Chiebot-Mirror
/
FFmpeg
mirror of https://github.com/FFmpeg/FFmpeg.git
8
0
Fork 0
Code Issues Projects Releases Wiki Activity
You can not select more than 25 topics Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
100127 Commits
37 Branches
400 Tags
465 MiB
Tag: Branch: Tree: 0a5ff19643
Branches Tags
${ item.name }
Create tag ${ searchTerm }
Create branch ${ searchTerm }
from '0a5ff19643'
${ noResults }
FFmpeg/libavcodec/cfhddata.c

372 lines
15 KiB
Raw Normal View History Unescape

avcodec: Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Alpha requires addition of GBRAP12 pixel format.
9 years ago
/*
* Copyright (c) 2015 Kieran Kunhya
*
* 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
*/
Add Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Further fixes and refactorings by Anton Khirnov <anton@khirnov.net>, Diego Biurrun <diego@biurrun.de>, Vittorio Giovara <vittorio.giovara@gmail.com> Signed-off-by: Diego Biurrun <diego@biurrun.de>
9 years ago
#include <stdint.h>
#include "libavutil/attributes.h"
avcodec: Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Alpha requires addition of GBRAP12 pixel format.
9 years ago
#include "cfhd.h"
/* some special codewords, not sure what they all mean */
#define TABLE_9_BAND_END1 0x1C7859Eh
#define TABLE_9_BAND_END_LEN1 25
#define TABLE_9_BAND_END2 0x38F0B3Fh
#define TABLE_9_BAND_END_LEN2 26
#define TABLE_9_BAND_END3 0x38F0B3Eh
#define TABLE_9_BAND_END_LEN3 26
Add Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Further fixes and refactorings by Anton Khirnov <anton@khirnov.net>, Diego Biurrun <diego@biurrun.de>, Vittorio Giovara <vittorio.giovara@gmail.com> Signed-off-by: Diego Biurrun <diego@biurrun.de>
9 years ago
#define NB_VLC_TABLE_9 (71 + 3)
#define NB_VLC_TABLE_18 (263 + 1)
static const uint32_t table_9_vlc_bits[NB_VLC_TABLE_9] = {
0, 0x2, 0xc, 0x1a,
0x1d, 0x1e, 0x39, 0x3e,
0x37, 0x7e, 0x6c, 0xe2,
0xfe, 0xdb, 0xe0, 0x1c3,
0x1c6, 0x1ff, 0x1fe, 0x1b5,
0x369, 0x385, 0x71d, 0x6d0,
0x708, 0x71f, 0xe3d, 0xe39,
0xe13, 0xe12, 0x1c71, 0x1b45,
0x1b47, 0x3689, 0x38f2, 0x38e1,
0x38e0, 0x38f1, 0x3688, 0x6d1b,
0x71e0, 0x6d19, 0x71e7, 0xe3cd,
0xda35, 0xda30, 0xe3c3, 0x1b469,
0x1b462, 0x1c798, 0x1b463, 0x1c799,
0x38f08, 0x38f09, 0x38f0a, 0x6d1a0,
0x6d1a3, 0x6d1a1, 0xda345, 0xda344,
0xe3c2d, 0xe3c2f, 0xe3c2e, 0x38f0b2,
0x71e160, 0x71e162, 0x71e166, 0x71e161,
0xe3c2ce, 0xe3c2c6, 0xe3c2c7, 0x1C7859E,
0x38F0B3F, 0x38F0B3E,
};
avcodec: Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Alpha requires addition of GBRAP12 pixel format.
