LCOV - code coverage report
Current view: top level - libavutil - common.h (source / functions) Hit Total Coverage
Test: coverage.info Lines: 48 48 100.0 %
Date: 2017-12-15 02:19:58 Functions: 16 16 100.0 %

          Line data    Source code
       1             : /*
       2             :  * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at>
       3             :  *
       4             :  * This file is part of FFmpeg.
       5             :  *
       6             :  * FFmpeg is free software; you can redistribute it and/or
       7             :  * modify it under the terms of the GNU Lesser General Public
       8             :  * License as published by the Free Software Foundation; either
       9             :  * version 2.1 of the License, or (at your option) any later version.
      10             :  *
      11             :  * FFmpeg is distributed in the hope that it will be useful,
      12             :  * but WITHOUT ANY WARRANTY; without even the implied warranty of
      13             :  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
      14             :  * Lesser General Public License for more details.
      15             :  *
      16             :  * You should have received a copy of the GNU Lesser General Public
      17             :  * License along with FFmpeg; if not, write to the Free Software
      18             :  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
      19             :  */
      20             : 
      21             : /**
      22             :  * @file
      23             :  * common internal and external API header
      24             :  */
      25             : 
      26             : #ifndef AVUTIL_COMMON_H
      27             : #define AVUTIL_COMMON_H
      28             : 
      29             : #if defined(__cplusplus) && !defined(__STDC_CONSTANT_MACROS) && !defined(UINT64_C)
      30             : #error missing -D__STDC_CONSTANT_MACROS / #define __STDC_CONSTANT_MACROS
      31             : #endif
      32             : 
      33             : #include <errno.h>
      34             : #include <inttypes.h>
      35             : #include <limits.h>
      36             : #include <math.h>
      37             : #include <stdint.h>
      38             : #include <stdio.h>
      39             : #include <stdlib.h>
      40             : #include <string.h>
      41             : 
      42             : #include "attributes.h"
      43             : #include "macros.h"
      44             : #include "version.h"
      45             : #include "libavutil/avconfig.h"
      46             : 
      47             : #if AV_HAVE_BIGENDIAN
      48             : #   define AV_NE(be, le) (be)
      49             : #else
      50             : #   define AV_NE(be, le) (le)
      51             : #endif
      52             : 
      53             : //rounded division & shift
      54             : #define RSHIFT(a,b) ((a) > 0 ? ((a) + ((1<<(b))>>1))>>(b) : ((a) + ((1<<(b))>>1)-1)>>(b))
      55             : /* assume b>0 */
      56             : #define ROUNDED_DIV(a,b) (((a)>0 ? (a) + ((b)>>1) : (a) - ((b)>>1))/(b))
      57             : /* Fast a/(1<<b) rounded toward +inf. Assume a>=0 and b>=0 */
      58             : #define AV_CEIL_RSHIFT(a,b) (!av_builtin_constant_p(b) ? -((-(a)) >> (b)) \
      59             :                                                        : ((a) + (1<<(b)) - 1) >> (b))
      60             : /* Backwards compat. */
      61             : #define FF_CEIL_RSHIFT AV_CEIL_RSHIFT
      62             : 
      63             : #define FFUDIV(a,b) (((a)>0 ?(a):(a)-(b)+1) / (b))
      64             : #define FFUMOD(a,b) ((a)-(b)*FFUDIV(a,b))
      65             : 
      66             : /**
      67             :  * Absolute value, Note, INT_MIN / INT64_MIN result in undefined behavior as they
      68             :  * are not representable as absolute values of their type. This is the same
      69             :  * as with *abs()
      70             :  * @see FFNABS()
      71             :  */
      72             : #define FFABS(a) ((a) >= 0 ? (a) : (-(a)))
      73             : #define FFSIGN(a) ((a) > 0 ? 1 : -1)
      74             : 
      75             : /**
      76             :  * Negative Absolute value.
      77             :  * this works for all integers of all types.
      78             :  * As with many macros, this evaluates its argument twice, it thus must not have
      79             :  * a sideeffect, that is FFNABS(x++) has undefined behavior.
      80             :  */
      81             : #define FFNABS(a) ((a) <= 0 ? (a) : (-(a)))
      82             : 
      83             : /**
      84             :  * Comparator.
