234 wiersze
8.6 KiB
C
234 wiersze
8.6 KiB
C
#ifndef cmTimeLine_h
|
|
#define cmTimeLine_h
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
|
|
typedef cmHandle_t cmTlH_t;
|
|
|
|
typedef cmRC_t cmTlRC_t;
|
|
|
|
enum
|
|
{
|
|
kOkTlRC = cmOkRC,
|
|
kLHeapFailTlRC,
|
|
kParseFailTlRC,
|
|
kJsonFailTlRC,
|
|
kDuplNameTlRC,
|
|
kRefNotFoundTlRC,
|
|
kAudioFileFailTlRC,
|
|
kMidiFileFailTlRC,
|
|
kTypeCvtFailTlRC,
|
|
kUnknownRecdTypeTlRC,
|
|
kFinalizeFailTlRC,
|
|
kInvalidSeqIdTlRC
|
|
};
|
|
|
|
typedef enum
|
|
{
|
|
kMidiFileTlId = 0x01,
|
|
kMidiEvtTlId = 0x02,
|
|
kAudioFileTlId = 0x03,
|
|
kAudioEvtTlId = 0x04,
|
|
kMarkerTlId = 0x05
|
|
} cmTlObjTypeId_t;
|
|
|
|
enum
|
|
{
|
|
kReservedTlFl = 0x01,
|
|
kNoWriteTlFl = 0x02 // do not write this object in cmTimeLineWrite()
|
|
};
|
|
|
|
typedef void (*cmTlCb_t)( void* arg, const void* data, unsigned byteCnt );
|
|
|
|
typedef struct cmTlObj_str
|
|
{
|
|
void* reserved; // pt's to _cmTlObj_t
|
|
unsigned seqId; // sequence this object is assigned to
|
|
const cmChar_t* name; // text name of this object
|
|
unsigned uid; // generated unique id for this object
|
|
cmTlObjTypeId_t typeId; // type of the object
|
|
struct cmTlObj_str* ref; // time reference object
|
|
int begSmpIdx; // start time of this object as an offset from the start time of the reference object
|
|
unsigned durSmpCnt; // duration of this object
|
|
int seqSmpIdx; // absolute start time of this object within the sequence
|
|
const cmChar_t* text; // points to text assoc'd with this node (file name for audio/midi file, marker text)
|
|
unsigned flags; // see kXXXTlFl
|
|
void* userDataPtr; // user customizable data pointer
|
|
} cmTlObj_t;
|
|
|
|
typedef struct
|
|
{
|
|
cmTlObj_t obj;
|
|
cmMidiFileH_t h;
|
|
unsigned noteOnCnt;
|
|
cmChar_t* fn;
|
|
} cmTlMidiFile_t;
|
|
|
|
typedef struct
|
|
{
|
|
cmTlObj_t obj;
|
|
unsigned midiFileObjId;
|
|
const cmMidiTrackMsg_t* msg; // w/ dticks converted to microsecs
|
|
} cmTlMidiEvt_t;
|
|
|
|
|
|
typedef struct
|
|
{
|
|
cmTlObj_t obj;
|
|
cmAudioFileH_t h;
|
|
cmAudioFileInfo_t info;
|
|
cmChar_t* fn;
|
|
} cmTlAudioFile_t;
|
|
|
|
typedef struct
|
|
{
|
|
cmTlObj_t obj;
|
|
cmAudioFileH_t h;
|
|
unsigned smpIdx;
|
|
unsigned smpCnt;
|
|
cmChar_t* text;
|
|
} cmTlAudioEvt_t;
|
|
|
|
typedef struct
|
|
{
|
|
cmTlObj_t obj;
|
|
const cmChar_t* text;
|
|
} cmTlMarker_t;
|
|
|
|
extern cmTlH_t cmTimeLineNullHandle;
|
|
|
|
//
|
|
cmTlRC_t cmTimeLineInitialize( cmCtx_t* ctx, cmTlH_t* hp, cmTlCb_t cbFunc, void* cbArg );
|
|
cmTlRC_t cmTimeLineInitializeFromFile( cmCtx_t* ctx, cmTlH_t* hp, cmTlCb_t cbFunc, void* cbArg, const cmChar_t* fn );
|
|
|
|
const cmChar_t* cmTimeLineFileName( cmTlH_t h );
|
|
|
|
cmTlRC_t cmTimeLineFinalize( cmTlH_t* hp );
|
|
|
|
bool cmTimeLineIsValid( cmTlH_t h );
|
|
double cmTimeLineSampleRate( cmTlH_t h );
|
|
|
|
// Convert global (sequence) time to a time relative to an object.
