'detail' level rather than 'brief' flag * help: reverse general form and example * codespell fixes * fix typo * add 'install' target for utils * clang-format * more gitignores * Bump copyright dates * simple test application for producing/consuming buffers * more debugging and a global buffer * set bufsize/bytesused when initializing buffers for MMAP * fix random; optionally set timestamp * try more... * stuff... * use DEFAULT colorspace * set V4L2_BUF_FLAG_TIMESTAMP_COPY flag when copying the buffer timestamp * more diagnostic output * refactor the TRY/S_FMT code * fix formatting warnings when printing timestamps * compat for older kernels * more clang-format * reversed compat logic * yikes, yet another typo * tests/consumer: make S_FMT errors non-fatal * prevent multiple output streams * set TIMESTAMP flags * G_FMT_CAP: only report failure if the format has not been fixated * script to check the output/capture formats of a device * V4L2LOOBACK_IS_FIXED_FMT() to check if the format is changeable * unify the output of vidioc_enum_fmt_* * set default framesize * allow setting of minimum width/height as well * v4l2loopback-ctl: allow setting of minimum framesize * clang-format * tests/producer: fix description of "-c" flag and linefeed * long-options for v4l2loopback-ctl * indentation * unset the timeout_image_io flag if allocating the timeout-image fails * only unset the timeout_image_io flag when requesting buffers for the timeout image * turn the "timeout_image_io" ctrl into a button * whitespace * fixate format with "keep_format" * report format via /sys if it is somehow FIXED * run timeout-image gst-pipeline through "tee" * add "--verbose" flag to "set-timeout-image" * prevent multiple readers to start streaming * indentation... * add /sys/devices/virtual/video4linux/video*/type interface * fix device_nr checks in V4L2LOOPBACK_CTL_QUERY * v4l2loopback-ctl: add "list" verb * v4l2loopback-ctl: escape special chars in device-names * refactored raw-string printout into helper function * v4l2loopback-ctl: align help * v4l2loopback-ctl: more escaping for device-name * v4l2loopback-ctl: add flags to "query" verb * v4l2loopback-ctl: streamline help [ Hans de Goede ] * v4l2loopback: Fixup bytesused field when writer sends a too large value [ IOhannes m zmölnig ] * fallback to dprintkrw() if dev_warn_ratelimited() is not available * rename sysfs-attribute "type" to "state" * make the code less-dependant on the "capture_nr" member of the config-struct * swap output/capture device when adding new devices * Remove the 'capture_nr' member from the v4l2_looback_config struct * build-fixes: install and utils * force timestamp.tv_sec to (long long int) [ Wren Turkal ] * Remove support for pre-3.6.1 Linux kernels. * Remove support for pre-4.0.0 kernels. [ IOhannes m zmölnig ] * [github] Mention "discussions" in the issue landing-page [ rdbo ] * fixed utils build for musl (missing GLOB_ONLYDIR) [ IOhannes m zmölnig ] * note that GLOB_ONLYDIR is indeed not requried by POSIX [ rdbo ] * added v4l2loopback-ctl.o to gitignore [ IOhannes m zmölnig ] * Fix formatting [ Fufu Fang ] * Update README.md [ IOhannes m zmölnig ] * [ci] skip failures on kernels without v4l2 support * [ci] install all available kernel headers * [ci] show skipped builds * [ci] Fix testing for v4l2 capabilities * [ci] bump actions/checkout to v4 * [ci] lower actions/checkout to v3 * [ci] only install latest packageversion of each kernel-flavour * [ci] install 'dkms' to get some more building prerequisites * some minor typos * use 'sudo' to change the permissions of the module * use $< instead of hardcoding the module name * 'sign' target to sign the generated module for use with secure boot [ Joaquim Monteiro ] * Use strscpy instead of strlcpy if available [ IOhannes m zmölnig ] * redefine strscpy() as strlcpy() if needed * Lower minimum width/height to extreme values * allocate_buffers: fix check whether we can re-allocate -- IOhannes m zmölnig (Debian/GNU) Tue, 19 Mar 2024 17:11:08 +0100 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) 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) 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) 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) 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) 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) 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) 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) 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 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) Fri, 02 Dec 2016 22:00:27 +0100 v4l2loopback (0.9.1) unstable; urgency=medium * Fixed module version -- IOhannes m zmölnig (Debian/GNU) 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 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 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) 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) 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) 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 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) 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) 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 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) 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) 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) 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) 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) Sun, 10 Oct 2010 21:01:50 +0200