Re: variable frame rate for Theora
Pablo Rodríguez <[email protected]>
| Newsgroups | gmane.comp.multimedia.ogg.theora.devel |
|---|---|
| Message-ID | <[email protected]> |
Thanks, Timothy, for your explanation. Timothy B. Terriberry wrote: > Ralph Giles wrote: >> There is a work around. Duplicating the previous frame is relatively >> cheap, so an encoder could set something like 5 fps, but only update >> the image when there's a change. The current encoder isn't smart >> enough to do this automatically, but a screencast app could force it. > > To clarify, a dropped frame in Theora takes up zero bytes, plus Ogg > framing overhead, which is on the order of one byte. The current encoder > actually always writes out a full frame, but if the video data doesn't > actually change, these are still extremely small (just a few bytes). > Both approaches are on the order of what it would take to add extra > timecodes to each frame to indicate the variable duration in a variable > framerate system (for reasonable framerates). Will this situation change with the new Thusnelda encoder? Thanks for your help, Pablo