3
* common internal api header.
9
#if defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
13
#if defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__) && !defined(EMULATE_INTTYPES)
14
# define EMULATE_INTTYPES
18
#define M_PI 3.14159265358979323846
21
#ifdef HAVE_AV_CONFIG_H
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/* only include the following when compiling package */
43
# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
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#define AVOPTION_CODEC_BOOL(name, help, field) \
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{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_BOOL }
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#define AVOPTION_CODEC_DOUBLE(name, help, field, minv, maxv, defval) \
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{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_DOUBLE, minv, maxv, defval }
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#define AVOPTION_CODEC_FLAG(name, help, field, flag, defval) \
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{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_FLAG, flag, 0, defval }
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#define AVOPTION_CODEC_INT(name, help, field, minv, maxv, defval) \
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{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_INT, minv, maxv, defval }
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#define AVOPTION_CODEC_STRING(name, help, field, str, val) \
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{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_STRING, .defval = val, .defstr = str }
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#define AVOPTION_CODEC_RCOVERRIDE(name, help, field) \
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{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_RCOVERRIDE, .defval = 0, .defstr = NULL }
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#define AVOPTION_SUB(ptr) { .name = NULL, .help = (const char*)ptr }
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#define AVOPTION_END() AVOPTION_SUB(NULL)
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#endif /* HAVE_AV_CONFIG_H */
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/* Suppress restrict if it was not defined in config.h. */
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#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
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# define always_inline __attribute__((always_inline)) inline
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# define always_inline inline
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#ifndef attribute_used
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#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
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# define attribute_used __attribute__((used))
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# define attribute_used
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#ifndef attribute_unused
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#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
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# define attribute_unused __attribute__((unused))
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# define attribute_unused
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#ifndef EMULATE_INTTYPES
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# include <inttypes.h>
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typedef signed char int8_t;
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typedef signed short int16_t;
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typedef signed int int32_t;
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typedef unsigned char uint8_t;
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typedef unsigned short uint16_t;
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typedef unsigned int uint32_t;
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typedef signed __int64 int64_t;
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typedef unsigned __int64 uint64_t;
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# else /* other OS */
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typedef signed long long int64_t;
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typedef unsigned long long uint64_t;
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# endif /* other OS */
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#endif /* EMULATE_INTTYPES */
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#define PRIdFAST16 PRId32
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#define PRIdFAST32 PRId32
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#define INT16_MIN (-0x7fff-1)
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#define INT16_MAX 0x7fff
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#define INT32_MIN (-0x7fffffff-1)
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#define INT32_MAX 0x7fffffff
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#define UINT32_MAX 0xffffffff
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#define INT64_MIN (-0x7fffffffffffffffLL-1)
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#define INT64_MAX int64_t_C(9223372036854775807)
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#define UINT64_MAX uint64_t_C(0xFFFFFFFFFFFFFFFF)
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#ifdef EMULATE_FAST_INT
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typedef signed char int_fast8_t;
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typedef signed int int_fast16_t;
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typedef signed int int_fast32_t;
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typedef unsigned char uint_fast8_t;
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typedef unsigned int uint_fast16_t;
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typedef unsigned int uint_fast32_t;
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typedef uint64_t uint_fast64_t;
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# if INT_MAX != 2147483647
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#if defined(CONFIG_OS2) || defined(CONFIG_SUNOS)
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static inline float floorf(float f) {
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# if !defined(__MINGW32__) && !defined(__CYGWIN__)
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# define int64_t_C(c) (c ## i64)
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# define uint64_t_C(c) (c ## i64)
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# ifdef HAVE_AV_CONFIG_H
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# define inline __inline
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# define int64_t_C(c) (c ## LL)
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# define uint64_t_C(c) (c ## ULL)
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# endif /* __MINGW32__ */
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# ifdef HAVE_AV_CONFIG_H
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# define snprintf _snprintf
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# define vsnprintf _vsnprintf
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/* CONFIG_WIN32 end */
223
#elif defined (CONFIG_OS2)
227
#define int64_t_C(c) (c ## LL)
228
#define uint64_t_C(c) (c ## ULL)
231
#ifdef HAVE_AV_CONFIG_H
233
#ifdef USE_FASTMEMCPY
234
#include "fastmemcpy.h"
239
#endif /* HAVE_AV_CONFIG_H */
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#define int64_t_C(c) (c ## LL)
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#define uint64_t_C(c) (c ## ULL)
251
#ifdef HAVE_AV_CONFIG_H
253
# ifdef USE_FASTMEMCPY
254
# include "fastmemcpy.h"
256
# endif /* HAVE_AV_CONFIG_H */
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#endif /* !CONFIG_WIN32 && !CONFIG_OS2 */
260
#ifdef HAVE_AV_CONFIG_H
262
#if defined(__MINGW32__) && !defined(BUILD_AVUTIL) && defined(BUILD_SHARED_AV)
263
# define FF_IMPORT_ATTR __declspec(dllimport)
265
# define FF_IMPORT_ATTR
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// Use rip-relative addressing if compiling PIC code on x86-64.
