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 { 0x2, 2 }, { 0xB, 4 }, { 0xF, 4 }, { 0x3, 4 }, 57 { 0x5, 3 }, { 0x7, 4 }, { 0x1, 3 }, { 0x0, 2 }, 58}; 59 60const uint8_t ff_asv_ac_ccp_tab[16][2] = { 61 { 0x00, 2 }, { 0x37, 6 }, { 0x05, 4 }, { 0x17, 6 }, 62 { 0x02, 3 }, { 0x27, 6 }, { 0x0F, 6 }, { 0x07, 6 }, 63 { 0x06, 3 }, { 0x2F, 6 }, { 0x01, 4 }, { 0x1F, 5 }, 64 { 0x09, 4 }, { 0x0D, 4 }, { 0x0B, 4 }, { 0x03, 4 }, 65}; 66 67const uint16_t ff_asv2_level_tab[63][2] = { 68 { 0x3F0, 10 }, { 0x3D0, 10 }, { 0x3B0, 10 }, { 0x390, 10 }, { 0x370, 10 }, 69 { 0x350, 10 }, { 0x330, 10 }, { 0x310, 10 }, { 0x2F0, 10 }, { 0x2D0, 10 }, 70 { 0x2B0, 10 }, { 0x290, 10 }, { 0x270, 10 }, { 0x250, 10 }, { 0x230, 10 }, 71 { 0x210, 10 }, 72 { 0x0F8, 8 }, { 0x0E8, 8 }, { 0x0D8, 8 }, { 0x0C8, 8 }, { 0x0B8, 8 }, 73 { 0x0A8, 8 }, { 0x098, 8 }, { 0x088, 8 }, 74 { 0x03C, 6 }, { 0x034, 6 }, { 0x02C, 6 }, { 0x024, 6 }, 75 { 0x00E, 4 }, { 0x00A, 4 }, 76 { 0x003, 2 }, 77 { 0x000, 5 }, 78 { 0x001, 2 }, 79 { 0x002, 4 }, { 0x006, 4 }, 80 { 0x004, 6 }, { 0x00C, 6 }, { 0x014, 6 }, { 0x01C, 6 }, 81 { 0x008, 8 }, { 0x018, 8 }, { 0x028, 8 }, { 0x038, 8 }, { 0x048, 8 }, 82 { 0x058, 8 }, { 0x068, 8 }, { 0x078, 8 }, 83 { 0x010, 10 }, { 0x030, 10 }, { 0x050, 10 }, { 0x070, 10 }, { 0x090, 10 }, 84 { 0x0B0, 10 }, { 0x0D0, 10 }, { 0x0F0, 10 }, { 0x110, 10 }, { 0x130, 10 }, 85 { 0x150, 10 }, { 0x170, 10 }, { 0x190, 10 }, { 0x1B0, 10 }, { 0x1D0, 10 }, 86 { 0x1F0, 10 } 87}; 88 89av_cold void ff_asv_common_init(AVCodecContext *avctx) 90{ 91 ASV1Context *const a = avctx->priv_data; 92 93 ff_bswapdsp_init(&a->bbdsp); 94 95 a->mb_width = (avctx->width + 15) / 16; 96 a->mb_height = (avctx->height + 15) / 16; 97 a->mb_width2 = (avctx->width + 0) / 16; 98 a->mb_height2 = (avctx->height + 0) / 16; 99 100 a->avctx = avctx; 101} 102