[FFmpeg-devel] [FFmpeg-cvslog] Merge commit '2758cdedfb7ac61f8b5e4861f99218b6fd43491d'

[Thierry Foucu]

On Wed, May 4, 2016 at 1:58 PM, Derek Buitenhuis <derek.buitenhuis at gmail.com
> wrote:

> On 5/4/2016 9:52 PM, wm4 wrote:
> > This was never allowed and was never public API. Use custom I/O instead
> > (creating an avio context with your own read/write callbacks).
>
>
Can i ask why it cannot be part of the public API?
It was really practical just to register new prefix, specially, when you
have to create X number of them.
I think this should be a feature. We allow to register filter, codec,
muxer/demuxer, why not URL



> Yes, I was thinking something akin to:
>
> int my_open(...)
> {
>     if (filename_has_prefix("myownproto://")) {
>         ctx->opaque = myOwnContext;
>         return my_own_open(...);
>     }
>     return avio_open(...);
> }
>
> int my_read(...)
> {
>     if (ctx->opaque != NULL)
>         return my_own_code(...);
>
>     return avio_read(...);
> }
>
> Maybe this should be documented somewhere concretely as a Way To Do Things.
>

Do you have an example how to do it? How to register my_open, my_read,
my_seek ?


>
> - Derek
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