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author | Dave Chapman <dave@dchapman.com> | 2009-05-09 01:04:20 +0000 |
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committer | Dave Chapman <dave@dchapman.com> | 2009-05-09 01:04:20 +0000 |
commit | 69db01e72f2de91d35703919bfc9d0700df83e85 (patch) | |
tree | 18a8d01dc3df13c5dc51b813d7ce70e6bec79704 /apps/codecs/libcook/libavutil/internal.h | |
parent | 681a774472eded71f7a82fbfa4c3591f3f98d209 (diff) | |
download | rockbox-69db01e72f2de91d35703919bfc9d0700df83e85.tar.gz rockbox-69db01e72f2de91d35703919bfc9d0700df83e85.zip |
Initial commit of the minimal set of ffmpeg (r18079) files required for Cook (realaudio) decoding. These are the unmodified versions from ffmpeg, committed as a base for future changes.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@20882 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/codecs/libcook/libavutil/internal.h')
-rw-r--r-- | apps/codecs/libcook/libavutil/internal.h | 328 |
1 files changed, 328 insertions, 0 deletions
diff --git a/apps/codecs/libcook/libavutil/internal.h b/apps/codecs/libcook/libavutil/internal.h new file mode 100644 index 0000000000..4191aa8e52 --- /dev/null +++ b/apps/codecs/libcook/libavutil/internal.h | |||
@@ -0,0 +1,328 @@ | |||
1 | /* | ||
2 | * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> | ||
3 | * | ||
4 | * This file is part of FFmpeg. | ||
5 | * | ||
6 | * FFmpeg is free software; you can redistribute it and/or | ||
7 | * modify it under the terms of the GNU Lesser General Public | ||
8 | * License as published by the Free Software Foundation; either | ||
9 | * version 2.1 of the License, or (at your option) any later version. | ||
10 | * | ||
11 | * FFmpeg is distributed in the hope that it will be useful, | ||
12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | ||
14 | * Lesser General Public License for more details. | ||
15 | * | ||
16 | * You should have received a copy of the GNU Lesser General Public | ||
17 | * License along with FFmpeg; if not, write to the Free Software | ||
18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | ||
19 | */ | ||
20 | |||
21 | /** | ||
22 | * @file libavutil/internal.h | ||
23 | * common internal API header | ||
24 | */ | ||
25 | |||
26 | #ifndef AVUTIL_INTERNAL_H | ||
27 | #define AVUTIL_INTERNAL_H | ||
28 | |||
29 | #if !defined(DEBUG) && !defined(NDEBUG) | ||
30 | # define NDEBUG | ||
31 | #endif | ||
32 | |||
33 | #include <limits.h> | ||
34 | #include <stdint.h> | ||
35 | #include <stddef.h> | ||
36 | #include <assert.h> | ||
37 | #include "config.h" | ||
38 | #include "common.h" | ||
39 | #include "mem.h" | ||
40 | #include "timer.h" | ||
41 | |||
42 | #ifndef attribute_align_arg | ||
43 | #if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,2) | ||
44 | # define attribute_align_arg __attribute__((force_align_arg_pointer)) | ||
45 | #else | ||
46 | # define attribute_align_arg | ||
47 | #endif | ||
48 | #endif | ||
49 | |||
50 | #ifndef attribute_used | ||
51 | #if AV_GCC_VERSION_AT_LEAST(3,1) | ||
