[Ffmpeg-devel] [PATCH]faq.texi missing --enable-gpl in liba52 take care ?

[Panagiotis Issaris]

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Michael Niedermayer schreef:
> Hi
> 
> On Mon, Feb 19, 2007 at 05:26:51PM +0100, Dujardin Bernard wrote:
>> Hi,
>> @section Why does ffmpeg not decode audio in VOB files ?
>>
>> The audio is AC3 (a.k.a. A/52). AC3 decoding is an optional component in 
>> ffmpeg
>> as the component that handles AC3 decoding (liba52) is currently 
>> released under
>> the GPL. If you have liba52 installed on your system, enable AC3 decoding
>> with @code{./configure --enable-a52 -}. Take care: by
>> enabling AC3, you automatically change the license of libavcodec from
>> LGPL to GPL.
>>
>> The last sentence may suggest that the configure script change 
>> automatically the
>> --enable-gpl option.
>>
>> When I read the configure script, it die  with :
>>
>> liba52 is under GPL and --enable-gpl is not specified
>>
>> if disabled gpl ; then
>>    die_gpl_disabled(){
>>        name=$1
>>        shift
>>        enabled_any $@ && die "$name is under GPL and --enable-gpl is 
>> not specified."
>>    }
>>    die_gpl_disabled "The Postprocessing code" pp
>>    die_gpl_disabled "liba52"                  liba52
>>    die_gpl_disabled "libxvidcore"             xvid
>>    die_gpl_disabled "x264"                    x264
>>    die_gpl_disabled "libdts"                  libdts
>>    die_gpl_disabled "FAAD2"                   libfaad2
>>    die_gpl_disabled "The X11 grabber"         x11grab
>>    die_gpl_disabled "The software scaler"     swscaler
>> fi
>>
>> I Suggest another writing like
>>
>> the GPL. If you have liba52 installed on your system, enable AC3 decoding
>> with @code{./configure --enable-a52 --enable-gpl}. Take care: by
>>                                                          ^^^^^^^^^^
>> enabling AC3, you automatically change the license of libavcodec from
>> LGPL to GPL.
>>
>> Patch joined
>>
>> ok to apply ?
> 
> yes
Patch applied.

With friendly regards,
Takis
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