      85             :  * For two numerical expressions x and y, gives 1 if x > y, -1 if x < y, and 0
      86             :  * if x == y. This is useful for instance in a qsort comparator callback.
      87             :  * Furthermore, compilers are able to optimize this to branchless code, and
      88             :  * there is no risk of overflow with signed types.
      89             :  * As with many macros, this evaluates its argument multiple times, it thus
      90             :  * must not have a side-effect.
      91             :  */
      92             : #define FFDIFFSIGN(x,y) (((x)>(y)) - ((x)<(y)))
      93             : 
      94             : #define FFMAX(a,b) ((a) > (b) ? (a) : (b))
      95             : #define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c)
      96             : #define FFMIN(a,b) ((a) > (b) ? (b) : (a))
      97             : #define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c)
      98             : 
      99             : #define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0)
     100             : #define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0]))
     101             : 
     102             : /* misc math functions */
     103             : 
     104             : #ifdef HAVE_AV_CONFIG_H
     105             : #   include "config.h"
     106             : #   include "intmath.h"
     107             : #endif
     108             : 
     109             : /* Pull in unguarded fallback defines at the end of this file. */
     110             : #include "common.h"
     111             : 
     112             : #ifndef av_log2
     113             : av_const int av_log2(unsigned v);
     114             : #endif
     115             : 
     116             : #ifndef av_log2_16bit
     117             : av_const int av_log2_16bit(unsigned v);
     118             : #endif
     119             : 
     120             : /**
     121             :  * Clip a signed integer value into the amin-amax range.
     122             :  * @param a value to clip
     123             :  * @param amin minimum value of the clip range
     124             :  * @param amax maximum value of the clip range
     125             :  * @return clipped value
     126             :  */
     127  3283826034 : static av_always_inline av_const int av_clip_c(int a, int amin, int amax)
     128             : {
     129             : #if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
     130             :     if (amin > amax) abort();
     131             : #endif
     132  3283826034 :     if      (a < amin) return amin;
     133  3172620177 :     else if (a > amax) return amax;
     134  3038200613 :     else               return a;
     135             : }
     136             : 
     137             : /**
     138             :  * Clip a signed 64bit integer value into the amin-amax range.
     139             :  * @param a value to clip
     140             :  * @param amin minimum value of the clip range
     141             :  * @param amax maximum value of the clip range
     142             :  * @return clipped value
     143             :  */
     144    29723611 : static av_always_inline av_const int64_t av_clip64_c(int64_t a, int64_t amin, int64_t amax)
     145             : {
     146             : #if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
     147             :     if (amin > amax) abort();
     148             : #endif
     149    29723611 :     if      (a < amin) return amin;
     150    29723479 :     else if (a > amax) return amax;
     151    29723062 :     else               return a;
     152             : }
     153             : 
     154             : /**
     155             :  * Clip a signed integer value into the 0-255 range.
     156             :  * @param a value to clip
     157             :  * @return clipped value
     158             :  */
     159 27776005889 : static av_always_inline av_const uint8_t av_clip_uint8_c(int a)
     160             : {
     161 27776005889 :     if (a&(~0xFF)) return (-a)>>31;
     162 27730213902 :     else           return a;
     163             : }
     164             : 
     165             : /**
     166             :  * Clip a signed integer value into the -128,127 range.
     167             :  * @param a value to clip
     168             :  * @return clipped value
     169             :  */
     170     4642539 : static av_always_inline av_const int8_t av_clip_int8_c(int a)
     171             : {
     172     4642539 :     if ((a+0x80U) & ~0xFF) return (a>>31) ^ 0x7F;
     173     4642534 :     else                  return a;
     174             : }
     175             : 
     176             : /**
     177             :  * Clip a signed integer value into the 0-65535 range.
     178             :  * @param a value to clip
     179             :  * @return clipped value
     180             :  */
     181    86305448 : static av_always_inline av_const uint16_t av_clip_uint16_c(int a)
     182             : {
     183    86305448 :     if (a&(~0xFFFF)) return (-a)>>31;
     184    86288206 :     else             return a;
     185             : }
     186             : 
     187             : /**
     188             :  * Clip a signed integer value into the -32768,32767 range.
