Chronos > Software Dev

Chronos V0.3.1 Beta - Updated Oct 15 2018 with beta-9

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Tabatha_Hughes:
Hey guys,
EDITED. Please note the changes to Features, Minutiae, and Fixed Bugs.

Here is the V0.3.1 beta-9. Remember, do not use this software version if you are capturing something that is not easily replicated. Here are the notes on the update:
    +----------------------------------+
  ++                                          ++
    |   Chronos V0.3.1.9 Changelog   |
  ++                                          ++
    +----------------------------------+

Notable Changes:
 - New Demosaic algorithm based on AHD, which should improve color reproduction and reduce edge noise.
 - Standalone daemon to operate the video system, with DBus API.
 - External HDMI displays are supported at 1080p and 720p resolutions.
 - Recording speed improvements.
 - Add CinemaDNG and TIFF as save file formats.
 - Deprecate Raw 16-bit right-justified save format in favor of CinemaDNG.
 - Add a demo mode to replay a section of recorded video in a loop.
 - Add option to overlay frame statistics onto processed video formats (H.264 and TIFF).
 - Jog wheel can be used to adjust the exposure, and navigate the settings menus.
 - New video memory recovery tool to download video (slowly) in the event of a software crash.
- Redesign of the white balance window, including a new dialog to edit the color matrix.

Minutiae:
 - Add whitebalance preset for 3200K/Tungsten lighting.
 - Adjust highlighting of text when selecting text boxes.
 - Auto-record and auto-save modes independant of one another.
 - Improved algorithm to estimate framerate during file save.
 - Date format in the Utility window changed to shorten the Month string.
 - Display separate version strings for both the Application and Filesystem/Release.

Fixed Bugs:
 - Crash causing the video to freeze after approximately 45 recording attempts.
 - Trigger delays would scale incorrectly when using segmented recording mode.
 - Abort recordings when the free space drops below 20MB to avoid crashing when the disk is full.
 - UI bug causing the selected save location to always select the first mounted disk.
 - First frame of a raw recording would contain corrupted NV12 image data.
 - First pixel of a Raw 12-bit packed frame was sometimes being dropped.
 - Corrupted pixels at the end of a Raw 12-bit packed frame.
  - Add crosshairs to the white balance window.
  - Add Qt stylesheet to improve focus visibility.
  - Main window exposure now shown in microseconds and shutter angle.
  - Jog wheel now adjusts exposure logarithmically, or by degrees when pressed.
  - The 'close' button on the soft keyboard now applies the entered text.
  - Reorganization of the soft keyboard to include a negative key.
 - Black ares of the UI become transparent after an HDMI hotplug.
  - HDMI hotplug while on the playback window would revert to live display.
  - Add missing ColorMatrix1 and CalibrationIlluminant1 tags to CinemaDNG files.
  - Fix possible crash of the video system when aborting a file save.
  - Fix possible carsh of the UI when rapidly aborting and re-starting a file save.
  - Fix color correction math so that saturating the image sensor tends towards white.
Also, some bugs that were introduced in beta-4 but now fixed:
  - Monochrome TIFF now pads the pixel values with least-significant zeroes.
  - H.264 bitrate setting was being ignored and defaulting to 0.25 bpp.

Compatibility Issues:
 - The pixel packing order in Raw 12-bit mode has been changed for the v0.3.1 release.
   Given a pair of two 12-bit pixels in hexidecmal as (0x123, 0xabc), the bytes produced
   by the Raw 12-bit packing mode changes as follows:
     v0.3.0 and earlier: (0xab, 0xc1, 0x23)
     v0.3.1 and later: (0x23, 0x1c, 0xab)

Known Bugs:
 - The first frame of an H.264 recording is erroneously copied from the display buffer before the recording starts.

Please let us know what you think of the updates. And most importantly, let us know the bugs and things you do not like about the update. If there are any serious issues, please email support@krontech.ca.

Updating Your Camera
-Extract the .zip file into the root directory of a FAT32 formatted USB drive.
-Turn on your camera and insert the USB drive.
-From the main window, tap the Util button to open the utility window.
-As a precaution, tap the Backup Calibration Data button on the utility window before starting the update.
-When the backup is completed, a pop-up window will be displayed.
-Tap the Done button to close the pop-up window.
-From the utility window, tap the Apply Software Update button to begin the software update.
-A warning message will be displayed, tap the Yes button to confirm and begin the update.
-During the update, the screen will go blank and an Applying Update message will be displayed.
-After approximately 60 seconds, the update will be complete and the camera will restart.

Johnny:
Nice update!
For some reason the CinemaDNG does not build previews on my Mac. DaVinci Resolve and Adobe Camera Raw cannot read them.
Is there something I'm missing here?

JamesB:
I can see the thumbnail previews but both Photoshop and After Effects give import errors on Windows.

Really hope the files are not useless because I just spent 2hrs shooting them  :-\

DDR:
I think it should be a matter of adding some tags to the non-loading files. We've figured out what tags are needed, but we're still getting things sorted here. Sorry about that!

patrickrebstock:
getting erratic behavior with the hdmi, usually doesnt work(just black feed) until i record a clip then go to playback, then it starts giving a video feed other than black pixels
Stoked to have it and see if it can get more reliable, using 502 bright small hd monitor, great to have this option thanks!

getting freezing about 6 times so far when saving in playback, with monitor plugged in, havent tried with out monitor, both in h264 but more in cinema dng, seemed like i only got sucesssful save in super short raw cinema dng clips,  camera becomes frozen and requires restart power cycle,
thats it so far will test more

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