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This will be useful in the following commit.

Adding _POSIX_C_SOURCE to CPPFLAGS globally produces all sorts of problems
since it causes certain system functions to be hidden on some (BSD) systems.
The solution is to only add the flag on systems that really require it, i.e.
glibc-based ones.

This change makes BSD systems compile out-of-the-box without the need for
adding specific flags manually.  It also allows dropping a number of flags
set manually on a file-per-file basis, but were only present to work around
breakage introduced by the presence of _POSIX_C_SOURCE.

Also add _XOPEN_SOURCE to CPPFLAGS for glibc systems.  We use XSI extensions
in several places already, so it is preferable to define it globally instead
of littering source files with individual #defines only needed for glibc.

This hopefully fixes build failures on Dragonfly BSD.
Signed-off-by: Martin Storsjö <martin@martin.st>

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

This also lists the objects from those two libraries as internal (by adding
the ff_ prefix) so that they can then be hidden via linker scripts.

is deprecated and will be dropped at the next major bump.

Originally committed as revision 22735 to svn://svn.ffmpeg.org/ffmpeg/trunk

It is indeed necessary to compile on NetBSD.

Originally committed as revision 22613 to svn://svn.ffmpeg.org/ffmpeg/trunk

Mark bktr_init function as av_cold.
Tested to work by Michael Kostylev on the NetBSD FATE box.

Originally committed as revision 22487 to svn://svn.ffmpeg.org/ffmpeg/trunk

This make NetBSD compile out of the box at the cost of a hack, but a
locally contained one that is preferable to the one used in the wild.
Currently the NetBSD FATE box adds -D_NETBSD_SOURCE to CPPFLAGS to work
around broken system headers. Since it is unlikely for NetBSD to fix their
headers, it is better to use a standard flag instead of a system-specific one.

As a sideeffect, this allows getting rid of a local _NETBSD_SOURCE definition.

Originally committed as revision 22486 to svn://svn.ffmpeg.org/ffmpeg/trunk

NetBSD is unlikely to fix their headers and the FATE box passes it
as -D_NETBSD_SOURCE on the command line anyway. In this case, it's
better to keep the hack well-contained within this file.
Closes issue 886.
patch by Jorge Acereda, jacereda brainstorm es

Originally committed as revision 22164 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19965 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 19920 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 16684 to svn://svn.ffmpeg.org/ffmpeg/trunk

They are now always defined to either 0 or 1.

Originally committed as revision 16590 to svn://svn.ffmpeg.org/ffmpeg/trunk

which sys/types.h will not generate without this.

Originally committed as revision 16089 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Stefano Sabatini, stefano.sabatini-lala poste.it
along with some spelling/consistency fixes for the long names by me

Originally committed as revision 13649 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 13098 to svn://svn.ffmpeg.org/ffmpeg/trunk

Without the #include compilation fails.

Originally committed as revision 12568 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 12521 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 11077 to svn://svn.ffmpeg.org/ffmpeg/trunk

Currently untested; someone with the correct OS and hardware should
test it and report if it works.

Originally committed as revision 11060 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10412 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 10411 to svn://svn.ffmpeg.org/ffmpeg/trunk

the video_grab_device_demuxer AVInputFormat.  Use two different names for the
AVInputFormats to reduce confusion and remove ugliness from the Makefile.

Originally committed as revision 8619 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 8618 to svn://svn.ffmpeg.org/ffmpeg/trunk

ttp://thread.gmane.org/gmane.comp.video.ffmpeg.devel/42920
patch by Ramiro Polla % ramiro A lisha P ufsc P br %
Original thread:
Date: Jan 31, 2007 8:56 PM
Subject: [Ffmpeg-devel] [PATCH] New grabbing interface

Originally committed as revision 7983 to svn://svn.ffmpeg.org/ffmpeg/trunk

AVERROR_ defines are moved to avcodec.h as they are needed in there as well. Feel free to move that to avutil/common.h.
Bumped up avcodec/format version numbers as though it's binary compatible we will want to rebuild apps as error values changed.
Please from now on use return AVERROR(EFOO) instead of the ugly return -EFOO in your code.
This also removes the need for berrno.h.

Originally committed as revision 7965 to svn://svn.ffmpeg.org/ffmpeg/trunk

inspired by a patch from Tatu Kilappa, trilkk iki fi

Originally committed as revision 7374 to svn://svn.ffmpeg.org/ffmpeg/trunk

and fix GPL/LGPL version mismatches.

Originally committed as revision 6577 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5707 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5697 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch from Petr Salinger submitted by Sam Hocevar

Originally committed as revision 5464 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 5146 to svn://svn.ffmpeg.org/ffmpeg/trunk

patch by Luca Abeni, lucabe72 $$at$$ email $$dot$$ it

Originally committed as revision 4916 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 4842 to svn://svn.ffmpeg.org/ffmpeg/trunk