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ffmpeg / libavutil / common.h @ 3a1fda0a

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1 983e3246 Michael Niedermayer
/**
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 * @file common.h
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 * common internal api header.
4
 */
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6 de6d9b64 Fabrice Bellard
#ifndef COMMON_H
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#define COMMON_H
8
9 4bdd9157 Nick Kurshev
#if defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
10 9b59c92f Michael Niedermayer
#    define CONFIG_WIN32
11 1a565432 Fabrice Bellard
#endif
12
13 765c3440 Fredrik Orderud
#if defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(EMULATE_INTTYPES)
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#    define EMULATE_INTTYPES
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#endif
16
17 e0c53ac8 Alex Beregszaszi
#ifndef M_PI
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#define M_PI    3.14159265358979323846
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#endif
20
21 420b073b Fabrice Bellard
#ifdef HAVE_AV_CONFIG_H
22 1a565432 Fabrice Bellard
/* only include the following when compiling package */
23 9b59c92f Michael Niedermayer
#    include "config.h"
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25
#    include <stdlib.h>
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#    include <stdio.h>
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#    include <string.h>
28 56c4a184 Fabrice Bellard
#    include <ctype.h>
29 9ff18a70 Michael Niedermayer
#    include <limits.h>
30 9b59c92f Michael Niedermayer
#    ifndef __BEOS__
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#        include <errno.h>
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#    else
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#        include "berrno.h"
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#    endif
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#    include <math.h>
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37
#    ifndef ENODATA
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#        define ENODATA  61
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#    endif
40 1a565432 Fabrice Bellard
41 fe1b62fb Zdenek Kabelac
#include <stddef.h>
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#ifndef offsetof
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# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
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#endif
45
46
#define AVOPTION_CODEC_BOOL(name, help, field) \
47
    { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_BOOL }
48 5d4ce457 Zdenek Kabelac
#define AVOPTION_CODEC_DOUBLE(name, help, field, minv, maxv, defval) \
49
    { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_DOUBLE, minv, maxv, defval }
50 fe1b62fb Zdenek Kabelac
#define AVOPTION_CODEC_FLAG(name, help, field, flag, defval) \
51
    { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_FLAG, flag, 0, defval }
52
#define AVOPTION_CODEC_INT(name, help, field, minv, maxv, defval) \
53
    { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_INT, minv, maxv, defval }
54
#define AVOPTION_CODEC_STRING(name, help, field, str, val) \
55
    { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_STRING, .defval = val, .defstr = str }
56
#define AVOPTION_CODEC_RCOVERRIDE(name, help, field) \
57
    { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_RCOVERRIDE, .defval = 0, .defstr = NULL }
58 bec89a84 Zdenek Kabelac
#define AVOPTION_SUB(ptr) { .name = NULL, .help = (const char*)ptr }
59 fe1b62fb Zdenek Kabelac
#define AVOPTION_END() AVOPTION_SUB(NULL)
60
61 44f27b3a Fabrice Bellard
#endif /* HAVE_AV_CONFIG_H */
62 1a565432 Fabrice Bellard
63 02da51ec Falk Hüffner
/* Suppress restrict if it was not defined in config.h.  */
64
#ifndef restrict
65 9b59c92f Michael Niedermayer
#    define restrict
66 02da51ec Falk Hüffner
#endif
67
68 f4ae934a Alex Beregszaszi
#ifndef always_inline
69 d200cab6 Falk Hüffner
#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
70 9b59c92f Michael Niedermayer
#    define always_inline __attribute__((always_inline)) inline
71 d200cab6 Falk Hüffner
#else
72 9b59c92f Michael Niedermayer
#    define always_inline inline
73 d200cab6 Falk Hüffner
#endif
74 f4ae934a Alex Beregszaszi
#endif
75 d200cab6 Falk Hüffner
76 f4ae934a Alex Beregszaszi
#ifndef attribute_used
77 5c0513bd Dmitry Baryshkov
#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
78
#    define attribute_used __attribute__((used))
79
#else
80
#    define attribute_used
81
#endif
82 f4ae934a Alex Beregszaszi
#endif
83 5c0513bd Dmitry Baryshkov
84 88730be6 Måns Rullgård
#ifndef attribute_unused
85
#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
86
#    define attribute_unused __attribute__((unused))
87
#else
88
#    define attribute_unused
89
#endif
90
#endif
91
92 d2a9bddd Michael Niedermayer
#ifndef EMULATE_INTTYPES
93 7f965c1c Chris Flerackers
#   include <inttypes.h>
94
#else
95
    typedef signed char  int8_t;
96
    typedef signed short int16_t;
97
    typedef signed int   int32_t;
98
    typedef unsigned char  uint8_t;
99
    typedef unsigned short uint16_t;
100
    typedef unsigned int   uint32_t;
101
102
#   ifdef CONFIG_WIN32
103
        typedef signed __int64   int64_t;
104
        typedef unsigned __int64 uint64_t;
105
#   else /* other OS */
106
        typedef signed long long   int64_t;
107
        typedef unsigned long long uint64_t;
108
#   endif /* other OS */
109 978844cc Diego Biurrun
#endif /* EMULATE_INTTYPES */
110 7f965c1c Chris Flerackers
111 86f77a49 François Revol
#ifndef PRId64
112
#define PRId64 "lld"
113
#endif
114
115 e684b35d François Revol
#ifndef PRIu64
116 86f77a49 François Revol
#define PRIu64 "llu"
117
#endif
118
119
#ifndef PRIx64
120
#define PRIx64 "llx"
121
#endif
122
123
#ifndef PRId32
124
#define PRId32 "d"
125
#endif
126
127
#ifndef PRIdFAST16
128
#define PRIdFAST16 PRId32
129
#endif
130
131
#ifndef PRIdFAST32
132
#define PRIdFAST32 PRId32
133 e684b35d François Revol
#endif
134
135 cc044c1c Bohdan Horst
#ifndef INT16_MIN
136
#define INT16_MIN       (-0x7fff-1)
137
#endif
138
139
#ifndef INT16_MAX
140
#define INT16_MAX       0x7fff
141
#endif
142
143 d2fbcb3b Måns Rullgård
#ifndef INT32_MIN
144
#define INT32_MIN       (-0x7fffffff-1)
145
#endif
146
147
#ifndef INT32_MAX
148
#define INT32_MAX       0x7fffffff
149
#endif
150
151
#ifndef UINT32_MAX
152
#define UINT32_MAX      0xffffffff
153
#endif
154
155 cc044c1c Bohdan Horst
#ifndef INT64_MIN
156
#define INT64_MIN       (-0x7fffffffffffffffLL-1)
157
#endif
158
159 9ff5f175 Michael Niedermayer
#ifndef INT64_MAX
160 2a24fe4c Gael Chardon
#define INT64_MAX int64_t_C(9223372036854775807)
161 9ff5f175 Michael Niedermayer
#endif
162
163 caa50878 Michael Niedermayer
#ifndef UINT64_MAX
164
#define UINT64_MAX uint64_t_C(0xFFFFFFFFFFFFFFFF)
165
#endif
166
