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4349 | Serge | 1 | /* |
2 | * Copyright (c) 2003 Michael Niedermayer |
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3 | * |
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4 | * This file is part of FFmpeg. |
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5 | * |
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6 | * FFmpeg is free software; you can redistribute it and/or |
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7 | * modify it under the terms of the GNU Lesser General Public |
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8 | * License as published by the Free Software Foundation; either |
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9 | * version 2.1 of the License, or (at your option) any later version. |
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10 | * |
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11 | * FFmpeg is distributed in the hope that it will be useful, |
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12 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
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13 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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14 | * Lesser General Public License for more details. |
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15 | * |
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16 | * You should have received a copy of the GNU Lesser General Public |
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17 | * License along with FFmpeg; if not, write to the Free Software |
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18 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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19 | */ |
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20 | |||
21 | /** |
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22 | * @file |
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23 | * ASUS V1/V2 encoder/decoder common data |
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24 | */ |
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25 | |||
26 | #include |
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27 | |||
28 | #include "asv.h" |
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29 | #include "avcodec.h" |
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30 | |||
31 | const uint8_t ff_asv_scantab[64] = { |
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32 | 0x00,0x08,0x01,0x09,0x10,0x18,0x11,0x19, |
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33 | 0x02,0x0A,0x03,0x0B,0x12,0x1A,0x13,0x1B, |
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34 | 0x04,0x0C,0x05,0x0D,0x20,0x28,0x21,0x29, |
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35 | 0x06,0x0E,0x07,0x0F,0x14,0x1C,0x15,0x1D, |
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36 | 0x22,0x2A,0x23,0x2B,0x30,0x38,0x31,0x39, |
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37 | 0x16,0x1E,0x17,0x1F,0x24,0x2C,0x25,0x2D, |
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38 | 0x32,0x3A,0x33,0x3B,0x26,0x2E,0x27,0x2F, |
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39 | 0x34,0x3C,0x35,0x3D,0x36,0x3E,0x37,0x3F, |
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40 | }; |
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41 | |||
42 | const uint8_t ff_asv_ccp_tab[17][2] = { |
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43 | {0x2,2}, {0x7,5}, {0xB,5}, {0x3,5}, |
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44 | {0xD,5}, {0x5,5}, {0x9,5}, {0x1,5}, |
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45 | {0xE,5}, {0x6,5}, {0xA,5}, {0x2,5}, |
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46 | {0xC,5}, {0x4,5}, {0x8,5}, {0x3,2}, |
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47 | {0xF,5}, //EOB |
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48 | }; |
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49 | |||
50 | const uint8_t ff_asv_level_tab[7][2] = { |
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51 | {3,4}, {3,3}, {3,2}, {0,3}, {2,2}, {2,3}, {2,4} |
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52 | }; |
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53 | |||
54 | const uint8_t ff_asv_dc_ccp_tab[8][2] = { |
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55 | {0x1,2}, {0xD,4}, {0xF,4}, {0xC,4}, |
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56 | {0x5,3}, {0xE,4}, {0x4,3}, {0x0,2}, |
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57 | }; |
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58 | |||
59 | const uint8_t ff_asv_ac_ccp_tab[16][2] = { |
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60 | {0x00,2}, {0x3B,6}, {0x0A,4}, {0x3A,6}, |
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61 | {0x02,3}, {0x39,6}, {0x3C,6}, {0x38,6}, |
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62 | {0x03,3}, {0x3D,6}, {0x08,4}, {0x1F,5}, |
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63 | {0x09,4}, {0x0B,4}, {0x0D,4}, {0x0C,4}, |
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64 | }; |
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65 | |||
66 | const uint8_t ff_asv2_level_tab[63][2] = { |
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67 | {0x3F,10},{0x2F,10},{0x37,10},{0x27,10},{0x3B,10},{0x2B,10},{0x33,10},{0x23,10}, |
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68 | {0x3D,10},{0x2D,10},{0x35,10},{0x25,10},{0x39,10},{0x29,10},{0x31,10},{0x21,10}, |
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69 | {0x1F, 8},{0x17, 8},{0x1B, 8},{0x13, 8},{0x1D, 8},{0x15, 8},{0x19, 8},{0x11, 8}, |
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70 | {0x0F, 6},{0x0B, 6},{0x0D, 6},{0x09, 6}, |
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71 | {0x07, 4},{0x05, 4}, |
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72 | {0x03, 2}, |
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73 | {0x00, 5}, |
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74 | {0x02, 2}, |
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75 | {0x04, 4},{0x06, 4}, |
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76 | {0x08, 6},{0x0C, 6},{0x0A, 6},{0x0E, 6}, |
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77 | {0x10, 8},{0x18, 8},{0x14, 8},{0x1C, 8},{0x12, 8},{0x1A, 8},{0x16, 8},{0x1E, 8}, |
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78 | {0x20,10},{0x30,10},{0x28,10},{0x38,10},{0x24,10},{0x34,10},{0x2C,10},{0x3C,10}, |
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79 | {0x22,10},{0x32,10},{0x2A,10},{0x3A,10},{0x26,10},{0x36,10},{0x2E,10},{0x3E,10}, |
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80 | }; |
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81 | |||
82 | av_cold void ff_asv_common_init(AVCodecContext *avctx) { |
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83 | ASV1Context * const a = avctx->priv_data; |
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84 | |||
85 | ff_dsputil_init(&a->dsp, avctx); |
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86 | |||
87 | a->mb_width = (avctx->width + 15) / 16; |
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88 | a->mb_height = (avctx->height + 15) / 16; |
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89 | a->mb_width2 = (avctx->width + 0) / 16; |
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90 | a->mb_height2 = (avctx->height + 0) / 16; |
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91 | |||
92 | avctx->coded_frame= &a->picture; |
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93 | a->avctx= avctx; |
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94 | } |