ref: f754f40b5c5626b0f762d07a8941ef85e11577c0
dir: /src/ft2_scopes.h/
#pragma once #include <stdint.h> #include <stdbool.h> #include "ft2_header.h" #include "ft2_audio.h" #define SCOPE_FRAC_BITS 32 #define SCOPE_FRAC_SCALE (1ULL << SCOPE_FRAC_BITS) #define SCOPE_FRAC_MASK (SCOPE_FRAC_SCALE-1) // *absolute* max safe bits (Amiga periods, period 1), don't mess with it! #define SCOPE_DRAW_FRAC_BITS 19 #define SCOPE_DRAW_FRAC_SCALE (1UL << SCOPE_DRAW_FRAC_BITS) #define SCOPE_DRAW_FRAC_MASK (SCOPE_DRAW_FRAC_SCALE-1) void resetCachedScopeVars(void); int32_t getSamplePosition(uint8_t ch); void stopAllScopes(void); void refreshScopes(void); bool testScopesMouseDown(void); void drawScopes(void); void drawScopeFramework(void); bool initScopes(void); // actual scope data typedef struct scope_t { volatile bool active; const int8_t *base8; const int16_t *base16; bool wasCleared, sampleIs16Bit; uint8_t loopType; int32_t vol, loopStart, loopLength, end, pos, direction, oldPeriod; uint32_t drawDelta, oldDrawDelta; uint64_t delta, posFrac, oldDelta; } scope_t; typedef struct lastChInstr_t { uint8_t sampleNr, instrNr; } lastChInstr_t; extern lastChInstr_t lastChInstr[MAX_VOICES];