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Gentoo's Bugzilla – Attachment 178818 Details for
Bug 255302
media-libs/xine-lib-1.1.16.1 - /usr/include/libavutil/common.h:326:14: error: operator '||' has no left operand
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My /usr/include/libavutil/common.h
common.h (text/plain), 10.29 KB, created by
loki aekin
on 2009-01-17 21:13:49 UTC
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Description:
My /usr/include/libavutil/common.h
Filename:
MIME Type:
Creator:
loki aekin
Created:
2009-01-17 21:13:49 UTC
Size:
10.29 KB
patch
obsolete
>/* > * copyright (c) 2006 Michael Niedermayer <michaelni@gmx.at> > * > * This file is part of FFmpeg. > * > * FFmpeg 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 2.1 of the License, or (at your option) any later version. > * > * FFmpeg 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 FFmpeg; if not, write to the Free Software > * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA > */ > >/** > * @file common.h > * common internal and external API header > */ > >#ifndef AVUTIL_COMMON_H >#define AVUTIL_COMMON_H > >#include <inttypes.h> > >#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> ># include <errno.h> ># include <math.h> >#endif /* HAVE_AV_CONFIG_H */ > >#define AV_GCC_VERSION_AT_LEAST(x,y) (defined(__GNUC__) && (__GNUC__ > x || __GNUC__ == x && __GNUC_MINOR__ >= y)) > >#ifndef av_always_inline >#if AV_GCC_VERSION_AT_LEAST(3,1) ># define av_always_inline __attribute__((always_inline)) inline >#else ># define av_always_inline inline >#endif >#endif > >#ifndef av_noinline >#if AV_GCC_VERSION_AT_LEAST(3,1) ># define av_noinline __attribute__((noinline)) >#else ># define av_noinline >#endif >#endif > >#ifndef av_pure >#if AV_GCC_VERSION_AT_LEAST(3,1) ># define av_pure __attribute__((pure)) >#else ># define av_pure >#endif >#endif > >#ifndef av_const >#if AV_GCC_VERSION_AT_LEAST(2,6) ># define av_const __attribute__((const)) >#else ># define av_const >#endif >#endif > >#ifndef av_cold >#if (!defined(__ICC) || __ICC > 1100) && AV_GCC_VERSION_AT_LEAST(4,3) ># define av_cold __attribute__((cold)) >#else ># define av_cold >#endif >#endif > >#ifdef HAVE_AV_CONFIG_H ># include "internal.h" >#endif /* HAVE_AV_CONFIG_H */ > >#ifndef attribute_deprecated >#if AV_GCC_VERSION_AT_LEAST(3,1) ># define attribute_deprecated __attribute__((deprecated)) >#else ># define attribute_deprecated >#endif >#endif > >#ifndef av_unused >#if defined(__GNUC__) ># define av_unused __attribute__((unused)) >#else ># define av_unused >#endif >#endif > >#include "mem.h" > >//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 FFABS(a) ((a) >= 0 ? (a) : (-(a))) >#define FFSIGN(a) ((a) > 0 ? 1 : -1) > >#define FFMAX(a,b) ((a) > (b) ? (a) : (b)) >#define FFMAX3(a,b,c) FFMAX(FFMAX(a,b),c) >#define FFMIN(a,b) ((a) > (b) ? (b) : (a)) >#define FFMIN3(a,b,c) FFMIN(FFMIN(a,b),c) > >#define FFSWAP(type,a,b) do{type SWAP_tmp= b; b= a; a= SWAP_tmp;}while(0) >#define FF_ARRAY_ELEMS(a) (sizeof(a) / sizeof((a)[0])) > >/* misc math functions */ >extern const uint8_t ff_log2_tab[256]; > >static inline av_const int av_log2(unsigned int v) >{ > int 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 av_const int av_log2_16bit(unsigned int v) >{ > int n = 0; > if (v & 0xff00) { > v >>= 8; > n += 8; > } > n += ff_log2_tab[v]; > > return n; >} > >/* median of 3 */ >static inline av_const int mid_pred(int a, int b, int c) >{ >#if HAVE_CMOV > int i=b; > __asm__ volatile( > "cmp %2, %1 \n\t" > "cmovg %1, %0 \n\t" > "cmovg %2, %1 \n\t" > "cmp %3, %1 \n\t" > "cmovl %3, %1 \n\t" > "cmp %1, %0 \n\t" > "cmovg %1, %0 \n\t" > :"+&r"(i), "+&r"(a) > :"r"(b), "r"(c) > ); > return i; >#elif 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 >} > >/** > * 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 clipped value > */ >static inline av_const int av_clip(int a, int amin, int amax) >{ > if (a < amin) return amin; > else if (a > amax) return amax; > else return a; >} > >/** > * clip a signed integer value into the 0-255 range > * @param a value to clip > * @return clipped value > */ >static inline av_const uint8_t av_clip_uint8(int a) >{ > if (a&(~255)) return (-a)>>31; > else return a; >} > >/** > * clip a signed integer value into the -32768,32767 range > * @param a value to clip > * @return clipped value > */ >static inline