mirror of https://git.ffmpeg.org/ffmpeg.git
103 lines
3.9 KiB
C
103 lines
3.9 KiB
C
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/*
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* This file is part of Libav.
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*
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* Libav is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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*
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* Libav is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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*
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* You should have received a copy of the GNU Lesser General Public
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* License along with Libav; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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const uint8_t ff_default_chroma_qscale_table[32] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15,
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16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31
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};
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const uint8_t ff_mpeg1_dc_scale_table[128] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8,
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};
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static const uint8_t mpeg2_dc_scale_table1[128] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4,
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};
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static const uint8_t mpeg2_dc_scale_table2[128] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
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};
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static const uint8_t mpeg2_dc_scale_table3[128] = {
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// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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};
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const uint8_t *const ff_mpeg2_dc_scale_table[4] = {
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ff_mpeg1_dc_scale_table,
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mpeg2_dc_scale_table1,
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mpeg2_dc_scale_table2,
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mpeg2_dc_scale_table3,
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};
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const uint8_t ff_alternate_horizontal_scan[64] = {
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0, 1, 2, 3, 8, 9, 16, 17,
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10, 11, 4, 5, 6, 7, 15, 14,
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13, 12, 19, 18, 24, 25, 32, 33,
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26, 27, 20, 21, 22, 23, 28, 29,
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30, 31, 34, 35, 40, 41, 48, 49,
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42, 43, 36, 37, 38, 39, 44, 45,
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46, 47, 50, 51, 56, 57, 58, 59,
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52, 53, 54, 55, 60, 61, 62, 63,
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};
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const uint8_t ff_alternate_vertical_scan[64] = {
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0, 8, 16, 24, 1, 9, 2, 10,
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17, 25, 32, 40, 48, 56, 57, 49,
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41, 33, 26, 18, 3, 11, 4, 12,
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19, 27, 34, 42, 50, 58, 35, 43,
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51, 59, 20, 28, 5, 13, 6, 14,
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21, 29, 36, 44, 52, 60, 37, 45,
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53, 61, 22, 30, 7, 15, 23, 31,
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38, 46, 54, 62, 39, 47, 55, 63,
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};
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