cwWaveTableNotes.h/cpp,Makefile.am : Initial commit.
This commit is contained in:
kevin
parent
dfd1805ba1
commit
5e8e44af72
@ -28,8 +28,8 @@ libcwSRC += src/libcw/cwSpScBuf.cpp src/libcw/cwSpScQu
|
||||
libcwHDR += src/libcw/cwNbMpScQueue.h
|
||||
libcwSRC += src/libcw/cwNbMpScQueue.cpp
|
||||
|
||||
libcwHDR += src/libcw/cwAudioFile.h src/libcw/cwMidiFile.h src/libcw/cwWaveTableBank.h
|
||||
libcwSRC += src/libcw/cwAudioFile.cpp src/libcw/cwMidiFile.cpp src/libcw/cwWaveTableBank.cpp
|
||||
libcwHDR += src/libcw/cwAudioFile.h src/libcw/cwMidiFile.h src/libcw/cwWaveTableBank.h src/libcw/cwWaveTableNotes.h
|
||||
libcwSRC += src/libcw/cwAudioFile.cpp src/libcw/cwMidiFile.cpp src/libcw/cwWaveTableBank.cpp src/libcw/cwWaveTableNotes.cpp
|
||||
|
||||
libcwHDR += src/libcw/cwAudioFileOps.h src/libcw/cwAudioTransforms.h src/libcw/cwDspTransforms.h src/libcw/cwAudioFileProc.h src/libcw/cwPvAudioFileProc.h
|
||||
libcwSRC += src/libcw/cwAudioFileOps.cpp src/libcw/cwAudioTransforms.cpp src/libcw/cwDspTransforms.cpp src/libcw/cwAudioFileProc.cpp src/libcw/cwPvAudioFileProc.cpp
|
||||
|
||||
293
cwWaveTableNotes.cpp
Normal file
293
cwWaveTableNotes.cpp
Normal file
@ -0,0 +1,293 @@
|
||||
#include "cwCommon.h"
|
||||
#include "cwLog.h"
|
||||
#include "cwCommonImpl.h"
|
||||
#include "cwTest.h"
|
||||
#include "cwMem.h"
|
||||
#include "cwFile.h"
|
||||
#include "cwText.h"
|
||||
#include "cwObject.h"
|
||||
#include "cwFileSys.h"
|
||||
#include "cwAudioFile.h"
|
||||
#include "cwMath.h"
|
||||
#include "cwVectOps.h"
|
||||
#include "cwMidi.h"
|
||||
#include "cwDspTypes.h"
|
||||
#include "cwDsp.h"
|
||||
#include "cwAudioTransforms.h"
|
||||
#include "cwWaveTableBank.h"
|
||||
#include "cwWaveTableNotes.h"
|
||||
|
||||
cw::rc_t cw::wt_note::gen_note( wt_bank::handle_t wtbH,
|
||||
unsigned instr_idx,
|
||||
unsigned midi_pitch,
|
||||
unsigned velocity,
|
||||
srate_t srate,
|
||||
sample_t** audioChA,
|
||||
unsigned audioChN,
|
||||
unsigned audioFrmN )
|
||||
{
|
||||
rc_t rc = kOkRC;
|
||||
unsigned chN = audioChN; // output audio channels
|
||||
const wt_bank::multi_ch_wt_seq_t* mcs = nullptr; // wave table ptr
|
||||
sample_t* aM = nullptr; // temp. audio buffer
|
||||
const unsigned kDspFrmN = 64; // default frame request count
|
||||
unsigned reqFrmN = 0; // count of sample frames requestdd
|
||||
unsigned retFrmN = 0; // countof sample frames returned
|
||||
unsigned audioChFrmIdx = 0; // current audio frame index into audioChA[]
|
||||
audiofile::handle_t afH;
|
||||
|
||||
// multi-channel wave table oscillator
|
||||
struct dsp::multi_ch_wt_seq_osc::obj_str<sample_t,srate_t> osc;
|
||||
|
||||
// get the requested wave table
|
||||
if((rc = wt_bank::get_wave_table( wtbH, instr_idx, midi_pitch, velocity, mcs )) != kOkRC )
|
||||
{
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
// if the wave table has fewer channels than the output audio buffer
|
||||
if( mcs->chN < chN )
|
||||
chN = mcs->chN;
|
||||
|
||||
// TODO: VERIFY srate == SAMPLE RATE OF WAVETABLES
|
||||
// mcs->valid_srate(srate)
|
||||
|
||||
// allocate and setup xthe oscillator
