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00026 #ifndef AVUTIL_INTERNAL_H
00027 #define AVUTIL_INTERNAL_H
00028
00029 #if !defined(DEBUG) && !defined(NDEBUG)
00030 # define NDEBUG
00031 #endif
00032
00033 #include <limits.h>
00034 #include <stdint.h>
00035 #include <stddef.h>
00036 #include <assert.h>
00037 #include "config.h"
00038 #include "attributes.h"
00039 #include "timer.h"
00040
00041 #ifndef attribute_align_arg
00042 #if ARCH_X86_32 && (!defined(__ICC) || __ICC > 1200) && AV_GCC_VERSION_AT_LEAST(4,2)
00043 # define attribute_align_arg __attribute__((force_align_arg_pointer))
00044 #else
00045 # define attribute_align_arg
00046 #endif
00047 #endif
00048
00049 #ifndef INT16_MIN
00050 #define INT16_MIN (-0x7fff - 1)
00051 #endif
00052
00053 #ifndef INT16_MAX
00054 #define INT16_MAX 0x7fff
00055 #endif
00056
00057 #ifndef INT32_MIN
00058 #define INT32_MIN (-0x7fffffff - 1)
00059 #endif
00060
00061 #ifndef INT32_MAX
00062 #define INT32_MAX 0x7fffffff
00063 #endif
00064
00065 #ifndef UINT32_MAX
00066 #define UINT32_MAX 0xffffffff
00067 #endif
00068
00069 #ifndef INT64_MIN
00070 #define INT64_MIN (-0x7fffffffffffffffLL - 1)
00071 #endif
00072
00073 #ifndef INT64_MAX
00074 #define INT64_MAX INT64_C(9223372036854775807)
00075 #endif
00076
00077 #ifndef UINT64_MAX
00078 #define UINT64_MAX UINT64_C(0xFFFFFFFFFFFFFFFF)
00079 #endif
00080
00081 #ifndef INT_BIT
00082 # define INT_BIT (CHAR_BIT * sizeof(int))
00083 #endif
00084
00085 #ifndef offsetof
00086 # define offsetof(T, F) ((unsigned int)((char *)&((T *)0)->F))
00087 #endif
00088
00089
00090 #define LABEL_MANGLE(a) EXTERN_PREFIX #a
00091
00092
00093 #if ARCH_X86_64 && defined(PIC)
00094 # define LOCAL_MANGLE(a) #a "(%%rip)"
00095 #else
00096 # define LOCAL_MANGLE(a) #a
00097 #endif
00098
00099 #define MANGLE(a) EXTERN_PREFIX LOCAL_MANGLE(a)
00100
00101
00102
00103 #define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
00104
00105
00106
00107 #if ARCH_X86
00108 #define MASK_ABS(mask, level)\
00109 __asm__ volatile(\
00110 "cltd \n\t"\
00111 "xorl %1, %0 \n\t"\
00112 "subl %1, %0 \n\t"\
00113 : "+a" (level), "=&d" (mask)\
00114 );
00115 #else
00116 #define MASK_ABS(mask, level)\
00117 mask = level >> 31;\
00118 level = (level ^ mask) - mask;
00119 #endif
00120
00121
00122 #undef malloc
00123 #define malloc please_use_av_malloc
00124 #undef free
00125 #define free please_use_av_free
00126 #undef realloc
00127 #define realloc please_use_av_realloc
00128 #undef time
00129 #define time time_is_forbidden_due_to_security_issues
00130 #undef rand
00131 #define rand rand_is_forbidden_due_to_state_trashing_use_av_lfg_get
00132 #undef srand
00133 #define srand srand_is_forbidden_due_to_state_trashing_use_av_lfg_init
00134 #undef random
00135 #define random random_is_forbidden_due_to_state_trashing_use_av_lfg_get
00136 #undef sprintf
00137 #define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf
00138 #undef strcat
00139 #define strcat strcat_is_forbidden_due_to_security_issues_use_av_strlcat
00140 #undef exit
00141 #define exit exit_is_forbidden
00142 #ifndef LIBAVFORMAT_BUILD
00143 #undef printf
00144 #define printf please_use_av_log_instead_of_printf
00145 #undef fprintf
00146 #define fprintf please_use_av_log_instead_of_fprintf
00147 #undef puts
00148 #define puts please_use_av_log_instead_of_puts
00149 #undef perror
00150 #define perror please_use_av_log_instead_of_perror
00151 #endif
00152
00153 #define FF_ALLOC_OR_GOTO(ctx, p, size, label)\
00154 {\
00155 p = av_malloc(size);\
00156 if (p == NULL && (size) != 0) {\
00157 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
00158 goto label;\
00159 }\
00160 }
00161
00162 #define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\
00163 {\
00164 p = av_mallocz(size);\
00165 if (p == NULL && (size) != 0) {\
00166 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
00167 goto label;\
00168 }\
00169 }
00170
00171 #include "libm.h"
00172
00178 #if CONFIG_SMALL
00179 # define NULL_IF_CONFIG_SMALL(x) NULL
00180 #else
00181 # define NULL_IF_CONFIG_SMALL(x) x
00182 #endif
00183
00184
00202 #if HAVE_SYMVER_ASM_LABEL
00203 # define FF_SYMVER(type, name, args, ver) \
00204 type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \
type ff_##name args
#elif HAVE_SYMVER_GNU_ASM
# define FF_SYMVER(type, name, args, ver) \
__asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \
type ff_##name args; \
type ff_##name args
#endif
00210 #if HAVE_THREADS
# define ONLY_IF_THREADS_ENABLED(x) x
#else
# define ONLY_IF_THREADS_ENABLED(x) NULL
#endif
#endif /* AVUTIL_INTERNAL_H */