[FFmpeg-user] After disabling Dolby codecs, no conversion to MP4 possible

[Takashi]

On 12/09/2014 04:42 PM, Carl Eugen Hoyos wrote:
> Takashi <ffmpeg-list <at> dubistmeinheld.de> writes:
> 
>> I have disabled Dolby codecs in the ffmpeg 
>> configuration statement due to licensing issues.
> 
> Please understand that to the best of my knowledge, 
> this simply makes no sense for us, and support is 
> therefore very limited.
> (People have claimed that every single function of 
> FFmpeg is covered by as many "intellectual rights" 
> as the Dolby codecs.)
> 
>> Now I can't convert to MP4 anymore. (I have this 
>> setup for a while now and it seems to be a 
>> regression, as far as I can remember, it worked
>> before).
> 
> Since this is a regression, I posted a patch 
> that you can apply manually until it is 
> committed:
> http://thread.gmane.org/gmane.comp.video.ffmpeg.devel/186633

The patch is working.

> Unrelated:
> 
>>   configuration: --enable-gpl 
> 
>> --enable-zlib
> 
> This option has no effect (and often leads to 
> misunderstandings), please remove it.
> 
>> --enable-libopenjpeg
> 
>> --enable-version3
> 
> I am very surprised that you fear license issues 
> but are using this option...
> 
>> --disable-shared --enable-static 
> 
>> --enable-nonfree
> 
> I don't think this has the effect that you 
> believe it has, I suggest you remove it.
> 
>> --enable-libx264 
> 
>> --disable-encoder=ac3_fixed --disable-encoder=ac3
>> --disable-decoder=ac3 --disable-decoder=eac3
> 
> For many years, you can use:
> --disable-encoder=ac3* --disable-decoder=ac3,eac3
> simplifying your configure line
> 
> I thought dts has nothing to do with Dolby...

Thank you very much for you thorough answer.