167 19d053c5 Roman Shaposhnik
#ifdef EMULATE_FAST_INT
168
typedef signed char int_fast8_t;
169
typedef signed int  int_fast16_t;
170
typedef signed int  int_fast32_t;
171
typedef unsigned char uint_fast8_t;
172
typedef unsigned int  uint_fast16_t;
173
typedef unsigned int  uint_fast32_t;
174 59d8efb3 Michael Niedermayer
typedef uint64_t      uint_fast64_t;
175 19d053c5 Roman Shaposhnik
#endif
176
177 0ff93477 Michael Niedermayer
#ifndef INT_BIT
178 9ff18a70 Michael Niedermayer
#    if INT_MAX != 2147483647
179 0ff93477 Michael Niedermayer
#        define INT_BIT 64
180
#    else
181
#        define INT_BIT 32
182
#    endif
183
#endif
184
185 19d053c5 Roman Shaposhnik
#if defined(CONFIG_OS2) || defined(CONFIG_SUNOS)
186 115329f1 Diego Biurrun
static inline float floorf(float f) {
187
    return floor(f);
188 19d053c5 Roman Shaposhnik
}
189
#endif
190
191 1a565432 Fabrice Bellard
#ifdef CONFIG_WIN32
192
193
/* windows */
194
195 5c668f46 Sascha Sommer
#    if !defined(__MINGW32__) && !defined(__CYGWIN__)
196 0c1a9eda Zdenek Kabelac
#        define int64_t_C(c)     (c ## i64)
197
#        define uint64_t_C(c)    (c ## i64)
198 1a565432 Fabrice Bellard
199 49e17f84 Michael Niedermayer
#    ifdef HAVE_AV_CONFIG_H
200
#            define inline __inline
201
#    endif
202 1a565432 Fabrice Bellard
203 9b59c92f Michael Niedermayer
#    else
204 0c1a9eda Zdenek Kabelac
#        define int64_t_C(c)     (c ## LL)
205
#        define uint64_t_C(c)    (c ## ULL)
206 9b59c92f Michael Niedermayer
#    endif /* __MINGW32__ */
207 a74127c0 Fabrice Bellard
208 49e17f84 Michael Niedermayer
#    ifdef HAVE_AV_CONFIG_H
209
#        ifdef _DEBUG
210
#            define DEBUG
211
#        endif
212 de6d9b64 Fabrice Bellard
213 49e17f84 Michael Niedermayer
#        define snprintf _snprintf
214
#        define vsnprintf _vsnprintf
215 ac44871c Gildas Bazin
216
#        ifdef CONFIG_WINCE
217
#            define perror(a)
218
#        endif
219
220 49e17f84 Michael Niedermayer
#    endif
221 1a565432 Fabrice Bellard
222 f3ec2d46 Slavik Gnatenko
/* CONFIG_WIN32 end */
223
#elif defined (CONFIG_OS2)
224
/* OS/2 EMX */
225
226 0c1a9eda Zdenek Kabelac
#ifndef int64_t_C
227
#define int64_t_C(c)     (c ## LL)
228
#define uint64_t_C(c)    (c ## ULL)
229 f3ec2d46 Slavik Gnatenko
#endif
230
231 f5fe9d5f Fabrice Bellard
#ifdef HAVE_AV_CONFIG_H
232
233 f3ec2d46 Slavik Gnatenko
#ifdef USE_FASTMEMCPY
234
#include "fastmemcpy.h"
235
#endif
236
237
#include <float.h>
238
239
#endif /* HAVE_AV_CONFIG_H */
240
241
/* CONFIG_OS2 end */
242
#else
243 1a565432 Fabrice Bellard
244
/* unix */
245
246 f5fe9d5f Fabrice Bellard
#ifndef int64_t_C
247
#define int64_t_C(c)     (c ## LL)
248
#define uint64_t_C(c)    (c ## ULL)
249
#endif
250
251
#ifdef HAVE_AV_CONFIG_H
252 1a565432 Fabrice Bellard
253 9b59c92f Michael Niedermayer
#        ifdef USE_FASTMEMCPY
254
#            include "fastmemcpy.h"
255
#        endif
256
#    endif /* HAVE_AV_CONFIG_H */
257 a74127c0 Fabrice Bellard
258 f3ec2d46 Slavik Gnatenko
#endif /* !CONFIG_WIN32 && !CONFIG_OS2 */
259 a74127c0 Fabrice Bellard
260
#ifdef HAVE_AV_CONFIG_H
261
262 320d060a Diego Biurrun
#if defined(__MINGW32__) && !defined(BUILD_AVUTIL) && defined(BUILD_SHARED_AV)
263
#  define FF_IMPORT_ATTR __declspec(dllimport)
264
#else
265
#  define FF_IMPORT_ATTR
266
#endif
267
268
269 9b59c92f Michael Niedermayer
#    include "bswap.h"
270 96707bb7 Fabrice Bellard
271 a2c3bf82 Drew Hess
// Use rip-relative addressing if compiling PIC code on x86-64.
