2 * Copyright (C) 2013 nu774
3 * For conditions of distribution and use, see copyright notice in COPYING
8 #define M4AF_FOURCC(a,b,c,d) (((a)<<24)|((b)<<16)|((c)<<8)|(d))
10 enum m4af_error_code
{
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'),
38 enum m4af_itmf_type_code
{
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'),
53 typedef int (*m4af_write_callback
)(void *cookie
, const void *data
,
55 typedef int (*m4af_seek_callback
)(void *cookie
, int64_t off
, int whence
);
56 typedef int64_t (*m4af_tell_callback
)(void *cookie
);
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
;
64 typedef struct m4af_writer_t m4af_writer_t
;
66 m4af_writer_t
*m4af_create(uint32_t codec
, uint32_t timescale
,
67 m4af_io_callbacks_t
*io
, void *io_cookie
);
69 void m4af_teardown(m4af_writer_t
**ctx
);
71 int m4af_begin_write(m4af_writer_t
*ctx
);
73 int m4af_finalize(m4af_writer_t
*ctx
);
75 /* can be called before m4af_write_sample() */
76 void m4af_set_fixed_frame_duration(m4af_writer_t
*ctx
, int track_idx
,
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
);
84 /* the following can be called at anytime before m4af_finalize() */
86 int m4af_decoder_specific_info(m4af_writer_t
*ctx
, int track_idx
,
87 uint8_t *data
, uint32_t size
);
89 void m4af_set_priming(m4af_writer_t
*ctx
, int track_idx
,
90 uint32_t encoder_delay
, uint32_t padding
);
92 int m4af_add_itmf_long_tag(m4af_writer_t
*ctx
, const char *name
,
95 int m4af_add_itmf_short_tag(m4af_writer_t
*ctx
, uint32_t type
,
96 uint32_t type_code
, const void *data
,
99 int m4af_add_itmf_string_tag(m4af_writer_t
*ctx
, uint32_t type
,
102 int m4af_add_itmf_int8_tag(m4af_writer_t
*ctx
, uint32_t type
, int value
);
104 int m4af_add_itmf_int16_tag(m4af_writer_t
*ctx
, uint32_t type
, int value
);
106 int m4af_add_itmf_int32_tag(m4af_writer_t
*ctx
, uint32_t type
, int value
);
108 int m4af_add_itmf_track_tag(m4af_writer_t
*ctx
, int track
, int total
);
110 int m4af_add_itmf_disk_tag(m4af_writer_t
*ctx
, int disk
, int total
);
112 int m4af_add_itmf_genre_tag(m4af_writer_t
*ctx
, int genre
);