libavutil: Utility code from libavcodec moved to a separate library.

Originally committed as revision 4489 to svn://svn.ffmpeg.org/ffmpeg/trunk

11 files changed, 13 insertions, 1279 deletions

diff --git a/libavcodec/Makefile b/libavcodec/Makefile
index 086c28b9eb..05d2955797 100644
--- a/libavcodec/Makefile
+++ b/libavcodec/Makefile
@@ -7,7 +7,7 @@ include ../config.mak
 VPATH=$(SRC_PATH)/libavcodec
 
 # NOTE: -I.. is needed to include config.h
-CFLAGS=$(OPTFLAGS) -DHAVE_AV_CONFIG_H -I.. -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE $(AMR_CFLAGS)
+CFLAGS=$(OPTFLAGS) -DHAVE_AV_CONFIG_H -I.. -I$(SRC_PATH)/libavutil -D_FILE_OFFSET_BITS=64 -D_LARGEFILE_SOURCE -D_GNU_SOURCE $(AMR_CFLAGS)
 
 OBJS= bitstream.o utils.o mem.o allcodecs.o \
       mpegvideo.o jrevdct.o jfdctfst.o jfdctint.o\
@@ -16,8 +16,8 @@ OBJS= bitstream.o utils.o mem.o allcodecs.o \
       mpeg12.o mpegaudiodec.o pcm.o simple_idct.o \
       ratecontrol.o adpcm.o eval.o error_resilience.o \
       fft.o mdct.o raw.o golomb.o cabac.o\
-      dpcm.o adx.o rational.o faandct.o parser.o g726.o \
-      vp3dsp.o integer.o h264idct.o rangecoder.o pnm.o h263.o msmpeg4.o h263dec.o dvdsub.o dvbsub.o dvbsubdec.o
+      dpcm.o adx.o faandct.o parser.o g726.o \
+      vp3dsp.o h264idct.o rangecoder.o pnm.o h263.o msmpeg4.o h263dec.o dvdsub.o dvbsub.o dvbsubdec.o
 
 ifeq ($(CONFIG_AASC_DECODER),yes)
     OBJS+= aasc.o
@@ -234,6 +234,8 @@ OBJS+= liba52/bit_allocate.o liba52/bitstream.o liba52/downmix.o \
 endif
 endif
 
+EXTRALIBS += -L$(SRC_PATH)/libavutil -lavutil$(BUILDSUF)
+
 # currently using libdts for dts decoding
 ifeq ($(CONFIG_DTS),yes)
 OBJS+= dtsdec.o
@@ -375,6 +377,7 @@ SRCS := $(OBJS:.o=.c) $(ASM_OBJS:.o=.S)
 OBJS := $(OBJS) $(ASM_OBJS)
 
 LIB= $(LIBPREF)avcodec$(LIBSUF)
+LIBAVUTIL= $(SRC_PATH)/libavutil/$(LIBPREF)avutil$(LIBSUF)
 ifeq ($(BUILD_SHARED),yes)
 SLIB= $(SLIBPREF)avcodec$(SLIBSUF)
 endif
@@ -446,7 +449,7 @@ cleanamrwbfloat:
 
 # api example program
 apiexample: apiexample.c $(LIB)
-	$(CC) $(CFLAGS) -o $@ $< $(LIB) $(EXTRALIBS) -lm
+	$(CC) $(CFLAGS) -o $@ $< $(LIB) $(LIBAVUTIL) $(EXTRALIBS) -lm
 
 # cpuid test
 cpuid_test: i386/cputest.c
@@ -464,7 +467,7 @@ motion-test: motion_test.o $(LIB)
 	$(CC) -o $@ $^ -lm
 
 fft-test: fft-test.o $(LIB)
-	$(CC) -o $@ $^ -lm
+	$(CC) -o $@ $^ $(LIBAVUTIL) -lm
 
 ifeq ($(BUILD_SHARED),yes)
 install: all install-headers
@@ -489,8 +492,6 @@ installlib: all install-headers
 install-headers:
 	mkdir -p "$(prefix)/include/ffmpeg"
 	install -m 644 $(SRC_PATH)/libavcodec/avcodec.h \
-	               $(SRC_PATH)/libavcodec/common.h \
-	               $(SRC_PATH)/libavcodec/rational.h \
                 "$(prefix)/include/ffmpeg"
 	install -d $(libdir)/pkgconfig
 	install -m 644 ../libavcodec.pc $(libdir)/pkgconfig
diff --git a/libavcodec/avcodec.h b/libavcodec/avcodec.h
index bccfe6774c..d3ed1a7dea 100644
--- a/libavcodec/avcodec.h
+++ b/libavcodec/avcodec.h
@@ -11,8 +11,7 @@
 extern "C" {
 #endif
 
