| 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 | |
| 32 | const 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 | |
| 43 | const 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 | |
| 51 | const 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 | |
| 55 | const 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 | |
| 60 | const 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 | |
| 67 | const 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 | |
| 83 | av_cold void ff_asv_common_init(AVCodecContext *avctx) |
| 84 | { |
| 85 | ASV1Context *const a = avctx->priv_data; |
| 86 | |
| 87 | ff_bswapdsp_init(&a->bbdsp); |
| 88 | |
| 89 | a->mb_width = (avctx->width + 15) / 16; |
| 90 | a->mb_height = (avctx->height + 15) / 16; |
| 91 | a->mb_width2 = (avctx->width + 0) / 16; |
| 92 | a->mb_height2 = (avctx->height + 0) / 16; |
| 93 | |
| 94 | a->avctx = avctx; |
| 95 | } |