[Libav-user] Cached frames

[J Decker]

On Thu, Jul 23, 2015 at 5:13 PM, Gonzalo Garramuno <ggarra13 at gmail.com>
wrote:

> I understand that some video (and audio) codecs cache frames to decode B
> frames for example.  In order to retrieve the last frames of such movies,
> it is needed to call av_read_frame and wait for an error of AVERROR_EOF
> which then means I need to pass packets with NULL and size 0.
> This is all dandy.  However, I would like to know in advance how many
> times I will need to pass packets with NULL and size 0.  Is there a way to
> know this?
>
> until it stops returning a frame.

> --
> Gonzalo Garramuño
>
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