26 #ifndef AVUTIL_INTERNAL_H 27 #define AVUTIL_INTERNAL_H 29 #if !defined(DEBUG) && !defined(NDEBUG) 51 #ifndef attribute_align_arg 52 #if ARCH_X86_32 && AV_GCC_VERSION_AT_LEAST(4,2) 53 # define attribute_align_arg __attribute__((force_align_arg_pointer)) 55 # define attribute_align_arg 59 #if defined(_MSC_VER) && CONFIG_SHARED 60 # define av_export __declspec(dllimport) 65 #if HAVE_PRAGMA_DEPRECATED 67 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:1478)) 68 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop)) 69 # elif defined(_MSC_VER) 70 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:4996)) 71 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop)) 73 # define FF_DISABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") 74 # define FF_ENABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic warning \"-Wdeprecated-declarations\"") 77 # define FF_DISABLE_DEPRECATION_WARNINGS 78 # define FF_ENABLE_DEPRECATION_WARNINGS 88 #define AV_CHECK_OFFSET(s, m, o) struct check_##o { \ 89 int x_##o[offsetof(s, m) == o? 1: -1]; \ 92 #define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \ 93 uint8_t la_##v[sizeof(t s o) + (a)]; \ 94 t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a) 96 #define LOCAL_ALIGNED_D(a, t, v, s, o, ...) \ 97 DECLARE_ALIGNED(a, t, la_##v) s o; \ 100 #define LOCAL_ALIGNED(a, t, v, ...) E1(LOCAL_ALIGNED_A(a, t, v, __VA_ARGS__,,)) 102 #if HAVE_LOCAL_ALIGNED_8 103 # define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,)) 105 # define LOCAL_ALIGNED_8(t, v, ...) LOCAL_ALIGNED(8, t, v, __VA_ARGS__) 108 #if HAVE_LOCAL_ALIGNED_16 109 # define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,)) 111 # define LOCAL_ALIGNED_16(t, v, ...) LOCAL_ALIGNED(16, t, v, __VA_ARGS__) 114 #if HAVE_LOCAL_ALIGNED_32 115 # define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_D(32, t, v, __VA_ARGS__,,)) 117 # define LOCAL_ALIGNED_32(t, v, ...) LOCAL_ALIGNED(32, t, v, __VA_ARGS__) 120 #define FF_ALLOC_OR_GOTO(ctx, p, size, label)\ 122 p = av_malloc(size);\ 123 if (!(p) && (size) != 0) {\ 124 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ 129 #define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\ 131 p = av_mallocz(size);\ 132 if (!(p) && (size) != 0) {\ 133 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ 146 # define NULL_IF_CONFIG_SMALL(x) NULL 148 # define NULL_IF_CONFIG_SMALL(x) x 169 #if HAVE_SYMVER_ASM_LABEL 170 # define FF_SYMVER(type, name, args, ver) \ 171 type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \ 173 #elif HAVE_SYMVER_GNU_ASM 174 # define FF_SYMVER(type, name, args, ver) \ 175 __asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \ 176 type ff_##name args; \ 186 # define ONLY_IF_THREADS_ENABLED(x) x 188 # define ONLY_IF_THREADS_ENABLED(x) NULL 213 #include <crtversion.h> 214 #if defined(_VC_CRT_MAJOR_VERSION) && _VC_CRT_MAJOR_VERSION < 14 215 #pragma comment(linker, "/include:"EXTERN_PREFIX"avpriv_strtod") 216 #pragma comment(linker, "/include:"EXTERN_PREFIX"avpriv_snprintf") 219 #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.
Utility Preprocessor macros.
#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.