272 9b59c92f Michael Niedermayer
#    if defined(__MINGW32__) || defined(__CYGWIN__) || \
273 814b648c Michael Niedermayer
        defined(__OS2__) || (defined (__OpenBSD__) && !defined(__ELF__))
274 a2c3bf82 Drew Hess
#        if defined(ARCH_X86_64) && defined(PIC)
275
#            define MANGLE(a) "_" #a"(%%rip)"
276
#        else
277
#            define MANGLE(a) "_" #a
278
#        endif
279 9b59c92f Michael Niedermayer
#    else
280 a2c3bf82 Drew Hess
#        if defined(ARCH_X86_64) && defined(PIC)
281
#            define MANGLE(a) #a"(%%rip)"
282 5f112e1f Sam Hocevar
#        elif defined(CONFIG_DARWIN)
283
#            define MANGLE(a) "_" #a
284 a2c3bf82 Drew Hess
#        else
285
#            define MANGLE(a) #a
286
#        endif
287 9b59c92f Michael Niedermayer
#    endif
288 6a3d7e36 Fabrice Bellard
289 d503f970 Fabrice Bellard
/* debug stuff */
290
291 9b59c92f Michael Niedermayer
#    ifndef DEBUG
292
#        define NDEBUG
293
#    endif
294
#    include <assert.h>
295 1a565432 Fabrice Bellard
296 a74127c0 Fabrice Bellard
/* dprintf macros */
297 2a86d50b Sascha Sommer
#    if defined(CONFIG_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
298 a74127c0 Fabrice Bellard
299
inline void dprintf(const char* fmt,...) {}
300
301 9b59c92f Michael Niedermayer
#    else
302 a74127c0 Fabrice Bellard
303 9b59c92f Michael Niedermayer
#        ifdef DEBUG
304 365e75f8 Michael Niedermayer
#            define dprintf(fmt,...) av_log(NULL, AV_LOG_DEBUG, fmt, __VA_ARGS__)
305 9b59c92f Michael Niedermayer
#        else
306 dc7cb06a Dan Christiansen
#            define dprintf(fmt,...)
307 9b59c92f Michael Niedermayer
#        endif
308 1a565432 Fabrice Bellard
309 9b59c92f Michael Niedermayer
#    endif /* !CONFIG_WIN32 */
310 ac44871c Gildas Bazin
#    ifdef CONFIG_WINCE
311
#            define abort()
312
#    endif
313 1a565432 Fabrice Bellard
314 9b879566 Michel Bardiaux
#    define av_abort()      do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
315 935cdf09 Philip Gladstone
316 073b013d Michael Niedermayer
//rounded divison & shift
317 10f3005f Michael Niedermayer
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
318 d7e9533a Michael Niedermayer
/* assume b>0 */
319
#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
320 32cd20de Michael Niedermayer
#define ABS(a) ((a) >= 0 ? (a) : (-(a)))
321 75460b0c Michael Niedermayer
322 b8a78f41 Michael Niedermayer
#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
323
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
324 d7e9533a Michael Niedermayer
325 d4961b35 BERO
extern const uint32_t inverse[256];
326
327 053dea12 Aurelien Jacobs
#if defined(ARCH_X86) || defined(ARCH_X86_64)
328 d4961b35 BERO
#    define FASTDIV(a,b) \
329
    ({\
330
        int ret,dmy;\
331
        asm volatile(\
332
            "mull %3"\
333
            :"=d"(ret),"=a"(dmy)\
334
            :"1"(a),"g"(inverse[b])\
335
            );\
336
        ret;\
337
    })
338
#elif defined(CONFIG_FASTDIV)
339
#    define FASTDIV(a,b)   ((uint32_t)((((uint64_t)a)*inverse[b])>>32))
340
