Diffstat (limited to 'core/multimedia/opieplayer/libflash/jmorecfg.h') (more/less context) (ignore whitespace changes)
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diff --git a/core/multimedia/opieplayer/libflash/jmorecfg.h b/core/multimedia/opieplayer/libflash/jmorecfg.h new file mode 100644 index 0000000..54a7d1c --- a/dev/null +++ b/core/multimedia/opieplayer/libflash/jmorecfg.h | |||
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1 | /* | ||
2 | * jmorecfg.h | ||
3 | * | ||
4 | * Copyright (C) 1991-1997, Thomas G. Lane. | ||
5 | * This file is part of the Independent JPEG Group's software. | ||
6 | * For conditions of distribution and use, see the accompanying README file. | ||
7 | * | ||
8 | * This file contains additional configuration options that customize the | ||
9 | * JPEG software for special applications or support machine-dependent | ||
10 | * optimizations. Most users will not need to touch this file. | ||
11 | */ | ||
12 | |||
13 | |||
14 | /* | ||
15 | * Define BITS_IN_JSAMPLE as either | ||
16 | * 8 for 8-bit sample values (the usual setting) | ||
17 | * 12 for 12-bit sample values | ||
18 | * Only 8 and 12 are legal data precisions for lossy JPEG according to the | ||
19 | * JPEG standard, and the IJG code does not support anything else! | ||
20 | * We do not support run-time selection of data precision, sorry. | ||
21 | */ | ||
22 | |||
23 | #define BITS_IN_JSAMPLE 8/* use 8 or 12 */ | ||
24 | |||
25 | |||
26 | /* | ||
27 | * Maximum number of components (color channels) allowed in JPEG image. | ||
28 | * To meet the letter of the JPEG spec, set this to 255. However, darn | ||
29 | * few applications need more than 4 channels (maybe 5 for CMYK + alpha | ||
30 | * mask). We recommend 10 as a reasonable compromise; use 4 if you are | ||
31 | * really short on memory. (Each allowed component costs a hundred or so | ||
32 | * bytes of storage, whether actually used in an image or not.) | ||
33 | */ | ||
34 | |||
35 | #define MAX_COMPONENTS 10/* maximum number of image components */ | ||
36 | |||
37 | |||
38 | /* | ||
39 | * Basic data types. | ||
40 | * You may need to change these if you have a machine with unusual data | ||
41 | * type sizes; for example, "char" not 8 bits, "short" not 16 bits, | ||
42 | * or "long" not 32 bits. We don't care whether "int" is 16 or 32 bits, | ||
43 | * but it had better be at least 16. | ||
44 | */ | ||
45 | |||
46 | /* Representation of a single sample (pixel element value). | ||
47 | * We frequently allocate large arrays of these, so it's important to keep | ||
48 | * them small. But if you have memory to burn and access to char or short | ||
49 | * arrays is very slow on your hardware, you might want to change these. | ||
50 | */ | ||
51 | |||
52 | #if BITS_IN_JSAMPLE == 8 | ||
53 | /* JSAMPLE should be the smallest type that will hold the values 0..255. | ||
54 | * You can use a signed char by having GETJSAMPLE mask it with 0xFF. | ||
55 | */ | ||
56 | |||
57 | #ifdef HAVE_UNSIGNED_CHAR | ||
58 | |||
59 | typedef unsigned char JSAMPLE; | ||
60 | #define GETJSAMPLE(value) ((int) (value)) | ||
61 | |||
62 | #else /* not HAVE_UNSIGNED_CHAR */ | ||
63 | |||
64 | typedef char JSAMPLE; | ||
65 | #ifdef CHAR_IS_UNSIGNED | ||
66 | #define GETJSAMPLE(value) ((int) (value)) | ||
67 | #else | ||
68 | #define GETJSAMPLE(value) ((int) (value) & 0xFF) | ||
69 | #endif /* CHAR_IS_UNSIGNED */ | ||
70 | |||
71 | #endif /* HAVE_UNSIGNED_CHAR */ | ||
72 | |||
73 | #define MAXJSAMPLE255 | ||
74 | #define CENTERJSAMPLE128 | ||
75 | |||
76 | #endif /* BITS_IN_JSAMPLE == 8 */ | ||
77 | |||
78 | |||
79 | #if BITS_IN_JSAMPLE == 12 | ||
80 | /* JSAMPLE should be the smallest type that will hold the values 0..4095. | ||
81 | * On nearly all machines "short" will do nicely. | ||
82 | */ | ||
83 | |||
84 | typedef short JSAMPLE; | ||
85 | #define GETJSAMPLE(value) ((int) (value)) | ||
86 | |||
87 | #define MAXJSAMPLE4095 | ||
88 | #define CENTERJSAMPLE2048 | ||
89 | |||
90 | #endif /* BITS_IN_JSAMPLE == 12 */ | ||
91 | |||
92 | |||
93 | /* Representation of a DCT frequency coefficient. | ||