9 years ago
static const uint8_t table_9_vlc_len[NB_VLC_TABLE_9] = {
1, 2, 4, 5, 5, 5, 6, 6,
6, 7, 7, 8, 8, 8, 8, 9,
9, 9, 9, 9, 10, 10, 11, 11,
11, 11, 12, 12, 12, 12, 13, 13,
13, 14, 14, 14, 14, 14, 14, 15,
15, 15, 15, 16, 16, 16, 16, 17,
17, 17, 17, 17, 18, 18, 18, 19,
19, 19, 20, 20, 20, 20, 20, 22,
23, 23, 23, 23, 24, 24, 24, 25,
26, 26,
};
static const uint16_t table_9_vlc_run[NB_VLC_TABLE_9] = {
1, 1, 1, 1, 12, 1, 32, 160,
1, 1, 1, 320, 1, 1, 80, 120,
1, 1, 100, 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
};
static const uint8_t table_9_vlc_level[NB_VLC_TABLE_9] = {
0, 1, 2, 3, 0, 4, 0, 0,
5, 7, 6, 0, 9, 8, 0, 0,
11, 12, 0, 10, 13, 14, 17, 15,
16, 18, 22, 21, 20, 19, 25, 23,
24, 27, 31, 29, 28, 30, 26, 33,
34, 32, 35, 39, 37, 36, 38, 42,
40, 43, 41, 44, 45, 46, 47, 48,
50, 49, 52, 51, 53, 55, 54, 56,
57, 59, 60, 58, 61, 62, 63, 64,
64, 64,
};
static const uint32_t table_18_vlc_bits[NB_VLC_TABLE_18] = {
Add Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Further fixes and refactorings by Anton Khirnov <anton@khirnov.net>, Diego Biurrun <diego@biurrun.de>, Vittorio Giovara <vittorio.giovara@gmail.com> Signed-off-by: Diego Biurrun <diego@biurrun.de>
9 years ago
0, 0x2, 0x7, 0x19,
0x30, 0x36, 0x6f, 0x63,
0x69, 0x6b, 0xd1, 0xd4,
0xdc, 0x189, 0x18a, 0x1a0,
0x1ab, 0x377, 0x310, 0x316,
0x343, 0x354, 0x375, 0x623,
0x684, 0x685, 0x6ab, 0x6ec,
0xddb, 0xc5c, 0xc5e, 0xc44,
0xd55, 0xdd1, 0xdd3, 0x1bb5,
0x188b, 0x18bb, 0x18bf, 0x1aa8,
0x1ba0, 0x1ba5, 0x1ba4, 0x3115,
0x3175, 0x317d, 0x3553, 0x3768,
0x6e87, 0x6ed3, 0x62e8, 0x62f8,
0x6228, 0x6aa4, 0x6e85, 0xc453,
0xc5d3, 0xc5f3, 0xdda4, 0xdd08,
0xdd0c, 0x1bb4b, 0x1bb4a, 0x18ba5,
0x18be5, 0x1aa95, 0x1aa97, 0x188a4,
0x1ba13, 0x31748, 0x317c8, 0x35528,
0x3552c, 0x37424, 0x37434, 0x37436,
0x62294, 0x62e92, 0x62f92, 0x6aa52,
0x6aa5a, 0x6e86a, 0x6e86e, 0x6e84a,
0xc452a, 0xc5d27, 0xc5f26, 0xd54a6,
0xd54b6, 0xdd096, 0xdd0d6, 0xdd0de,
0x188a56, 0x18ba4d, 0x18be4e, 0x18be4f,
0x1aa96e, 0x1ba12e, 0x1ba12f, 0x1ba1af,
0x1ba1bf, 0x37435d, 0x37437d, 0x317498,
0x35529c, 0x35529d, 0x3552de, 0x3552df,
0x62e933, 0x62295d, 0x6aa53d, 0x6aa53f,
0x6aa53e, 0x6e86b9, 0x6e86f8, 0xd54a79,
0xc5d265, 0xc452b8, 0xdd0d71, 0xd54a78,
0xdd0d70, 0xdd0df2, 0xdd0df3, 0x188a5f6,
0x188a5f5, 0x188a5f4, 0x188a5f3, 0x188a5f2,
0x188a5f1, 0x188a5f0, 0x188a5ef, 0x188a5ee,
0x188a5ed, 0x188a5aa, 0x188a5e3, 0x188a5df,
0x188a589, 0x188a5dd, 0x188a578, 0x188a5e0,
0x188a588, 0x188a5d6, 0x188a5db, 0x188a5e1,
0x188a587, 0x188a59a, 0x188a5c4, 0x188a5ec,
0x188a586, 0x188a573, 0x188a59c, 0x188a5c8,
0x188a5fb, 0x188a5a1, 0x188a5eb, 0x188a5a8,
0x188a584, 0x188a5d2, 0x188a599, 0x188a598,
0x188a583, 0x18ba4c9, 0x188a5d0, 0x188a594,
0x188a582, 0x188a5cb, 0x188a5d8, 0x188a5e7,
0x188a581, 0x188a5ea, 0x188a5a9, 0x188a5a6,
0x188a580, 0x188a5a0, 0x188a59d, 0x188a5c3,
0x188a57f, 0x188a5c0, 0x188a5de, 0x188a5d4,
0x188a57e, 0x188a5c2, 0x188a592, 0x188a5cd,
0x188a57d, 0x188a5a3, 0x188a5e8, 0x188a5a2,
0x188a57c, 0x188a58e, 0x188a5b3, 0x188a5b2,
0x188a5b1, 0x188a5b0, 0x188a5af, 0x188a5ae,
0x188a5ad, 0x188a5ac, 0x188a5ab, 0x188a5da,
0x188a5e4, 0x188a5e5, 0x188a5d9, 0x188a5b5,
0x188a5bc, 0x188a5bd, 0x188a5e9, 0x188a5cc,
0x188a585, 0x188a5d3, 0x188a5e2, 0x188a595,
0x188a596, 0x188a5b8, 0x188a590, 0x188a5c9,
0x188a5a4, 0x188a5e6, 0x188a5a5, 0x188a5ce,
0x188a5bf, 0x188a572, 0x188a59b, 0x188a5be,
0x188a5c7, 0x188a5ca, 0x188a5d5, 0x188a57b,
0x188a58d, 0x188a58c, 0x188a58b, 0x188a58a,
0x18ba4c8, 0x188a5c5, 0x188a5fa, 0x188a5bb,
0x188a5c1, 0x188a5cf, 0x188a5b9, 0x188a5b6,
0x188a597, 0x188a5fe, 0x188a5d7, 0x188a5ba,
0x188a591, 0x188a5c6, 0x188a5dc, 0x188a57a,
0x188a59f, 0x188a5f9, 0x188a5b4, 0x188a5a7,
0x188a58f, 0x188a5fd, 0x188a5b7, 0x188a593,
0x188a59e, 0x188a5f8, 0x188a5ff, 0x188a5fc,
0x188a579, 0x188a5f7, 0x3114ba2, 0x3114ba3,
avcodec: Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Alpha requires addition of GBRAP12 pixel format.
