170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * jmorecfg.h 370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Copyright (C) 1991-1997, Thomas G. Lane. 570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * This file is part of the Independent JPEG Group's software. 670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * For conditions of distribution and use, see the accompanying README file. 770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * This file contains additional configuration options that customize the 970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * JPEG software for special applications or support machine-dependent 1070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * optimizations. Most users will not need to touch this file. 1170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 1270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 1370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 1470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Define ANDROID_RGB to enable specific optimizations for Android 1570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * JCS_RGBA_8888 support 1670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * JCS_RGB_565 support 1770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 1870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 1970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 20c7389bd69e570a2c8432b37399aff1976b021f0fAndrew Hsieh#include <inttypes.h> 21c7389bd69e570a2c8432b37399aff1976b021f0fAndrew Hsieh 2270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define ANDROID_RGB 2370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 2470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef ANDROID_RGB 2570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define PACK_SHORT_565(r,g,b) ((((r)<<8)&0xf800)|(((g)<<3)&0x7E0)|((b)>>3)) 2670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define PACK_TWO_PIXELS(l,r) ((r<<16) | l) 27c7389bd69e570a2c8432b37399aff1976b021f0fAndrew Hsieh#define PACK_NEED_ALIGNMENT(ptr) (((int)(intptr_t)(ptr))&3) 2870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define WRITE_TWO_PIXELS(addr, pixels) do { \ 2970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine ((INT16*)(addr))[0] = (pixels); \ 3070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine ((INT16*)(addr))[1] = (pixels)>>16; \ 3170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine } while(0) 3270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define WRITE_TWO_ALIGNED_PIXELS(addr, pixels) ((*(INT32*)(addr)) = pixels) 3370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define DITHER_565_R(r, dither) ((r) + ((dither)&0xFF)) 3470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define DITHER_565_G(g, dither) ((g) + (((dither)&0xFF)>>1)) 3570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define DITHER_565_B(b, dither) ((b) + ((dither)&0xFF)) 3670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 3770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 3870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 3970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Define BITS_IN_JSAMPLE as either 4070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 8 for 8-bit sample values (the usual setting) 4170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 12 for 12-bit sample values 4270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Only 8 and 12 are legal data precisions for lossy JPEG according to the 4370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * JPEG standard, and the IJG code does not support anything else! 4470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * We do not support run-time selection of data precision, sorry. 4570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 4670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 4770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define BITS_IN_JSAMPLE 8 /* use 8 or 12 */ 4870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 4970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 5070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 5170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Maximum number of components (color channels) allowed in JPEG image. 5270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * To meet the letter of the JPEG spec, set this to 255. However, darn 5370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * few applications need more than 4 channels (maybe 5 for CMYK + alpha 5470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * mask). We recommend 10 as a reasonable compromise; use 4 if you are 5570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * really short on memory. (Each allowed component costs a hundred or so 5670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * bytes of storage, whether actually used in an image or not.) 5770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 5870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 5970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define MAX_COMPONENTS 10 /* maximum number of image components */ 6070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 6170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 6270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 6370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Basic data types. 6470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * You may need to change these if you have a machine with unusual data 6570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * type sizes; for example, "char" not 8 bits, "short" not 16 bits, 6670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * or "long" not 32 bits. We don't care whether "int" is 16 or 32 bits, 6770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * but it had better be at least 16. 6870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 6970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 7070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Representation of a single sample (pixel element value). 7170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * We frequently allocate large arrays of these, so it's important to keep 7270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * them small. But if you have memory to burn and access to char or short 7370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * arrays is very slow on your hardware, you might want to change these. 7470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 7570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 7670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#if BITS_IN_JSAMPLE == 8 7770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* JSAMPLE should be the smallest type that will hold the values 0..255. 7870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * You can use a signed char by having GETJSAMPLE mask it with 0xFF. 7970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 8070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 8170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_UNSIGNED_CHAR 8270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 8370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef unsigned char JSAMPLE; 8470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define GETJSAMPLE(value) ((int) (value)) 8570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 8670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else /* not HAVE_UNSIGNED_CHAR */ 8770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 8870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef char JSAMPLE; 8970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef CHAR_IS_UNSIGNED 9070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define GETJSAMPLE(value) ((int) (value)) 9170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 9270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define GETJSAMPLE(value) ((int) (value) & 0xFF) 9370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* CHAR_IS_UNSIGNED */ 9470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 9570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* HAVE_UNSIGNED_CHAR */ 9670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 9770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define MAXJSAMPLE 255 9870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define CENTERJSAMPLE 128 9970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 10070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* BITS_IN_JSAMPLE == 8 */ 10170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 10270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 10370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#if BITS_IN_JSAMPLE == 12 10470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* JSAMPLE should be the smallest type that will hold the values 0..4095. 