Fixes: CID1257658

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Wrap the function calls in a similar fashion to how it's being done
with the critical section API.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

This silences warnings about passing arguments from incompatible pointer type
when targeting Windows Vista or newer.

Signed-off-by: James Almer <jamrial@gmail.com>
Signed-off-by: Martin Storsjö <martin@martin.st>

compat/w32pthreads: use the condition variable API directly when targeting newer versions of Windows

Wrap the function calls in a similar fashion to how it's being done
with the critical section API.

Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

This silences warnings about passing arguments from incompatible pointer type
when targeting Windows Vista or newer.

Tested-by: Matt Oliver <protogonoi@gmail.com>
Reviewed-by: Michael Niedermayer <michaelni@gmx.at>
Signed-off-by: James Almer <jamrial@gmail.com>

Signed-off-by: Diego Biurrun <diego@biurrun.de>

This avoids annoying warnings about unused functions. The compatibility
wrapper is designed to provide a complete (stub) API, so some functions
being unused by some files is natural and no reason for a warning.

When explicitly targeting Vista or newer (which only happens if the
caller explicitly sets _WIN32_WINNT to a high enough value via the
extra cflags option - otherwise configure script sets
-D_WIN32_WINNT=0x0502), we already unconditionally link to the
ConditionVariable functions, since 4622f11f.

Similarly use the newer -Ex versions of CreateEvent, CreateSemaphore,
InitializeCriticalSection and WaitForSingleObject, that all appeared
in Vista. When building Windows Store applications, the older versions
of these functions aren't available, only the -Ex functions. When
doing such a build, the user can set -D_WIN32_WINNT=0x0600 to
forcibly use the newer functions instead.

Signed-off-by: Martin Storsjö <martin@martin.st>

The values of {FLT,DBL}_{MAX,MIN} macros on some systems (older musl
libc, some BSD flavours) are not exactly representable, i.e.
(double)DBL_MAX == DBL_MAX is false
This violates (at least some interpretations of) the C99 standard and
breaks code (e.g. in vf_fps) like
double f = DBL_MAX;
[...]
if (f == DBL_MAX) { // f has not been changed yet
    [....]
}

Correct the FSF address for two avisynth files to '51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA'

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Since we have this compat/va_copy.h header already we might just as well make
use of it for more than one compiler.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

This allows MSVC 2013 and ICL to build with no external
dependencies.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

Signed-off-by: Dave Yeo <daveryeo@telus.net>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The macros forbidding the system functions no longer exist, obviating
the need for the #undefs.

This reverts commit 4622f11f.

The compiler should be able to do the dead code elimination now
without this when the cond_* names point directly to the real
functions instead of to local function pointers.

Signed-off-by: Martin Storsjö <martin@martin.st>

This reduces the call overhead slightly. More noticeably, it
restores the earlier (unintended?) feature that condition variable
functions work just fine even if w32thread_init() hasn't been called.
This was broken as a side effect of 4622f11f, if explicitly targeting
Vista+.

This makes w32threading work in VP8 again, if targeting Vista+.

Signed-off-by: Martin Storsjö <martin@martin.st>

The emulation code is not needed when targetting Vista+
This helps getting rid of CreateSemaphore symbol, which is
forbidden in Windows Store apps.

Signed-off-by: Martin Storsjö <martin@martin.st>

Uses the 2.5 compatibility header included with the variant of
FFMS2 that uses AviSynth's C-interface. A copy of this header is
now provided in compat/avisynth.

avs_get_row_size_p and avs_get_height_p changed between versions
2.5 and 2.6. Since the avisynth_c.h header that avformat uses
assumes AviSynth 2.6, it would cause 2.5 to crash if given any
kind of real video (the Version() function was known to work,
though).

AvxSynth was unaffected by this issue because, despite being based
on AviSynth 2.5.8 and using 2.5.8's interface version number of 3,
it actually uses 2.6's versions of these functions.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Also fix a comment and an #endif comment.

AIX defines a class() function in its math.h header without any
guard.

For useage in other places besides lavc. Needed after commit
90f9a583

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

It will be used in other places than lavc.

The versions of the headers are the same as those provided with x264
for consistency's sake.

Make sure the behavior does not change with the locale.

Signed-off-by: Martin Storsjö <martin@martin.st>

This should fix build after 88d55b82.

As far as I can tell the code should not change behaviour
depending on locale in any of these places.

Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

This adds support for building on Plan 9 x86-32.  The compat/plan9
directory contains these items:

- replacements for the 'head' and 'printf' shell commands
- wrapper for main() to disable FPU exceptions

Larger required changes to the system are described in the
documentation.

Signed-off-by: Mans Rullgard <mans@mansr.com>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

The glibc definitions of INFINITY and NAN do not work with the
tms470 compiler, nor do our usual fallbacks.

Signed-off-by: Mans Rullgard <mans@mansr.com>

All versions of MinGW-w64 prior to version 3, as well as
all versions of MinGW32 have broken implementations of
vsnprintf.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

This conforms to C99, but requires Windows >= XP.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

This conforms to C99, but requires Windows >= XP.

Signed-off-by: Derek Buitenhuis <derek.buitenhuis@gmail.com>

This reverts commit ba537202.
A better implementation has been commited by the same author to qatar

Conflicts:

	configure

Found-by: jamal <jamrial@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>

Signed-off-by: Martin Storsjö <martin@martin.st>

Signed-off-by: Martin Storsjö <martin@martin.st>