/**
* @file common.h
- * common internal api header.
+ * common internal and external api header.
*/
#ifndef COMMON_H
#define COMMON_H
-#if defined(WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
-# define CONFIG_WIN32
-#endif
-
#ifndef M_PI
#define M_PI 3.14159265358979323846
#endif
# include "berrno.h"
# endif
# include <math.h>
-
-# ifndef ENODATA
-# define ENODATA 61
-# endif
-
-#include <stddef.h>
-#ifndef offsetof
-# define offsetof(T,F) ((unsigned int)((char *)&((T *)0)->F))
-#endif
-
-#define AVOPTION_CODEC_BOOL(name, help, field) \
- { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_BOOL }
-#define AVOPTION_CODEC_DOUBLE(name, help, field, minv, maxv, defval) \
- { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_DOUBLE, minv, maxv, defval }
-#define AVOPTION_CODEC_FLAG(name, help, field, flag, defval) \
- { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_FLAG, flag, 0, defval }
-#define AVOPTION_CODEC_INT(name, help, field, minv, maxv, defval) \
- { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_INT, minv, maxv, defval }
-#define AVOPTION_CODEC_STRING(name, help, field, str, val) \
- { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_STRING, .defval = val, .defstr = str }
-#define AVOPTION_CODEC_RCOVERRIDE(name, help, field) \
- { name, help, offsetof(AVCodecContext, field), FF_OPT_TYPE_RCOVERRIDE, .defval = 0, .defstr = NULL }
-#define AVOPTION_SUB(ptr) { .name = NULL, .help = (const char*)ptr }
-#define AVOPTION_END() AVOPTION_SUB(NULL)
-
#endif /* HAVE_AV_CONFIG_H */
/* Suppress restrict if it was not defined in config.h. */
#endif
#endif
+#ifndef attribute_deprecated
+#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
+# define attribute_deprecated __attribute__((deprecated))
+#else
+# define attribute_deprecated
+#endif
+#endif
+
#ifndef EMULATE_INTTYPES
# include <inttypes.h>
#else
typedef unsigned char uint8_t;
typedef unsigned short uint16_t;
typedef unsigned int uint32_t;
-
-# ifdef CONFIG_WIN32
- typedef signed __int64 int64_t;
- typedef unsigned __int64 uint64_t;
-# else /* other OS */
- typedef signed long long int64_t;
- typedef unsigned long long uint64_t;
-# endif /* other OS */
+ typedef signed long long int64_t;
+ typedef unsigned long long uint64_t;
#endif /* EMULATE_INTTYPES */
+#ifndef PRId64
+#define PRId64 "lld"
+#endif
+
+#ifndef PRIu64
+#define PRIu64 "llu"
+#endif
+
+#ifndef PRIx64
+#define PRIx64 "llx"
+#endif
+
+#ifndef PRId32
+#define PRId32 "d"
+#endif
+
+#ifndef PRIdFAST16
+#define PRIdFAST16 PRId32
+#endif
+
+#ifndef PRIdFAST32
+#define PRIdFAST32 PRId32
+#endif
+
#ifndef INT16_MIN
#define INT16_MIN (-0x7fff-1)
#endif
#define INT16_MAX 0x7fff
#endif
+#ifndef INT32_MIN
+#define INT32_MIN (-0x7fffffff-1)
+#endif
+
+#ifndef INT32_MAX
+#define INT32_MAX 0x7fffffff
+#endif
+
+#ifndef UINT32_MAX
+#define UINT32_MAX 0xffffffff
+#endif
+
#ifndef INT64_MIN
#define INT64_MIN (-0x7fffffffffffffffLL-1)
#endif
# endif
#endif
-#if defined(CONFIG_OS2) || defined(CONFIG_SUNOS)
-static inline float floorf(float f) {
- return floor(f);
-}
-#endif
-
-#ifdef CONFIG_WIN32
-
-/* windows */
-
-# if !defined(__MINGW32__) && !defined(__CYGWIN__)
-# define int64_t_C(c) (c ## i64)
-# define uint64_t_C(c) (c ## i64)
-
-# ifdef HAVE_AV_CONFIG_H
-# define inline __inline
-# endif
-
-# else
-# define int64_t_C(c) (c ## LL)
-# define uint64_t_C(c) (c ## ULL)
-# endif /* __MINGW32__ */
-
-# ifdef HAVE_AV_CONFIG_H
-# ifdef _DEBUG
-# define DEBUG
-# endif
-
-# define snprintf _snprintf
-# define vsnprintf _vsnprintf
-# endif
-
-/* CONFIG_WIN32 end */
-#elif defined (CONFIG_OS2)
-/* OS/2 EMX */
-
#ifndef int64_t_C
#define int64_t_C(c) (c ## LL)
#define uint64_t_C(c) (c ## ULL)
#endif
-#ifdef HAVE_AV_CONFIG_H
-
-#ifdef USE_FASTMEMCPY
-#include "fastmemcpy.h"
-#endif
-
-#include <float.h>
-
-#endif /* HAVE_AV_CONFIG_H */
-
-/* CONFIG_OS2 end */
+#if defined(__MINGW32__) && !defined(BUILD_AVUTIL) && defined(BUILD_SHARED_AV)
+# define FF_IMPORT_ATTR __declspec(dllimport)
#else
-
-/* unix */
-
-#ifndef int64_t_C
-#define int64_t_C(c) (c ## LL)
-#define uint64_t_C(c) (c ## ULL)
+# define FF_IMPORT_ATTR
#endif
-#ifdef HAVE_AV_CONFIG_H
-
-# ifdef USE_FASTMEMCPY
-# include "fastmemcpy.h"
-# endif
-# endif /* HAVE_AV_CONFIG_H */
-
-#endif /* !CONFIG_WIN32 && !CONFIG_OS2 */
#ifdef HAVE_AV_CONFIG_H
-
-# include "bswap.h"
-
-// Use rip-relative addressing if compiling PIC code on x86-64.