|
||||
if((rc = create(&osc,chN,mcs)) != kOkRC )
|
||||
{
|
||||
rc = cwLogError(rc,"multi-ch-wt-seq-osc create failed.");
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
// allocate a tempory audio buffer
|
||||
aM = mem::allocZ<sample_t>(chN*kDspFrmN);
|
||||
|
||||
// for each sample in the output signal
|
||||
while( retFrmN==reqFrmN && audioChFrmIdx < audioFrmN )
|
||||
{
|
||||
// calc. the count of requested output audio frames on this iteration
|
||||
reqFrmN = std::min(kDspFrmN,audioFrmN-audioChFrmIdx);
|
||||
|
||||
// generate reqFrmN output samples with the oscillator
|
||||
if((rc = process(&osc, aM, chN, reqFrmN, retFrmN)) != kOkRC )
|
||||
goto errLabel;
|
||||
|
||||
// copy the generated signals into the output signal
|
||||
for(unsigned i=0; i<chN; ++i)
|
||||
vop::copy(audioChA[i]+audioChFrmIdx, (const sample_t*)(aM + i*reqFrmN), retFrmN);
|
||||
|
||||
// advance the output signal
|
||||
audioChFrmIdx += retFrmN;
|
||||
}
|
||||
|
||||
errLabel:
|
||||
if( rc != kOkRC )
|
||||
rc = cwLogError(rc,"note generation failed.");
|
||||
|
||||
mem::release(aM);
|
||||
destroy(&osc);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
cw::rc_t cw::wt_note::gen_notes( wt_bank::handle_t wtbH,
|
||||
const note_t* noteA,
|
||||
unsigned noteN,
|
||||
srate_t srate,
|
||||
sample_t** outChA,
|
||||
unsigned outChN,
|
||||
unsigned outFrmN )
|
||||
{
|
||||
rc_t rc = kOkRC;
|
||||
sample_t* chA[ outChN ];
|
||||
double secs = 0;
|
||||
|
||||
for(unsigned i=0; i<noteN; ++i)
|
||||
{
|
||||
|
||||
const note_t* n = noteA + i;
|
||||
|
||||
secs += n->delta_sec;
|
||||
|
||||
unsigned beg_frm_idx = (unsigned)floor(secs*srate);
|
||||
unsigned dur_frm_cnt = (unsigned)floor(n->dur_sec*srate);
|
||||
|
||||
if( beg_frm_idx > outFrmN )
|
||||
{
|
||||
// TODO:
|
||||
assert(0);
|
||||
}
|
||||
|
||||
if( beg_frm_idx + dur_frm_cnt > outFrmN )
|
||||
{
|
||||
// TODO:
|
||||
assert(0);
|
||||
}
|
||||
|
||||
for(unsigned j=0; j<outChN; ++j)
|
||||
chA[j] = outChA[j] + beg_frm_idx;
|
||||
|
||||
|
||||
if((rc = gen_note( wtbH, n->instr_idx, n->pitch, n->velocity, srate, chA, outChN, dur_frm_cnt)) != kOkRC )
|
||||
{
|
||||
rc = cwLogError(rc,"Generate note failed on 'instr:%i pitch:%i vel:%i.",n->instr_idx, n->pitch, n->velocity);
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
errLabel:
|
||||
cwLogInfo("Generated %6.1f seconds of audio.",secs);
|
||||
return rc;
|
||||
}
|
||||
|
||||
cw::rc_t cw::wt_note::gen_notes( wt_bank::handle_t wtbH,
|
||||
const note_t* noteA,
|
||||
unsigned noteN,
|
||||
srate_t srate,
|
||||
unsigned audioChN,
|
||||
const char* out_audio_fname,
|
||||
unsigned audio_bits)
|
||||
{
|
||||
rc_t rc = kOkRC;
|
||||
unsigned audioFrmN = 0;
|
||||
sample_t* audioM = nullptr;
|
||||
double max_sec = 0;
|
||||
sample_t* chA[ audioChN ];
|
||||
|
||||
double secs = 0;
|
||||
for(unsigned i=0; i<noteN; ++i)
|
||||
{
|
||||
secs += noteA[i].delta_sec;
|
||||
|
||||
if( secs+noteA[i].dur_sec > max_sec )
|
||||
max_sec = secs+noteA[i].dur_sec;
|
||||
}
|
||||
|
||||