272
# if defined(__MINGW32__) || defined(__CYGWIN__) || \
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defined(__OS2__) || (defined (__OpenBSD__) && !defined(__ELF__))
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# if defined(ARCH_X86_64) && defined(PIC)
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# define MANGLE(a) "_" #a"(%%rip)"
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# define MANGLE(a) "_" #a
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# if defined(ARCH_X86_64) && defined(PIC)
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# define MANGLE(a) #a"(%%rip)"
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# elif defined(CONFIG_DARWIN)
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# define MANGLE(a) "_" #a
285
# define MANGLE(a) #a
297
# if defined(CONFIG_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
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inline void dprintf(const char* fmt,...) {}
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# define dprintf(fmt,...) av_log(NULL, AV_LOG_DEBUG, fmt, __VA_ARGS__)
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# define dprintf(fmt,...)
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# endif /* !CONFIG_WIN32 */
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# define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
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//rounded divison & shift
317
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
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#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
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#define ABS(a) ((a) >= 0 ? (a) : (-(a)))
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#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
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#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
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extern const uint32_t inverse[256];
327
#if defined(ARCH_X86) || defined(ARCH_X86_64)
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# define FASTDIV(a,b) \
333
:"=d"(ret),"=a"(dmy)\
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:"1"(a),"g"(inverse[b])\
338
#elif defined(CONFIG_FASTDIV)
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# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*inverse[b])>>32))
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# define FASTDIV(a,b) ((a)/(b))
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/* define it to include statistics code (useful only for optimizing
361
extern int st_current_index;
362
extern unsigned int st_bit_counts[ST_NB];
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extern unsigned int st_out_bit_counts[ST_NB];
365
void print_stats(void);
368
/* misc math functions */
369
extern FF_IMPORT_ATTR const uint8_t ff_log2_tab[256];
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static inline int av_log2(unsigned int v)
376
if (v & 0xffff0000) {
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static inline int av_log2_16bit(unsigned int v)
404
static inline int mid_pred(int a, int b, int c)
407
int t= (a-b)&((a-b)>>31);
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b-= (b-c)&((b-c)>>31);
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b+= (a-b)&((a-b)>>31);
431
* clip a signed integer value into the amin-amax range
432
* @param a value to clip
433
* @param amin minimum value of the clip range
434