-#include "common.h"
-#include "rational.h"
+#include "avutil.h"
 #include <sys/types.h> /* size_t */
 
 //FIXME the following 2 really dont belong in here
@@ -22,8 +21,8 @@ extern "C" {
 #define AV_STRINGIFY(s)	AV_TOSTRING(s)
 #define AV_TOSTRING(s) #s
 
-#define LIBAVCODEC_VERSION_INT ((49<<16)+(0<<8)+0)
-#define LIBAVCODEC_VERSION     49.0.0
+#define LIBAVCODEC_VERSION_INT ((49<<16)+(0<<8)+1)
+#define LIBAVCODEC_VERSION     49.0.1
 #define LIBAVCODEC_BUILD       LIBAVCODEC_VERSION_INT
 
 #define LIBAVCODEC_IDENT       "Lavc" AV_STRINGIFY(LIBAVCODEC_VERSION)
@@ -279,14 +278,6 @@ enum Motion_Est_ID {
     ME_X1
 };
 
-enum AVRounding {
-    AV_ROUND_ZERO     = 0, ///< round toward zero
-    AV_ROUND_INF      = 1, ///< round away from zero
-    AV_ROUND_DOWN     = 2, ///< round toward -infinity
-    AV_ROUND_UP       = 3, ///< round toward +infinity
-    AV_ROUND_NEAR_INF = 5, ///< round to nearest and halfway cases away from zero
-};
-
 enum AVDiscard{
 //we leave some space between them for extensions (drop some keyframes for intra only or drop just some bidir frames)
     AVDISCARD_NONE   =-16, ///< discard nothing
@@ -2308,36 +2299,6 @@ void avcodec_default_free_buffers(AVCodecContext *s);
  */
 char av_get_pict_type_char(int pict_type);
 
-/**
- * reduce a fraction.
- * this is usefull for framerate calculations
- * @param max the maximum allowed for dst_nom & dst_den
- * @return 1 if exact, 0 otherwise
- */
-int av_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max);
-
-/**
- * rescale a 64bit integer with rounding to nearest.
- * a simple a*b/c isn't possible as it can overflow
- */
-int64_t av_rescale(int64_t a, int64_t b, int64_t c);
-
-/**
- * rescale a 64bit integer with specified rounding.
- * a simple a*b/c isn't possible as it can overflow
- */
-int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding);
-
-/**
- * rescale a 64bit integer by 2 rational numbers.
- */
-int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq);
-
-double av_int2dbl(int64_t v);
-float av_int2flt(int32_t v);
-int64_t av_dbl2int(double d);
-int32_t av_flt2int(float d);
-
 
