#FFMPEG WINDOWS SCREEN CAPTURE KEYGEN#
Like DVD, VCD or others, make sure you set the correct buffer size If you want the mpeg file to be compliant to some specification VBV buffer size not set, using default size of 130KB Stream #1:0: Audio: pcm_s16le, 48000 Hz, 2 channels, s16, 1536 kb/sįile 'output.mpeg' already exists. Guessed Channel Layout for Input Stream #1.0 : stereoĭuration: N/A, start: 1428348285.225901, bitrate: 1536 kb/s
Trailing options were found on the commandline.ĭuration: N/A, start: 1428348285.201679, bitrate: N/A This is despite ffmpeg claims to record the audio with 2 channels, here is the input: ffmpeg version N-71312-ga66dcfe Copyright (c) 2000-2015 the FFmpeg developersīuilt with gcc 4.8.3 (GCC) 20140911 (Red Hat 4.8.3-7) The position of -ac 2 doesn't change the behaviour, nor does repeating it only once. I'm getting a video with 0 audio channels, which I can check running FFmpeg/ffplay output.mpeg Input #0, mpeg, from 'output.mpeg':ĭuration: 00:00:09.44, start: 0.540000, bitrate: 2743 kb/s However, when I try both screen capture and audio, like this: FFmpeg/ffmpeg -video_size 800圆00 -framerate 25 -ac 2 -f x11grab -i :0.0+0,0 -ac 2 -f alsa -i pulse -ac 2 -acodec copy output.mpeg -ac 2 I am able to record audio perfectly fine with the command: FFmpeg/ffmpeg -f alsa -ac 2 -i pulse - output.wav I am using ffmpeg built from source at this revision in Fedora 20. I'm getting a video with 0 audio channels, which I can check running FFmpeg/ffplay output.mpeg However, when I try both screen capture and audio, like this:įFmpeg/ffmpeg -video_size 800圆00 -framerate 25 -ac 2 -f x11grab -i :0.0+0,0 -ac 2 -f alsa -i pulse -ac 2 -acodec copy output.mpeg -ac 2 I am able to record audio perfectly fine with the command:įFmpeg/ffmpeg -f alsa -ac 2 -i pulse - output.wav "aformat=channel_layouts=stereo,asplit=2\Ĭompand=0:0.Screen capture WITH audio in ffmpeg,ffmpeg,audio-recording,screen-capture,Ffmpeg,Audio Recording,Screen Capture,I am using ffmpeg built from source at this revision in Fedora 20. metadata:s:a:3 handler="audio:microphone" \Įmbedded streams, companded mic to clean up my line-noise problem a bit, and some stream mixing to put output and mic together on their own stream ffmpeg -hide_banner \ Using embedded streams ffmpeg -hide_banner \
# mux video & audio if video process exited okayįfmpeg -hide_banner -i "$_audioMic.wav" am using FFmpeg's built-in gdigrab & dshow to record the display & audio of my system.
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