| /* |
| * MPEG1/2 tables |
| * copyright (c) 2000,2001 Fabrice Bellard |
| * copyright (c) 2002-2004 Michael Niedermayer <michaelni@gmx.at> |
| * |
| * This file is part of FFmpeg. |
| * |
| * FFmpeg 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 2.1 of the License, or (at your option) any later version. |
| * |
| * FFmpeg 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 FFmpeg; if not, write to the Free Software |
| * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| */ |
| |
| /** |
| * @file libavcodec/mpeg12data.c |
| * MPEG1/2 tables. |
| */ |
| |
| #include "mpeg12data.h" |
| |
| const uint16_t ff_mpeg1_default_intra_matrix[64] = { |
| 8, 16, 19, 22, 26, 27, 29, 34, |
| 16, 16, 22, 24, 27, 29, 34, 37, |
| 19, 22, 26, 27, 29, 34, 34, 38, |
| 22, 22, 26, 27, 29, 34, 37, 40, |
| 22, 26, 27, 29, 32, 35, 40, 48, |
| 26, 27, 29, 32, 35, 40, 48, 58, |
| 26, 27, 29, 34, 38, 46, 56, 69, |
| 27, 29, 35, 38, 46, 56, 69, 83 |
| }; |
| |
| const uint16_t ff_mpeg1_default_non_intra_matrix[64] = { |
| 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, |
| 16, 16, 16, 16, 16, 16, 16, 16, |
| }; |
| |
| const uint16_t ff_mpeg12_vlc_dc_lum_code[12] = { |
| 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff, |
| }; |
| const unsigned char ff_mpeg12_vlc_dc_lum_bits[12] = { |
| 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, |
| }; |
| |
| const uint16_t ff_mpeg12_vlc_dc_chroma_code[12] = { |
| 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff, |
| }; |
| const unsigned char ff_mpeg12_vlc_dc_chroma_bits[12] = { |
| 2, 2, 2, 3, 4, 5, 6, 7, 8, 9, 10, 10, |
| }; |
| |
| static const uint16_t mpeg1_vlc[113][2] = { |
| { 0x3, 2 }, { 0x4, 4 }, { 0x5, 5 }, { 0x6, 7 }, |
| { 0x26, 8 }, { 0x21, 8 }, { 0xa, 10 }, { 0x1d, 12 }, |
| { 0x18, 12 }, { 0x13, 12 }, { 0x10, 12 }, { 0x1a, 13 }, |
| { 0x19, 13 }, { 0x18, 13 }, { 0x17, 13 }, { 0x1f, 14 }, |
| { 0x1e, 14 }, { 0x1d, 14 }, { 0x1c, 14 }, { 0x1b, 14 }, |
| { 0x1a, 14 }, { 0x19, 14 }, { 0x18, 14 }, { 0x17, 14 }, |
| { 0x16, 14 }, { 0x15, 14 }, { 0x14, 14 }, { 0x13, 14 }, |
| { 0x12, 14 }, { 0x11, 14 }, { 0x10, 14 }, { 0x18, 15 }, |
| { 0x17, 15 }, { 0x16, 15 }, { 0x15, 15 }, { 0x14, 15 }, |
