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1 /*
2 * Copyright (C) 2013 nu774
3 * For conditions of distribution and use, see copyright notice in COPYING
4 */
5 #ifndef M4AF_H
6 #define M4AF_H
7
8 #define M4AF_FOURCC(a,b,c,d) (((a)<<24)|((b)<<16)|((c)<<8)|(d))
9
10 enum m4af_error_code {
11 M4AF_IO_ERROR = -1,
12 M4AF_NO_MEMORY = -2,
13 M4AF_FORMAT_ERROR = -3,
14 M4AF_NOT_SUPPORTED = -4,
15 };
16
17 enum m4af_itmf_tag {
18 M4AF_TAG_TITLE = M4AF_FOURCC('\xa9','n','a','m'),
19 M4AF_TAG_ARTIST = M4AF_FOURCC('\xa9','A','R','T'),
20 M4AF_TAG_ALBUM = M4AF_FOURCC('\xa9','a','l','b'),
21 M4AF_TAG_GENRE = M4AF_FOURCC('\xa9','g','e','n'),
22 M4AF_TAG_DATE = M4AF_FOURCC('\xa9','d','a','y'),
23 M4AF_TAG_COMPOSER = M4AF_FOURCC('\xa9','w','r','t'),
24 M4AF_TAG_GROUPING = M4AF_FOURCC('\xa9','g','r','p'),
25 M4AF_TAG_COMMENT = M4AF_FOURCC('\xa9','c','m','t'),
26 M4AF_TAG_LYRICS = M4AF_FOURCC('\xa9','l','y','r'),
27 M4AF_TAG_TOOL = M4AF_FOURCC('\xa9','t','o','o'),
28 M4AF_TAG_ALBUM_ARTIST = M4AF_FOURCC('a','A','R','T'),
29 M4AF_TAG_TRACK = M4AF_FOURCC('t','r','k','n'),
30 M4AF_TAG_DISK = M4AF_FOURCC('d','i','s','k'),
31 M4AF_TAG_GENRE_ID3 = M4AF_FOURCC('g','n','r','e'),
32 M4AF_TAG_TEMPO = M4AF_FOURCC('t','m','p','o'),
33 M4AF_TAG_DESCRIPTION = M4AF_FOURCC('d','e','s','c'),
34 M4AF_TAG_LONG_DESCRIPTION = M4AF_FOURCC('l','d','e','s'),
35 M4AF_TAG_COPYRIGHT = M4AF_FOURCC('c','p','r','t'),
36 M4AF_TAG_COMPILATION = M4AF_FOURCC('c','p','i','l'),
37 M4AF_TAG_ARTWORK = M4AF_FOURCC('c','o','v','r'),
38 };
39
40 enum m4af_itmf_type_code {
41 M4AF_IMPLICIT = 0,
42 M4AF_UTF8 = 1,
43 M4AF_GIF = 12,
44 M4AF_JPEG = 13,
45 M4AF_PNG = 14,
46 M4AF_INTEGER = 21,
47 };
48
49 enum m4af_codec_type {
50 M4AF_CODEC_MP4A = M4AF_FOURCC('m','p','4','a'),
51 M4AF_CODEC_ALAC = M4AF_FOURCC('a','l','a','c'),
52 M4AF_CODEC_TEXT = M4AF_FOURCC('t','e','x','t'),
53 };
54
55 typedef int (*m4af_read_callback)(void *cookie, void *buffer, uint32_t size);
56 typedef int (*m4af_write_callback)(void *cookie, const void *data,
57 uint32_t size);
58 typedef int (*m4af_seek_callback)(void *cookie, int64_t off, int whence);
59 typedef int64_t (*m4af_tell_callback)(void *cookie);
60
61 typedef struct m4af_io_callbacks_t {
62 m4af_read_callback read;
63 m4af_write_callback write;
64 m4af_seek_callback seek;
65 m4af_tell_callback tell;
66 } m4af_io_callbacks_t;
67
68 typedef struct m4af_itmf_entry_t {
69 uint32_t fcc;
70 char *name;
71 uint32_t type_code;
72 char *data;
73 uint32_t data_size;
74 } m4af_itmf_entry_t;
75
76 typedef struct m4af_ctx_t m4af_ctx_t;
77
78
79 m4af_ctx_t *m4af_create(uint32_t codec, uint32_t timescale,
80 m4af_io_callbacks_t *io, void *io_cookie);
81
82 int m4af_begin_write(m4af_ctx_t *ctx);
83
84 int m4af_finalize(m4af_ctx_t *ctx);
85
86 void m4af_teardown(m4af_ctx_t **ctx);
87
88 int m4af_write_sample(m4af_ctx_t *ctx, uint32_t track_idx, const void *data,
89 uint32_t size, uint32_t duration);
90
91 int m4af_set_decoder_specific_info(m4af_ctx_t *ctx, uint32_t track_idx,
92 uint8_t *data, uint32_t size);
93
94 void m4af_set_priming(m4af_ctx_t *ctx, uint32_t track_idx,
95 uint32_t encoder_delay, uint32_t padding);
96
97 void m4af_set_fixed_frame_duration(m4af_ctx_t *ctx, uint32_t track_idx,
98 uint32_t length);
99
100 int m4af_add_itmf_long_tag(m4af_ctx_t *ctx, const char *name,
101 const char *data);
102
103 int m4af_add_itmf_short_tag(m4af_ctx_t *ctx, uint32_t fcc, uint32_t type_code,
104 const void *data, uint32_t data_size);
105
106 int m4af_add_itmf_string_tag(m4af_ctx_t *ctx, uint32_t fcc, const char *data);
107
108 int m4af_add_itmf_int8_tag(m4af_ctx_t *ctx, uint32_t fcc, int value);
109
110 int m4af_add_itmf_int16_tag(m4af_ctx_t *ctx, uint32_t fcc, int value);
111
112 int m4af_add_itmf_int32_tag(m4af_ctx_t *ctx, uint32_t fcc, uint32_t value);
113
114 int m4af_add_itmf_int64_tag(m4af_ctx_t *ctx, uint32_t fcc, uint64_t value);
115
116 int m4af_add_itmf_track_tag(m4af_ctx_t *ctx, int track, int total);
117
118 int m4af_add_itmf_disk_tag(m4af_ctx_t *ctx, int disk, int total);
119
120 int m4af_add_itmf_genre_tag(m4af_ctx_t *ctx, int genre);
121 #endif
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