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$NetBSD: patch-ah,v 1.1 2001/03/20 09:57:37 wiz Exp $
--- src/plugins/sun/ao_sun.c.orig Mon Mar 19 19:34:22 2001
+++ src/plugins/sun/ao_sun.c
@@ -0,0 +1,150 @@
+/*
+ *
+ * ao_sun.c Solaris/NetBSD/OpenBSD
+ *
+ * Original Copyright (C) Aaron Holtzman - May 1999
+ * Modifications Copyright (C) Stan Seibert - July 2000
+ * and Copyright (C) Christian Weisgerber - March 2001
+ *
+ * libao 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, or (at your option)
+ * any later version.
+ *
+ * libao 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 GNU Make; see the file COPYING. If not, write to
+ * the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ */
+
+#include <sys/types.h>
+#include <sys/ioctl.h>
+#include <errno.h>
+#include <fcntl.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <unistd.h>
+#include <sys/audioio.h>
+
+#ifndef AUDIO_ENCODING_SLINEAR
+#define AUDIO_ENCODING_SLINEAR AUDIO_ENCODING_LINEAR /* Solaris */
+#endif
+
+#include <ao/ao.h>
+
+ao_info_t ao_sun_info = {
+ "Sun audio driver output",
+ "sun",
+ "Christian Weisgerber <naddy@openbsd.org>",
+ "Outputs to the sun audio system."
+};
+
+typedef struct ao_sun_internal_s {
+ char *dev;
+ int fd;
+} ao_sun_internal_t;
+
+void ao_sun_parse_options(ao_sun_internal_t *state, ao_option_t *options)
+{
+ state->dev = NULL;
+
+ while (options) {
+ if (!strcmp(options->key, "dev"))
+ state->dev = strdup(options->value);
+ options = options->next;
+ }
+}
+
+ao_internal_t *plugin_open(uint_32 bits, uint_32 rate, uint_32 channels, ao_option_t *options)
+{
+ ao_sun_internal_t *state;
+ audio_info_t info;
+
+ state = malloc(sizeof(ao_sun_internal_t));
+
+ if (state == NULL) {
+ fprintf(stderr,"libao: Error allocating state memory: %s\n",
+ strerror(errno));
+ goto ERR;
+ }
+
+ ao_sun_parse_options(state, options);
+
+ if (state->dev != NULL) {
+ /* open the user-specified path */
+ state->fd = open(state->dev, O_WRONLY);
+ if (state->fd < 0) {
+ fprintf(stderr, "libao: Error opening audio device %s: %s\n",
+ state->dev, strerror(errno));
+ goto ERR;
+ }
+ } else {
+ /* default */
+ state->dev = strdup("/dev/audio");
+ state->fd = open(state->dev, O_WRONLY);
+ if (state->fd < 0) {
+ fprintf(stderr,
+ "libao: Could not open default device %s: %s\n",
+ state->dev, strerror(errno));
+ goto ERR;
+ }
+ }
+
+ AUDIO_INITINFO(&info);
+#ifdef AUMODE_PLAY /* NetBSD/OpenBSD */
+ info.mode = AUMODE_PLAY;
+#endif
+ info.play.encoding = AUDIO_ENCODING_SLINEAR;
+ info.play.precision = bits;
+ info.play.sample_rate = rate;
+ info.play.channels = channels;
+
+ if (ioctl(state->fd, AUDIO_SETINFO, &info) < 0) {
+ fprintf(stderr,
+ "libao: Cannot set device to %d bits, %d Hz, %d channels: %s\n",
+ bits, rate, channels, strerror(errno));
+ goto ERR;
+ }
+
+ return state;
+
+ERR:
+ if (state != NULL) {
+ if (state->fd >= 0)
+ close(state->fd);
+ if (state->dev)
+ free(state->dev);
+ free(state);
+ }
+ return NULL;
+}
+
+void plugin_play(ao_internal_t *state, void *output_samples, uint_32 num_bytes)
+{
+ write(((ao_sun_internal_t *)state)->fd, output_samples, num_bytes);
+}
+
+void plugin_close(ao_internal_t *state)
+{
+ ao_sun_internal_t *s = (ao_sun_internal_t *)state;
+ close(s->fd);
+ free(s->dev);
+ free(s);
+}
+
+int plugin_get_latency(ao_internal_t *state)
+{
+ /* dummy */
+ return 0;
+}
+
+ao_info_t *plugin_get_driver_info(void)
+{
+ return &ao_sun_info;
+}
|
