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Software: LosslessCut, HPLIP, and “Porting” Kdenlive

Submitted by Roy Schestowitz on Wednesday 30th of January 2019 07:37:37 AM Filed under
Software
  • Free Video Cutter LosslessCut Adds Multiple Cut Points, Video Merging Feature

    LosslessCut is a easy to use, ultra fast tool for lossless video (and audio) cutting, available for Windows, macOS and Linux.

    The tool is design to allow its users to quickly cut large video files taken with a video camera, GoPro, drone, etc., without losing any quality, while also making this process extremely easy.

    LosslessCut is based on Chromium, using the HTML5 video player for its playback functionality. For video processing, the application does an almost direct data copy (using FFmpeg), so it's extremely fast.

    Since the HTML5 video player has limited codecs support, some files may need to be remuxed / encoded to a friendly format / codec. This can be done directly from LosslessCut, via the File menu. The following formats / codecs should work directly in LosslessCut: MP4, MOV, WebM, MKV, OGG, WAV, MP3, AAC, H264, Theora, VP8, and VP9.

  • HPLIP 3.19.1 Released with New Printers / Distro’s Support

    HPLIP 3.19.1, HP developed Linux drivers for HP inkjet and laser based printers, was released one day ago with new devices and Linux Distros support.

  • Building and Distributing Kdenlive on Windows and Mac

    “Porting” Kdenlive to other platforms has been in the works for years now: old Qt4 version was in MacPorts, and we started looking at Windows version with our GSoC student back in Spring 2016. We anticipated we wouldn’t have much to change in the code, as Kdenlive relies on the portable Qt5/KF5 combo, and MLT, which is already embedded in Shotcut cross-platform editor.

    At that time, KDE didn’t have Windows & Mac build servers yet, and I had no Windows machine available. I thought it would be more efficient to use the Linux machines. Moreover, the young Craft lacked multimedia libraries (audio and video codecs, effects), while MXE cross-build system had several ready. I liked MXE’s use of GNU Make to resolve build dependencies, it’s automated version update, simple build option overrides… So we went for it and built all the stack up to our final application!

    The main difficulty has been deployment: build ends with several executables (kdenlive, melt used for rendering, ffmpeg for transcoding, dbus-daemon for notifications…), shared libraries, plugins (qt’s, mlt’s, frei0r’s…), data files… and it didn’t work out of the box! Finding a layout to please all these required several trials and tweaks, and that step didn’t allow for direct testing while developing & recompiling.

    At least with this work we could share Windows binaries, published in 2016 under “alpha” preview state, which rapidly found users despite of several shortcomings… And the situation remained so during more than a year, during which updates didn’t concern platform specific bugs.

»

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