From 67f7ecf731d14f732db9d685aefd011f770d21a3 Mon Sep 17 00:00:00 2001 From: Mohamed Tarek Date: Thu, 29 Apr 2010 15:14:43 +0000 Subject: Revert r25739 which added libwmapro to apps/codecs, in preparation to commit the unmodified ffmpeg files first, for the sake of a consistent/complete svn history. git-svn-id: svn://svn.rockbox.org/rockbox/trunk@25758 a1c6a512-1295-4272-9138-f99709370657 --- apps/codecs/libwmapro/libavutil/common.h | 299 ------------------------------- 1 file changed, 299 deletions(-) delete mode 100644 apps/codecs/libwmapro/libavutil/common.h (limited to 'apps/codecs/libwmapro/libavutil/common.h') diff --git a/apps/codecs/libwmapro/libavutil/common.h b/apps/codecs/libwmapro/libavutil/common.h deleted file mode 100644 index f3bc4ba44b..0000000000 --- a/apps/codecs/libwmapro/libavutil/common.h +++ /dev/null @@ -1,299 +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 libavutil/common.h - * common internal and external API header - */ - -#ifndef AVUTIL_COMMON_H -#define AVUTIL_COMMON_H - -#include -#include -#include -#include -#include -#include -#include -#include -#include "attributes.h" -#include "internal.h" - -//rounded division & 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])) -#define FFALIGN(x, a) (((x)+(a)-1)&~((a)-1)) - -/* misc math functions */ -extern const uint8_t ff_log2_tab[256]; - -extern const uint8_t av_reverse[256]; - -static inline av_const int av_log2_c(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_c(unsigned int v) -{ - int n = 0; - if (v & 0xff00) { - v >>= 8; - n += 8; - } - n += ff_log2_tab[v]; - - return n; -} - -#ifdef HAVE_AV_CONFIG_H -# include "config.h" -# include "intmath.h" -#endif - -#ifndef av_log2 -# define av_log2 av_log2_c -#endif -#ifndef av_log2_16bit -# define av_log2_16bit av_log2_16bit_c -#endif - -/** - * Clips 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; -} - -/** - * Clips 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; -} - -/** - * Clips a signed integer value into the 0-65535 range. - * @param a value to clip - * @return clipped value - */ -static inline av_const uint16_t av_clip_uint16(int a) -{ - if (a&(~65535)) return (-a)>>31; - else return a; -} - -/** - * Clips 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; -} - -/** - * Clips 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; -} - -/** Computes ceil(log2(x)). - * @param x value used to compute ceil(log2(x)) - * @return computed ceiling of log2(x) - */ -static inline av_const int av_ceil_log2(int x) -{ - return av_log2((x - 1) << 1); -} - -#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 GET_UTF16(val, GET_16BIT, ERROR) - * Converts a UTF-16 character (2 or 4 bytes) 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_16BIT gets two bytes of UTF-16 encoded data converted to native endianness. - * It can be a function or a statement whose return value or evaluated value is of type - * uint16_t. It will be executed up to 2 times. - * \param ERROR action that should be taken when an invalid UTF-16 surrogate 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_UTF16(val, GET_16BIT, ERROR)\ - val = GET_16BIT;\ - {\ - unsigned int hi = val - 0xD800;\ - if (hi < 0x800) {\ - val = GET_16BIT - 0xDC00;\ - if (val > 0x3FFU || hi > 0x3FFU)\ - ERROR\ - val += (hi<<10) + 0x10000;\ - }\ - }\ - -/*! - * \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 UCS-4 encoded Unicode character that is to be converted to UTF-8. If - * val is given as a function it is 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 - * output 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\ - }\ - }\ - } - -/*! - * \def PUT_UTF16(val, tmp, PUT_16BIT) - * Converts a 32-bit Unicode character to its UTF-16 encoded form (2 or 4 bytes). - * \param val is an input-only argument and should be of type uint32_t. It holds - * a UCS-4 encoded Unicode character that is to be converted to UTF-16. If - * val is given as a function it is executed only once. - * \param tmp is a temporary variable and should be of type uint16_t. It - * represents an intermediate value during conversion that is to be - * output by PUT_16BIT. - * \param PUT_16BIT writes the converted UTF-16 data to any proper destination - * in desired endianness. 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 1 or 2 times depending on input character. - */ -#define PUT_UTF16(val, tmp, PUT_16BIT)\ - {\ - uint32_t in = val;\ - if (in < 0x10000) {\ - tmp = in;\ - PUT_16BIT\ - } else {\ - tmp = 0xD800 | ((in - 0x10000) >> 10);\ - PUT_16BIT\ - tmp = 0xDC00 | ((in - 0x10000) & 0x3FF);\ - PUT_16BIT\ - }\ - }\ - - - -#include "mem.h" - -#if 0 -#ifdef HAVE_AV_CONFIG_H -# include "internal.h" -#endif /* HAVE_AV_CONFIG_H */ -#endif -#endif /* AVUTIL_COMMON_H */ -- cgit v1.2.3