Recent content by Linux&OS/2

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    Kalimera Kriti in Sisi crete

    Hi, I compiled a short video. I took the video's in H265 25fps 3840x2160. Used ffmpeg to create png images (1.1 TB). Used blender to generate png images of 3840x2160. Used audacity to cut the audio mp3 at the right time. Used ffmpeg to generate HEVC mp4: "ffmpeg -y -ss 00:00:00 -t "duration" -i...
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    "Unknown SD card error"

    Hi, I have 4 SAMSUNG 128 PRO+, no problems at all. Are yours also PRO+? Marc.
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    Best player for 4k 60hz on computer

    Hi, After some experimentation under linux I found the best player for 4k is ffplay from ffmpeg. The playback is smooth, even for fast panning scenes. Next one is the standard player: Videos from Ubuntu. some stuttering can be observed but is acceptable. Mplayer comes next. VLC cannot handle...
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    The tree was in the way

    Hi there, How to hit a tree Tree_encounter.MP4 - Shared with pCloud Luckily the bird was not hurt in any way, even the propellers were not damaged at all. I learned a lesson: Always keep an eye to the bird even when filming.
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    Format not supported...???

    Hi, Maybe its the container: Mov or MP4. Try the other one. If that does not help: make a MKV file of it; use ffmpeg to put in another container. use following command: ffmpeg -i input.mp4 -codec copy output.mkv Marc.
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    Why 3840 over 4096? More pixels always better?

    I will have one 1080 ti turbo. Mobo: ASUS Z10PE-D16 Workstation.Cpu's are xeons E5-2640 V4. Samsung 1000GB 850 evo (around 500MB/s) for the original video's. 500GB 850 evo for OS (linux) ubuntu 16.4 2 10TB WD gold for results. in stripping Blender as videoprocessing, ffmpeg as converter. 1080ti...
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    Why 3840 over 4096? More pixels always better?

    Also have a look at the 960 pro ssd from Samsung: seems to be double so fast. Form Factor: M.2 Capacity: 512 GB, 1024 GB, 2048 GB Sequential Read Speed: Max 3,500 MB/sec Sequential Write Speed: Max 2,100 MB/sec 960 PRO | Consumer SSD | Samsung V-NAND SSD. Also see Optane Memory review: Why you...
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    DJI GO 4 keeps crashing Solved; Thx to German Support

    After several successful missions with V 4.1.4 I decided to give it another try. This time I downloaded the APK from the DJI site: DJI Phantom 4 Pro – Specs, FAQ, Tutorials and Downloads ; installed and now it seems to be stable. Will do some flights later, bad weather now. Marc.
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    How to crop, not downsize, 4K video to HD?

    Hi, you could try ffmpeg Download FFmpeg docu FFmpeg Filters Documentation Google for some frondends. Quality of ffmpeg is quit good, but learning curve is quit a bit. I do not have windows experience, but under Linux ffmpeg is performant.
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    DJI GO 4 keeps crashing Solved; Thx to German Support

    Hi, Suddenly after 4 months and more than 100 flights following happens: After the AC connects DJI GO 4 stops or crashes?. after seconds or several up to 120. Firmware is latest on AC, RC and all batteries. DJI go 4 is also latest level. Phantom 4 Pro. NVidea K1 tablet. Android 6.0.1 even on...
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    Stuttering video 1080p 50 Hz

    I recoded a video at 80000 kbps, result: smooth and lots of details
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    Stuttering video 1080p 50 Hz

    Hi, I took some videos, when panning the video stutters about every second. I analyzed the video with mplayer under linux; running the video half speed results in smooth playback. I then converted the video to a series of pnm pictures. Playing them at full speed also ok. Then converted from the...
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    Salvaged SD card after a crash into a lake (hardware error)

    I recovered several SD-cards by putting them in a Linux system. Try to mount them under Linux. Success. You could use the Knoppix Live Linux cd to boot your system without loosing your other system from the hard-disk.
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    Nvidia Shield K1 with DJI Go 4 ?

    I would recommend you to downgrade to 6 on the Nvidia Shield K1. As mentioned previously a lot of people had the same problem and after downgrading all go's fine. See: How to downgrade K1 Shield to 6.0 Android Good luck.
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    Nvidia Shield K1 with DJI Go 4 ?

    Witch is the android level ? Mine is on 6... On 7 there are problems reported on this forum. I had to go back to the factory level: 5... And then upgrade to 6... I had never issues. Marc.