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1 | /* |
2 | * VC3/DNxHD encoder structure definitions and prototypes | |
3 | * Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com> | |
4 | * | |
5 | * VC-3 encoder funded by the British Broadcasting Corporation | |
6 | * | |
7 | * This file is part of FFmpeg. | |
8 | * | |
9 | * FFmpeg is free software; you can redistribute it and/or | |
10 | * modify it under the terms of the GNU Lesser General Public | |
11 | * License as published by the Free Software Foundation; either | |
12 | * version 2.1 of the License, or (at your option) any later version. | |
13 | * | |
14 | * FFmpeg is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
17 | * Lesser General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU Lesser General Public | |
20 | * License along with FFmpeg; if not, write to the Free Software | |
21 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA | |
22 | */ | |
23 | ||
24 | #ifndef AVCODEC_DNXHDENC_H | |
25 | #define AVCODEC_DNXHDENC_H | |
26 | ||
27 | #include <stdint.h> | |
28 | ||
29 | #include "mpegvideo.h" | |
30 | #include "dnxhddata.h" | |
31 | ||
32 | typedef struct RCCMPEntry { | |
33 | uint16_t mb; | |
34 | int value; | |
35 | } RCCMPEntry; | |
36 | ||
37 | typedef struct RCEntry { | |
38 | int ssd; | |
39 | int bits; | |
40 | } RCEntry; | |
41 | ||
42 | typedef struct DNXHDEncContext { | |
43 | AVClass *class; | |
44 | BlockDSPContext bdsp; | |
45 | MpegEncContext m; ///< Used for quantization dsp functions | |
46 | ||
47 | int cid; | |
48 | const CIDEntry *cid_table; | |
49 | uint8_t *msip; ///< Macroblock Scan Indexes Payload | |
50 | uint32_t *slice_size; | |
51 | uint32_t *slice_offs; | |
52 | ||
53 | struct DNXHDEncContext *thread[MAX_THREADS]; | |
54 | ||
55 | // Because our samples are either 8 or 16 bits for 8-bit and 10-bit | |
56 | // encoding respectively, these refer either to bytes or to two-byte words. | |
57 | unsigned dct_y_offset; | |
58 | unsigned dct_uv_offset; | |
59 | unsigned block_width_l2; | |
60 | ||
61 | int interlaced; | |
62 | int cur_field; | |
63 | ||
64 | int nitris_compat; | |
65 | unsigned min_padding; | |
66 | ||
67 | DECLARE_ALIGNED(16, int16_t, blocks)[8][64]; | |
68 | ||
69 | int (*qmatrix_c) [64]; | |
70 | int (*qmatrix_l) [64]; | |
71 | uint16_t (*qmatrix_l16)[2][64]; | |
72 | uint16_t (*qmatrix_c16)[2][64]; | |
73 | ||
74 | unsigned frame_bits; | |
75 | uint8_t *src[3]; | |
76 | ||
77 | uint32_t *vlc_codes; | |
78 | uint8_t *vlc_bits; | |
79 | uint16_t *run_codes; | |
80 | uint8_t *run_bits; | |
81 | ||
82 | /** Rate control */ | |
83 | unsigned slice_bits; | |
84 | unsigned qscale; | |
85 | unsigned lambda; | |
86 | ||
87 | uint16_t *mb_bits; | |
88 | uint8_t *mb_qscale; | |
89 | ||
90 | RCCMPEntry *mb_cmp; | |
91 | RCEntry (*mb_rc)[8160]; | |
92 | ||
93 | void (*get_pixels_8x4_sym)(int16_t * /* align 16 */, | |
94 | const uint8_t *, ptrdiff_t); | |
95 | } DNXHDEncContext; | |
96 | ||
97 | void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx); | |
98 | ||
99 | #endif /* AVCODEC_DNXHDENC_H */ |