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-rw-r--r--Game/Code/lib/ffmpeg/swscale.pas214
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+(*
+ * Copyright (C) 2001-2003 Michael Niedermayer <michaelni@gmx.at>
+ *
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * FFmpeg 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with FFmpeg; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
+ *)
+(*
+ * @file swscale.h
+ * @brief
+ * external api for the swscale stuff
+ *)
+
+(*
+ * Revision: 24800, Thu Oct 18 09:30:33 2007 UTC
+ *)
+
+unit swscale;
+
+{$IFDEF FPC}
+ {$MODE DELPHI }
+ {$PACKENUM 4} (* use 4-byte enums *)
+ {$PACKRECORDS C} (* C/C++-compatible record packing *)
+{$ELSE}
+ {$MINENUMSIZE 4} (* use 4-byte enums *)
+{$ENDIF}
+
+interface
+
+uses
+ avutil,
+ UConfig;
+
+const
+ (* Max. supported version by this header *)
+ LIBSWSCALE_MAX_VERSION_MAJOR = 0;
+ LIBSWSCALE_MAX_VERSION_MINOR = 5;
+ LIBSWSCALE_MAX_VERSION_RELEASE = 0;
+ LIBSWSCALE_MAX_VERSION = (LIBSWSCALE_MAX_VERSION_MAJOR * VERSION_MAJOR) +
+ (LIBSWSCALE_MAX_VERSION_MINOR * VERSION_MINOR) +
+ (LIBSWSCALE_MAX_VERSION_RELEASE * VERSION_RELEASE);
+
+(* Check if linked versions are supported *)
+{$IF (LIBSWSCALE_VERSION > LIBSWSCALE_MAX_VERSION)}
+ {$MESSAGE Warn 'Linked version of libswscale may be unsupported!'}
+{$IFEND}
+
+type
+ TQuadIntArray = array[0..3] of integer;
+ PQuadIntArray = ^TQuadIntArray;
+ TIntArray = array[0..0] of integer;
+ PIntArray = ^TIntArray;
+ TPByteArray = array[0..0] of Pbyte;
+ PPByteArray = ^TPByteArray;
+
+const
+ LIBSWSCALE_VERSION_INT = ((0 shl 16)+(5 shl 8))+0;
+ LIBSWSCALE_VERSION = '0.5.0';
+ LIBSWSCALE_BUILD = LIBSWSCALE_VERSION_INT;
+
+ LIBSWSCALE_IDENT = 'SwS'+LIBSWSCALE_VERSION;
+
+ {* values for the flags, the stuff on the command line is different *}
+ SWS_FAST_BILINEAR = 1;
+ SWS_BILINEAR = 2;
+ SWS_BICUBIC = 4;
+ SWS_X = 8;
+ SWS_POINT = $10;
+ SWS_AREA = $20;
+ SWS_BICUBLIN = $40;
+ SWS_GAUSS = $80;
+ SWS_SINC = $100;
+ SWS_LANCZOS = $200;
+ SWS_SPLINE = $400;
+
+ SWS_SRC_V_CHR_DROP_MASK = $30000;
+ SWS_SRC_V_CHR_DROP_SHIFT = 16;
+
+ SWS_PARAM_DEFAULT = 123456;
+
+ SWS_PRINT_INFO = $1000;
+
+ //the following 3 flags are not completely implemented
+ //internal chrominace subsampling info
+ SWS_FULL_CHR_H_INT = $2000;
+ //input subsampling info
+ SWS_FULL_CHR_H_INP = $4000;
+ SWS_DIRECT_BGR = $8000;
+ SWS_ACCURATE_RND = $40000;
+
+ SWS_CPU_CAPS_MMX = $80000000;
+ SWS_CPU_CAPS_MMX2 = $20000000;
+ SWS_CPU_CAPS_3DNOW = $40000000;
+ SWS_CPU_CAPS_ALTIVEC = $10000000;
+ SWS_CPU_CAPS_BFIN = $01000000;
+
+ SWS_MAX_REDUCE_CUTOFF = 0.002;
+
+ SWS_CS_ITU709 = 1;
+ SWS_CS_FCC = 4;
+ SWS_CS_ITU601 = 5;
+ SWS_CS_ITU624 = 5;
+ SWS_CS_SMPTE170M = 5;
+ SWS_CS_SMPTE240M = 7;
+ SWS_CS_DEFAULT = 5;
+
+
+type
+
+ // when used for filters they must have an odd number of elements
+ // coeffs cannot be shared between vectors
+ PSwsVector = ^TSwsVector;
+ TSwsVector = record
+ coeff: Pdouble;
+ length: integer;
+ end;
+
+ // vectors can be shared
+ PSwsFilter = ^TSwsFilter;
+ TSwsFilter = record
+ lumH: PSwsVector;
+ lumV: PSwsVector;
+ chrH: PSwsVector;
+ chrV: PSwsVector;
+ end;
+
+ PSwsContext = ^TSwsContext;
+ TSwsContext = record
+ av_class: Pointer;
+ swScale: Pointer;
+ srxW,srcH, dstH: integer;
