1 | //audio.h: |
---|
2 | |
---|
3 | #ifndef _ROARAUDIO_AUDIO_H_ |
---|
4 | #define _ROARAUDIO_AUDIO_H_ |
---|
5 | |
---|
6 | #define ROAR_CODEC_PCM_LE ROAR_CODEC_PCM_S_LE |
---|
7 | #define ROAR_CODEC_PCM_BE ROAR_CODEC_PCM_S_BE |
---|
8 | #define ROAR_CODEC_PCM_PDP ROAR_CODEC_PCM_S_PDP |
---|
9 | |
---|
10 | /* |
---|
11 | Bits: |
---|
12 | 76543210 |
---|
13 | ||||\---\ byte- |
---|
14 | |||\----/ order |
---|
15 | ||\-----> unsigned? |
---|
16 | |\------> PCM(0) or MIDI(1)? |
---|
17 | \-------> PCM/MIDI(0) or hi-level codecs(1) |
---|
18 | |
---|
19 | MIDI 0x08: |
---|
20 | 76543210 |
---|
21 | 000 0x08 -> MIDI File |
---|
22 | |
---|
23 | hi-level 0x10: |
---|
24 | 76543210 |
---|
25 | 0000 0x10 -> Ogg Vorbis |
---|
26 | 0001 0x11 -> Native FLAC |
---|
27 | 0010 0x12 -> Ogg Speex |
---|
28 | 0011 0x13 -> Reserved for CELT |
---|
29 | 0100 0x14 -> Ogg FLAC |
---|
30 | 0101 0x15 -> Ogg General |
---|
31 | 0110 0x16 -> Ogg CELT |
---|
32 | [...] |
---|
33 | **** 0x1a -> ROAR CELT |
---|
34 | **** 0x1b -> ROAR SPEEX |
---|
35 | */ |
---|
36 | |
---|
37 | #define ROAR_CODEC_IS_SIGNED(x) (((x) & ROAR_CODEC_UNSIGNED) == 0 ? 1 : 0) |
---|
38 | #define ROAR_CODEC_BYTE_ORDER(x) ((x) & 0x03) |
---|
39 | |
---|
40 | #define ROAR_CODEC_UNSIGNED (1 << 2) |
---|
41 | |
---|
42 | #define ROAR_CODEC_PCM_S_LE 0x01 |
---|
43 | #define ROAR_CODEC_PCM_S_BE 0x02 |
---|
44 | #define ROAR_CODEC_PCM_S_PDP 0x03 |
---|
45 | |
---|
46 | #define ROAR_CODEC_PCM_U_LE (ROAR_CODEC_PCM_S_LE | ROAR_CODEC_UNSIGNED) |
---|
47 | #define ROAR_CODEC_PCM_U_BE (ROAR_CODEC_PCM_S_BE | ROAR_CODEC_UNSIGNED) |
---|
48 | #define ROAR_CODEC_PCM_U_PDP (ROAR_CODEC_PCM_S_PDP | ROAR_CODEC_UNSIGNED) |
---|
49 | |
---|
50 | #define ROAR_CODEC_MIDI_FILE 0x08 |
---|
51 | |
---|
52 | #define ROAR_CODEC_OGG_VORBIS 0x10 |
---|
53 | #define ROAR_CODEC_FLAC 0x11 /* native FLAC without Ogg container */ |
---|
54 | #define ROAR_CODEC_OGG_SPEEX 0x12 |
---|
55 | /* #define ROAR_CODEC_CELT/OGG_CELT 0x13 Reserved for CELT */ |
---|
56 | #define ROAR_CODEC_OGG_FLAC 0x14 |
---|
57 | #define ROAR_CODEC_OGG_GENERAL 0x15 |
---|
58 | |
---|
59 | #define ROAR_CODEC_ROAR_CELT 0x1a |
---|
60 | #define ROAR_CODEC_ROAR_SPEEX 0x1b |
---|
61 | |
---|
62 | #if BYTE_ORDER == BIG_ENDIAN |
---|
63 | |
---|
64 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_BE |
---|
65 | #define ROAR_BE2DEF(x) (x) |
---|
66 | |
---|
67 | #elif BYTE_ORDER == LITTLE_ENDIAN |
---|
68 | |
---|
69 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_LE |
---|
70 | #define ROAR_LE2DEF(x) (x) |
---|
71 | |
---|
72 | #else |
---|
73 | |
---|
74 | #define ROAR_CODEC_DEFAULT ROAR_CODEC_PCM_PDP |
---|
75 | #define ROAR_PDP2DEF(x) (x) |
---|
76 | |
---|
77 | #endif |
---|
78 | |
---|
79 | |
---|
80 | #define ROAR_CODEC_NATIVE ROAR_CODEC_DEFAULT |
---|
81 | |
---|
82 | #define ROAR_BITS_MAX 32 |
---|
83 | |
---|
84 | #define ROAR_BITS_DEFAULT 16 |
---|
85 | #define ROAR_CHANNELS_DEFAULT 2 |
---|
86 | #define ROAR_RATE_DEFAULT 44100 |
---|
87 | |
---|
88 | #define ROAR_MAX_CHANNELS 64 |
---|
89 | |
---|
90 | #define ROAR_SET_VOL_ALL 1 |
---|
91 | #define ROAR_SET_VOL_ONE 2 |
---|
92 | |
---|
93 | |
---|
94 | #define ROAR_SPEEX_MAX_CC 256 |
---|
95 | #define ROAR_SPEEX_MODE_NB 1 |
---|
96 | #define ROAR_SPEEX_MODE_WB 2 |
---|
97 | #define ROAR_SPEEX_MODE_UWB 3 |
---|
98 | |
---|
99 | |
---|
100 | struct roar_audio_info { |
---|
101 | unsigned int rate; |
---|
102 | unsigned int bits; |
---|
103 | unsigned int channels; |
---|
104 | unsigned int codec; |
---|
105 | }; |
---|
106 | |
---|
107 | struct roar_mixer_settings { |
---|
108 | //unsigned channels; |
---|
109 | roar_intm16 scale; |
---|
110 | roar_intm16 rpg_mul; // rpg = ReplayGain |
---|
111 | roar_intm16 rpg_div; |
---|
112 | roar_intm16 mixer[ROAR_MAX_CHANNELS]; |
---|
113 | }; |
---|
114 | |
---|
115 | #endif |
---|
116 | |
---|
117 | //ll |
---|