| { 0x13, 15 }, { 0x12, 15 }, { 0x11, 15 }, { 0x10, 15 }, |
| { 0x3, 3 }, { 0x6, 6 }, { 0x25, 8 }, { 0xc, 10 }, |
| { 0x1b, 12 }, { 0x16, 13 }, { 0x15, 13 }, { 0x1f, 15 }, |
| { 0x1e, 15 }, { 0x1d, 15 }, { 0x1c, 15 }, { 0x1b, 15 }, |
| { 0x1a, 15 }, { 0x19, 15 }, { 0x13, 16 }, { 0x12, 16 }, |
| { 0x11, 16 }, { 0x10, 16 }, { 0x5, 4 }, { 0x4, 7 }, |
| { 0xb, 10 }, { 0x14, 12 }, { 0x14, 13 }, { 0x7, 5 }, |
| { 0x24, 8 }, { 0x1c, 12 }, { 0x13, 13 }, { 0x6, 5 }, |
| { 0xf, 10 }, { 0x12, 12 }, { 0x7, 6 }, { 0x9, 10 }, |
| { 0x12, 13 }, { 0x5, 6 }, { 0x1e, 12 }, { 0x14, 16 }, |
| { 0x4, 6 }, { 0x15, 12 }, { 0x7, 7 }, { 0x11, 12 }, |
| { 0x5, 7 }, { 0x11, 13 }, { 0x27, 8 }, { 0x10, 13 }, |
| { 0x23, 8 }, { 0x1a, 16 }, { 0x22, 8 }, { 0x19, 16 }, |
| { 0x20, 8 }, { 0x18, 16 }, { 0xe, 10 }, { 0x17, 16 }, |
| { 0xd, 10 }, { 0x16, 16 }, { 0x8, 10 }, { 0x15, 16 }, |
| { 0x1f, 12 }, { 0x1a, 12 }, { 0x19, 12 }, { 0x17, 12 }, |
| { 0x16, 12 }, { 0x1f, 13 }, { 0x1e, 13 }, { 0x1d, 13 }, |
| { 0x1c, 13 }, { 0x1b, 13 }, { 0x1f, 16 }, { 0x1e, 16 }, |
| { 0x1d, 16 }, { 0x1c, 16 }, { 0x1b, 16 }, |
| { 0x1, 6 }, /* escape */ |
| { 0x2, 2 }, /* EOB */ |
| }; |
| |
| static const uint16_t mpeg2_vlc[113][2] = { |
| {0x02, 2}, {0x06, 3}, {0x07, 4}, {0x1c, 5}, |
| {0x1d, 5}, {0x05, 6}, {0x04, 6}, {0x7b, 7}, |
| {0x7c, 7}, {0x23, 8}, {0x22, 8}, {0xfa, 8}, |
| {0xfb, 8}, {0xfe, 8}, {0xff, 8}, {0x1f,14}, |
| {0x1e,14}, {0x1d,14}, {0x1c,14}, {0x1b,14}, |
| {0x1a,14}, {0x19,14}, {0x18,14}, {0x17,14}, |
| {0x16,14}, {0x15,14}, {0x14,14}, {0x13,14}, |
| {0x12,14}, {0x11,14}, {0x10,14}, {0x18,15}, |
| {0x17,15}, {0x16,15}, {0x15,15}, {0x14,15}, |
| {0x13,15}, {0x12,15}, {0x11,15}, {0x10,15}, |
| {0x02, 3}, {0x06, 5}, {0x79, 7}, {0x27, 8}, |
| {0x20, 8}, {0x16,13}, {0x15,13}, {0x1f,15}, |
| {0x1e,15}, {0x1d,15}, {0x1c,15}, {0x1b,15}, |
| {0x1a,15}, {0x19,15}, {0x13,16}, {0x12,16}, |
| {0x11,16}, {0x10,16}, {0x05, 5}, {0x07, 7}, |
| {0xfc, 8}, {0x0c,10}, {0x14,13}, {0x07, 5}, |
| {0x26, 8}, {0x1c,12}, {0x13,13}, {0x06, 6}, |
| {0xfd, 8}, {0x12,12}, {0x07, 6}, {0x04, 9}, |
| {0x12,13}, {0x06, 7}, {0x1e,12}, {0x14,16}, |
| {0x04, 7}, {0x15,12}, {0x05, 7}, {0x11,12}, |
