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author | Takamichi Horikawa <takamichiho@gmail.com> | 2016-11-26 20:57:57 +0900 |
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committer | Takamichi Horikawa <takamichiho@gmail.com> | 2016-11-26 20:57:57 +0900 |
commit | 6fd10cdacb5cbe47a4fc339c20a733d4a9a384a1 (patch) | |
tree | c7f479a70c350dca0b73d76078e46db41d9c4133 /libopna/s98gen.h |
initial
Diffstat (limited to 'libopna/s98gen.h')
-rw-r--r-- | libopna/s98gen.h | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/libopna/s98gen.h b/libopna/s98gen.h new file mode 100644 index 0000000..8fa458d --- /dev/null +++ b/libopna/s98gen.h @@ -0,0 +1,34 @@ +#ifndef MYON_S98GEN_H_INCLUDED +#define MYON_S98GEN_H_INCLUDED + +#include <stdbool.h> +#include <stddef.h> +#include <stdint.h> +#include "opna.h" + +#ifdef __cplusplus +extern "C" { +#endif + +struct s98gen { + struct opna opna; + uint8_t *s98data; + size_t s98data_size; + size_t current_offset; + uint32_t opnaclock; + uint32_t samples_to_generate; + uint16_t samples_to_generate_frac; + uint32_t timer_numerator; + uint32_t timer_denominator; +}; + +// returns true if initialization succeeded +// returns false without touching *s98 when initialization failed (invalid data) +bool s98gen_init(struct s98gen *s98, void *s98data, size_t s98data_size); +bool s98gen_generate(struct s98gen *s98, int16_t *buf, size_t samples); + +#ifdef __cplusplus +} +#endif + +#endif // MYON_S98GEN_H_INCLUDED |