How do I enable FFMPEG logging and where can I find the FFMPEG log file?

FFmpeg does not write to a specific log file, but rather sends its output to standard error. To capture that, you need to either capture and parse it as it is generated redirect standard error to a file and read that afterward the process is finished Example for std error redirection: ffmpeg -i myinput.avi {a-bunch-of-important-params} … Read more

Caveats of select/poll vs. epoll reactors in Twisted

For very small numbers of sockets (varies depending on your hardware, of course, but we’re talking about something on the order of 10 or fewer), select can beat epoll in memory usage and runtime speed. Of course, for such small numbers of sockets, both mechanisms are so fast that you don’t really care about this … Read more

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