Differential D10828 Diff 29020 head/audio/rsynth/files/ossplay.c

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Property	Old Value	New Value
fbsd:nokeywords	null	yes \ No newline at end of property
svn:eol-style	null	native \ No newline at end of property
svn:mime-type	null	text/plain \ No newline at end of property

				#include <config.h>

				/*****************************************************************/
				/* */
				/* Play out a file on FreeBSD */
				/* (conf/linuxplay.c with changes) */
				/* */
				/*****************************************************************/

				#include <useconfig.h>
				#include <stdio.h>
				#include <math.h>
				#include <errno.h>
				#include <ctype.h>

				#include <fcntl.h>
				#include <sys/file.h>
				#include <sys/stat.h>
				#include <sys/param.h>
				#include <sys/signal.h>

				#include <sys/ioctl.h>

				#include <sys/soundcard.h>
				#include "proto.h"
				#include "getargs.h"
				#include "hplay.h"

				#define SAMP_RATE 8000
				long samp_rate = SAMP_RATE;

				static int dev_fd = -1;
				char *dev_file = "/dev/dsp";

				char *prog = "hplay";

				int
				audio_init(int argc, char *argv[])
				{
				int rate_set = 0;
				int use_audio = 1;
				int fmt;

				prog = argv[0];

				argc = getargs("Audio output",argc, argv,
				"r", "%d", &rate_set, "Sample rate",
				"a", NULL, &use_audio, "Audio enable",
				NULL);

				if (help_only \|\| !use_audio)
				return argc;

				dev_fd = open(dev_file, O_WRONLY);
				if (dev_fd < 0) {
				perror(dev_file);
				return argc;
				}

				if (rate_set)
				samp_rate = rate_set;

				fmt = AFMT_S16_NE;
				if (ioctl(dev_fd, SNDCTL_DSP_SETFMT, &fmt) < 0)
				perror("SNDCTL_DSP_SETFMT");

				if (ioctl(dev_fd, SNDCTL_DSP_SPEED, &samp_rate) < 0)
				perror("SNDCTL_DSP_SPEED");

				return argc;
				}

				void
				audio_term()
				{
				if (dev_fd >= 0)
				{
				close(dev_fd);
				dev_fd = -1;
				}
				}

				void
				audio_play(int n, short *data)
				{
				if (n > 0 && dev_fd >= 0)
				{
				size_t size = n * sizeof(short);
				if (write(dev_fd, data, size) != size)
				perror("write");
				}
				}