10570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * On nearly all machines "short" will do nicely. 10670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 10770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 10870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef short JSAMPLE; 10970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define GETJSAMPLE(value) ((int) (value)) 11070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 11170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define MAXJSAMPLE 4095 11270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define CENTERJSAMPLE 2048 11370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 11470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* BITS_IN_JSAMPLE == 12 */ 11570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 11670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 11770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Representation of a DCT frequency coefficient. 11870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * This should be a signed value of at least 16 bits; "short" is usually OK. 11970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Again, we allocate large arrays of these, but you can change to int 12070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * if you have memory to burn and "short" is really slow. 12170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 12270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 12370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef short JCOEF; 12470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 12570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 12670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Compressed datastreams are represented as arrays of JOCTET. 12770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * These must be EXACTLY 8 bits wide, at least once they are written to 12870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * external storage. Note that when using the stdio data source/destination 12970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * managers, this is also the data type passed to fread/fwrite. 13070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 13170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 13270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_UNSIGNED_CHAR 13370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 13470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef unsigned char JOCTET; 13570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define GETJOCTET(value) (value) 13670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 13770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else /* not HAVE_UNSIGNED_CHAR */ 13870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 13970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef char JOCTET; 14070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef CHAR_IS_UNSIGNED 14170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define GETJOCTET(value) (value) 14270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 14370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define GETJOCTET(value) ((value) & 0xFF) 14470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* CHAR_IS_UNSIGNED */ 14570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 14670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* HAVE_UNSIGNED_CHAR */ 14770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 14870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 14970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* These typedefs are used for various table entries and so forth. 15070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * They must be at least as wide as specified; but making them too big 15170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * won't cost a huge amount of memory, so we don't provide special 15270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * extraction code like we did for JSAMPLE. (In other words, these 15370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * typedefs live at a different point on the speed/space tradeoff curve.) 15470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 15570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 15670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* UINT8 must hold at least the values 0..255. */ 15770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 15870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_UNSIGNED_CHAR 15970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef unsigned char UINT8; 16070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else /* not HAVE_UNSIGNED_CHAR */ 16170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef CHAR_IS_UNSIGNED 16270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef char UINT8; 16370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else /* not CHAR_IS_UNSIGNED */ 16470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef short UINT8; 16570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* CHAR_IS_UNSIGNED */ 16670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* HAVE_UNSIGNED_CHAR */ 16770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 16870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* UINT16 must hold at least the values 0..65535. */ 16970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 17070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_UNSIGNED_SHORT 17170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef unsigned short UINT16; 17270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else /* not HAVE_UNSIGNED_SHORT */ 17370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef unsigned int UINT16; 17470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* HAVE_UNSIGNED_SHORT */ 17570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 17670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* INT16 must hold at least the values -32768..32767. */ 17770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 17870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef XMD_H /* X11/xmd.h correctly defines INT16 */ 17970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef short INT16; 18070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 18170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 18270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* INT32 must hold at least signed 32-bit values. */ 18370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 18470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef XMD_H /* X11/xmd.h correctly defines INT32 */ 18570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef long INT32; 18670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 18770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 18870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Datatype used for image dimensions. The JPEG standard only supports 18970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * images up to 64K*64K due to 16-bit fields in SOF markers. Therefore 19070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * "unsigned int" is sufficient on all machines. However, if you need to 19170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * handle larger images and you don't mind deviating from the spec, you 19270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * can change this datatype. 19370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 19470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 19570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef unsigned int JDIMENSION; 19670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 19770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define JPEG_MAX_DIMENSION 65500L /* a tad under 64K to prevent overflows */ 19870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 19970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 20070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* These macros are used in all function definitions and extern declarations. 