Bug#849840: libavformat57: enable libopenmpt support

[James Cowgill]

Hi,

On 01/01/17 19:42, Andreas Cadhalpun wrote:
> Hi James,
> 
> On 01.01.2017 02:12, James Cowgill wrote:
>> I think that libopenmpt should be enabled in the Debian ffmpeg package.
>> libopenmpt-dev is in the archive right now.
>>
>> libopenmpt is designed to be a replacement for libmodplug as it handles
>> the same types of files. There is an FAQ documenting the differences
>> here: https://lib.openmpt.org/libopenmpt/#sec_faq. The major advantage
>> is that it has a fairly active upstream compared to libmodplug and
>> certain modules play better with it.
>>
>> I don't know if libmodplug has to be disabled, but presumably ffmpeg
>> will choose one over the other for the vast majority of cases so I'm not
>> sure it's worth it having both enabled.
> 
> Thanks for filing such a detailed bug report.
> 
> I'm all for replacing libmodplug with a better maintained alternative,
> however, the ffmpeg libopenmpt demuxer currently has bug causing
> head-buffer-overflows in libopenmpt. I expect that the fix [1] will
> make it into the next ffmpeg bugfix release, so I intend to switch
> to libopenmpt when importing that.

Thanks! That sounds fine.

James

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