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-rw-r--r--sys/dev/pcm/fake.c115
1 files changed, 115 insertions, 0 deletions
diff --git a/sys/dev/pcm/fake.c b/sys/dev/pcm/fake.c
new file mode 100644
index 0000000..d050eef
--- /dev/null
+++ b/sys/dev/pcm/fake.c
@@ -0,0 +1,115 @@
+/*
+ * Copyright (c) 1999 Cameron Grant <gandalf@vilnya.demon.co.uk>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
+ * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * $Id$
+ */
+
+#include "pcm.h"
+
+#include <dev/pcm/sound.h>
+
+/* channel interface */
+static void *fkchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir);
+static int fkchan_setdir(void *data, int dir);
+static int fkchan_setformat(void *data, u_int32_t format);
+static int fkchan_setspeed(void *data, u_int32_t speed);
+static int fkchan_setblocksize(void *data, u_int32_t blocksize);
+static int fkchan_trigger(void *data, int go);
+static int fkchan_getptr(void *data);
+static pcmchan_caps *fkchan_getcaps(void *data);
+
+static pcmchan_caps fk_caps = {
+ 4000, 48000,
+ AFMT_STEREO | AFMT_U8 | AFMT_S8 | AFMT_S16_LE | AFMT_S16_BE | AFMT_U16_LE | AFMT_U16_BE
+};
+
+static pcm_channel fk_chantemplate = {
+ fkchan_init,
+ fkchan_setdir,
+ fkchan_setformat,
+ fkchan_setspeed,
+ fkchan_setblocksize,
+ fkchan_trigger,
+ fkchan_getptr,
+ fkchan_getcaps,
+};
+
+/* channel interface */
+static void *
+fkchan_init(void *devinfo, snd_dbuf *b, pcm_channel *c, int dir)
+{
+ b->bufsize = 16384;
+ b->buf = malloc(b->bufsize, M_DEVBUF, M_NOWAIT);
+ return (void *)0xbabef00d;
+}
+
+static int
+fkchan_setdir(void *data, int dir)
+{
+ return 0;
+}
+
+static int
+fkchan_setformat(void *data, u_int32_t format)
+{
+ return 0;
+}
+
+static int
+fkchan_setspeed(void *data, u_int32_t speed)
+{
+ return speed;
+}
+
+static int
+fkchan_setblocksize(void *data, u_int32_t blocksize)
+{
+ return blocksize;
+}
+
+static int
+fkchan_trigger(void *data, int go)
+{
+ return 0;
+}
+
+static int
+fkchan_getptr(void *data)
+{
+ return 0;
+}
+
+static pcmchan_caps *
+fkchan_getcaps(void *data)
+{
+ return &fk_caps;
+}
+
+int
+fkchan_setup(pcm_channel *c)
+{
+ *c = fk_chantemplate;
+ return 0;
+}
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