Initial commit of mpg123-1.29.3

src/libout123/modules/dummy.c

@@ -0,0 +1,94 @@
+/*
+	dummy: dummy audio output
+
+	copyright ?-2006 by the mpg123 project - free software under the terms of the LGPL 2.1
+	see COPYING and AUTHORS files in distribution or http://mpg123.org
+*/
+
+#include "out123_int.h"
+#include "debug.h"
+
+static int open_dummy(out123_handle *ao)
+{
+	debug("open_dummy()");
+	if(ao->format < 0)
+	{
+		ao->rate     = 44100;
+		ao->channels = 2;
+		ao->format   = MPG123_ENC_SIGNED_16;
+	}
+	return 0;
+}
+
+static int get_formats_dummy(out123_handle *ao)
+{
+	debug("get_formats_dummy()");
+	return MPG123_ENC_ANY;
+}
+
+static int write_dummy(out123_handle *ao,unsigned char *buf,int len)
+{
+	debug("write_dummy()");
+	return len;
+}
+
+static void flush_dummy(out123_handle *ao)
+{
+	debug("flush_dummy()");
+}
+
+static int close_dummy(out123_handle *ao)
+{
+	debug("close_dummy()");
+	return 0;
+}
+
+static void deinit_dummy(out123_handle *ao)
+{
+	debug("deinit_dummy()");
+}
+
+static int enumerate_dummy( out123_handle *ao, int (*store_device)(void *devlist
+,	const char *name, const char *description), void *devlist)
+{
+	if(store_device(devlist, "foo", "some dummy device"))
+		return -1;
+	if(store_device(devlist, "bar", "some other dummy device"))
+		return -1;
+	return 0;
+}
+
+
+static int init_dummy(out123_handle* ao)
+{
+	if (ao==NULL) return -1;
+	debug("init_dummy()");
+	
+	/* Set callbacks */
+	ao->open = open_dummy;
+	ao->flush = flush_dummy;
+	ao->write = write_dummy;
+	ao->get_formats = get_formats_dummy;
+	ao->close = close_dummy;
+	ao->deinit = deinit_dummy;
+	ao->enumerate = enumerate_dummy;
+
+	/* Success */
+	return 0;
+}
+
+
+
+/* 
+	Module information data structure
+*/
+mpg123_module_t mpg123_output_module_info = {
+	/* api_version */	MPG123_MODULE_API_VERSION,
+	/* name */			"dummy",						
+	/* description */	"Dummy audio output - does not output audio.",
+	/* revision */		"$Rev:$",						
+	/* handle */		NULL,
+	
+	/* init_output */	init_dummy,						
+};
+