#else
341
#    define FASTDIV(a,b)   ((a)/(b))
342
#endif
343 115329f1 Diego Biurrun
344 de6d9b64 Fabrice Bellard
/* define it to include statistics code (useful only for optimizing
345
   codec efficiency */
346
//#define STATS
347
348
#ifdef STATS
349
350
enum {
351
    ST_UNKNOWN,
352
    ST_DC,
353
    ST_INTRA_AC,
354
    ST_INTER_AC,
355
    ST_INTRA_MB,
356
    ST_INTER_MB,
357
    ST_MV,
358
    ST_NB,
359
};
360
361
extern int st_current_index;
362
extern unsigned int st_bit_counts[ST_NB];
363
extern unsigned int st_out_bit_counts[ST_NB];
364
365
void print_stats(void);
366
#endif
367
368
/* misc math functions */
369 320d060a Diego Biurrun
extern FF_IMPORT_ATTR const uint8_t ff_log2_tab[256];
370 de6d9b64 Fabrice Bellard
371 a822a479 Nick Kurshev
static inline int av_log2(unsigned int v)
372 de6d9b64 Fabrice Bellard
{
373
    int n;
374
375
    n = 0;
376
    if (v & 0xffff0000) {
377
        v >>= 16;
378
        n += 16;
379
    }
380
    if (v & 0xff00) {
381
        v >>= 8;
382
        n += 8;
383
    }
384 c81f0349 Michael Niedermayer
    n += ff_log2_tab[v];
385
386
    return n;
387
}
388
389
static inline int av_log2_16bit(unsigned int v)
390
{
391
    int n;
392
393
    n = 0;
394
    if (v & 0xff00) {
395
        v >>= 8;
396
        n += 8;
397 de6d9b64 Fabrice Bellard
    }
398 c81f0349 Michael Niedermayer
    n += ff_log2_tab[v];
399
400 de6d9b64 Fabrice Bellard
    return n;
401
}
402
403 45870f57 Michael Niedermayer
/* median of 3 */
404
static inline int mid_pred(int a, int b, int c)
405
{
406 7a62e94a Michael Niedermayer
#if 0
407
    int t= (a-b)&((a-b)>>31);
408
    a-=t;
409
    b+=t;
410
    b-= (b-c)&((b-c)>>31);
411
    b+= (a-b)&((a-b)>>31);
412

413
    return b;
414
#else
415
    if(a>b){
416
        if(c>b){
417
            if(c>a) b=a;
418
            else    b=c;
419
        }
420
    }else{
421
        if(b>c){
422
            if(c>a) b=c;
423
            else    b=a;
424
        }
425
    }
426
    return b;
427
#endif
428 45870f57 Michael Niedermayer
}
429
430 91029be7 Michael Niedermayer
static inline int clip(int a, int amin, int amax)
431
{
432
    if (a < amin)
433
        return amin;
434
    else if (a > amax)
435
        return amax;
436
    else
437
        return a;
438
}
439
440 3a1fda0a Panagiotis Issaris
static inline uint8_t clip_uint8(int a)
441 3ebc7e04 Michael Niedermayer
{
442
    if (a&(~255)) return (-a)>>31;
443
    else          return a;
444
}
445
446 9dbcbd92 Michael Niedermayer
/* math */
447 320d060a Diego Biurrun
extern FF_IMPORT_ATTR const uint8_t ff_sqrt_tab[128];
448 f36db5df Michael Niedermayer
449 14bea432 Michael Niedermayer
int64_t ff_gcd(int64_t a, int64_t b);
450 9dbcbd92 Michael Niedermayer
451 7fd08ac1 Michael Niedermayer
static inline int ff_sqrt(int a)
452
{
453
    int ret=0;
454
    int s;
455
    int ret_sq=0;
456 115329f1 Diego Biurrun
457 f36db5df Michael Niedermayer
    if(a<128) return ff_sqrt_tab[a];
458 115329f1 Diego Biurrun
459 7fd08ac1 Michael Niedermayer
    for(s=15; s>=0; s--){
460