20170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * You could modify them if you need to change function linkage conventions; 20270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * in particular, you'll need to do that to make the library a Windows DLL. 20370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Another application is to make all functions global for use with debuggers 20470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * or code profilers that require it. 20570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 20670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 20770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* a function called through method pointers: */ 20870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define METHODDEF(type) static type 20970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* a function used only in its module: */ 21070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define LOCAL(type) static type 21170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* a function referenced thru EXTERNs: */ 21270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define GLOBAL(type) type 21370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* a reference to a GLOBAL function: */ 21470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define EXTERN(type) extern type 21570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 21670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 21770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* This macro is used to declare a "method", that is, a function pointer. 21870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * We want to supply prototype parameters if the compiler can cope. 21970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Note that the arglist parameter must be parenthesized! 22070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Again, you can customize this if you need special linkage keywords. 22170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 22270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 22370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 22470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define JMETHOD(type,methodname,arglist) type (*methodname) arglist 22570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 22670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define JMETHOD(type,methodname,arglist) type (*methodname) () 22770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 22870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 22970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 23070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Here is the pseudo-keyword for declaring pointers that must be "far" 23170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * on 80x86 machines. Most of the specialized coding for 80x86 is handled 23270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * by just saying "FAR *" where such a pointer is needed. In a few places 23370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * explicit coding is needed; see uses of the NEED_FAR_POINTERS symbol. 23470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 23570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 23670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef NEED_FAR_POINTERS 23770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define FAR far 23870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 23970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define FAR 24070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 24170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 24270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 24370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 24470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * On a few systems, type boolean and/or its values FALSE, TRUE may appear 24570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * in standard header files. Or you may have conflicts with application- 24670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * specific header files that you want to include together with these files. 24770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Defining HAVE_BOOLEAN before including jpeglib.h should make it work. 24870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 24970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 25070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef HAVE_BOOLEAN 25170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkinetypedef int boolean; 25270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 25370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef FALSE /* in case these macros already exist */ 25470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define FALSE 0 /* values of boolean */ 25570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 25670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef TRUE 25770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define TRUE 1 25870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 25970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 26070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 26170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 26270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * The remaining options affect code selection within the JPEG library, 26370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * but they don't need to be visible to most applications using the library. 26470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * To minimize application namespace pollution, the symbols won't be 26570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * defined unless JPEG_INTERNALS or JPEG_INTERNAL_OPTIONS has been defined. 26670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 26770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 26870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef JPEG_INTERNALS 26970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define JPEG_INTERNAL_OPTIONS 27070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 27170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 27270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef JPEG_INTERNAL_OPTIONS 27370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 27470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 27570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 27670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * These defines indicate whether to include various optional functions. 27770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Undefining some of these symbols will produce a smaller but less capable 27870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * library. Note that you can leave certain source files out of the 27970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * compilation/linking process if you've #undef'd the corresponding symbols. 28070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * (You may HAVE to do that if your compiler doesn't like null source files.) 28170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 28270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 28370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Arithmetic coding is unsupported for legal reasons. Complaints to IBM. */ 28470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 28570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Capability options common to encoder and decoder: */ 28670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 28770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define DCT_ISLOW_SUPPORTED /* slow but accurate integer algorithm */ 28870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define DCT_IFAST_SUPPORTED /* faster, less accurate integer method */ 28970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define DCT_FLOAT_SUPPORTED /* floating-point: accurate, fast on fast HW */ 29070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 29170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Encoder capability options: */ 29270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 29370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#undef C_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ 29470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define C_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ 29570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define C_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ 29670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define ENTROPY_OPT_SUPPORTED /* Optimization of entropy coding parms? */ 29770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Note: if you selected 12-bit data precision, it is dangerous to turn off 29870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * ENTROPY_OPT_SUPPORTED. The standard Huffman tables are only good for 8-bit 29970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * precision, so jchuff.c normally uses entropy optimization to compute 30070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * usable tables for higher precision. If you don't want to do optimization, 30170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * you'll have to supply different default Huffman tables. 