Skip to content

F
ffmpeg.wasm-core
Commit 05020c89 authored by Reimar Döffinger's avatar Reimar Döffinger
Browse files
Options

Split common.h in two parts, purely internal stuff (internal.h) and things 

available to external programs as well.
Also make more things available to external programs like GET_UTF8, MKTAG etc.

Originally committed as revision 5765 to svn://svn.ffmpeg.org/ffmpeg/trunk
parent 7a5f09f6
Hide whitespace changes
Inline Side-by-side
Showing with 226 additions and 214 deletions
libavutil/common.h
View file @ 05020c89
/**
* @file common.h
* common internal api header.
* common internal and external api header.
*/
#ifndef COMMON_H
......@@ -10,10 +10,6 @@
#define M_PI 3.14159265358979323846
#endif
#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC)
# define PIC
#endif
#ifdef HAVE_AV_CONFIG_H
/* only include the following when compiling package */
# include "config.h"
......@@ -29,31 +25,6 @@
# include "berrno.h"
# endif
# include <math.h>
# ifndef ENODATA
# define ENODATA 61
# endif
#include <stddef.h>
#ifndef offsetof
# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
#endif
#define AVOPTION_CODEC_BOOL(name, help, field) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_BOOL }
#define AVOPTION_CODEC_DOUBLE(name, help, field, minv, maxv, defval) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_DOUBLE, minv, maxv, defval }
#define AVOPTION_CODEC_FLAG(name, help, field, flag, defval) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_FLAG, flag, 0, defval }
#define AVOPTION_CODEC_INT(name, help, field, minv, maxv, defval) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_INT, minv, maxv, defval }
#define AVOPTION_CODEC_STRING(name, help, field, str, val) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_STRING, .defval = val, .defstr = str }
#define AVOPTION_CODEC_RCOVERRIDE(name, help, field) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_RCOVERRIDE, .defval = 0, .defstr = NULL }
#define AVOPTION_SUB(ptr) { .name = NULL, .help = (const char*)ptr }
#define AVOPTION_END() AVOPTION_SUB(NULL)
#endif /* HAVE_AV_CONFIG_H */
/* Suppress restrict if it was not defined in config.h. */
......@@ -177,32 +148,6 @@ typedef uint64_t uint_fast64_t;
#define uint64_t_C(c) (c ## ULL)
#endif
#ifdef HAVE_AV_CONFIG_H
#ifdef __MINGW32__
# ifdef _DEBUG
# define DEBUG
# endif
# define snprintf _snprintf
# define vsnprintf _vsnprintf
# ifdef CONFIG_WINCE
# define perror(a)
# endif
/* __MINGW32__ end */
#elif defined (CONFIG_OS2)
/* OS/2 EMX */
#include <float.h>
#endif /* !__MINGW32__ && CONFIG_OS2 */
# ifdef USE_FASTMEMCPY
# include "fastmemcpy.h"
# endif
#if defined(__MINGW32__) && !defined(BUILD_AVUTIL) && defined(BUILD_SHARED_AV)
# define FF_IMPORT_ATTR __declspec(dllimport)
#else
......@@ -212,43 +157,10 @@ typedef uint64_t uint_fast64_t;
# include "bswap.h"
// Use rip-relative addressing if compiling PIC code on x86-64.
# if defined(__MINGW32__) || defined(__CYGWIN__) || \
defined(__OS2__) || (defined (__OpenBSD__) && !defined(__ELF__))
