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https://github.com/coop-deluxe/sm64coopdx.git
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136 lines
3.7 KiB
C
136 lines
3.7 KiB
C
/*
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Audio File Library
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Copyright (C) 2001, Silicon Graphics, Inc.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License along
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with this program; if not, write to the Free Software Foundation, Inc.,
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51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
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*/
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/*
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testfloat.c
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This program tests floating-point reading and writing for
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the AIFF-C, WAVE, NeXT .snd, and IRCAM file formats.
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*/
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include <limits.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <audiofile.h>
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#include "TestUtilities.h"
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static char sTestFileName[PATH_MAX];
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const float samples[] =
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{1.0, 0.6, -0.3, 0.95, 0.2, -0.6, 0.9, 0.4, -0.22, 0.125, 0.1, -0.4};
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#define SAMPLE_COUNT (sizeof (samples) / sizeof (float))
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void testfloat (int fileFormat);
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void cleanup (void)
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{
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unlink(sTestFileName);
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}
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void ensure (int condition, const char *message)
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{
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if (!condition)
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{
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printf("%s.\n", message);
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cleanup();
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exit(EXIT_FAILURE);
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}
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}
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int main (int argc, char **argv)
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{
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/* These file formats support floating-point audio data. */
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int fileFormatCount = 4;
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int fileFormats[] =
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{AF_FILE_AIFFC, AF_FILE_WAVE, AF_FILE_NEXTSND, AF_FILE_IRCAM};
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char *formatNames[] = {"AIFF-C", "WAVE", "NeXT .snd", "IRCAM"};
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int i;
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for (i=0; i<fileFormatCount; i++)
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{
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printf("testfloat: testing %s\n", formatNames[i]);
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testfloat(fileFormats[i]);
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}
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printf("testfloat passed\n");
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exit(EXIT_SUCCESS);
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}
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void testfloat (int fileFormat)
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{
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AFfilesetup setup;
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AFfilehandle file;
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int framesWritten, framesRead;
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const int frameCount = SAMPLE_COUNT/2;
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float readsamples[SAMPLE_COUNT];
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int i;
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int sampleFormat, sampleWidth;
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setup = afNewFileSetup();
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afInitFileFormat(setup, fileFormat);
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afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_FLOAT, 32);
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afInitChannels(setup, AF_DEFAULT_TRACK, 2);
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ensure(createTemporaryFile("testfloat", sTestFileName),
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"could not create temporary file");
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file = afOpenFile(sTestFileName, "w", setup);
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ensure(file != AF_NULL_FILEHANDLE, "could not open file for writing");
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afFreeFileSetup(setup);
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framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples,
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frameCount);
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ensure(framesWritten == frameCount, "number of frames written does not match number of frames requested");
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ensure(afCloseFile(file) == 0, "error closing file");
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file = afOpenFile(sTestFileName, "r", AF_NULL_FILESETUP);
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ensure(file != AF_NULL_FILEHANDLE, "could not open file for reading");
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ensure(afGetChannels(file, AF_DEFAULT_TRACK) == 2,
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"file doesn't have exactly two channels");
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afGetSampleFormat(file, AF_DEFAULT_TRACK, &sampleFormat, &sampleWidth);
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ensure(sampleFormat == AF_SAMPFMT_FLOAT && sampleWidth == 32,
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"file doesn't contain 32-bit floating-point data");
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ensure(afGetFileFormat(file, NULL) == fileFormat,
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"file format doesn't match format requested");
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framesRead = afReadFrames(file, AF_DEFAULT_TRACK, readsamples,
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frameCount);
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ensure(framesRead == frameCount, "number of frames read does not match number of frames requested");
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for (i=0; i<SAMPLE_COUNT; i++)
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{
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ensure(readsamples[i] == samples[i],
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"data written to file doesn't match data read");
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}
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ensure(afCloseFile(file) == 0, "error closing file");
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cleanup();
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}
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