ajout effets audio
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#ifndef FX_ECHO_H
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#define FX_ECHO_H
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#include <stdbool.h>
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#include <stdint.h>
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#define FX_ECHO_SAMPLE_RATE 48000U
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#define FX_ECHO_MAX_DELAY_MS 1000U
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#define FX_ECHO_BUFFER_SIZE (FX_ECHO_SAMPLE_RATE * FX_ECHO_MAX_DELAY_MS / 1000U)
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typedef struct
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{
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bool enabled;
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float delay_ms; /* 0 a FX_ECHO_MAX_DELAY_MS */
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float feedback; /* 0.0 a <1.0 */
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float mix; /* 0.0 (sec) a 1.0 (100% repetitions) */
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} FxEchoParams;
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typedef struct
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{
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int16_t buffer[FX_ECHO_BUFFER_SIZE];
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uint32_t write_idx;
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} FxEchoState;
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void FxEcho_Init(FxEchoState *state, FxEchoParams *params);
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float FxEcho_Process(FxEchoState *state, const FxEchoParams *params, float input);
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#endif /* FX_ECHO_H */
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