# if defined(ARCH_X86_64) && defined(PIC)
# define MANGLE(a) "_" #a"(%%rip)"
# else
# define MANGLE(a) "_" #a
# endif
# else
# if defined(ARCH_X86_64) && defined(PIC)
# define MANGLE(a) #a"(%%rip)"
# elif defined(CONFIG_DARWIN)
# define MANGLE(a) "_" #a
# else
# define MANGLE(a) #a
# endif
# endif
/* debug stuff */
# if !defined(DEBUG) && !defined(NDEBUG)
# define NDEBUG
# endif
# include <assert.h>
/* dprintf macros */
# ifdef DEBUG
# define dprintf(fmt,...) av_log(NULL, AV_LOG_DEBUG, fmt, __VA_ARGS__)
# else
# define dprintf(fmt,...)
# endif
# ifdef CONFIG_WINCE
# define abort()
# endif
# define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
#ifdef HAVE_AV_CONFIG_H
/* only include the following when compiling package */
# include "internal.h"
#endif
//rounded divison & shift
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
......@@ -259,25 +171,6 @@ typedef uint64_t uint_fast64_t;
#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
extern const uint32_t inverse[256];
#if defined(ARCH_X86) || defined(ARCH_X86_64)
# define FASTDIV(a,b) \
({\
int ret,dmy;\
asm volatile(\
"mull %3"\
:"=d"(ret),"=a"(dmy)\
:"1"(a),"g"(inverse[b])\
);\
ret;\
})
#elif defined(CONFIG_FASTDIV)
# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*inverse[b])>>32))
#else
# define FASTDIV(a,b) ((a)/(b))
#endif
/* misc math functions */
extern FF_IMPORT_ATTR const uint8_t ff_log2_tab[256];
......@@ -366,33 +259,15 @@ static inline uint8_t clip_uint8(int a)
}
/* math */
extern FF_IMPORT_ATTR const uint8_t ff_sqrt_tab[128];
int64_t ff_gcd(int64_t a, int64_t b);
static inline int ff_sqrt(int a)
{
int ret=0;
int s;
int ret_sq=0;
if(a<128) return ff_sqrt_tab[a];
for(s=15; s>=0; s--){
int b= ret_sq + (1<<(s*2)) + (ret<<s)*2;
if(b<=a){
ret_sq=b;
ret+= 1<<s;
}
}
return ret;
}
/**
* converts fourcc string to int
*/
static inline int ff_get_fourcc(const char *s){
#ifdef HAVE_AV_CONFIG_H
assert( strlen(s)==4 );
#endif
return (s[0]) + (s[1]<<8) + (s[2]<<16) + (s[3]<<24);
}
......@@ -401,20 +276,6 @@ static inline int ff_get_fourcc(const char *s){
#define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24))
#if defined(ARCH_X86) || defined(ARCH_X86_64)
#define MASK_ABS(mask, level)\
asm volatile(\
"cdq \n\t"\
"xorl %1, %0 \n\t"\
"subl %1, %0 \n\t"\
: "+a" (level), "=&d" (mask)\
);
#else
#define MASK_ABS(mask, level)\
mask= level>>31;\
level= (level^mask)-mask;
#endif
#define GET_UTF8(val, GET_BYTE, ERROR)\
val= GET_BYTE;\
{\
......@@ -430,25 +291,6 @@ static inline int ff_get_fourcc(const char *s){
}\
}
#if __CPU__ >= 686 && !defined(RUNTIME_CPUDETECT)
#define COPY3_IF_LT(x,y,a,b,c,d)\
asm volatile (\
"cmpl %0, %3 \n\t"\
"cmovl %3, %0 \n\t"\
"cmovl %4, %1 \n\t"\
"cmovl %5, %2 \n\t"\
: "+r" (x), "+r" (a), "+r" (c)\
: "r" (y), "r" (b), "r" (d)\
);
#else
#define COPY3_IF_LT(x,y,a,b,c,d)\
if((y)<(x)){\
(x)=(y);\
(a)=(b);\
(c)=(d);\
}
#endif
#if defined(ARCH_X86) || defined(ARCH_X86_64) || defined(ARCH_POWERPC)
#if defined(ARCH_X86_64)
static inline uint64_t read_time(void)
......@@ -513,53 +355,4 @@ tend= read_time();\
#define STOP_TIMER(id) {}
#endif
/* avoid usage of various functions */