     189             :  * @param a value to clip
     190             :  * @return clipped value
     191             :  */
     192  2646424367 : static av_always_inline av_const int16_t av_clip_int16_c(int a)
     193             : {
     194  2646424367 :     if ((a+0x8000U) & ~0xFFFF) return (a>>31) ^ 0x7FFF;
     195  2643955272 :     else                      return a;
     196             : }
     197             : 
     198             : /**
     199             :  * Clip a signed 64-bit integer value into the -2147483648,2147483647 range.
     200             :  * @param a value to clip
     201             :  * @return clipped value
     202             :  */
     203    97491600 : static av_always_inline av_const int32_t av_clipl_int32_c(int64_t a)
     204             : {
     205    97491600 :     if ((a+0x80000000u) & ~UINT64_C(0xFFFFFFFF)) return (int32_t)((a>>63) ^ 0x7FFFFFFF);
     206    97477033 :     else                                         return (int32_t)a;
     207             : }
     208             : 
     209             : /**
     210             :  * Clip a signed integer into the -(2^p),(2^p-1) range.
     211             :  * @param  a value to clip
     212             :  * @param  p bit position to clip at
     213             :  * @return clipped value
     214             :  */
     215    85885390 : static av_always_inline av_const int av_clip_intp2_c(int a, int p)
     216             : {
     217    85885390 :     if (((unsigned)a + (1 << p)) & ~((2 << p) - 1))
     218      392597 :         return (a >> 31) ^ ((1 << p) - 1);
     219             :     else
     220    85492793 :         return a;
     221             : }
     222             : 
     223             : /**
     224             :  * Clip a signed integer to an unsigned power of two range.
     225             :  * @param  a value to clip
     226             :  * @param  p bit position to clip at
     227             :  * @return clipped value
     228             :  */
     229  2865201919 : static av_always_inline av_const unsigned av_clip_uintp2_c(int a, int p)
     230             : {
     231  2865201919 :     if (a & ~((1<<p) - 1)) return -a >> 31 & ((1<<p) - 1);
     232  2825302758 :     else                   return  a;
     233             : }
     234             : 
     235             : /**
     236             :  * Clear high bits from an unsigned integer starting with specific bit position
     237             :  * @param  a value to clip
     238             :  * @param  p bit position to clip at
     239             :  * @return clipped value
     240             :  */
     241   967949350 : static av_always_inline av_const unsigned av_mod_uintp2_c(unsigned a, unsigned p)
     242             : {
     243   967949350 :     return a & ((1 << p) - 1);
     244             : }
     245             : 
     246             : /**
     247             :  * Add two signed 32-bit values with saturation.
     248             :  *
     249             :  * @param  a one value
     250             :  * @param  b another value
     251             :  * @return sum with signed saturation
     252             :  */
     253     1934989 : static av_always_inline int av_sat_add32_c(int a, int b)
     254             : {
     255     1934989 :     return av_clipl_int32((int64_t)a + b);
     256             : }
     257             : 
     258             : /**
     259             :  * Add a doubled value to another value with saturation at both stages.
     260             :  *
     261             :  * @param  a first value
     262             :  * @param  b value doubled and added to a
     263             :  * @return sum sat(a + sat(2*b)) with signed saturation
     264             :  */
     265      569386 : static av_always_inline int av_sat_dadd32_c(int a, int b)
     266             : {
     267      569386 :     return av_sat_add32(a, av_sat_add32(b, b));
     268             : }
     269             : 
     270             : /**
     271             :  * Subtract two signed 32-bit values with saturation.
     272             :  *
     273             :  * @param  a one value
     274             :  * @param  b another value
     275             :  * @return difference with signed saturation
     276             :  */
     277     1454391 : static av_always_inline int av_sat_sub32_c(int a, int b)
     278             : {
     279     1454391 :     return av_clipl_int32((int64_t)a - b);
     280             : }
     281             : 
     282             : /**
     283             :  * Subtract a doubled value from another value with saturation at both stages.
