audio_dec.h
1.94 KB
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
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
#ifndef _AUDIO_DEC_H_
#define _AUDIO_DEC_H_
#include "hw_codec.h"
#define CO_PROCESSOR_MASK_BITS 0x03
typedef enum {
DECODE_NONE = 0,
DECODE_MP3,
DECODE_WMA,
#if 1//def WAV_DEC
DECODE_WAV,
#endif
DECODE_SL_SLAVE,
DECODE_SBC,
DECODE_PCM_DOWNSAMPLE,
DECODE_HFP,
DECODE_PCM,
DECODE_SPDIF,
#if 1//def DOLBY_AC3_DEC
DECODE_DD_AC3,
#endif
#if 1//(defined(USB_SPEAKER) || defined(AOA_USB_AUDIO))
DECODE_USB_SPEAKER,
#endif
DECODE_LC3,
DECODE_UNKNOW = 0xffff
}DECODE_ID;
enum {
DECODE_SET,
DECODE_FRAME,
DECODE_INIT,
DECODE_EXIT,
#if 0
DECODE_BUFF_INIT,
DECODE_EQ_SET,
DECODE_VOLUME_SET,
DECODE_SRC_INIT,
MP3ENC_INIT, /*in the decoding meantime, maybe encoding*/
ID3_DEC
#endif
};
typedef enum {
/****err code, Analyzed by each codec****/
DECODE_ERR1,
DECODE_ERR2,
DECODE_ERR3,
DECODE_ERR4,
DECODE_ERR5,
DECODE_ERR6,
DECODE_ERR7,
DECODE_ERR8,
DECODE_SUCCESS = 0xFD,
DECODE_END = 0xFE,
DECODE_USER_EXIT = 0xFF,
}DECODE_RETs;
typedef struct {
char *dec_name;
void (*init) (void);
// void (*open) (void);
void (*fini) (int reason);
// void (*close) (void);
int (*decode) (U8 **out,U16 *plen);
} DECODE_DEVICE;
extern volatile U8 wRequestDecodeFrameExit;
extern volatile U8 task_dec_cnt;
extern int decode_type;
extern U8 wCodecBusy;
extern U8 decoding_flag;
extern U8 ex_audio_stream_zero;
extern U16 dec_frame_size;
#ifdef AUDIO_24_BIT_OUTPUT
#define SAMPLES2DMACOUNT(xSamples) (xSamples*2)
#else
#define SAMPLES2DMACOUNT(xSamples) (xSamples)
#endif
#if (defined OPL_MODE_TWO_WAY || defined OPL_MODE_SINGLE_WAY)
#define TRANS_PART1_SAMPLES 160
#define TRANS_PART2_SAMPLES 80
#else
#define TRANS_PART1_SAMPLES 80
#define TRANS_PART2_SAMPLES 40
#endif
#define TRANS_PART1_COUNT SAMPLES2DMACOUNT(TRANS_PART1_SAMPLES)
#define TRANS_PART2_COUNT SAMPLES2DMACOUNT(TRANS_PART2_SAMPLES)
#define DMA_UNDERFLOW_DELAY_COUNT 32
void app_nav_spdif_stream_reinit (void);
void dec_direct_out_24bit( int *pBuf, U16 len );
#endif