Hi, All,
I'm trying to use libavcodec (without libavformat) to encode my own bitmap
frames stream into H.264-based FLV. I have my own code for FLV format
writing, and it works well for H.263. Now I'm trying to add H.264 encoding
to this my project.
The main unclear point is about so called Composition Time Offset (CTO)
which should be saved in every video frame of the FLV stream. I see, that
libX264 internally provides both dts and pts values, measured in time_base
units. And CTO = PTS - DTS. But I don't see a way to transfer dts value to
calling procedure, because of the problem, mentioned in the libx264.c code:
/* FIXME: libx264 now provides DTS, but AVFrame doesn't have a field for it.
*/
x4->out_pic.pts = pic_out.i_pts;
My question is: has anybody an idea, how to overcome this issue? Any help
would be appreciated.
Best regards,
Alex
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