     284             :  *
     285             :  * @param  a first value
     286             :  * @param  b value doubled and subtracted from a
     287             :  * @return difference sat(a - sat(2*b)) with signed saturation
     288             :  */
     289             : static av_always_inline int av_sat_dsub32_c(int a, int b)
     290             : {
     291             :     return av_sat_sub32(a, av_sat_add32(b, b));
     292             : }
     293             : 
     294             : /**
     295             :  * Clip a float value into the amin-amax range.
     296             :  * @param a value to clip
     297             :  * @param amin minimum value of the clip range
     298             :  * @param amax maximum value of the clip range
     299             :  * @return clipped value
     300             :  */
     301             : static av_always_inline av_const float av_clipf_c(float a, float amin, float amax)
     302             : {
     303             : #if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
     304             :     if (amin > amax) abort();
     305             : #endif
     306             :     if      (a < amin) return amin;
     307             :     else if (a > amax) return amax;
     308             :     else               return a;
     309             : }
     310             : 
     311             : /**
     312             :  * Clip a double value into the amin-amax range.
     313             :  * @param a value to clip
     314             :  * @param amin minimum value of the clip range
     315             :  * @param amax maximum value of the clip range
     316             :  * @return clipped value
     317             :  */
     318             : static av_always_inline av_const double av_clipd_c(double a, double amin, double amax)
     319             : {
     320             : #if defined(HAVE_AV_CONFIG_H) && defined(ASSERT_LEVEL) && ASSERT_LEVEL >= 2
     321             :     if (amin > amax) abort();
     322             : #endif
     323             :     if      (a < amin) return amin;
     324             :     else if (a > amax) return amax;
     325             :     else               return a;
     326             : }
     327             : 
     328             : /** Compute ceil(log2(x)).
     329             :  * @param x value used to compute ceil(log2(x))
     330             :  * @return computed ceiling of log2(x)
     331             :  */
     332     1121721 : static av_always_inline av_const int av_ceil_log2_c(int x)
     333             : {
     334     1121721 :     return av_log2((x - 1) << 1);
     335             : }
     336             : 
     337             : /**
     338             :  * Count number of bits set to one in x
     339             :  * @param x value to count bits of
     340             :  * @return the number of bits set to one in x
     341             :  */
     342     7515722 : static av_always_inline av_const int av_popcount_c(uint32_t x)
     343             : {
     344     7515722 :     x -= (x >> 1) & 0x55555555;
     345     7515722 :     x = (x & 0x33333333) + ((x >> 2) & 0x33333333);
     346     7515722 :     x = (x + (x >> 4)) & 0x0F0F0F0F;
     347     7515722 :     x += x >> 8;
     348     7515722 :     return (x + (x >> 16)) & 0x3F;
     349             : }
     350             : 
     351             : /**
     352             :  * Count number of bits set to one in x
     353             :  * @param x value to count bits of
     354             :  * @return the number of bits set to one in x
     355             :  */
     356     3722614 : static av_always_inline av_const int av_popcount64_c(uint64_t x)
     357             : {
     358     3722614 :     return av_popcount((uint32_t)x) + av_popcount((uint32_t)(x >> 32));
     359             : }
     360             : 
     361             : static av_always_inline av_const int av_parity_c(uint32_t v)
     362             : {
     363             :     return av_popcount(v) & 1;
     364             : }
     365             : 
     366             : #define MKTAG(a,b,c,d) ((a) | ((b) << 8) | ((c) << 16) | ((unsigned)(d) << 24))
     367             : #define MKBETAG(a,b,c,d) ((d) | ((c) << 8) | ((b) << 16) | ((unsigned)(a) << 24))
     368             : 
     369             : /**
     370             :  * Convert a UTF-8 character (up to 4 bytes) to its 32-bit UCS-4 encoded form.
     371             :  *
     372             :  * @param val      Output value, must be an lvalue of type uint32_t.
     373             :  * @param GET_BYTE Expression reading one byte from the input.
     374             :  *                 Evaluated up to 7 times (4 for the currently
     375             :  *                 assigned Unicode range).  With a memory buffer
     376             :  *                 input, this could be *ptr++.
     377             :  * @param ERROR    Expression to be evaluated on invalid input,
     378             :  *                 typically a goto statement.
