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cwMidiFile.h/cpp : Added report_begin_end()

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This commit is contained in:
kevin 2023-09-12 17:37:30 -04:00
parent 772521e604
commit 75c6959529
2 changed files with 90 additions and 5 deletions
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93
cwMidiFile.cpp
View File

@ -7,7 +7,7 @@
#include "cwFileSys.h"
#include "cwMidi.h"
#include "cwMidiFile.h"
#include "cwText.h"
#ifdef cwBIG_ENDIAN
#define mfSwap16(v) (v)
@ -1208,6 +1208,31 @@ namespace cw
return rc;
}
rc_t _testRptBeginEnd( const object_t* cfg )
{
rc_t rc;
const char* midi_fname = nullptr;
unsigned msg_cnt = 0;
bool noteon_only_fl;
if((rc = cfg->getv("midi_fname",midi_fname,
"note_on_only_fl", noteon_only_fl,
"msg_cnt",msg_cnt)) != kOkRC )
{
rc = cwLogError(rc,"MIDI file rpt beg/end arg. parse failed.");
goto errLabel;
}
if((rc = report_begin_end(midi_fname,msg_cnt,noteon_only_fl)) != kOkRC )
{
rc = cwLogError(rc,"MIDI file rpt beg/end failed.");
goto errLabel;
}
errLabel:
return rc;
}
}
}
}
@ -2037,7 +2062,7 @@ namespace cw
void _printHdr( const file_t* mfp, log::handle_t logH )
{
if( mfp->fn != NULL )
cwLogPrintH(logH,"%s ",mfp->fn);
cwLogPrintH(logH,"%s\n",mfp->fn);
cwLogPrintH(logH,"fmt:%i ticksPerQN:%i tracks:%i\n",mfp->fmtId,mfp->ticksPerQN,mfp->trkN);
@ -2412,6 +2437,61 @@ cw::rc_t cw::midi::file::report( const char* midiFn, log::handle_t logH )
return rc;
}
cw::rc_t cw::midi::file::report_begin_end( const char* midiFn, unsigned msg_cnt, bool noteon_only_fl, log::handle_t logH )
{
handle_t mfH;
rc_t rc;
// Selector function
auto sel = []( auto noteon_fl, const trackMsg_t* m){ return (m!=nullptr) && ((!noteon_fl) || (noteon_fl && isNoteOn(m))); };
if( !logH.isValid() )
logH = log::globalHandle();
if((rc = open(mfH,midiFn)) != kOkRC )
{
rc = cwLogError(rc,"Unable to open the MIDI file: %s\n",cwStringNullGuard(midiFn));
goto errLabel;
}
else
{
file_t* p = _handleToPtr(mfH);
_printHdr(p,logH);
msg_cnt = std::min(msg_cnt,p->msgN);
const trackMsg_t** msgV = _msgArray(p);
unsigned mn = 0;
for(unsigned mi=0; mn<msg_cnt && mi<p->msgN; ++mi)
if( sel(noteon_only_fl,msgV[mi] ) )
{
_printMsg(logH,msgV[mi]);
++mn;
}
if( p->msgN > 0 )
{
int mi = p->msgN-1;
for(mn=0; mn<msg_cnt && mi>=0; --mi)
if( sel(noteon_only_fl,msgV[mi]) )
++mn;
for(; mi<(int)p->msgN; ++mi)
if( sel(noteon_only_fl,msgV[mi]) )
_printMsg(logH,msgV[mi]);
}
}
errLabel:
close(mfH);
return rc;
}
void cw::midi::file::printControlNumbers( const char* fn )
{
@ -2456,14 +2536,17 @@ cw::rc_t cw::midi::file::test( const object_t* cfg )
{
if((o = cfg->child_ele(i)) != nullptr )
{
if( strcmp(o->pair_label(),"rpt")==0 )
if( textIsEqual(o->pair_label(),"rpt") )
rc = _testReport(o->pair_value());
if( strcmp(o->pair_label(),"csv")==0 )
if( textIsEqual(o->pair_label(),"csv") )
rc = _testCsv(o->pair_value());
if( strcmp(o->pair_label(),"batch_convert")==0 )
if( textIsEqual(o->pair_label(),"batch_convert") )
rc = _testBatchConvert(o->pair_value());
if( textIsEqual(o->pair_label(),"rpt_beg_end") )
rc = _testRptBeginEnd(o->pair_value());
}
}

2
cwMidiFile.h
View File

@ -224,6 +224,8 @@ namespace cw
// Generate a text file reportusing cmMIdiFilePrintMsgs()
rc_t report( const char* midiFn, log::handle_t logH );
rc_t report_begin_end( const char* midiFn, unsigned msg_cnt=10, bool pitch_only_fl=true, log::handle_t logH=log::handle_t() );
void printControlNumbers( const char* midiFileName );
rc_t test( const object_t* cfg );