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/*
pv_import.c
Copyright (C) 1995 John ffitch
modified 2006 John ffitch for Csound5 format
This file is part of Csound.
The Csound Library is free software; you can redistribute it
and/or modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) any later version.
Csound is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with Csound; if not, write to the Free Software
Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
02110-1301 USA
*/
/* ***************************************************************** */
/* ******** Program to import pvoc files from tabular format. ****** */
/* ***************************************************************** */
/* ***************************************************************** */
/* John ffitch 1995 Jun 17 */
/* ***************************************************************** */
#include "std_util.h"
#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
#include "pvfileio.h"
static void pv_import_usage(CSOUND *csound)
{
csound->Message(csound, "%s", Str("Usage: pv_import cstext_file pv_file\n"));
}
static float getnum(FILE* inf, char *term)
{
char buff[100];
int32_t cc;
int32_t p = 0;
while ((cc=getc(inf))!=',' && cc!='\n' && cc!=EOF && p<99) buff[p++] = cc;
buff[p]='\0';
*term = cc;
return (float)atof(buff);
}
static int32_t pv_import(CSOUND *csound, int32_t argc, char **argv)
{
FILE *inf;
int32_t outf;
PVOCDATA data;
WAVEFORMATEX fmt;
if (UNLIKELY(argc != 3)) {
pv_import_usage(csound);
return 1;
}
inf = fopen(argv[1], "rb");
if (UNLIKELY(inf == NULL)) {
csound->Message(csound, Str("Cannot open input file %s\n"), argv[1]);
return 1;
}
if (UNLIKELY(UNLIKELY(EOF == fscanf(inf,
"FormatTag,Channels,SamplesPerSec,AvgBytesPerSec,"
"BlockAlign,BitsPerSample,cbSize\n")))) {
csound->Message(csound, "%s", Str("Not a PV file\n"));
exit(1);
}
{
int32_t fmt1, fmt2, fmt3, fmt4, fmt5;
if (UNLIKELY(7!=fscanf(inf, "%d,%d,%d,%d,%u,%u,%d\n",
&fmt1, &fmt2, &fmt.nSamplesPerSec,
&fmt.nAvgBytesPerSec, &fmt3, &fmt4, &fmt5))) {
printf("ill formed inout\n");
exit(1);
}
fmt.wFormatTag = fmt1;
fmt.nChannels = fmt2;
fmt.nBlockAlign = fmt3;
fmt.wBitsPerSample = fmt4;
fmt.cbSize = fmt5;
}
if (UNLIKELY(EOF == fscanf(inf, "WordFormat,AnalFormat,SourceFormat,WindowType,"
"AnalysisBins,Winlen,Overlap,FrameAlign,"
"AnalysisRate,WindowParam\n"))) {
csound->Message(csound, "%s", Str("Not a PV file\n"));
exit(1);
}
{
int32_t data1, data2, data3, data4;
if (UNLIKELY(10!=fscanf(inf, "%d,%d,%d,%d,%d,%d,%d,%d,%g,%g\n",
&data1,&data2,&data3,&data4,&data.nAnalysisBins,
&data.dwWinlen, &data.dwOverlap,&data.dwFrameAlign,
&data.fAnalysisRate, &data.fWindowParam))) {
printf("Ill formed data\n");
exit(1);
}
data.wWordFormat = data1;
data.wAnalFormat = data2;
data.wSourceFormat = data3;
data.wWindowType = data4;
}
{
pv_stype stype = (fmt.wBitsPerSample==16?STYPE_16:
fmt.wBitsPerSample==24?STYPE_24:
fmt.wBitsPerSample==32?STYPE_32:STYPE_IEEE_FLOAT);
outf = csound->PVOC_CreateFile(csound, argv[2],
(data.nAnalysisBins-1)*2, data.dwOverlap,
fmt.nChannels, data.wAnalFormat,
fmt.nSamplesPerSec, stype,
data.wWindowType, data.fWindowParam,
NULL, data.dwWinlen);
}
if (UNLIKELY(outf < 0)) {
csound->Message(csound, Str("Cannot open output file %s\n"), argv[2]);
fclose(inf);
return 1;
}
{
float *frame =
(float*) csound->Malloc(csound, data.nAnalysisBins*2*sizeof(float));
int32_t i;
if (UNLIKELY(frame==NULL)) {
csound->Message(csound, "%s", Str("Memory failure\n"));
exit(1);
}
for (i=1;;i++) {
uint32_t j;
for (j=0; j<data.nAnalysisBins*2; j++) {
char term;
frame[j] = getnum(inf, &term);
if (term==EOF) goto ending;
if (feof(inf)) goto ending;
if (UNLIKELY(term!=',' && term!='\n'))
csound->Message(csound, "%s", Str("Sync error\n"));
}
if (UNLIKELY(i%100==0)) csound->Message(csound, "%d\n", i);
csound->PVOC_PutFrames(csound, outf, frame, 1);
}
ending:
csound->Free(csound,frame);
}
fclose(inf);
csound->PVOC_CloseFile(csound, outf);
return 0;
}
/* module interface */
int32_t pv_import_init_(CSOUND *csound)
{
int32_t retval = csound->AddUtility(csound, "pv_import", pv_import);
if (!retval) {
retval =
csound->SetUtilityDescription(csound, "pv_import",
Str("translate text form to "
"PVOC analysis file"));
}
return retval;
}
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