Mercurial > repos > blastem
comparison flac.h @ 2296:789802d99629
Add basic FLAC decoder and add FLAC playback support to the media player
author | Michael Pavone <pavone@retrodev.com> |
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date | Sun, 19 Feb 2023 21:12:46 -0800 |
parents | |
children | 9d68799f945b |
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2295:eb45ad9d8a3f | 2296:789802d99629 |
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1 #ifndef FLAC_H_ | |
2 #define FLAC_H_ | |
3 | |
4 #include <stdint.h> | |
5 #include <stdio.h> | |
6 | |
7 typedef struct flac_file flac_file; | |
8 | |
9 typedef uint8_t (*flac_read)(flac_file *f); | |
10 typedef void (*flac_seek)(flac_file *f, uint32_t offset, uint8_t relative); | |
11 | |
12 typedef struct { | |
13 uint32_t allocated_samples; | |
14 int32_t *decoded; | |
15 } flac_subframe; | |
16 | |
17 struct flac_file { | |
18 uint64_t total_samples; | |
19 uint64_t frame_start_sample; | |
20 void *read_data; | |
21 flac_read read_byte; | |
22 flac_seek seek; | |
23 flac_subframe *subframes; | |
24 uint32_t offset; | |
25 uint32_t buffer_size; | |
26 | |
27 uint32_t frame_sample_pos; | |
28 uint32_t remaining_frame_samples; | |
29 | |
30 uint32_t sample_rate; | |
31 uint32_t frame_sample_rate; | |
32 uint32_t frame_block_size; | |
33 uint8_t bits_per_sample; | |
34 uint8_t frame_bits_per_sample; | |
35 uint8_t channels; | |
36 uint8_t frame_channels; | |
37 uint8_t frame_joint_stereo; | |
38 uint8_t subframe_alloc; | |
39 | |
40 uint8_t cur_byte; | |
41 uint8_t bits; | |
42 }; | |
43 | |
44 flac_file *flac_file_from_buffer(void *buffer, uint32_t size); | |
45 flac_file *flac_file_from_file(FILE *file); | |
46 uint8_t flac_get_sample(flac_file *f, int16_t *out, uint8_t desired_channels); | |
47 | |
48 #endif //FLAC_H_ |