instparamwrite.c
1.41 KB
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/*
Audio File Library
Copyright 2000, Silicon Graphics, Inc.
This program is free software; you can redistribute it and/or
modify it under the terms of the GNU General Public License as
published by the Free Software Foundation; either version 2 of
the License, or (at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public
License along with this program; if not, write to the Free
Software Foundation, Inc., 59 Temple Place, Suite 330, Boston,
MA 02111-1307, USA.
*/
#include <stdio.h>
#include <audiofile.h>
main (int argc, char **argv)
{
AFfilehandle file;
AFfilesetup setup;
AUpvlist list;
if (argc != 2)
{
fprintf(stderr, "usage: instparamwrite filename\n");
}
setup = afNewFileSetup();
afInitFileFormat(setup, AF_FILE_AIFFC);
file = afOpenFile(argv[1], "w", setup);
if (file == AF_NULL_FILEHANDLE)
{
fprintf(stderr, "could not open file %s for writing", argv[1]);
}
afFreeFileSetup(setup);
/* Set the base note to a 'D.' */
afSetInstParamLong(file, AF_DEFAULT_INST, AF_INST_MIDI_BASENOTE, 50);
/* Detune down by 30 cents. */
afSetInstParamLong(file, AF_DEFAULT_INST, AF_INST_NUMCENTS_DETUNE, -30);
afCloseFile(file);
}