| 1 | /* |
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| 2 | * ---------------------------------------------------------------------- |
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| 3 | * TkFFMPEG: video |
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| 4 | * |
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| 5 | * These routines support the methods in the "video" class, which is |
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| 6 | * a video stream that can be read from or written to. The class |
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| 7 | * itself is defined in itcl, but when methods are called, execution |
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| 8 | * jumps down to this level. |
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| 9 | * ====================================================================== |
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| 10 | * AUTHOR: Michael McLennan, Purdue University |
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| 11 | * Copyright (c) 2004-2012 HUBzero Foundation, LLC |
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| 12 | * |
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| 13 | * See the file "license.terms" for information on usage and |
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| 14 | * redistribution of this file, and for a DISCLAIMER OF ALL WARRANTIES. |
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| 15 | * ====================================================================== |
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| 16 | */ |
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| 17 | |
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| 18 | #ifdef __cplusplus |
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| 19 | extern "C" { |
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| 20 | #endif |
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| 21 | |
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| 22 | |
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| 23 | typedef struct VideoObjRec VideoObj; |
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| 24 | |
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| 25 | VideoObj *VideoInit (); |
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| 26 | int VideoCleanup (VideoObj *vidPtr); |
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| 27 | int VideoOpenFile (VideoObj *vidPtr, |
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| 28 | const char *fileName, const char *mode); |
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| 29 | int VideoGetImage (VideoObj *vidPtr, |
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| 30 | int width, int height, void **img, int *bufSize); |
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| 31 | int VideoGetPositionCur (VideoObj *vidPtr, int *pos); |
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| 32 | int VideoGetPositionEnd (VideoObj *vidPtr, int *pos); |
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| 33 | int VideoFrameRate (VideoObj *vidPtr, double *fr); |
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| 34 | int VideoFileName (VideoObj *vidPtr, const char **fname); |
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| 35 | int VideoPixelAspectRatio (VideoObj *vidPtr, int *num, int *den); |
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| 36 | int VideoDisplayAspectRatio (VideoObj *vidPtr, int *num, int *den); |
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| 37 | // static int VideoPut (ClientData clientData, |
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| 38 | // Tcl_Interp *interp, int argc, CONST84 char *argv[]); |
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| 39 | int VideoGoNext (VideoObj *vidPtr); |
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| 40 | int VideoGoPlusMinusN (VideoObj *vidPtr, int n); |
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| 41 | int VideoGoToN (VideoObj *vidPtr, int n); |
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| 42 | int VideoSize (VideoObj *vidPtr, int *width, int *height); |
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| 43 | int VideoClose (VideoObj *vidPtr); |
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| 44 | |
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| 45 | #ifdef __cplusplus |
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| 46 | } |
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| 47 | #endif |
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| 48 | |
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