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author | Aurelien Jacobs <aurel@gnuage.org> | 2007-07-05 09:08:28 +0000 |
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committer | Aurelien Jacobs <aurel@gnuage.org> | 2007-07-05 09:08:28 +0000 |
commit | a6bc573158514ebf70c32e6ffff43074d93cbcce (patch) | |
tree | 08c418cb5a3e8b8429720dc39941624c080690cf /libavcodec/mpeg12data.c | |
parent | a7738a044d2060f4123f412c7acb89fcb50dbc67 (diff) | |
download | ffmpeg-a6bc573158514ebf70c32e6ffff43074d93cbcce.tar.gz |
split mpeg12 encoder out of mpeg12.c
Originally committed as revision 9477 to svn://svn.ffmpeg.org/ffmpeg/trunk
Diffstat (limited to 'libavcodec/mpeg12data.c')
-rw-r--r-- | libavcodec/mpeg12data.c | 374 |
1 files changed, 374 insertions, 0 deletions
diff --git a/libavcodec/mpeg12data.c b/libavcodec/mpeg12data.c new file mode 100644 index 0000000000..7f39586cf3 --- /dev/null +++ b/libavcodec/mpeg12data.c @@ -0,0 +1,374 @@ +/* + * 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 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 vlc_dc_lum_code[12] = { + 0x4, 0x0, 0x1, 0x5, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x1ff, +}; +const unsigned char vlc_dc_lum_bits[12] = { + 3, 2, 2, 3, 3, 4, 5, 6, 7, 8, 9, 9, +}; + +const uint16_t vlc_dc_chroma_code[12] = { + 0x0, 0x1, 0x2, 0x6, 0xe, 0x1e, 0x3e, 0x7e, 0xfe, 0x1fe, 0x3fe, 0x3ff, +}; +const unsigned char 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 rl_mpeg1 = { + 111, + 111, + mpeg1_vlc, + mpeg1_run, + mpeg1_level, +}; + +RLTable rl_mpeg2 = { + 111, + 111, + mpeg2_vlc, + mpeg1_run, + mpeg1_level, +}; + +const uint8_t 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 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 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 uint8_t ff_mpeg1_dc_scale_table[128]={ +// 0 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 + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, + 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, +}; + +const float 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 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}, +}; |