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path: root/libavcodec/dnxhdenc.h (plain)
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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 "config.h"
30
31#include "mpegvideo.h"
32#include "dnxhddata.h"
33
34typedef struct RCCMPEntry {
35 uint16_t mb;
36 int value;
37} RCCMPEntry;
38
39typedef struct RCEntry {
40 int ssd;
41 int bits;
42} RCEntry;
43
44typedef 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
110void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx);
111
112#endif /* AVCODEC_DNXHDENC_H */
113