2171cf09ad
Updated cmMpInitialize() and cmMpTest() to use cmCtx_t. Added following public functions: cmMpDeviceNameToIndex() cmMpDevicePortNameToIndex() cmMpParserMidiTriple() and cmMpParserTransmit() to allow the MIDI parser to transmit pre-parsed MIDI messages.
101 rivejä
4.0 KiB
C
101 rivejä
4.0 KiB
C
#ifndef cmMidiPort_h
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#define cmMidiPort_h
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#ifdef __cplusplus
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extern "C" {
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#endif
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typedef unsigned cmMpRC_t;
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// Flags used to identify input and output ports on MIDI devices
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enum
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{
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kInMpFl = 0x01,
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kOutMpFl = 0x02
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};
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enum
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{
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kOkMpRC = cmOkRC,
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kCfStringErrMpRC,
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kLHeapErrMpRC,
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kThreadErrMpRC,
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kSysErrMpRC,
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kInvalidArgMpRC,
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kMemAllocFailMpRC,
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kNotImplMpRC,
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kCbNotFoundMpRC
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};
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typedef void (*cmMpCallback_t)( const cmMidiPacket_t* pktArray, unsigned pktCnt );
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//===============================================================================================
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// MIDI Parser
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//
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typedef cmHandle_t cmMpParserH_t;
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// 'cbFunc' and 'cbDataPtr' are optional. If 'cbFunc' is not supplied in the call to
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// cmMpParserCreate() it may be supplied later by cmMpParserInstallCallback().
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// 'bufByteCnt' defines is the largest complete system-exclusive message the parser will
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// by able to transmit. System-exclusive messages larger than this will be broken into
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// multiple sequential callbacks.
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cmMpParserH_t cmMpParserCreate( unsigned devIdx, unsigned portIdx, cmMpCallback_t cbFunc, void* cbDataPtr, unsigned bufByteCnt, cmRpt_t* rpt );
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void cmMpParserDestroy( cmMpParserH_t* hp );
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unsigned cmMpParserErrorCount( cmMpParserH_t h );
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void cmMpParseMidiData( cmMpParserH_t h, unsigned deltaMicroSecs, const cmMidiByte_t* buf, unsigned bufByteCnt );
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// The following two functions are intended to be used togetther.
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// Use cmMpParserMidiTriple() to insert pre-parsed msg's to the output buffer,
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// and then use cmMpParserTransmit() to send the buffer via the parsers callback function.
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// Set the data bytes to 0xff if they are not used by the message.
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cmMpRC_t cmMpParserMidiTriple( cmMpParserH_t h, unsigned deltaMicroSecs, cmMidiByte_t status, cmMidiByte_t d0, cmMidiByte_t d1 );
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cmMpRC_t cmMpParserTransmit( cmMpParserH_t h );
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// Install/Remove additional callbacks.
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cmMpRC_t cmMpParserInstallCallback( cmMpParserH_t h, cmMpCallback_t cbFunc, void* cbDataPtr );
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cmMpRC_t cmMpParserRemoveCallback( cmMpParserH_t h, cmMpCallback_t cbFunc, void* cbDataPtr );
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// Returns true if the parser uses the given callback.
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bool cmMpParserHasCallback( cmMpParserH_t h, cmMpCallback_t cbFunc, void* cbDataPtr );
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//===============================================================================================
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// MIDI Device Interface
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//
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// 'cbFunc' and 'cbDataPtr' are optional (they may be set to NULL). In this case
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// 'cbFunc' and 'cbDataPtr' may be set in a later call to cmMpInstallCallback().
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cmMpRC_t cmMpInitialize( cmCtx_t* ctx, cmMpCallback_t cbFunc, void* cbDataPtr, unsigned parserBufByteCnt, const char* appNameStr );
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cmMpRC_t cmMpFinalize();
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bool cmMpIsInitialized();
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unsigned cmMpDeviceCount();
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const char* cmMpDeviceName( unsigned devIdx );
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unsigned cmMpDeviceNameToIndex(const cmChar_t* name);
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unsigned cmMpDevicePortCount( unsigned devIdx, unsigned flags );
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const char* cmMpDevicePortName( unsigned devIdx, unsigned flags, unsigned portIdx );
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unsigned cmMpDevicePortNameToIndex( unsigned devIdx, unsigned flags, const cmChar_t* name );
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cmMpRC_t cmMpDeviceSend( unsigned devIdx, unsigned portIdx, cmMidiByte_t st, cmMidiByte_t d0, cmMidiByte_t d1 );
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cmMpRC_t cmMpDeviceSendData( unsigned devIdx, unsigned portIdx, const cmMidiByte_t* dataPtr, unsigned byteCnt );
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// Set devIdx to -1 to assign the callback to all devices.
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// Set portIdx to -1 to assign the callback to all ports on the specified devices.
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//
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cmMpRC_t cmMpInstallCallback( unsigned devIdx, unsigned portIdx, cmMpCallback_t cbFunc, void* cbDataPtr );
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cmMpRC_t cmMpRemoveCallback( unsigned devIdx, unsigned portIdx, cmMpCallback_t cbFunc, void* cbDataPtr );
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bool cmMpUsesCallback( unsigned devIdx, unsigned portIdx, cmMpCallback_t cbFunc, void* cbDataPtr );
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void cmMpReport( cmRpt_t* rpt );
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void cmMpTest( 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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