snow.c
资源名称:tcpmp.rar [点击查看]
上传用户:wstnjxml
上传日期:2014-04-03
资源大小:7248k
文件大小:135k
源码类别:
Windows CE
开发平台:
C/C++
- /*
- * Copyright (C) 2004 Michael Niedermayer <michaelni@gmx.at>
- *
- * This library 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 of the License, or (at your option) any later version.
- *
- * This library 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 this library; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
- */
- #include "avcodec.h"
- #include "common.h"
- #include "dsputil.h"
- #include "rangecoder.h"
- #define MID_STATE 128
- #include "mpegvideo.h"
- #undef NDEBUG
- #include <assert.h>
- #define MAX_DECOMPOSITIONS 8
- #define MAX_PLANES 4
- #define DWTELEM int
- #define QSHIFT 5
- #define QROOT (1<<QSHIFT)
- #define LOSSLESS_QLOG -128
- #define FRAC_BITS 8
- static const int8_t quant3[256]={
- 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1, 0,
- };
- static const int8_t quant3b[256]={
- 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- -1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,-1,
- };
- static const int8_t quant3bA[256]={
- 0, 0, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1, 1,-1,
- };
- static const int8_t quant5[256]={
- 0, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1,-1,
- };
- static const int8_t quant7[256]={
- 0, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
- 2, 2, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
- -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
- -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
- -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
- -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-3,
- -3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,
- -2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-2,-1,-1,
- };
- static const int8_t quant9[256]={
- 0, 1, 1, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 3, 3,
- 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,
- -3,-3,-3,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-2,-1,-1,
- };
- static const int8_t quant11[256]={
- 0, 1, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4,
- 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
- -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
- -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
- -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
- -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
- -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-4,-4,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,-4,
- -4,-4,-4,-4,-4,-3,-3,-3,-3,-3,-3,-3,-2,-2,-2,-1,
- };
- static const int8_t quant13[256]={
- 0, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4,
- 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
- 5, 5, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,
- -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,
- -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,
- -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,
- -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,
- -6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-6,-5,
- -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
- -5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,-5,
- -4,-4,-4,-4,-4,-4,-4,-4,-4,-3,-3,-3,-3,-2,-2,-1,
- };
- #define LOG2_OBMC_MAX 6
- #define OBMC_MAX (1<<(LOG2_OBMC_MAX))
- #if 0 //64*cubic
- static const uint8_t obmc32[1024]={
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 1, 0, 0,
- 0, 0, 1, 2, 2, 3, 4, 6, 7, 8, 9,10,11,12,12,12,12,12,12,11,10, 9, 8, 7, 6, 4, 3, 2, 2, 1, 0, 0,
- 0, 1, 1, 2, 3, 5, 6, 8,10,11,13,14,15,16,17,18,18,17,16,15,14,13,11,10, 8, 6, 5, 3, 2, 1, 1, 0,
- 0, 1, 1, 3, 4, 6, 8,10,13,15,17,19,20,22,22,23,23,22,22,20,19,17,15,13,10, 8, 6, 4, 3, 1, 1, 0,
- 0, 1, 2, 4, 6, 8,10,13,16,19,21,23,25,27,28,29,29,28,27,25,23,21,19,16,13,10, 8, 6, 4, 2, 1, 0,
- 0, 1, 2, 4, 7,10,13,16,19,22,25,28,31,33,34,35,35,34,33,31,28,25,22,19,16,13,10, 7, 4, 2, 1, 0,
- 0, 1, 3, 5, 8,11,15,19,22,26,30,33,36,38,40,41,41,40,38,36,33,30,26,22,19,15,11, 8, 5, 3, 1, 0,
- 0, 1, 3, 6, 9,12,17,21,25,30,34,38,41,44,45,46,46,45,44,41,38,34,30,25,21,17,12, 9, 6, 3, 1, 0,
- 0, 1, 3, 6,10,14,19,23,28,33,38,42,45,48,51,52,52,51,48,45,42,38,33,28,23,19,14,10, 6, 3, 1, 0,
- 0, 1, 4, 7,11,15,20,25,31,36,41,45,49,52,55,56,56,55,52,49,45,41,36,31,25,20,15,11, 7, 4, 1, 0,
- 0, 2, 4, 7,12,16,22,27,33,38,44,48,52,56,58,60,60,58,56,52,48,44,38,33,27,22,16,12, 7, 4, 2, 0,
- 0, 1, 4, 8,12,17,22,28,34,40,45,51,55,58,61,62,62,61,58,55,51,45,40,34,28,22,17,12, 8, 4, 1, 0,
- 0, 2, 4, 8,12,18,23,29,35,41,46,52,56,60,62,64,64,62,60,56,52,46,41,35,29,23,18,12, 8, 4, 2, 0,
- 0, 2, 4, 8,12,18,23,29,35,41,46,52,56,60,62,64,64,62,60,56,52,46,41,35,29,23,18,12, 8, 4, 2, 0,
- 0, 1, 4, 8,12,17,22,28,34,40,45,51,55,58,61,62,62,61,58,55,51,45,40,34,28,22,17,12, 8, 4, 1, 0,
- 0, 2, 4, 7,12,16,22,27,33,38,44,48,52,56,58,60,60,58,56,52,48,44,38,33,27,22,16,12, 7, 4, 2, 0,
- 0, 1, 4, 7,11,15,20,25,31,36,41,45,49,52,55,56,56,55,52,49,45,41,36,31,25,20,15,11, 7, 4, 1, 0,
- 0, 1, 3, 6,10,14,19,23,28,33,38,42,45,48,51,52,52,51,48,45,42,38,33,28,23,19,14,10, 6, 3, 1, 0,
- 0, 1, 3, 6, 9,12,17,21,25,30,34,38,41,44,45,46,46,45,44,41,38,34,30,25,21,17,12, 9, 6, 3, 1, 0,
- 0, 1, 3, 5, 8,11,15,19,22,26,30,33,36,38,40,41,41,40,38,36,33,30,26,22,19,15,11, 8, 5, 3, 1, 0,
- 0, 1, 2, 4, 7,10,13,16,19,22,25,28,31,33,34,35,35,34,33,31,28,25,22,19,16,13,10, 7, 4, 2, 1, 0,
- 0, 1, 2, 4, 6, 8,10,13,16,19,21,23,25,27,28,29,29,28,27,25,23,21,19,16,13,10, 8, 6, 4, 2, 1, 0,
- 0, 1, 1, 3, 4, 6, 8,10,13,15,17,19,20,22,22,23,23,22,22,20,19,17,15,13,10, 8, 6, 4, 3, 1, 1, 0,
- 0, 1, 1, 2, 3, 5, 6, 8,10,11,13,14,15,16,17,18,18,17,16,15,14,13,11,10, 8, 6, 5, 3, 2, 1, 1, 0,
- 0, 0, 1, 2, 2, 3, 4, 6, 7, 8, 9,10,11,12,12,12,12,12,12,11,10, 9, 8, 7, 6, 4, 3, 2, 2, 1, 0, 0,
- 0, 0, 1, 1, 2, 2, 3, 4, 4, 5, 6, 6, 7, 7, 8, 8, 8, 8, 7, 7, 6, 6, 5, 4, 4, 3, 2, 2, 1, 1, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- //error:0.000022
- };
- static const uint8_t obmc16[256]={
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
- 0, 1, 1, 2, 4, 5, 5, 6, 6, 5, 5, 4, 2, 1, 1, 0,
- 0, 1, 4, 6, 9,11,13,15,15,13,11, 9, 6, 4, 1, 0,
- 0, 2, 6,11,15,20,24,26,26,24,20,15,11, 6, 2, 0,
- 0, 4, 9,15,23,29,34,38,38,34,29,23,15, 9, 4, 0,
- 0, 5,11,20,29,38,45,49,49,45,38,29,20,11, 5, 0,
- 1, 5,13,24,34,45,53,57,57,53,45,34,24,13, 5, 1,
- 1, 6,15,26,38,49,57,62,62,57,49,38,26,15, 6, 1,
- 1, 6,15,26,38,49,57,62,62,57,49,38,26,15, 6, 1,
- 1, 5,13,24,34,45,53,57,57,53,45,34,24,13, 5, 1,
- 0, 5,11,20,29,38,45,49,49,45,38,29,20,11, 5, 0,
- 0, 4, 9,15,23,29,34,38,38,34,29,23,15, 9, 4, 0,
- 0, 2, 6,11,15,20,24,26,26,24,20,15,11, 6, 2, 0,
- 0, 1, 4, 6, 9,11,13,15,15,13,11, 9, 6, 4, 1, 0,
- 0, 1, 1, 2, 4, 5, 5, 6, 6, 5, 5, 4, 2, 1, 1, 0,
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
- //error:0.000033
- };
- #elif 1 // 64*linear
- static const uint8_t obmc32[1024]={
