Bug#720824: opal: FTBFS with libav9: h263-1998.cxx:320:27: error: 'CODEC_FLAG_H263P_UMV' was not declared in this scope

[Sebastian Ramacher]

On 2013-09-06 16:16:59, Eugen Dedu wrote:
> On 06/09/13 15:34, Moritz Muehlenhoff wrote:
> >On Sun, Aug 25, 2013 at 03:22:31PM +0200, David Suárez wrote:
> >>Source: opal
> >>Version: 3.10.10~dfsg-2
> >>Severity: serious
> >>Tags: jessie sid
> >>User: debian-qa at lists.debian.org
> >>Usertags: qa-ftbfs-20130825 qa-ftbfs
> >>Justification: FTBFS on amd64
> >>
> >>Hi,
> >>
> >>During a rebuild of all packages in sid, your package failed to build on
> >>amd64.
> >>
> >>Related to current libav9 transition (see #706798).
> >>
> >>>                                                                         ^
> >>>h263-1998.cxx: In member function 'virtual bool H263_RFC2190_EncoderContext::Init()':
> >>>h263-1998.cxx:606:24: error: 'CODEC_FLAG_H263P_UMV' was not declared in this scope
> >>>    m_context->flags &= ~CODEC_FLAG_H263P_UMV;
> >>>                         ^
> >>>h263-1998.cxx:611:24: error: 'CODEC_FLAG_H263P_AIV' was not declared in this scope
> >>>    m_context->flags &= ~CODEC_FLAG_H263P_AIV;
> >>>                         ^
> >>>h263-1998.cxx:612:24: error: 'CODEC_FLAG_H263P_SLICE_STRUCT' was not declared in this scope
> >>>    m_context->flags &= ~CODEC_FLAG_H263P_SLICE_STRUCT;
> >>>                         ^
> >>>make[5]: *** [/«PKGBUILDDIR»/plugins/../lib_linux_x86_64/plugins/h263_ffmpeg/h263-1998.o] Error 1
> >
> >This is fixed in the version from experimental (ptlib from experimental is also needed),
> >which compiles fine against current libav.
> 
> Thank you for this information.
> 
> Note that ekiga does not yet work with opal/experimental, so opal
> cannot go to unstable right now.

Would it be possible to backport the libav 9 fixes for now? I found some
patches on the web that make it compile, but they don't fix
plugins/video/common/dyna.cxx which uses dlopen/dlsym to look up the
(old) libav symbols (thankfully this is properly fixed in experimental).
From what I can tell it might be enough to just replace the loading and
calls to Fav* in FFMPEGLibrary with plain calls of av* functions.

Regards
-- 
Sebastian Ramacher
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