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| 2 | pj | 1 | /* |
| 2 | * Copyright (c) 1994 by Gregory P. Ward. |
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| 3 | * All rights reserved. |
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| 4 | * |
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| 5 | * This file is part of the MNI front end of the Berkeley MPEG decoder. |
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| 6 | * |
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| 7 | * Permission to use, copy, modify, and distribute this software and its |
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| 8 | * documentation for any purpose, without fee, and without written agreement is |
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| 9 | * hereby granted, provided that the above copyright notice and the following |
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| 10 | * two paragraphs appear in all copies of this software. |
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| 11 | * |
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| 12 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE TO ANY PARTY FOR DIRECT, |
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| 13 | * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT |
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| 14 | * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE |
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| 15 | * UNIVERSITY OF CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF |
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| 16 | * SUCH DAMAGE. |
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| 17 | * |
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| 18 | * THE AUTHOR SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT |
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| 19 | * NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND |
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| 20 | * FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER |
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| 21 | * IS ON AN "AS IS" BASIS, AND THE AUTHOR HAS NO OBLIGATION TO PROVIDE |
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| 22 | * MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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| 23 | */ |
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| 24 | |||
| 25 | /* |
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| 26 | * Portions of this software Copyright (c) 1995 Brown University. |
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| 27 | * All rights reserved. |
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| 28 | * |
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| 29 | * Permission to use, copy, modify, and distribute this software and its |
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| 30 | * documentation for any purpose, without fee, and without written agreement |
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| 31 | * is hereby granted, provided that the above copyright notice and the |
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| 32 | * following two paragraphs appear in all copies of this software. |
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| 33 | * |
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| 34 | * IN NO EVENT SHALL BROWN UNIVERSITY BE LIABLE TO ANY PARTY FOR DIRECT, |
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| 35 | * INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT |
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| 36 | * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF BROWN |
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| 37 | * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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| 38 | * |
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| 39 | * BROWN UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT |
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| 40 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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| 41 | * PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" |
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| 42 | * BASIS, AND BROWN UNIVERSITY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, |
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| 43 | * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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| 44 | */ |
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| 45 | |||
| 46 | /* |
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| 47 | * This is the abstract base class on which to easily build animation objects |
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| 48 | * for animation objects (MPEG, Quicktime, etc.) |
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| 49 | * |
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| 50 | * Original C version of the MPEG wrapper by Greg Ward <greg@pet.mni.mcgill.ca>, |
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| 51 | * reentrant C++ version by Loring Holden <lsh@cs.brown.edu> |
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| 52 | * |
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| 53 | */ |
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| 54 | |||
| 55 | #ifndef CPLUSPLUS_ANIM_WRAPPER |
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| 56 | #include <stdio.h> |
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| 57 | #include <errno.h> |
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| 58 | #include <string.h> |
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| 59 | //Originally from the MPEG Wrapper by Greg Ward |
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| 60 | #ifndef BOOLEAN_TYPE_EXISTS |
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| 61 | typedef char Boolean; |
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| 62 | #define BOOLEAN_TYPE_EXISTS |
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| 63 | #endif |
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| 64 | |||
| 65 | #if (!defined(TRUE) || !defined(FALSE)) |
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| 66 | # define TRUE (char) 1 |
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| 67 | # define FALSE (char) 0 |
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| 68 | #endif |
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| 69 | |||
| 70 | #ifndef NOTHREADS |
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| 71 | #include "thread_mp.H" |
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| 72 | #endif |
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| 73 | #include "buffer.H" |
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| 74 | |||
| 75 | class ANIMbase { |
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| 76 | public: |
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| 77 | ANIMbase(); |
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| 78 | ANIMbase(const ANIMbase& rhs); //Copy constructor (same |
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| 79 | //animation, but at start) |
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| 80 | virtual void newMovie(const char * const infile) = 0; |
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| 81 | const char * const getName() const {return fileName;}; |
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| 82 | virtual Boolean open() = 0; |
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| 83 | virtual void rewind() = 0; |
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| 84 | virtual Boolean GetFrame(char **Frame, Boolean *newFrame) = 0; |
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| 85 | virtual Boolean OkFile() {return filePtr!=NULL;}; |
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| 86 | virtual void InitDither(unsigned long /*red_mask*/, |
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| 87 | unsigned long /*green_mask*/, |
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| 88 | unsigned long /*blue_mask*/) {}; |
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| 89 | #ifndef NOTHREADS |
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| 90 | virtual void MultiThread(Boolean mt); |
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| 91 | #endif |
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| 92 | virtual void Buffer(Boolean buff, Boolean compress=TRUE); |
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| 93 | virtual ~ANIMbase(); |
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| 94 | |||
| 95 | int Height; // in pixels |
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| 96 | int Width; |
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| 97 | int Size; // bytes for whole image |
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| 98 | int frames; // Frames so far |
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| 99 | |||
| 100 | Boolean moreFrames; // Are there more frames in the movie? |
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| 101 | |||
| 102 | protected: |
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| 103 | int threadNumber; // the number of the thread we're using |
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| 104 | char *fileName; // Name of the animation file |
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| 105 | |||
| 106 | FILE *filePtr; |
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| 107 | Boolean buffering, // Are we buffering frames? |
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| 108 | allBuffered; // We can stop if we have buffered all frames |
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| 109 | BUFFER *frameBuffer; // Buffer object to hold frames |
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| 110 | #ifndef NOTHREADS |
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| 111 | Boolean MultiThreaded; |
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| 112 | static THREADmp_manager *mp_man; |
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| 113 | #endif |
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| 114 | void *(*thread_routine)(void *,void *);//Routine to run when multi-threaded |
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| 115 | private: |
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| 116 | ANIMbase& operator=(const ANIMbase& rhs); |
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| 117 | }; |
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| 118 | |||
| 119 | #define CPLUSPLUS_ANIM_WRAPPER |
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| 120 | #endif |