/**
* @file common.h
- * common internal api header.
+ * common internal and external api header.
*/
#ifndef COMMON_H
#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"
# 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. */
#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
# 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))
#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];
}
/* 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);
}
#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;\
{\
}\
}
-#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)
#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 */
--- /dev/null
+/**
+ * @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 */