2 * VC3/DNxHD encoder structure definitions and prototypes
3 * Copyright (c) 2007 Baptiste Coudurier <baptiste dot coudurier at smartjog dot com>
5 * VC-3 encoder funded by the British Broadcasting Corporation
7 * This file is part of Libav.
9 * Libav 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.
14 * Libav 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.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with Libav; if not, write to the Free Software
21 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
24 #ifndef AVCODEC_DNXHDENC_H
25 #define AVCODEC_DNXHDENC_H
31 #include "mpegvideo.h"
32 #include "dnxhddata.h"
34 typedef struct RCCMPEntry {
39 typedef struct RCEntry {
44 typedef struct DNXHDEncContext {
47 MpegEncContext m; ///< Used for quantization dsp functions
50 const CIDEntry *cid_table;
51 uint8_t *msip; ///< Macroblock Scan Indexes Payload
55 struct DNXHDEncContext *thread[MAX_THREADS];
57 // Because our samples are either 8 or 16 bits for 8-bit and 10-bit
58 // encoding respectively, these refer either to bytes or to two-byte words.
59 unsigned dct_y_offset;
60 unsigned dct_uv_offset;
61 unsigned block_width_l2;
70 DECLARE_ALIGNED(16, int16_t, blocks)[8][64];
72 int (*qmatrix_c) [64];
73 int (*qmatrix_l) [64];
74 uint16_t (*qmatrix_l16)[2][64];
75 uint16_t (*qmatrix_c16)[2][64];
96 RCEntry (*mb_rc)[8160];
98 void (*get_pixels_8x4_sym)(int16_t *restrict /* align 16 */ block,
99 const uint8_t *pixels, ptrdiff_t line_size);
102 void ff_dnxhdenc_init_x86(DNXHDEncContext *ctx);
104 #endif /* AVCODEC_DNXHDENC_H */