- 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
- 0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 0,
- 0, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 8, 9,10,10, 9, 8, 8, 7, 7, 6, 5, 5, 4, 3, 3, 2, 2, 1, 0,
- 0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9,10,11,12,13,14,14,13,12,11,10, 9, 8, 7, 7, 6, 5, 4, 3, 2, 1, 0,
- 1, 2, 3, 4, 5, 6, 7, 8,10,11,12,13,14,15,16,17,17,16,15,14,13,12,11,10, 8, 7, 6, 5, 4, 3, 2, 1,
- 1, 2, 3, 5, 6, 8, 9,10,12,13,14,16,17,19,20,21,21,20,19,17,16,14,13,12,10, 9, 8, 6, 5, 3, 2, 1,
- 1, 2, 4, 6, 7, 9,11,12,14,15,17,19,20,22,24,25,25,24,22,20,19,17,15,14,12,11, 9, 7, 6, 4, 2, 1,
- 1, 3, 5, 7, 8,10,12,14,16,18,20,22,23,25,27,29,29,27,25,23,22,20,18,16,14,12,10, 8, 7, 5, 3, 1,
- 1, 3, 5, 7,10,12,14,16,18,20,22,24,27,29,31,33,33,31,29,27,24,22,20,18,16,14,12,10, 7, 5, 3, 1,
- 1, 4, 6, 8,11,13,15,18,20,23,25,27,30,32,34,37,37,34,32,30,27,25,23,20,18,15,13,11, 8, 6, 4, 1,
- 1, 4, 7, 9,12,14,17,20,22,25,28,30,33,35,38,41,41,38,35,33,30,28,25,22,20,17,14,12, 9, 7, 4, 1,
- 1, 4, 7,10,13,16,19,22,24,27,30,33,36,39,42,45,45,42,39,36,33,30,27,24,22,19,16,13,10, 7, 4, 1,
- 2, 5, 8,11,14,17,20,23,27,30,33,36,39,42,45,48,48,45,42,39,36,33,30,27,23,20,17,14,11, 8, 5, 2,
- 2, 5, 8,12,15,19,22,25,29,32,35,39,42,46,49,52,52,49,46,42,39,35,32,29,25,22,19,15,12, 8, 5, 2,
- 2, 5, 9,13,16,20,24,27,31,34,38,42,45,49,53,56,56,53,49,45,42,38,34,31,27,24,20,16,13, 9, 5, 2,
- 2, 6,10,14,17,21,25,29,33,37,41,45,48,52,56,60,60,56,52,48,45,41,37,33,29,25,21,17,14,10, 6, 2,
- 2, 6,10,14,17,21,25,29,33,37,41,45,48,52,56,60,60,56,52,48,45,41,37,33,29,25,21,17,14,10, 6, 2,
- 2, 5, 9,13,16,20,24,27,31,34,38,42,45,49,53,56,56,53,49,45,42,38,34,31,27,24,20,16,13, 9, 5, 2,
- 2, 5, 8,12,15,19,22,25,29,32,35,39,42,46,49,52,52,49,46,42,39,35,32,29,25,22,19,15,12, 8, 5, 2,
- 2, 5, 8,11,14,17,20,23,27,30,33,36,39,42,45,48,48,45,42,39,36,33,30,27,23,20,17,14,11, 8, 5, 2,
- 1, 4, 7,10,13,16,19,22,24,27,30,33,36,39,42,45,45,42,39,36,33,30,27,24,22,19,16,13,10, 7, 4, 1,
- 1, 4, 7, 9,12,14,17,20,22,25,28,30,33,35,38,41,41,38,35,33,30,28,25,22,20,17,14,12, 9, 7, 4, 1,
- 1, 4, 6, 8,11,13,15,18,20,23,25,27,30,32,34,37,37,34,32,30,27,25,23,20,18,15,13,11, 8, 6, 4, 1,
- 1, 3, 5, 7,10,12,14,16,18,20,22,24,27,29,31,33,33,31,29,27,24,22,20,18,16,14,12,10, 7, 5, 3, 1,
- 1, 3, 5, 7, 8,10,12,14,16,18,20,22,23,25,27,29,29,27,25,23,22,20,18,16,14,12,10, 8, 7, 5, 3, 1,
- 1, 2, 4, 6, 7, 9,11,12,14,15,17,19,20,22,24,25,25,24,22,20,19,17,15,14,12,11, 9, 7, 6, 4, 2, 1,
- 1, 2, 3, 5, 6, 8, 9,10,12,13,14,16,17,19,20,21,21,20,19,17,16,14,13,12,10, 9, 8, 6, 5, 3, 2, 1,
- 1, 2, 3, 4, 5, 6, 7, 8,10,11,12,13,14,15,16,17,17,16,15,14,13,12,11,10, 8, 7, 6, 5, 4, 3, 2, 1,
- 0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 9,10,11,12,13,14,14,13,12,11,10, 9, 8, 7, 7, 6, 5, 4, 3, 2, 1, 0,
- 0, 1, 2, 2, 3, 3, 4, 5, 5, 6, 7, 7, 8, 8, 9,10,10, 9, 8, 8, 7, 7, 6, 5, 5, 4, 3, 3, 2, 2, 1, 0,
- 0, 1, 1, 1, 2, 2, 2, 3, 3, 4, 4, 4, 5, 5, 5, 6, 6, 5, 5, 5, 4, 4, 4, 3, 3, 2, 2, 2, 1, 1, 1, 0,
- 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0,
- //error:0.000020
- };
- static const uint8_t obmc16[256]={
- 0, 1, 1, 2, 2, 3, 3, 4, 4, 3, 3, 2, 2, 1, 1, 0,
- 1, 2, 4, 5, 7, 8,10,11,11,10, 8, 7, 5, 4, 2, 1,
- 1, 4, 6, 9,11,14,16,19,19,16,14,11, 9, 6, 4, 1,
- 2, 5, 9,12,16,19,23,26,26,23,19,16,12, 9, 5, 2,
- 2, 7,11,16,20,25,29,34,34,29,25,20,16,11, 7, 2,
- 3, 8,14,19,25,30,36,41,41,36,30,25,19,14, 8, 3,
- 3,10,16,23,29,36,42,49,49,42,36,29,23,16,10, 3,
- 4,11,19,26,34,41,49,56,56,49,41,34,26,19,11, 4,
- 4,11,19,26,34,41,49,56,56,49,41,34,26,19,11, 4,
- 3,10,16,23,29,36,42,49,49,42,36,29,23,16,10, 3,
- 3, 8,14,19,25,30,36,41,41,36,30,25,19,14, 8, 3,
- 2, 7,11,16,20,25,29,34,34,29,25,20,16,11, 7, 2,
- 2, 5, 9,12,16,19,23,26,26,23,19,16,12, 9, 5, 2,
- 1, 4, 6, 9,11,14,16,19,19,16,14,11, 9, 6, 4, 1,
- 1, 2, 4, 5, 7, 8,10,11,11,10, 8, 7, 5, 4, 2, 1,
- 0, 1, 1, 2, 2, 3, 3, 4, 4, 3, 3, 2, 2, 1, 1, 0,
- //error:0.000015
- };
- #else //64*cos
- static const uint8_t obmc32[1024]={
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0,
- 0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 9,10,11,11,12,12,12,12,11,11,10, 9, 7, 6, 5, 4, 3, 2, 1, 1, 0, 0,
- 0, 0, 1, 2, 3, 5, 6, 8, 9,11,12,14,15,16,17,17,17,17,16,15,14,12,11, 9, 8, 6, 5, 3, 2, 1, 0, 0,
- 0, 1, 1, 2, 4, 6, 8,10,12,15,17,19,20,21,22,23,23,22,21,20,19,17,15,12,10, 8, 6, 4, 2, 1, 1, 0,
- 0, 1, 2, 3, 5, 8,10,13,16,19,21,24,26,27,28,29,29,28,27,26,24,21,19,16,13,10, 8, 5, 3, 2, 1, 0,
- 0, 1, 2, 4, 6, 9,12,16,19,23,26,29,31,33,34,35,35,34,33,31,29,26,23,19,16,12, 9, 6, 4, 2, 1, 0,
- 0, 1, 3, 5, 7,11,15,19,23,26,30,34,37,39,40,41,41,40,39,37,34,30,26,23,19,15,11, 7, 5, 3, 1, 0,
- 0, 1, 3, 5, 9,12,17,21,26,30,35,38,42,44,46,47,47,46,44,42,38,35,30,26,21,17,12, 9, 5, 3, 1, 0,
- 0, 1, 3, 6, 9,14,19,24,29,34,38,43,46,49,51,52,52,51,49,46,43,38,34,29,24,19,14, 9, 6, 3, 1, 0,
- 0, 1, 3, 6,11,15,20,26,31,37,42,46,50,53,56,57,57,56,53,50,46,42,37,31,26,20,15,11, 6, 3, 1, 0,
- 0, 1, 3, 7,11,16,21,27,33,39,44,49,53,57,59,60,60,59,57,53,49,44,39,33,27,21,16,11, 7, 3, 1, 0,
- 0, 1, 4, 7,12,17,22,28,34,40,46,51,56,59,61,63,63,61,59,56,51,46,40,34,28,22,17,12, 7, 4, 1, 0,
- 0, 1, 4, 7,12,17,23,29,35,41,47,52,57,60,63,64,64,63,60,57,52,47,41,35,29,23,17,12, 7, 4, 1, 0,
- 0, 1, 4, 7,12,17,23,29,35,41,47,52,57,60,63,64,64,63,60,57,52,47,41,35,29,23,17,12, 7, 4, 1, 0,
- 0, 1, 4, 7,12,17,22,28,34,40,46,51,56,59,61,63,63,61,59,56,51,46,40,34,28,22,17,12, 7, 4, 1, 0,
- 0, 1, 3, 7,11,16,21,27,33,39,44,49,53,57,59,60,60,59,57,53,49,44,39,33,27,21,16,11, 7, 3, 1, 0,
- 0, 1, 3, 6,11,15,20,26,31,37,42,46,50,53,56,57,57,56,53,50,46,42,37,31,26,20,15,11, 6, 3, 1, 0,
- 0, 1, 3, 6, 9,14,19,24,29,34,38,43,46,49,51,52,52,51,49,46,43,38,34,29,24,19,14, 9, 6, 3, 1, 0,
- 0, 1, 3, 5, 9,12,17,21,26,30,35,38,42,44,46,47,47,46,44,42,38,35,30,26,21,17,12, 9, 5, 3, 1, 0,
- 0, 1, 3, 5, 7,11,15,19,23,26,30,34,37,39,40,41,41,40,39,37,34,30,26,23,19,15,11, 7, 5, 3, 1, 0,
- 0, 1, 2, 4, 6, 9,12,16,19,23,26,29,31,33,34,35,35,34,33,31,29,26,23,19,16,12, 9, 6, 4, 2, 1, 0,
- 0, 1, 2, 3, 5, 8,10,13,16,19,21,24,26,27,28,29,29,28,27,26,24,21,19,16,13,10, 8, 5, 3, 2, 1, 0,
- 0, 1, 1, 2, 4, 6, 8,10,12,15,17,19,20,21,22,23,23,22,21,20,19,17,15,12,10, 8, 6, 4, 2, 1, 1, 0,
- 0, 0, 1, 2, 3, 5, 6, 8, 9,11,12,14,15,16,17,17,17,17,16,15,14,12,11, 9, 8, 6, 5, 3, 2, 1, 0, 0,
- 0, 0, 1, 1, 2, 3, 4, 5, 6, 7, 9,10,11,11,12,12,12,12,11,11,10, 9, 7, 6, 5, 4, 3, 2, 1, 1, 0, 0,
- 0, 0, 1, 1, 1, 2, 2, 3, 4, 5, 5, 6, 7, 7, 7, 7, 7, 7, 7, 7, 6, 5, 5, 4, 3, 2, 2, 1, 1, 1, 0, 0,
- 0, 0, 0, 1, 1, 1, 1, 2, 2, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 2, 1, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, 0,
- 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
- //error:0.000022
- };
- static const uint8_t obmc16[256]={
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
- 0, 0, 1, 2, 3, 4, 5, 5, 5, 5, 4, 3, 2, 1, 0, 0,
