1 Nageru and Futatabi 1.8.6, April 19th, 2019
3 - Filenames for the recordings are now without colons; it caused
4 too much problems with various software, including most players.
9 Nageru and Futatabi 1.8.5, March 30th, 2019
11 - Experimental support for audio in Futatabi: The MJPEG export from
12 Nageru now supports audio, and Futatabi will store it and play it
13 back. Audio is currently only supported when playing at 100% speed
14 (no pitch shift or time stretching), and there is no audio output
15 to the Futatabi operator.
17 - Significant optimizations to MJPEG encoding, both when in use and when
23 Nageru and Futatabi 1.8.4, March 11th, 2019
25 - Various bugfixes, in particular for 32-bit platforms.
28 Nageru and Futatabi 1.8.3, March 10th, 2019
30 - Allow controlling video mixing from MIDI events. Adapted from a patch
31 by Yann Dubreuil, from the BreizhCamp repository.
33 - Use ALSA hardware timestamps for input; gives more stable delay.
34 Patch by Yann Dubreuil, from the BreizhCamp repository.
36 - For FFmpeg inputs, add an option for playing as fast as possible
39 - In Futatabi, support queueing and playing clips with noe cue-out point.
40 This opens up for new and even faster UI workflows.
45 Nageru and Futatabi 1.8.2, January 19th, 2019
47 - Futatabi now supports MIDI controllers like Nageru, including an editor
48 and a sample mapping for the Behringer CMD PL-1.
50 - Futatabi now supports changing master speed during play, both via a
51 MIDI controller and the GUI.
56 Nageru and Futatabi 1.8.1, December 30th, 2018
58 - Futatabi can now communicate its queue status through a subtitle track,
59 and Nageru can consume it. This allows Nageru themes to get precise
60 information programmatically, e.g. to show status or automatically
61 switch away when the queue is about to end.
63 - Futatabi can now reuse the computed flow across successive frames when
64 interpolating between the same frame pair. This significantly reduces
65 the GPU load when doing super-slow motion (slower than 0.5x).
67 - Various smaller fixes.
70 Nageru and Futatabi 1.8.0, December 20th, 2018
72 - Initial release of Futatabi, a multicamera slow motion video server
73 designed to be used with Nageru. Futatabi is currently in alpha stage
74 and largely undocumented.
76 - Add support for multi-camera export from Nageru. A multi-camera stream
77 contains all frames from all camera inputs (unless overridden by
78 --mjpeg-export-cards), unprocessed except for MJPEG encoding.
79 MJPEG encoding is done in hardware (via VA-API) on Skylake or newer,
80 or using libjpeg otherwise. The intended user of this stream is Futatabi.
83 Nageru 1.7.5, November 11th, 2018
85 - Fix a bug where --record-x264-video would not work when VA-API was
86 not present, making the option rather useless (broken in 1.7.2).
87 Bug reported by Peter De Schrijver.
89 - The build system has been switched to Meson; see the README for new
92 - Various smaller fixes.
95 Nageru 1.7.4, August 31st, 2018
97 - Rework the x264 speedcontrol presets, again. (They earlier assumed
98 we could control B-frame settings on the fly, which we cannot with
99 threaded lookahead.) Also support x264 >= 153, which can support
100 multiple bit depths in the same library.
102 - Default to SDI inputs instead of HDMI.
104 - Add a mode to run in full screen (--fullscreen). Adapted from a patch
107 - Add support for lift/gamma/gain in the theme. Patch by Alexandre Thomazo.
110 Nageru 1.7.3, May 22nd, 2018
112 - When using multichannel audio, add a control for adjusting the
113 stereo width (from normal stereo to mono, all the way to
116 - Removed --http-coarse-timebase (it is now always on).
121 Nageru 1.7.2, April 28th, 2018
123 - Several improvements to video (FFmpeg) inputs: You can now use
124 them as audio sources, you can right-click on video channels
125 to change URL/filename on-the-fly, themes can ask for forced
126 disconnection (useful for network sources that are hanging),
127 and various other improvements. Be aware that the audio support
128 may still be somewhat rough, as A/V sync of arbitrary video
129 playout is a hard problem.