|
|
int cmTimeLineSeqToLocalSampleIndex( int seqSmpIdx, cmTlObj_t* localObjPtr );
|
|
|
|
// Given cmTlObj_t.uid return a pointer to the associated record.
|
|
// seqId is optional (dflt:cmInvalidId)
|
|
cmTlObj_t* cmTimeLineIdToObj( cmTlH_t h, unsigned seqId, unsigned uid );
|
|
|
|
// Return the object following 'p' assigned to 'seqId'.
|
|
// If 'p' is NULL then return the first object assigned to seqId.
|
|
// If 'seqId' is set to cmInvalidId then return the next object on any seq.
|
|
// If no objects follow 'p' on the specified sequence then return NULL.
|
|
cmTlObj_t* cmTimeLineNextObj( cmTlH_t h, cmTlObj_t* p, unsigned seqId );
|
|
|
|
// Same as cmTimeLineNextObj() but returns next object whose type matches 'typeId'.
|
|
cmTlObj_t* cmTimeLineNextTypeObj( cmTlH_t h, cmTlObj_t* p, unsigned seqId, unsigned typeId );
|
|
|
|
cmTlMidiFile_t* cmTlNextMidiFileObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId );
|
|
cmTlAudioFile_t* cmTlNextAudioFileObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId );
|
|
cmTlMidiEvt_t* cmTlNextMidiEvtObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId );
|
|
cmTlAudioEvt_t* cmTlNextAudioEvtObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId );
|
|
cmTlMarker_t* cmTlNextMarkerObjPtr( cmTlH_t h, cmTlObj_t* op, unsigned seqId );
|
|
|
|
cmTlObj_t* cmTlIdToObjPtr( cmTlH_t h, unsigned uid );
|
|
|
|
// Cast a genereic cmTlObj_t pointer to a specificy type.
|
|
cmTlMidiFile_t* cmTimeLineMidiFileObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
cmTlAudioFile_t* cmTimeLineAudioFileObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
cmTlMidiEvt_t* cmTimeLineMidiEvtObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
cmTlAudioEvt_t* cmTimeLineAudioEvtObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
cmTlMarker_t* cmTimeLineMarkerObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
|
|
// Same as cmTimeLineXXXObjPtr() but does not generate an error when
|
|
// 'op' does not point to the correct type. These function quietly
|
|
// return NULL if the requested type does not match.
|
|
cmTlMidiFile_t* cmTlMidiFileObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
cmTlAudioFile_t* cmTlAudioFileObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
cmTlMidiEvt_t* cmTlMidiEvtObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
cmTlAudioEvt_t* cmTlAudioEvtObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
cmTlMarker_t* cmTlMarkerObjPtr( cmTlH_t h, cmTlObj_t* op );
|
|
|
|
cmTlAudioFile_t* cmTimeLineFindAudioFile( cmTlH_t h, const cmChar_t* fn );
|
|
cmTlMidiFile_t* cmTimeLineFindMidiFile( cmTlH_t h, const cmChar_t* fn );
|
|
|
|
|
|
cmTlAudioFile_t* cmTimeLineAudioFileAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx );
|
|
cmTlMidiFile_t* cmTimeLineMidiFileAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx );
|
|
cmTlMidiEvt_t* cmTimeLineMidiEvtAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx );
|
|
cmTlMarker_t* cmTimeLineMarkerAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx );
|
|
|
|
|
|
cmTlAudioFile_t* cmTimeLineAudioFileAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx );
|
|
cmTlMidiFile_t* cmTimeLineMidiFileAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx );
|
|
cmTlMidiEvt_t* cmTimeLineMidiEvtAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx );
|
|
cmTlMarker_t* cmTimeLineMarkerAtTime( cmTlH_t h, unsigned seqId, unsigned seqSmpIdx );
|
|
|
|
cmTlMarker_t* cmTimeLineMarkerFind( cmTlH_t h, const cmChar_t* markText );
|
|
|
|
// 'typeId' = kAudioFileTlId, kMidiFileTId, kMarkerTlId.
