[Libav-user] Seeking, timestamps, AVFrame, AVStream
jpboard2 at yahoo.com
Mon Sep 16 16:19:02 CEST 2013
>Try looking at the documentation in the header files, in this case
>avcodec.h. It should help you quite a bit.
Yes, I looked at avcodec.h and could not find what I wanted. When I was
previously discussing the inaccuracy of floating-point numbers and how I wanted
to use frame numbers in editing, everyone said I should be using timestamps.
Then I complained that timestamps were specified by floating-point numbers
which aren't accurate. Then Nicolas George said something like the timestamps
stored internally were exact. So where are those timestamps stored?
When I asked how to calculate a timestamp as a function of the frame number,
the answer was I can't do that. Instead, I should merely read the timestamp. Okay,
I'm taking the advice. Where do I read the timestamp from? Is it stored in
AVFrame, AVPacket, the stream, the CodecContext? It it best_effort_timestamp?
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