* common internal api header.
*/
-#ifndef INTERNAL_H
-#define INTERNAL_H
+#ifndef FFMPEG_INTERNAL_H
+#define FFMPEG_INTERNAL_H
+
+#if !defined(DEBUG) && !defined(NDEBUG)
+# define NDEBUG
+#endif
+
+#include <stdint.h>
+#include <stddef.h>
+#include <assert.h>
+
+#ifndef attribute_align_arg
+#if defined(__GNUC__) && (__GNUC__ > 4 || __GNUC__ == 4 && __GNUC_MINOR__>1)
+# define attribute_align_arg __attribute__((force_align_arg_pointer))
+#else
+# define attribute_align_arg
+#endif
+#endif
#ifndef attribute_used
#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
#endif
#endif
+/* Use Apple-specific AltiVec syntax for vector declarations when necessary. */
+#ifdef __APPLE_CC__
+#define AVV(x...) (x)
+#else
+#define AVV(x...) {x}
+#endif
+
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
#include "intreadwrite.h"
#include "bswap.h"
-#include <stddef.h>
#ifndef offsetof
# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
#endif
-#ifdef __MINGW32__
-# ifdef _DEBUG
-# define DEBUG
-# endif
-
-# define snprintf _snprintf
-# define vsnprintf _vsnprintf
-
-/* __MINGW32__ end */
-#elif defined (CONFIG_OS2)
-/* OS/2 EMX */
-
-# include <float.h>
-
-#endif /* !__MINGW32__ && CONFIG_OS2 */
-
#ifdef USE_FASTMEMCPY
# include "libvo/fastmemcpy.h"
# define memcpy(a,b,c) fast_memcpy(a,b,c)
#endif
// Use rip-relative addressing if compiling PIC code on x86-64.
-#if defined(__MINGW32__) || defined(__CYGWIN__) || \
+#if defined(__MINGW32__) || defined(__CYGWIN__) || defined(__DJGPP__) || \
defined(__OS2__) || (defined (__OpenBSD__) && !defined(__ELF__))
# if defined(ARCH_X86_64) && defined(PIC)
# define MANGLE(a) "_" #a"(%%rip)"
#else
# if defined(ARCH_X86_64) && defined(PIC)
# define MANGLE(a) #a"(%%rip)"
-# elif defined(CONFIG_DARWIN)
+# elif defined(__APPLE__)
# define MANGLE(a) "_" #a
# else
# define MANGLE(a) #a
/* debug stuff */
-#if !defined(DEBUG) && !defined(NDEBUG)
-# define NDEBUG
-#endif
-#include <assert.h>
-
/* dprintf macros */
#ifdef DEBUG
# define dprintf(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__)
# define FASTDIV(a,b) ((a)/(b))
#endif
-extern const uint8_t ff_sqrt_tab[128];
+extern const uint8_t ff_sqrt_tab[256];
+
+static inline int av_log2_16bit(unsigned int v);
-static inline int ff_sqrt(int a)
+static inline unsigned int ff_sqrt(unsigned int a)
{
- int ret=0;
- int s, b;
-
- if(a<128) return ff_sqrt_tab[a];
-
- for(s=30; s>=0; s-=2){
- ret+=ret;
- b= (1+2*ret)<<s;
- if(b<=a){
- a-=b;
- ret++;
- }
+ unsigned int b;
+
+ if(a<255) return (ff_sqrt_tab[a+1]-1)>>4;
+ else if(a<(1<<12)) b= ff_sqrt_tab[a>>4 ]>>2;
+#ifndef CONFIG_SMALL
+ else if(a<(1<<14)) b= ff_sqrt_tab[a>>6 ]>>1;
+ else if(a<(1<<16)) b= ff_sqrt_tab[a>>8 ] ;
+#endif
+ else{
+ int s= av_log2_16bit(a>>16)>>1;
+ unsigned int c= a>>(s+2);
+ b= ff_sqrt_tab[c>>(s+8)];
+ b= FASTDIV(c,b) + (b<<s);
}
- return ret;
+
+ return b - (a<b*b);
}
#if defined(ARCH_X86)
#endif
/* avoid usage of various functions */
+#undef malloc
#define malloc please_use_av_malloc
+#undef free
#define free please_use_av_free
+#undef realloc
#define realloc please_use_av_realloc
+#undef time
#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
+#undef rand
+#define rand rand_is_forbidden_due_to_state_trashing_use_av_random
+#undef srand
+#define srand srand_is_forbidden_due_to_state_trashing_use_av_init_random
+#undef random
+#define random random_is_forbidden_due_to_state_trashing_use_av_random
+#undef sprintf
#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf
-#define strcat strcat_is_forbidden_due_to_security_issues_use_pstrcat
+#undef strcat
+#define strcat strcat_is_forbidden_due_to_security_issues_use_av_strlcat
+#undef exit
#define exit exit_is_forbidden
-#if !(defined(LIBAVFORMAT_BUILD) || defined(_FRAMEHOOK_H))
+#if !(defined(LIBAVFORMAT_BUILD) || defined(FFMPEG_FRAMEHOOK_H))
+#undef printf
#define printf please_use_av_log
+#undef fprintf
#define fprintf please_use_av_log
+#undef puts
+#define puts please_use_av_log
+#undef perror
+#define perror please_use_av_log_instead_of_perror
#endif
#define CHECKED_ALLOCZ(p, size)\
{\
p= av_mallocz(size);\
if(p==NULL && (size)!=0){\
- perror("malloc");\
+ av_log(NULL, AV_LOG_ERROR, "Cannot allocate memory.");\
goto fail;\
}\
}
+#ifndef HAVE_LLRINT
+static av_always_inline long long llrint(double x)
+{
+ return rint(x);
+}
+#endif /* HAVE_LLRINT */
+
+#ifndef HAVE_LRINT
+static av_always_inline long int lrint(double x)
+{
+ return rint(x);
+}
+#endif /* HAVE_LRINT */
+
#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 av_always_inline long int lrintf(float x)
{
-#ifdef __MINGW32__
-# ifdef ARCH_X86_32
- 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_32 */
-#else
return (int)(rint(x));
-#endif /* __MINGW32__ */
}
#endif /* HAVE_LRINTF */
-#endif /* INTERNAL_H */
+#ifndef HAVE_ROUND
+static av_always_inline double round(double x)
+{
+ return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5);
+}
+#endif /* HAVE_ROUND */
+
+#ifndef HAVE_ROUNDF
+static av_always_inline float roundf(float x)
+{
+ return (x > 0) ? floor(x + 0.5) : ceil(x - 0.5);
+}
+#endif /* HAVE_ROUNDF */
+
+#endif /* FFMPEG_INTERNAL_H */
projects / ffmpeg / blobdiff