45 lines
927 B
C
45 lines
927 B
C
/* vim: tabstop=4 shiftwidth=4 noexpandtab
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* This file is part of ToaruOS and is released under the terms
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* of the NCSA / University of Illinois License - see LICENSE.md
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* Copyright (C) 2015-2018 K. Lange
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*
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* play - Play back PCM samples
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*
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* This needs very specifically-formatted PCM data to function
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* properly - 16-bit, signed, stereo, little endian, and 48KHz.
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*/
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#include <stdio.h>
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#include <string.h>
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#include <unistd.h>
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#include <fcntl.h>
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#include <sys/ioctl.h>
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int main(int argc, char * argv[]) {
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int spkr = open("/dev/dsp", O_WRONLY);
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int song;
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if (!strcmp(argv[1], "-")) {
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song = STDIN_FILENO;
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} else {
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song = open(argv[1], O_RDONLY);
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}
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if (spkr == -1) {
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fprintf(stderr, "no dsp\n");
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return 1;
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}
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if (song == -1) {
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fprintf(stderr, "audio file not found\n");
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return 2;
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}
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char buf[0x1000];
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int r;
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while ((r = read(song, buf, sizeof(buf)))) {
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write(spkr, buf, r);
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}
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return 0;
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}
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