26 #ifndef AVUTIL_INTERNAL_H 27 #define AVUTIL_INTERNAL_H 29 #if !defined(DEBUG) && !defined(NDEBUG) 55 # define emms_c() while(0) 58 #ifndef attribute_align_arg 59 #if ARCH_X86_32 && AV_GCC_VERSION_AT_LEAST(4,2) 60 # define attribute_align_arg __attribute__((force_align_arg_pointer)) 62 # define attribute_align_arg 66 #if defined(_WIN32) && CONFIG_SHARED && !defined(BUILDING_avutil) 67 # define av_export_avutil __declspec(dllimport) 69 # define av_export_avutil 72 #if HAVE_PRAGMA_DEPRECATED 73 # if defined(__ICL) || defined (__INTEL_COMPILER) 74 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:1478)) 75 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop)) 76 # elif defined(_MSC_VER) 77 # define FF_DISABLE_DEPRECATION_WARNINGS __pragma(warning(push)) __pragma(warning(disable:4996)) 78 # define FF_ENABLE_DEPRECATION_WARNINGS __pragma(warning(pop)) 80 # define FF_DISABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic push") _Pragma("GCC diagnostic ignored \"-Wdeprecated-declarations\"") 81 # define FF_ENABLE_DEPRECATION_WARNINGS _Pragma("GCC diagnostic pop") 84 # define FF_DISABLE_DEPRECATION_WARNINGS 85 # define FF_ENABLE_DEPRECATION_WARNINGS 89 #define FF_MEMORY_POISON 0x2a 91 #define MAKE_ACCESSORS(str, name, type, field) \ 92 type av_##name##_get_##field(const str *s) { return s->field; } \ 93 void av_##name##_set_##field(str *s, type v) { s->field = v; } 102 #define AV_CHECK_OFFSET(s, m, o) struct check_##o { \ 103 int x_##o[offsetof(s, m) == o? 1: -1]; \ 106 #define LOCAL_ALIGNED_A(a, t, v, s, o, ...) \ 107 uint8_t la_##v[sizeof(t s o) + (a)]; \ 108 t (*v) o = (void *)FFALIGN((uintptr_t)la_##v, a) 110 #define LOCAL_ALIGNED_D(a, t, v, s, o, ...) \ 111 DECLARE_ALIGNED(a, t, la_##v) s o; \ 114 #define LOCAL_ALIGNED(a, t, v, ...) LOCAL_ALIGNED_##a(t, v, __VA_ARGS__) 116 #if HAVE_LOCAL_ALIGNED 117 # define LOCAL_ALIGNED_4(t, v, ...) E1(LOCAL_ALIGNED_D(4, t, v, __VA_ARGS__,,)) 119 # define LOCAL_ALIGNED_4(t, v, ...) E1(LOCAL_ALIGNED_A(4, t, v, __VA_ARGS__,,)) 122 #if HAVE_LOCAL_ALIGNED 123 # define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_D(8, t, v, __VA_ARGS__,,)) 125 # define LOCAL_ALIGNED_8(t, v, ...) E1(LOCAL_ALIGNED_A(8, t, v, __VA_ARGS__,,)) 128 #if HAVE_LOCAL_ALIGNED 129 # define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_D(16, t, v, __VA_ARGS__,,)) 131 # define LOCAL_ALIGNED_16(t, v, ...) E1(LOCAL_ALIGNED_A(16, t, v, __VA_ARGS__,,)) 134 #if HAVE_LOCAL_ALIGNED 135 # define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_D(32, t, v, __VA_ARGS__,,)) 137 # define LOCAL_ALIGNED_32(t, v, ...) E1(LOCAL_ALIGNED_A(32, t, v, __VA_ARGS__,,)) 140 #define FF_ALLOC_OR_GOTO(ctx, p, size, label)\ 142 p = av_malloc(size);\ 143 if (!(p) && (size) != 0) {\ 144 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ 149 #define FF_ALLOCZ_OR_GOTO(ctx, p, size, label)\ 151 p = av_mallocz(size);\ 152 if (!(p) && (size) != 0) {\ 153 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ 158 #define FF_ALLOC_ARRAY_OR_GOTO(ctx, p, nelem, elsize, label)\ 160 p = av_malloc_array(nelem, elsize);\ 162 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ 167 #define FF_ALLOCZ_ARRAY_OR_GOTO(ctx, p, nelem, elsize, label)\ 169 p = av_mallocz_array(nelem, elsize);\ 171 av_log(ctx, AV_LOG_ERROR, "Cannot allocate memory.\n");\ 184 # define NULL_IF_CONFIG_SMALL(x) NULL 186 # define NULL_IF_CONFIG_SMALL(x) x 206 #if HAVE_SYMVER_ASM_LABEL 207 # define FF_SYMVER(type, name, args, ver) \ 208 type ff_##name args __asm__ (EXTERN_PREFIX #name "@" ver); \ 210 #elif HAVE_SYMVER_GNU_ASM 211 # define FF_SYMVER(type, name, args, ver) \ 212 __asm__ (".symver ff_" #name "," EXTERN_PREFIX #name "@" ver); \ 213 type ff_##name args; \ 223 # define ONLY_IF_THREADS_ENABLED(x) x 225 # define ONLY_IF_THREADS_ENABLED(x) NULL 250 #include <crtversion.h> 251 #if defined(_VC_CRT_MAJOR_VERSION) && _VC_CRT_MAJOR_VERSION < 14 252 #pragma comment(linker, "/include:" EXTERN_PREFIX "avpriv_strtod") 253 #pragma comment(linker, "/include:" EXTERN_PREFIX "avpriv_snprintf") 256 #define avpriv_open ff_open 257 #define avpriv_tempfile ff_tempfile 258 #define PTRDIFF_SPECIFIER "Id" 259 #define SIZE_SPECIFIER "Iu" 261 #define PTRDIFF_SPECIFIER "td" 262 #define SIZE_SPECIFIER "zu" 266 # define ff_dlog(ctx, ...) av_log(ctx, AV_LOG_DEBUG, __VA_ARGS__) 268 # define ff_dlog(ctx, ...) do { if (0) av_log(ctx, AV_LOG_DEBUG, __VA_ARGS__); } while (0) 275 #define SUINT32 int32_t 277 #define SUINT unsigned 278 #define SUINT32 uint32_t 298 #if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2 299 if (amin > amax) abort();
303 if (a >= 9223372036854775808.0)
305 if (a <= -9223372036854775808.0)
334 int avpriv_tempfile(
const char *prefix,
char **filename,
int log_offset,
void *log_ctx);
343 while ((
unsigned)x > (
unsigned)w) {
367 #define FF_PSEUDOPAL AV_PIX_FMT_FLAG_PSEUDOPAL 369 #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
Memory handling functions.
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.
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 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.