 /* frame parsing */
 typedef struct AVCodecParserContext {
diff --git a/libavcodec/bswap.h b/libavcodec/bswap.h
deleted file mode 100644
index 50fd571787..0000000000
--- a/libavcodec/bswap.h
+++ /dev/null
@@ -1,155 +0,0 @@
-/**
- * @file bswap.h
- * byte swap.
- */
-
-#ifndef __BSWAP_H__
-#define __BSWAP_H__
-
-#ifdef HAVE_BYTESWAP_H
-#include <byteswap.h>
-#else
-
-#ifdef ARCH_X86_64
-#  define LEGACY_REGS "=Q"
-#else
-#  define LEGACY_REGS "=q"
-#endif
-
-#if defined(ARCH_X86) || defined(ARCH_X86_64)
-static always_inline uint16_t bswap_16(uint16_t x)
-{
-  __asm("rorw $8, %0"	:
-        LEGACY_REGS (x)	:
-        "0" (x));
-    return x;
-}
-
-static always_inline uint32_t bswap_32(uint32_t x)
-{
-#if __CPU__ > 386
- __asm("bswap	%0":
-      "=r" (x)     :
-#else
- __asm("xchgb	%b0,%h0\n"
-      "	rorl	$16,%0\n"
-      "	xchgb	%b0,%h0":
-      LEGACY_REGS (x)		:
-#endif
-      "0" (x));
-  return x;
-}
-
-static inline uint64_t bswap_64(uint64_t x)
-{
-#ifdef ARCH_X86_64
-  __asm("bswap	%0":
-        "=r" (x)     :
-        "0" (x));
-  return x;
-#else
-    union { 
-        uint64_t ll;
-        struct {
-           uint32_t l,h;
-        } l;
-    } r;
-    r.l.l = bswap_32 (x);
-    r.l.h = bswap_32 (x>>32);
-    return r.ll;
-#endif
-}
-
-#elif defined(ARCH_SH4)
-
-static always_inline uint16_t bswap_16(uint16_t x) {
-	__asm__("swap.b %0,%0":"=r"(x):"0"(x));
-	return x;
-}
-
-static always_inline uint32_t bswap_32(uint32_t x) {
-	__asm__(
-	"swap.b %0,%0\n"
-	"swap.w %0,%0\n"
-	"swap.b %0,%0\n"
-	:"=r"(x):"0"(x));
-	return x;
-}
-
-static inline uint64_t bswap_64(uint64_t x)
-{
-    union { 
-        uint64_t ll;
-        struct {
-           uint32_t l,h;
-        } l;
-    } r;
-    r.l.l = bswap_32 (x);
-    r.l.h = bswap_32 (x>>32);
-    return r.ll;
-}
-#else
-
-static always_inline uint16_t bswap_16(uint16_t x){
-    return (x>>8) | (x<<8);
-}
-
-#ifdef ARCH_ARM
-static always_inline uint32_t bswap_32(uint32_t x){
-    uint32_t t;
-    __asm__ (
-      "eor %1, %0, %0, ror #16 \n\t"
-      "bic %1, %1, #0xFF0000   \n\t"
-      "mov %0, %0, ror #8      \n\t"
-      "eor %0, %0, %1, lsr #8  \n\t"
-      : "+r"(x), "+r"(t));
-    return x;
-}
-#else
-static always_inline uint32_t bswap_32(uint32_t x){
-    x= ((x<<8)&0xFF00FF00) | ((x>>8)&0x00FF00FF);
-    return (x>>16) | (x<<16);
-}
-#endif
-
-static inline uint64_t bswap_64(uint64_t x)
-{
-#if 0
-    x= ((x<< 8)&0xFF00FF00FF00FF00ULL) | ((x>> 8)&0x00FF00FF00FF00FFULL);
-    x= ((x<<16)&0xFFFF0000FFFF0000ULL) | ((x>>16)&0x0000FFFF0000FFFFULL);
-    return (x>>32) | (x<<32);
-#else
-    union { 
-        uint64_t ll;
-        uint32_t l[2]; 
-    } w, r;
-    w.ll = x;
-    r.l[0] = bswap_32 (w.l[1]);
-    r.l[1] = bswap_32 (w.l[0]);
-    return r.ll;
-#endif
-}
-#endif	/* !ARCH_X86 */
-
-#endif	/* !HAVE_BYTESWAP_H */
-
-// be2me ... BigEndian to MachineEndian
-// le2me ... LittleEndian to MachineEndian
-
-#ifdef WORDS_BIGENDIAN
-#define be2me_16(x) (x)
-#define be2me_32(x) (x)
-#define be2me_64(x) (x)
-#define le2me_16(x) bswap_16(x)
-#define le2me_32(x) bswap_32(x)
-#define le2me_64(x) bswap_64(x)
-#else
-#define be2me_16(x) bswap_16(x)
-#define be2me_32(x) bswap_32(x)
-#define be2me_64(x) bswap_64(x)
-#define le2me_16(x) (x)
-#define le2me_32(x) (x)
-#define le2me_64(x) (x)
-#endif
-
-#endif /* __BSWAP_H__ */
diff --git a/libavcodec/common.h b/libavcodec/common.h
deleted file mode 100644
index 7d5edb4a7d..0000000000
--- a/libavcodec/common.h
+++ /dev/null
@@ -1,548 +0,0 @@
-/**
- * @file common.h
- * common internal 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
-
-#ifdef HAVE_AV_CONFIG_H
-/* only include the following when compiling package */
-#    include "config.h"
-
-#    include <stdlib.h>
-#    include <stdio.h>
-#    include <string.h>
-#    include <ctype.h>
-#    include <limits.h>
-#    ifndef __BEOS__
-#        include <errno.h>
-#    else
-#        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.  */
-#ifndef restrict
-#    define restrict
-#endif
-
-#ifndef always_inline
-#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
-#    define always_inline __attribute__((always_inline)) inline
-#else
-#    define always_inline inline
-#endif
-#endif
-
-#ifndef attribute_used
-#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
-#    define attribute_used __attribute__((used))
-#else
-#    define attribute_used
-#endif
-#endif
-
-#ifndef attribute_unused
-#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0)
-#    define attribute_unused __attribute__((unused))
