[Bug 756288] avenc_jpeg2000 and avdec_jpeg2000 can't negotiate caps

[GStreamer (GNOME Bugzilla)]

https://bugzilla.gnome.org/show_bug.cgi?id=756288

Amomum <poganoe at mail.ru> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
         Resolution|DUPLICATE                   |---

--- Comment #2 from Amomum <poganoe at mail.ru> ---
Thiago, I believe you are wrong.

Bug you marked as duplicate is said to be fixed in libav commit
cbc808d726afdf53d866264722785c1304c17390.

The only change I can see there is in file jpeg2000dec.c:
    if (ncomponents > 3) {

became 

    if (ncomponents > 4) {

in function static int get_siz(Jpeg2000DecoderContext *s).

That was in 2014; that fix is present in libav 10.7 and in
gst-libav-1.6.0.tar.xz from which I built gst-libav plugins.

And I honestly don't understand how that fix can be related to gstreamer caps.

Please, correct me if I'm wrong; my understanding of gstreamer and libav source
structure is very poor.

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