- 0, 1, 3, 6, 8,11,13,14,14,13,11, 8, 6, 3, 1, 0,
- 0, 2, 6,10,15,20,24,26,26,24,20,15,10, 6, 2, 0,
- 0, 3, 8,16,23,30,35,38,38,35,30,23,16, 8, 3, 0,
- 1, 4,11,20,30,39,46,49,49,46,39,30,20,11, 4, 1,
- 1, 5,13,24,35,46,54,58,58,54,46,35,24,13, 5, 1,
- 0, 5,14,26,38,49,58,63,63,58,49,38,26,14, 5, 0,
- 0, 5,14,26,38,49,58,63,63,58,49,38,26,14, 5, 0,
- 1, 5,13,24,35,46,54,58,58,54,46,35,24,13, 5, 1,
- 1, 4,11,20,30,39,46,49,49,46,39,30,20,11, 4, 1,
- 0, 3, 8,16,23,30,35,38,38,35,30,23,16, 8, 3, 0,
- 0, 2, 6,10,15,20,24,26,26,24,20,15,10, 6, 2, 0,
- 0, 1, 3, 6, 8,11,13,14,14,13,11, 8, 6, 3, 1, 0,
- 0, 0, 1, 2, 3, 4, 5, 5, 5, 5, 4, 3, 2, 1, 0, 0,
- 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0,
- //error:0.000022
- };
- #endif
- //linear *64
- static const uint8_t obmc8[64]={
- 1, 3, 5, 7, 7, 5, 3, 1,
- 3, 9,15,21,21,15, 9, 3,
- 5,15,25,35,35,25,15, 5,
- 7,21,35,49,49,35,21, 7,
- 7,21,35,49,49,35,21, 7,
- 5,15,25,35,35,25,15, 5,
- 3, 9,15,21,21,15, 9, 3,
- 1, 3, 5, 7, 7, 5, 3, 1,
- //error:0.000000
- };
- //linear *64
- static const uint8_t obmc4[16]={
- 4,12,12, 4,
- 12,36,36,12,
- 12,36,36,12,
- 4,12,12, 4,
- //error:0.000000
- };
- static const uint8_t *obmc_tab[4]={
- obmc32, obmc16, obmc8, obmc4
- };
- typedef struct BlockNode{
- int16_t mx;
- int16_t my;
- uint8_t color[3];
- uint8_t type;
- //#define TYPE_SPLIT 1
- #define BLOCK_INTRA 1
- //#define TYPE_NOCOLOR 4
- uint8_t level; //FIXME merge into type?
- }BlockNode;
- #define LOG2_MB_SIZE 4
- #define MB_SIZE (1<<LOG2_MB_SIZE)
- typedef struct x_and_coeff{
- int16_t x;
- uint16_t coeff;
- } x_and_coeff;
- typedef struct SubBand{
- int level;
- int stride;
- int width;
- int height;
- int qlog; ///< log(qscale)/log[2^(1/6)]
- DWTELEM *buf;
- int buf_x_offset;
- int buf_y_offset;
- int stride_line; ///< Stride measured in lines, not pixels.
- x_and_coeff * x_coeff;
- struct SubBand *parent;
- uint8_t state[/*7*2*/ 7 + 512][32];
- }SubBand;
- typedef struct Plane{
- int width;
- int height;
- SubBand band[MAX_DECOMPOSITIONS][4];
- }Plane;
- /** Used to minimize the amount of memory used in order to optimize cache performance. **/
- typedef struct {
- DWTELEM * * line; ///< For use by idwt and predict_slices.
- DWTELEM * * data_stack; ///< Used for internal purposes.
- int data_stack_top;
- int line_count;
- int line_width;
- int data_count;
- DWTELEM * base_buffer; ///< Buffer that this structure is caching.
- } slice_buffer;
- typedef struct SnowContext{
- // MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
- AVCodecContext *avctx;
- RangeCoder c;
- DSPContext dsp;
- AVFrame input_picture;
- AVFrame current_picture;
- AVFrame last_picture;
- AVFrame mconly_picture;
- // uint8_t q_context[16];
- uint8_t header_state[32];
- uint8_t block_state[128 + 32*128];
- int keyframe;
- int always_reset;
- int version;
- int spatial_decomposition_type;
- int temporal_decomposition_type;
- int spatial_decomposition_count;
- int temporal_decomposition_count;
- DWTELEM *spatial_dwt_buffer;
- int colorspace_type;
- int chroma_h_shift;
- int chroma_v_shift;
- int spatial_scalability;
- int qlog;
- int lambda;
- int lambda2;
- int mv_scale;
- int qbias;
- #define QBIAS_SHIFT 3
- int b_width;
- int b_height;
- int block_max_depth;
- Plane plane[MAX_PLANES];
- BlockNode *block;
- slice_buffer sb;
- MpegEncContext m; // needed for motion estimation, should not be used for anything else, the idea is to make the motion estimation eventually independant of MpegEncContext, so this will be removed then (FIXME/XXX)
- }SnowContext;
- typedef struct {
- DWTELEM *b0;
- DWTELEM *b1;
- DWTELEM *b2;
- DWTELEM *b3;
- int y;
- } dwt_compose_t;
- #define slice_buffer_get_line(slice_buf, line_num) ((slice_buf)->line[line_num] ? (slice_buf)->line[line_num] : slice_buffer_load_line((slice_buf), (line_num)))
- //#define slice_buffer_get_line(slice_buf, line_num) (slice_buffer_load_line((slice_buf), (line_num)))
- static void slice_buffer_init(slice_buffer * buf, int line_count, int max_allocated_lines, int line_width, DWTELEM * base_buffer)
- {
- int i;
- buf->base_buffer = base_buffer;
- buf->line_count = line_count;
- buf->line_width = line_width;
- buf->data_count = max_allocated_lines;
- buf->line = (DWTELEM * *) av_mallocz (sizeof(DWTELEM *) * line_count);
- buf->data_stack = (DWTELEM * *) av_malloc (sizeof(DWTELEM *) * max_allocated_lines);
- for (i = 0; i < max_allocated_lines; i++)
- {
- buf->data_stack[i] = (DWTELEM *) av_malloc (sizeof(DWTELEM) * line_width);
- }
- buf->data_stack_top = max_allocated_lines - 1;
- }
- static DWTELEM * slice_buffer_load_line(slice_buffer * buf, int line)
- {
- int i;
- int offset;
- DWTELEM * buffer;
- // av_log(NULL, AV_LOG_DEBUG, "Cache hit: %dn", line);
- assert(buf->data_stack_top >= 0);
- // assert(!buf->line[line]);
- if (buf->line[line])
- return buf->line[line];
- offset = buf->line_width * line;
- buffer = buf->data_stack[buf->data_stack_top];
- buf->data_stack_top--;
- buf->line[line] = buffer;
- // av_log(NULL, AV_LOG_DEBUG, "slice_buffer_load_line: line: %d remaining: %dn", line, buf->data_stack_top + 1);
- return buffer;
- }
- static void slice_buffer_release(slice_buffer * buf, int line)
- {
- int i;
- int offset;
- DWTELEM * buffer;
- assert(line >= 0 && line < buf->line_count);
- assert(buf->line[line]);
- offset = buf->line_width * line;
- buffer = buf->line[line];
- buf->data_stack_top++;
- buf->data_stack[buf->data_stack_top] = buffer;
- buf->line[line] = NULL;
- // av_log(NULL, AV_LOG_DEBUG, "slice_buffer_release: line: %d remaining: %dn", line, buf->data_stack_top + 1);
- }
- static void slice_buffer_flush(slice_buffer * buf)
- {
- int i;
- for (i = 0; i < buf->line_count; i++)
- {
- if (buf->line[i])
- {
- // av_log(NULL, AV_LOG_DEBUG, "slice_buffer_flush: line: %d n", i);
- slice_buffer_release(buf, i);
- }
- }
- }
- static void slice_buffer_destroy(slice_buffer * buf)
- {
- int i;
- slice_buffer_flush(buf);
- for (i = buf->data_count - 1; i >= 0; i--)
- {
- assert(buf->data_stack[i]);
- av_free(buf->data_stack[i]);
- }
- assert(buf->data_stack);
- av_free(buf->data_stack);
- assert(buf->line);
- av_free(buf->line);
- }
- #ifdef __sgi
- // Avoid a name clash on SGI IRIX
- #undef qexp
- #endif
- #define QEXPSHIFT (7-FRAC_BITS+8) //FIXME try to change this to 0
- static uint8_t qexp[QROOT];
- static inline int mirror(int v, int m){
- if (v<0) return -v;
- else if(v>m) return 2*m-v;
- else return v;
- }
- static inline void put_symbol(RangeCoder *c, uint8_t *state, int v, int is_signed){
- int i;
- if(v){
- const int a= ABS(v);
- const int e= av_log2(a);
- #if 1
- const int el= FFMIN(e, 10);
- put_rac(c, state+0, 0);
- for(i=0; i<el; i++){
- put_rac(c, state+1+i, 1); //1..10
- }
- for(; i<e; i++){
- put_rac(c, state+1+9, 1); //1..10
- }
- put_rac(c, state+1+FFMIN(i,9), 0);
- for(i=e-1; i>=el; i--){
- put_rac(c, state+22+9, (a>>i)&1); //22..31
- }
- for(; i>=0; i--){
- put_rac(c, state+22+i, (a>>i)&1); //22..31
- }
- if(is_signed)
