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// Avisynth C Interface Version 0.20
// Copyright 2003 Kevin Atkinson
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA, or visit
// http://www.gnu.org/copyleft/gpl.html .
//
// As a special exception, I give you permission to link to the
// Avisynth C interface with independent modules that communicate with
// the Avisynth C interface solely through the interfaces defined in
// avisynth_c.h, regardless of the license terms of these independent
// modules, and to copy and distribute the resulting combined work
// under terms of your choice, provided that every copy of the
// combined work is accompanied by a complete copy of the source code
// of the Avisynth C interface and Avisynth itself (with the version
// used to produce the combined work), being distributed under the
// terms of the GNU General Public License plus this exception. An
// independent module is a module which is not derived from or based
// on Avisynth C Interface, such as 3rd-party filters, import and
// export plugins, or graphical user interfaces.
#ifndef AVS_CAPI_H
#define AVS_CAPI_H
#ifdef __cplusplus
# define EXTERN_C extern "C"
#else
# define EXTERN_C
#endif
#ifdef BUILDING_AVSCORE
# if defined(GCC) && defined(X86_32)
# define AVSC_CC
# else // MSVC builds and 64-bit GCC
# ifndef AVSC_USE_STDCALL
# define AVSC_CC __cdecl
# else
# define AVSC_CC __stdcall
# endif
# endif
#else // needed for programs that talk to AviSynth+
# ifndef AVSC_WIN32_GCC32 // see comment below
# ifndef AVSC_USE_STDCALL
# define AVSC_CC __cdecl
# else
# define AVSC_CC __stdcall
# endif
# else
# define AVSC_CC
# endif
#endif
// On 64-bit Windows, there's only one calling convention,
// so there is no difference between MSVC and GCC. On 32-bit,
// this isn't true. The convention that GCC needs to use to
// even build AviSynth+ as 32-bit makes anything that uses
// it incompatible with 32-bit MSVC builds of AviSynth+.
// The AVSC_WIN32_GCC32 define is meant to provide a user
// switchable way to make builds of FFmpeg to test 32-bit
// GCC builds of AviSynth+ without having to screw around
// with alternate headers, while still default to the usual
// situation of using 32-bit MSVC builds of AviSynth+.
// Hopefully, this situation will eventually be resolved
// and a broadly compatible solution will arise so the
// same 32-bit FFmpeg build can handle either MSVC or GCC
// builds of AviSynth+.
#define AVSC_INLINE static __inline
#ifdef BUILDING_AVSCORE
# define AVSC_EXPORT __declspec(dllexport)
# define AVSC_API(ret, name) EXTERN_C AVSC_EXPORT ret AVSC_CC name
#else
# define AVSC_EXPORT EXTERN_C __declspec(dllexport)
# ifndef AVSC_NO_DECLSPEC
# define AVSC_API(ret, name) EXTERN_C __declspec(dllimport) ret AVSC_CC name
# else
# define AVSC_API(ret, name) typedef ret (AVSC_CC *name##_func)
# endif
#endif
#endif //AVS_CAPI_H
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