26 #ifndef AVUTIL_INTERNAL_H
27 #define AVUTIL_INTERNAL_H
29 #if !defined(DEBUG) && !defined(NDEBUG)
50 #ifndef attribute_align_arg
51 #if ARCH_X86_32 && AV_GCC_VERSION_AT_LEAST(4,2)
52 # define attribute_align_arg __attribute__((force_align_arg_pointer))
54 # define attribute_align_arg
58 #if defined(_MSC_VER) && CONFIG_SHARED
59 # define av_export __declspec(dllimport)
64 #if HAVE_PRAGMA_DEPRECATED
66 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:1478))
67 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop))
68 # elif defined(_MSC_VER)
69 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:4996))
70 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop))
72 # define FF_DISABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"")
73 # define FF_ENABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"")
76 # define FF_DISABLE_DEPRECATION_WARNINGS
77 # define FF_ENABLE_DEPRECATION_WARNINGS
81 # define INT_BIT (CHAR_BIT * sizeof(int))
91 #define AV_CHECK_OFFSET(s, m, o) struct check_##o { \
92 int x_##o[offsetof(s, m) == o? 1: -1]; \
95 #define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \
96 uint8_t la_##v[sizeof(t s o) + (a)]; \
97 t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a)
99 #define LOCAL_ALIGNED_D(a, t, v, s, o, ...) \
100 DECLARE_ALIGNED(a, t, la_##v) s o; \
103 #define LOCAL_ALIGNED(a, t, v, ...) E1(LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,))
105 #if HAVE_LOCAL_ALIGNED_8
106 # define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,))
108 # define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED(8, t, v, __VA_ARGS__)
111 #if HAVE_LOCAL_ALIGNED_16
112 # define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,))
114 # define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED(16, t, v, __VA_ARGS__)
117 #define FF_ALLOC_OR_GOTO(ctx, p, size, label)\
119 p = av_malloc(size);\
120 if (!(p) && (size) != 0) {\
121 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
126 #define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\
128 p = av_mallocz(size);\
129 if (!(p) && (size) != 0) {\
130 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\
137 #if defined(_MSC_VER)
138 #pragma comment(linker, "/include:"EXTERN_PREFIX"avpriv_strtod")
139 #pragma comment(linker, "/include:"EXTERN_PREFIX"avpriv_snprintf")
148 # define NULL_IF_CONFIG_SMALL(x) NULL
150 # define NULL_IF_CONFIG_SMALL(x) x
171 #if HAVE_SYMVER_ASM_LABEL
172 # define FF_SYMVER(type, name, args, ver) \
173 type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \
175 #elif HAVE_SYMVER_GNU_ASM
176 # define FF_SYMVER(type, name, args, ver) \
177 __asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \
178 type ff_##name args; \
188 # define ONLY_IF_THREADS_ENABLED(x) x
190 # define ONLY_IF_THREADS_ENABLED(x) NULL
215 #define avpriv_open ff_open
Macro definitions for various function/variable attributes.
void void avpriv_request_sample(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
#define av_printf_format(fmtpos, attrpos)
enum AVPixelFormat pix_fmt
Replacements for frequently missing libm functions.
void avpriv_report_missing_feature(void *avc, const char *msg,...) av_printf_format(2
Log a generic warning message about a missing feature.
void void int avpriv_open(const char *filename, int flags,...)
A wrapper for open() setting O_CLOEXEC.
int avpriv_set_systematic_pal2(uint32_t pal[256], enum AVPixelFormat pix_fmt)
AVPixelFormat
Pixel format.