[asterisk-users] G729 copy protection

[Bruce McAlister]

Bruce McAlister wrote:
> Jason Parker wrote:
> 
>> Bruce,
>>     Please see my response to some of these questions on July 23rd.
>>
>> http://lists.digium.com/pipermail/asterisk-users/2007-July/192473.html
>>
>> I'm not entirely certain of what libraries we statically link in, but if you
>> see any problems with the output of `ldd codec_g729.so`, those will of course
>> need to be installed.
>>
> 
> Hi Jason,
> 
> Thanks for the information, it appears then that you have built the
> codec on Solaris 10 (not OpenSolaris).
> 
> Do you know if the build was done against the libraries that come with
> Solaris 10, or did you have newer libraries installed that would be
> required?
> 
> An "ldd codec_g729.so" yields the following:
> 
> ldd ./codec_g729a.so
> libgcc_s.so.1 =>         /usr/sfw/lib/libgcc_s.so.1
> libc.so.1 =>             /lib/libc.so.1
> libm.so.2 =>             /lib/libm.so.2
> 
> however an "ldd -r codec_g729a.so" yields the following:
> 
> ldd -r ./codec_g729a.so
> libgcc_s.so.1 =>         /usr/sfw/lib/libgcc_s.so.1
> libc.so.1 =>     /lib/libc.so.1 symbol not found: ast_cli_unregister
>         (./codec_g729a.so)
>         symbol not found: ast_translator_activate
> (./codec_g729a.so)
>         symbol not found: ast_translator_activate
> (./codec_g729a.so)
>         symbol not found: log10         (./codec_g729a.so)
>         symbol not found: log10         (./codec_g729a.so)
>         symbol not found: log10         (./codec_g729a.so)
>         symbol not found: log10         (./codec_g729a.so)
>         symbol not found: log10         (./codec_g729a.so)
>         symbol not found: pow           (./codec_g729a.so)
>         symbol not found: cos           (./codec_g729a.so)
>         symbol not found: acos          (./codec_g729a.so)
>         symbol not found: sqrt          (./codec_g729a.so)
>         symbol not found: sqrt          (./codec_g729a.so)
>         symbol not found: sqrt          (./codec_g729a.so)
>         symbol not found: sqrt          (./codec_g729a.so)
>         symbol not found: sqrt          (./codec_g729a.so)
>         symbol not found: sqrt          (./codec_g729a.so)
>         symbol not found: ast_verbose           (./codec_g729a.so)
>         symbol not found: ast_verbose           (./codec_g729a.so)
>         symbol not found: ast_verbose           (./codec_g729a.so)
>         symbol not found: ast_module_register           (./codec_g729a.so)
>         symbol not found: connect               (./codec_g729a.so)
>         symbol not found: ast_cli_register              (./codec_g729a.so)
>         symbol not found: ast_cli               (./codec_g729a.so)
>         symbol not found: ast_config_AST_VAR_DIR
> (./codec_g729a.so)
>         symbol not found: ast_config_AST_VAR_DIR
> (./codec_g729a.so)
>         symbol not found: socket                (./codec_g729a.so)
>         symbol not found: socket                (./codec_g729a.so)
>         symbol not found: socket                (./codec_g729a.so)
>         symbol not found: __ast_register_translator
> (./codec_g729a.so)
>         symbol not found: __ast_register_translator
> (./codec_g729a.so)
>         symbol not found: ast_unregister_translator
> (./codec_g729a.so)
>         symbol not found: ast_unregister_translator
> (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_log               (./codec_g729a.so)
>         symbol not found: ast_module_unregister         (./codec_g729a.so)
>         symbol not found: ast_trans_frameout            (./codec_g729a.so)
>         symbol not found: ast_translator_deactivate
> (./codec_g729a.so)
>         symbol not found: ast_translator_deactivate
> (./codec_g729a.so)
>         symbol not found: shutdown              (./codec_g729a.so)
>         symbol not found: shutdown              (./codec_g729a.so)
>         symbol not found: option_verbose                (./codec_g729a.so)
>         symbol not found: option_verbose                (./codec_g729a.so)
>         symbol not found: option_verbose                (./codec_g729a.so)
>         libm.so.2 =>     /lib/libm.so.2
> 
> 
> The strange thing here is that one would have thought that the following
> symbols would be part of the math library (libm), however, they are
> undefined/not found here:
> 
> cos,
> acos,
> sqrt
> 
> The rest of the symbols I can only assume are exported by the asterisk
> binary.
> 
> I'm just wondering if there are any particular libraries that are needed
> within a standard solaris build that you are building against.
> 
> If not, what is it that the G729 codec attempts to do upon startup that
> would cause the "copy protection failed" message?
> 
> Have you actually managed to get the codec loaded on an asterisk build
> on solaris, and managed to perform a "show g729"?
> 
> Any tips/suggestions/comments are most welcome.
> 
> Thanks
> Bruce
> 

Anyone got any ideas about this one, is it a build issue? Could someone
from Digium please confirm if they do link in specific versions of
libraries?