131 - The included themes have been fixed to properly make the returned
132 chain preparation functions independent of global state (e.g. if
133 the white balance for a channel was changed before the frame was
134 actually rendered). If you are using a custom theme, you may want
135 to apply similar fixes to it.
137 - In Metacube stream output, mark each keyframe with a pts metadata
138 block. This allows Cubemap 1.4.0 or newer to serve fMP4 fragments
139 for HLS from Nageru's output, without any further remuxing or
142 - If needed, Nageru will now automatically try to autodetect a
143 usable --va-display parameter by probing all DRM nodes for H.264
144 encoders. This removes the need to set --va-display in almost all
145 cases, and also removes the dependency on libpci.
147 - For GPUs that support querying available memory (in practice only
148 NVIDIA GPUs at the current time), expose the amount of used/total
149 GPU memory both on standard output and in the Prometheus metrics
150 (as well as included Grafana dashboard).
152 - The Grafana dashboard now supports heatmaps for the chosen x264
153 speedcontrol preset (requires Grafana 5.1 or newer). (There used to
154 be a heatmap earlier, but it was all broken.)
159 Nageru 1.7.1, March 26th, 2018
161 - Various bugfixes, mostly related to HTML and video inputs.
164 Nageru 1.7.0, March 8th, 2018
166 - Support for HTML5 graphics directly in Nageru, through CEF
167 (Chromium Embedded Framework). This performs better and is more
168 flexible than integrating with CasparCG over a socket. Note that
169 CEF is an optional component; see the documentation for more
172 - Add an HTTP endpoint for enumerating channels and one for getting
173 only their colors. Intended for remote tally applications;
174 set the documentation.
176 - Add a video grid display that removes the audio controls and shows
177 the video channels only, potentially in multiple rows if that makes
178 for a larger viewing area.
180 - Themes can now present simple menus in the Nageru UI. See the
181 documentation for more information.
186 Nageru 1.6.4, January 25th, 2018
188 - Fix compilation with the upcoming FFmpeg 3.5.
190 - Switch to LuaJIT for the theme engine, which is faster.
192 - Various bugfixes and smaller optimizations.
195 Nageru 1.6.3, November 8th, 2017
197 - Add quick-cut keys (Q, W, E, etc.) below the preview keys.
198 Since it's easy to hit these by accident and put up a signal
199 you didn't want, they are disabled by default (they can be
200 enabled in the video menu, or with the command line flag
203 - Rework the x264 speedcontrol presets to better match newer
206 - Add an option for changing the HTTP port (--http-port).
208 - Various smaller bug and integration fixes.
211 Nageru 1.6.2, July 16th, 2017
213 - Various smaller Kaeru fixes, mostly around metrics. Also,
214 you can now adjust the x264 bitrate in Kaeru (in 100 kbit/sec
215 increments) by sending SIGUSR1 (higher) or SIGUSR2 (lower).
218 Nageru 1.6.1, July 9th, 2017
220 - Add native export of Prometheus metrics.
222 - Rework the frame queue drop algorithm. The new one should handle tricky
223 situations much better, especially when a card is drifting very slowly
224 against the master timer.
226 - Add Kaeru, an experimental transcoding tool based on Nageru code.
227 Kaeru can run headless on a server without a GPU to transcode a
228 Nageru stream into a lower-bitrate one, replacing VLC.
230 - Work around a bug in some versions of NVIDIA's OpenGL drivers that would
231 crash Nageru after about three hours (fix in cooperation with Movit).
233 - Fix a crash with i965-va-driver 1.8.x.
235 - Reduce mutex contention in certain critical places, causing lower tail
236 latency in the mixer.
239 Nageru 1.6.0, May 29th, 2017
241 - Add support for having videos (from file or from URL) as a separate
242 input channels, albeit with some limitations. Apart from the obvious use of
243 looping pause clips or similar, this can be used to integrate with CasparCG;
244 see the manual for more details.