52 | # define attribute_used __attribute__((used)) | ||
53 | #else | ||
54 | # define attribute_used | ||
55 | #endif | ||
56 | #endif | ||
57 | |||
58 | #ifndef INT16_MIN | ||
59 | #define INT16_MIN (-0x7fff-1) | ||
60 | #endif | ||
61 | |||
62 | #ifndef INT16_MAX | ||
63 | #define INT16_MAX 0x7fff | ||
64 | #endif | ||
65 | |||
66 | #ifndef INT32_MIN | ||
67 | #define INT32_MIN (-0x7fffffff-1) | ||
68 | #endif | ||
69 | |||
70 | #ifndef INT32_MAX | ||
71 | #define INT32_MAX 0x7fffffff | ||
72 | #endif | ||
73 | |||
74 | #ifndef UINT32_MAX | ||
75 | #define UINT32_MAX 0xffffffff | ||
76 | #endif | ||
77 | |||
78 | #ifndef INT64_MIN | ||
79 | #define INT64_MIN (-0x7fffffffffffffffLL-1) | ||
80 | #endif | ||
81 | |||
82 | #ifndef INT64_MAX | ||
83 | #define INT64_MAX INT64_C(9223372036854775807) | ||
84 | #endif | ||
85 | |||
86 | #ifndef UINT64_MAX | ||
87 | #define UINT64_MAX UINT64_C(0xFFFFFFFFFFFFFFFF) | ||
88 | #endif | ||
89 | |||
90 | #ifndef INT_BIT | ||
91 | # define INT_BIT (CHAR_BIT * sizeof(int)) | ||
92 | #endif | ||
93 | |||
94 | #if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC) | ||
95 | # define PIC | ||
96 | #endif | ||
97 | |||
98 | #ifndef offsetof | ||
99 | # define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F)) | ||
100 | #endif | ||
101 | |||
102 | // Use rip-relative addressing if compiling PIC code on x86-64. | ||
103 | #if ARCH_X86_64 && defined(PIC) | ||
104 | # define LOCAL_MANGLE(a) #a "(%%rip)" | ||
105 | #else | ||
106 | # define LOCAL_MANGLE(a) #a | ||
107 | #endif | ||
108 | |||
109 | #define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a) | ||
110 | |||
111 | /* debug stuff */ | ||
112 | |||
113 | /* dprintf macros */ | ||
114 | #ifdef DEBUG | ||
115 | # define dprintf(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__) | ||
116 | #else | ||
117 | # define dprintf(pctx, ...) | ||
118 | #endif | ||
119 | |||
120 | #define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0) | ||
121 | |||
122 | /* math */ | ||
123 | |||
124 | extern const uint32_t ff_inverse[256]; | ||
125 | |||
126 | #if ARCH_X86 | ||
127 | # define FASTDIV(a,b) \ | ||
128 | ({\ | ||
129 | int ret,dmy;\ | ||
130 | __asm__ volatile(\ | ||
131 | "mull %3"\ | ||
132 | :"=d"(ret),"=a"(dmy)\ | ||
133 | :"1"(a),"g"(ff_inverse[b])\ | ||
134 | );\ | ||
135 | ret;\ | ||
136 | }) | ||
137 | #elif HAVE_ARMV6 && HAVE_INLINE_ASM | ||
138 | static inline av_const int FASTDIV(int a, int b) | ||
139 | { | ||
140 | int r, t; | ||
141 | __asm__ volatile("cmp %3, #2 \n\t" | ||
142 | "ldr %1, [%4, %3, lsl #2] \n\t" | ||
143 | "lsrle %0, %2, #1 \n\t" | ||
144 | "smmulgt %0, %1, %2 \n\t" | ||
145 | : "=&r"(r), "=&r"(t) : "r"(a), "r"(b), "r"(ff_inverse)); | ||
146 | return r; | ||
147 | } | ||
148 | #elif ARCH_ARM && HAVE_INLINE_ASM | ||
149 | static inline av_const int FASTDIV(int a, int b) | ||
150 | { | ||
151 | int r, t; | ||
152 | __asm__ volatile ("umull %1, %0, %2, %3" | ||
153 | : "=&r"(r), "=&r"(t) : "r"(a), "r"(ff_inverse[b])); | ||
154 | return r; | ||
155 | } | ||
