blob: cd0c3e7d517b1fbb69b910e61ea329f0f6d211f3 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
#ifndef DECODE_H
#define DECODE_H
#include <config.h>
#if HAVE_STDINT_H
# include <stdint.h>
#endif
#include "libaec.h"
#define M_CONTINUE 1
#define M_EXIT 0
#define SAFE (strm->avail_in >= state->in_blklen \
&& strm->avail_out >= state->out_blklen)
#define ROS 5
#define MIN(a, b) (((a) < (b))? (a): (b))
struct internal_state {
int (*mode)(struct aec_stream *);
int id; /* option ID */
int id_len; /* bit length of code option identification key */
int (**id_table)(struct aec_stream *); /* table maps IDs to states */
void (*put_sample)(struct aec_stream *, int64_t);
int ref_int; /* reference sample is every ref_int samples */
int64_t last_out; /* previous output for post-processing */
int64_t xmin; /* minimum integer for post-processing */
int64_t xmax; /* maximum integer for post-processing */
int in_blklen; /* length of uncompressed input block
should be the longest possible block */
int out_blklen; /* length of output block in bytes */
int n, i; /* counter for samples */
int64_t *block; /* block buffer for split-sample options */
int se; /* set if second extension option is selected */
uint64_t acc; /* accumulator for currently used bit sequence */
int bitp; /* bit pointer to the next unused bit in accumulator */
int fs; /* last fundamental sequence in accumulator */
int ref; /* 1 if current block has reference sample */
int pp; /* 1 if postprocessor has to be used */
int byte_per_sample;
size_t samples_out;
int *se_table;
} decode_state;
#endif /* DECODE_H */
|