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mcomp4x4_c.c
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上传用户：wstnjxml
上传日期：2014-04-03
资源大小：7248k
文件大小：9k
源码类别：

Windows CE

开发平台：

C/C++

mcomp4x4_c.c：源码内容
  1. /*****************************************************************************
  2.  *
  3.  * This program is free software ; you can redistribute it and/or modify
  4.  * it under the terms of the GNU General Public License as published by
  5.  * the Free Software Foundation; either version 2 of the License, or
  6.  * (at your option) any later version.
  7.  *
  8.  * This program is distributed in the hope that it will be useful,
  9.  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  10.  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
  11.  * GNU General Public License for more details.
  12.  *
  13.  * You should have received a copy of the GNU General Public License
  14.  * along with this program; if not, write to the Free Software
  15.  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307 USA
  16.  *
  17.  * $Id: mcomp_c.c 323 2005-11-01 20:52:32Z picard $
  18.  *
  19.  * The Core Pocket Media Player
  20.  * Copyright (c) 2004-2005 Gabor Kovacs
  21.  *
  22.  ****************************************************************************/
  24. #include "../common.h"
  25. #include "softidct.h"
  27. #if !defined(MIPS64)
  29. #define CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,y,x,r) 
  30. { 
  31. int i; 
  32. for (i=0;i<4;++i) 
  33. { 
  34. Dst[0] = (uint8_t)((Src[0]*(4-x)*(4-y) + Src[1]*x*(4-y) + Src[SrcPitch+0]*(4-x)*y + Src[SrcPitch+1]*x*y + 8-r) >> 4); 
  35. Dst[1] = (uint8_t)((Src[1]*(4-x)*(4-y) + Src[2]*x*(4-y) + Src[SrcPitch+1]*(4-x)*y + Src[SrcPitch+2]*x*y + 8-r) >> 4); 
  36. Dst[2] = (uint8_t)((Src[2]*(4-x)*(4-y) + Src[3]*x*(4-y) + Src[SrcPitch+2]*(4-x)*y + Src[SrcPitch+3]*x*y + 8-r) >> 4); 
  37. Dst[3] = (uint8_t)((Src[3]*(4-x)*(4-y) + Src[4]*x*(4-y) + Src[SrcPitch+3]*(4-x)*y + Src[SrcPitch+4]*x*y + 8-r) >> 4); 
  38. Dst += DstPitch; 
  39. Src += SrcPitch; 
  40. } 
  41. }
  43. void STDCALL CopyBlock4x4_01(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  44. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,0,1,0); }
  45. void STDCALL CopyBlock4x4_02(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  46. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,0,2,0); }
  47. void STDCALL CopyBlock4x4_03(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  48. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,0,3,0); }
  49. void STDCALL CopyBlock4x4_10(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  50. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,1,0,0); }
  51. void STDCALL CopyBlock4x4_11(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  52. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,1,1,0); }
  53. void STDCALL CopyBlock4x4_12(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  54. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,1,2,0); }
  55. void STDCALL CopyBlock4x4_13(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  56. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,1,3,0); }
  57. void STDCALL CopyBlock4x4_20(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  58. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,2,0,0); }
  59. void STDCALL CopyBlock4x4_21(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  60. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,2,1,0); }
  61. void STDCALL CopyBlock4x4_22(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  62. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,2,2,0); }
  63. void STDCALL CopyBlock4x4_23(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  64. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,2,3,0); }
  65. void STDCALL CopyBlock4x4_30(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  66. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,3,0,0); }
  67. void STDCALL CopyBlock4x4_31(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  68. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,3,1,0); }
  69. void STDCALL CopyBlock4x4_32(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  70. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,3,2,0); }
  71. void STDCALL CopyBlock4x4_33(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  72. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,3,3,0); }
  74. void STDCALL CopyBlock4x4_01R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  75. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,0,1,1); }
  76. void STDCALL CopyBlock4x4_02R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  77. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,0,2,1); }
  78. void STDCALL CopyBlock4x4_03R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  79. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,0,3,1); }
  80. void STDCALL CopyBlock4x4_10R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  81. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,1,0,1); }
  82. void STDCALL CopyBlock4x4_11R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  83. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,1,1,1); }
  84. void STDCALL CopyBlock4x4_12R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  85. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,1,2,1); }