     379             :  *
     380             :  * @warning ERROR should not contain a loop control statement which
     381             :  * could interact with the internal while loop, and should force an
     382             :  * exit from the macro code (e.g. through a goto or a return) in order
     383             :  * to prevent undefined results.
     384             :  */
     385             : #define GET_UTF8(val, GET_BYTE, ERROR)\
     386             :     val= (GET_BYTE);\
     387             :     {\
     388             :         uint32_t top = (val & 128) >> 1;\
     389             :         if ((val & 0xc0) == 0x80 || val >= 0xFE)\
     390             :             ERROR\
     391             :         while (val & top) {\
     392             :             int tmp= (GET_BYTE) - 128;\
     393             :             if(tmp>>6)\
     394             :                 ERROR\
     395             :             val= (val<<6) + tmp;\
     396             :             top <<= 5;\
     397             :         }\
     398             :         val &= (top << 1) - 1;\
     399             :     }
     400             : 
     401             : /**
     402             :  * Convert a UTF-16 character (2 or 4 bytes) to its 32-bit UCS-4 encoded form.
     403             :  *
     404             :  * @param val       Output value, must be an lvalue of type uint32_t.
     405             :  * @param GET_16BIT Expression returning two bytes of UTF-16 data converted
     406             :  *                  to native byte order.  Evaluated one or two times.
     407             :  * @param ERROR     Expression to be evaluated on invalid input,
     408             :  *                  typically a goto statement.
     409             :  */
     410             : #define GET_UTF16(val, GET_16BIT, ERROR)\
     411             :     val = GET_16BIT;\
     412             :     {\
     413             :         unsigned int hi = val - 0xD800;\
     414             :         if (hi < 0x800) {\
     415             :             val = GET_16BIT - 0xDC00;\
     416             :             if (val > 0x3FFU || hi > 0x3FFU)\
     417             :                 ERROR\
     418             :             val += (hi<<10) + 0x10000;\
     419             :         }\
     420             :     }\
     421             : 
     422             : /**
     423             :  * @def PUT_UTF8(val, tmp, PUT_BYTE)
     424             :  * Convert a 32-bit Unicode character to its UTF-8 encoded form (up to 4 bytes long).
     425             :  * @param val is an input-only argument and should be of type uint32_t. It holds
     426             :  * a UCS-4 encoded Unicode character that is to be converted to UTF-8. If
     427             :  * val is given as a function it is executed only once.
     428             :  * @param tmp is a temporary variable and should be of type uint8_t. It
     429             :  * represents an intermediate value during conversion that is to be
     430             :  * output by PUT_BYTE.
     431             :  * @param PUT_BYTE writes the converted UTF-8 bytes to any proper destination.
     432             :  * It could be a function or a statement, and uses tmp as the input byte.
     433             :  * For example, PUT_BYTE could be "*output++ = tmp;" PUT_BYTE will be
     434             :  * executed up to 4 times for values in the valid UTF-8 range and up to
     435             :  * 7 times in the general case, depending on the length of the converted
     436             :  * Unicode character.
     437             :  */
     438             : #define PUT_UTF8(val, tmp, PUT_BYTE)\
     439             :     {\
     440             :         int bytes, shift;\
     441             :         uint32_t in = val;\
     442             :         if (in < 0x80) {\
     443             :             tmp = in;\
     444             :             PUT_BYTE\
     445             :         } else {\
     446             :             bytes = (av_log2(in) + 4) / 5;\
     447             :             shift = (bytes - 1) * 6;\
     448             :             tmp = (256 - (256 >> bytes)) | (in >> shift);\
     449             :             PUT_BYTE\
     450             :             while (shift >= 6) {\
     451             :                 shift -= 6;\
     452             :                 tmp = 0x80 | ((in >> shift) & 0x3f);\
     453             :                 PUT_BYTE\
     454             :             }\
     455             :         }\
     456             :     }
     457             : 
     458             : /**
     459             :  * @def PUT_UTF16(val, tmp, PUT_16BIT)
     460             :  * Convert a 32-bit Unicode character to its UTF-16 encoded form (2 or 4 bytes).
     461             :  * @param val is an input-only argument and should be of type uint32_t. It holds
     462             :  * a UCS-4 encoded Unicode character that is to be converted to UTF-16. If
     463             :  * val is given as a function it is executed only once.