        int b= ret_sq + (1<<(s*2)) + (ret<<s)*2;
461
        if(b<=a){
462
            ret_sq=b;
463
            ret+= 1<<s;
464
        }
465
    }
466
    return ret;
467
}
468 202ef8b8 Michael Niedermayer
469
/**
470
 * converts fourcc string to int
471
 */
472 6a85ec8d Zdenek Kabelac
static inline int ff_get_fourcc(const char *s){
473 202ef8b8 Michael Niedermayer
    assert( strlen(s)==4 );
474 966df5b6 Mike Melanson
475 202ef8b8 Michael Niedermayer
    return (s[0]) + (s[1]<<8) + (s[2]<<16) + (s[3]<<24);
476
}
477
478 e8750b00 Fred Rothganger
#define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24))
479
#define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24))
480
481
482 053dea12 Aurelien Jacobs
#if defined(ARCH_X86) || defined(ARCH_X86_64)
483 2ad1516a Michael Niedermayer
#define MASK_ABS(mask, level)\
484
            asm volatile(\
485 bb270c08 Diego Biurrun
                "cdq                    \n\t"\
486
                "xorl %1, %0            \n\t"\
487
                "subl %1, %0            \n\t"\
488
                : "+a" (level), "=&d" (mask)\
489
            );
490 2ad1516a Michael Niedermayer
#else
491
#define MASK_ABS(mask, level)\
492
            mask= level>>31;\
493
            level= (level^mask)-mask;
494
#endif
495
496
497 7fd08ac1 Michael Niedermayer
#if __CPU__ >= 686 && !defined(RUNTIME_CPUDETECT)
498
#define COPY3_IF_LT(x,y,a,b,c,d)\
499
asm volatile (\
500 bb270c08 Diego Biurrun
    "cmpl %0, %3        \n\t"\
501
    "cmovl %3, %0       \n\t"\
502
    "cmovl %4, %1       \n\t"\
503
    "cmovl %5, %2       \n\t"\
504 7fd08ac1 Michael Niedermayer
    : "+r" (x), "+r" (a), "+r" (c)\
505
    : "r" (y), "r" (b), "r" (d)\
506
);
507
#else
508
#define COPY3_IF_LT(x,y,a,b,c,d)\
509
if((y)<(x)){\
510
     (x)=(y);\
511
     (a)=(b);\
512
     (c)=(d);\
513
}
514
#endif
515
516 0775c88f Michael Niedermayer
#if defined(ARCH_X86) || defined(ARCH_X86_64) || defined(ARCH_POWERPC)
517 8230cf02 Aurelien Jacobs
#if defined(ARCH_X86_64)
518 0775c88f Michael Niedermayer
static inline uint64_t read_time(void)
519 8230cf02 Aurelien Jacobs
{
520 bb270c08 Diego Biurrun
        uint64_t a, d;
521
        asm volatile(   "rdtsc\n\t"
522
                : "=a" (a), "=d" (d)
523
        );
524
        return (d << 32) | (a & 0xffffffff);
525 8230cf02 Aurelien Jacobs
}
526 0775c88f Michael Niedermayer
#elif defined(ARCH_X86)
527
static inline long long read_time(void)
528 b534c7f9 Michael Niedermayer
{
529 bb270c08 Diego Biurrun
        long long l;
530
        asm volatile(   "rdtsc\n\t"
531
                : "=A" (l)
532
        );
533
        return l;
534 b534c7f9 Michael Niedermayer
}
535 0775c88f Michael Niedermayer
#else //FIXME check ppc64
536
static inline uint64_t read_time(void)
537
{
538
    uint32_t tbu, tbl, temp;
539
540
     /* from section 2.2.1 of the 32-bit PowerPC PEM */
541
     __asm__ __volatile__(
542
         "1:\n"
543
         "mftbu  %2\n"
544
         "mftb   %0\n"
545
         "mftbu  %1\n"
546
         "cmpw   %2,%1\n"
547
         "bne    1b\n"
548
     : "=r"(tbl), "=r"(tbu), "=r"(temp)
