pipe.c
2.56 KB
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/*
Audio File Library
Copyright (C) 2001, 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.
*/
/*
pipe.c
This program provides a simple test of Audio File Library
operation on non-seekable file handles.
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <audiofile.h>
#include <stdio.h>
#include <stdlib.h>
#define SAMPLE_COUNT 12
#define FRAME_COUNT 6
void ensure (int condition, const char *message)
{
if (!condition)
{
printf("%s.\n", message);
exit(EXIT_FAILURE);
}
}
int main (int argc, char **argv)
{
AFfilesetup setup;
AFfilehandle file;
int16_t samples[SAMPLE_COUNT] = {-1,3,9,2,-5,4,8,-3,6,21,11,-2};
int output = 0;
setup = afNewFileSetup();
afInitFileFormat(setup, AF_FILE_RAWDATA);
afInitSampleFormat(setup, AF_DEFAULT_TRACK, AF_SAMPFMT_TWOSCOMP, 16);
afInitChannels(setup, AF_DEFAULT_TRACK, 2);
afInitRate(setup, AF_DEFAULT_TRACK, 44100);
#ifdef WORDS_BIGENDIAN
afInitByteOrder(setup, AF_DEFAULT_TRACK, AF_BYTEORDER_BIGENDIAN);
#else
afInitByteOrder(setup, AF_DEFAULT_TRACK, AF_BYTEORDER_LITTLEENDIAN);
#endif
if (argc > 1 && !strcmp(argv[1], "out"))
output = 1;
if (output)
{
AFframecount framesWritten;
file = afOpenFD(1, "w", setup);
afFreeFileSetup(setup);
framesWritten = afWriteFrames(file, AF_DEFAULT_TRACK, samples,
FRAME_COUNT);
ensure(framesWritten == FRAME_COUNT,
"incorrect number of frames written");
fprintf(stderr, "pipe write passed\n");
}
else
{
AFframecount framesRead;
int16_t samplesRead[SAMPLE_COUNT];
file = afOpenFD(0, "r", setup);
afFreeFileSetup(setup);
framesRead = afReadFrames(file, AF_DEFAULT_TRACK, samplesRead,
FRAME_COUNT);
ensure(framesRead == FRAME_COUNT,
"incorrect number of frames read");
ensure(memcmp(samplesRead, samples,
SAMPLE_COUNT * sizeof (int16_t)) == 0,
"samples read do not match samples written");
fprintf(stderr, "pipe read passed\n");
}
afCloseFile(file);
exit(EXIT_SUCCESS);
}