| {0x78, 7}, {0x11,13}, {0x7a, 7}, {0x10,13}, |
| {0x21, 8}, {0x1a,16}, {0x25, 8}, {0x19,16}, |
| {0x24, 8}, {0x18,16}, {0x05, 9}, {0x17,16}, |
| {0x07, 9}, {0x16,16}, {0x0d,10}, {0x15,16}, |
| {0x1f,12}, {0x1a,12}, {0x19,12}, {0x17,12}, |
| {0x16,12}, {0x1f,13}, {0x1e,13}, {0x1d,13}, |
| {0x1c,13}, {0x1b,13}, {0x1f,16}, {0x1e,16}, |
| {0x1d,16}, {0x1c,16}, {0x1b,16}, |
| {0x01,6}, /* escape */ |
| {0x06,4}, /* EOB */ |
| }; |
| |
| static const int8_t mpeg1_level[111] = { |
| 1, 2, 3, 4, 5, 6, 7, 8, |
| 9, 10, 11, 12, 13, 14, 15, 16, |
| 17, 18, 19, 20, 21, 22, 23, 24, |
| 25, 26, 27, 28, 29, 30, 31, 32, |
| 33, 34, 35, 36, 37, 38, 39, 40, |
| 1, 2, 3, 4, 5, 6, 7, 8, |
| 9, 10, 11, 12, 13, 14, 15, 16, |
| 17, 18, 1, 2, 3, 4, 5, 1, |
| 2, 3, 4, 1, 2, 3, 1, 2, |
| 3, 1, 2, 3, 1, 2, 1, 2, |
| 1, 2, 1, 2, 1, 2, 1, 2, |
| 1, 2, 1, 2, 1, 2, 1, 2, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, |
| }; |
| |
| static const int8_t mpeg1_run[111] = { |
| 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, 0, 0, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 1, 1, 1, 1, 1, 1, |
| 1, 1, 2, 2, 2, 2, 2, 3, |
| 3, 3, 3, 4, 4, 4, 5, 5, |
| 5, 6, 6, 6, 7, 7, 8, 8, |
| 9, 9, 10, 10, 11, 11, 12, 12, |
| 13, 13, 14, 14, 15, 15, 16, 16, |
| 17, 18, 19, 20, 21, 22, 23, 24, |
| 25, 26, 27, 28, 29, 30, 31, |
| }; |
| |
| RLTable ff_rl_mpeg1 = { |
| 111, |
| 111, |
| mpeg1_vlc, |
| mpeg1_run, |
| mpeg1_level, |
| }; |
| |
| RLTable ff_rl_mpeg2 = { |
| 111, |
| 111, |
| mpeg2_vlc, |
| mpeg1_run, |
| mpeg1_level, |
| }; |
| |
| const uint8_t ff_mpeg12_mbAddrIncrTable[36][2] = { |
| {0x1, 1}, |
| {0x3, 3}, |
| {0x2, 3}, |
| {0x3, 4}, |
| {0x2, 4}, |
| {0x3, 5}, |
| {0x2, 5}, |
| {0x7, 7}, |
| {0x6, 7}, |
| {0xb, 8}, |
| {0xa, 8}, |
| {0x9, 8}, |
| {0x8, 8}, |
| {0x7, 8}, |
| {0x6, 8}, |
| {0x17, 10}, |
| {0x16, 10}, |
| {0x15, 10}, |
| {0x14, 10}, |
| {0x13, 10}, |
| {0x12, 10}, |
| {0x23, 11}, |
| {0x22, 11}, |
| {0x21, 11}, |
| {0x20, 11}, |
| {0x1f, 11}, |
| {0x1e, 11}, |
| {0x1d, 11}, |
| {0x1c, 11}, |
| {0x1b, 11}, |
| {0x1a, 11}, |
| {0x19, 11}, |
| {0x18, 11}, |
| {0x8, 11}, /* escape */ |
| {0xf, 11}, /* stuffing */ |
