Re: [FFmpeg-user] Desktop capturing with acodec pcm_s16le results in wobbly audio

2015-09-08 Thread Carl Eugen Hoyos
Oliver gmx.net> writes: > > Then please try to record with a much smaller resolution > > to verify that this is a performance issue. > > Ok, i do not exactly know what you mean. Which option > should i add to my the command i posted? Replace "-s 1920x1200" with "-s 100x100" to test if you

Re: [FFmpeg-user] Desktop capturing with acodec pcm_s16le results in wobbly audio

2015-09-08 Thread Oliver
> Oliver gmx.net> writes: > >>> Then please try to record with a much smaller resolution >>> to verify that this is a performance issue. >> >> Ok, i do not exactly know what you mean. Which option >> should i add to my the command i posted? > > Replace "-s 1920x1200" with "-s 100x100" to test

Re: [FFmpeg-user] Desktop capturing with acodec pcm_s16le results in wobbly audio

2015-09-07 Thread Carl Eugen Hoyos
Oliver gmx.net> writes: > > Did you test the following? > > $ ffmpeg -f alsa -ac 2 -i default -acodec copy out.wav > > Yes i did, the output was fine, no unwanted wobbling or > anything else. Then please try to record with a much smaller resolution to verify that this is a performance issue.

Re: [FFmpeg-user] Desktop capturing with acodec pcm_s16le results in wobbly audio

2015-09-07 Thread Oliver
> Oliver gmx.net> writes: > >>> Did you test the following? >>> $ ffmpeg -f alsa -ac 2 -i default -acodec copy out.wav >> >> Yes i did, the output was fine, no unwanted wobbling or >> anything else. > > Then please try to record with a much smaller resolution > to verify that this is a

Re: [FFmpeg-user] Desktop capturing with acodec pcm_s16le results in wobbly audio

2015-09-06 Thread Oliver
> Did you test the following? > $ ffmpeg -f alsa -ac 2 -i default -acodec copy out.wav Yes i did, the output was fine, no unwanted wobbling or anything else. >> The output of the above command was: > > For future questions: > Please do not cut the console output, particularly not > the first

Re: [FFmpeg-user] Desktop capturing with acodec pcm_s16le results in wobbly audio

2015-09-06 Thread Carl Eugen Hoyos
Oliver gmx.net> writes: > ffmpeg -f alsa -ac 2 -i default -f x11grab -r 30 > -s 1920x1200 -i :0.0+1680,0 -acodec pcm_s16le > -vcodec libx264 -preset ultrafast -crf 0 > -threads 0 testout.mkv > > this kind of worked but the audio in the resulting > video file had a distinct wobble effect Did

[FFmpeg-user] Desktop capturing with acodec pcm_s16le results in wobbly audio

2015-09-04 Thread Oliver
Hello, i am experimenting with desktop video/audio capturing this is the command i used: ffmpeg -f alsa -ac 2 -i default -f x11grab -r 30 -s 1920x1200 -i :0.0+1680,0 -acodec pcm_s16le -vcodec libx264 -preset ultrafast -crf 0 -threads 0 testout.mkv this kind of worked but the audio in the