av_const int16_t av_clip_int16(int a) >{ > if ((a+32768) & ~65535) return (a>>31) ^ 32767; > else return a; >} > >/** > * clip a float 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 clipped value > */ >static inline av_const float av_clipf(float a, float amin, float amax) >{ > if (a < amin) return amin; > else if (a > amax) return amax; > else return a; >} > >/* math */ >int64_t av_const ff_gcd(int64_t a, int64_t b); > >/** > * converts fourcc string to int > */ >static inline av_pure 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 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)) > >/*! > * \def GET_UTF8(val, GET_BYTE, ERROR) > * converts a UTF-8 character (up to 4 bytes long) to its 32-bit UCS-4 encoded form > * \param val is the output and should be of type uint32_t. It holds the converted > * UCS-4 character and should be a left value. > * \param GET_BYTE gets UTF-8 encoded bytes from any proper source. It can be > * a function or a statement whose return value or evaluated value is of type > * uint8_t. It will be executed up to 4 times for values in the valid UTF-8 range, > * and up to 7 times in the general case. > * \param ERROR action that should be taken when an invalid UTF-8 byte is returned > * from GET_BYTE. It should be a statement that jumps out of the macro, > * like exit(), goto, return, break, or continue. > */ >#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;\ > }\ > } > >/*! > * \def PUT_UTF8(val, tmp, PUT_BYTE) > * converts a 32-bit unicode character to its UTF-8 encoded form (up to 4 bytes long). > * \param val is an input only argument and should be of type uint32_t. It holds > * a ucs4 encoded unicode character that is to be converted to UTF-8. If > * val is given as a function it's executed only once. > * \param tmp is a temporary variable and should be of type uint8_t. It > * represents an intermediate value during conversion that is to be > * outputted by PUT_BYTE. > * \param PUT_BYTE writes the converted UTF-8 bytes to any proper destination. > * It could be a function or a statement, and uses tmp as the input byte. > * For example, PUT_BYTE could be "*output++ = tmp;" PUT_BYTE will be > * executed up to 4 times for values in the valid UTF-8 range and up to > * 7 times in the general case, depending on the length of the converted > * unicode character. > */ >#define PUT_UTF8(val, tmp, PUT_BYTE)\ > {\ > int bytes, shift;\ > uint32_t in = val;\ > if (in < 0x80) {\ > tmp = in;\ > PUT_BYTE\ > } else {\ > bytes = (av_log2(in) + 4) / 5;\ > shift = (bytes - 1) * 6;\ > tmp = (256 - (256 >> bytes)) | (in >> shift);\ > PUT_BYTE\ > while (shift >= 6) {\ > shift -= 6;\ > tmp = 0x80 | ((in >> shift) & 0x3f);\ > PUT_BYTE\ > }\ > }\ > } > >#if ARCH_X86 || ARCH_PPC || ARCH_BFIN >#define AV_READ_TIME read_time >#if ARCH_X86 >static inline uint64_t read_time(void) >{ > uint32_t a, d; > __asm__ volatile("rdtsc\n\t" > : "=a" (a), "=d" (d)); > return ((uint64_t)d << 32) + a; >} >#elif ARCH_BFIN >static inline uint64_t read_time(void) >{ > union { > struct { > unsigned lo; > unsigned hi; > } p; > unsigned long long c; > } t; > __asm__ volatile ("%0=cycles; %1=cycles2;" : "=d" (t.p.lo), "=d" (t.p.hi)); > return t.c; >} >#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 >#elif HAVE_GETHRTIME >#define AV_READ_TIME gethrtime >#endif > >#ifdef AV_READ_TIME >#define START_TIMER \ >uint64_t tend;\ >uint64_t tstart= AV_READ_TIME();\ > >#define STOP_TIMER(id) \ >tend= AV_READ_TIME();\ >{\ > static uint64_t tsum=0;\ > static int tcount=0;\ > static int tskip_count=0;\ > if(tcount<2 || tend - tstart < FFMAX(8*tsum/tcount, 2000)){\ > tsum+= tend - tstart;\ > tcount++;\ > }else\ > tskip_count++;\ > if(((tcount+tskip_count)&(tcount+tskip_count-1))==0){\ > av_log(NULL, AV_LOG_ERROR, "%"PRIu64" dezicycles in %s, %d runs, %d skips\n",\ > tsum*10/tcount, id, tcount, tskip_count);\ > }\ >} >#else >#define START_TIMER >#define STOP_TIMER(id) {} >#endif > >/** > * Returns NULL if CONFIG_SMALL is true otherwise the argument > * without modifications, used to disable the definition of strings > * (for example AVCodec long_names). > */ >#if CONFIG_SMALL ># define NULL_IF_CONFIG_SMALL(x) NULL >#else ># define NULL_IF_CONFIG_SMALL(x) x >#endif > >#endif /* AVUTIL_COMMON_H */
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Attachments on
bug 255302
: 178818 |
179088