| {0x0, 8}, /* end (and 15 more 0 bits should follow) */ |
| }; |
| |
| const uint8_t ff_mpeg12_mbPatTable[64][2] = { |
| {0x1, 9}, |
| {0xb, 5}, |
| {0x9, 5}, |
| {0xd, 6}, |
| {0xd, 4}, |
| {0x17, 7}, |
| {0x13, 7}, |
| {0x1f, 8}, |
| {0xc, 4}, |
| {0x16, 7}, |
| {0x12, 7}, |
| {0x1e, 8}, |
| {0x13, 5}, |
| {0x1b, 8}, |
| {0x17, 8}, |
| {0x13, 8}, |
| {0xb, 4}, |
| {0x15, 7}, |
| {0x11, 7}, |
| {0x1d, 8}, |
| {0x11, 5}, |
| {0x19, 8}, |
| {0x15, 8}, |
| {0x11, 8}, |
| {0xf, 6}, |
| {0xf, 8}, |
| {0xd, 8}, |
| {0x3, 9}, |
| {0xf, 5}, |
| {0xb, 8}, |
| {0x7, 8}, |
| {0x7, 9}, |
| {0xa, 4}, |
| {0x14, 7}, |
| {0x10, 7}, |
| {0x1c, 8}, |
| {0xe, 6}, |
| {0xe, 8}, |
| {0xc, 8}, |
| {0x2, 9}, |
| {0x10, 5}, |
| {0x18, 8}, |
| {0x14, 8}, |
| {0x10, 8}, |
| {0xe, 5}, |
| {0xa, 8}, |
| {0x6, 8}, |
| {0x6, 9}, |
| {0x12, 5}, |
| {0x1a, 8}, |
| {0x16, 8}, |
| {0x12, 8}, |
| {0xd, 5}, |
| {0x9, 8}, |
| {0x5, 8}, |
| {0x5, 9}, |
| {0xc, 5}, |
| {0x8, 8}, |
| {0x4, 8}, |
| {0x4, 9}, |
| {0x7, 3}, |
| {0xa, 5}, |
| {0x8, 5}, |
| {0xc, 6} |
| }; |
| |
| const uint8_t ff_mpeg12_mbMotionVectorTable[17][2] = { |
| { 0x1, 1 }, |
| { 0x1, 2 }, |
| { 0x1, 3 }, |
| { 0x1, 4 }, |
| { 0x3, 6 }, |
| { 0x5, 7 }, |
| { 0x4, 7 }, |
| { 0x3, 7 }, |
| { 0xb, 9 }, |
| { 0xa, 9 }, |
| { 0x9, 9 }, |
| { 0x11, 10 }, |
| { 0x10, 10 }, |
| { 0xf, 10 }, |
| { 0xe, 10 }, |
| { 0xd, 10 }, |
| { 0xc, 10 }, |
| }; |
| |
| const AVRational ff_frame_rate_tab[] = { |
| { 0, 0}, |
| {24000, 1001}, |
| { 24, 1}, |
| { 25, 1}, |
| {30000, 1001}, |
| { 30, 1}, |
| { 50, 1}, |
| {60000, 1001}, |
| { 60, 1}, |
| // Xing's 15fps: (9) |
| { 15, 1}, |
| // libmpeg3's "Unofficial economy rates": (10-13) |
| { 5, 1}, |
| { 10, 1}, |
| { 12, 1}, |
| { 15, 1}, |
| { 0, 0}, |
| }; |
| |
| const float ff_mpeg1_aspect[16]={ |
| 0.0000, |
| 1.0000, |
| 0.6735, |
| 0.7031, |
| |
| 0.7615, |
| 0.8055, |
| 0.8437, |
| 0.8935, |
| |
| 0.9157, |
| 0.9815, |
| 1.0255, |
| 1.0695, |
| |
| 1.0950, |
| 1.1575, |
| 1.2015, |
| }; |
| |
| const AVRational ff_mpeg2_aspect[16]={ |
| {0,1}, |
| {1,1}, |
| {4,3}, |
| {16,9}, |
| {221,100}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| {0,1}, |
| }; |