- put_rac(c, state+11 + el, v < 0); //11..21
- #else
- put_rac(c, state+0, 0);
- if(e<=9){
- for(i=0; i<e; i++){
- put_rac(c, state+1+i, 1); //1..10
- }
- put_rac(c, state+1+i, 0);
- for(i=e-1; i>=0; i--){
- put_rac(c, state+22+i, (a>>i)&1); //22..31
- }
- if(is_signed)
- put_rac(c, state+11 + e, v < 0); //11..21
- }else{
- for(i=0; i<e; i++){
- put_rac(c, state+1+FFMIN(i,9), 1); //1..10
- }
- put_rac(c, state+1+FFMIN(i,9), 0);
- for(i=e-1; i>=0; i--){
- put_rac(c, state+22+FFMIN(i,9), (a>>i)&1); //22..31
- }
- if(is_signed)
- put_rac(c, state+11 + FFMIN(e,10), v < 0); //11..21
- }
- #endif
- }else{
- put_rac(c, state+0, 1);
- }
- }
- static inline int get_symbol(RangeCoder *c, uint8_t *state, int is_signed){
- if(get_rac(c, state+0))
- return 0;
- else{
- int i, e, a;
- e= 0;
- while(get_rac(c, state+1 + FFMIN(e,9))){ //1..10
- e++;
- }
- a= 1;
- for(i=e-1; i>=0; i--){
- a += a + get_rac(c, state+22 + FFMIN(i,9)); //22..31
- }
- if(is_signed && get_rac(c, state+11 + FFMIN(e,10))) //11..21
- return -a;
- else
- return a;
- }
- }
- static inline void put_symbol2(RangeCoder *c, uint8_t *state, int v, int log2){
- int i;
- int r= log2>=0 ? 1<<log2 : 1;
- assert(v>=0);
- assert(log2>=-4);
- while(v >= r){
- put_rac(c, state+4+log2, 1);
- v -= r;
- log2++;
- if(log2>0) r+=r;
- }
- put_rac(c, state+4+log2, 0);
- for(i=log2-1; i>=0; i--){
- put_rac(c, state+31-i, (v>>i)&1);
- }
- }
- static inline int get_symbol2(RangeCoder *c, uint8_t *state, int log2){
- int i;
- int r= log2>=0 ? 1<<log2 : 1;
- int v=0;
- assert(log2>=-4);
- while(get_rac(c, state+4+log2)){
- v+= r;
- log2++;
- if(log2>0) r+=r;
- }
- for(i=log2-1; i>=0; i--){
- v+= get_rac(c, state+31-i)<<i;
- }
- return v;
- }
- static always_inline void lift(DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse){
- const int mirror_left= !highpass;
- const int mirror_right= (width&1) ^ highpass;
- const int w= (width>>1) - 1 + (highpass & width);
- int i;
- #define LIFT(src, ref, inv) ((src) + ((inv) ? - (ref) : + (ref)))
- if(mirror_left){
- dst[0] = LIFT(src[0], ((mul*2*ref[0]+add)>>shift), inverse);
- dst += dst_step;
- src += src_step;
- }
- for(i=0; i<w; i++){
- dst[i*dst_step] = LIFT(src[i*src_step], ((mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add)>>shift), inverse);
- }
- if(mirror_right){
- dst[w*dst_step] = LIFT(src[w*src_step], ((mul*2*ref[w*ref_step]+add)>>shift), inverse);
- }
- }
- static always_inline void lift5(DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse){
- const int mirror_left= !highpass;
- const int mirror_right= (width&1) ^ highpass;
- const int w= (width>>1) - 1 + (highpass & width);
- int i;
- if(mirror_left){
- int r= 3*2*ref[0];
- r += r>>4;
- r += r>>8;
- dst[0] = LIFT(src[0], ((r+add)>>shift), inverse);
- dst += dst_step;
- src += src_step;
- }
- for(i=0; i<w; i++){
- int r= 3*(ref[i*ref_step] + ref[(i+1)*ref_step]);
- r += r>>4;
- r += r>>8;
- dst[i*dst_step] = LIFT(src[i*src_step], ((r+add)>>shift), inverse);
- }
- if(mirror_right){
- int r= 3*2*ref[w*ref_step];
- r += r>>4;
- r += r>>8;
- dst[w*dst_step] = LIFT(src[w*src_step], ((r+add)>>shift), inverse);
- }
- }
- static always_inline void liftS(DWTELEM *dst, DWTELEM *src, DWTELEM *ref, int dst_step, int src_step, int ref_step, int width, int mul, int add, int shift, int highpass, int inverse){
- const int mirror_left= !highpass;
- const int mirror_right= (width&1) ^ highpass;
- const int w= (width>>1) - 1 + (highpass & width);
- int i;
- assert(shift == 4);
- #define LIFTS(src, ref, inv) ((inv) ? (src) - (((ref) - 4*(src))>>shift): (16*4*(src) + 4*(ref) + 8 + (5<<27))/(5*16) - (1<<23))
- if(mirror_left){
- dst[0] = LIFTS(src[0], mul*2*ref[0]+add, inverse);
- dst += dst_step;
- src += src_step;
- }
- for(i=0; i<w; i++){
- dst[i*dst_step] = LIFTS(src[i*src_step], mul*(ref[i*ref_step] + ref[(i+1)*ref_step])+add, inverse);
- }
- if(mirror_right){
- dst[w*dst_step] = LIFTS(src[w*src_step], mul*2*ref[w*ref_step]+add, inverse);
- }
- }
- static void inplace_lift(DWTELEM *dst, int width, int *coeffs, int n, int shift, int start, int inverse){
- int x, i;
- for(x=start; x<width; x+=2){
- int64_t sum=0;
- for(i=0; i<n; i++){
- int x2= x + 2*i - n + 1;
- if (x2< 0) x2= -x2;
- else if(x2>=width) x2= 2*width-x2-2;
- sum += coeffs[i]*(int64_t)dst[x2];
- }
- if(inverse) dst[x] -= (sum + (1<<shift)/2)>>shift;
- else dst[x] += (sum + (1<<shift)/2)>>shift;
- }
- }
- static void inplace_liftV(DWTELEM *dst, int width, int height, int stride, int *coeffs, int n, int shift, int start, int inverse){
- int x, y, i;
- for(y=start; y<height; y+=2){
- for(x=0; x<width; x++){
- int64_t sum=0;
- for(i=0; i<n; i++){
- int y2= y + 2*i - n + 1;
- if (y2< 0) y2= -y2;
- else if(y2>=height) y2= 2*height-y2-2;
- sum += coeffs[i]*(int64_t)dst[x + y2*stride];
- }
- if(inverse) dst[x + y*stride] -= (sum + (1<<shift)/2)>>shift;
- else dst[x + y*stride] += (sum + (1<<shift)/2)>>shift;
- }
- }
- }
- #define SCALEX 1
- #define LX0 0
- #define LX1 1
- #if 0 // more accurate 9/7
- #define N1 2
- #define SHIFT1 14
- #define COEFFS1 (int[]){-25987,-25987}
- #define N2 2
- #define SHIFT2 19
- #define COEFFS2 (int[]){-27777,-27777}
- #define N3 2
- #define SHIFT3 15
- #define COEFFS3 (int[]){28931,28931}
- #define N4 2
- #define SHIFT4 15
- #define COEFFS4 (int[]){14533,14533}
- #elif 1 // 13/7 CRF
- #define N1 4
- #define SHIFT1 4
- #define COEFFS1 (int[]){1,-9,-9,1}
- #define N2 4
- #define SHIFT2 4
- #define COEFFS2 (int[]){-1,5,5,-1}
- #define N3 0
- #define SHIFT3 1
- #define COEFFS3 NULL
- #define N4 0
- #define SHIFT4 1
- #define COEFFS4 NULL
- #elif 1 // 3/5
- #define LX0 1
- #define LX1 0
- #define SCALEX 0.5
- #define N1 2
- #define SHIFT1 1
- #define COEFFS1 (int[]){1,1}
- #define N2 2
- #define SHIFT2 2
- #define COEFFS2 (int[]){-1,-1}
- #define N3 0
- #define SHIFT3 0
- #define COEFFS3 NULL
- #define N4 0
- #define SHIFT4 0
- #define COEFFS4 NULL
- #elif 1 // 11/5
- #define N1 0
- #define SHIFT1 1
- #define COEFFS1 NULL
- #define N2 2
- #define SHIFT2 2
- #define COEFFS2 (int[]){-1,-1}
- #define N3 2
- #define SHIFT3 0
- #define COEFFS3 (int[]){-1,-1}
- #define N4 4
- #define SHIFT4 7
- #define COEFFS4 (int[]){-5,29,29,-5}
- #define SCALEX 4
- #elif 1 // 9/7 CDF
- #define N1 2
- #define SHIFT1 7
- #define COEFFS1 (int[]){-203,-203}
- #define N2 2
- #define SHIFT2 12
- #define COEFFS2 (int[]){-217,-217}
- #define N3 2
- #define SHIFT3 7
- #define COEFFS3 (int[]){113,113}
- #define N4 2
- #define SHIFT4 9
- #define COEFFS4 (int[]){227,227}
- #define SCALEX 1
- #elif 1 // 7/5 CDF
- #define N1 0
- #define SHIFT1 1
- #define COEFFS1 NULL
- #define N2 2
- #define SHIFT2 2
- #define COEFFS2 (int[]){-1,-1}
- #define N3 2
- #define SHIFT3 0
- #define COEFFS3 (int[]){-1,-1}
- #define N4 2
- #define SHIFT4 4
- #define COEFFS4 (int[]){3,3}
- #elif 1 // 9/7 MN
- #define N1 4
- #define SHIFT1 4
- #define COEFFS1 (int[]){1,-9,-9,1}
- #define N2 2
- #define SHIFT2 2
- #define COEFFS2 (int[]){1,1}
- #define N3 0