|
|
// 'nameStr' and 'refObjNameStr' may be NULL.
|
|
cmTlRC_t cmTimeLineInsert(
|
|
cmTlH_t h,
|
|
const cmChar_t* nameStr,
|
|
unsigned typeId,
|
|
const cmChar_t* fn_or_markerStr,
|
|
int begSmpIdx,
|
|
unsigned durSmpCnt,
|
|
const cmChar_t* refObjNameStr,
|
|
unsigned seqId );
|
|
|
|
// See src/data/tl0.json for an example JSON file.
|
|
cmTlRC_t cmTimeLineReadJson( cmTlH_t h, const cmChar_t* ifn );
|
|
|
|
// Return a count of sequences contained within this timeline.
|
|
unsigned cmTimeLineSeqCount( cmTlH_t h );
|
|
|
|
// Make notifications for all records belonging to the sequence.
|
|
cmTlRC_t cmTimeLineSeqNotify( cmTlH_t h, unsigned seqId );
|
|
|
|
cmTlRC_t cmTimeLineWrite( cmTlH_t h, const cmChar_t* fn );
|
|
|
|
cmTlRC_t cmTimeLinePrint( cmTlH_t h, cmRpt_t* rpt );
|
|
cmTlRC_t cmTimeLinePrintFn( cmCtx_t* ctx, const cmChar_t* fn, cmRpt_t* rpt );
|
|
|
|
cmTlRC_t cmTimeLineTest( cmCtx_t* ctx, const cmChar_t* jsFn );
|
|
|
|
// The time-line notifies listeners of initialization and finalization
|
|
// events via calling a cmTlCbFunc_t function. The argument to this
|
|
// function is a serialized cmTlUiMsg_t. The recipient of the callback
|
|
// can extract information from this message using cmTimeLineDecode()
|
|
// to form a cmTlUiMsg_t record. Note that all pointers internal to the
|
|
// cmTlUiMsg_t point into the message buffer itself.
|
|
|
|
// id's used to indicate the type of a serialized object
|
|
typedef enum
|
|
{
|
|
kInvalidMsgTlId,
|
|
kInitMsgTlId, // A a set of time-line objects is about to be transmitted
|
|
kFinalMsgTlId, // A time-line object is being finalized.
|
|
kDoneMsgTlId, // All the objects assoc'd with a time line seq-notify have been sent.
|
|
kInsertMsgTlId, // A time-line object was inserted.
|
|
} cmTlUiMsgTypeId_t;
|
|
|
|
typedef struct
|
|
{
|
|
cmTlUiMsgTypeId_t msgId; // See cmTlUiMsgTypeId_t.
|
|
unsigned objId; // Set to cmTlObj_t.uid
|
|
unsigned seqId; // Sequence id
|
|
double srate; // Only valid with kInitMsgTlId.
|
|
unsigned seqCnt; // Only valid with kInitMsgTlId.
|
|
} cmTlUiMsg_t;
|
|
|
|
// Decode a serialized cmTlObj_t as passed to the cmTlCb_t listener
|
|
// callback function.
|
|
cmTlRC_t cmTimeLineDecode( const void* msg, unsigned msgByteCnt, cmTlUiMsg_t* uiMsg );
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif
|