pnmtofiasco.c

linux下将各类格式图片转换工具

/*
 *  cwfa.c:		FIASCO coder
 *
 *  Written by:		Ullrich Hafner
 *		
 *  This file is part of FIASCO (獸籸actal 獻籱age 獳籲d 玈籩quence 獵O籨ec)
 *  Copyright (C) 1994-2000 Ullrich Hafner <[e-mail]>
 */
 
/*
 *  $Date: 2000/10/28 17:39:29 $
 *  $Author: hafner $
 *  $Revision: 5.4 $
 *  $State: Exp $
 */

#include "config.h"
#include "pnm.h"

#if STDC_HEADERS
#	include <stdlib.h>
#	include <string.h>
#else /* not STDC_HEADERS */
#	if HAVE_STRING_H
#		include <string.h>
#	else /* not HAVE_STRING_H */
#		include <strings.h>
#	endif /* not HAVE_STRING_H */
#endif /* not STDC_HEADERS */

#include "types.h"
#include "macros.h"

#include "binerror.h"
#include "misc.h"
#include "params.h"
#include "fiasco.h"

/*****************************************************************************

			     local variables
  
*****************************************************************************/

static param_t params [] =
{
  /*
   *  Options for standard user
   */
  {"image-name", "FILE", 'i', PSTR, {0}, NULL,
   "Compress raw PPM/PGM image(s) `%s'."},
  {"output-name", "FILE", 'o', PSTR, {0}, "-",
   "Write automaton to `%s' (`-' means stdout)."},
  {"quality", "REAL", 'q', PFLOAT, {0}, "20.0",
   "Set quality of compression to `%s'."},
  {"title", "NAME", 't', PSTR, {0}, "",
   "Set title of FIASCO stream to `%s'."},
  {"comment", "NAME", 'c', PSTR, {0}, "",
   "Set comment of FIASCO stream to `%s'."},
  {"chroma-qfactor", "REAL", '\0', PFLOAT, {0}, "2",
   "Decrease chroma band quality `%s' times."},
  {"basis-name", "FILE", '\0', PSTR, {0}, "small.fco",
   "Preload basis `%s' into FIASCO."},
  {"optimize", "NUM", 'z', PINT, {0}, "0",
   "Set optimization level to `%s'."},
  {"dictionary-size", "NUM", '\0', PINT, {0}, "10000",
   "Set max# size of dictionary to `%s'."},
  {"chroma-dictionary", "NUM", '\0', PINT, {0}, "40",
   "Set max# size of chroma dictionary to `%s'.."},
  {"min-level", "NUM", '\0', PINT, {0}, "6",
   "Start prediction on block level `%s'."},
  {"max-level", "NUM", '\0', PINT, {0}, "10",
   "Stop prediction on block level `%s'."},
  {"tiling-exponent", "NUM", '\0', PINT, {0}, "4",
   "Set exponent of image permutation to `%s'."},
  {"tiling-method", "NAME", '\0', PSTR, {0}, "desc-variance",
   "Set type of permutation to `%s'."},
  {"rpf-range", "REAL", '\0', PFLOAT, {0}, "1.5",
   "Set quantization range to `%s'."},
  {"rpf-mantissa", "NUM", '\0', PINT, {0}, "3",
   "Set quantization mantissa to `%s' bits."},
  {"dc-rpf-range", "REAL", '\0', PFLOAT, {0}, "1",
   "Set quant. range (DC part) to `%s'."},
  {"dc-rpf-mantissa", "NUM", '\0', PINT, {0}, "5",
   "Set quant. mantissa (DC part) to `%s' bits."},
  {"pattern", "NAME", '\0', PSTR, {0}, "ippppppppp",
   "Set frame type sequence to `%s'."},
  {"fps", "NUM", '\0', PINT, {0}, "25",
   "Set display rate to `%s' frames per second."},
  {"half-pixel", NULL, '\0', PFLAG, {0}, "FALSE",
   "Use half-pixel precision for mc."},
  {"cross-B-search", NULL, '\0', PFLAG, {0}, "FALSE",
   "Use cross-B-search for interpolated mc."},
  {"B-as-past-ref", NULL, '\0', PFLAG, {0}, "FALSE",
   "Use B-frames as reference images." },
  {"prediction", NULL, '\0', PFLAG, {0}, "FALSE",
   "Use additional predictive coding."},
  {"progress-meter", "NUM", '\0', PINT, {0}, "2",
   "Set type of progress meter to `%s'."},
  {"smooth", "NUM", '\0', PINT, {0}, "70",
   "Smooth image(s) by factor `%s' (0-100)"},
#if 0
  /*
   *  Options currently not activated (maybe in future versions of FIASCO)
   */
  {"min-level", "NUM", 'm', PINT, {0}, "4",
   "Start compression on block level `%s'."},
  {"max-level", "NUM", 'M', PINT, {0}, "12",
   "Stop compression on block level `%s'."},
  {"max-elements", "NUM", 'N', PINT, {0}, "8",
   "Set max# of elements in an approx. to `%s'." },
  {"domain-pool", "NAME", '\0', PSTR, {0}, "rle",
   "Set domain pool of r-lc to `%s'."},
  {"coeff", "NAME", '\0', PSTR, {0}, "adaptive",
   "Set coefficients model to `%s'."},
  /*  DELTA APPROXIATION  */
  {"d-domain-pool", "NAME", '\0', PSTR, {0}, "rle",
   "Set domain pool of d-lc to `%s'."},
  {"d-coeff", "NAME", '\0', PSTR, {0}, "adaptive",
   "Set d coefficients model to `%s'."},
  {"d-range", "REAL", '\0', PFLOAT, {0}, "1.5",
   "Set range of RPF for delta lc to `%s'."},
  {"d-mantissa", "NUM", '\0', PINT, {0}, "3",
   "Set #m-bits of RPF for delta lc to `%s'."},
  {"d-dc-range", "REAL", '\0', PFLOAT, {0}, "1",
   "Set DC range of RPF of delta lc to `%s'."},
  {"d-dc-mantissa", "NUM", '\0', PINT, {0}, "5",
   "Set #m-bits of delta RPF for DC domain to `%s'."},
  /*  ADVANCED  */
  {"images-level", "NUM", '\0', PINT, {0}, "5",
   "Compute state images up to level `%s'."},
  {"delta-domains", NULL, '\0', PFLAG, {0}, "FALSE",
   "Use delta domains every time."},
  {"normal-domains", NULL, '\0', PFLAG, {0}, "FALSE",
   "Use normal domains every time."},
  /*  VIDEO COMPRESSION  */
  {"smooth", "REAL", 's', PFLOAT, {0}, "1.0",
   "Smooth frames by factor `%s' (0.5 - 1.0)"},
  {"reference-frame", "FILE", '\0', PSTR, {0}, NULL,
   "Use PPM/PGM image `%s' as reference frame."},
#endif  
  {NULL, NULL, 0, PSTR, {0}, NULL, NULL }
};

