/* * 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. */ // NullFilterAddOn.h // * PURPOSE // To test the IAudioOp framework, this add-on creates // 'do-nothing' filter nodes. // // * HISTORY // e.moon 8sep99 Begun #ifndef __NullFilterAddOn_H__ #define __NullFilterAddOn_H__ #include // -------------------------------------------------------- // class NullFilterAddOn : public BMediaAddOn { typedef BMediaAddOn _inherited; public: // ctor/dtor // virtual ~NullFilterAddOn(); explicit NullFilterAddOn(image_id image); public: // BMediaAddOn impl virtual status_t InitCheck( const char** out_failure_text); virtual int32 CountFlavors(); virtual status_t GetFlavorAt( int32 n, const flavor_info ** out_info); virtual BMediaNode * InstantiateNodeFor( const flavor_info * info, BMessage * config, status_t * out_error); virtual status_t GetConfigurationFor( BMediaNode * your_node, BMessage * into_message); virtual bool WantsAutoStart() { return false; } virtual status_t AutoStart( int in_count, BMediaNode ** out_node, int32 * out_internal_id, bool * out_has_more) { return B_OK; } }; #endif /*__NullFilterAddOn_H__*/