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// AudioAdapterNode.h
33#ifndef AUDIO_ADAPTER_NODE_H
34#define AUDIO_ADAPTER_NODE_H
35
36
37#include "AudioFilterNode.h"
38#include "AudioAdapterParams.h"
39
40
41class _AudioAdapterNode : public AudioFilterNode {
42	typedef	AudioFilterNode _inherited;
43
44	public:	// ctor/dtor
45		virtual ~_AudioAdapterNode();
46		_AudioAdapterNode(const char* name, IAudioOpFactory* opFactory,
47			BMediaAddOn* addOn = 0);
48
49	public:	// AudioFilterNode
50		status_t getRequiredInputFormat(media_format& ioFormat);
51		status_t getPreferredInputFormat(media_format& ioFormat);
52		status_t getRequiredOutputFormat(media_format& ioFormat);
53
54		status_t getPreferredOutputFormat(media_format& ioFormat);
55
56		status_t validateProposedInputFormat(
57			const media_format& preferredFormat,
58			media_format& ioProposedFormat);
59
60		status_t validateProposedOutputFormat(
61			const media_format&	preferredFormat,
62			media_format& ioProposedFormat);
63
64		virtual void SetParameterValue(int32 id, bigtime_t changeTime,
65			const void* value, size_t size); //nyi
66
67	public:	// BBufferProducer/Consumer
68		virtual status_t Connected(const media_source&	source,
69			const media_destination& destination,
70			const media_format& format,
71			media_input* outInput);
72
73		virtual void Connect(status_t status, const media_source& source,
74			const media_destination& destination,
75			const media_format& format,
76			char* ioName);
77
78	private:
79		void _attemptInputFormatChange(
80		const media_multi_audio_format& format); //nyi
81
82		void _attemptOutputFormatChange(
83			const media_multi_audio_format& format); //nyi
84
85		void _broadcastInputFormatParams();
86		void _broadcastOutputFormatParams();
87};
88
89#endif	// AUDIO_ADAPTER_NODE_H
90