Signed-off-by: Michael Niedermayer <michael@niedermayer.cc>

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

The description of AV_LOG_PANIC 100% matches what av_assert
does, while AV_LOG_FATAL does not really.
Signed-off-by: Reimar Döffinger <Reimar.Doeffinger@gmx.de>

Add missing multiple inclusion guards; clean up #endif comments;
add missing library prefixes; keep guard names consistent.

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

Originally committed as revision 25286 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25285 to svn://svn.ffmpeg.org/ffmpeg/trunk

This avoids conflicts with the system assert.h.

Originally committed as revision 25284 to svn://svn.ffmpeg.org/ffmpeg/trunk

Originally committed as revision 25279 to svn://svn.ffmpeg.org/ffmpeg/trunk

With this the developer can now choose if he wants an assert always enabled or at which
compile time assert level. This can thus replace the #define NDEBUG hacks

Originally committed as revision 25278 to svn://svn.ffmpeg.org/ffmpeg/trunk