Hi, > On Jul 16, 2020, at 08:39, Moritz Barsnick <[email protected]> wrote: > > On Thu, Jul 16, 2020 at 07:22:39 -0500, fowman wrote: >> No, I have the same on all three. > > Ah, okay. *All* you players are able to scale the 720x576 video to > fullscreen (automatically?), and *NONE* of them manages that with the > 1280x720 video? That seems very unlikely. With every 1280x720 video? Or > just this one? > > I'm guessing the latter video is letterboxed, i.e. a large black box > around it is encoded in the video. If you can share, we could tell. > > If not, I know of no such property which would prevent such a video > from being scaled. Generally speaking, all these players should somehow > decode into a framebuffer, and then scale that, regardless of what the > original video file says. > > Moritz
I don't know if they are not used in all players but MP4 file format can contain the "clean-aperture" region info as well as matrices to specify sample transformations before the presentation should be displayed by default. Regards, Ted Park _______________________________________________ ffmpeg-user mailing list [email protected] https://ffmpeg.org/mailman/listinfo/ffmpeg-user To unsubscribe, visit link above, or email [email protected] with subject "unsubscribe".
