[FFmpeg-user] Syncronizing live sources across multiple / separate FFmpeg commands

Hey there, I'm wondering if anybody would have any ideas in regards to synchronizing live sources across multiple / separate FFmpeg commands. Obviously the best case scenario would be handling all live sources in a single command, however I just can't seem to find the performance needed to do such

Re: [FFmpeg-user] Unable to compile ffmpeg with opencl on Ubuntu

On Fri, May 7, 2021 at 9:49 PM Dylan Fernando wrote: > I'm unable to compile ffmpeg with opencl on Ubuntu 20.04.2 > > > ERROR: opencl not found > > If you think configure made a mistake, make sure you are using the latest > version from Git. If the latest version fails, report the problem to the

Re: [FFmpeg-user] Possible to change pitch of audio in a downloaded mp4 file?

On 2021-04-28T08:51:15+0200, Bo Berglund wrote: > So I wonder if there is an ffmpeg command that can modify the pitch of the > audio > without changing the playback speed or lipsync? Lower pitch: -af "asetrate=22050,aresample=44100,atempo=2" Higher pitch: -af "asetrate=88200,aresample=44100,atemp

[FFmpeg-user] Why doesn't FFplay try to guess the channel layout of wav-files?

Hello ffmpeg-user and devs, FFmpeg binary used: ffmpeg version N-102342-g5541cff-Reino Copyright (c) 2000-2021 the FFmpeg developers built with gcc 10.3.0 (GCC) configuration: --arch=x86 --target-os=mingw32 --prefix=/cygdrive/[...]/cross_compilers/mingw-w64-i686/i686-w64-mingw32 --cross-pr

[FFmpeg-user] Cannot ^C out of ffplay, crashes due to opening too many files.

ffplay works fine inside an X session however running it from a plain tty means it keeps trying to open files, preventing ^C from having any effect, and eventually crashes when it hits the file limit. -nodisp fixes this, however I think it would be useful that ffplay would not try to start a GUI wi