Commit 11881196 authored by Stephen Hutchinson's avatar Stephen Hutchinson Committed by Luca Barbato

avisynth: update documentation about the avisynth_c.h header

Signed-off-by: default avatarLuca Barbato <lu_zero@gentoo.org>
parent a8c99205
......@@ -145,20 +145,25 @@ enable it.
@section AviSynth
Libav can read AviSynth scripts as input. To enable support you need a
suitable @file{avisynth_c.h} header to compile against. The header in
classic AviSynth's CVS repository is not compatible as it has not been
updated to support AviSynth 2.6. AviSynth 2.5 is not supported by Libav.
Once you have the appropriate header, pass @code{--enable-avisynth} to
configure to enable AviSynth support.
suitable @file{avisynth_c.h} header to compile against. The header as
provided by AviSynth+ is fully compatible. AviSynth 2.5 is not supported
by Libav. Once you have the appropriate header, pass
@code{--enable-avisynth} to configure to enable AviSynth support.
For Windows, supported AviSynth variants are
@url{http://avisynth.nl, AviSynth 2.6} for 32-bit builds and
@url{http://avs-plus.net, AviSynth+ 0.1} for 32-bit and 64-bit builds.
The necessary @file{avisynth_c.h} header is the variant in the @file{extras/}
directory of the @url{https://www.videolan.org/developers/x264.html, x264}
source tree. For convenience, this header is also available from a
@url{https://github.com/qyot27/avisynth_headers, temporary repository}
along with an installation routine.
@url{https://github.com/AviSynth/AviSynthPlus, AviSynth+'s git repository}
provides a GNU-style Makefile which can install just the headers using
@code{make install PREFIX=/install/prefix}.
@float NOTE
When using AviSynth+'s installed headers, the user must also pass
the avisynth/ include directory to @code{--extra-cflags}. For example,
if the PREFIX given to AviSynth+'s Makefile was /usr/i686-w64-mingw32,
then the correct command would be
@code{--extra-cflags="-I/usr/i686-w64-mingw32/include/avisynth"}.
@end float
For Linux and OS X, the supported AviSynth variant is
@url{https://github.com/avxsynth/avxsynth, AvxSynth}.
......
......@@ -27,16 +27,7 @@
/* Enable function pointer definitions for runtime loading. */
#define AVSC_NO_DECLSPEC
/* Platform-specific directives for AviSynth vs AvxSynth.
*
* avisynth_c.h needs to be the one provided with x264, as
* the one in AviSynth's CVS hasn't been updated to support
* 2.6's extra colorspaces. A temporary source of that header,
* installable from a GNU-style Makefile is available from
* github.com/qyot27/avisynth_headers -- AvxSynth doesn't
* require this kind of special treatment because like any
* standard *nix application, it installs its headers
* alongside its libs. */
/* Platform-specific directives for AviSynth vs AvxSynth. */
#ifdef _WIN32
#include <windows.h>
#undef EXTERN_C
......
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