Peter White <peter.wh...@posteo.net> writes: > On Fri, Mar 26, 2021 at 07:02:13PM +0100, Cecil Westerhof via ffmpeg-user > wrote: >> Carl Zwanzig <c...@tuunq.com> writes: >> >> > On 3/26/2021 9:28 AM, Cecil Westerhof via ffmpeg-user wrote: >> >> There is only one problem. The video is 7:21 long, but both mpv and >> >> vlc think it is 7:30 long. >> > >> > IME, the metadata length often lies. When you say it's 7:21, is that >> > exactly how long it plays for or how long it ought to be? >> >> I almost never have this. (If I remember well, only with videos >> created with ffmpeg. Sometimes it started on a negative timestamp >> instead of 00:00:00.) >> >> Looking at the -to you would expect 7:22, but when I just play it, it >> ends at 7:21. > > You can try using -to as an input option as well. I am not sure, but I > seem to remember having similar problems once. Also, have a look at -t > for defining the length of the file as opposed to cutting on time code.
That is what I did first. Then I got 1:34:19 (or something like it). So even worse. > Plus, from your original post it looks like there is some additional > "data" stream in there, which might get copied. Sometime ffmpeg needs to > wait for that to finish or an opportune position to stop. Maybe that is > the culprit here. Have a look into the -map option, i.e. -map V -map a > should only give you video and audio but drop everything else. I will look into that. >> >> ffprobe version 4.1.6-1~deb10u1 Copyright (c) 2007-2020 the FFmpeg >> >> developers >> > >> > That's an older version, even though it wouldn't help on this, it's >> > always best to check with as current as you can get. >> >> I am using Debian (stable). That always uses older versions. >> I could look if there is a newer version in backports. > > You can compile it yourself as well. It is not that difficult. Might > need to hunt down some libraries, but that is basically just looking at > the error messages of configure and finding the appropriate packages. > Also, config.log and apt-file can help a great deal. I will look into that also. -- Cecil Westerhof Senior Software Engineer LinkedIn: http://www.linkedin.com/in/cecilwesterhof _______________________________________________ ffmpeg-user mailing list ffmpeg-user@ffmpeg.org https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email ffmpeg-user-requ...@ffmpeg.org with subject "unsubscribe".
