diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/opcodes.cpp | 102 |
1 files changed, 102 insertions, 0 deletions
diff --git a/src/opcodes.cpp b/src/opcodes.cpp new file mode 100644 index 0000000..606cd2f --- /dev/null +++ b/src/opcodes.cpp @@ -0,0 +1,102 @@ +#include <plugin.h> +#include <festival/festival.h> +#include <sstream> + +struct ftts : csnd::Plugin<1, 2> { + static constexpr char const *otypes = "i"; + static constexpr char const *itypes = "Si"; + EST_Wave wave; + FUNC *table; + + int genft(int size) { + EVTBLK *evt; + MYFLT *pf; + + evt = (EVTBLK*) csound->malloc(sizeof(EVTBLK)); + evt->opcod = "f"; + evt->strarg = NULL; + evt->pcnt = 5; + pf = &evt->p[0]; + pf[0] = FL(0); + pf[1] = FL(0); + pf[2] = evt->p2orig = FL(0); + pf[3] = evt->p3orig = -size; + pf[4] = FL(2); // gen numbe + pf[5] = FL(0); + int n = csound->get_csound()->hfgens(csound->get_csound(), &table, evt, 1); + if (UNLIKELY(n != 0)) { + return NOTOK; + } + csound->free(evt); + return OK; + } + + int init() { + // create mutex for realtime run; check csound.c like line 3685 + STRINGDAT &word = inargs.str_data(0); + int heap_size = 210000; + int load_init_files = 1; + festival_initialize(load_init_files, heap_size); + std::ostringstream pitch; + pitch << "(set! duffint_params '((start " + << ((int) inargs[1]) << ") end (" + << ((int) inargs[1]) << ")))"; + festival_eval_command(pitch.str().c_str()); + + festival_eval_command("(Parameter.set 'Int_Method 'DuffInt)"); + festival_eval_command("(Parameter.set 'Int_Target_Method Int_Targets_Default)"); + festival_eval_command("(Parameter.set 'Audio_Required_Rate 44100)"); + festival_text_to_wave(word.data, wave); + festival_wait_for_spooler(); + + int adjusted_size = (csound->sr() / wave.sample_rate()) * wave.length(); + if ((genft(adjusted_size)) != OK) { + return csound->init_error("Cannot create ftable"); + } + + table->soundend = adjusted_size; + table->nchanls = 1; + table->flenfrms = adjusted_size; + table->gen01args.sample_rate = csound->sr(); + table->cpscvt = 0; + table->cvtbas = LOFACT; // * csound->sr() * csound->get_csound()->onedsr; + table->loopmode1 = 0; + table->loopmode2 = 0; + table->begin1 = 0; + table->end1 = adjusted_size; + table->begin2 = 0; + table->end2 = adjusted_size; + + read_in(); + outargs[0] = table->fno; + return OK; + } + + int read_in() { + MYFLT lastsample = 0; + int read_pos = 0; + int kcount = 0; + int write_pos = 0; + int srdiv = csound->sr() / wave.sample_rate(); + + while (read_pos < wave.length() && write_pos < table->soundend) { + if (kcount == 0) { + lastsample = (MYFLT) wave.a(read_pos++, 0)*0.00001; + } + + table->ftable[write_pos] = lastsample; + + write_pos++; + + if (++kcount > srdiv) { + kcount = 0; + } + } + return OK; + } +}; + +#include <modload.h> +void csnd::on_load(csnd::Csound *csound) { + csnd::plugin<ftts>(csound, "ftts", csnd::thread::i); +} |