  86. void STDCALL CopyBlock4x4_13R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  87. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,1,3,1); }
  88. void STDCALL CopyBlock4x4_20R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  89. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,2,0,1); }
  90. void STDCALL CopyBlock4x4_21R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  91. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,2,1,1); }
  92. void STDCALL CopyBlock4x4_22R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  93. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,2,2,1); }
  94. void STDCALL CopyBlock4x4_23R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  95. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,2,3,1); }
  96. void STDCALL CopyBlock4x4_30R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  97. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,3,0,1); }
  98. void STDCALL CopyBlock4x4_31R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  99. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,3,1,1); }
  100. void STDCALL CopyBlock4x4_32R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  101. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,3,2,1); }
  102. void STDCALL CopyBlock4x4_33R(uint8_t *Src, uint8_t *Dst, int SrcPitch, int DstPitch)
  103. { CopyBlock4x4_XX(Src,Dst,SrcPitch,DstPitch,3,3,1); }
  105. // possible memory aligning problem with source
  106. void STDCALL CopyBlock4x4_00(uint8_t *Src, uint8_t *Dst, int SrcPitch,int DstPitch)
  107. {
  108. int i;
  109. for (i=0;i<4;++i)
  110. {
  111. Dst[0] = Src[0];
  112. Dst[1] = Src[1];
  113. Dst[2] = Src[2];
  114. Dst[3] = Src[3];
  115. Dst += DstPitch;
  116. Src += SrcPitch;
  117. }
  118. }
  120. #ifndef MIPS32
  122. // Dst[p] = Src[p]
  123. void STDCALL CopyBlock4x4(uint8_t *Src, uint8_t *Dst, int SrcPitch,int DstPitch)
  124. {
  125. uint32_t a,b,c,d;
  126. a=((uint32_t*)Src)[0]; Src += SrcPitch;
  127. b=((uint32_t*)Src)[0]; Src += SrcPitch;
  128. c=((uint32_t*)Src)[0]; Src += SrcPitch;
  129. d=((uint32_t*)Src)[0];
  130. ((uint32_t*)Dst)[0]=a; Dst += DstPitch;
  131. ((uint32_t*)Dst)[0]=b; Dst += DstPitch;
  132. ((uint32_t*)Dst)[0]=c; Dst += DstPitch;
  133. ((uint32_t*)Dst)[0]=d;
  134. }
  136. #define AddBlock4x4_XX(Src,Dst,SrcPitch,y,x) 
  137. { 
  138. int i; 
  139. for (i=0;i<4;++i) 
  140. { 
  141. Dst[0] = (uint8_t)((((Src[0]*(4-x)*(4-y) + Src[1]*x*(4-y) + Src[SrcPitch+0]*(4-x)*y + Src[SrcPitch+1]*x*y + 8) >> 4) + Dst[0] + 1) >> 1); 
  142. Dst[1] = (uint8_t)((((Src[1]*(4-x)*(4-y) + Src[2]*x*(4-y) + Src[SrcPitch+1]*(4-x)*y + Src[SrcPitch+2]*x*y + 8) >> 4) + Dst[1] + 1) >> 1); 
  143. Dst[2] = (uint8_t)((((Src[2]*(4-x)*(4-y) + Src[3]*x*(4-y) + Src[SrcPitch+2]*(4-x)*y + Src[SrcPitch+3]*x*y + 8) >> 4) + Dst[2] + 1) >> 1); 
  144. Dst[3] = (uint8_t)((((Src[3]*(4-x)*(4-y) + Src[4]*x*(4-y) + Src[SrcPitch+3]*(4-x)*y + Src[SrcPitch+4]*x*y + 8) >> 4) + Dst[3] + 1) >> 1); 
  145. Dst += 8; 
  146. Src += SrcPitch; 
  147. } 
  148. }
  150. void STDCALL AddBlock4x4_00(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  151. { AddBlock4x4_XX(Src,Dst,SrcPitch,0,0); }
  152. void STDCALL AddBlock4x4_01(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  153. { AddBlock4x4_XX(Src,Dst,SrcPitch,0,1); }
  154. void STDCALL AddBlock4x4_02(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  155. { AddBlock4x4_XX(Src,Dst,SrcPitch,0,2); }
  156. void STDCALL AddBlock4x4_03(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  157. { AddBlock4x4_XX(Src,Dst,SrcPitch,0,3); }
  158. void STDCALL AddBlock4x4_10(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  159. { AddBlock4x4_XX(Src,Dst,SrcPitch,1,0); }
  160. void STDCALL AddBlock4x4_11(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  161. { AddBlock4x4_XX(Src,Dst,SrcPitch,1,1); }
  162. void STDCALL AddBlock4x4_12(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  163. { AddBlock4x4_XX(Src,Dst,SrcPitch,1,2); }
  164. void STDCALL AddBlock4x4_13(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  165. { AddBlock4x4_XX(Src,Dst,SrcPitch,1,3); }
  166. void STDCALL AddBlock4x4_20(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  167. { AddBlock4x4_XX(Src,Dst,SrcPitch,2,0); }
  168. void STDCALL AddBlock4x4_21(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  169. { AddBlock4x4_XX(Src,Dst,SrcPitch,2,1); }
  170. void STDCALL AddBlock4x4_22(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  171. { AddBlock4x4_XX(Src,Dst,SrcPitch,2,2); }
  172. void STDCALL AddBlock4x4_23(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  173. { AddBlock4x4_XX(Src,Dst,SrcPitch,2,3); }
  174. void STDCALL AddBlock4x4_30(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  175. { AddBlock4x4_XX(Src,Dst,SrcPitch,3,0); }
  176. void STDCALL AddBlock4x4_31(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  177. { AddBlock4x4_XX(Src,Dst,SrcPitch,3,1); }
  178. void STDCALL AddBlock4x4_32(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  179. { AddBlock4x4_XX(Src,Dst,SrcPitch,3,2); }
  180. void STDCALL AddBlock4x4_33(uint8_t *Src, uint8_t *Dst, int SrcPitch)
  181. { AddBlock4x4_XX(Src,Dst,SrcPitch,3,3); }
  183. #endif
  185. #endif