-#else
-#    define attribute_unused
-#endif
-#endif
-
-#ifndef EMULATE_INTTYPES
-#   include <inttypes.h>
-#else
-    typedef signed char  int8_t;
-    typedef signed short int16_t;
-    typedef signed int   int32_t;
-    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 */
-#endif /* HAVE_INTTYPES_H */
-
-#ifndef INT16_MIN
-#define INT16_MIN       (-0x7fff-1)
-#endif
-
-#ifndef INT16_MAX
-#define INT16_MAX       0x7fff
-#endif
-
-#ifndef INT64_MIN
-#define INT64_MIN       (-0x7fffffffffffffffLL-1)
-#endif
-
-#ifndef INT64_MAX
-#define INT64_MAX int64_t_C(9223372036854775807)
-#endif
-
-#ifndef UINT64_MAX
-#define UINT64_MAX uint64_t_C(0xFFFFFFFFFFFFFFFF)
-#endif
-
-#ifdef EMULATE_FAST_INT
-typedef signed char int_fast8_t;
-typedef signed int  int_fast16_t;
-typedef signed int  int_fast32_t;
-typedef unsigned char uint_fast8_t;
-typedef unsigned int  uint_fast16_t;
-typedef unsigned int  uint_fast32_t;
-typedef uint64_t      uint_fast64_t;
-#endif
-
-#ifndef INT_BIT
-#    if INT_MAX != 2147483647
-#        define INT_BIT 64
-#    else
-#        define INT_BIT 32
-#    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 */
-#else
-
-/* unix */
-
-#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
-#    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)
-
-//rounded divison & shift
-#define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
-/* assume b>0 */
-#define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
-#define ABS(a) ((a) >= 0 ? (a) : (-(a)))
-
-#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
-
-/* misc math functions */
-extern const uint8_t ff_log2_tab[256];
-
-static inline int av_log2(unsigned int v)
-{
-    int n;
-
-    n = 0;
-    if (v & 0xffff0000) {
-        v >>= 16;
-        n += 16;
-    }
-    if (v & 0xff00) {
-        v >>= 8;
-        n += 8;
-    }
-    n += ff_log2_tab[v];
-
-    return n;
-}
-
-static inline int av_log2_16bit(unsigned int v)
-{
-    int n;
-
-    n = 0;
-    if (v & 0xff00) {
-        v >>= 8;
-        n += 8;
-    }
-    n += ff_log2_tab[v];
-
-    return n;
-}
-
-/* median of 3 */
-static inline int mid_pred(int a, int b, int c)
-{
-#if 0
-    int t= (a-b)&((a-b)>>31);
-    a-=t;
-    b+=t;
-    b-= (b-c)&((b-c)>>31);
-    b+= (a-b)&((a-b)>>31);
-
-    return b;
-#else
-    if(a>b){
-        if(c>b){
-            if(c>a) b=a;
-            else    b=c;
-        }
-    }else{
-        if(b>c){
-            if(c>a) b=c;
-            else    b=a;
-        }
-    }
-    return b;
-#endif
-}
-
-static inline int clip(int a, int amin, int amax)
-{
-    if (a < amin)
-        return amin;
-    else if (a > amax)
-        return amax;
-    else
-        return a;
-}
-
-static inline int 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){
-    assert( strlen(s)==4 );
-
-    return (s[0]) + (s[1]<<8) + (s[2]<<16) + (s[3]<<24);
-}
-
-#define MKTAG(a,b,c,d) (a | (b << 8) | (c << 16) | (d << 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
-
-#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);
-}
-#elif defined(ARCH_X86)
-static inline long long read_time(void)
-{
-	long long l;
-	asm volatile(	"rdtsc\n\t"
-		: "=A" (l)
-	);
-	return l;
-}
-#else //FIXME check ppc64
-static inline uint64_t read_time(void)
-{
-    uint32_t tbu, tbl, temp;
-
-     /* from section 2.2.1 of the 32-bit PowerPC PEM */
-     __asm__ __volatile__(
-         "1:\n"
-         "mftbu  %2\n"
-         "mftb   %0\n"
-         "mftbu  %1\n"
-         "cmpw   %2,%1\n"
-         "bne    1b\n"
-     : "=r"(tbl), "=r"(tbu), "=r"(temp)
-     :
-     : "cc");
-
-     return (((uint64_t)tbu)<<32) | (uint64_t)tbl;
-}
-#endif
-
-#define START_TIMER \
-uint64_t tend;\
-uint64_t tstart= read_time();\
-
-#define STOP_TIMER(id) \
-tend= read_time();\
-{\
-  static uint64_t tsum=0;\
-  static int tcount=0;\
-  static int tskip_count=0;\
-  if(tcount<2 || tend - tstart < 8*tsum/tcount){\
-      tsum+= tend - tstart;\
-      tcount++;\
-  }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);\
-  }\
-}
-#else
-#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 */
-
-#endif /* COMMON_H */
diff --git a/libavcodec/i386/fdct_mmx.c b/libavcodec/i386/fdct_mmx.c
index aacbe57437..6a13090a13 100644
--- a/libavcodec/i386/fdct_mmx.c
+++ b/libavcodec/i386/fdct_mmx.c
@@ -13,7 +13,7 @@
  * a page about fdct at http://www.geocities.com/ssavekar/dct.htm
  * Skal's fdct at http://skal.planet-d.net/coding/dct.html
  */
-#include "../common.h"
+#include "common.h"
 #include "../dsputil.h"
 #include "mmx.h"
 
