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• MAC's "say" command to MP3 [closed]

  13 mars 2015, par lx0741

  I want to read a very long text with the SAY mac’s command (say -f file.txt), and to record the output to file.mp3. I thought about using ffmpeg to record all of it, but then i’ll need to wait for all the reading process to complete..

  I don’t really need to listen to it, so if there is a way to directly have an mp3 file just by hitting enter, it would be great..

  There is also this project txt2mp3mac but i can’t use it in a shell script..

  Thanks..

  Update

  Check this gist for a script that does it

• How to merge audio and video streams with Popen pipes

  22 mai 2017, par Absulit

  I need to merge two different sources, one has video, the other has audio. None of them are local files, data arrives via websocket blob.

  I have a Popen process for ffmpeg like this in Python

  ffmpeg_process = Popen('/root/bin/ffmpeg -i - -i -  -f flv out.flv, shell=True, stdin=PIPE)

  I’m aware that sending video to the first -i works like this :

  ffmpeg_process.stdin.write(data)

  So my question is, how do I send audio data to the second -i param via the stdin pipe ?

• FFMPEG command fails in php but runs in terminal [closed]

  13 juillet 2021, par victor ukafor

  I'm writting some logic that requires video manipulation, each time i try to run ffmpeg command with Process (or some other php in-built function for running shell command), the command fails with WARNING : library configuration mismatch but it runs without any warning on my terminal. Some tutorials suggest I unistall libavcodec-ffmpeg-extra56 or libavcodec-ffmpeg-extra57 on machine. I have done that still no changes.