I would like to use the PNG reader that comes with FFMPEG in my program
as it is multithreaded and quite fast. However, I don't know how to set
the starting frame number ( -start_number ) nor the length of frames to
read. Reading img2dec.c, I found out about VideoDemuxData. Currently,
the class VideoDemuxData is private to libavformat, and is located in a
private .h file (img2.h). So I am stumped.
My question is: is there any way in libav to set the value of
-start_number or, more to the point, have the png reader start/end at a
particular frame?
Thanks in advance.
--
Gonzalo Garramuño
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