diff --git a/libavcodec/i386/idct_mmx.c b/libavcodec/i386/idct_mmx.c
index d9586efc5d..355feaccdd 100644
--- a/libavcodec/i386/idct_mmx.c
+++ b/libavcodec/i386/idct_mmx.c
@@ -22,7 +22,7 @@
  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  */
 
-#include "../common.h"
+#include "common.h"
 #include "../dsputil.h"
 
 #include "mmx.h"
diff --git a/libavcodec/integer.c b/libavcodec/integer.c
deleted file mode 100644
index 38a826f861..0000000000
--- a/libavcodec/integer.c
+++ /dev/null
@@ -1,221 +0,0 @@
-/*
- * arbitrary precision integers
- * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
- 
-/**
- * @file integer.c
- * arbitrary precision integers.
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
-
-#include "common.h"
-#include "integer.h"
-
-AVInteger av_add_i(AVInteger a, AVInteger b){
-    int i, carry=0;
-    
-    for(i=0; i<AV_INTEGER_SIZE; i++){
-        carry= (carry>>16) + a.v[i] + b.v[i];
-        a.v[i]= carry;
-    }
-    return a;
-}
-
-AVInteger av_sub_i(AVInteger a, AVInteger b){
-    int i, carry=0;
-    
-    for(i=0; i<AV_INTEGER_SIZE; i++){
-        carry= (carry>>16) + a.v[i] - b.v[i];
-        a.v[i]= carry;
-    }
-    return a;
-}
-
-/**
- * returns the rounded down value of the logarithm of base 2 of the given AVInteger.
- * this is simply the index of the most significant bit which is 1. Or 0 of all bits are 0
- */
-int av_log2_i(AVInteger a){
-    int i;
-
-    for(i=AV_INTEGER_SIZE-1; i>=0; i--){
-        if(a.v[i])
-            return av_log2_16bit(a.v[i]) + 16*i;
-    }
-    return -1;
-}
-
-AVInteger av_mul_i(AVInteger a, AVInteger b){
-    AVInteger out;
-    int i, j;
-    int na= (av_log2_i(a)+16) >> 4;
-    int nb= (av_log2_i(b)+16) >> 4;
-    
-    memset(&out, 0, sizeof(out));
-    
-    for(i=0; i<na; i++){
-        unsigned int carry=0;
-        
-        if(a.v[i])
-            for(j=i; j<AV_INTEGER_SIZE && j-i<=nb; j++){
-                carry= (carry>>16) + out.v[j] + a.v[i]*b.v[j-i];
-                out.v[j]= carry;
-            }
-    }
-
-    return out;
-}
-
-/**
- * returns 0 if a==b, 1 if a>b and -1 if a<b.
- */
-int av_cmp_i(AVInteger a, AVInteger b){
-    int i; 
-    int v= (int16_t)a.v[AV_INTEGER_SIZE-1] - (int16_t)b.v[AV_INTEGER_SIZE-1];
-    if(v) return (v>>16)|1;
-    
-    for(i=AV_INTEGER_SIZE-2; i>=0; i--){
-        int v= a.v[i] - b.v[i];
-        if(v) return (v>>16)|1;
-    }
-    return 0;
-}
-
-/**
- * bitwise shift.
- * @param s the number of bits by which the value should be shifted right, may be negative for shifting left
- */
-AVInteger av_shr_i(AVInteger a, int s){
-    AVInteger out;
-    int i;
-
-    for(i=0; i<AV_INTEGER_SIZE; i++){
-        int index= i + (s>>4);
-        unsigned int v=0;
-        if(index+1<AV_INTEGER_SIZE && index+1>=0) v = a.v[index+1]<<16;
-        if(index  <AV_INTEGER_SIZE && index  >=0) v+= a.v[index  ];
-        out.v[i]= v >> (s&15);
-    }
-    return out;
-}
-
-/**
- * returns a % b.
- * @param quot a/b will be stored here
- */
-AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b){
-    int i= av_log2_i(a) - av_log2_i(b);
-    AVInteger quot_temp;
-    if(!quot) quot = &quot_temp;
-    
-    assert((int16_t)a[AV_INTEGER_SIZE-1] >= 0 && (int16_t)b[AV_INTEGER_SIZE-1] >= 0);
-    assert(av_log2(b)>=0);
-    
-    if(i > 0)
-        b= av_shr_i(b, -i);
-        
-    memset(quot, 0, sizeof(AVInteger));
-
