xpra and pixel formats
Pixels all the way down Editor’s, who is also me, note: This was meant to be a somewhat organised overview of how xpra handles pixels,… Read More »xpra and pixel formats
ffmpeg
ffmpeg: error while loading shared libraries: libavdevice.so.59: cannot open shared object file: No such file or directory
tl;dr: read the compile guide, and set a PREFIX and / or LD_LIBRARY_PATH I did something I don’t normally do and compiled ffmpeg today, since… Read More »ffmpeg: error while loading shared libraries: libavdevice.so.59: cannot open shared object file: No such file or directory
Dohiker Trail Cam Produces Broken AVI (but there’s foxes!)
FoxCam not fully operational Over the last few weeks a family of foxes has been visiting my garden. A friend kindly lent me their Dohiker… Read More »Dohiker Trail Cam Produces Broken AVI (but there’s foxes!)
Samsung S10 phones produce broken MP4s without MOOV atoms
Update 2021-04: There was some discussion of a similar issue over at ffmpeg-user (full thread at nabble). It may not be the same problem, but… Read More »Samsung S10 phones produce broken MP4s without MOOV atoms
Streaming a Phone (or IP) Camera to YouTube
Yet another thing ffmpeg can do Streaming a camera to YouTube came up in chat the other day. It’s not something I’ve ever had cause… Read More »Streaming a Phone (or IP) Camera to YouTube
ffmpeg can cut off the end of a transparent VP9
It’s a current bug tl;dr: use -lag-in-frames 0 as a workaround for now I have been creating stinger transitions for my stream. These are animated… Read More »ffmpeg can cut off the end of a transparent VP9
Quick Hacks: A Script to Extract a Single Image/Frame From Video
Long ago, I posted the simple way to get a frame of a video using ffmpeg. I’ve been using that technique for a long time.… Read More »Quick Hacks: A Script to Extract a Single Image/Frame From Video
Rescuing a Truncated Recording Using ffmpeg
tl;dr: Well, it’s cheating because it’s not ‘rescuing’ what isn’t recorded, just retrieving and appending Last night I played a few rounds of some cooperative… Read More »Rescuing a Truncated Recording Using ffmpeg
Timesaver: import and combine GoPro Footage with FFmpeg
I’ve been taking my GoPro to Sunday Morning Football (as it is known) for a while now, so I figured I’d automate the process of… Read More »Timesaver: import and combine GoPro Footage with FFmpeg
Extract A Single Image From A Video Using FFMPEG
Update: Still using this 8 years later, but in the form of a quick script, which is useful if you are doing it more than… Read More »Extract A Single Image From A Video Using FFMPEG