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error_resilience.h
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1 /*
2  * This file is part of FFmpeg.
3  *
4  * FFmpeg is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU Lesser General Public
6  * License as published by the Free Software Foundation; either
7  * version 2.1 of the License, or (at your option) any later version.
8  *
9  * FFmpeg is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
12  * Lesser General Public License for more details.
13  *
14  * You should have received a copy of the GNU Lesser General Public
15  * License along with FFmpeg; if not, write to the Free Software
16  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #ifndef AVCODEC_ERROR_RESILIENCE_H
20 #define AVCODEC_ERROR_RESILIENCE_H
21 
22 #include <stdint.h>
23 
24 #include "avcodec.h"
25 #include "me_cmp.h"
26 #include "thread.h"
27 
28 ///< current MB is the first after a resync marker
29 #define VP_START 1
30 #define ER_AC_ERROR 2
31 #define ER_DC_ERROR 4
32 #define ER_MV_ERROR 8
33 #define ER_AC_END 16
34 #define ER_DC_END 32
35 #define ER_MV_END 64
36 
37 #define ER_MB_ERROR (ER_AC_ERROR|ER_DC_ERROR|ER_MV_ERROR)
38 #define ER_MB_END (ER_AC_END|ER_DC_END|ER_MV_END)
39 
40 typedef struct ERPicture {
43 
44  // it's the caller's responsibility to allocate these buffers
45  int16_t (*motion_val[2])[2];
46  int8_t *ref_index[2];
47 
48  uint32_t *mb_type;
50 } ERPicture;
51 
52 typedef struct ERContext {
56 
58  int mb_num;
60  int mb_stride;
61  int b8_stride;
62 
63  volatile int error_count;
67  int16_t *dc_val[3];
70  int mv[2][4][2];
71 
75 
78 
79  uint16_t pp_time;
80  uint16_t pb_time;
83  int ref_count;
84 
85  void (*decode_mb)(void *opaque, int ref, int mv_dir, int mv_type,
86  int (*mv)[2][4][2],
87  int mb_x, int mb_y, int mb_intra, int mb_skipped);
88  void *opaque;
89 } ERContext;
90 
93 void ff_er_add_slice(ERContext *s, int startx, int starty, int endx, int endy,
94  int status);
95 
96 #endif /* AVCODEC_ERROR_RESILIENCE_H */
const char * s
Definition: avisynth_c.h:631
This structure describes decoded (raw) audio or video data.
Definition: frame.h:180
AVBufferRef * motion_val_buf[2]
uint32_t * mb_type
ERPicture last_pic
uint16_t pp_time
uint8_t
AVBufferRef * ref_index_buf[2]
Multithreading support functions.
ERPicture cur_pic
static int ref[MAX_W *MAX_W]
void(* decode_mb)(void *opaque, int ref, int mv_dir, int mv_type, int(*mv)[2][4][2], int mb_x, int mb_y, int mb_intra, int mb_skipped)
ThreadFrame * tf
uint8_t * mbintra_table
int * mb_index2xy
uint8_t * error_status_table
uint8_t * er_temp_buffer
void ff_er_frame_end(ERContext *s)
typedef void(APIENTRY *FF_PFNGLACTIVETEXTUREPROC)(GLenum texture)
uint16_t pb_time
Libavcodec external API header.
ERPicture next_pic
main external API structure.
Definition: avcodec.h:1642
void ff_er_frame_start(ERContext *s)
MECmpContext mecc
AVCodecContext * avctx
int8_t * ref_index[2]
A reference to a data buffer.
Definition: buffer.h:81
void ff_er_add_slice(ERContext *s, int startx, int starty, int endx, int endy, int status)
Add a slice.
volatile int error_count
int partitioned_frame
int16_t * dc_val[3]
AVFrame * f
int mv[2][4][2]
int16_t(*[2] motion_val)[2]
uint8_t * mbskip_table