1
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1answer
186 views

Using loopbacks and null-sink cause extreme distortion after 20-30s during ffmpeg recording

I'm trying to record both video, speaker sounds and microphone sounds at the same time. To deal with the audio, I set up two loopbacks (one for microphone, one for speakers): pactl load-module ...
1
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1answer
497 views

record application audio only with ffmpeg

I would like to use ffmpeg to use application audio only instead of the whole system audio while screen grabbing. How can I do this if the grabbing command is something like this? By application ...
2
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1answer
422 views

How do I recompile libav on ubuntu 12.04 without breaking anything

I have a "Little" script for screencasting - I'll skip to the good part. In my avconv command I record 3 different sources simultaneously to 3 different tracks. The only way I know of getting audio ...
2
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0answers
532 views

Audio delay problem with ffmpeg and parec

I need to record desktop audio and video in an automated way. So I wrote a small multithreaded python script which basically does the following steps: # 1.) Grab desktop audio AUDIO_SRC=`LANG=c ...
1
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1answer
1k views

How to record from two audio sources simultaneously in ffmpeg?

I am recording a Let's Play using ffmpeg on Arch Linux. I would like to have it record both the game's audio, and my mic. I am using PulseAudio for sound. I can get it to record the mic, or the game's ...