#define malloc please_use_av_malloc
#define free please_use_av_free
#define realloc please_use_av_realloc
#define time time_is_forbidden_due_to_security_issues
#define rand rand_is_forbidden_due_to_state_trashing
#define srand srand_is_forbidden_due_to_state_trashing
#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf
#define strcat strcat_is_forbidden_due_to_security_issues_use_pstrcat
#if !(defined(LIBAVFORMAT_BUILD) || defined(_FRAMEHOOK_H))
#define printf please_use_av_log
#define fprintf please_use_av_log
#endif
#define CHECKED_ALLOCZ(p, size)\
{\
p= av_mallocz(size);\
if(p==NULL && (size)!=0){\
perror("malloc");\
goto fail;\
}\
}
#ifndef HAVE_LRINTF
/* XXX: add ISOC specific test to avoid specific BSD testing. */
/* better than nothing implementation. */
/* btw, rintf() is existing on fbsd too -- alex */
static always_inline long int lrintf(float x)
{
#ifdef __MINGW32__
# ifdef ARCH_X86
int32_t i;
asm volatile(
"fistpl %0\n\t"
: "=m" (i) : "t" (x) : "st"
);
return i;
# else
/* XXX: incorrect, but make it compile */
return (int)(x + (x < 0 ? -0.5 : 0.5));
# endif /* ARCH_X86 */
#else
return (int)(rint(x));
#endif /* __MINGW32__ */
}
#endif /* HAVE_LRINTF */
#endif /* HAVE_AV_CONFIG_H */
#endif /* COMMON_H */
libavutil/internal.h 0 → 100644
View file @ 05020c89
/**
* @file internal.h
* common internal api header.
*/
#ifndef INTERNAL_H
#define INTERNAL_H
#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC)
# define PIC
#endif
# ifndef ENODATA
# define ENODATA 61
# endif
#include <stddef.h>
#ifndef offsetof
# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
#endif
#define AVOPTION_CODEC_BOOL(name, help, field) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_BOOL }
#define AVOPTION_CODEC_DOUBLE(name, help, field, minv, maxv, defval) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_DOUBLE, minv, maxv, defval }
#define AVOPTION_CODEC_FLAG(name, help, field, flag, defval) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_FLAG, flag, 0, defval }
#define AVOPTION_CODEC_INT(name, help, field, minv, maxv, defval) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_INT, minv, maxv, defval }
#define AVOPTION_CODEC_STRING(name, help, field, str, val) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_STRING, .defval = val, .defstr = str }
#define AVOPTION_CODEC_RCOVERRIDE(name, help, field) \
{ name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_RCOVERRIDE, .defval = 0, .defstr = NULL }
#define AVOPTION_SUB(ptr) { .name = NULL, .help = (const char*)ptr }
#define AVOPTION_END() AVOPTION_SUB(NULL)
#ifdef __MINGW32__
# ifdef _DEBUG
# define DEBUG
# endif
# define snprintf _snprintf
# define vsnprintf _vsnprintf
# ifdef CONFIG_WINCE
# define perror(a)
# endif
/* __MINGW32__ end */
#elif defined (CONFIG_OS2)
/* OS/2 EMX */
#include <float.h>
#endif /* !__MINGW32__ && CONFIG_OS2 */
# ifdef USE_FASTMEMCPY
# include "fastmemcpy.h"
# endif
// Use rip-relative addressing if compiling PIC code on x86-64.
# if defined(__MINGW32__) || defined(__CYGWIN__) || \
defined(__OS2__) || (defined (__OpenBSD__) && !defined(__ELF__))
