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 41 class _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