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/*

 * Copyright (c) 1995 The Regents of the University of California.

 * All rights reserved.

 *

 * Permission to use, copy, modify, and distribute this software and its

 * documentation for any purpose, without fee, and without written agreement is

 * hereby granted, provided that the above copyright notice and the following

 * two paragraphs appear in all copies of this software.

 *

 * IN NO EVENT SHALL THE UNIVERSITY OF CALIFORNIA BE LIABLE TO ANY PARTY FOR

 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT

 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF THE UNIVERSITY OF

 * CALIFORNIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * THE UNIVERSITY OF CALIFORNIA SPECIFICALLY DISCLAIMS ANY WARRANTIES,

 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY

 * AND FITNESS FOR A PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS

 * ON AN "AS IS" BASIS, AND THE UNIVERSITY OF CALIFORNIA HAS NO OBLIGATION TO

 * PROVIDE MAINTENANCE, SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 */

/*

 * Portions of this software Copyright (c) 1995 Brown University.

 * All rights reserved.

 *

 * Permission to use, copy, modify, and distribute this software and its

 * documentation for any purpose, without fee, and without written agreement

 * is hereby granted, provided that the above copyright notice and the

 * following two paragraphs appear in all copies of this software.

 *

 * IN NO EVENT SHALL BROWN UNIVERSITY BE LIABLE TO ANY PARTY FOR

 * DIRECT, INDIRECT, SPECIAL, INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT

 * OF THE USE OF THIS SOFTWARE AND ITS DOCUMENTATION, EVEN IF BROWN

 * UNIVERSITY HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.

 *

 * BROWN UNIVERSITY SPECIFICALLY DISCLAIMS ANY WARRANTIES, INCLUDING, BUT NOT

 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A

 * PARTICULAR PURPOSE.  THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS"

 * BASIS, AND BROWN UNIVERSITY HAS NO OBLIGATION TO PROVIDE MAINTENANCE,

 * SUPPORT, UPDATES, ENHANCEMENTS, OR MODIFICATIONS.

 */

#ifdef __STDC__

# define        P(s) s

#include <stdlib.h>     /* used by almost all modules */

#else

# define P(s) ()

#endif

/* util.c */

void correct_underflow P((VidStream *vid_stream ));

int next_bits P((int num , unsigned int mask , VidStream *vid_stream ));

char *get_ext_data P((VidStream *vid_stream ));

int next_start_code P((VidStream *vid_stream));

char *get_extra_bit_info P((VidStream *vid_stream ));

/* video.c */

void init_stats P((void ));

void PrintAllStats P((VidStream *vid_stream ));

double ReadSysClock P((void ));

void PrintTimeInfo P(( VidStream *vid_stream ));

void InitCrop P((void ));

VidStream *NewVidStream P((unsigned int buffer_len ));

#ifndef NOCONTROLS

void ResetVidStream P((VidStream *vid ));

#endif

void DestroyVidStream P((VidStream *astream, XInfo *xinfo ));

PictImage *NewPictImage P(( VidStream *vid_stream, XInfo *xinfo ));

void DestroyPictImage P((PictImage *apictimage, XInfo *xinfo ));

VidStream *mpegVidRsrc P((TimeStamp time_stamp,VidStream *vid_stream, int first , XInfo *xinfo));

void SetBFlag P((BOOLEAN val ));

void SetPFlag P((BOOLEAN val ));

/* parseblock.c */

void ParseReconBlock P((int n, VidStream *vid_stream ));

void ParseAwayBlock P((int n , VidStream *vid_stream ));

/* motionvector.c */

void ComputeForwVector P((int *recon_right_for_ptr , int *recon_down_for_ptr , VidStream *the_stream ));

void ComputeBackVector P((int *recon_right_back_ptr , int *recon_down_back_ptr, VidStream *the_stream ));

/* decoders.c */

void init_tables P((void ));

void decodeDCTDCSizeLum P((unsigned int *value ));

void decodeDCTDCSizeChrom P((unsigned int *value ));

void decodeDCTCoeffFirst P((unsigned int *run , int *level ));

void decodeDCTCoeffNext P((unsigned int *run , int *level ));

/* from main.c or equivalent */

void DoDitherImage P(( VidStream *vid_stream ));

/* gdith.c */

void InitColor P((void ));

/*int HandleXError P((Display *dpy , XErrorEvent *event ));

void InstallXErrorHandler P(( Display *display ));

void DeInstallXErrorHandler P(( Display *display ));*/

void ResizeDisplay P((unsigned int w , unsigned int h, XInfo *xinfo ));

void InitDisplay P((char *name , XInfo *xinfo ));

void InitGrayDisplay P((char *name, XInfo *xinfo ));

void InitGray256Display P((char *name, XInfo *xinfo ));

void InitMonoDisplay P((char *name, XInfo *xinfo ));

void InitColorDisplay P((char *name , XInfo *xinfo ));

#ifndef NOCONTROLS

void ExecuteDisplay P((VidStream *vid_stream , int frame_increment , XInfo *xinfo));

