mrViewer 4.0.7

A quirky media viewer/ player

 
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MrViewer is an interesting media player which delivers all the core features you'd expect, but then adds more. And more. And more. And more...

This starts simply enough. Drag and drop a regular image, audio or video file onto the program, and view or play it with the player bar. The interface around this is a little clunky - the program uses its own non-standard Open dialog rather than Windows' own, for instance - but we figured out the basics in seconds.

Play around for a while, though, and you start to notice some unusual extras. MrViewer doesn't have the widest file format support, but there's real depth in some areas, with the program able to handle animated GIFs, assorted 3D media (anaglyphs, top/bottom, side by side, interlaced, checkerboard), professional HDR imagery (HDRI, OpenEXR including multichannel, multiview, multipart), ACES 1.0 colour management, multichannel PSD/ TIFF/ MIFF, 4K video and more.

Playback pluses started when we realised the usual spin-the-mouse-to-zoom worked on videos, as well as images, even while playing. We could similarly adjust the frame rate, image gain, gamma and more, and see the results in real time. Even while playing videos backwards, if that helps.

You're able to open a host of companion windows and panels with more information: histograms, colour profiles, assorted low-level data on the media (codec, FourCC, B frames, pixel format, etc.)

Right-clicking expanded our horizons even further. Some options were obvious, though welcome (save files in another format). Others were more surprising (copy a pixel RGBA value to the clipboard, replace a soundtrack with another audio file). There were simple configuration options (decide which media attributes are displayed on the screen), handy bonus features (edit the offset of an audio file), simple extras (paint on the screen) and expert-level functionality (in-depth Colour Transformation Language support), all just a click or two away.

Version 4.0.7: 

- Added support for libraw in oiiotool on Windows. This allows us
          to support dng, cr2, etc. formats.
        - Added oiiotool to Linux distribution.
        - Added support for ffmpeg in oiiotool.  This allows using
          oiiotool for ffmpeg input formats to extract single frames and
          process them.
        - Added --stereo-output flag to command line. This controls the
          stereo output setting when loading a stereo set of images.
          Options are: Left view, Right view, Top/bottom, Bottom/top,
                       Left/right, Right/left, Even/odd rows,
                       Even/odd columns, Checkerboard pattern,
                       Red/cyan glasses, Cyan/red glasses.
        - Reverted the change to timecode/timeline accepting view shortcuts
          as it was causing conflict with the presentation mode.
        - Improved loading of IFF images to not consume so much memory.
          They will no longer load as float images, but as 8 bits or 16
          bits images.  Also bug fixed the RLE decoding.
        - Added support for Z depth channel in maya IFF files.
        - Improved channel toggling to not conflict with image loaders.
          This is mainly an internal change.
        - Bug fixed saving of unknown channel name in OpenEXR saver.

Verdict ratingsratingsratingsratingsratings

MrViewer's non-standard interface is frequently frustrating. Windows, buttons, folder navigation, menus, nothing worked completely as we expected, sometimes to annoying effect (the right-click menu disappeared for a while, there was no visible way to close the playback window).

But if you live with the interface, there's a vast amount of functionality here, from tiny bonuses (spin the mouse wheel to zoom in on a playing video) to professional HDR support.

Overall, we say try mrViewer if you think you'll use some of its power, but be ready for a steep learning curve.

Specification: mrViewer 4.0.7:

Platforms:
Windows 7 (32 bit),Windows 7 (64 bit),Windows 8,windows 10,Linux
Version:
4.0.7
Licence:
Freeware
Developer:
mrViewer
Date Added:
April 19, 2018