[Libav-user] avcodec_receive_frame

[salsaman]

You can't assume 1 packet == 1 frame.



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On Mon, 9 Nov 2020 at 06:09, rohit khali <khali.rohit at gmail.com> wrote:

> Hi,
>
> I am using avcodec_receive_frame() to receive and dump decoded frames.
>
> All my streams are starting with " IDR" OR "I frames(with SPS,PPS)"
> however for a few streams this API immediately returns the decoded frame
> and sometimes with some delay.
>
> Any idea which encoded param does FFMPEG take into account to start giving
> the decoded output as part of avcodec_receive_frame()?
>
> Example:
> *Case:1*
> I (No output)
> P (No output)
> B (I Frame)
> *Case-2:*
> I  (I frame)
> B  (No output)
> B  (No output)
> B (No output)
> P (No output)
> B (No output)
> B (B frame)
>
> Thanks,
> Rohit Khali
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