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2 | pj | 1 | /* |
2 | * Copyright (c) 1995 The Regents of the University of California. |
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3 | * All rights reserved. |
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4 | * |
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5 | * Permission to use, copy, modify, and distribute this software and its |
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6 | * documentation for any purpose, without fee, and without written agreement is |
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7 | * hereby granted, provided that the above copyright notice and the following |
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8 | * two paragraphs appear in all copies of this software. |
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9 | * |
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10 | * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR |
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11 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT |
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12 | * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF |
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13 | * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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14 | * |
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15 | * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES, |
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16 | * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY |
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17 | * AND FITNESS FOR A PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS |
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18 | * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO |
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19 | * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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20 | |||
21 | contributed by (but no rights held by): |
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22 | |||
23 | Michael J. Donahue |
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24 | National Institute of Standards and Technology |
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25 | Gaithersburg MD USA |
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26 | donahue@ulexite.nist.gov |
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27 | |||
28 | */ |
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29 | |||
30 | /* |
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31 | * Portions of this software Copyright (c) 1995 Brown University. |
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32 | * All rights reserved. |
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33 | * |
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34 | * Permission to use, copy, modify, and distribute this software and its |
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35 | * documentation for any purpose, without fee, and without written agreement |
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36 | * is hereby granted, provided that the above copyright notice and the |
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37 | * following two paragraphs appear in all copies of this software. |
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38 | * |
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39 | * IN NO EVENT SHALL BROWN UNIVERSITY BE LIABLE TO ANY PARTY FOR |
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40 | * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT |
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41 | * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF BROWN |
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42 | * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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43 | * |
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44 | * BROWN UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT |
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45 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A |
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46 | * PARTICULAR PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" |
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47 | * BASIS, AND BROWN UNIVERSITY HAS NO OBLIGATION TO PROVIDE MAINTENANCE, |
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48 | * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS. |
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49 | */ |
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50 | |||
51 | #include <X11/Xlib.h> |
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52 | #include <X11/Xutil.h> |
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53 | |||
54 | /* |
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55 | Changes to make the code reentrant: |
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56 | deglobalize totNumFrames, realTimeStart, seekValue, EOF_flag |
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57 | Additional changes: |
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58 | none |
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59 | -lsh@cs.brown.edu (Loring Holden) |
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60 | */ |
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61 | |||
62 | #define DISPLAY_WINDOW_BORDER 4 |
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63 | |||
64 | /* Control bar display flag */ |
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65 | extern int ControlShow; |
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66 | #define CTRLBAR_OFF 0 |
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67 | #define CTRLBAR_ON 1 |
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68 | #define CTRLBAR_NONE 2 /* No control bar at all */ |
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69 | |||
70 | /* Video play states */ |
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71 | extern int ControlState; |
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72 | #define CTRL_UNDEFINED -1 |
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73 | #define CTRL_PAUSE 0 |
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74 | #define CTRL_PLAY 1 |
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75 | #define CTRL_STEP 2 |
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76 | #define CTRL_EOF 3 |
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77 | #define CTRL_REWIND 4 |
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78 | #define CTRL_FFWD 5 /* Fast Forward (skips frames w/o display) */ |
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79 | #define CTRL_EXIT 6 |
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80 | |||
81 | /* ControlMotion tracks Play/Pause status (for resumption after e.g. Rewind) */ |
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82 | extern int ControlMotion; |
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83 | #define CTRLMOTION_OFF 0 /* Pause */ |
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84 | #define CTRLMOTION_ON 1 /* Play */ |
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85 | |||
86 | /* StopWatch constants */ |
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87 | extern long TotalFrameCount; /* Total number of frames processed, with loops */ |
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88 | #define STOPWATCH_RESET 0 /* Resets timing, returns 0.0. */ |
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89 | #define STOPWATCH_START 1 /* Starts timing, returns 0.0. */ |
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90 | #define STOPWATCH_STOP 2 /* Stops timing, returns elapsed time in secs. */ |
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91 | #define STOPWATCH_READ 3 /* Returns elapsed time in seconds. */ |
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92 | |||
93 | /* Miscellaneous externals */ |
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94 | extern int loopFlag; /* Video loop flag */ |
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95 | extern int startFrame; /* != -1 => skip all frames up to this one */ |
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96 | extern int endFrame; /* Either last frame to display or else frame count, |
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97 | * depending on the value of seekValue. */ |