94 | * This should be a signed value of at least 16 bits; "short" is usually OK. | ||
95 | * Again, we allocate large arrays of these, but you can change to int | ||
96 | * if you have memory to burn and "short" is really slow. | ||
97 | */ | ||
98 | |||
99 | typedef short JCOEF; | ||
100 | |||
101 | |||
102 | /* Compressed datastreams are represented as arrays of JOCTET. | ||
103 | * These must be EXACTLY 8 bits wide, at least once they are written to | ||
104 | * external storage. Note that when using the stdio data source/destination | ||
105 | * managers, this is also the data type passed to fread/fwrite. | ||
106 | */ | ||
107 | |||
108 | #ifdef HAVE_UNSIGNED_CHAR | ||
109 | |||
110 | typedef unsigned char JOCTET; | ||
111 | #define GETJOCTET(value) (value) | ||
112 | |||
113 | #else /* not HAVE_UNSIGNED_CHAR */ | ||
114 | |||
115 | typedef char JOCTET; | ||
116 | #ifdef CHAR_IS_UNSIGNED | ||
117 | #define GETJOCTET(value) (value) | ||
118 | #else | ||
119 | #define GETJOCTET(value) ((value) & 0xFF) | ||
120 | #endif /* CHAR_IS_UNSIGNED */ | ||
121 | |||
122 | #endif /* HAVE_UNSIGNED_CHAR */ | ||
123 | |||
124 | |||
125 | /* These typedefs are used for various table entries and so forth. | ||
126 | * They must be at least as wide as specified; but making them too big | ||
127 | * won't cost a huge amount of memory, so we don't provide special | ||
128 | * extraction code like we did for JSAMPLE. (In other words, these | ||
129 | * typedefs live at a different point on the speed/space tradeoff curve.) | ||
130 | */ | ||
131 | |||
132 | /* UINT8 must hold at least the values 0..255. */ | ||
133 | |||
134 | #ifdef HAVE_UNSIGNED_CHAR | ||
135 | typedef unsigned char UINT8; | ||
136 | #else /* not HAVE_UNSIGNED_CHAR */ | ||
137 | #ifdef CHAR_IS_UNSIGNED | ||
138 | typedef char UINT8; | ||
139 | #else /* not CHAR_IS_UNSIGNED */ | ||
140 | typedef short UINT8; | ||
141 | #endif /* CHAR_IS_UNSIGNED */ | ||
142 | #endif /* HAVE_UNSIGNED_CHAR */ | ||
143 | |||
144 | /* UINT16 must hold at least the values 0..65535. */ | ||
145 | |||
146 | #ifdef HAVE_UNSIGNED_SHORT | ||
147 | typedef unsigned short UINT16; | ||
148 | #else /* not HAVE_UNSIGNED_SHORT */ | ||
149 | typedef unsigned int UINT16; | ||
150 | #endif /* HAVE_UNSIGNED_SHORT */ | ||
151 | |||
152 | /* INT16 must hold at least the values -32768..32767. */ | ||
153 | |||
154 | #ifndef XMD_H /* X11/xmd.h correctly defines INT16 */ | ||
155 | typedef short INT16; | ||
156 | #endif | ||
157 | |||
158 | /* INT32 must hold at least signed 32-bit values. */ | ||
159 | |||
160 | #ifndef XMD_H /* X11/xmd.h correctly defines INT32 */ | ||
161 | typedef long INT32; | ||
162 | #endif | ||
163 | |||
164 | /* Datatype used for image dimensions. The JPEG standard only supports | ||
165 | * images up to 64K*64K due to 16-bit fields in SOF markers. Therefore | ||
166 | * "unsigned int" is sufficient on all machines. However, if you need to | ||
167 | * handle larger images and you don't mind deviating from the spec, you | ||
168 | * can change this datatype. | ||
169 | */ | ||
170 | |||
171 | typedef unsigned int JDIMENSION; | ||
172 | |||
173 | #define JPEG_MAX_DIMENSION 65500L /* a tad under 64K to prevent overflows */ | ||
174 | |||
175 | |||
176 | /* These macros are used in all function definitions and extern declarations. | ||
177 | * You could modify them if you need to change function linkage conventions; | ||
178 | * in particular, you'll need to do that to make the library a Windows DLL. | ||
179 | * Another application is to make all functions global for use with debuggers | ||
180 | * or code profilers that require it. | ||
181 | */ | ||
182 | |||
183 | /* a function called through method pointers: */ | ||
184 | #define METHODDEF(type) static type | ||
185 | /* a function used only in its module: */ | ||
186 | #define LOCAL(type) static type | ||
187 | /* a function referenced thru EXTERNs: */ | ||
188 | #define GLOBAL(type) type | ||
189 | /* a reference to a GLOBAL function: */ | ||
190 | #define EXTERN(type) extern type | ||
191 | |||
192 | |||
