Re: how to join 2 video files with ffmpeg or mencoder

2022-03-20 Thread tomas
On Sun, Mar 20, 2022 at 07:34:53AM -0400, lou wrote: > > Thank tomas! > > it seems i have used wrong keywords > > with "ffmpeg concatenate" as keywords, bing.com can return desired url > > duckduckgo.com seems blocked in china Many thanks for the hint. Cheers -- tomás signature.asc Descrip

Re: how to join 2 video files with ffmpeg or mencoder

2022-03-20 Thread lou
Thank tomas! it seems i have used wrong keywords with "ffmpeg concatenate" as keywords, bing.com can return desired url duckduckgo.com seems blocked in china

Re: how to join 2 video files with ffmpeg or mencoder

2022-03-20 Thread Nicolas George
lou (12022-03-20): > and then resized with same ffmpeg command to reduce file size The advice to use the concat demuxer were sound if it was not for this tidbit of information. Since you are transcoding the files, you should be concatenating before transcoding, as anything else is way less robust.

Re: how to join 2 video files with ffmpeg or mencoder

2022-03-20 Thread tomas
On Sun, Mar 20, 2022 at 06:08:52AM -0400, lou wrote: [...] > i have used bing.com to search answer, but it doesn't show > https://trac.ffmpeg.org/wiki/Concatenate on 1st page May I sell you another search engine, then https://html.duckduckgo.com/html/?q=ffmpeg+concatenate+files Yours above

Re: how to join 2 video files with ffmpeg or mencoder

2022-03-20 Thread lou
Thank Pankaj Jangid and Teemu Likonen! it's more complicated than i thought from https://trac.ffmpeg.org/wiki/Concatenate ffmpeg -i input1.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate1.ts ffmpeg -i input2.mp4 -c copy -bsf:v h264_mp4toannexb -f mpegts intermediate2.ts ffmpeg -i "co

Re: how to join 2 video files with ffmpeg or mencoder

2022-03-20 Thread Teemu Likonen
* 2022-03-20 04:14:47-0400, lou wrote: > i have 2 video files, they are of same format because they are both > created by android's screen recorder and then resized with same ffmpeg > command to reduce file size now i want to concatenate them with ffmpeg > or mencoder how to specify options using

Re: how to join 2 video files with ffmpeg or mencoder

2022-03-20 Thread Pankaj Jangid
lou writes: > i have 2 video files, they are of same format > > because they are both created by android's screen recorder > > and then resized with same ffmpeg command to reduce file size > > now i want to concatenate them with ffmpeg or mencoder > > how to specify options using either command?