X-Git-Url: http://vcs.maemo.org/git/?a=blobdiff_plain;f=otherlibs%2F_graphics%2Finclude%2Fffmpeg%2Fcommon.h;fp=otherlibs%2F_graphics%2Finclude%2Fffmpeg%2Fcommon.h;h=0000000000000000000000000000000000000000;hb=e4c14cdbdf2fe805e79cd96ded236f57e7b89060;hp=9ec5c7c781b6e585fbf8220c805f86ea5748be9e;hpb=454138ff8a20f6edb9b65a910101403d8b520643;p=opencv diff --git a/otherlibs/_graphics/include/ffmpeg/common.h b/otherlibs/_graphics/include/ffmpeg/common.h deleted file mode 100644 index 9ec5c7c..0000000 --- a/otherlibs/_graphics/include/ffmpeg/common.h +++ /dev/null @@ -1,326 +0,0 @@ -/* - * copyright (c) 2006 Michael Niedermayer - * - * 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 COMMON_H -#define COMMON_H - -#include - -#ifdef HAVE_AV_CONFIG_H -/* only include the following when compiling package */ -# include "config.h" - -# include -# include -# include -# include -# include -# include -# include -#endif /* HAVE_AV_CONFIG_H */ - -#ifndef av_always_inline -#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0) -# define av_always_inline __attribute__((always_inline)) inline -# define av_noinline __attribute__((noinline)) -#else -# define av_always_inline inline -# define av_noinline -#endif -#endif - -#ifdef HAVE_AV_CONFIG_H -# include "internal.h" -#endif /* HAVE_AV_CONFIG_H */ - -#ifndef attribute_deprecated -#if defined(__GNUC__) && (__GNUC__ > 3 || __GNUC__ == 3 && __GNUC_MINOR__ > 0) -# define attribute_deprecated __attribute__((deprecated)) -#else -# define attribute_deprecated -#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 FFMIN(a,b) ((a) > (b) ? (b) : (a)) - -#define FFSWAP(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]; - -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) -{ -#ifdef 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 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 uint8_t av_clip_uint8(int a) -{ - if (a&(~255)) return (-a)>>31; - else return a; -} - -/* math */ -int64_t ff_gcd(int64_t a, int64_t b); - -/** - * 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 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 defined(ARCH_X86) || 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_32) -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 < 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_DEBUG, "%"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 - -#endif /* COMMON_H */