[Libav-user] H264 intra frame coding

[Richard Hussong]

On Sun, Apr 25, 2021 at 8:15 PM laddoe <xyfix at hotmail.com> wrote:

> Hello,
>
> I'm trying to use h264 with intra frame coding, but I can't seem to
> understand why my code isn't fully working. I can see that the first 13
> frames aren't written to the file while all the other frames are. I have
> 120 images that needs to be encoded of which the first one is very
> important because it's a registration image. I understand that the first
> few frames send to the encoder will be buffered and as soon as a frame is
> available it can  be written, as I have done in my code. But how can I make
> sure that the buffered frames are written as well?
>
I don't see why the first few frames aren't written, but it looks as though
you aren't flushing the codec by sending a null frame at the end. This
would cause the last few buffered frames not to be written. Not the same
problem, but a problem nonetheless.

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