- #define SHIFT3 1
- #define COEFFS3 NULL
- #define N4 0
- #define SHIFT4 1
- #define COEFFS4 NULL
- #else // 13/7 CRF
- #define N1 4
- #define SHIFT1 4
- #define COEFFS1 (int[]){1,-9,-9,1}
- #define N2 4
- #define SHIFT2 4
- #define COEFFS2 (int[]){-1,5,5,-1}
- #define N3 0
- #define SHIFT3 1
- #define COEFFS3 NULL
- #define N4 0
- #define SHIFT4 1
- #define COEFFS4 NULL
- #endif
- static void horizontal_decomposeX(DWTELEM *b, int width){
- DWTELEM temp[width];
- const int width2= width>>1;
- const int w2= (width+1)>>1;
- int A1,A2,A3,A4, x;
- inplace_lift(b, width, COEFFS1, N1, SHIFT1, LX1, 0);
- inplace_lift(b, width, COEFFS2, N2, SHIFT2, LX0, 0);
- inplace_lift(b, width, COEFFS3, N3, SHIFT3, LX1, 0);
- inplace_lift(b, width, COEFFS4, N4, SHIFT4, LX0, 0);
- for(x=0; x<width2; x++){
- temp[x ]= b[2*x ];
- temp[x+w2]= b[2*x + 1];
- }
- if(width&1)
- temp[x ]= b[2*x ];
- memcpy(b, temp, width*sizeof(int));
- }
- static void horizontal_composeX(DWTELEM *b, int width){
- DWTELEM temp[width];
- const int width2= width>>1;
- int A1,A2,A3,A4, x;
- const int w2= (width+1)>>1;
- memcpy(temp, b, width*sizeof(int));
- for(x=0; x<width2; x++){
- b[2*x ]= temp[x ];
- b[2*x + 1]= temp[x+w2];
- }
- if(width&1)
- b[2*x ]= temp[x ];
- inplace_lift(b, width, COEFFS4, N4, SHIFT4, LX0, 1);
- inplace_lift(b, width, COEFFS3, N3, SHIFT3, LX1, 1);
- inplace_lift(b, width, COEFFS2, N2, SHIFT2, LX0, 1);
- inplace_lift(b, width, COEFFS1, N1, SHIFT1, LX1, 1);
- }
- static void spatial_decomposeX(DWTELEM *buffer, int width, int height, int stride){
- int x, y;
- for(y=0; y<height; y++){
- for(x=0; x<width; x++){
- buffer[y*stride + x] *= SCALEX;
- }
- }
- for(y=0; y<height; y++){
- horizontal_decomposeX(buffer + y*stride, width);
- }
- inplace_liftV(buffer, width, height, stride, COEFFS1, N1, SHIFT1, LX1, 0);
- inplace_liftV(buffer, width, height, stride, COEFFS2, N2, SHIFT2, LX0, 0);
- inplace_liftV(buffer, width, height, stride, COEFFS3, N3, SHIFT3, LX1, 0);
- inplace_liftV(buffer, width, height, stride, COEFFS4, N4, SHIFT4, LX0, 0);
- }
- static void spatial_composeX(DWTELEM *buffer, int width, int height, int stride){
- int x, y;
- inplace_liftV(buffer, width, height, stride, COEFFS4, N4, SHIFT4, LX0, 1);
- inplace_liftV(buffer, width, height, stride, COEFFS3, N3, SHIFT3, LX1, 1);
- inplace_liftV(buffer, width, height, stride, COEFFS2, N2, SHIFT2, LX0, 1);
- inplace_liftV(buffer, width, height, stride, COEFFS1, N1, SHIFT1, LX1, 1);
- for(y=0; y<height; y++){
- horizontal_composeX(buffer + y*stride, width);
- }
- for(y=0; y<height; y++){
- for(x=0; x<width; x++){
- buffer[y*stride + x] /= SCALEX;
- }
- }
- }
- static void horizontal_decompose53i(DWTELEM *b, int width){
- DWTELEM temp[width];
- const int width2= width>>1;
- int A1,A2,A3,A4, x;
- const int w2= (width+1)>>1;
- for(x=0; x<width2; x++){
- temp[x ]= b[2*x ];
- temp[x+w2]= b[2*x + 1];
- }
- if(width&1)
- temp[x ]= b[2*x ];
- #if 0
- A2= temp[1 ];
- A4= temp[0 ];
- A1= temp[0+width2];
- A1 -= (A2 + A4)>>1;
- A4 += (A1 + 1)>>1;
- b[0+width2] = A1;
- b[0 ] = A4;
- for(x=1; x+1<width2; x+=2){
- A3= temp[x+width2];
- A4= temp[x+1 ];
- A3 -= (A2 + A4)>>1;
- A2 += (A1 + A3 + 2)>>2;
- b[x+width2] = A3;
- b[x ] = A2;
- A1= temp[x+1+width2];
- A2= temp[x+2 ];
- A1 -= (A2 + A4)>>1;
- A4 += (A1 + A3 + 2)>>2;
- b[x+1+width2] = A1;
- b[x+1 ] = A4;
- }
- A3= temp[width-1];
- A3 -= A2;
- A2 += (A1 + A3 + 2)>>2;
- b[width -1] = A3;
- b[width2-1] = A2;
- #else
- lift(b+w2, temp+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 0);
- lift(b , temp , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 0);
- #endif
- }
- static void vertical_decompose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- b1[i] -= (b0[i] + b2[i])>>1;
- }
- }
- static void vertical_decompose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- b1[i] += (b0[i] + b2[i] + 2)>>2;
- }
- }
- static void spatial_decompose53i(DWTELEM *buffer, int width, int height, int stride){
- int y;
- DWTELEM *b0= buffer + mirror(-2-1, height-1)*stride;
- DWTELEM *b1= buffer + mirror(-2 , height-1)*stride;
- for(y=-2; y<height; y+=2){
- DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
- DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
- {START_TIMER
- if(b1 <= b3) horizontal_decompose53i(b2, width);
- if(y+2 < height) horizontal_decompose53i(b3, width);
- STOP_TIMER("horizontal_decompose53i")}
- {START_TIMER
- if(b1 <= b3) vertical_decompose53iH0(b1, b2, b3, width);
- if(b0 <= b2) vertical_decompose53iL0(b0, b1, b2, width);
- STOP_TIMER("vertical_decompose53i*")}
- b0=b2;
- b1=b3;
- }
- }
- #define liftS lift
- #define lift5 lift
- #if 1
- #define W_AM 3
- #define W_AO 0
- #define W_AS 1
- #undef liftS
- #define W_BM 1
- #define W_BO 8
- #define W_BS 4
- #define W_CM 1
- #define W_CO 0
- #define W_CS 0
- #define W_DM 3
- #define W_DO 4
- #define W_DS 3
- #elif 0
- #define W_AM 55
- #define W_AO 16
- #define W_AS 5
- #define W_BM 3
- #define W_BO 32
- #define W_BS 6
- #define W_CM 127
- #define W_CO 64
- #define W_CS 7
- #define W_DM 7
- #define W_DO 8
- #define W_DS 4
- #elif 0
- #define W_AM 97
- #define W_AO 32
- #define W_AS 6
- #define W_BM 63
- #define W_BO 512
- #define W_BS 10
- #define W_CM 13
- #define W_CO 8
- #define W_CS 4
- #define W_DM 15
- #define W_DO 16
- #define W_DS 5
- #else
- #define W_AM 203
- #define W_AO 64
- #define W_AS 7
- #define W_BM 217
- #define W_BO 2048
- #define W_BS 12
- #define W_CM 113
- #define W_CO 64
- #define W_CS 7
- #define W_DM 227
- #define W_DO 128
- #define W_DS 9
- #endif
- static void horizontal_decompose97i(DWTELEM *b, int width){
- DWTELEM temp[width];
- const int w2= (width+1)>>1;
- lift (temp+w2, b +1, b , 1, 2, 2, width, -W_AM, W_AO, W_AS, 1, 0);
- liftS(temp , b , temp+w2, 1, 2, 1, width, -W_BM, W_BO, W_BS, 0, 0);
- lift5(b +w2, temp+w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 0);
- lift (b , temp , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 0);
- }
- static void vertical_decompose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- b1[i] -= (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
- }
- }
- static void vertical_decompose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- #ifdef lift5
- b1[i] += (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
- #else
- int r= 3*(b0[i] + b2[i]);
- r+= r>>4;
- r+= r>>8;
- b1[i] += (r+W_CO)>>W_CS;
- #endif
- }
- }
- static void vertical_decompose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- #ifdef liftS
- b1[i] -= (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
- #else
- b1[i] = (16*4*b1[i] - 4*(b0[i] + b2[i]) + 8*5 + (5<<27)) / (5*16) - (1<<23);
- #endif
- }
- }
- static void vertical_decompose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- b1[i] += (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
- }
- }
- static void spatial_decompose97i(DWTELEM *buffer, int width, int height, int stride){
- int y;
- DWTELEM *b0= buffer + mirror(-4-1, height-1)*stride;
