| 1 | /* |
| 2 | * |
| 3 | * This file is part of FFmpeg. |
| 4 | * |
| 5 | * FFmpeg is free software; you can redistribute it and/or |
| 6 | * modify it under the terms of the GNU Lesser General Public |
| 7 | * License as published by the Free Software Foundation; either |
| 8 | * version 2.1 of the License, or (at your option) any later version. |
| 9 | * |
| 10 | * FFmpeg is distributed in the hope that it will be useful, |
| 11 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | * Lesser General Public License for more details. |
| 14 | * |
| 15 | * You should have received a copy of the GNU Lesser General Public |
| 16 | * License along with FFmpeg; if not, write to the Free Software |
| 17 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
| 18 | */ |
| 19 | |
| 20 | #ifndef AVCODEC_ERROR_RESILIENCE_H |
| 21 | #define AVCODEC_ERROR_RESILIENCE_H |
| 22 | |
| 23 | #include <stdint.h> |
| 24 | |
| 25 | #include "avcodec.h" |
| 26 | #include "me_cmp.h" |
| 27 | #include "thread.h" |
| 28 | |
| 29 | ///< current MB is the first after a resync marker |
| 30 | #define VP_START 1 |
| 31 | #define ER_AC_ERROR 2 |
| 32 | #define ER_DC_ERROR 4 |
| 33 | #define ER_MV_ERROR 8 |
| 34 | #define ER_AC_END 16 |
| 35 | #define ER_DC_END 32 |
| 36 | #define ER_MV_END 64 |
| 37 | |
| 38 | #define ER_MB_ERROR (ER_AC_ERROR|ER_DC_ERROR|ER_MV_ERROR) |
| 39 | #define ER_MB_END (ER_AC_END|ER_DC_END|ER_MV_END) |
| 40 | |
| 41 | typedef struct ERPicture { |
| 42 | AVFrame *f; |
| 43 | ThreadFrame *tf; |
| 44 | |
| 45 | // it's the caller's responsibility to allocate these buffers |
| 46 | int16_t (*motion_val[2])[2]; |
| 47 | int8_t *ref_index[2]; |
| 48 | |
| 49 | uint32_t *mb_type; |
| 50 | int field_picture; |
| 51 | } ERPicture; |
| 52 | |
| 53 | typedef struct ERContext { |
| 54 | AVCodecContext *avctx; |
| 55 | MECmpContext *mecc; |
| 56 | |
| 57 | int *mb_index2xy; |
| 58 | int mb_num; |
| 59 | int mb_width, mb_height; |
| 60 | int mb_stride; |
| 61 | int b8_stride; |
| 62 | |
| 63 | int error_count, error_occurred; |
| 64 | uint8_t *error_status_table; |
| 65 | uint8_t *er_temp_buffer; |
| 66 | int16_t *dc_val[3]; |
| 67 | uint8_t *mbskip_table; |
| 68 | uint8_t *mbintra_table; |
| 69 | int mv[2][4][2]; |
| 70 | |
| 71 | ERPicture cur_pic; |
| 72 | ERPicture last_pic; |
| 73 | ERPicture next_pic; |
| 74 | |
| 75 | AVBufferRef *ref_index_buf[2]; |
| 76 | AVBufferRef *motion_val_buf[2]; |
| 77 | |
| 78 | uint16_t pp_time; |
| 79 | uint16_t pb_time; |
| 80 | int quarter_sample; |
| 81 | int partitioned_frame; |
| 82 | int ref_count; |
| 83 | |
| 84 | void (*decode_mb)(void *opaque, int ref, int mv_dir, int mv_type, |
| 85 | int (*mv)[2][4][2], |
| 86 | int mb_x, int mb_y, int mb_intra, int mb_skipped); |
| 87 | void *opaque; |
| 88 | } ERContext; |
| 89 | |
| 90 | void ff_er_frame_start(ERContext *s); |
| 91 | void ff_er_frame_end(ERContext *s); |
| 92 | void ff_er_add_slice(ERContext *s, int startx, int starty, int endx, int endy, |
| 93 | int status); |
| 94 | |
| 95 | #endif /* AVCODEC_ERROR_RESILIENCE_H */ |