193 | /* This macro is used to declare a "method", that is, a function pointer. | ||
194 | * We want to supply prototype parameters if the compiler can cope. | ||
195 | * Note that the arglist parameter must be parenthesized! | ||
196 | * Again, you can customize this if you need special linkage keywords. | ||
197 | */ | ||
198 | |||
199 | #ifdef HAVE_PROTOTYPES | ||
200 | #define JMETHOD(type,methodname,arglist) type (*methodname) arglist | ||
201 | #else | ||
202 | #define JMETHOD(type,methodname,arglist) type (*methodname) () | ||
203 | #endif | ||
204 | |||
205 | |||
206 | /* Here is the pseudo-keyword for declaring pointers that must be "far" | ||
207 | * on 80x86 machines. Most of the specialized coding for 80x86 is handled | ||
208 | * by just saying "FAR *" where such a pointer is needed. In a few places | ||
209 | * explicit coding is needed; see uses of the NEED_FAR_POINTERS symbol. | ||
210 | */ | ||
211 | |||
212 | #ifdef NEED_FAR_POINTERS | ||
213 | #define FAR far | ||
214 | #else | ||
215 | #define FAR | ||
216 | #endif | ||
217 | |||
218 | |||
219 | /* | ||
220 | * On a few systems, type boolean and/or its values FALSE, TRUE may appear | ||
221 | * in standard header files. Or you may have conflicts with application- | ||
222 | * specific header files that you want to include together with these files. | ||
223 | * Defining HAVE_BOOLEAN before including jpeglib.h should make it work. | ||
224 | */ | ||
225 | |||
226 | #ifndef HAVE_BOOLEAN | ||
227 | typedef int boolean; | ||
228 | #endif | ||
229 | #ifndef FALSE /* in case these macros already exist */ | ||
230 | #define FALSE 0 /* values of boolean */ | ||
231 | #endif | ||
232 | #ifndef TRUE | ||
233 | #define TRUE1 | ||
234 | #endif | ||
235 | |||
236 | |||
237 | /* | ||
238 | * The remaining options affect code selection within the JPEG library, | ||
239 | * but they don't need to be visible to most applications using the library. | ||
240 | * To minimize application namespace pollution, the symbols won't be | ||
241 | * defined unless JPEG_INTERNALS or JPEG_INTERNAL_OPTIONS has been defined. | ||
242 | */ | ||
243 | |||
244 | #ifdef JPEG_INTERNALS | ||
245 | #define JPEG_INTERNAL_OPTIONS | ||
246 | #endif | ||
247 | |||
248 | #ifdef JPEG_INTERNAL_OPTIONS | ||
249 | |||
250 | |||
251 | /* | ||
252 | * These defines indicate whether to include various optional functions. | ||
253 | * Undefining some of these symbols will produce a smaller but less capable | ||
254 | * library. Note that you can leave certain source files out of the | ||
255 | * compilation/linking process if you've #undef'd the corresponding symbols. | ||
256 | * (You may HAVE to do that if your compiler doesn't like null source files.) | ||
257 | */ | ||
258 | |||
259 | /* Arithmetic coding is unsupported for legal reasons. Complaints to IBM. */ | ||
260 | |||
261 | /* Capability options common to encoder and decoder: */ | ||
262 | |||
263 | #define DCT_ISLOW_SUPPORTED/* slow but accurate integer algorithm */ | ||
264 | #define DCT_IFAST_SUPPORTED/* faster, less accurate integer method */ | ||
265 | #define DCT_FLOAT_SUPPORTED/* floating-point: accurate, fast on fast HW */ | ||
266 | |||
267 | /* Encoder capability options: */ | ||
268 | |||
269 | #undef C_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ | ||
270 | #define C_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ | ||
271 | #define C_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ | ||
272 | #define ENTROPY_OPT_SUPPORTED /* Optimization of entropy coding parms? */ | ||
273 | /* Note: if you selected 12-bit data precision, it is dangerous to turn off | ||
274 | * ENTROPY_OPT_SUPPORTED. The standard Huffman tables are only good for 8-bit | ||
275 | * precision, so jchuff.c normally uses entropy optimization to compute | ||
276 | * usable tables for higher precision. If you don't want to do optimization, | ||
277 | * you'll have to supply different default Huffman tables. | ||
278 | * The exact same statements apply for progressive JPEG: the default tables | ||
279 | * don't work for progressive mode. (This may get fixed, however.) | ||
