[FFmpeg-devel] [FFmpeg-cvslog] w32pthreads: always use Vista+ API, drop XP support

[James Almer]

On 1/1/2018 11:58 PM, Michael Niedermayer wrote:
> On Tue, Jan 02, 2018 at 03:55:18AM +0100, Michael Niedermayer wrote:
>> On Tue, Dec 26, 2017 at 01:50:08AM +0000, wm4 wrote:
>>> ffmpeg | branch: master | wm4 <nfxjfg at googlemail.com> | Thu Dec 21 20:23:14 2017 +0100| [9b121dfc32810250938021952aab4172a988cb56] | committer: wm4
>>>
>>> w32pthreads: always use Vista+ API, drop XP support
>>>
>>> This removes the XP compatibility code, and switches entirely to SWR
>>> locks, which are available starting at Windows Vista.
>>>
>>> This removes CRITICAL_SECTION use, which allows us to add
>>> PTHREAD_MUTEX_INITIALIZER, which will be useful later.
>>>
>>> Windows XP is hereby not a supported build target anymore. It was
>>> decided in a project vote that this is OK.
>>>
>>>> http://git.videolan.org/gitweb.cgi/ffmpeg.git/?a=commit;h=9b121dfc32810250938021952aab4172a988cb56
>>> ---
>>>
>>>  Changelog                  |   2 +
>>>  compat/w32pthreads.h       | 266 ++-------------------------------------------
>>>  configure                  |  13 ++-
>>>  libavcodec/pthread_frame.c |   4 -
>>>  libavcodec/pthread_slice.c |   4 -
>>>  libavfilter/pthread.c      |   4 -
>>>  libavutil/slicethread.c    |   4 -
>>>  7 files changed, 19 insertions(+), 278 deletions(-)
>>
>> This breaks mingw32 / wine support on ubuntu 14.04
>> the code simply crashes at runtime
> 
> Heres what wine provides as debug info:
> 
> Unhandled exception: unimplemented function KERNEL32.dll.InitializeConditionVariable called in 32-bit code (0x7bc4e590).

Guess this means Wine doesn't support Vista+ API? At least not the one
in Ubuntu 14.04.