Re: [FFmpeg-user] How to create good video from low quality jpeg

2020-07-27 Thread Carl Eugen Hoyos
Am Di., 28. Juli 2020 um 02:26 Uhr schrieb Kawada Tsuyoshi : > this is not good. > https://mekou.com/ng.jpg Please test current FFmpeg git head before asking for support here. (The file is not low quality and your issue has nothing to do with "good video from low quality jpeg") Carl Eugen __

Re: [FFmpeg-user] How to create good video from low quality jpeg

2020-07-27 Thread Kawada Tsuyoshi
Hi z! thank you. I execute on Ubuntu 16.04. Sorry. on Ubuntu 18.04 this is log OK $ ffmpeg -r 30 -i %03d.jpg -vcodec libx264 -pix_fmt yuv420p -r 30 out.mp4 ffmpeg version 3.4.8-0ubuntu0.2 Copyright (c) 2000-2020 the FFmpeg developers   built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18

Re: [FFmpeg-user] How to create good video from low quality jpeg

2020-07-27 Thread Kawada Tsuyoshi
Hi z! thank you. I execute on Ubuntu 16.04. this is log OK $ ffmpeg -r 30 -i %03d.jpg -vcodec libx264 -pix_fmt yuv420p -r 30 out.mp4 ffmpeg version 3.4.8-0ubuntu0.2 Copyright (c) 2000-2020 the FFmpeg developers built with gcc 7 (Ubuntu 7.5.0-3ubuntu1~18.04) configuration: --prefix

Re: [FFmpeg-user] How to create good video from low quality jpeg

2020-07-27 Thread Carl Zwanzig
On 7/27/2020 5:26 PM, Kawada Tsuyoshi wrote: $ ffmpeg -r 30 -i %03d.jpg -vcodec libx264 -pix_fmt yuv420p -r 30 out.mp4 Please post the complete & unedited command output, that will tell us a lot about what you're doing. z! ___ ffmpeg-user mailing l

[FFmpeg-user] How to create good video from low quality jpeg

2020-07-27 Thread Kawada Tsuyoshi
Hi ffmpeg users. I want to know how to create good video from low quality jpeg files. I executed this command. $ ffmpeg -r 30 -i %03d.jpg -vcodec libx264 -pix_fmt yuv420p -r 30 out.mp4 result this is good. https://mekou.com/ok.jpg https://mekou.com/out.ok.mp4 this is not good. https://mekou.c

[FFmpeg-user] keep ffmpeg trying on untable udp input stream

2020-07-27 Thread andrei ka
hi all, afaik ffmpeg timeouts (~4secs max) if input udp multicast stops broadcasting. is where any known way (with production build, i saw one ~2 yrs old patch for switching source to secondary if primary dies) to keep ffmpeg doing dups or sending anything else, black, smtpe bars, etc, till multic