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FFmpeg/libavcodec/cfhddata.c

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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++) {
avcodec/vlc: Use structure instead of VLC_TYPE array as VLC element In C, qualifiers for arrays are broken: const VLC_TYPE (*foo)[2] is a pointer to an array of two const VLC_TYPE elements and unfortunately this is not compatible with a pointer to a const array of two VLC_TYPE, because the latter does not exist as array types are never qualified (the qualifier applies to the base type instead). This is the reason why get_vlc2() doesn't accept a const VLC table despite not modifying the table at all, as there is no automatic conversion from VLC_TYPE (*)[2] to const VLC_TYPE (*)[2]. Fix this by using a structure VLCElem for the VLC table. This also has the advantage of making it clear which element is which. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2 years ago
int code = s->vlc_9.table[i].sym;
int len = s->vlc_9.table[i].len;
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
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++) {
avcodec/vlc: Use structure instead of VLC_TYPE array as VLC element In C, qualifiers for arrays are broken: const VLC_TYPE (*foo)[2] is a pointer to an array of two const VLC_TYPE elements and unfortunately this is not compatible with a pointer to a const array of two VLC_TYPE, because the latter does not exist as array types are never qualified (the qualifier applies to the base type instead). This is the reason why get_vlc2() doesn't accept a const VLC table despite not modifying the table at all, as there is no automatic conversion from VLC_TYPE (*)[2] to const VLC_TYPE (*)[2]. Fix this by using a structure VLCElem for the VLC table. This also has the advantage of making it clear which element is which. Signed-off-by: Andreas Rheinhardt <andreas.rheinhardt@outlook.com>
2 years ago
int code = s->vlc_18.table[i].sym;
int len = s->vlc_18.table[i].len;
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
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;
}