-    while(i-- >= 0){
-        *quot= av_shr_i(*quot, -1);
-        if(av_cmp_i(a, b) >= 0){
-            a= av_sub_i(a, b);
-            quot->v[0] += 1;
-        }
-        b= av_shr_i(b, 1);
-    }
-    return a;
-}
-
-/**
- * returns a/b.
- */
-AVInteger av_div_i(AVInteger a, AVInteger b){
-    AVInteger quot;
-    av_mod_i(&quot, a, b);
-    return quot;
-}
-
-/**
- * converts the given int64_t to an AVInteger.
- */
-AVInteger av_int2i(int64_t a){
-    AVInteger out;
-    int i;
-    
-    for(i=0; i<AV_INTEGER_SIZE; i++){
-        out.v[i]= a;
-        a>>=16;
-    }
-    return out;
-}
-
-/**
- * converts the given AVInteger to an int64_t.
- * if the AVInteger is too large to fit into an int64_t, 
- * then only the least significant 64bit will be used
- */
-int64_t av_i2int(AVInteger a){
-    int i;
-    int64_t out=(int8_t)a.v[AV_INTEGER_SIZE-1];
-    
-    for(i= AV_INTEGER_SIZE-2; i>=0; i--){
-        out = (out<<16) + a.v[i];
-    }
-    return out;
-}
-
-#if 0
-#undef NDEBUG
-#include <assert.h>
-
-const uint8_t ff_log2_tab[256]={
-        0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
-        5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
-        6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-        6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
-};
-
-main(){
-    int64_t a,b;
-
-    for(a=7; a<256*256*256; a+=13215){
-        for(b=3; b<256*256*256; b+=27118){
-            AVInteger ai= av_int2i(a);
-            AVInteger bi= av_int2i(b);
-            
-            assert(av_i2int(ai) == a);
-            assert(av_i2int(bi) == b);
-            assert(av_i2int(av_add_i(ai,bi)) == a+b);
-            assert(av_i2int(av_sub_i(ai,bi)) == a-b);
-            assert(av_i2int(av_mul_i(ai,bi)) == a*b);
-            assert(av_i2int(av_shr_i(ai, 9)) == a>>9);
-            assert(av_i2int(av_shr_i(ai,-9)) == a<<9);
-            assert(av_i2int(av_shr_i(ai, 17)) == a>>17);
-            assert(av_i2int(av_shr_i(ai,-17)) == a<<17);
-            assert(av_log2_i(ai) == av_log2(a));
-            assert(av_i2int(av_div_i(ai,bi)) == a/b);
-        }
-    }
-}
-#endif
diff --git a/libavcodec/integer.h b/libavcodec/integer.h
deleted file mode 100644
index ef1b2a089e..0000000000
--- a/libavcodec/integer.h
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * arbitrary precision integers
- * Copyright (c) 2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
- 
-/**
- * @file integer.h
- * arbitrary precision integers
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
- 
-#ifndef INTEGER_H
-#define INTEGER_H
-
-#define AV_INTEGER_SIZE 8
-
-typedef struct AVInteger{
-    uint16_t v[AV_INTEGER_SIZE]; 
-} AVInteger;
-
-AVInteger av_add_i(AVInteger a, AVInteger b);
-AVInteger av_sub_i(AVInteger a, AVInteger b);
-int av_log2_i(AVInteger a);
-AVInteger av_mul_i(AVInteger a, AVInteger b);
-int av_cmp_i(AVInteger a, AVInteger b);
-AVInteger av_shr_i(AVInteger a, int s);
-AVInteger av_mod_i(AVInteger *quot, AVInteger a, AVInteger b);
-AVInteger av_div_i(AVInteger a, AVInteger b);
-AVInteger av_int2i(int64_t a);
-int64_t av_i2int(AVInteger a);
-
-#endif // INTEGER_H
diff --git a/libavcodec/rational.c b/libavcodec/rational.c
deleted file mode 100644
index 7ccad9e383..0000000000
--- a/libavcodec/rational.c
+++ /dev/null
@@ -1,77 +0,0 @@
-/*
- * Rational numbers
- * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