     464             :  * @param tmp is a temporary variable and should be of type uint16_t. It
     465             :  * represents an intermediate value during conversion that is to be
     466             :  * output by PUT_16BIT.
     467             :  * @param PUT_16BIT writes the converted UTF-16 data to any proper destination
     468             :  * in desired endianness. It could be a function or a statement, and uses tmp
     469             :  * as the input byte.  For example, PUT_BYTE could be "*output++ = tmp;"
     470             :  * PUT_BYTE will be executed 1 or 2 times depending on input character.
     471             :  */
     472             : #define PUT_UTF16(val, tmp, PUT_16BIT)\
     473             :     {\
     474             :         uint32_t in = val;\
     475             :         if (in < 0x10000) {\
     476             :             tmp = in;\
     477             :             PUT_16BIT\
     478             :         } else {\
     479             :             tmp = 0xD800 | ((in - 0x10000) >> 10);\
     480             :             PUT_16BIT\
     481             :             tmp = 0xDC00 | ((in - 0x10000) & 0x3FF);\
     482             :             PUT_16BIT\
     483             :         }\
     484             :     }\
     485             : 
     486             : 
     487             : 
     488             : #include "mem.h"
     489             : 
     490             : #ifdef HAVE_AV_CONFIG_H
     491             : #    include "internal.h"
     492             : #endif /* HAVE_AV_CONFIG_H */
     493             : 
     494             : #endif /* AVUTIL_COMMON_H */
     495             : 
     496             : /*
     497             :  * The following definitions are outside the multiple inclusion guard
     498             :  * to ensure they are immediately available in intmath.h.
     499             :  */
     500             : 
     501             : #ifndef av_ceil_log2
     502             : #   define av_ceil_log2     av_ceil_log2_c
     503             : #endif
     504             : #ifndef av_clip
     505             : #   define av_clip          av_clip_c
     506             : #endif
     507             : #ifndef av_clip64
     508             : #   define av_clip64        av_clip64_c
     509             : #endif
     510             : #ifndef av_clip_uint8
     511             : #   define av_clip_uint8    av_clip_uint8_c
     512             : #endif
     513             : #ifndef av_clip_int8
     514             : #   define av_clip_int8     av_clip_int8_c
     515             : #endif
     516             : #ifndef av_clip_uint16
     517             : #   define av_clip_uint16   av_clip_uint16_c
     518             : #endif
     519             : #ifndef av_clip_int16
     520             : #   define av_clip_int16    av_clip_int16_c
     521             : #endif
     522             : #ifndef av_clipl_int32
     523             : #   define av_clipl_int32   av_clipl_int32_c
     524             : #endif
     525             : #ifndef av_clip_intp2
     526             : #   define av_clip_intp2    av_clip_intp2_c
     527             : #endif
     528             : #ifndef av_clip_uintp2
     529             : #   define av_clip_uintp2   av_clip_uintp2_c
     530             : #endif
     531             : #ifndef av_mod_uintp2
     532             : #   define av_mod_uintp2    av_mod_uintp2_c
     533             : #endif
     534             : #ifndef av_sat_add32
     535             : #   define av_sat_add32     av_sat_add32_c
     536             : #endif
     537             : #ifndef av_sat_dadd32
     538             : #   define av_sat_dadd32    av_sat_dadd32_c
     539             : #endif
     540             : #ifndef av_sat_sub32
     541             : #   define av_sat_sub32     av_sat_sub32_c
     542             : #endif
     543             : #ifndef av_sat_dsub32
     544             : #   define av_sat_dsub32    av_sat_dsub32_c
     545             : #endif
     546             : #ifndef av_clipf
     547             : #   define av_clipf         av_clipf_c
     548             : #endif
     549             : #ifndef av_clipd
     550             : #   define av_clipd         av_clipd_c
     551             : #endif
     552             : #ifndef av_popcount
     553             : #   define av_popcount      av_popcount_c
     554             : #endif
     555             : #ifndef av_popcount64
     556             : #   define av_popcount64    av_popcount64_c
     557             : #endif
     558             : #ifndef av_parity
     559             : #   define av_parity        av_parity_c
     560             : #endif

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