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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, | |
13 | }; | |
14 | ||
15 | enum m4af_itmf_tag { | |
16 | M4AF_TAG_TITLE = M4AF_FOURCC('\xa9','n','a','m'), | |
17 | M4AF_TAG_ARTIST = M4AF_FOURCC('\xa9','A','R','T'), | |
18 | M4AF_TAG_ALBUM = M4AF_FOURCC('\xa9','a','l','b'), | |
19 | M4AF_TAG_GENRE = M4AF_FOURCC('\xa9','g','e','n'), | |
20 | M4AF_TAG_DATE = M4AF_FOURCC('\xa9','d','a','y'), | |
21 | M4AF_TAG_COMPOSER = M4AF_FOURCC('\xa9','w','r','t'), | |
22 | M4AF_TAG_GROUPING = M4AF_FOURCC('\xa9','g','r','p'), | |
23 | M4AF_TAG_COMMENT = M4AF_FOURCC('\xa9','c','m','t'), | |
24 | M4AF_TAG_LYRICS = M4AF_FOURCC('\xa9','l','y','r'), | |
25 | M4AF_TAG_TOOL = M4AF_FOURCC('\xa9','t','o','o'), | |
26 | M4AF_TAG_ALBUM_ARTIST = M4AF_FOURCC('a','A','R','T'), | |
27 | M4AF_TAG_TRACK = M4AF_FOURCC('t','r','k','n'), | |
28 | M4AF_TAG_DISK = M4AF_FOURCC('d','i','s','k'), | |
29 | M4AF_TAG_GENRE_ID3 = M4AF_FOURCC('g','n','r','e'), | |
30 | M4AF_TAG_TEMPO = M4AF_FOURCC('t','m','p','o'), | |
31 | M4AF_TAG_DESCRIPTION = M4AF_FOURCC('d','e','s','c'), | |
32 | M4AF_TAG_LONG_DESCRIPTION = M4AF_FOURCC('l','d','e','s'), | |
33 | M4AF_TAG_COPYRIGHT = M4AF_FOURCC('c','p','r','t'), | |
34 | M4AF_TAG_COMPILATION = M4AF_FOURCC('c','p','i','l'), | |
35 | M4AF_TAG_ARTWORK = M4AF_FOURCC('c','o','v','r'), | |
36 | }; | |
37 | ||
38 | enum m4af_itmf_type_code { | |
39 | M4AF_IMPLICIT = 0, | |
40 | M4AF_UTF8 = 1, | |
41 | M4AF_GIF = 12, | |
42 | M4AF_JPEG = 13, | |
43 | M4AF_PNG = 14, | |
44 | M4AF_INTEGER = 21, | |
45 | }; | |
46 | ||
47 | enum m4af_codec_type { | |
48 | M4AF_CODEC_MP4A = M4AF_FOURCC('m','p','4','a'), | |
49 | M4AF_CODEC_ALAC = M4AF_FOURCC('a','l','a','c'), | |
50 | M4AF_CODEC_TEXT = M4AF_FOURCC('t','e','x','t'), | |
51 | }; | |
52 | ||
53 | typedef int (*m4af_write_callback)(void *cookie, const void *data, | |
54 | uint32_t size); | |
55 | typedef int (*m4af_seek_callback)(void *cookie, int64_t off, int whence); | |
56 | typedef int64_t (*m4af_tell_callback)(void *cookie); | |
57 | ||
58 | typedef struct m4af_io_callbacks_t { | |
59 | m4af_write_callback write; | |
60 | m4af_seek_callback seek; | |
61 | m4af_tell_callback tell; | |
62 | } m4af_io_callbacks_t; | |
63 | ||
64 | typedef struct m4af_writer_t m4af_writer_t; | |
65 | ||
66 | m4af_writer_t *m4af_create(uint32_t codec, uint32_t timescale, | |
67 | m4af_io_callbacks_t *io, void *io_cookie); | |
68 | ||
69 | void m4af_teardown(m4af_writer_t **ctx); | |
70 | ||
71 | int m4af_begin_write(m4af_writer_t *ctx); | |
72 | ||
73 | int m4af_finalize(m4af_writer_t *ctx); | |
74 | ||
75 | /* can be called before m4af_write_sample() */ | |
76 | void m4af_set_fixed_frame_duration(m4af_writer_t *ctx, int track_idx, | |
77 | uint32_t length); | |
78 | ||
79 | /* can be called between mfa4_begin_write() and m4af_finalize() */ | |
80 | int m4af_write_sample(m4af_writer_t *ctx, int track_idx, const void *data, | |
81 | uint32_t size, uint32_t duration); | |
82 | ||
83 | ||
84 | /* the following can be called at anytime before m4af_finalize() */ | |
85 | ||
86 | int m4af_decoder_specific_info(m4af_writer_t *ctx, int track_idx, | |
87 | uint8_t *data, uint32_t size); | |
88 | ||
89 | void m4af_set_priming(m4af_writer_t *ctx, int track_idx, | |
90 | uint32_t encoder_delay, uint32_t padding); | |
91 | ||
92 | int m4af_add_itmf_long_tag(m4af_writer_t *ctx, const char *name, | |
93 | const char *data); | |
94 | ||
95 | int m4af_add_itmf_short_tag(m4af_writer_t *ctx, uint32_t type, | |
96 | uint32_t type_code, const void *data, | |
97 | uint32_t data_size); | |
98 | ||
99 | int m4af_add_itmf_string_tag(m4af_writer_t *ctx, uint32_t type, | |
100 | const char *data); | |
101 | ||
102 | int m4af_add_itmf_int8_tag(m4af_writer_t *ctx, uint32_t type, int value); | |
103 | ||
104 | int m4af_add_itmf_int16_tag(m4af_writer_t *ctx, uint32_t type, int value); | |
105 | ||
106 | int m4af_add_itmf_int32_tag(m4af_writer_t *ctx, uint32_t type, uint32_t value); | |
107 | ||
108 | int m4af_add_itmf_int64_tag(m4af_writer_t *ctx, uint32_t type, uint64_t value); | |
109 | ||
110 | int m4af_add_itmf_track_tag(m4af_writer_t *ctx, int track, int total); | |
111 | ||
112 | int m4af_add_itmf_disk_tag(m4af_writer_t *ctx, int disk, int total); | |
113 | ||
114 | int m4af_add_itmf_genre_tag(m4af_writer_t *ctx, int genre); | |
115 | ||
116 | #endif |