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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 | * |
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| 48 | * Original C version by Greg Ward <greg@pet.mni.mcgill.ca>, |
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| 49 | * reentrant C++ version by Loring Holden <lsh@cs.brown.edu> |
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| 50 | * |
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| 51 | */ |
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| 52 | |||
| 53 | #ifndef CPLUSPLUS_MPEG_WRAPPER |
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| 54 | #include <stdio.h> |
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| 55 | #include <errno.h> |
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| 56 | #include <string.h> |
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| 57 | extern "C" { |
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| 58 | #include "video.h" |
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| 59 | } |
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| 60 | #include "ANIMbase.H" |
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| 61 | |||
| 62 | #ifndef __STDC__ |
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| 63 | #define __STDC__ |
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| 64 | #endif |
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| 65 | |||
| 66 | extern "C" { |
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| 67 | #include "proto.h" |
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| 68 | } |
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| 69 | #undef const |
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| 70 | |||
| 71 | extern "C" { |
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| 72 | #include "dither.h" |
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| 73 | #include "mpeg.h" |
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| 74 | } |
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| 75 | #undef const |
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| 76 | |||
| 77 | const int BUF_LENGTH=100000; |
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| 78 | |||
| 79 | class ANIMmpeg : public ANIMbase { |
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| 80 | public: |
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| 81 | ANIMmpeg(const char * const inFileName); //Makes a copy of the filename |
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| 82 | ANIMmpeg(const ANIMmpeg& rhs); //Copy constructor (same |
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| 83 | //movie, but at start) |
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| 84 | virtual void newMovie(const char * const infile); |
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| 85 | virtual Boolean open(); |
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| 86 | virtual void rewind(); |
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| 87 | virtual Boolean GetFrame(char **Frame, Boolean *newFrame); |
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| 88 | virtual ~ANIMmpeg(); |
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| 89 | virtual void InitDither(unsigned long red_mask=0xff, |
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| 90 | unsigned long green_mask=0xff00, |
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| 91 | unsigned long blue_mask=0xff0000); |
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| 92 | |||
| 93 | int BlockHeight; // in Macroblocks |
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| 94 | int BlockWidth; |
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| 95 | int Depth; // image depth (bits) |
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| 96 | int PixelSize; // bits actually stored per pixel |
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| 97 | int BitmapPad; // "quantum" of a scanline -- each scanline |
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| 98 | // starts on an even interval of this |
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| 99 | // many bits |
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| 100 | int PictureRate; // required number of frames/sec [?] |
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| 101 | int BitRate; // ??? |
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| 102 | |||
| 103 | private: |
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| 104 | VidStream *vid_stream; // Pointer to the vid stream itself |
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| 105 | |||
| 106 | void init(); // initialize the object |
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| 107 | static void *RunDecode(void *ptr, void *ptr2); //Does the decoding |
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| 108 | static int numMovies; // Total number of movies so far |
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| 109 | void GetInfo(); |
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| 110 | void InitStream(); |
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| 111 | }; |
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| 112 | |||
| 113 | #define CPLUSPLUS_MPEG_WRAPPER |
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| 114 | #endif |