cwLogInfo("Allocated %i notes in %6.1f seconds of audio.",noteN,max_sec);
|
||||
|
||||
audioFrmN = (unsigned)ceil( max_sec * srate );
|
||||
audioM = mem::allocZ<sample_t>( audioFrmN * audioChN );
|
||||
|
||||
for(unsigned i=0; i<audioChN; ++i)
|
||||
chA[i] = audioM + (i*audioFrmN);
|
||||
|
||||
if((rc = gen_notes( wtbH, noteA, noteN, srate, chA, audioChN, audioFrmN )) != kOkRC )
|
||||
{
|
||||
cwLogError(rc,"Note generation failed on '%s'.",cwStringNullGuard(out_audio_fname));
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
if((rc = audiofile::writeFileFloat( out_audio_fname, srate, audio_bits, audioFrmN, audioChN, chA)) != kOkRC )
|
||||
{
|
||||
cwLogError(rc,"Audio file write failed on '%s'.",cwStringNullGuard(out_audio_fname));
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
errLabel:
|
||||
mem::release(audioM);
|
||||
return rc;
|
||||
}
|
||||
|
||||
cw::rc_t cw::wt_note::gen_notes( const char* wtb_json_fname,
|
||||
unsigned instr_idx,
|
||||
unsigned min_pitch,
|
||||
unsigned max_pitch,
|
||||
srate_t srate,
|
||||
unsigned audioChN,
|
||||
double note_dur_sec,
|
||||
double inter_note_sec,
|
||||
const char* out_dir )
|
||||
{
|
||||
rc_t rc = kOkRC;
|
||||
note_t* noteA = nullptr;
|
||||
char* audio_fname = nullptr;
|
||||
wt_bank::handle_t wtbH;
|
||||
|
||||
if( min_pitch > max_pitch )
|
||||
{
|
||||
rc = cwLogError(kInvalidArgRC,"The min pitch:%i is greater than the max pitch:%i.",min_pitch,max_pitch);
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
if((rc = wt_bank::create(wtbH,2,wtb_json_fname)) != kOkRC )
|
||||
{
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
if(!filesys::isDir(out_dir))
|
||||
filesys::makeDir(out_dir);
|
||||
|
||||
for(unsigned midi_pitch=min_pitch; midi_pitch<=max_pitch; ++midi_pitch)
|
||||
{
|
||||
unsigned velA[ midi::kMidiVelCnt ];
|
||||
unsigned velCnt = 0;
|
||||
double secs = 0;
|
||||
const unsigned fnameN = 32;
|
||||
char fname[fnameN+1];
|
||||
|
||||
// get the sampled velocities for the instr_idx/midi_pitch
|
||||
if((rc = wt_bank::instr_pitch_velocities( wtbH, instr_idx, midi_pitch, velA, midi::kMidiVelCnt, velCnt )) != kOkRC )
|
||||
{
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
// allocate the note records array
|
||||
noteA = mem::resizeZ<note_t>(noteA,velCnt);
|
||||
|
||||
// fill in the note record array with one note for each sampled velocity
|
||||
for(unsigned i=0; i<velCnt; ++i)
|
||||
{
|
||||
noteA[i].instr_idx = instr_idx;
|
||||
noteA[i].pitch = midi_pitch;
|
||||
noteA[i].velocity = velA[i];
|
||||
noteA[i].delta_sec = note_dur_sec + inter_note_sec;
|
||||
noteA[i].dur_sec = note_dur_sec;
|
||||
secs += note_dur_sec + inter_note_sec;
|
||||
}
|
||||
|
||||
// form the audio file name
|
||||
snprintf(fname,fnameN,"%03i",midi_pitch);
|
||||
fname[fnameN] = 0;
|
||||
mem::release(audio_fname);
|
||||
|
||||
audio_fname = filesys::makeFn( out_dir, fname, "wav", nullptr );
|
||||
|
||||
cwLogInfo("Generating notes for pitch:%i into '%s'.",midi_pitch,cwStringNullGuard(audio_fname));
|
||||
|
||||
// generate the notes
|
||||
