1/* 2 * Copyright (c) 2003 Michael Niedermayer 3 * 4 * This file is part of FFmpeg. 5 * 6 * FFmpeg is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU Lesser General Public 8 * License as published by the Free Software Foundation; either 9 * version 2.1 of the License, or (at your option) any later version. 10 * 11 * FFmpeg is distributed in the hope that it will be useful, 12 * but WITHOUT ANY WARRANTY; without even the implied warranty of 13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 * Lesser General Public License for more details. 15 * 16 * You should have received a copy of the GNU Lesser General Public 17 * License along with FFmpeg; if not, write to the Free Software 18 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA 19 */ 20 21/** 22 * @file 23 * ASUS V1/V2 encoder/decoder common data 24 */ 25 26#include <stdint.h> 27 28#include "asv.h" 29#include "avcodec.h" 30#include "bswapdsp.h" 31 32const uint8_t ff_asv_scantab[64] = { 33 0x00,0x08,0x01,0x09,0x10,0x18,0x11,0x19, 34 0x02,0x0A,0x03,0x0B,0x12,0x1A,0x13,0x1B, 35 0x04,0x0C,0x05,0x0D,0x20,0x28,0x21,0x29, 36 0x06,0x0E,0x07,0x0F,0x14,0x1C,0x15,0x1D, 37 0x22,0x2A,0x23,0x2B,0x30,0x38,0x31,0x39, 38 0x16,0x1E,0x17,0x1F,0x24,0x2C,0x25,0x2D, 39 0x32,0x3A,0x33,0x3B,0x26,0x2E,0x27,0x2F, 40 0x34,0x3C,0x35,0x3D,0x36,0x3E,0x37,0x3F, 41}; 42 43const uint8_t ff_asv_ccp_tab[17][2] = { 44 {0x2,2}, {0x7,5}, {0xB,5}, {0x3,5}, 45 {0xD,5}, {0x5,5}, {0x9,5}, {0x1,5}, 46 {0xE,5}, {0x6,5}, {0xA,5}, {0x2,5}, 47 {0xC,5}, {0x4,5}, {0x8,5}, {0x3,2}, 48 {0xF,5}, //EOB 49}; 50 51const uint8_t ff_asv_level_tab[7][2] = { 52 {3,4}, {3,3}, {3,2}, {0,3}, {2,2}, {2,3}, {2,4} 53}; 54 55const uint8_t ff_asv_dc_ccp_tab[8][2] = { 56 {0x1,2}, {0xD,4}, {0xF,4}, {0xC,4}, 57 {0x5,3}, {0xE,4}, {0x4,3}, {0x0,2}, 58}; 59 60const uint8_t ff_asv_ac_ccp_tab[16][2] = { 61 {0x00,2}, {0x3B,6}, {0x0A,4}, {0x3A,6}, 62 {0x02,3}, {0x39,6}, {0x3C,6}, {0x38,6}, 63 {0x03,3}, {0x3D,6}, {0x08,4}, {0x1F,5}, 64 {0x09,4}, {0x0B,4}, {0x0D,4}, {0x0C,4}, 65}; 66 67const uint8_t ff_asv2_level_tab[63][2] = { 68 {0x3F,10},{0x2F,10},{0x37,10},{0x27,10},{0x3B,10},{0x2B,10},{0x33,10},{0x23,10}, 69 {0x3D,10},{0x2D,10},{0x35,10},{0x25,10},{0x39,10},{0x29,10},{0x31,10},{0x21,10}, 70 {0x1F, 8},{0x17, 8},{0x1B, 8},{0x13, 8},{0x1D, 8},{0x15, 8},{0x19, 8},{0x11, 8}, 71 {0x0F, 6},{0x0B, 6},{0x0D, 6},{0x09, 6}, 72 {0x07, 4},{0x05, 4}, 73 {0x03, 2}, 74 {0x00, 5}, 75 {0x02, 2}, 76 {0x04, 4},{0x06, 4}, 77 {0x08, 6},{0x0C, 6},{0x0A, 6},{0x0E, 6}, 78 {0x10, 8},{0x18, 8},{0x14, 8},{0x1C, 8},{0x12, 8},{0x1A, 8},{0x16, 8},{0x1E, 8}, 79 {0x20,10},{0x30,10},{0x28,10},{0x38,10},{0x24,10},{0x34,10},{0x2C,10},{0x3C,10}, 80 {0x22,10},{0x32,10},{0x2A,10},{0x3A,10},{0x26,10},{0x36,10},{0x2E,10},{0x3E,10}, 81}; 82 83av_cold void ff_asv_common_init(AVCodecContext *avctx) { 84 ASV1Context * const a = avctx->priv_data; 85 86 ff_bswapdsp_init(&a->bbdsp); 87 88 a->mb_width = (avctx->width + 15) / 16; 89 a->mb_height = (avctx->height + 15) / 16; 90 a->mb_width2 = (avctx->width + 0) / 16; 91 a->mb_height2 = (avctx->height + 0) / 16; 92 93 a->avctx= avctx; 94} 95