1/*
2 * Copyright (c) 1999-2000, Eric Moon.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright
10 *    notice, this list of conditions, and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions, and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 *
16 * 3. The name of the author may not be used to endorse or promote products
17 *    derived from this software without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
20 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
21 * OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
23 * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
24 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
25 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
26 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
27 * TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
28 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 */
30
31
32// NullFilterAddOn.h
33// * PURPOSE
34//   To test the IAudioOp framework, this add-on creates
35//   'do-nothing' filter nodes.
36//
37// * HISTORY
38//   e.moon		8sep99		Begun
39
40#ifndef __NullFilterAddOn_H__
41#define __NullFilterAddOn_H__
42
43#include <MediaAddOn.h>
44
45// -------------------------------------------------------- //
46
47class NullFilterAddOn	 :
48	public		BMediaAddOn {
49	typedef		BMediaAddOn _inherited;
50
51public:					// ctor/dtor
52//	virtual ~NullFilterAddOn();
53	explicit NullFilterAddOn(image_id image);
54
55public:					// BMediaAddOn impl
56virtual	status_t InitCheck(
57				const char** out_failure_text);
58virtual	int32 CountFlavors();
59virtual	status_t GetFlavorAt(
60				int32 n,
61				const flavor_info ** out_info);
62virtual	BMediaNode * InstantiateNodeFor(
63				const flavor_info * info,
64				BMessage * config,
65				status_t * out_error);
66virtual	status_t GetConfigurationFor(
67				BMediaNode * your_node,
68				BMessage * into_message);
69
70virtual	bool WantsAutoStart() { return false; }
71virtual	status_t AutoStart(
72				int in_count,
73				BMediaNode ** out_node,
74				int32 * out_internal_id,
75				bool * out_has_more) { return B_OK; }
76};
77
78#endif /*__NullFilterAddOn_H__*/