if((rc = gen_notes( wtbH, noteA, velCnt, srate, audioChN, audio_fname )) != kOkRC )
|
||||
{
|
||||
rc = cwLogError(rc,"Note generation failed on instr:%i pitch:%i file:%s.",instr_idx,midi_pitch,cwStringNullGuard(audio_fname));
|
||||
goto errLabel;
|
||||
}
|
||||
|
||||
}
|
||||
|
||||
errLabel:
|
||||
destroy(wtbH);
|
||||
mem::release(noteA);
|
||||
mem::release(audio_fname);
|
||||
return rc;
|
||||
}
|
||||
|
||||
cw::rc_t cw::wt_note::test( const test::test_args_t& args )
|
||||
{
|
||||
rc_t rc = kOkRC;
|
||||
const char* wtb_json_fname = "/home/kevin/temp/temp_5.json";
|
||||
unsigned instr_idx = 0;
|
||||
unsigned min_pitch = 60;
|
||||
unsigned max_pitch = 60;
|
||||
srate_t srate = 48000;
|
||||
unsigned audioChN = 2;
|
||||
double note_dur_sec = 9;
|
||||
double inter_note_sec = 1;
|
||||
const char* out_dir = "/home/kevin/temp/gen_note";
|
||||
|
||||
rc = gen_notes( wtb_json_fname, instr_idx, min_pitch, max_pitch, srate, audioChN, note_dur_sec, inter_note_sec, out_dir);
|
||||
|
||||
return rc;
|
||||
}
|
||||
|
||||
|
||||
69
cwWaveTableNotes.h
Normal file
69
cwWaveTableNotes.h
Normal file
@ -0,0 +1,69 @@
|
||||
#ifndef cwWaveTableNotes_h
|
||||
#define cwWaveTableNotes_h
|
||||
|
||||
namespace cw
|
||||
{
|
||||
namespace wt_note
|
||||
{
|
||||
typedef dsp::sample_t sample_t;
|
||||
typedef dsp::srate_t srate_t;
|
||||
|
||||
typedef struct note_str
|
||||
{
|
||||
uint8_t instr_idx; // wave-table-bank instrument index
|
||||
uint8_t pitch; // midi pitch
|
||||
uint8_t velocity; // midi velocity
|
||||
uint8_t _pad; // structure padding byte
|
||||
double delta_sec; // offset from previous note onset in sec's
|
||||
double dur_sec; // note duration in seconds
|
||||
} note_t;
|
||||
|
||||
// Generate a single note and sum it into the output buffer.
|
||||
rc_t gen_note( wt_bank::handle_t wtbH,
|
||||
unsigned instr_idx,
|
||||
unsigned midi_pitch,
|
||||
unsigned velocity,
|
||||
srate_t srate,
|
||||
sample_t** audioChA,
|
||||
unsigned audioChN,
|
||||
unsigned audioFrmN );
|
||||
|
||||
// Fill an output signal with all specified notes.
|
||||
rc_t gen_notes( wt_bank::handle_t wtbH,
|
||||
const note_t* noteA,
|
||||
unsigned noteN,
|
||||
srate_t srate,
|
||||
sample_t** outChA,
|
||||
unsigned outChN,
|
||||
unsigned outFrmN );
|
||||
|
||||
|
||||
// Generate a single output file containing all specified notes.
|
||||
rc_t gen_notes( wt_bank::handle_t wtbH,
|
||||
const note_t* noteA,
|
||||
unsigned noteN,
|
||||
srate_t srate,
|
||||
unsigned audioChN,
|
||||
const char* out_audio_fname,
|
||||
unsigned audio_bits = 32);
|
||||
|
||||
// Generate an output file per pitch for each sampled velocity.
|
||||
rc_t gen_notes( const char* wtb_json_fname,
|
||||
unsigned instr_idx,
|
||||
unsigned min_pitch,
|
||||
unsigned max_pitch,
|
||||
srate_t srate,
|
||||
unsigned audioChN,
|
||||
double note_dur_sec,
|
||||
double inter_note_sec,
|
||||
const char* out_dir );
|
||||
|
||||
rc_t test( const test::test_args_t& args );
|
||||
|
||||
|
||||
|
||||
|
||||
}
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
Reference in New Issue
Block a user