1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1990-2001 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _MULTIMEDIA_AUDIOLIST_H 28*0Sstevel@tonic-gate #define _MULTIMEDIA_AUDIOLIST_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #include <Audio.h> 33*0Sstevel@tonic-gate 34*0Sstevel@tonic-gate #ifdef __cplusplus 35*0Sstevel@tonic-gate extern "C" { 36*0Sstevel@tonic-gate #endif 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate // This is the 'base' class for a list of extents of audio objects 39*0Sstevel@tonic-gate class AudioList : public Audio { 40*0Sstevel@tonic-gate 41*0Sstevel@tonic-gate // Define a linked list nested class 42*0Sstevel@tonic-gate class AudioListEntry { 43*0Sstevel@tonic-gate private: 44*0Sstevel@tonic-gate void operator=(AudioListEntry); // Assignment is illegal 45*0Sstevel@tonic-gate public: 46*0Sstevel@tonic-gate Audio* aptr; // pointer to audio object 47*0Sstevel@tonic-gate AudioListEntry* next; // pointer to next in list 48*0Sstevel@tonic-gate AudioListEntry* prev; // pointer to previous 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate // Constructor w/obj 51*0Sstevel@tonic-gate AudioListEntry( 52*0Sstevel@tonic-gate Audio* obj); // referenced audio object 53*0Sstevel@tonic-gate ~AudioListEntry(); // Destructor 54*0Sstevel@tonic-gate 55*0Sstevel@tonic-gate void newptr(Audio* newa); // Reset extent 56*0Sstevel@tonic-gate 57*0Sstevel@tonic-gate // Link in new extent 58*0Sstevel@tonic-gate void link( 59*0Sstevel@tonic-gate AudioListEntry* after); // link after this one 60*0Sstevel@tonic-gate 61*0Sstevel@tonic-gate // Split an extent 62*0Sstevel@tonic-gate void split( 63*0Sstevel@tonic-gate Double pos); // split at offset 64*0Sstevel@tonic-gate }; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate private: 67*0Sstevel@tonic-gate AudioListEntry head; // list head 68*0Sstevel@tonic-gate 69*0Sstevel@tonic-gate AudioListEntry* first() const; // Return first extent 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate // Locate extent/offset 72*0Sstevel@tonic-gate virtual Boolean getposition( 73*0Sstevel@tonic-gate Double& pos, // target position (updated) 74*0Sstevel@tonic-gate AudioListEntry*& ep) const; // returned entry pointer 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate AudioList operator=(AudioList); // Assignment is illegal 77*0Sstevel@tonic-gate 78*0Sstevel@tonic-gate public: 79*0Sstevel@tonic-gate AudioList(const char *name = "[list]"); // Constructor 80*0Sstevel@tonic-gate virtual ~AudioList(); // Destructor 81*0Sstevel@tonic-gate 82*0Sstevel@tonic-gate // class Audio methods specialized here 83*0Sstevel@tonic-gate virtual Double GetLength() const; // Get length, in secs 84*0Sstevel@tonic-gate virtual char *GetName() const; // Get name string 85*0Sstevel@tonic-gate virtual AudioHdr GetHeader(); // Get header 86*0Sstevel@tonic-gate virtual AudioHdr GetHeader(Double pos); // Get header at pos 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate // Read from position 89*0Sstevel@tonic-gate virtual AudioError ReadData( 90*0Sstevel@tonic-gate void* buf, // buffer to fill 91*0Sstevel@tonic-gate size_t& len, // buffer length (updated) 92*0Sstevel@tonic-gate Double& pos); // start position (updated) 93*0Sstevel@tonic-gate 94*0Sstevel@tonic-gate // Write is prohibited 95*0Sstevel@tonic-gate virtual AudioError WriteData( 96*0Sstevel@tonic-gate void* buf, // buffer to copy 97*0Sstevel@tonic-gate size_t& len, // buffer length (updated) 98*0Sstevel@tonic-gate Double& pos); // start position (updated) 99*0Sstevel@tonic-gate isList()100*0Sstevel@tonic-gate virtual Boolean isList() const { return (TRUE); } 101*0Sstevel@tonic-gate 102*0Sstevel@tonic-gate // list manipulation methods 103*0Sstevel@tonic-gate // Insert an entry 104*0Sstevel@tonic-gate virtual AudioError Insert( 105*0Sstevel@tonic-gate Audio* obj); // object to insert 106*0Sstevel@tonic-gate 107*0Sstevel@tonic-gate // Insert an entry 108*0Sstevel@tonic-gate virtual AudioError Insert( 109*0Sstevel@tonic-gate Audio* obj, // object to insert 110*0Sstevel@tonic-gate Double pos); // insertion offset, in seconds 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate // Append an entry 113*0Sstevel@tonic-gate virtual AudioError Append( 114*0Sstevel@tonic-gate Audio* obj); // object to append 115*0Sstevel@tonic-gate 116*0Sstevel@tonic-gate // copy to another audio obj. 117*0Sstevel@tonic-gate virtual AudioError AsyncCopy( 118*0Sstevel@tonic-gate Audio* ap, // dest audio object 119*0Sstevel@tonic-gate Double& frompos, 120*0Sstevel@tonic-gate Double& topos, 121*0Sstevel@tonic-gate Double& limit); 122*0Sstevel@tonic-gate }; 123*0Sstevel@tonic-gate 124*0Sstevel@tonic-gate #ifdef __cplusplus 125*0Sstevel@tonic-gate } 126*0Sstevel@tonic-gate #endif 127*0Sstevel@tonic-gate 128*0Sstevel@tonic-gate #endif /* !_MULTIMEDIA_AUDIOLIST_H */ 129