/*
* copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
*
- * This library is free software; you can redistribute it and/or
+ * This file is part of FFmpeg.
+ *
+ * FFmpeg is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
+ * version 2.1 of the License, or (at your option) any later version.
*
- * This library is distributed in the hope that it will be useful,
+ * FFmpeg is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
+ * License along with FFmpeg; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
* common internal api header.
*/
-#ifndef INTERNAL_H
-#define INTERNAL_H
+#ifndef FFMPEG_INTERNAL_H
+#define FFMPEG_INTERNAL_H
-#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC)
-# define PIC
+#if !defined(DEBUG) && !defined(NDEBUG)
+# define NDEBUG
#endif
-# ifndef ENODATA
-# define ENODATA 61
-# endif
+#include <stdint.h>
+#include <stddef.h>
+#include <assert.h>
-#include "bswap.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
-#include <stddef.h>
-#ifndef offsetof
-# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
+#ifndef attribute_used
+#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
+# define attribute_used __attribute__((used))
+#else
+# define attribute_used
+#endif
#endif
-#ifdef __MINGW32__
-# ifdef _DEBUG
-# define DEBUG
-# endif
+#ifndef M_PI
+#define M_PI 3.14159265358979323846
+#endif
-# define snprintf _snprintf
-# define vsnprintf _vsnprintf
+#ifndef INT16_MIN
+#define INT16_MIN (-0x7fff-1)
+#endif
-# ifdef CONFIG_WINCE
-# define perror(a)
-# endif
+#ifndef INT16_MAX
+#define INT16_MAX 0x7fff
+#endif
-/* __MINGW32__ end */
-#elif defined (CONFIG_OS2)
-/* OS/2 EMX */
+#ifndef INT32_MIN
+#define INT32_MIN (-0x7fffffff-1)
+#endif
-#include <float.h>
+#ifndef INT32_MAX
+#define INT32_MAX 0x7fffffff
+#endif
-#endif /* !__MINGW32__ && CONFIG_OS2 */
+#ifndef UINT32_MAX
+#define UINT32_MAX 0xffffffff
+#endif
-# ifdef USE_FASTMEMCPY
-# include "libvo/fastmemcpy.h"
-# endif
+#ifndef INT64_MIN
+#define INT64_MIN (-0x7fffffffffffffffLL-1)
+#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
+#ifndef INT64_MAX
+#define INT64_MAX INT64_C(9223372036854775807)
+#endif
+
+#ifndef UINT64_MAX
+#define UINT64_MAX UINT64_C(0xFFFFFFFFFFFFFFFF)
+#endif
+
+#ifndef INT_BIT
+# if INT_MAX != 2147483647
+# define INT_BIT 64
# 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
+# define INT_BIT 32
# endif
+#endif
-/* debug stuff */
+#if ( defined(__PIC__) || defined(__pic__) ) && ! defined(PIC)
+# define PIC
+#endif
-# if !defined(DEBUG) && !defined(NDEBUG)
-# define NDEBUG
-# endif
-# include <assert.h>
+#include "config.h"
+#include "intreadwrite.h"
+#include "bswap.h"
+
+#ifndef offsetof
+# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
+#endif
+
+#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(ARCH_X86_64) && defined(PIC)
+# define LOCAL_MANGLE(a) #a "(%%rip)"
+#else
+# define LOCAL_MANGLE(a) #a
+#endif
+
+#define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a)
+
+/* debug stuff */
/* dprintf macros */
-# ifdef DEBUG
-# define dprintf(fmt,...) av_log(NULL, AV_LOG_DEBUG, fmt, __VA_ARGS__)
-# else
-# define dprintf(fmt,...)
-# endif
+#ifdef DEBUG
+# define dprintf(pctx, ...) av_log(pctx, AV_LOG_DEBUG, __VA_ARGS__)
+#else
+# define dprintf(pctx, ...)
+#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)
-# define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
+/* math */
-extern const uint32_t inverse[256];
+extern const uint32_t ff_inverse[256];
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
+#if defined(ARCH_X86)
# define FASTDIV(a,b) \
({\
int ret,dmy;\
asm volatile(\
"mull %3"\
:"=d"(ret),"=a"(dmy)\
- :"1"(a),"g"(inverse[b])\
+ :"1"(a),"g"(ff_inverse[b])\
);\
ret;\
})
+#elif defined(HAVE_ARMV6)
+static inline av_const int FASTDIV(int a, int b)
+{
+ int r;
+ asm volatile("smmul %0, %1, %2" : "=r"(r) : "r"(a), "r"(ff_inverse[b]));
+ return r;
+}
#elif defined(ARCH_ARMV4L)
# define FASTDIV(a,b) \
({\
asm volatile(\
"umull %1, %0, %2, %3"\
:"=&r"(ret),"=&r"(dmy)\
- :"r"(a),"r"(inverse[b])\
+ :"r"(a),"r"(ff_inverse[b])\
);\
ret;\
})
#elif defined(CONFIG_FASTDIV)
-# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*inverse[b])>>32))
+# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*ff_inverse[b])>>32))
#else
# define FASTDIV(a,b) ((a)/(b))
#endif
-/* math */
-extern FF_IMPORT_ATTR 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 av_const unsigned int ff_sqrt(unsigned 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;
- }
+ 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) || defined(ARCH_X86_64)
+#if defined(ARCH_X86)
#define MASK_ABS(mask, level)\
asm volatile(\
- "cdq \n\t"\
+ "cltd \n\t"\
"xorl %1, %0 \n\t"\
"subl %1, %0 \n\t"\
: "+a" (level), "=&d" (mask)\
level= (level^mask)-mask;
#endif
-#if __CPU__ >= 686 && !defined(RUNTIME_CPUDETECT)
+#ifdef HAVE_CMOV
#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" (x), "+&r" (a), "+r" (c)\
: "r" (y), "r" (b), "r" (d)\
);
#else
#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
-#if !(defined(LIBAVFORMAT_BUILD) || defined(_FRAMEHOOK_H))
+#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(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 av_const long long llrint(double x)
+{
+ return rint(x);
+}
+#endif /* HAVE_LLRINT */
+
+#ifndef HAVE_LRINT
+static av_always_inline av_const 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 always_inline long int lrintf(float x)
+static av_always_inline av_const 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 */
+#ifndef HAVE_ROUND
+static av_always_inline av_const 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 av_const 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