549
     :
550
     : "cc");
551
552
     return (((uint64_t)tbu)<<32) | (uint64_t)tbl;
553
}
554 8230cf02 Aurelien Jacobs
#endif
555 b534c7f9 Michael Niedermayer
556
#define START_TIMER \
557
uint64_t tend;\
558 0775c88f Michael Niedermayer
uint64_t tstart= read_time();\
559 b534c7f9 Michael Niedermayer
560
#define STOP_TIMER(id) \
561 0775c88f Michael Niedermayer
tend= read_time();\
562 d705e4a6 Michael Niedermayer
{\
563
  static uint64_t tsum=0;\
564
  static int tcount=0;\
565
  static int tskip_count=0;\
566
  if(tcount<2 || tend - tstart < 8*tsum/tcount){\
567
      tsum+= tend - tstart;\
568
      tcount++;\
569
  }else\
570
      tskip_count++;\
571
  if(256*256*256*64%(tcount+tskip_count)==0){\
572 e852beee Alexander Strasser
      av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n", tsum*10/tcount, id, tcount, tskip_count);\
573 d705e4a6 Michael Niedermayer
  }\
574 b534c7f9 Michael Niedermayer
}
575 0187e903 Michael Niedermayer
#else
576 115329f1 Diego Biurrun
#define START_TIMER
577 0187e903 Michael Niedermayer
#define STOP_TIMER(id) {}
578 b534c7f9 Michael Niedermayer
#endif
579
580 8e1e6f31 Fabrice Bellard
/* avoid usage of various functions */
581
#define malloc please_use_av_malloc
582
#define free please_use_av_free
583
#define realloc please_use_av_realloc
584 7d1bbcd4 Michael Niedermayer
#define time time_is_forbidden_due_to_security_issues
585
#define rand rand_is_forbidden_due_to_state_trashing
586
#define srand srand_is_forbidden_due_to_state_trashing
587 2fc8ea24 Michael Niedermayer
#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf
588 1f3f9507 Michael Niedermayer
#define strcat strcat_is_forbidden_due_to_security_issues_use_pstrcat
589 d705e4a6 Michael Niedermayer
#if !(defined(LIBAVFORMAT_BUILD) || defined(_FRAMEHOOK_H))
590
#define printf please_use_av_log
591
#define fprintf please_use_av_log
592
#endif
593 8e1e6f31 Fabrice Bellard
594 7bc9090a Michael Niedermayer
#define CHECKED_ALLOCZ(p, size)\
595
{\
596
    p= av_mallocz(size);\
597 dc939fd5 Michael Niedermayer
    if(p==NULL && (size)!=0){\
598 7bc9090a Michael Niedermayer
        perror("malloc");\
599
        goto fail;\
600
    }\
601
}
602
603 7df65455 Diego Biurrun
#ifndef HAVE_LRINTF
604
/* XXX: add ISOC specific test to avoid specific BSD testing. */
605
/* better than nothing implementation. */
606
/* btw, rintf() is existing on fbsd too -- alex */
607
static always_inline long int lrintf(float x)
608
{
609
#ifdef CONFIG_WIN32
610
#  ifdef ARCH_X86
611
    int32_t i;
612
    asm volatile(
613
        "fistpl %0\n\t"
614
        : "=m" (i) : "t" (x) : "st"
615
    );
616
    return i;
617
#  else
618
    /* XXX: incorrect, but make it compile */
619
    return (int)(x + (x < 0 ? -0.5 : 0.5));
620
#  endif /* ARCH_X86 */
621
#else
622
    return (int)(rint(x));
623
#endif /* CONFIG_WIN32 */
624
}
625
#else
626
#ifndef _ISOC9X_SOURCE
627
#define _ISOC9X_SOURCE
628
#endif
629
#include <math.h>
630
#endif /* HAVE_LRINTF */
631
632 96707bb7 Fabrice Bellard
#endif /* HAVE_AV_CONFIG_H */
633
634
#endif /* COMMON_H */