| 1 | /* |
| 2 | * VC3/DNxHD decoder. |
| 3 | * Copyright (c) 2007 SmartJog S.A., Baptiste Coudurier <baptiste dot coudurier at smartjog dot com> |
| 4 | * |
| 5 | * This file is part of FFmpeg. |
| 6 | * |
| 7 | * FFmpeg is free software; you can redistribute it and/or |
| 8 | * modify it under the terms of the GNU Lesser General Public |
| 9 | * License as published by the Free Software Foundation; either |
| 10 | * version 2.1 of the License, or (at your option) any later version. |
| 11 | * |
| 12 | * FFmpeg is distributed in the hope that it will be useful, |
| 13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 15 | * Lesser General Public License for more details. |
| 16 | * |
| 17 | * You should have received a copy of the GNU Lesser General Public |
| 18 | * License along with FFmpeg; if not, write to the Free Software |
| 19 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 20 | */ |
| 21 | |
| 22 | #ifndef AVCODEC_DNXHDDATA_H |
| 23 | #define AVCODEC_DNXHDDATA_H |
| 24 | |
| 25 | #include <stdint.h> |
| 26 | #include "avcodec.h" |
| 27 | #include "libavutil/internal.h" |
| 28 | |
| 29 | typedef struct CIDEntry { |
| 30 | int cid; |
| 31 | unsigned int width, height; |
| 32 | int interlaced; |
| 33 | unsigned int frame_size; |
| 34 | unsigned int coding_unit_size; |
| 35 | int index_bits; |
| 36 | int bit_depth; |
| 37 | int eob_index; |
| 38 | const uint8_t *luma_weight, *chroma_weight; |
| 39 | const uint8_t *dc_codes, *dc_bits; |
| 40 | const uint16_t *ac_codes; |
| 41 | const uint8_t *ac_bits, *ac_level; |
| 42 | const uint8_t *ac_flags; |
| 43 | const uint16_t *run_codes; |
| 44 | const uint8_t *run_bits, *run; |
| 45 | int bit_rates[5]; ///< Helper to choose variants, rounded to nearest 5Mb/s |
| 46 | AVRational frame_rates[5]; |
| 47 | } CIDEntry; |
| 48 | |
| 49 | extern const CIDEntry ff_dnxhd_cid_table[]; |
| 50 | |
| 51 | int ff_dnxhd_get_cid_table(int cid); |
| 52 | int ff_dnxhd_find_cid(AVCodecContext *avctx, int bit_depth); |
| 53 | void ff_dnxhd_print_profiles(AVCodecContext *avctx, int loglevel); |
| 54 | |
| 55 | int avpriv_dnxhd_get_frame_size(int cid); |
| 56 | |
| 57 | #endif /* AVCODEC_DNXHDDATA_H */ |