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On 08/27/2011 11:39 PM, Luca Barbato wrote: On 8/26/11 9:06 AM, Camera Man wrote:Thanks. I will look into that. How many chapters is reasonable? e.g., if I have 500 chapters (every few seconds of a long video), will that work reasonable? That's what I'll probably be doing. Is there a way to encode that into pts/dts, and having the first ever pts not zero?(b) is there a general way to encode *wall-clock* time into a file Imetadata streams and per-frame metadata might fit. again you need a container supporting this kind of stuff. Nothing wrong with subtitles - except that I'll have to have a new subtitle for every frame (or 5), and I suspect there's some standard for adding wall clock visual timestamp that I'm not aware of.(d) is there a way, other than subtitles, to add a visual timestamp toWhat's wrong with subtitles? (e) is there a way to tell, without decoding the video stream, that a True. Then, I assume there is no standard way supported by libav to tell that? for (b) (wall clock), assume an mp4 or avi file; if I don't start Yes, they are very different - basically one of the requirements is "produces standard files playable by other programs or standalone dvd/blueray/mp4 player". plain h264 - my preference and what I'm developing with now (because of how simple they are) are not good enough because there is not even a standard way to encode timing information in them. Thanks for the thoughtful reply! |
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