9 years ago
};
static const uint8_t table_18_vlc_len[NB_VLC_TABLE_18] = {
1, 2, 3, 5, 6, 6, 7, 7,
7, 7, 8, 8, 8, 9, 9, 9,
9, 10, 10, 10, 10, 10, 10, 11,
11, 11, 11, 11, 12, 12, 12, 12,
12, 12, 12, 13, 13, 13, 13, 13,
13, 13, 13, 14, 14, 14, 14, 14,
15, 15, 15, 15, 15, 15, 15, 16,
16, 16, 16, 16, 16, 17, 17, 17,
17, 17, 17, 17, 17, 18, 18, 18,
18, 18, 18, 18, 19, 19, 19, 19,
19, 19, 19, 19, 20, 20, 20, 20,
20, 20, 20, 20, 21, 21, 21, 21,
21, 21, 21, 21, 21, 22, 22, 22,
22, 22, 22, 22, 23, 23, 23, 23,
23, 23, 23, 24, 24, 24, 24, 24,
24, 24, 24, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 26, 26,
};
static const uint16_t table_18_vlc_run[NB_VLC_TABLE_18] = {
Add Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Further fixes and refactorings by Anton Khirnov <anton@khirnov.net>, Diego Biurrun <diego@biurrun.de>, Vittorio Giovara <vittorio.giovara@gmail.com> Signed-off-by: Diego Biurrun <diego@biurrun.de>
9 years ago
1, 1, 1, 1, 1, 1, 1, 1,
12, 1, 20, 1, 1, 1, 32, 1,
1, 1, 1, 1, 60, 1, 1, 1,
1, 100, 1, 1, 1, 1, 1, 1,
1, 1, 1, 1, 1, 1, 180, 1,
1, 320, 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, 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, 2,
avcodec: Cineform HD Decoder Decodes YUV 4:2:2 10-bit and RGB 12-bit files. Older files with more subbands, skips, Bayer, alpha not supported. Alpha requires addition of GBRAP12 pixel format.
9 years ago
};
static const uint8_t table_18_vlc_level[NB_VLC_TABLE_18] = {
0, 1, 2, 3, 4, 5, 8, 6,
0, 7, 0, 9, 10, 11, 0, 12,
13, 18, 14, 15, 0, 16, 17, 19,
20, 0, 21, 22, 29, 24, 25, 23,
26, 27, 28, 35, 30, 31, 0, 32,
33, 0, 34, 36, 37, 38, 39, 40,
46, 47, 42, 43, 41, 44, 45, 48,
49, 50, 53, 51, 52, 61, 60, 55,
56, 57, 58, 54, 59, 62, 63, 64,
65, 66, 67, 68, 69, 70, 71, 72,
73, 75, 76, 74, 77, 78, 79, 80,
81, 82, 83, 84, 85, 86, 87, 88,
89, 90, 91, 92, 93, 99, 100, 94,
95, 96, 97, 98, 102, 101, 103, 105,
104, 106, 107, 111, 109, 108, 113, 110,
112, 114, 115, 225, 189, 188, 203, 202,
197, 207, 169, 223, 159, 235, 152, 192,
179, 201, 172, 149, 178, 120, 219, 150,
127, 211, 125, 158, 247, 238, 163, 228,
183, 217, 168, 122, 128, 249, 187, 186,
136, 181, 255, 230, 135, 233, 222, 145,
134, 167, 248, 209, 243, 216, 164, 140,
157, 239, 191, 251, 156, 139, 242, 133,
162, 213, 165, 212, 227, 198, 236, 234,
117, 215, 124, 123, 254, 253, 148, 218,
146, 147, 224, 143, 184, 185, 166, 132,
129, 250, 151, 119, 193, 176, 245, 229,
206, 144, 208, 137, 241, 237, 190, 240,
131, 232, 252, 171, 205, 204, 118, 214,
180, 126, 182, 175, 141, 138, 177, 153,
194, 160, 121, 174, 246, 130, 200, 170,
221, 196, 142, 210, 199, 155, 154, 244,