- 
-/**
- * @file rational.c
- * Rational numbers
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
-
-//#include <math.h>
-#include <limits.h>
- 
-#include "common.h"
-#include "avcodec.h"
-#include "rational.h"
-
-/**
- * returns b*c.
- */
-AVRational av_mul_q(AVRational b, AVRational c){
-    av_reduce(&b.num, &b.den, b.num * (int64_t)c.num, b.den * (int64_t)c.den, INT_MAX);
-    return b;
-}
-
-/**
- * returns b/c.
- */
-AVRational av_div_q(AVRational b, AVRational c){
-    av_reduce(&b.num, &b.den, b.num * (int64_t)c.den, b.den * (int64_t)c.num, INT_MAX);
-    return b;
-}
-
-/**
- * returns b+c.
- */
-AVRational av_add_q(AVRational b, AVRational c){
-    av_reduce(&b.num, &b.den, b.num * (int64_t)c.den + c.num * (int64_t)b.den, b.den * (int64_t)c.den, INT_MAX);
-    return b;
-}
-
-/**
- * returns b-c.
- */
-AVRational av_sub_q(AVRational b, AVRational c){
-    av_reduce(&b.num, &b.den, b.num * (int64_t)c.den - c.num * (int64_t)b.den, b.den * (int64_t)c.den, INT_MAX);
-    return b;
-}
-
-/**
- * Converts a double precission floating point number to a AVRational.
- * @param max the maximum allowed numerator and denominator
- */
-AVRational av_d2q(double d, int max){
-    AVRational a;
-    int exponent= FFMAX( (int)(log(ABS(d) + 1e-20)/log(2)), 0);
-    int64_t den= 1LL << (61 - exponent);
-    av_reduce(&a.num, &a.den, (int64_t)(d * den + 0.5), den, max);
-
-    return a;
-}
diff --git a/libavcodec/rational.h b/libavcodec/rational.h
deleted file mode 100644
index fcda759c4c..0000000000
--- a/libavcodec/rational.h
+++ /dev/null
@@ -1,61 +0,0 @@
-/*
- * Rational numbers
- * Copyright (c) 2003 Michael Niedermayer <michaelni@gmx.at>
- *
- * This library is free software; you can redistribute it and/or
- * modify it under the terms of the GNU Lesser General Public
- * License as published by the Free Software Foundation; either
- * version 2 of the License, or (at your option) any later version.
- *
- * This library is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
- * Lesser General Public License for more details.
- *
- * You should have received a copy of the GNU Lesser General Public
- * License along with this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- *
- */
- 
-/**
- * @file rational.h
- * Rational numbers.
- * @author Michael Niedermayer <michaelni@gmx.at>
- */
-
-#ifndef RATIONAL_H
-#define RATIONAL_H
-
-/**
- * Rational number num/den.
- */
-typedef struct AVRational{
-    int num; ///< numerator
-    int den; ///< denominator
-} AVRational;
-
-/**
- * returns 0 if a==b, 1 if a>b and -1 if a<b.
- */
-static inline int av_cmp_q(AVRational a, AVRational b){
-    const int64_t tmp= a.num * (int64_t)b.den - b.num * (int64_t)a.den;
-
-    if(tmp) return (tmp>>63)|1;
-    else    return 0;
-}
-
-/**
- * converts the given AVRational to a double.
- */
-static inline double av_q2d(AVRational a){
-    return a.num / (double) a.den;
-}
-
-AVRational av_mul_q(AVRational b, AVRational c);
-AVRational av_div_q(AVRational b, AVRational c);
-AVRational av_add_q(AVRational b, AVRational c);
-AVRational av_sub_q(AVRational b, AVRational c);
-AVRational av_d2q(double d, int max);
-
-#endif // RATIONAL_H
diff --git a/libavcodec/utils.c b/libavcodec/utils.c
index 2d3adedc3f..1b2cd21645 100644
--- a/libavcodec/utils.c
+++ b/libavcodec/utils.c
@@ -31,24 +31,6 @@
 #include <stdarg.h>
 #include <limits.h>
 
