Hi Matthew, On Wed, Feb 03, 2016 at 18:00:24 -0500, Matthew Mah wrote: > How is the gmtime option used for pts? I want to overlay the time video > frames have been captured onto a video and display the time in a > YYYY-MM-DD HH:MM:SS format.
I think the options gmtime and localtime use the time *at the time of filtering*, not the creation time. (Yes, that may be the same time if you are capturing from a device. ffmpeg can also use the wallclock for timestamping the captured frames though, if that's of help for you.) > I get the error: "Invalid format 'gmtime'". You didn't supply the complete, uncut output of your command. Luckily, on superuser.com, you did. What I needed to see was your versions of ffmpeg and its components. The reason for your error: Your ffmpeg version does not match with the documentation you are using. The feature you are referring to was introduced to git master on October 12, 2015: http://git.videolan.org/?p=ffmpeg.git;a=commitdiff;h=cf28490e564d91c89b4c56e605c6f391bddb9ba9 and hasn't become part of a release as of today. You need to compile (or grab a version which was compiled) from git master to have this feature. Or wait for 2.9, if you need it in a release. (No need to stick to releases, git master is considered stable.) BTW, while I didn't get your error message, the displayed timestamp in my experiment didn't seem correct. But that may be a different issue or just me. Moritz _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
