mirror of https://github.com/nu774/fdkaac.git
115 lines
4.0 KiB
C
115 lines
4.0 KiB
C
/*
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* Copyright (C) 2013 nu774
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* For conditions of distribution and use, see copyright notice in COPYING
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*/
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#ifndef M4AF_H
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#define M4AF_H
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#define M4AF_FOURCC(a,b,c,d) (((a)<<24)|((b)<<16)|((c)<<8)|(d))
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enum m4af_error_code {
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M4AF_IO_ERROR = 1,
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M4AF_NO_MEMORY,
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};
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enum m4af_itmf_tag {
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M4AF_TAG_TITLE = M4AF_FOURCC('\xa9','n','a','m'),
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M4AF_TAG_ARTIST = M4AF_FOURCC('\xa9','A','R','T'),
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M4AF_TAG_ALBUM = M4AF_FOURCC('\xa9','a','l','b'),
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M4AF_TAG_GENRE = M4AF_FOURCC('\xa9','g','e','n'),
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M4AF_TAG_DATE = M4AF_FOURCC('\xa9','d','a','y'),
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M4AF_TAG_COMPOSER = M4AF_FOURCC('\xa9','w','r','t'),
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M4AF_TAG_GROUPING = M4AF_FOURCC('\xa9','g','r','p'),
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M4AF_TAG_COMMENT = M4AF_FOURCC('\xa9','c','m','t'),
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M4AF_TAG_LYRICS = M4AF_FOURCC('\xa9','l','y','r'),
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M4AF_TAG_TOOL = M4AF_FOURCC('\xa9','t','o','o'),
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M4AF_TAG_ALBUM_ARTIST = M4AF_FOURCC('a','A','R','T'),
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M4AF_TAG_TRACK = M4AF_FOURCC('t','r','k','n'),
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M4AF_TAG_DISK = M4AF_FOURCC('d','i','s','k'),
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M4AF_TAG_GENRE_ID3 = M4AF_FOURCC('g','n','r','e'),
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M4AF_TAG_TEMPO = M4AF_FOURCC('t','m','p','o'),
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M4AF_TAG_DESCRIPTION = M4AF_FOURCC('d','e','s','c'),
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M4AF_TAG_LONG_DESCRIPTION = M4AF_FOURCC('l','d','e','s'),
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M4AF_TAG_COPYRIGHT = M4AF_FOURCC('c','p','r','t'),
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M4AF_TAG_COMPILATION = M4AF_FOURCC('c','p','i','l'),
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M4AF_TAG_ARTWORK = M4AF_FOURCC('c','o','v','r'),
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};
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enum m4af_itmf_type_code {
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M4AF_IMPLICIT = 0,
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M4AF_UTF8 = 1,
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M4AF_GIF = 12,
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M4AF_JPEG = 13,
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M4AF_PNG = 14,
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M4AF_INTEGER = 21,
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};
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enum m4af_codec_type {
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M4AF_CODEC_MP4A = M4AF_FOURCC('m','p','4','a'),
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M4AF_CODEC_ALAC = M4AF_FOURCC('a','l','a','c'),
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M4AF_CODEC_TEXT = M4AF_FOURCC('t','e','x','t'),
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};
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typedef int (*m4af_write_callback)(void *cookie, const void *data,
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uint32_t size);
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typedef int (*m4af_seek_callback)(void *cookie, int64_t off, int whence);
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typedef int64_t (*m4af_tell_callback)(void *cookie);
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typedef struct m4af_io_callbacks_t {
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m4af_write_callback write;
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m4af_seek_callback seek;
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m4af_tell_callback tell;
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} m4af_io_callbacks_t;
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typedef struct m4af_writer_t m4af_writer_t;
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m4af_writer_t *m4af_create(uint32_t codec, uint32_t timescale,
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m4af_io_callbacks_t *io, void *io_cookie);
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void m4af_teardown(m4af_writer_t **ctx);
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int m4af_begin_write(m4af_writer_t *ctx);
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int m4af_finalize(m4af_writer_t *ctx);
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/* can be called before m4af_write_sample() */
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void m4af_set_fixed_frame_duration(m4af_writer_t *ctx, int track_idx,
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uint32_t length);
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/* can be called between mfa4_begin_write() and m4af_finalize() */
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int m4af_write_sample(m4af_writer_t *ctx, int track_idx, const void *data,
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uint32_t size, uint32_t duration);
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/* the following can be called at anytime before m4af_finalize() */
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int m4af_decoder_specific_info(m4af_writer_t *ctx, int track_idx,
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uint8_t *data, uint32_t size);
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void m4af_set_priming(m4af_writer_t *ctx, int track_idx,
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uint32_t encoder_delay, uint32_t padding);
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int m4af_add_itmf_long_tag(m4af_writer_t *ctx, const char *name,
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const char *data);
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int m4af_add_itmf_short_tag(m4af_writer_t *ctx, uint32_t type,
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uint32_t type_code, const void *data,
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uint32_t data_size);
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int m4af_add_itmf_string_tag(m4af_writer_t *ctx, uint32_t type,
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const char *data);
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int m4af_add_itmf_int8_tag(m4af_writer_t *ctx, uint32_t type, int value);
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int m4af_add_itmf_int16_tag(m4af_writer_t *ctx, uint32_t type, int value);
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int m4af_add_itmf_int32_tag(m4af_writer_t *ctx, uint32_t type, int value);
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int m4af_add_itmf_track_tag(m4af_writer_t *ctx, int track, int total);
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int m4af_add_itmf_disk_tag(m4af_writer_t *ctx, int disk, int total);
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int m4af_add_itmf_genre_tag(m4af_writer_t *ctx, int genre);
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#endif
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