26 #ifndef AVUTIL_INTERNAL_H 27 #define AVUTIL_INTERNAL_H 29 #if !defined(DEBUG) && !defined(NDEBUG) 54 # define emms_c() do {} while(0) 57 #ifndef attribute_align_arg 58 #if ARCH_X86_32 && AV_GCC_VERSION_AT_LEAST(4,2) 59 # define attribute_align_arg __attribute__((force_align_arg_pointer)) 61 # define attribute_align_arg 65 #if defined(_WIN32) && CONFIG_SHARED && !defined(BUILDING_avutil) 66 # define av_export_avutil __declspec(dllimport) 68 # define av_export_avutil 71 #if HAVE_PRAGMA_DEPRECATED 72 # if defined(__ICL) || defined (__INTEL_COMPILER) 73 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:1478)) 74 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop)) 75 # elif defined(_MSC_VER) 76 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:4996)) 77 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop)) 79 # define FF_DISABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic push") _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") 80 # define FF_ENABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic pop") 83 # define FF_DISABLE_DEPRECATION_WARNINGS 84 # define FF_ENABLE_DEPRECATION_WARNINGS 88 #define FF_MEMORY_POISON 0x2a 90 #define MAKE_ACCESSORS(str, name, type, field) \ 91 type av_##name##_get_##field(const str *s) { return s->field; } \ 92 void av_##name##_set_##field(str *s, type v) { s->field = v; } 97 #define AV_CHECK_OFFSET(s, m, o) struct check_##o { \ 98 int x_##o[offsetof(s, m) == o? 1: -1]; \ 102 #define FF_ALLOC_TYPED_ARRAY(p, nelem) (p = av_malloc_array(nelem, sizeof(*p))) 103 #define FF_ALLOCZ_TYPED_ARRAY(p, nelem) (p = av_mallocz_array(nelem, sizeof(*p))) 113 # define NULL_IF_CONFIG_SMALL(x) NULL 115 # define NULL_IF_CONFIG_SMALL(x) x 135 #if HAVE_SYMVER_ASM_LABEL 136 # define FF_SYMVER(type, name, args, ver) \ 137 type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \ 139 #elif HAVE_SYMVER_GNU_ASM 140 # define FF_SYMVER(type, name, args, ver) \ 141 __asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \ 142 type ff_##name args; \ 152 # define ONLY_IF_THREADS_ENABLED(x) x 154 # define ONLY_IF_THREADS_ENABLED(x) NULL 179 #include <crtversion.h> 180 #if defined(_VC_CRT_MAJOR_VERSION) && _VC_CRT_MAJOR_VERSION < 14 181 #pragma comment(linker, "/include:" EXTERN_PREFIX "avpriv_strtod") 182 #pragma comment(linker, "/include:" EXTERN_PREFIX "avpriv_snprintf") 185 #define avpriv_open ff_open 186 #define avpriv_tempfile ff_tempfile 187 #define PTRDIFF_SPECIFIER "Id" 188 #define SIZE_SPECIFIER "Iu" 190 #define PTRDIFF_SPECIFIER "td" 191 #define SIZE_SPECIFIER "zu" 195 # define ff_dlog(ctx, ...) av_log(ctx, AV_LOG_DEBUG, __VA_ARGS__) 197 # define ff_dlog(ctx, ...) do { if (0) av_log(ctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0) 204 #define SUINT32 int32_t 206 #define SUINT unsigned 207 #define SUINT32 uint32_t 227 #if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2 228 if (amin > amax) abort();
232 if (a >= 9223372036854775808.0)
234 if (a <= -9223372036854775808.0)
263 int avpriv_tempfile(
const char *prefix,
char **filename,
int log_offset,
void *log_ctx);
272 while ((
unsigned)x > (
unsigned)w) {
297 #define FF_PSEUDOPAL AV_PIX_FMT_FLAG_PSEUDOPAL 299 #define FF_PSEUDOPAL 0
av_warn_unused_result int avpriv_open(const char *filename, int flags,...)
A wrapper for open() setting O_CLOEXEC.
static enum AVPixelFormat pix_fmt
static av_always_inline av_const int64_t ff_rint64_clip(double a, int64_t amin, int64_t amax)
Clip and convert a double value into the long long amin-amax range.
The reader does not expect b to be semantically here and if the code is changed by maybe adding a a division or other the signedness will almost certainly be mistaken To avoid this confusion a new type was SUINT is the C unsigned type but it holds a signed int to use the same example SUINT a
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.
high precision timer, useful to profile code
Utility Preprocessor macros.
int avpriv_tempfile(const char *prefix, char **filename, int log_offset, void *log_ctx)
Wrapper to work around the lack of mkstemp() on mingw.
Libavutil version macros.
#define av_printf_format(fmtpos, attrpos)
int avpriv_dict_set_timestamp(AVDictionary **dict, const char *key, int64_t timestamp)
Set a dictionary value to an ISO-8601 compliant timestamp string.
static av_always_inline av_const int avpriv_mirror(int x, int w)
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.
#define flags(name, subs,...)
#define av_warn_unused_result
void ff_check_pixfmt_descriptors(void)
int avpriv_set_systematic_pal2(uint32_t pal[256], enum AVPixelFormat pix_fmt)
AVPixelFormat
Pixel format.