[Ffmpeg-devel-irc] ffmpeg.log.20181120

burek burek021 at gmail.com
Wed Nov 21 03:05:02 EET 2018

[06:29:24 CET] <pins> I need help understanding why ffmpeg will not convert a folder full of jpgs to folder\*.png
[06:29:36 CET] <pins> this is what I'm using: for %%a in ("*.jpg") do ffmpeg -i "%%a" "converts\%%0d.png"
[06:31:21 CET] <pins> nvm. :D
[06:31:45 CET] <pins> for %%a in ("*.jpg") do ffmpeg -i "%%a" "converts\%%~na.png"
[11:27:35 CET] <MarcoT> Hello, can you help me? I need to stream a mp4 file via HTTP, using just ffmpeg command line if possible (no ffserver). Can I?
[11:28:11 CET] <MarcoT> I am using this command line but I have "tcp: Connection refused error"
[11:28:18 CET] <MarcoT> ffmpeg -re -i testvideo.mp4 -c:v libx264 -preset veryfast -maxrate 3000k -bufsize 6000k -pix_fmt yuv420p -g 50 -an -f mp4 http://localhost:8090/test.mp4
[11:33:18 CET] <MarcoT> or can I even with ffserver?
[15:21:40 CET] <Alina-malina> ffmpeg -f gdigrab -i desktop output.mp4  i am trying to grab the sscreen, but to be honest the quality is shit, is there a way how i can increase the quality?
[16:19:59 CET] <Alina-malina> C:\ffmpeg\bin>ffmpeg -y -rtbufsize 100M -f gdigrab -framerate 60 -probesize 10M -draw_mouse 1 -i desktop -c:v libx264 -r 60 -preset ultrafast -tune zerolatency -crf 6 -pix_fmt yuv422p "video.mp4"    ok seems i found it, but how to add some sounding? i mean i want sound to be captured from my speakers?
[16:25:38 CET] <furq> don't ever use tune zerolatency
[16:27:01 CET] <Mavrik> "Why do we even have that lever?" :)
[16:41:24 CET] <Alina-malina> why?
[16:41:48 CET] <Alina-malina> how to add sound there?
[16:42:37 CET] <Alina-malina> struggling to add sound from my sound system
[16:46:38 CET] <Alina-malina> ok i remove that tune zerolatency lol
[16:46:40 CET] <Alina-malina> whats next?
[16:46:43 CET] <Alina-malina> how to add sound
[20:05:22 CET] <Alish> I have a .mkv file screencast, and in it at a specific time for some seconds I wanna add some text (explainig that there was an error). can someone guide me?
[20:11:00 CET] Last message repeated 1 time(s).
[20:20:02 CET] <Alish> is it possible to add a text a specified time for 2 seconds in .mkv files?
[20:27:03 CET] <furq> Alish: https://ffmpeg.org/ffmpeg-filters.html#drawtext-1 and https://ffmpeg.org/ffmpeg-filters.html#Timeline-editing
[20:27:57 CET] <furq> or you can just put it in a subtitle file and burn it in with -vf subtitles
[20:34:52 CET] <Alish> furq: Thanks
[20:45:22 CET] <ariyasu> yeah make a soft .srt sub file
[20:47:03 CET] <Alish> ariyasu: Thanks.
[21:00:34 CET] <Alish> There is no example for time duration.
[21:00:47 CET] <Alish> furq: ^^
[21:16:08 CET] <Alish> it's working. can't I change the colors?
[21:16:30 CET] <Alish> of subtitles and fonts of them?
[21:46:14 CET] <pink_mist> you need ass rather than srt for that
[21:46:24 CET] <pink_mist> and you need ffmpeg built with libass afaik
[21:50:37 CET] <Alish> pink_mist: Thanks.
[00:00:00 CET] --- Wed Nov 21 2018

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