[FFmpeg-user] ffmpeg 4.0.2 and above missing 'ffio_open_dyn_packet_buf' from avformat.lib & avformat.dll

Dinesh Gupta dinesh.gupta01 at gmail.com
Tue Dec 11 20:28:00 EET 2018

Hi Eugne,

My intention was that how may I use 'ffio_open_dyn_packet_buf'  function
from avformat.lib & avformat.dll. Which is internal function according to
It will be very helpful if you provide some examples or samples.
As you mention previously use 'av_'  as prefix. But no such functions

If any way I may include this function while building ffmpeg from source.
It will more helpful.

Please guide me with with some sample.

I am very naive in c & c++.
Please don't mind of this type of silly question

Dinesh Gupta

On Tue, Dec 11, 2018, 10:07 PM Carl Eugen Hoyos <ceffmpeg at gmail.com wrote:

> 2018-12-11 17:08 GMT+01:00, Dinesh Gupta <dinesh.gupta01 at gmail.com>:
> > Please explain bit more. How can I achieve that?
> What should I explain more, what did you try, what did not work?
> > When same thing Compiled in Ubuntu 16.04 at that time their were
> > no such issue. But when compiled with wingw32 on window
> > machine functions is missing.
> Yes, you used an internal function before (which you shouldn't do)
> and - not surprisingly - the internal function was removed from
> the outside view without any warning.
> Carl Eugen
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