246 - Add a frame analyzer (accessible from the Video menu) containing an
247 RGB histogram and a color dropped tool. This is useful in calibrating
248 video chains by playing back a known signal. Note that this adds a
249 dependency on QCustomPlot.
251 - Allow overriding Y'CbCr input interpretation, for inputs that don't
252 use the correct settings. Also, Rec. 601 is now used by default instead
253 of Rec. 709 for SD resolutions.
255 - Support other sample rates than 48000 Hz from bmusb.
258 Nageru 1.5.0, April 5th, 2017
260 - Support for low-latency HDMI/SDI output in addition to (or instead of) the
261 stream. This currently only works with DeckLink cards, not bmusb. See the
262 manual for more information.
264 - Support changing the resolution from the command line, instead of locking
265 everything to 1280x720.
267 - The A/V sync code has been rewritten to be more in line with Fons
268 Adriaensen's original paper. It handles several cases much better,
269 in particular when trying to match 59.94 and 60 Hz sources to each other.
270 However, it might occasionally need a few extra seconds on startup to
271 lock properly if startup is slow.
273 - Add support for using x264 for the disk recording. This makes it possible,
274 among other things, to run Nageru on a machine entirely without VA-API
277 - Support for 10-bit Y'CbCr, both on input and output. (Output requires
278 x264 disk recording, as Quick Sync Video does not support 10-bit H.264.)
279 This requires compute shader support, and is in general a little bit
280 slower on input and output, due to the extra amount of data being shuffled
281 around. Intermediate precision is 16-bit floating-point or better,
284 - Enable input mode autodetection for DeckLink cards that support it.
285 (bmusb mode has always been autodetected.)
287 - Add functionality to add a time code to the stream; useful for debugging
290 - The live display is now both more performant and of higher image quality.
292 - Fix a long-standing issue where the preview displays would be too bright
293 when using an NVIDIA GPU. (This did not affect the finished stream.)
295 - Many other bugfixes and small improvements.
298 Nageru 1.4.2, November 24th, 2016
300 - Fix a thread race that would sometimes cause x264 streaming to go awry.
303 Nageru 1.4.1, November 6th, 2016
308 Nageru 1.4.0, October 26th, 2016
310 - Support for multichannel (or more accurately, multi-bus) audio,
311 choosable from the UI or using the --multichannel command-line
312 flag. In multichannel mode, you can take in inputs from multiple
313 different sources (or different channels on the same source, for
314 multichannel sound cards), apply effects to them separately and then
315 mix them together. This includes both audio from the video cards
316 as well as ALSA inputs, including hotplug. Ola Gundelsby contributed
317 invaluable feedback on this feature throughout the entire
320 - Support for having MIDI controllers control various aspects of the
321 audio UI, with relatively flexible mapping. Note that different
322 MIDI controllers can vary significantly in what protocol they speak,
323 so Nageru will not necessarily work with all. (The primary testing
324 controller has been the Akai MIDImix, and a pre-made mapping for
325 that is included. The Korg nanoKONTROL2 has also been tested and
326 works, but it requires some Korg-specific SysEx commands to make
327 the buttons and lights work.)
329 - Add a disk space indicator to the main window.
331 - Various bugfixes. In particular, an issue where the audio would pitch
332 up sharply after a series of many dropped frames has been fixed.
335 Nageru 1.3.4, August 2nd, 2016
340 Nageru 1.3.3, July 27th, 2016
342 - Various changes to make distribution packaging easier; in particular,
343 theme data can be picked up from /usr/local/share/nageru.
345 - Fix various FFmpeg deprecation warnings, now that we need FFmpeg
346 3.1 for other reasons anyway.
349 Nageru 1.3.2, July 23rd, 2016
351 - Allow limited hotplugging (unplugging and replugging) of USB cards.
352 You can use the new command-line option --num-fake-cards (-C) to add
353 fake cards that show only a single color and that will be replaced
354 by real cards as you plug them in; you can also unplug cards and have
355 them be replaced by fake cards. Fake cards can also be used for testing
356 Nageru without actually having any video cards available.
358 - Add Metacube timestamping of every keyframe, for easier detection of
359 streams not keeping up. Works with the new timestamp feature of
360 Cubemap 1.3.1. Will be ignored (save for some logging) in older
363 - The included default theme has been reworked and cleaned up to be
364 more understandable and extensible.