- DWTELEM *b1= buffer + mirror(-4 , height-1)*stride;
- DWTELEM *b2= buffer + mirror(-4+1, height-1)*stride;
- DWTELEM *b3= buffer + mirror(-4+2, height-1)*stride;
- for(y=-4; y<height; y+=2){
- DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
- DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
- {START_TIMER
- if(b3 <= b5) horizontal_decompose97i(b4, width);
- if(y+4 < height) horizontal_decompose97i(b5, width);
- if(width>400){
- STOP_TIMER("horizontal_decompose97i")
- }}
- {START_TIMER
- if(b3 <= b5) vertical_decompose97iH0(b3, b4, b5, width);
- if(b2 <= b4) vertical_decompose97iL0(b2, b3, b4, width);
- if(b1 <= b3) vertical_decompose97iH1(b1, b2, b3, width);
- if(b0 <= b2) vertical_decompose97iL1(b0, b1, b2, width);
- if(width>400){
- STOP_TIMER("vertical_decompose97i")
- }}
- b0=b2;
- b1=b3;
- b2=b4;
- b3=b5;
- }
- }
- void ff_spatial_dwt(DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
- int level;
- for(level=0; level<decomposition_count; level++){
- switch(type){
- case 0: spatial_decompose97i(buffer, width>>level, height>>level, stride<<level); break;
- case 1: spatial_decompose53i(buffer, width>>level, height>>level, stride<<level); break;
- case 2: spatial_decomposeX (buffer, width>>level, height>>level, stride<<level); break;
- }
- }
- }
- static void horizontal_compose53i(DWTELEM *b, int width){
- DWTELEM temp[width];
- const int width2= width>>1;
- const int w2= (width+1)>>1;
- int A1,A2,A3,A4, x;
- #if 0
- A2= temp[1 ];
- A4= temp[0 ];
- A1= temp[0+width2];
- A1 -= (A2 + A4)>>1;
- A4 += (A1 + 1)>>1;
- b[0+width2] = A1;
- b[0 ] = A4;
- for(x=1; x+1<width2; x+=2){
- A3= temp[x+width2];
- A4= temp[x+1 ];
- A3 -= (A2 + A4)>>1;
- A2 += (A1 + A3 + 2)>>2;
- b[x+width2] = A3;
- b[x ] = A2;
- A1= temp[x+1+width2];
- A2= temp[x+2 ];
- A1 -= (A2 + A4)>>1;
- A4 += (A1 + A3 + 2)>>2;
- b[x+1+width2] = A1;
- b[x+1 ] = A4;
- }
- A3= temp[width-1];
- A3 -= A2;
- A2 += (A1 + A3 + 2)>>2;
- b[width -1] = A3;
- b[width2-1] = A2;
- #else
- lift(temp , b , b+w2, 1, 1, 1, width, 1, 2, 2, 0, 1);
- lift(temp+w2, b+w2, temp, 1, 1, 1, width, -1, 0, 1, 1, 1);
- #endif
- for(x=0; x<width2; x++){
- b[2*x ]= temp[x ];
- b[2*x + 1]= temp[x+w2];
- }
- if(width&1)
- b[2*x ]= temp[x ];
- }
- static void vertical_compose53iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- b1[i] += (b0[i] + b2[i])>>1;
- }
- }
- static void vertical_compose53iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- b1[i] -= (b0[i] + b2[i] + 2)>>2;
- }
- }
- static void spatial_compose53i_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int height, int stride_line){
- cs->b0 = slice_buffer_get_line(sb, mirror(-1-1, height-1) * stride_line);
- cs->b1 = slice_buffer_get_line(sb, mirror(-1 , height-1) * stride_line);
- cs->y = -1;
- }
- static void spatial_compose53i_init(dwt_compose_t *cs, DWTELEM *buffer, int height, int stride){
- cs->b0 = buffer + mirror(-1-1, height-1)*stride;
- cs->b1 = buffer + mirror(-1 , height-1)*stride;
- cs->y = -1;
- }
- static void spatial_compose53i_dy_buffered(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line){
- int y= cs->y;
- int mirror0 = mirror(y-1, height-1);
- int mirror1 = mirror(y , height-1);
- int mirror2 = mirror(y+1, height-1);
- int mirror3 = mirror(y+2, height-1);
- DWTELEM *b0= cs->b0;
- DWTELEM *b1= cs->b1;
- DWTELEM *b2= slice_buffer_get_line(sb, mirror2 * stride_line);
- DWTELEM *b3= slice_buffer_get_line(sb, mirror3 * stride_line);
- {START_TIMER
- if(mirror1 <= mirror3) vertical_compose53iL0(b1, b2, b3, width);
- if(mirror0 <= mirror2) vertical_compose53iH0(b0, b1, b2, width);
- STOP_TIMER("vertical_compose53i*")}
- {START_TIMER
- if(y-1 >= 0) horizontal_compose53i(b0, width);
- if(mirror0 <= mirror2) horizontal_compose53i(b1, width);
- STOP_TIMER("horizontal_compose53i")}
- cs->b0 = b2;
- cs->b1 = b3;
- cs->y += 2;
- }
- static void spatial_compose53i_dy(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride){
- int y= cs->y;
- DWTELEM *b0= cs->b0;
- DWTELEM *b1= cs->b1;
- DWTELEM *b2= buffer + mirror(y+1, height-1)*stride;
- DWTELEM *b3= buffer + mirror(y+2, height-1)*stride;
- {START_TIMER
- if(b1 <= b3) vertical_compose53iL0(b1, b2, b3, width);
- if(b0 <= b2) vertical_compose53iH0(b0, b1, b2, width);
- STOP_TIMER("vertical_compose53i*")}
- {START_TIMER
- if(y-1 >= 0) horizontal_compose53i(b0, width);
- if(b0 <= b2) horizontal_compose53i(b1, width);
- STOP_TIMER("horizontal_compose53i")}
- cs->b0 = b2;
- cs->b1 = b3;
- cs->y += 2;
- }
- static void spatial_compose53i(DWTELEM *buffer, int width, int height, int stride){
- dwt_compose_t cs;
- spatial_compose53i_init(&cs, buffer, height, stride);
- while(cs.y <= height)
- spatial_compose53i_dy(&cs, buffer, width, height, stride);
- }
- static void horizontal_compose97i(DWTELEM *b, int width){
- DWTELEM temp[width];
- const int w2= (width+1)>>1;
- lift (temp , b , b +w2, 1, 1, 1, width, W_DM, W_DO, W_DS, 0, 1);
- lift5(temp+w2, b +w2, temp , 1, 1, 1, width, W_CM, W_CO, W_CS, 1, 1);
- liftS(b , temp , temp+w2, 2, 1, 1, width, -W_BM, W_BO, W_BS, 0, 1);
- lift (b+1 , temp+w2, b , 2, 1, 2, width, -W_AM, W_AO, W_AS, 1, 1);
- }
- static void vertical_compose97iH0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
- }
- }
- static void vertical_compose97iH1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- #ifdef lift5
- b1[i] -= (W_CM*(b0[i] + b2[i])+W_CO)>>W_CS;
- #else
- int r= 3*(b0[i] + b2[i]);
- r+= r>>4;
- r+= r>>8;
- b1[i] -= (r+W_CO)>>W_CS;
- #endif
- }
- }
- static void vertical_compose97iL0(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- #ifdef liftS
- b1[i] += (W_BM*(b0[i] + b2[i])+W_BO)>>W_BS;
- #else
- b1[i] += (W_BM*(b0[i] + b2[i])+4*b1[i]+W_BO)>>W_BS;
- #endif
- }
- }
- static void vertical_compose97iL1(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, int width){
- int i;
- for(i=0; i<width; i++){
- b1[i] -= (W_DM*(b0[i] + b2[i])+W_DO)>>W_DS;
- }
- }
- static void vertical_compose97i(DWTELEM *b0, DWTELEM *b1, DWTELEM *b2, DWTELEM *b3, DWTELEM *b4, DWTELEM *b5, int width){
- int i;
- for(i=0; i<width; i++){
- int r;
- b4[i] -= (W_DM*(b3[i] + b5[i])+W_DO)>>W_DS;
- #ifdef lift5
- b3[i] -= (W_CM*(b2[i] + b4[i])+W_CO)>>W_CS;
- #else
- r= 3*(b2[i] + b4[i]);
- r+= r>>4;
- r+= r>>8;
- b3[i] -= (r+W_CO)>>W_CS;
- #endif
- #ifdef liftS
- b2[i] += (W_BM*(b1[i] + b3[i])+W_BO)>>W_BS;
- #else
- b2[i] += (W_BM*(b1[i] + b3[i])+4*b2[i]+W_BO)>>W_BS;
- #endif
- b1[i] += (W_AM*(b0[i] + b2[i])+W_AO)>>W_AS;
- }
- }
- static void spatial_compose97i_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int height, int stride_line){
- cs->b0 = slice_buffer_get_line(sb, mirror(-3-1, height-1) * stride_line);
- cs->b1 = slice_buffer_get_line(sb, mirror(-3 , height-1) * stride_line);
- cs->b2 = slice_buffer_get_line(sb, mirror(-3+1, height-1) * stride_line);
- cs->b3 = slice_buffer_get_line(sb, mirror(-3+2, height-1) * stride_line);
- cs->y = -3;
- }
