LODiplessCrossFadeProvider.h

00001 /*
00002  *
00003  * Copyright (c) 2006, Ben Suffolk <ben@usbdmx.com>
00004  * All rights reserved.
00005  *
00006  * Redistribution and use in source and binary forms, with or without 
00007  * modification, are permitted provided that the following conditions are met:
00008  *
00009  * 1. Redistributions of source code must retain the above copyright notice,
00010  *    this list of conditions and the following disclaimer.
00011  *
00012  * 2. Redistributions in binary form must reproduce the above copyright notice,
00013  *    this list of conditions and the following disclaimer in the documentation
00014  *    and/or other materials provided with the distribution.
00015  *
00016  * 3. Neither the name of the usbdmx.com web site nor the names of its 
00017  *    contributors may be used to endorse or promote products derived from this
00018  *    software without specific prior written permission.
00019  *
00020  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" 
00021  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 
00022  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 
00023  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE 
00024  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 
00025  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 
00026  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 
00027  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 
00028  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 
00029  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
00030  * POSSIBILITY OF SUCH DAMAGE.
00031  *
00032  * $Id: LODiplessCrossFadeProvider.h 217 2009-03-03 11:02:22Z ben.suffolk $
00033  *
00034  */
00035 
00036 #import <Cocoa/Cocoa.h>
00037 #import "LOChannelProvider.h"
00038 #import "LOChannelManager.h"
00039 #import "LOScene.h"
00040 
00041 
00047 typedef enum  {
00048                LODiplessCrossFadeSourceA = 0, 
00049                LODiplessCrossFadeSourceB      
00050               } LODiplessCrossFadeSource;
00051 
00052 
00074 @interface LODiplessCrossFadeProvider : NSObject <LOChannelProvider>
00075 {
00076  LOChannelManager *channelManager; 
00077  LOScene *sourceA; 
00078  LOScene *sourceB; 
00079  LOScene *cachedScene; 
00080  
00081  NSMutableArray *sourceAProviders; 
00082  NSMutableArray *sourceBProviders; 
00083  
00084  unsigned char master; 
00085  
00086  unsigned char fadeDown; 
00087  unsigned char fadeUp; 
00088  
00089  int providerID; 
00090 }
00091 
00092 
00107 - (id)init;
00108 
00109 
00125 - (id)initWithLastChannel:(unsigned)aChannel;
00126 
00127 
00147 - (id)initWithScene:(LOScene *)AScene andScene:(LOScene *)BScene;
00148 
00149 
00169 - (void)setChannel:(unsigned)aChannel toValue:(unsigned char)theValue onSource:(LODiplessCrossFadeSource)theSource;
00170 
00171 
00191 - (void)setScene:(LOScene *)aScene forSource:(LODiplessCrossFadeSource)theSource;
00192 
00193 
00203 - (unsigned char)master;
00204 
00205 
00215 - (void)setMaster:(unsigned char)theMaster;
00216 
00217 
00223 - (unsigned char)crossFader;
00224 
00236 - (unsigned char)crossFade;
00237 
00238 
00249 - (void)setCrossFade:(unsigned char)theCrossFade;
00250 
00251 
00265 - (unsigned char)fadeUp;
00266 
00267 
00281 - (unsigned char)fadeDown;
00282 
00283 
00293 - (void)setFadeUp:(unsigned char)theFade;
00294 
00295 
00305 - (void)setFadeDown:(unsigned char)theFade;
00306 
00307 
00319 - (void)setFadeDown:(unsigned char)theFadeDown andUp:(unsigned char)theFadeUp;
00320 
00321 
00329 - (LOScene *)crossFadeScene;
00330 
00331 
00341 - (void)updateOutputForChannel:(unsigned)aChannel;
00342 
00343 
00350 - (void)updateOutput;
00351 
00352 
00358 - (void)setProviderID:(int)theProviderID;
00359 
00360 @end
00361 
00362 
00363 
00364 
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00373