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- #ifndef cmProc4_h
- #define cmProc4_h
-
- #ifdef __cplusplus
- extern "C" {
- #endif
-
-
-
- typedef struct
- {
- unsigned smpIdx; // time tag sample index for val
- cmMidiByte_t val; //
- bool validFl; //
-
- } cmScFolBufEle_t;
-
- typedef struct
- {
- unsigned pitchCnt; //
- unsigned* pitchV; // pitchV[pitchCnt]
- unsigned scIdx; // index of the score event (into cmScoreEvt[]) at this location
- int barNumb; // bar number of this location
- } cmScFolLoc_t;
-
-
- typedef struct
- {
- cmObj obj;
- cmReal_t srate; //
- cmScH_t scH; // score handle
- unsigned bufN; // event buffer count
- cmScFolBufEle_t* bufV; // event buffer bufV[bufN] - bufV[bufN-1] newest event, bufV[boi] oldest event
- int locN; // count of score locations
- cmScFolLoc_t* loc; // score loc[locN]
- unsigned sbi; // oldest score window index
- unsigned sei; // newest score window index
- unsigned msln; // minimum score look ahead count
- unsigned mswn; // maximum score window length
- unsigned forwardCnt; // count of score loc's to look ahead for a match to the current pitch when the optimal edit-dist alignment does not produce a match for the current pitch
- unsigned maxDist; // max. dist allowed to still consider matching
- unsigned minVel; // notes < minVel are ignored
- bool printFl; // true if pitch tracker reporting should be included
- bool noBackFl; // prevent the tracker from going backwards in time
- unsigned* edWndMtx;
-
- unsigned missCnt; // current consecutive unmatched notes
- unsigned matchCnt; // current consecutive matched notes
- unsigned eventIdx; // events since reset
- unsigned skipCnt; // notes skipped due to velocity
- unsigned ret_idx; // last tracked location
-
- } cmScFol;
-
- cmScFol* cmScFolAlloc( cmCtx* ctx, cmScFol* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel );
- cmRC_t cmScFolFree( cmScFol** pp );
- cmRC_t cmScFolInit( cmScFol* p, cmReal_t srate, cmScH_t scH, unsigned bufN, unsigned minWndLookAhead, unsigned maxWndCnt, unsigned minVel );
- cmRC_t cmScFolFinal( cmScFol* p );
-
- // Jump to a score location and reset the internal state of the follower.
- cmRC_t cmScFolReset( cmScFol* p, unsigned scoreIndex );
-
- // Give the follower a MIDI performance event. Only MIDI note-on events are acted upon;
- // all others are ignored.
- unsigned cmScFolExec( cmScFol* p, unsigned smpIdx, unsigned status, cmMidiByte_t d0, cmMidiByte_t d1 );
-
-
- #ifdef __cplusplus
- }
- #endif
-
- #endif
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