# if defined(ARCH_X86_64) && defined(PIC)
# define MANGLE(a) "_" #a"(%%rip)"
# else
# define MANGLE(a) "_" #a
# endif
# else
# if defined(ARCH_X86_64) && defined(PIC)
# define MANGLE(a) #a"(%%rip)"
# elif defined(CONFIG_DARWIN)
# define MANGLE(a) "_" #a
# else
# define MANGLE(a) #a
# endif
# endif
/* debug stuff */
# if !defined(DEBUG) && !defined(NDEBUG)
# define NDEBUG
# endif
# include <assert.h>
/* dprintf macros */
# ifdef DEBUG
# define dprintf(fmt,...) av_log(NULL, AV_LOG_DEBUG, fmt, __VA_ARGS__)
# else
# define dprintf(fmt,...)
# endif
# ifdef CONFIG_WINCE
# define abort()
# endif
# define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
extern const uint32_t inverse[256];
#if defined(ARCH_X86) || defined(ARCH_X86_64)
# define FASTDIV(a,b) \
({\
int ret,dmy;\
asm volatile(\
"mull %3"\
:"=d"(ret),"=a"(dmy)\
:"1"(a),"g"(inverse[b])\
);\
ret;\
})
#elif defined(CONFIG_FASTDIV)
# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*inverse[b])>>32))
#else
# define FASTDIV(a,b) ((a)/(b))
#endif
/* math */
extern FF_IMPORT_ATTR const uint8_t ff_sqrt_tab[128];
static inline int ff_sqrt(int a)
{
int ret=0;
int s;
int ret_sq=0;
if(a<128) return ff_sqrt_tab[a];
for(s=15; s>=0; s--){
int b= ret_sq + (1<<(s*2)) + (ret<<s)*2;
if(b<=a){
ret_sq=b;
ret+= 1<<s;
}
}
return ret;
}
#if defined(ARCH_X86) || defined(ARCH_X86_64)
#define MASK_ABS(mask, level)\
asm volatile(\
"cdq \n\t"\
"xorl %1, %0 \n\t"\
"subl %1, %0 \n\t"\
: "+a" (level), "=&d" (mask)\
);
#else
#define MASK_ABS(mask, level)\
mask= level>>31;\
level= (level^mask)-mask;
#endif
#if __CPU__ >= 686 && !defined(RUNTIME_CPUDETECT)
#define COPY3_IF_LT(x,y,a,b,c,d)\
asm volatile (\
"cmpl %0, %3 \n\t"\
"cmovl %3, %0 \n\t"\
"cmovl %4, %1 \n\t"\
"cmovl %5, %2 \n\t"\
: "+r" (x), "+r" (a), "+r" (c)\
: "r" (y), "r" (b), "r" (d)\
);
#else
#define COPY3_IF_LT(x,y,a,b,c,d)\
if((y)<(x)){\
(x)=(y);\
(a)=(b);\
(c)=(d);\
}
#endif
/* avoid usage of various functions */
#define malloc please_use_av_malloc
#define free please_use_av_free
#define realloc please_use_av_realloc
#define time time_is_forbidden_due_to_security_issues
#define rand rand_is_forbidden_due_to_state_trashing
#define srand srand_is_forbidden_due_to_state_trashing
#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf
#define strcat strcat_is_forbidden_due_to_security_issues_use_pstrcat
#if !(defined(LIBAVFORMAT_BUILD) || defined(_FRAMEHOOK_H))
#define printf please_use_av_log
#define fprintf please_use_av_log
#endif
#define CHECKED_ALLOCZ(p, size)\
{\
p= av_mallocz(size);\
if(p==NULL && (size)!=0){\
perror("malloc");\
goto fail;\
}\
}
#ifndef HAVE_LRINTF
/* XXX: add ISOC specific test to avoid specific BSD testing. */
/* better than nothing implementation. */
/* btw, rintf() is existing on fbsd too -- alex */
static always_inline long int lrintf(float x)
{
#ifdef __MINGW32__
# ifdef ARCH_X86
int32_t i;
asm volatile(
"fistpl %0\n\t"
: "=m" (i) : "t" (x) : "st"
);
return i;
# else
/* XXX: incorrect, but make it compile */
return (int)(x + (x < 0 ? -0.5 : 0.5));
# endif /* ARCH_X86 */
#else
return (int)(rint(x));
#endif /* __MINGW32__ */
}
#endif /* HAVE_LRINTF */
#endif /* INTERNAL_H */
Markdown is supported
0% or
You are about to add 0 people to the discussion. Proceed with caution.
Finish editing this message first!
Please register or to comment