156 | #elif CONFIG_FASTDIV | ||
157 | # define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*ff_inverse[b])>>32)) | ||
158 | #else | ||
159 | # define FASTDIV(a,b) ((a)/(b)) | ||
160 | #endif | ||
161 | |||
162 | extern const uint8_t ff_sqrt_tab[256]; | ||
163 | |||
164 | static inline av_const unsigned int ff_sqrt(unsigned int a) | ||
165 | { | ||
166 | unsigned int b; | ||
167 | |||
168 | if(a<255) return (ff_sqrt_tab[a+1]-1)>>4; | ||
169 | else if(a<(1<<12)) b= ff_sqrt_tab[a>>4 ]>>2; | ||
170 | #if !CONFIG_SMALL | ||
171 | else if(a<(1<<14)) b= ff_sqrt_tab[a>>6 ]>>1; | ||
172 | else if(a<(1<<16)) b= ff_sqrt_tab[a>>8 ] ; | ||
173 | #endif | ||
174 | else{ | ||
175 | int s= av_log2_16bit(a>>16)>>1; | ||
176 | unsigned int c= a>>(s+2); | ||
177 | b= ff_sqrt_tab[c>>(s+8)]; | ||
178 | b= FASTDIV(c,b) + (b<<s); | ||
179 | } | ||
180 | |||
181 | return b - (a<b*b); | ||
182 | } | ||
183 | |||
184 | #if ARCH_X86 | ||
185 | #define MASK_ABS(mask, level)\ | ||
186 | __asm__ volatile(\ | ||
187 | "cltd \n\t"\ | ||
188 | "xorl %1, %0 \n\t"\ | ||
189 | "subl %1, %0 \n\t"\ | ||
190 | : "+a" (level), "=&d" (mask)\ | ||
191 | ); | ||
192 | #else | ||
193 | #define MASK_ABS(mask, level)\ | ||
194 | mask= level>>31;\ | ||
195 | level= (level^mask)-mask; | ||
196 | #endif | ||
197 | |||
198 | #if HAVE_CMOV | ||
199 | #define COPY3_IF_LT(x,y,a,b,c,d)\ | ||
200 | __asm__ volatile (\ | ||
201 | "cmpl %0, %3 \n\t"\ | ||
202 | "cmovl %3, %0 \n\t"\ | ||
203 | "cmovl %4, %1 \n\t"\ | ||
204 | "cmovl %5, %2 \n\t"\ | ||
205 | : "+&r" (x), "+&r" (a), "+r" (c)\ | ||
206 | : "r" (y), "r" (b), "r" (d)\ | ||
207 | ); | ||
208 | #else | ||
209 | #define COPY3_IF_LT(x,y,a,b,c,d)\ | ||
210 | if((y)<(x)){\ | ||
211 | (x)=(y);\ | ||
212 | (a)=(b);\ | ||
213 | (c)=(d);\ | ||
214 | } | ||
215 | #endif | ||
216 | |||
217 | /* avoid usage of dangerous/inappropriate system functions */ | ||
218 | #undef malloc | ||
219 | #define malloc please_use_av_malloc | ||
220 | #undef free | ||
221 | #define free please_use_av_free | ||
222 | #undef realloc | ||
223 | #define realloc please_use_av_realloc | ||
224 | #undef time | ||
225 | #define time time_is_forbidden_due_to_security_issues | ||
226 | #undef rand | ||
227 | #define rand rand_is_forbidden_due_to_state_trashing_use_av_random | ||
228 | #undef srand | ||
229 | #define srand srand_is_forbidden_due_to_state_trashing_use_av_random_init | ||
230 | #undef random | ||
231 | #define random random_is_forbidden_due_to_state_trashing_use_av_random | ||
232 | #undef sprintf | ||
233 | #define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf | ||
234 | #undef strcat | ||
235 | #define strcat strcat_is_forbidden_due_to_security_issues_use_av_strlcat | ||
236 | #undef exit | ||
237 | #define exit exit_is_forbidden | ||
238 | #ifndef LIBAVFORMAT_BUILD | ||
239 | #undef printf | ||
240 | #define printf please_use_av_log_instead_of_printf | ||
241 | #undef fprintf | ||
242 | #define fprintf please_use_av_log_instead_of_fprintf | ||
243 | #undef puts | ||