- static void spatial_compose97i_init(dwt_compose_t *cs, DWTELEM *buffer, int height, int stride){
- cs->b0 = buffer + mirror(-3-1, height-1)*stride;
- cs->b1 = buffer + mirror(-3 , height-1)*stride;
- cs->b2 = buffer + mirror(-3+1, height-1)*stride;
- cs->b3 = buffer + mirror(-3+2, height-1)*stride;
- cs->y = -3;
- }
- static void spatial_compose97i_dy_buffered(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line){
- int y = cs->y;
- int mirror0 = mirror(y - 1, height - 1);
- int mirror1 = mirror(y + 0, height - 1);
- int mirror2 = mirror(y + 1, height - 1);
- int mirror3 = mirror(y + 2, height - 1);
- int mirror4 = mirror(y + 3, height - 1);
- int mirror5 = mirror(y + 4, height - 1);
- DWTELEM *b0= cs->b0;
- DWTELEM *b1= cs->b1;
- DWTELEM *b2= cs->b2;
- DWTELEM *b3= cs->b3;
- DWTELEM *b4= slice_buffer_get_line(sb, mirror4 * stride_line);
- DWTELEM *b5= slice_buffer_get_line(sb, mirror5 * stride_line);
- {START_TIMER
- if(y>0 && y+4<height){
- vertical_compose97i(b0, b1, b2, b3, b4, b5, width);
- }else{
- if(mirror3 <= mirror5) vertical_compose97iL1(b3, b4, b5, width);
- if(mirror2 <= mirror4) vertical_compose97iH1(b2, b3, b4, width);
- if(mirror1 <= mirror3) vertical_compose97iL0(b1, b2, b3, width);
- if(mirror0 <= mirror2) vertical_compose97iH0(b0, b1, b2, width);
- }
- if(width>400){
- STOP_TIMER("vertical_compose97i")}}
- {START_TIMER
- if(y-1>= 0) horizontal_compose97i(b0, width);
- if(mirror0 <= mirror2) horizontal_compose97i(b1, width);
- if(width>400 && mirror0 <= mirror2){
- STOP_TIMER("horizontal_compose97i")}}
- cs->b0=b2;
- cs->b1=b3;
- cs->b2=b4;
- cs->b3=b5;
- cs->y += 2;
- }
- static void spatial_compose97i_dy(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride){
- int y = cs->y;
- DWTELEM *b0= cs->b0;
- DWTELEM *b1= cs->b1;
- DWTELEM *b2= cs->b2;
- DWTELEM *b3= cs->b3;
- DWTELEM *b4= buffer + mirror(y+3, height-1)*stride;
- DWTELEM *b5= buffer + mirror(y+4, height-1)*stride;
- if(stride == width && y+4 < height && 0){
- int x;
- for(x=0; x<width/2; x++)
- b5[x] += 64*2;
- for(; x<width; x++)
- b5[x] += 169*2;
- }
- {START_TIMER
- if(b3 <= b5) vertical_compose97iL1(b3, b4, b5, width);
- if(b2 <= b4) vertical_compose97iH1(b2, b3, b4, width);
- if(b1 <= b3) vertical_compose97iL0(b1, b2, b3, width);
- if(b0 <= b2) vertical_compose97iH0(b0, b1, b2, width);
- if(width>400){
- STOP_TIMER("vertical_compose97i")}}
- {START_TIMER
- if(y-1>= 0) horizontal_compose97i(b0, width);
- if(b0 <= b2) horizontal_compose97i(b1, width);
- if(width>400 && b0 <= b2){
- STOP_TIMER("horizontal_compose97i")}}
- cs->b0=b2;
- cs->b1=b3;
- cs->b2=b4;
- cs->b3=b5;
- cs->y += 2;
- }
- static void spatial_compose97i(DWTELEM *buffer, int width, int height, int stride){
- dwt_compose_t cs;
- spatial_compose97i_init(&cs, buffer, height, stride);
- while(cs.y <= height)
- spatial_compose97i_dy(&cs, buffer, width, height, stride);
- }
- void ff_spatial_idwt_buffered_init(dwt_compose_t *cs, slice_buffer * sb, int width, int height, int stride_line, int type, int decomposition_count){
- int level;
- for(level=decomposition_count-1; level>=0; level--){
- switch(type){
- case 0: spatial_compose97i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
- case 1: spatial_compose53i_buffered_init(cs+level, sb, height>>level, stride_line<<level); break;
- /* not slicified yet */
- case 2: /*spatial_composeX(buffer, width>>level, height>>level, stride<<level); break;*/
- av_log(NULL, AV_LOG_ERROR, "spatial_composeX neither buffered nor slicified yet.n"); break;
- }
- }
- }
- void ff_spatial_idwt_init(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
- int level;
- for(level=decomposition_count-1; level>=0; level--){
- switch(type){
- case 0: spatial_compose97i_init(cs+level, buffer, height>>level, stride<<level); break;
- case 1: spatial_compose53i_init(cs+level, buffer, height>>level, stride<<level); break;
- /* not slicified yet */
- case 2: spatial_composeX(buffer, width>>level, height>>level, stride<<level); break;
- }
- }
- }
- void ff_spatial_idwt_slice(dwt_compose_t *cs, DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count, int y){
- const int support = type==1 ? 3 : 5;
- int level;
- if(type==2) return;
- for(level=decomposition_count-1; level>=0; level--){
- while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
- switch(type){
- case 0: spatial_compose97i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
- break;
- case 1: spatial_compose53i_dy(cs+level, buffer, width>>level, height>>level, stride<<level);
- break;
- case 2: break;
- }
- }
- }
- }
- void ff_spatial_idwt_buffered_slice(dwt_compose_t *cs, slice_buffer * slice_buf, int width, int height, int stride_line, int type, int decomposition_count, int y){
- const int support = type==1 ? 3 : 5;
- int level;
- if(type==2) return;
- for(level=decomposition_count-1; level>=0; level--){
- while(cs[level].y <= FFMIN((y>>level)+support, height>>level)){
- switch(type){
- case 0: spatial_compose97i_dy_buffered(cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
- break;
- case 1: spatial_compose53i_dy_buffered(cs+level, slice_buf, width>>level, height>>level, stride_line<<level);
- break;
- case 2: break;
- }
- }
- }
- }
- void ff_spatial_idwt(DWTELEM *buffer, int width, int height, int stride, int type, int decomposition_count){
- if(type==2){
- int level;
- for(level=decomposition_count-1; level>=0; level--)
- spatial_composeX (buffer, width>>level, height>>level, stride<<level);
- }else{
- dwt_compose_t cs[MAX_DECOMPOSITIONS];
- int y;
- ff_spatial_idwt_init(cs, buffer, width, height, stride, type, decomposition_count);
- for(y=0; y<height; y+=4)
- ff_spatial_idwt_slice(cs, buffer, width, height, stride, type, decomposition_count, y);
- }
- }
- static int encode_subband_c0run(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
- const int w= b->width;
- const int h= b->height;
- int x, y;
- if(1){
- int run=0;
- int runs[w*h];
- int run_index=0;
- int max_index;
- for(y=0; y<h; y++){
- for(x=0; x<w; x++){
- int v, p=0;
- int /*ll=0, */l=0, lt=0, t=0, rt=0;
- v= src[x + y*stride];
- if(y){
- t= src[x + (y-1)*stride];
- if(x){
- lt= src[x - 1 + (y-1)*stride];
- }
- if(x + 1 < w){
- rt= src[x + 1 + (y-1)*stride];
- }
- }
- if(x){
- l= src[x - 1 + y*stride];
- /*if(x > 1){
- if(orientation==1) ll= src[y + (x-2)*stride];
- else ll= src[x - 2 + y*stride];
- }*/
- }
- if(parent){
- int px= x>>1;
- int py= y>>1;
- if(px<b->parent->width && py<b->parent->height)
- p= parent[px + py*2*stride];
- }
- if(!(/*ll|*/l|lt|t|rt|p)){
- if(v){
- runs[run_index++]= run;
- run=0;
- }else{
- run++;
- }
- }
- }
- }
- max_index= run_index;
- runs[run_index++]= run;
- run_index=0;
- run= runs[run_index++];
- put_symbol2(&s->c, b->state[30], max_index, 0);
- if(run_index <= max_index)
- put_symbol2(&s->c, b->state[1], run, 3);
- for(y=0; y<h; y++){
- if(s->c.bytestream_end - s->c.bytestream < w*40){
- av_log(s->avctx, AV_LOG_ERROR, "encoded frame too largen");
- return -1;
- }
- for(x=0; x<w; x++){
- int v, p=0;
