[FFmpeg-devel] [PATCH 2/2] avformat/mxfenc: support XAVC long gop

Carl Eugen Hoyos ceffmpeg at gmail.com
Wed Apr 10 23:26:54 EEST 2019

2019-04-10 2:40 GMT+02:00, Baptiste Coudurier <baptiste.coudurier at gmail.com>:
>> On Apr 9, 2019, at 5:24 PM, James Almer <jamrial at gmail.com> wrote:

>> More than one ffmpeg release will ship with libavcodec/libavformat
>> sharing the same soname. Backwards compatibility is expected, hence the
>> split between major, minor and micro, as you're meant to be able to drop
>> a newer libavcodec library, say for example ffmpeg 4.1's
>> libavcodec.58.so, and it should work with an existing libavformat.so.58
>> that was linked against ffmpeg 4.0's libavcodec.58.so.
> Sorry to repeat the question but when did that change ?
> Which practical use case are we covering here ?
> You were never supposed to update libavcodec without
> updating libavformat If you use libavformat in the first place.

While we have violated this before, we of course claim
compatibility, so this argument is not helpful, sorry.

Carl Eugen

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