/*****************************************************************************

				prototypes
  
*****************************************************************************/

static void 
checkargs (int argc, char **argv, char const ***image_template,
	   char **wfa_name, float *quality, fiasco_c_options_t **options);

/*****************************************************************************

				public code
  
*****************************************************************************/
 
int 
main (int argc, char **argv)
{
   char const 	      **image_template;	/* template for input image files */
   char	       	       *wfa_name;	/* filename of output WFA */
   float	      	quality;	/* approximation quality */
   fiasco_c_options_t  *options;	/* additional coder options */
   
   pnm_init(&argc, argv);
   
   init_error_handling (argv [0]);

   checkargs (argc, argv, &image_template, &wfa_name, &quality, &options);

   if (fiasco_coder (image_template, wfa_name, quality, options))
      return 0;
   else
   {
      fprintf (stderr, fiasco_get_error_message ());
      fprintf (stderr, "\n");
      return 1;
   }
}

/*****************************************************************************

				private code
  
*****************************************************************************/

static void 
checkargs (int argc, char **argv, char const ***image_template,
	   char **wfa_name, float *quality, fiasco_c_options_t **options)
/*
 *  Check validness of command line parameters and of the parameter files.
 *
 *  Return value:
 *	1 on success
 *	0 otherwise
 *  
 *
 *  Side effects:
 *	'image_template', 'wfa_name', 'quality' and 'options' are set.
 */
{
   int	 optind;			/* last processed commandline param */
   char	*image_name;			/* filename given by option '-i' */
   int	 i;				/* counter */
   
   optind = parseargs (params, argc, argv,
		       "Compress raw PPM/PGM image FILEs to a FIASCO file.",
		       "With no image FILE, or if FILE is -, "
		       "read standard input.\n"
		       "FILE must be either a filename"
		       " or an image template of the form:\n"
		       "`prefix[start-end{+,-}step]suffix'\n"
		       "e.g., img0[12-01-1].pgm is substituted by"
		       " img012.pgm ... img001.pgm\n\n"
		       "Environment:\n"
		       "FIASCO_DATA   Search and save path for FIASCO files. "
		       "Default: ./\n"
		       "FIASCO_IMAGES Search path for image files. "
		       "Default: ./", " [FILE]...",
		       FIASCO_SHARE, "system.fiascorc", ".fiascorc");

   /*
    *  Default options ...
    */
   image_name = (char *) parameter_value (params, "image-name"); 
   *wfa_name  = (char *) parameter_value (params, "output-name");
   for (;;)
   {
      *quality = * (float *) parameter_value (params, "quality");
      if (*quality > 100)
	 fprintf (stderr, "Typical range of quality: (0,100].\n"
		  "Expect some trouble on slow machines.\n");
      if (*quality > 0)
	 break;
      ask_and_set (params, "quality",
		   "Please enter coding quality 'q' ('q' > 0): ");
   }
   
   if (optind < argc)			/* Additional command line param */
   {
      if (image_name)
	 error ("Multiple image_template arguments."
		"\nOption -i %s already specified!", image_name);