+ chrSrcW, chrSrcH, chrDstW, chrDstH: integer;
+ lumXInc, chrXInc, lumYInc, chrYInc: integer;
+ dstFormat, srcFormat, origDstFormat, origSrcFormat: integer;
+ chrSrcHSubSample, chrSrcVSubSample, chrIntHSubSample, chrIntVSubSample: integer;
+ chrDstHSubSample, chrDstVSubSample: integer;
+ vChrDrop, sliceDir: integer;
+ param: array[0..1] of double;
+ {internal structure}
+ end;
+
+
+procedure sws_freeContext(swsContext: PSwsContext);
+ cdecl; external sw__scale;
+
+function sws_getContext(srcW: integer; srcH: integer; srcFormat: integer; dstW: integer; dstH: integer;dstFormat: integer; flags: integer;
+ srcFilter: PSwsFilter; dstFilter: PSwsFilter; param: Pdouble): PSwsContext;
+ cdecl; external sw__scale;
+function sws_scale(context: PSwsContext; src: PPByteArray; srcStride: PIntArray; srcSliceY: integer; srcSliceH: integer;
+ dst: PPByteArray; dstStride: PIntArray): integer;
+ cdecl; external sw__scale;
+function sws_scale_ordered(context: PSwsContext; src: PPByteArray; srcStride: PIntArray; srcSliceY: integer;
+ srcSliceH: integer; dst: PPByteArray; dstStride: PIntArray): integer;
+ cdecl; external sw__scale; deprecated;
+
+function sws_setColorspaceDetails(c: PSwsContext; inv_table: PQuadIntArray; srcRange: integer; table: PQuadIntArray; dstRange: integer;
+ brightness: integer; contrast: integer; saturation: integer): integer;
+ cdecl; external sw__scale;
+function sws_getColorspaceDetails(c: PSwsContext; var inv_table: PQuadIntArray; var srcRange: integer; var table: PQuadIntArray; var dstRange: integer;
+ var brightness: integer; var contrast: integer; var saturation: integer): integer;
+ cdecl; external sw__scale;
+function sws_getGaussianVec(variance: double; quality: double): PSwsVector;
+ cdecl; external sw__scale;
+function sws_getConstVec(c: double; length: integer): PSwsVector;
+ cdecl; external sw__scale;
+function sws_getIdentityVec: PSwsVector;
+ cdecl; external sw__scale;
+procedure sws_scaleVec(a: PSwsVector; scalar: double);
+ cdecl; external sw__scale;
+procedure sws_normalizeVec(a: PSwsVector; height: double);
+ cdecl; external sw__scale;
+procedure sws_convVec(a: PSwsVector; b: PSwsVector);
+ cdecl; external sw__scale;
+procedure sws_addVec(a: PSwsVector; b: PSwsVector);
+ cdecl; external sw__scale;
+procedure sws_subVec(a: PSwsVector; b: PSwsVector);
+ cdecl; external sw__scale;
+procedure sws_shiftVec(a: PSwsVector; shift: integer);
+ cdecl; external sw__scale;
+function sws_cloneVec(a: PSwsVector): PSwsVector;
+ cdecl; external sw__scale;
+
+procedure sws_printVec(a: PSwsVector);
+ cdecl; external sw__scale;
+procedure sws_freeVec(a: PSwsVector);
+ cdecl; external sw__scale;
+
+function sws_getDefaultFilter(lumaGBlur: single; chromaGBlur: single; lumaSarpen: single; chromaSharpen: single; chromaHShift: single;
+ chromaVShift: single; verbose: integer): PSwsFilter;
+ cdecl; external sw__scale;
+procedure sws_freeFilter(filter: PSwsFilter);
+ cdecl; external sw__scale;
+
+function sws_getCachedContext(context: PSwsContext;
+ srcW: integer; srcH: integer; srcFormat: integer;
+ dstW: integer; dstH: integer; dstFormat: integer; flags: integer;
+ srcFilter: PSwsFilter; dstFilter: PSwsFilter; param: Pdouble): PSwsContext;
+ cdecl; external sw__scale;
+
+implementation
+
+end.
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