* Copyright (c) 1999-2000, Eric Moon.
* 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.
*
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR "AS IS" AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF TITLE, NON-INFRINGEMENT, MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR 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.
*/
#ifndef AUDIO_ADAPTER_NODE_H
#define AUDIO_ADAPTER_NODE_H
#include "AudioFilterNode.h"
#include "AudioAdapterParams.h"
class _AudioAdapterNode : public AudioFilterNode {
typedef AudioFilterNode _inherited;
public:
virtual ~_AudioAdapterNode();
_AudioAdapterNode(const char* name, IAudioOpFactory* opFactory,
BMediaAddOn* addOn = 0);
public:
status_t getRequiredInputFormat(media_format& ioFormat);
status_t getPreferredInputFormat(media_format& ioFormat);
status_t getRequiredOutputFormat(media_format& ioFormat);
status_t getPreferredOutputFormat(media_format& ioFormat);
status_t validateProposedInputFormat(
const media_format& preferredFormat,
media_format& ioProposedFormat);
status_t validateProposedOutputFormat(
const media_format& preferredFormat,
media_format& ioProposedFormat);
virtual void SetParameterValue(int32 id, bigtime_t changeTime,
const void* value, size_t size);
public:
virtual status_t Connected(const media_source& source,
const media_destination& destination,
const media_format& format,
media_input* outInput);
virtual void Connect(status_t status, const media_source& source,
const media_destination& destination,
const media_format& format,
char* ioName);
private:
void _attemptInputFormatChange(
const media_multi_audio_format& format);
void _attemptOutputFormatChange(
const media_multi_audio_format& format);
void _broadcastInputFormatParams();
void _broadcastOutputFormatParams();
};
#endif
