| 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 */ |