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26 #ifndef AVUTIL_INTERNAL_H
27 #define AVUTIL_INTERNAL_H
29 #if !defined(DEBUG) && !defined(NDEBUG)
49 #ifndef attribute_align_arg
50 #if ARCH_X86_32 && AV_GCC_VERSION_AT_LEAST(4,2)
51 # define attribute_align_arg __attribute__((force_align_arg_pointer))
53 # define attribute_align_arg
57 #if defined(_MSC_VER) && CONFIG_SHARED
58 # define av_export __declspec(dllimport)
63 #if HAVE_PRAGMA_DEPRECATED
65 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:1478))
66 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop))
67 # elif defined(_MSC_VER)
68 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:4996))
69 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop))
71 # define FF_DISABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
72 # define FF_ENABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
75 # define FF_DISABLE_DEPRECATION_WARNINGS
76 # define FF_ENABLE_DEPRECATION_WARNINGS
80 # define INT_BIT (CHAR_BIT * sizeof(int))
87 #define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \
88 uint8_t la_##v[sizeof(t s o) + (a)]; \
89 t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a)
91 #define LOCAL_ALIGNED_D(a, t, v, s, o, ...) \
92 DECLARE_ALIGNED(a, t, la_##v) s o; \
95 #define LOCAL_ALIGNED(a, t, v, ...) E1(LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,))
97 #if HAVE_LOCAL_ALIGNED_8
98 # define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,))
100 # define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED(8, t, v, __VA_ARGS__)
103 #if HAVE_LOCAL_ALIGNED_16
104 # define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,))
106 # define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED(16, t, v, __VA_ARGS__)
109 #define FF_ALLOC_OR_GOTO(ctx, p, size, label)\
111 p = av_malloc(size);\
112 if (p == NULL && (size) != 0) {\
113 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
118 #define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\
120 p = av_mallocz(size);\
121 if (p == NULL && (size) != 0) {\
122 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
129 #if defined(_MSC_VER)
130 #pragma comment(linker, "/include:"EXTERN_PREFIX"avpriv_strtod")
131 #pragma comment(linker, "/include:"EXTERN_PREFIX"avpriv_snprintf")
140 # define NULL_IF_CONFIG_SMALL(x) NULL
142 # define NULL_IF_CONFIG_SMALL(x) x
163 #if HAVE_SYMVER_ASM_LABEL
164 # define FF_SYMVER(type, name, args, ver) \
165 type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \
167 #elif HAVE_SYMVER_GNU_ASM
168 # define FF_SYMVER(type, name, args, ver) \
169 __asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \
170 type ff_##name args; \
180 # define ONLY_IF_THREADS_ENABLED(x) x
182 # define ONLY_IF_THREADS_ENABLED(x) NULL
207 #define avpriv_open ff_open