30270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * The exact same statements apply for progressive JPEG: the default tables 30370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * don't work for progressive mode. (This may get fixed, however.) 30470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 30570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define INPUT_SMOOTHING_SUPPORTED /* Input image smoothing option? */ 30670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 30770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Decoder capability options: */ 30870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 30970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#undef D_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ 31070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define D_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ 31170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define D_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ 31270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define SAVE_MARKERS_SUPPORTED /* jpeg_save_markers() needed? */ 31370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define BLOCK_SMOOTHING_SUPPORTED /* Block smoothing? (Progressive only) */ 31470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define IDCT_SCALING_SUPPORTED /* Output rescaling via IDCT? */ 31570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#undef UPSAMPLE_SCALING_SUPPORTED /* Output rescaling at upsample stage? */ 31670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define UPSAMPLE_MERGING_SUPPORTED /* Fast path for sloppy upsampling? */ 31770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define QUANT_1PASS_SUPPORTED /* 1-pass color quantization? */ 31870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define QUANT_2PASS_SUPPORTED /* 2-pass color quantization? */ 31970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 32070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* more capability options later, no doubt */ 32170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 32270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 32370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* 32470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Ordering of RGB data in scanlines passed to or from the application. 32570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * If your application wants to deal with data in the order B,G,R, just 32670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * change these macros. You can also deal with formats such as R,G,B,X 32770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * (one extra byte per pixel) by changing RGB_PIXELSIZE. Note that changing 32870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * the offsets will also change the order in which colormap data is organized. 32970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * RESTRICTIONS: 33070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 1. The sample applications cjpeg,djpeg do NOT support modified RGB formats. 33170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 2. These macros only affect RGB<=>YCbCr color conversion, so they are not 33270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * useful if you are using JPEG color spaces other than YCbCr or grayscale. 33370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * 3. The color quantizer modules will not behave desirably if RGB_PIXELSIZE 33470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * is not 3 (they don't understand about dummy color components!). So you 33570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * can't use color quantization if you change that value. 33670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 33770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 33870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define RGB_RED 0 /* Offset of Red in an RGB scanline element */ 33970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define RGB_GREEN 1 /* Offset of Green */ 34070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define RGB_BLUE 2 /* Offset of Blue */ 34170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef ANDROID_RGB 34270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define RGB_ALPHA 3 /* Offset of Alpha */ 34370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 34470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define RGB_PIXELSIZE 3 /* JSAMPLEs per RGB scanline element */ 34570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 34670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* Definitions for speed-related optimizations. */ 34770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 34870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 34970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* If your compiler supports inline functions, define INLINE 35070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * as the inline keyword; otherwise define it as empty. 35170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 35270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 35370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef INLINE 35470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef __GNUC__ /* for instance, GNU C knows about inline */ 35570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define INLINE __inline__ 35670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 35770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef INLINE 35870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define INLINE /* default is to define it as empty */ 35970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 36070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 36170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 36270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 36370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* On some machines (notably 68000 series) "int" is 32 bits, but multiplying 36470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * two 16-bit shorts is faster than multiplying two ints. Define MULTIPLIER 36570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * as short on such a machine. MULTIPLIER must be at least 16 bits wide. 36670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 36770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 36870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef MULTIPLIER 369f897702251443b531b2ded93df71ffd87fbae076Andrew Hsieh#ifdef ANDROID_INTELSSE2_IDCT 370f897702251443b531b2ded93df71ffd87fbae076Andrew Hsieh #define MULTIPLIER short 371f897702251443b531b2ded93df71ffd87fbae076Andrew Hsieh#else 37270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define MULTIPLIER int /* type for fastest integer multiply */ 37370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 374f897702251443b531b2ded93df71ffd87fbae076Andrew Hsieh#endif 37570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 37670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 37770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine/* FAST_FLOAT should be either float or double, whichever is done faster 37870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * by your compiler. (Note that this type is only used in the floating point 37970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * DCT routines, so it only matters if you've defined DCT_FLOAT_SUPPORTED.) 38070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * Typically, float is faster in ANSI C compilers, while double is faster in 38170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * pre-ANSI compilers (because they insist on converting to double anyway). 38270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine * The code below therefore chooses float if we have ANSI-style prototypes. 38370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine */ 38470a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 38570a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifndef FAST_FLOAT 38670a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#ifdef HAVE_PROTOTYPES 38770a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define FAST_FLOAT float 38870a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#else 38970a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#define FAST_FLOAT double 39070a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 39170a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif 39270a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine 39370a18cd874a22452aca9e39e22275ed4538ed20bVladimir Chtchetkine#endif /* JPEG_INTERNAL_OPTIONS */ 394