blob: 9b43f6e9c658003dfe6e0cabf69dee171293a9db
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 "config.h" |
30 | |
31 | #include "mpegvideo.h" |
32 | #include "dnxhddata.h" |
33 | |
34 | typedef struct RCCMPEntry { |
35 | uint16_t mb; |
36 | int value; |
37 | } RCCMPEntry; |
38 | |
39 | typedef struct RCEntry { |
40 | int ssd; |
41 | int bits; |
42 | } RCEntry; |
43 | |
44 | typedef struct DNXHDEncContext { |
45 | AVClass *class; |
46 | BlockDSPContext bdsp; |
47 | MpegEncContext m; ///< Used for quantization dsp functions |
48 | |
49 | int cid; |
50 | int profile; |
51 | int bit_depth; |
52 | int is_444; |
53 | const CIDEntry *cid_table; |
54 | uint8_t *msip; ///< Macroblock Scan Indexes Payload |
55 | uint32_t *slice_size; |
56 | uint32_t *slice_offs; |
57 | |
58 | struct DNXHDEncContext *thread[MAX_THREADS]; |
59 | |
60 | // Because our samples are either 8 or 16 bits for 8-bit and 10-bit |
61 | // encoding respectively, these refer either to bytes or to two-byte words. |
62 | unsigned dct_y_offset; |
63 | unsigned dct_uv_offset; |
64 | unsigned block_width_l2; |
65 | |
66 | int frame_size; |
67 | int coding_unit_size; |
68 | int data_offset; |
69 | |
70 | int interlaced; |
71 | int cur_field; |
72 | |
73 | int nitris_compat; |
74 | unsigned min_padding; |
75 | int intra_quant_bias; |
76 | |
77 | DECLARE_ALIGNED(16, int16_t, blocks)[12][64]; |
78 | DECLARE_ALIGNED(16, uint8_t, edge_buf_y)[256]; |
79 | DECLARE_ALIGNED(16, uint8_t, edge_buf_uv)[2][256]; |
80 | |
81 | int (*qmatrix_c) [64]; |
82 | int (*qmatrix_l) [64]; |
83 | uint16_t (*qmatrix_l16)[2][64]; |
84 | uint16_t (*qmatrix_c16)[2][64]; |
85 | |
86 | unsigned frame_bits; |
87 | uint8_t *src[3]; |
88 | |
89 | uint32_t *vlc_codes; |
90 | uint8_t *vlc_bits; |
91 | uint16_t *run_codes; |
92 | uint8_t *run_bits; |
93 | |
94 | /** Rate control */ |
95 | unsigned slice_bits; |
96 | unsigned qscale; |
97 | unsigned lambda; |
98 | |
99 | uint16_t *mb_bits; |
100 | uint8_t *mb_qscale; |
101 | |
102 | RCCMPEntry *mb_cmp; |
103 | RCCMPEntry *mb_cmp_tmp; |
104 | RCEntry *mb_rc; |
105 | |
106 | void (*get_pixels_8x4_sym)(int16_t *av_restrict /* align 16 */ block, |
107 | const uint8_t *pixels, ptrdiff_t line_size); |
108 | } DNXHDEncContext; |
109 | |
110 | void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx); |
111 | |
112 | #endif /* AVCODEC_DNXHDENC_H */ |
113 |