- int /*ll=0, */l=0, lt=0, t=0, rt=0;
- v= src[x + y*stride];
- if(y){
- t= src[x + (y-1)*stride];
- if(x){
- lt= src[x - 1 + (y-1)*stride];
- }
- if(x + 1 < w){
- rt= src[x + 1 + (y-1)*stride];
- }
- }
- if(x){
- l= src[x - 1 + y*stride];
- /*if(x > 1){
- if(orientation==1) ll= src[y + (x-2)*stride];
- else ll= src[x - 2 + y*stride];
- }*/
- }
- if(parent){
- int px= x>>1;
- int py= y>>1;
- if(px<b->parent->width && py<b->parent->height)
- p= parent[px + py*2*stride];
- }
- if(/*ll|*/l|lt|t|rt|p){
- int context= av_log2(/*ABS(ll) + */3*ABS(l) + ABS(lt) + 2*ABS(t) + ABS(rt) + ABS(p));
- put_rac(&s->c, &b->state[0][context], !!v);
- }else{
- if(!run){
- run= runs[run_index++];
- if(run_index <= max_index)
- put_symbol2(&s->c, b->state[1], run, 3);
- assert(v);
- }else{
- run--;
- assert(!v);
- }
- }
- if(v){
- int context= av_log2(/*ABS(ll) + */3*ABS(l) + ABS(lt) + 2*ABS(t) + ABS(rt) + ABS(p));
- int l2= 2*ABS(l) + (l<0);
- int t2= 2*ABS(t) + (t<0);
- put_symbol2(&s->c, b->state[context + 2], ABS(v)-1, context-4);
- put_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l2&0xFF] + 3*quant3bA[t2&0xFF]], v<0);
- }
- }
- }
- }
- return 0;
- }
- static int encode_subband(SnowContext *s, SubBand *b, DWTELEM *src, DWTELEM *parent, int stride, int orientation){
- // encode_subband_qtree(s, b, src, parent, stride, orientation);
- // encode_subband_z0run(s, b, src, parent, stride, orientation);
- return encode_subband_c0run(s, b, src, parent, stride, orientation);
- // encode_subband_dzr(s, b, src, parent, stride, orientation);
- }
- static inline void unpack_coeffs(SnowContext *s, SubBand *b, SubBand * parent, int orientation){
- const int w= b->width;
- const int h= b->height;
- int x,y;
- if(1){
- int run, runs;
- x_and_coeff *xc= b->x_coeff;
- x_and_coeff *prev_xc= NULL;
- x_and_coeff *prev2_xc= xc;
- x_and_coeff *parent_xc= parent ? parent->x_coeff : NULL;
- x_and_coeff *prev_parent_xc= parent_xc;
- runs= get_symbol2(&s->c, b->state[30], 0);
- if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3);
- else run= INT_MAX;
- for(y=0; y<h; y++){
- int v=0;
- int lt=0, t=0, rt=0;
- if(y && prev_xc->x == 0){
- rt= prev_xc->coeff;
- }
- for(x=0; x<w; x++){
- int p=0;
- const int l= v;
- lt= t; t= rt;
- if(y){
- if(prev_xc->x <= x)
- prev_xc++;
- if(prev_xc->x == x + 1)
- rt= prev_xc->coeff;
- else
- rt=0;
- }
- if(parent_xc){
- if(x>>1 > parent_xc->x){
- parent_xc++;
- }
- if(x>>1 == parent_xc->x){
- p= parent_xc->coeff;
- }
- }
- if(/*ll|*/l|lt|t|rt|p){
- int context= av_log2(/*ABS(ll) + */3*(l>>1) + (lt>>1) + (t&~1) + (rt>>1) + (p>>1));
- v=get_rac(&s->c, &b->state[0][context]);
- if(v){
- v= 2*(get_symbol2(&s->c, b->state[context + 2], context-4) + 1);
- v+=get_rac(&s->c, &b->state[0][16 + 1 + 3 + quant3bA[l&0xFF] + 3*quant3bA[t&0xFF]]);
- xc->x=x;
- (xc++)->coeff= v;
- }
- }else{
- if(!run){
- if(runs-- > 0) run= get_symbol2(&s->c, b->state[1], 3);
- else run= INT_MAX;
- v= 2*(get_symbol2(&s->c, b->state[0 + 2], 0-4) + 1);
- v+=get_rac(&s->c, &b->state[0][16 + 1 + 3]);
- xc->x=x;
- (xc++)->coeff= v;
- }else{
- int max_run;
- run--;
- v=0;
- if(y) max_run= FFMIN(run, prev_xc->x - x - 2);
- else max_run= FFMIN(run, w-x-1);
- if(parent_xc)
- max_run= FFMIN(max_run, 2*parent_xc->x - x - 1);
- x+= max_run;
- run-= max_run;
- }
- }
- }
- (xc++)->x= w+1; //end marker
- prev_xc= prev2_xc;
- prev2_xc= xc;
- if(parent_xc){
- if(y&1){
- while(parent_xc->x != parent->width+1)
- parent_xc++;
- parent_xc++;
- prev_parent_xc= parent_xc;
- }else{
- parent_xc= prev_parent_xc;
- }
- }
- }
- (xc++)->x= w+1; //end marker
- }
- }
- static inline void decode_subband_slice_buffered(SnowContext *s, SubBand *b, slice_buffer * sb, int start_y, int h, int save_state[1]){
- const int w= b->width;
- int x,y;
- const int qlog= clip(s->qlog + b->qlog, 0, QROOT*16);
- int qmul= qexp[qlog&(QROOT-1)]<<(qlog>>QSHIFT);
- int qadd= (s->qbias*qmul)>>QBIAS_SHIFT;
- int new_index = 0;
- START_TIMER
- if(b->buf == s->spatial_dwt_buffer || s->qlog == LOSSLESS_QLOG){
- qadd= 0;
- qmul= 1<<QEXPSHIFT;
- }
- /* If we are on the second or later slice, restore our index. */
- if (start_y != 0)
- new_index = save_state[0];
- for(y=start_y; y<h; y++){
- int x = 0;
- int v;
- DWTELEM * line = slice_buffer_get_line(sb, y * b->stride_line + b->buf_y_offset) + b->buf_x_offset;
- memset(line, 0, b->width*sizeof(DWTELEM));
- v = b->x_coeff[new_index].coeff;
- x = b->x_coeff[new_index++].x;
- while(x < w)
- {
- register int t= ( (v>>1)*qmul + qadd)>>QEXPSHIFT;
- register int u= -(v&1);
- line[x] = (t^u) - u;
- v = b->x_coeff[new_index].coeff;
- x = b->x_coeff[new_index++].x;
- }
- }
- if(w > 200 && start_y != 0/*level+1 == s->spatial_decomposition_count*/){
- STOP_TIMER("decode_subband")
- }
- /* Save our variables for the next slice. */
- save_state[0] = new_index;
- return;
- }
- static void reset_contexts(SnowContext *s){
- int plane_index, level, orientation;
- for(plane_index=0; plane_index<3; plane_index++){
- for(level=0; level<s->spatial_decomposition_count; level++){
- for(orientation=level ? 1:0; orientation<4; orientation++){
- memset(s->plane[plane_index].band[level][orientation].state, MID_STATE, sizeof(s->plane[plane_index].band[level][orientation].state));
- }
- }
- }
- memset(s->header_state, MID_STATE, sizeof(s->header_state));
- memset(s->block_state, MID_STATE, sizeof(s->block_state));
- }
- static int alloc_blocks(SnowContext *s){
- int w= -((-s->avctx->width )>>LOG2_MB_SIZE);
- int h= -((-s->avctx->height)>>LOG2_MB_SIZE);
- s->b_width = w;
- s->b_height= h;
- s->block= av_mallocz(w * h * sizeof(BlockNode) << (s->block_max_depth*2));
- return 0;
- }
- static inline void copy_rac_state(RangeCoder *d, RangeCoder *s){
- uint8_t *bytestream= d->bytestream;
- uint8_t *bytestream_start= d->bytestream_start;
- *d= *s;
- d->bytestream= bytestream;
- d->bytestream_start= bytestream_start;
- }
- //near copy & paste from dsputil, FIXME
- static int pix_sum(uint8_t * pix, int line_size, int w)
- {
- int s, i, j;
- s = 0;
- for (i = 0; i < w; i++) {
- for (j = 0; j < w; j++) {
- s += pix[0];
- pix ++;
- }
- pix += line_size - w;
- }
- return s;
- }
- //near copy & paste from dsputil, FIXME
- static int pix_norm1(uint8_t * pix, int line_size, int w)
- {
- int s, i, j;
- uint32_t *sq = squareTbl + 256;
- s = 0;
- for (i = 0; i < w; i++) {
- for (j = 0; j < w; j ++) {
- s += sq[pix[0]];
- pix ++;
- }
- pix += line_size - w;
- }
- return s;
- }
- static inline void set_blocks(SnowContext *s, int level, int x, int y, int l, int cb, int cr, int mx, int my, int type){
- const int w= s->b_width << s->block_max_depth;
- const int rem_depth= s->block_max_depth - level;
- const int index= (x + y*w) << rem_depth;
- const int block_w= 1<<rem_depth;
- BlockNode block;
- int i,j;
- block.color[0]= l;
- block.color[1]= cb;
- block.color[2]= cr;
- block.mx= mx;
- block.my= my;
- block.type= type;
- block.level= level;
- for(j=0; j<block_w; j++){
- for(i=0; i<block_w; i++){