-# if defined(__MINGW32__) || defined(__CYGWIN__) || \
- defined(__OS2__) || (defined (__OpenBSD__) && !defined(__ELF__))
-# if defined(ARCH_X86_64) && defined(PIC)
-# define MANGLE(a) "_" #a"(%%rip)"
-# else
-# define MANGLE(a) "_" #a
-# endif
-# else
-# if defined(ARCH_X86_64) && defined(PIC)
-# define MANGLE(a) #a"(%%rip)"
-# else
-# define MANGLE(a) #a
-# endif
-# endif
-
-/* debug stuff */
-
-# ifndef DEBUG
-# define NDEBUG
-# endif
-# include <assert.h>
-
-/* dprintf macros */
-# if defined(CONFIG_WIN32) && !defined(__MINGW32__) && !defined(__CYGWIN__)
-
-inline void dprintf(const char* fmt,...) {}
-
-# else
-
-# ifdef DEBUG
-# define dprintf(fmt,...) av_log(NULL, AV_LOG_DEBUG, fmt, __VA_ARGS__)
-# else
-# define dprintf(fmt,...)
-# endif
-
-# endif /* !CONFIG_WIN32 */
-
-# define av_abort() do { av_log(NULL, AV_LOG_ERROR, "Abort at %s:%d\n", __FILE__, __LINE__); abort(); } while (0)
+/* only include the following when compiling package */
+# include "internal.h"
+#endif
//rounded divison & shift
#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
#define FFMAX(a,b) ((a) > (b) ? (a) : (b))
#define FFMIN(a,b) ((a) > (b) ? (b) : (a))
-extern const uint32_t inverse[256];
-
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
-# define FASTDIV(a,b) \
- ({\
- int ret,dmy;\
- asm volatile(\
- "mull %3"\
- :"=d"(ret),"=a"(dmy)\
- :"1"(a),"g"(inverse[b])\
- );\
- ret;\
- })
-#elif defined(CONFIG_FASTDIV)
-# define FASTDIV(a,b) ((uint32_t)((((uint64_t)a)*inverse[b])>>32))
-#else
-# define FASTDIV(a,b) ((a)/(b))
-#endif
-
-/* define it to include statistics code (useful only for optimizing
- codec efficiency */
-//#define STATS
-
-#ifdef STATS
-
-enum {
- ST_UNKNOWN,
- ST_DC,
- ST_INTRA_AC,
- ST_INTER_AC,
- ST_INTRA_MB,
- ST_INTER_MB,
- ST_MV,
- ST_NB,
-};
-
-extern int st_current_index;
-extern unsigned int st_bit_counts[ST_NB];
-extern unsigned int st_out_bit_counts[ST_NB];
-
-void print_stats(void);
-#endif
+#define SWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
/* misc math functions */
-extern const uint8_t ff_log2_tab[256];
+extern FF_IMPORT_ATTR const uint8_t ff_log2_tab[256];
static inline int av_log2(unsigned int v)
{
#endif
}
+/**
+ * clip a signed integer value into the amin-amax range
+ * @param a value to clip
+ * @param amin minimum value of the clip range
+ * @param amax maximum value of the clip range
+ * @return cliped value
+ */
static inline int clip(int a, int amin, int amax)
{
- if (a < amin)
- return amin;
- else if (a > amax)
- return amax;
- else
- return a;
+ if (a < amin) return amin;
+ else if (a > amax) return amax;
+ else return a;
}
-static inline int clip_uint8(int a)
+/**
+ * clip a signed integer value into the 0-255 range
+ * @param a value to clip
+ * @return cliped value
+ */
+static inline uint8_t clip_uint8(int a)
{
if (a&(~255)) return (-a)>>31;
else return a;
}
/* math */
-extern const uint8_t ff_sqrt_tab[128];
-
int64_t ff_gcd(int64_t a, int64_t b);
-static inline int ff_sqrt(int a)
-{
- int ret=0;
- int s;
- int ret_sq=0;
-
- if(a<128) return ff_sqrt_tab[a];
-
- for(s=15; s>=0; s--){
- int b= ret_sq + (1<<(s*2)) + (ret<<s)*2;
- if(b<=a){
- ret_sq=b;
- ret+= 1<<s;
- }
- }
