131 regels
4.6 KiB
C
131 regels
4.6 KiB
C
#ifndef cmTakeSeqBldr_h
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#define cmTakeSeqBldr_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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enum
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{
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kOkTsbRC = cmOkRC,
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kJsonFailTsbRC,
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kParseFailTsbRC,
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kTimeLineFailTsbRC,
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kScoreFailTsbRC,
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kInvalidArgTsbRC,
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kMidiFileFailTsbRC,
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kMissingScTrkTsbRC,
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kRenderSeqEmptyTsbRC,
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};
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typedef cmRC_t cmTsbRC_t;
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typedef cmHandle_t cmTakeSeqBldrH_t;
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extern cmTakeSeqBldrH_t cmTakeSeqBldrNullHandle;
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// Allocate a Sequence Builder.
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cmTsbRC_t cmTakeSeqBldrAlloc( cmCtx_t* ctx, cmTakeSeqBldrH_t* hp );
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// Allocate and initalize a sequence builder.
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cmTsbRC_t cmTakeSeqBldrAllocFn( cmCtx_t* ctx, cmTakeSeqBldrH_t* hp, const cmChar_t* scoreTrkFn );
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// Free a previously allocated sequence builder.
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cmTsbRC_t cmTakeSeqBldrFree( cmTakeSeqBldrH_t* hp );
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// Validate a sequence builder handle.
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bool cmTakeSeqBldrIsValid( cmTakeSeqBldrH_t h );
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// Load a score tracking file create by app/cmScoreProc.c:_cmScoreProcGenAssocMain().
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// Note that calling this function loads a time-line object and score object
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// along with the information contained in the score tracking file.
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cmTsbRC_t cmTakeSeqBldrInitialize( cmTakeSeqBldrH_t h, const cmChar_t* scoreTrkFn );
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// Load a group of notes delinated by a time-line marker into the sequence.
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// If notes overlap with existing notes according to their 'scEvtIdx' attribute:
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// a. If 'overWriteFl' is set then the incoming overlapped notes are enabled
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// and the existing overlapped notes are disabled, otherwise the incoming
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// overlapped notes are disabled and the existing notes remain enabled.
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// b. The incoming section is time aligned with the first or last existing
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// note depending on whether the new section aligns best with the beginning
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// or ending of the existing notes.
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//
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// If no overlapping notes exist then the incoming section is aligned by estimating
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// the alignment with existing notes using the score alone.
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cmTsbRC_t cmTakeSeqBldrLoadTake( cmTakeSeqBldrH_t h, unsigned tlMarkUid, bool overwriteFL );
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cmTsbRC_t cmTakeSeqBldrUnloadTake( cmTakeSeqBldrH_t h, unsigned tlMarkUid );
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double cmTakeSeqBldrSampleRate( cmTakeSeqBldrH_t h );
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// Return a handle to the score used by this cmTakeSeqBldr.
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cmScH_t cmTakeSeqBldrScoreHandle( cmTakeSeqBldrH_t h );
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// Return the count of score-track takes.
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unsigned cmTakeSeqBldrScTrkTakeCount( cmTakeSeqBldrH_t h );
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typedef struct
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{
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unsigned minScEvtIdx; // first score event index this 'take' contains
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unsigned maxScEvtIdx; // last score event index this 'take' contains
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unsigned tlMarkerUid; // the marker Uid associated with this take
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} cmTksbScTrkTake_t;
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// Given an index [0 - cmTakeSeqBldrScTrkTakeCount()) return a cmTksbScTrkTake_t record
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cmTsbRC_t cmTakeSeqBldrScTrkTake( cmTakeSeqBldrH_t h, unsigned idx, cmTksbScTrkTake_t* ref );
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// Return the text associated with the specified 'take' marker.
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const cmChar_t* cmTakeSeqBldrScTrkTakeText( cmTakeSeqBldrH_t h, unsigned tlMarkerUId );
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// Set score location index to cmInvalidIdx to rewind the player to the beginning of the sequence.
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cmTsbRC_t cmTakeSeqBldrPlaySeekLoc( cmTakeSeqBldrH_t h, unsigned scLocIdx );
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typedef struct
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{
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unsigned smpIdx; // NOTE: changes in this structure should be
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unsigned status; // might break;
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unsigned d0; // void _cmDspTakeSeqRendPedalsUp( cmDspCtx_t* ctx, cmDspInst_t* inst )
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unsigned d1; // because it loads a static array
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} cmTksbEvent_t;
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typedef void (*cmTakeSeqBldrPlayFunc_t)( void* arg, const cmTksbEvent_t* evt );
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cmTsbRC_t cmTakeSeqBldrPlayExec( cmTakeSeqBldrH_t h, unsigned deltaSmp, cmTakeSeqBldrPlayFunc_t cbFunc, void* cbArg );
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typedef struct
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{
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unsigned srcId;
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unsigned scEvtIdx;
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unsigned rid;
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unsigned flags;
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unsigned offsetSmp;
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unsigned durSmp;
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cmTksbEvent_t evt;
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} cmTksbRend_t;
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void cmTakeSeqBldrRendReset( cmTakeSeqBldrH_t h );
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bool cmTakeSeqBldrRendNext(cmTakeSeqBldrH_t h, cmTksbRend_t* rendRef );
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cmTsbRC_t cmTakeSeqBldrRendInfo( cmTakeSeqBldrH_t h, unsigned rid, cmTksbRend_t* r );
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cmTsbRC_t cmTakeSeqBldrRendDelete( cmTakeSeqBldrH_t h, unsigned rid );
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cmTsbRC_t cmTakeSeqBldrRendInsert(
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cmTakeSeqBldrH_t h,
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const cmTksbEvent_t* e,
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unsigned durSmp,
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unsigned* ridRef );
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cmTsbRC_t cmTakeSeqBldrWrite( cmTakeSeqBldrH_t h, const cmChar_t* fn );
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cmTsbRC_t cmTakeSeqBldrRead( cmTakeSeqBldrH_t h, const cmChar_t* fn );
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cmTsbRC_t cmTakeSeqBldrTest( cmCtx_t* ctx );
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#ifdef __cplusplus
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}
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#endif
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#endif
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