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[651] | 1 | //libroardsp.h: |
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| 2 | |
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| 3 | #ifndef _LIBROARDSP_H_ |
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| 4 | #define _LIBROARDSP_H_ |
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| 5 | |
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[652] | 6 | #include <roaraudio.h> |
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| 7 | |
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[659] | 8 | // defines |
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| 9 | #define ROARDSP_MAX_FILTERS_PER_CHAIN 8 |
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| 10 | |
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| 11 | // types: |
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| 12 | |
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| 13 | struct roardsp_filter { |
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| 14 | int channels; |
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| 15 | int bits; |
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| 16 | void * inst; |
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| 17 | int (*calc )(struct roardsp_filter * filter, void * data, size_t samples); |
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| 18 | int (*uninit)(struct roardsp_filter * filter); |
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| 19 | }; |
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| 20 | |
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| 21 | struct roardsp_filterchain { |
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| 22 | int filters; |
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| 23 | struct roardsp_filter * filter[ROARDSP_MAX_FILTERS_PER_CHAIN]; |
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| 24 | }; |
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| 25 | |
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| 26 | struct roardsp_lowp { |
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| 27 | uint32_t freq; // in mHz (0Hz..4MHz) |
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| 28 | uint16_t a, b; |
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| 29 | int32_t old[ROAR_MAX_CHANNELS]; |
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| 30 | }; |
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| 31 | |
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| 32 | // funcs: |
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| 33 | int roardsp_filter_init (struct roardsp_filter * filter, struct roar_stream * stream, int id); |
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| 34 | int roardsp_filter_uninit(struct roardsp_filter * filter); |
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| 35 | int roardsp_filter_calc (struct roardsp_filter * filter, void * data, size_t len); |
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| 36 | |
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| 37 | int roardsp_fchain_init (struct roardsp_filterchain * chain); |
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| 38 | int roardsp_fchain_uninit(struct roardsp_filterchain * chain); |
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| 39 | int roardsp_fchain_add (struct roardsp_filterchain * chain, struct roardsp_filter * filter); |
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| 40 | int roardsp_fchain_calc (struct roardsp_filterchain * chain, void * data, size_t len); |
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| 41 | |
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[651] | 42 | #endif |
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| 43 | |
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| 44 | //ll |
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