diff options
author | Michael Niedermayer <michaelni@gmx.at> | 2015-06-01 02:17:40 +0300 |
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committer | Michael Niedermayer <michaelni@gmx.at> | 2015-06-01 02:26:36 +0300 |
commit | fd116b8dfa731122e1b6f8ededf00074940e2848 (patch) | |
tree | 04a8e8e78033b0d322262df3809efc7a9823153f /libavcodec/mpegvideodata.c | |
parent | eb5a308d0e75120425c926b25b7141e2e8ea49bd (diff) | |
parent | 378a00087fdadcc9b34165c05cd10a1a15f3fe61 (diff) |
Merge commit '378a00087fdadcc9b34165c05cd10a1a15f3fe61'
* commit '378a00087fdadcc9b34165c05cd10a1a15f3fe61':
mpegvideo: Move tables to a separate file
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavcodec/mpegvideodata.c')
-rw-r--r-- | libavcodec/mpegvideodata.c | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/libavcodec/mpegvideodata.c b/libavcodec/mpegvideodata.c new file mode 100644 index 0000000000..5c0c9c52b9 --- /dev/null +++ b/libavcodec/mpegvideodata.c @@ -0,0 +1,102 @@ +/* + * 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 + */ + +#include <stdint.h> + +const uint8_t ff_default_chroma_qscale_table[32] = { +// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 + 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 +}; + +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 + 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, +}; + +static const uint8_t mpeg2_dc_scale_table1[128] = { +// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, +}; + +static const uint8_t mpeg2_dc_scale_table2[128] = { +// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, + 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, +}; + +static const uint8_t mpeg2_dc_scale_table3[128] = { +// 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, + 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, +}; + +const uint8_t *const ff_mpeg2_dc_scale_table[4] = { + ff_mpeg1_dc_scale_table, + mpeg2_dc_scale_table1, + mpeg2_dc_scale_table2, + mpeg2_dc_scale_table3, +}; + +const uint8_t ff_alternate_horizontal_scan[64] = { + 0, 1, 2, 3, 8, 9, 16, 17, + 10, 11, 4, 5, 6, 7, 15, 14, + 13, 12, 19, 18, 24, 25, 32, 33, + 26, 27, 20, 21, 22, 23, 28, 29, + 30, 31, 34, 35, 40, 41, 48, 49, + 42, 43, 36, 37, 38, 39, 44, 45, + 46, 47, 50, 51, 56, 57, 58, 59, + 52, 53, 54, 55, 60, 61, 62, 63, +}; + +const uint8_t ff_alternate_vertical_scan[64] = { + 0, 8, 16, 24, 1, 9, 2, 10, + 17, 25, 32, 40, 48, 56, 57, 49, + 41, 33, 26, 18, 3, 11, 4, 12, + 19, 27, 34, 42, 50, 58, 35, 43, + 51, 59, 20, 28, 5, 13, 6, 14, + 21, 29, 36, 44, 52, 60, 37, 45, + 53, 61, 22, 30, 7, 15, 23, 31, + 38, 46, 54, 62, 39, 47, 55, 63, +}; |