- return ret;
-}
-
/**
* converts fourcc string to int
*/
static inline int ff_get_fourcc(const char *s){
+#ifdef HAVE_AV_CONFIG_H
assert( strlen(s)==4 );
+#endif
return (s[0]) + (s[1]<<8) + (s[2]<<16) + (s[3]<<24);
}
#define MKBETAG(a,b,c,d) (d | (c << 8) | (b << 16) | (a << 24))
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
-#define MASK_ABS(mask, level)\
- asm volatile(\
- "cdq \n\t"\
- "xorl %1, %0 \n\t"\
- "subl %1, %0 \n\t"\
- : "+a" (level), "=&d" (mask)\
- );
-#else
-#define MASK_ABS(mask, level)\
- mask= level>>31;\
- level= (level^mask)-mask;
-#endif
-
-
-#if __CPU__ >= 686 && !defined(RUNTIME_CPUDETECT)
-#define COPY3_IF_LT(x,y,a,b,c,d)\
-asm volatile (\
- "cmpl %0, %3 \n\t"\
- "cmovl %3, %0 \n\t"\
- "cmovl %4, %1 \n\t"\
- "cmovl %5, %2 \n\t"\
- : "+r" (x), "+r" (a), "+r" (c)\
- : "r" (y), "r" (b), "r" (d)\
-);
-#else
-#define COPY3_IF_LT(x,y,a,b,c,d)\
-if((y)<(x)){\
- (x)=(y);\
- (a)=(b);\
- (c)=(d);\
-}
-#endif
+#define GET_UTF8(val, GET_BYTE, ERROR)\
+ val= GET_BYTE;\
+ {\
+ int ones= 7 - av_log2(val ^ 255);\
+ if(ones==1)\
+ ERROR\
+ val&= 127>>ones;\
+ while(--ones > 0){\
+ int tmp= GET_BYTE - 128;\
+ if(tmp>>6)\
+ ERROR\
+ val= (val<<6) + tmp;\
+ }\
+ }
#if defined(ARCH_X86) || defined(ARCH_X86_64) || defined(ARCH_POWERPC)
#if defined(ARCH_X86_64)
static inline uint64_t read_time(void)
{
- uint64_t a, d;
- asm volatile( "rdtsc\n\t"
- : "=a" (a), "=d" (d)
- );
- return (d << 32) | (a & 0xffffffff);
+ uint64_t a, d;
+ asm volatile( "rdtsc\n\t"
+ : "=a" (a), "=d" (d)
+ );
+ return (d << 32) | (a & 0xffffffff);
}
#elif defined(ARCH_X86)
static inline long long read_time(void)
{
- long long l;
- asm volatile( "rdtsc\n\t"
- : "=A" (l)
- );
- return l;
+ long long l;
+ asm volatile( "rdtsc\n\t"
+ : "=A" (l)
+ );
+ return l;
}
#else //FIXME check ppc64
static inline uint64_t read_time(void)
}else\
tskip_count++;\
if(256*256*256*64%(tcount+tskip_count)==0){\
- av_log(NULL, AV_LOG_DEBUG, "%Ld dezicycles in %s, %d runs, %d skips\n", tsum*10/tcount, id, tcount, tskip_count);\
+ av_log(NULL, AV_LOG_DEBUG, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n", tsum*10/tcount, id, tcount, tskip_count);\
}\
}
#else
-#define START_TIMER
+#define START_TIMER
#define STOP_TIMER(id) {}
#endif
-/* avoid usage of various functions */
-#define malloc please_use_av_malloc
-#define free please_use_av_free
-#define realloc please_use_av_realloc
-#define time time_is_forbidden_due_to_security_issues
-#define rand rand_is_forbidden_due_to_state_trashing
-#define srand srand_is_forbidden_due_to_state_trashing
-#define sprintf sprintf_is_forbidden_due_to_security_issues_use_snprintf
-#define strcat strcat_is_forbidden_due_to_security_issues_use_pstrcat
-#if !(defined(LIBAVFORMAT_BUILD) || defined(_FRAMEHOOK_H))
-#define printf please_use_av_log
-#define fprintf please_use_av_log
-#endif
-
-#define CHECKED_ALLOCZ(p, size)\
-{\
- p= av_mallocz(size);\
- if(p==NULL && (size)!=0){\
- perror("malloc");\
- goto fail;\
- }\
-}
-
-#endif /* HAVE_AV_CONFIG_H */
+/* memory */
+void *av_malloc(unsigned int size);
+void *av_realloc(void *ptr, unsigned int size);
+void av_free(void *ptr);
#endif /* COMMON_H */
projects / ffmpeg / blobdiff