-const uint8_t ff_sqrt_tab[128]={
-        0, 1, 1, 1, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5,
-        5, 5, 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
-        8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9,
-        9, 9, 9, 9,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,10,11,11,11,11,11,11,11
-};
-
-const uint8_t ff_log2_tab[256]={
-        0,0,1,1,2,2,2,2,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,
-        5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,5,
-        6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-        6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,6,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,
-        7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7,7
-};
-
 const uint8_t ff_reverse[256]={
 0x00,0x80,0x40,0xC0,0x20,0xA0,0x60,0xE0,0x10,0x90,0x50,0xD0,0x30,0xB0,0x70,0xF0,
 0x08,0x88,0x48,0xC8,0x28,0xA8,0x68,0xE8,0x18,0x98,0x58,0xD8,0x38,0xB8,0x78,0xF8,
@@ -938,107 +920,6 @@ char av_get_pict_type_char(int pict_type){
     }
 }
 
-int av_reduce(int *dst_nom, int *dst_den, int64_t nom, int64_t den, int64_t max){
-    AVRational a0={0,1}, a1={1,0};
-    int sign= (nom<0) ^ (den<0);
-    int64_t gcd= ff_gcd(ABS(nom), ABS(den));
-
-    nom = ABS(nom)/gcd;
-    den = ABS(den)/gcd;
-    if(nom<=max && den<=max){
-        a1= (AVRational){nom, den};
-        den=0;
-    }
-    
-    while(den){
-        int64_t x       = nom / den;
-        int64_t next_den= nom - den*x;
-        int64_t a2n= x*a1.num + a0.num;
-        int64_t a2d= x*a1.den + a0.den;
-
-        if(a2n > max || a2d > max) break;
-
-        a0= a1;
-        a1= (AVRational){a2n, a2d};
-        nom= den;
-        den= next_den;
-    }
-    assert(ff_gcd(a1.num, a1.den) == 1);
-    
-    *dst_nom = sign ? -a1.num : a1.num;
-    *dst_den = a1.den;
-    
-    return den==0;
-}
-
-int64_t av_rescale_rnd(int64_t a, int64_t b, int64_t c, enum AVRounding rnd){
-    AVInteger ai;
-    int64_t r=0;
-    assert(c > 0);
-    assert(b >=0);
-    assert(rnd >=0 && rnd<=5 && rnd!=4);
-    
-    if(a<0 && a != INT64_MIN) return -av_rescale_rnd(-a, b, c, rnd ^ ((rnd>>1)&1)); 
-    
-    if(rnd==AV_ROUND_NEAR_INF) r= c/2;
-    else if(rnd&1)             r= c-1;
-
-    if(b<=INT_MAX && c<=INT_MAX){
-        if(a<=INT_MAX)
-            return (a * b + r)/c;
-        else
-            return a/c*b + (a%c*b + r)/c;
-    }
-    
-    ai= av_mul_i(av_int2i(a), av_int2i(b));
-    ai= av_add_i(ai, av_int2i(r));
-    
-    return av_i2int(av_div_i(ai, av_int2i(c)));
-}
-
-int64_t av_rescale(int64_t a, int64_t b, int64_t c){
-    return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
-}
-
-int64_t av_rescale_q(int64_t a, AVRational bq, AVRational cq){
-    int64_t b= bq.num * (int64_t)cq.den;
-    int64_t c= cq.num * (int64_t)bq.den;
-    return av_rescale_rnd(a, b, c, AV_ROUND_NEAR_INF);
-}
-
-int64_t ff_gcd(int64_t a, int64_t b){
-    if(b) return ff_gcd(b, a%b);
-    else  return a;
-}
-
-double av_int2dbl(int64_t v){
-    if(v+v > 0xFFELLU<<52)
-        return 0.0/0.0;
-    return ldexp(((v&(1LL<<52)-1) + (1LL<<52)) * (v>>63|1), (v>>52&0x7FF)-1075);
-}
-
-float av_int2flt(int32_t v){
-    if(v+v > 0xFF000000U)
-        return 0.0/0.0;
-    return ldexp(((v&0x7FFFFF) + (1<<23)) * (v>>31|1), (v>>23&0xFF)-150);
-}
-
-int64_t av_dbl2int(double d){
-    int e;
-    if     ( !d) return 0;
-    else if(d-d) return 0x7FF0000000000000LL + ((int64_t)(d<0)<<63) + (d!=d);
-    d= frexp(d, &e);
-    return (int64_t)(d<0)<<63 | (e+1022LL)<<52 | (int64_t)((fabs(d)-0.5)*(1LL<<53));
-}
-
-int32_t av_flt2int(float d){
-    int e;
-    if     ( !d) return 0;
-    else if(d-d) return 0x7F800000 + ((d<0)<<31) + (d!=d);
-    d= frexp(d, &e);
-    return (d<0)<<31 | (e+126)<<23 | (int64_t)((fabs(d)-0.5)*(1<<24));
-}
-
 /* av_log API */
 
 static int av_log_level = AV_LOG_INFO;