#else

void ExecuteDisplay P((VidStream *vid_stream, XInfo *xinfo ));

#endif

void ExecutePPM P((VidStream *vid_stream ));

#ifdef NO_GETTIMEOFDAY

struct timeval {long tv_sec, tv_usec;}; /* secs and usecs since 1-jan-1970 */

int gettimeofday P((struct timeval * retval, void * unused));

#endif

/* fs2.c */

void InitFS2Dither P((void ));

void FS2DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *disp , int rows , int cols ));

/* fs2fast.c */

void InitFS2FastDither P((void ));

void FS2FastDitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

/* fs4.c */

void InitFS4Dither P((void ));

void FS4DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *disp , int rows , int cols ));

/* hybrid.c */

void InitHybridDither P((void ));

void HybridDitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

/* hybriderr.c */

void InitHybridErrorDither P((void ));

void HybridErrorDitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

/* 2x2.c */

void Init2x2Dither P((void ));

void RandInit P((int h , int w ));

void PostInit2x2Dither P((void ));

void Twox2DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

/* gray.c */

void GrayDitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

void Gray2DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

void Gray16DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

void Gray216DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

void Gray32DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

void Gray232DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

/* mono.c */

void MonoThresholdImage(unsigned char *lum, unsigned char *cr, unsigned char *cb, unsigned char *out, int h, int w);

void MonoDitherImage(unsigned char *lum, unsigned char *cr, unsigned char *cb, unsigned char *out, int h, int w);

/* jrevdct.c */

void init_pre_idct P((void ));

void j_rev_dct_sparse P((DCTBLOCK data , int pos ));

void j_rev_dct P((DCTBLOCK data ));

void j_rev_dct_sparse P((DCTBLOCK data , int pos ));

void j_rev_dct P((DCTBLOCK data ));

/* floatdct.c */

void init_float_idct P((void ));

void float_idct P((short* block ));

/* 16bit.c */

void InitColorDither P((int ));

void Color16DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int rows , int cols ));

void Color32DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int rows , int cols ));

/* 16bit2x2.c */

void Twox2Color16DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int rows , int cols ));

void Twox2Color32DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int rows , int cols ));

/* util32.c */

/*Visual *FindFullColorVisual P((Display *dpy , int *depth ));

void CreateFullColorWindow P(( XInfo *xinfo));*/

/* ordered.c */

void InitOrderedDither P((void ));

void OrderedDitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

/* ordered2.c */

void InitOrdered2Dither P((void ));

void Ordered2DitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w ));

/* mb_ordered.c */

void InitMBOrderedDither P((void ));

void MBOrderedDitherImage P((unsigned char *lum , unsigned char *cr , unsigned char *cb , unsigned char *out , int h , int w, char *ditherFlags ));

void MBOrderedDitherDisplayCopy P((VidStream *vid_stream , int mb_addr , int motion_forw , int r_right_forw , int r_down_forw , int motion_back , int r_right_back , int r_down_back , unsigned char *past , unsigned char *future ));

/* readfile.c */

void SeekStream P((VidStream *vid_stream ));

void clear_data_stream P(( VidStream *vid_stream));

int get_more_data P(( VidStream *vid_stream ));

int pure_get_more_data P((unsigned int *buf_start , int max_length , int *length_ptr , unsigned int **buf_ptr, VidStream *vid_stream ));

int read_sys P(( VidStream *vid_stream, unsigned int start ));

int ReadStartCode P(( unsigned int *startCode, VidStream *vid_stream ));

int ReadPackHeader P((

   double *systemClockTime,

   unsigned long *muxRate,

   VidStream *vid_stream ));

int ReadSystemHeader P(( VidStream *vid_stream ));

int find_start_code P(( FILE *input ));

int ReadPacket P(( unsigned char packetID, VidStream *vid_stream ));

void ReadTimeStamp P((

   unsigned char *inputBuffer,

   unsigned char *hiBit,

   unsigned long *low4Bytes));

void ReadSTD P((

   unsigned char *inputBuffer,

   unsigned char *stdBufferScale,

   unsigned long *stdBufferSize));

void ReadRate P((

   unsigned char *inputBuffer,

   unsigned long *rate));

int MakeFloatClockTime P((

   unsigned char hiBit,

   unsigned long low4Bytes,

   double *floatClockTime));

#ifndef NOCONTROLS

/* ctrlbar.c */

double StopWatch P((int action ));

Bool WindowMapped P((Display *dsp, XEvent *xev, char *window ));

Bool IfEventType P((Display *dsp, XEvent *xev, char *type ));

void MakeControlBar P(( XInfo *xinfo ));

void UpdateFrameTotal P((Display *display));

void UpdateControlDisplay P((Display *display));

void ControlBar P((VidStream **vid_stream, XInfo *xinfo, int numMovies ));

void ControlLoop P((VidStream **theStream, XInfo *xinfo, int numStreams ));

#endif /* !NOCONTROLS */

#undef P