244 | #define puts please_use_av_log_instead_of_puts | ||
245 | #undef perror | ||
246 | #define perror please_use_av_log_instead_of_perror | ||
247 | #endif | ||
248 | |||
249 | #define CHECKED_ALLOCZ(p, size)\ | ||
250 | {\ | ||
251 | p= av_mallocz(size);\ | ||
252 | if(p==NULL && (size)!=0){\ | ||
253 | av_log(NULL, AV_LOG_ERROR, "Cannot allocate memory.");\ | ||
254 | goto fail;\ | ||
255 | }\ | ||
256 | } | ||
257 | |||
258 | #if defined(__ICC) || defined(__SUNPRO_C) | ||
259 | #define DECLARE_ALIGNED(n,t,v) t v __attribute__ ((aligned (n))) | ||
260 | #define DECLARE_ASM_CONST(n,t,v) const t __attribute__ ((aligned (n))) v | ||
261 | #elif defined(__GNUC__) | ||
262 | #define DECLARE_ALIGNED(n,t,v) t v __attribute__ ((aligned (n))) | ||
263 | #define DECLARE_ASM_CONST(n,t,v) static const t v attribute_used __attribute__ ((aligned (n))) | ||
264 | #elif defined(_MSC_VER) | ||
265 | #define DECLARE_ALIGNED(n,t,v) __declspec(align(n)) t v | ||
266 | #define DECLARE_ASM_CONST(n,t,v) __declspec(align(n)) static const t v | ||
267 | #elif HAVE_INLINE_ASM | ||
268 | #error The asm code needs alignment, but we do not know how to do it for this compiler. | ||
269 | #else | ||
270 | #define DECLARE_ALIGNED(n,t,v) t v | ||
271 | #define DECLARE_ASM_CONST(n,t,v) static const t v | ||
272 | #endif | ||
273 | |||
274 | |||
275 | #if !HAVE_LLRINT | ||
276 | static av_always_inline av_const long long llrint(double x) | ||
277 | { | ||
278 | return rint(x); | ||
279 | } | ||
280 | #endif /* HAVE_LLRINT */ | ||
281 | |||
282 | #if !HAVE_LRINT | ||
283 | static av_always_inline av_const long int lrint(double x) | ||
284 | { | ||
285 | return rint(x); | ||
286 | } | ||
287 | #endif /* HAVE_LRINT */ | ||
288 | |||
289 | #if !HAVE_LRINTF | ||
290 | static av_always_inline av_const long int lrintf(float x) | ||
291 | { | ||
292 | return (int)(rint(x)); | ||
293 | } | ||
294 | #endif /* HAVE_LRINTF */ | ||
295 | |||
296 | #if !HAVE_ROUND | ||
297 | static av_always_inline av_const double round(double x) | ||
298 | { | ||
299 | return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5); | ||
300 | } | ||
301 | #endif /* HAVE_ROUND */ | ||
302 | |||
303 | #if !HAVE_ROUNDF | ||
304 | static av_always_inline av_const float roundf(float x) | ||
305 | { | ||
306 | return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5); | ||
307 | } | ||
308 | #endif /* HAVE_ROUNDF */ | ||
309 | |||
310 | #if !HAVE_TRUNCF | ||
311 | static av_always_inline av_const float truncf(float x) | ||
312 | { | ||
313 | return (x > 0) ? floor(x) : ceil(x); | ||
314 | } | ||
315 | #endif /* HAVE_TRUNCF */ | ||
316 | |||
317 | /** | ||
318 | * Returns NULL if CONFIG_SMALL is true, otherwise the argument | ||
319 | * without modification. Used to disable the definition of strings | ||
320 | * (for example AVCodec long_names). | ||
321 | */ | ||
322 | #if CONFIG_SMALL | ||
323 | # define NULL_IF_CONFIG_SMALL(x) NULL | ||
324 | #else | ||
325 | # define NULL_IF_CONFIG_SMALL(x) x | ||
326 | #endif | ||
327 | |||
328 | #endif /* AVUTIL_INTERNAL_H */ | ||