220, 195, 161, 231, 173, 226, 116, 255,
};
av_cold int ff_cfhd_init_vlcs(CFHDContext *s)
{
int i, j, ret = 0;
uint32_t new_cfhd_vlc_bits[NB_VLC_TABLE_18 * 2];
uint8_t new_cfhd_vlc_len[NB_VLC_TABLE_18 * 2];
uint16_t new_cfhd_vlc_run[NB_VLC_TABLE_18 * 2];
int16_t new_cfhd_vlc_level[NB_VLC_TABLE_18 * 2];
/** Similar to dv.c, generate signed VLC tables **/
/* Table 9 */
for (i = 0, j = 0; i < NB_VLC_TABLE_9; i++, j++) {
new_cfhd_vlc_bits[j] = table_9_vlc_bits[i];
new_cfhd_vlc_len[j] = table_9_vlc_len[i];
new_cfhd_vlc_run[j] = table_9_vlc_run[i];
new_cfhd_vlc_level[j] = table_9_vlc_level[i];
/* Don't include the zero level nor escape bits */
if (table_9_vlc_level[i] &&
new_cfhd_vlc_bits[j] != table_9_vlc_bits[NB_VLC_TABLE_9-1]) {
new_cfhd_vlc_bits[j] <<= 1;
new_cfhd_vlc_len[j]++;
j++;
new_cfhd_vlc_bits[j] = (table_9_vlc_bits[i] << 1) | 1;
new_cfhd_vlc_len[j] = table_9_vlc_len[i] + 1;
new_cfhd_vlc_run[j] = table_9_vlc_run[i];
new_cfhd_vlc_level[j] = -table_9_vlc_level[i];
}
}
ret = init_vlc(&s->vlc_9, VLC_BITS, j, new_cfhd_vlc_len,
1, 1, new_cfhd_vlc_bits, 4, 4, 0);
if (ret < 0)
return ret;
for (i = 0; i < s->vlc_9.table_size; i++) {
int code = s->vlc_9.table[i][0];
int len = s->vlc_9.table[i][1];
int level, run;
if (len < 0) { // more bits needed
run = 0;
level = code;
} else {
run = new_cfhd_vlc_run[code];
level = new_cfhd_vlc_level[code];
}
s->table_9_rl_vlc[i].len = len;
s->table_9_rl_vlc[i].level = level;
s->table_9_rl_vlc[i].run = run;
}
/* Table 18 */
for (i = 0, j = 0; i < NB_VLC_TABLE_18; i++, j++) {
new_cfhd_vlc_bits[j] = table_18_vlc_bits[i];
new_cfhd_vlc_len[j] = table_18_vlc_len[i];
new_cfhd_vlc_run[j] = table_18_vlc_run[i];
new_cfhd_vlc_level[j] = table_18_vlc_level[i];
/* Don't include the zero level nor escape bits */
if (table_18_vlc_level[i] &&
new_cfhd_vlc_bits[j] != table_18_vlc_bits[NB_VLC_TABLE_18-1]) {
new_cfhd_vlc_bits[j] <<= 1;
new_cfhd_vlc_len[j]++;
j++;
new_cfhd_vlc_bits[j] = (table_18_vlc_bits[i] << 1) | 1;
new_cfhd_vlc_len[j] = table_18_vlc_len[i] + 1;
new_cfhd_vlc_run[j] = table_18_vlc_run[i];
new_cfhd_vlc_level[j] = -table_18_vlc_level[i];
}
}
ret = init_vlc(&s->vlc_18, VLC_BITS, j, new_cfhd_vlc_len,
1, 1, new_cfhd_vlc_bits, 4, 4, 0);
if (ret < 0)
return ret;
av_assert0(s->vlc_18.table_size == 4572);
for (i = 0; i < s->vlc_18.table_size; i++) {
int code = s->vlc_18.table[i][0];
int len = s->vlc_18.table[i][1];
int level, run;
if (len < 0) { // more bits needed
run = 0;
level = code;
} else {
run = new_cfhd_vlc_run[code];
level = new_cfhd_vlc_level[code];
}
s->table_18_rl_vlc[i].len = len;
s->table_18_rl_vlc[i].level = level;
s->table_18_rl_vlc[i].run = run;
}
return ret;
}