* @param amax maximum value of the clip range
435
* @return cliped value
437
static inline int clip(int a, int amin, int amax)
448
* clip a signed integer value into the 0-255 range
449
* @param a value to clip
450
* @return cliped value
452
static inline uint8_t clip_uint8(int a)
454
if (a&(~255)) return (-a)>>31;
459
extern FF_IMPORT_ATTR const uint8_t ff_sqrt_tab[128];
461
int64_t ff_gcd(int64_t a, int64_t b);
463
static inline int ff_sqrt(int a)
469
if(a<128) return ff_sqrt_tab[a];
471
for(s=15; s>=0; s--){
472
int b= ret_sq + (1<<(s*2)) + (ret<<s)*2;
482
* converts fourcc string to int
484
static inline int ff_get_fourcc(const char *s){
485
assert( strlen(s)==4 );
487
return (s[0]) + (s[1]<<8) + (s[2]<<16) + (s[3]<<24);
490
#define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 24))
491
#define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24))
494
#if defined(ARCH_X86) || defined(ARCH_X86_64)
495
#define MASK_ABS(mask, level)\
500
: "+a" (level), "=&d" (mask)\
503
#define MASK_ABS(mask, level)\
505
level= (level^mask)-mask;
509
#if __CPU__ >= 686 && !defined(RUNTIME_CPUDETECT)
510
#define COPY3_IF_LT(x,y,a,b,c,d)\
516
: "+r" (x), "+r" (a), "+r" (c)\
517
: "r" (y), "r" (b), "r" (d)\
520
#define COPY3_IF_LT(x,y,a,b,c,d)\
528
#if defined(ARCH_X86) || defined(ARCH_X86_64) || defined(ARCH_POWERPC)
529
#if defined(ARCH_X86_64)
530
static inline uint64_t read_time(void)
533
asm volatile( "rdtsc\n\t"
536
return (d << 32) | (a & 0xffffffff);
538
#elif defined(ARCH_X86)
539
static inline long long read_time(void)
542
asm volatile( "rdtsc\n\t"
547
#else //FIXME check ppc64
548
static inline uint64_t read_time(void)
550
uint32_t tbu, tbl, temp;
552
/* from section 2.2.1 of the 32-bit PowerPC PEM */
553
__asm__ __volatile__(
560
: "=r"(tbl), "=r"(tbu), "=r"(temp)
564
return (((uint64_t)tbu)<<32) | (uint64_t)tbl;
568
#define START_TIMER \
570
uint64_t tstart= read_time();\
572
#define STOP_TIMER(id) \
575
static uint64_t tsum=0;\
576
static int tcount=0;\
577
static int tskip_count=0;\
578
if(tcount<2 || tend - tstart < 8*tsum/tcount){\
579
tsum+= tend - tstart;\
583
if(256*256*256*64%(tcount+tskip_count)==0){\
584
av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n", tsum*10/tcount, id, tcount, tskip_count);\
589
#define STOP_TIMER(id) {}
592
/* avoid usage of various functions */
593
#define malloc please_use_av_malloc
594
#define free please_use_av_free
595
#define realloc please_use_av_realloc
596
#define time time_is_forbidden_due_to_security_issues
597
#define rand rand_is_forbidden_due_to_state_trashing
598
#define srand srand_is_forbidden_due_to_state_trashing
599
#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf
600
#define strcat strcat_is_forbidden_due_to_security_issues_use_pstrcat
601
#if !(defined(LIBAVFORMAT_BUILD) || defined(_FRAMEHOOK_H))
602
#define printf please_use_av_log
603
#define fprintf please_use_av_log
606
#define CHECKED_ALLOCZ(p, size)\
608
p= av_mallocz(size);\
609
if(p==NULL && (size)!=0){\
616
/* XXX: add ISOC specific test to avoid specific BSD testing. */
617
/* better than nothing implementation. */
618
/* btw, rintf() is existing on fbsd too -- alex */
619
static always_inline long int lrintf(float x)
626
: "=m" (i) : "t" (x) : "st"
630
/* XXX: incorrect, but make it compile */
631
return (int)(x + (x < 0 ? -0.5 : 0.5));
632
# endif /* ARCH_X86 */
634
return (int)(rint(x));
635
#endif /* CONFIG_WIN32 */
638
#ifndef _ISOC9X_SOURCE
639
#define _ISOC9X_SOURCE
642
#endif /* HAVE_LRINTF */
644
#endif /* HAVE_AV_CONFIG_H */
646
#endif /* COMMON_H */