Here is a link to zipped copies of originals placed on my dropbox account. I zipped them in order to reduce the likelihood that they're changed by the file hosting service.
https://www.dropbox.com/s/31civbxpe1utote/2016-01-02%2C%20Tour%20Warm%20Up.zip?dl=0 On Tue, Jan 5, 2016 at 2:08 PM, Moritz Barsnick <[email protected]> wrote: > On Tue, Jan 05, 2016 at 13:30:07 -0600, Matthew Adams wrote: > > I pulled the files off of the iPhone using iExplorer, a nice little tool > to > > get at the iOS filesystem. > > Hmm. Something tells me this isn't the raw video as it comes from your > device, but it was manipulated by Google (Drive) after your upload: > > $ sha1sum variable-bitrate-sample.mov > 3820bb93784835f2257299008fed2fafeaacd5c5 variable-bitrate-sample.mov > $ ffmpeg -i variable-bitrate-sample.mov > ffmpeg version 2.6.5 Copyright (c) 2000-2015 the FFmpeg developers > [...] > Metadata: > creation_time : 2016-01-03 05:53:31 > handler_name : IsoMedia File Produced by Google, 5-11-2011 > > I don't think any Apple product inserts such metadata. ;-) > > Googl(ouch!)ing a bit, it does seem iOS creates variable frame rate > videos. But usually, they are detected as such, or in other words, the > headers and timestamps properly reflect that. > > So I think Google Drive ruined your video by doing some bad CFR magic > to it. > > The video as *I* get it from your Google drive is not fixable without > manual analysis of the timeline. Likely the original video which is (or > has remained) on your iPhone is different. If it doesn't play fine > there either, the video recording software fooled you, or did this > effect on purpose due to some configuration. If it does play correctly > on the iPhone though, you may need to find a different way to get that > file to us. You probably wouldn't even need to fix it if Google Drive > (your way to share the videos with others?) didn't mess it up. > > ffmpeg *can* convert VFR to CFR if need be (for the sake of players > which can't handle the former). > > Moritz > _______________________________________________ > ffmpeg-user mailing list > [email protected] > http://ffmpeg.org/mailman/listinfo/ffmpeg-user > -- mailto:[email protected] <[email protected]> skype:matthewadams12 googletalk:[email protected] http://matthewadams.me http://www.linkedin.com/in/matthewadams _______________________________________________ ffmpeg-user mailing list [email protected] http://ffmpeg.org/mailman/listinfo/ffmpeg-user
