Imported Debian version 2.4.3~trusty1
[deb_ffmpeg.git] / ffmpeg / libavcodec / error_resilience.h
CommitLineData
2ba45a60
DM
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
41typedef 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
53typedef 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
90void ff_er_frame_start(ERContext *s);
91void ff_er_frame_end(ERContext *s);
92void ff_er_add_slice(ERContext *s, int startx, int starty, int endx, int endy,
93 int status);
94
95#endif /* AVCODEC_ERROR_RESILIENCE_H */