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");\ 143 # define NULL_IF_CONFIG_SMALL(x) NULL 145 # define NULL_IF_CONFIG_SMALL(x) x 166 #if HAVE_SYMVER_ASM_LABEL 167 # define FF_SYMVER(type, name, args, ver) \ 168 type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \ 170 #elif HAVE_SYMVER_GNU_ASM 171 # define FF_SYMVER(type, name, args, ver) \ 172 __asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \ 173 type ff_##name args; \ 183 # define ONLY_IF_THREADS_ENABLED(x) x 185 # define ONLY_IF_THREADS_ENABLED(x) NULL 210 #include <crtversion.h> 211 #if defined(_VC_CRT_MAJOR_VERSION) && _VC_CRT_MAJOR_VERSION < 14 212 #pragma comment(linker, "/include:"EXTERN_PREFIX"avpriv_strtod") 213 #pragma comment(linker, "/include:"EXTERN_PREFIX"avpriv_snprintf") 216 #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.