[Audacity-devel] Bug#888332: audacity: FTBFS with FFmpeg 3.5

[James Cowgill]

Hi,

On 27/01/18 18:30, Paul Licameli wrote:
> On Sat, Jan 27, 2018 at 1:18 PM, Jaromír Mikeš <mira.mikes at gmail.com> wrote:
>> 2018-01-26 21:00 GMT+01:00 Paul Licameli <paul.licameli at gmail.com>:
>>> On Fri, Jan 26, 2018 at 2:51 PM, Darrell Walisser <
>>> darrell.walisser at gmail.com> wrote:
>>>> On Thu, Jan 25, 2018 at 1:19 AM, Jaromír Mikeš <mira.mikes at gmail.com>
>>>> wrote:
>>>>> Hello audacity developers,
>>>>>
>>>>> current audacity release doesn't build with upcoming ffmpeg 3.5.
>>>>> As we in debian build audacity against system-wide ffmpeg it can be
>>>>> serious problem in near future
>>>>> and audacity might be removed from debian archive.
>>>>>
>>>>> https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=888332
>>>>>
>>>>> best regards
>>>>>
>>>>> mira
>>>>>
>>>> ​I have a fix for this in progress. Hope this note avoids any
>>>> duplication of effort.​
>>>
>>> That will be most welcome.
>>>
>>> Our intention is to release 2.2.2 beta very soon.  I hope Debian will
>>> allow us one more release to include Darrell's fixes.
>>>
>>> PRL
>>
>> ​Hi James,
>>
>> audacity devs already are working on ffmpep 3.5 support ​... but it will
>> not probably go to upcoming release.
>> When do you plan ffmpeg transition ?

It will definitely not happen before 3.5 is released upstream. After
that I would like to get the majority of the FTBFS bugs fixed before
starting the transition. My current guess is sometime in March or April.

> James, let me update that:
> 
> One of our contributors has already offered fixes for this, which was much
> less code than I feared.  It has not yet been merged into our master
> branch, but it is probable that it will be for version 2.2.2.  It should be
> compilable either with FFmpeg version 3.5 header files or earlier.  Please
> fetch this commit from his fork and see if it's good enough for your
> purposes.
> 
> https://github.com/audacity/audacity/pull/249/commits/3d173ccef08fe353d9c73ecdf897e7634803a2b4

Thanks. I made one comment on the pull request about handling older
FFmpeg versions correctly. Apart from that I think the PR is fine.

James

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