280 | */ | ||
281 | #define INPUT_SMOOTHING_SUPPORTED /* Input image smoothing option? */ | ||
282 | |||
283 | /* Decoder capability options: */ | ||
284 | |||
285 | #undef D_ARITH_CODING_SUPPORTED /* Arithmetic coding back end? */ | ||
286 | #define D_MULTISCAN_FILES_SUPPORTED /* Multiple-scan JPEG files? */ | ||
287 | #define D_PROGRESSIVE_SUPPORTED /* Progressive JPEG? (Requires MULTISCAN)*/ | ||
288 | #define SAVE_MARKERS_SUPPORTED /* jpeg_save_markers() needed? */ | ||
289 | #define BLOCK_SMOOTHING_SUPPORTED /* Block smoothing? (Progressive only) */ | ||
290 | #define IDCT_SCALING_SUPPORTED /* Output rescaling via IDCT? */ | ||
291 | #undef UPSAMPLE_SCALING_SUPPORTED /* Output rescaling at upsample stage? */ | ||
292 | #define UPSAMPLE_MERGING_SUPPORTED /* Fast path for sloppy upsampling? */ | ||
293 | #define QUANT_1PASS_SUPPORTED /* 1-pass color quantization? */ | ||
294 | #define QUANT_2PASS_SUPPORTED /* 2-pass color quantization? */ | ||
295 | |||
296 | /* more capability options later, no doubt */ | ||
297 | |||
298 | |||
299 | /* | ||
300 | * Ordering of RGB data in scanlines passed to or from the application. | ||
301 | * If your application wants to deal with data in the order B,G,R, just | ||
302 | * change these macros. You can also deal with formats such as R,G,B,X | ||
303 | * (one extra byte per pixel) by changing RGB_PIXELSIZE. Note that changing | ||
304 | * the offsets will also change the order in which colormap data is organized. | ||
305 | * RESTRICTIONS: | ||
306 | * 1. The sample applications cjpeg,djpeg do NOT support modified RGB formats. | ||
307 | * 2. These macros only affect RGB<=>YCbCr color conversion, so they are not | ||
308 | * useful if you are using JPEG color spaces other than YCbCr or grayscale. | ||
309 | * 3. The color quantizer modules will not behave desirably if RGB_PIXELSIZE | ||
310 | * is not 3 (they don't understand about dummy color components!). So you | ||
311 | * can't use color quantization if you change that value. | ||
312 | */ | ||
313 | |||
314 | #define RGB_RED 0/* Offset of Red in an RGB scanline element */ | ||
315 | #define RGB_GREEN 1/* Offset of Green */ | ||
316 | #define RGB_BLUE 2/* Offset of Blue */ | ||
317 | #define RGB_PIXELSIZE 3/* JSAMPLEs per RGB scanline element */ | ||
318 | |||
319 | |||
320 | /* Definitions for speed-related optimizations. */ | ||
321 | |||
322 | |||
323 | /* If your compiler supports inline functions, define INLINE | ||
324 | * as the inline keyword; otherwise define it as empty. | ||
325 | */ | ||
326 | |||
327 | #ifndef INLINE | ||
328 | #ifdef __GNUC__ /* for instance, GNU C knows about inline */ | ||
329 | #define INLINE __inline__ | ||
330 | #endif | ||
331 | #ifndef INLINE | ||
332 | #define INLINE /* default is to define it as empty */ | ||
333 | #endif | ||
334 | #endif | ||
335 | |||
336 | |||
337 | /* On some machines (notably 68000 series) "int" is 32 bits, but multiplying | ||
338 | * two 16-bit shorts is faster than multiplying two ints. Define MULTIPLIER | ||
339 | * as short on such a machine. MULTIPLIER must be at least 16 bits wide. | ||
340 | */ | ||
341 | |||
342 | #ifndef MULTIPLIER | ||
343 | #define MULTIPLIER int /* type for fastest integer multiply */ | ||
344 | #endif | ||
345 | |||
346 | |||
347 | /* FAST_FLOAT should be either float or double, whichever is done faster | ||
348 | * by your compiler. (Note that this type is only used in the floating point | ||
349 | * DCT routines, so it only matters if you've defined DCT_FLOAT_SUPPORTED.) | ||
350 | * Typically, float is faster in ANSI C compilers, while double is faster in | ||
351 | * pre-ANSI compilers (because they insist on converting to double anyway). | ||
352 | * The code below therefore chooses float if we have ANSI-style prototypes. | ||
353 | */ | ||
354 | |||
355 | #ifndef FAST_FLOAT | ||
356 | #ifdef HAVE_PROTOTYPES | ||
357 | #define FAST_FLOAT float | ||
358 | #else | ||
359 | #define FAST_FLOAT double | ||
360 | #endif | ||
361 | #endif | ||
362 | |||
363 | #endif /* JPEG_INTERNAL_OPTIONS */ | ||