366 - Add more command-line options for initial audio setup.
369 Nageru 1.3.1, July 1st, 2016
371 - Various display bugfixes.
374 Nageru 1.3.0, June 26th, 2016
376 - It is now possible, given enough CPU power (e.g., a quad-core Haswell or
377 faster desktop CPU), to output a stream that is suitable for streaming
378 directly to end users without further transcoding. In particular, this
379 includes support for encoding the network stream with x264 (the stream
380 saved to disk is still done using Quick Sync), for Metacube framing (for
381 streaming to the Cubemap reflector), and for choosing the network stream
382 mux. For more information, see the README.
384 - Add a flag (--disable-alsa-output) to disable ALSA monitoring output.
386 - Do texture uploads from the main thread instead of from separate threads;
387 may or may not improve stability with NVIDIA's proprietary drivers.
389 - When beginning a new video segment, the shutdown of the old encoder
390 is now done in a background thread, in order to not disturb the external
391 stream. The audio still goes into a somewhat random stream, though.
393 - You can now override the default stream-to-card mapping with --map-signal=
396 - Nageru now tries to lock itself into RAM if it has the permissions to do
397 so, for better realtime behavior. (Writing the stream to disk tends to
398 fill the buffer cache, eventually paging less-used parts of Nageru out.)
400 - Various fixes for deadlocks, memory leaks, and many other errors.
403 Nageru 1.2.1, April 15th, 2016
405 - Images are now updated from disk about every second, so that it is possible
406 to update e.g. overlays during streaming, although somewhat slowly.
408 - Fix support for PNG images.
410 - You can now send SIGHUP to start a new cut instead of using the menu.
412 - Added a --help option.
414 - Various tweaks to OpenGL fence handling.
417 Nageru 1.2.0, April 6th, 2016
419 - Support for Blackmagic's PCI and Thunderbolt cards, using the official
420 (closed-source) Blackmagic drivers. (You do not need the SDK installed, though.)
421 You can use PCI and USB cards pretty much interchangeably.
423 - Much more stable handling of frame queues on non-master cards. In particular,
424 you can have a master card on 50 Hz and another card on 60 Hz without getting
425 lots of warning messages and a 10+ frame latency on the second card.
427 - Many new options in the right click menu on cards: Adjustable video inputs,
428 adjustable audio inputs, adjustable resolutions, ability to select card for
431 - Add support for starting with almost all audio processing turned off
434 - The UI now marks inputs with red or green to mark them as participating in
435 the live or preview signal, respectively. Red takes priority. (Actually,
436 it merely asks the theme for a color for each input; the theme contains
439 - Add support for uncompressed video instead of H.264 on the HTTP server,
440 while still storing H.264 to files (--http-uncompressed-video). Note that
441 depending on your client, this might not actually be more CPU efficient
442 even on localhost, so be sure to check.
444 - Add a simpler, less featureful theme (simple.lua) that should be easier to
445 understand for beginners. Themes are now also choosable with -t on the command
448 - Too many bugfixes and small tweaks to list. In particular, many memory leaks
449 in the streaming part have been identified and fixed.
452 Nageru 1.1.0, February 24th, 2016
454 - Support doing the H.264 encoding on a different graphics device from the one
455 doing the mixing. In particular, this makes it possible to use Nageru on an
456 NVIDIA GPU while still encoding H.264 video using Intel Quick Sync (NVENC
457 is not supported yet) -- it is less efficient since the data needs to be read
458 back via the CPU, but the NVIDIA cards and drivers are so much faster that it
459 doesn't really matter. Tested on a GTX 950 with the proprietary drivers.
461 - In the included example theme, fix fading to/from deinterlaced sources.
463 - Various smaller compilation, distribution and documentation fixes.
466 Nageru 1.0.0, January 30th, 2016