      *image_template = calloc (argc - optind + 1, sizeof (char *));
      if (!*image_template)
	 error ("Out of memory.");
      for (i = 0; optind < argc; i++, optind++)
	 (*image_template) [i] = argv [optind];
      (*image_template) [i] = NULL;
   }
   else					/* option -i image_name */
   {
      *image_template = calloc (2, sizeof (char *));
      if (!*image_template)
	 error ("Out of memory.");
      (*image_template) [0] = image_name;
      (*image_template) [1] = NULL;
   }
   /*
    *  Additional options ... (have to be set with the fiasco_set_... methods)
    */
   {
      *options = fiasco_c_options_new ();
      
      {
	 char *pattern = (char *) parameter_value (params, "pattern");

	 if (!fiasco_c_options_set_frame_pattern (*options, pattern))
	    error (fiasco_get_error_message ());
      }

      {
	 char *basis = (char *) parameter_value (params, "basis-name");
	 
	 if (!fiasco_c_options_set_basisfile (*options, basis))
	    error (fiasco_get_error_message ());
      }

      {
	 int   n = * (int *) parameter_value (params, "chroma-dictionary");
	 float q = * (float *) parameter_value (params, "chroma-qfactor");
      
	 if (!fiasco_c_options_set_chroma_quality (*options, q, max (0, n)))
	    error (fiasco_get_error_message ());
      }
      
      {
	 int n = *((int *) parameter_value (params, "smooth"));
	 
	 if (!fiasco_c_options_set_smoothing (*options, max (0, n)))
	    error (fiasco_get_error_message ());
      }
      
      {
          int n = * (int *) parameter_value (params, "progress-meter");
          fiasco_progress_e type = (n < 0) ? 
              FIASCO_PROGRESS_NONE : (fiasco_progress_e) n;
      
          if (!fiasco_c_options_set_progress_meter (*options, type))
              error (fiasco_get_error_message ());
      }
      
      {
	 char *t = (char *) parameter_value (params, "title");
	 
	 if (strlen (t) > 0 && !fiasco_c_options_set_title (*options, t))
	    error (fiasco_get_error_message ());
      }
      
      {
	 char *c = (char *) parameter_value (params, "comment");

	 if (strlen (c) > 0 && !fiasco_c_options_set_comment (*options, c))
	    error (fiasco_get_error_message ());
      }
      
      {
	 fiasco_tiling_e method = FIASCO_TILING_VARIANCE_DSC;
	 int   e  = * (int *) parameter_value (params, "tiling-exponent");
	 char *m  = (char *) parameter_value (params, "tiling-method");

	 if (strcaseeq (m, "desc-variance"))
	    method = FIASCO_TILING_VARIANCE_DSC;
	 else if (strcaseeq (m, "asc-variance"))
	    method = FIASCO_TILING_VARIANCE_ASC;
	 else if (strcaseeq (m, "asc-spiral"))
	    method = FIASCO_TILING_SPIRAL_ASC;
	 else if (strcaseeq (m, "dsc-spiral"))
	    method = FIASCO_TILING_SPIRAL_DSC;
	 else
	    error (_("Invalid tiling method `%s' specified."), m);

	 if (!fiasco_c_options_set_tiling (*options, method, max (0, e)))
	    error (fiasco_get_error_message ());
      }
      
      {
	 int M/*  = * (int *) parameter_value (params, "max-level") */;
	 int m/*  = * (int *) parameter_value (params, "min-level") */;
	 int N/*  = * (int *) parameter_value (params, "max-elements") */;
	 int D = * (int *) parameter_value (params, "dictionary-size");
	 int o = * (int *) parameter_value (params, "optimize");

	 if (o <= 0)
	 {
	    o = 0;
	    M = 10;
	    m = 6;
	    N = 3;
	 }
	 else
	 {
	    o -= 1;
	    M = 12;
	    m = 4;
	    N = 5;
	 }
	 
	 if (!fiasco_c_options_set_optimizations (*options, m, M, N,
						  max (0, D), o))
	    error (fiasco_get_error_message ());
      }
      {
	 int M = * (int *) parameter_value (params, "max-level");
	 int m = * (int *) parameter_value (params, "min-level");
	 int p = * (int *) parameter_value (params, "prediction");
	 
	 if (!fiasco_c_options_set_prediction (*options,
					       p, max (0, m), max (0, M)))
	    error (fiasco_get_error_message ());
      }
      {
	 float r    = * (float *) parameter_value (params, "rpf-range");
	 float dc_r = * (float *) parameter_value (params, "dc-rpf-range");
	 int   m    = * (int *)   parameter_value (params, "rpf-mantissa");
	 int   dc_m = * (int *)   parameter_value (params, "dc-rpf-mantissa");
	 fiasco_rpf_range_e range, dc_range;
	 
	 if (r < 1)
	    range = FIASCO_RPF_RANGE_0_75;
	 else if (r < 1.5)
	    range = FIASCO_RPF_RANGE_1_00;
	 else if (r < 2.0)
	    range = FIASCO_RPF_RANGE_1_50;
	 else
	    range = FIASCO_RPF_RANGE_2_00;
	    
	 if (dc_r < 1)
	    dc_range = FIASCO_RPF_RANGE_0_75;
	 else if (dc_r < 1.5)
	    dc_range = FIASCO_RPF_RANGE_1_00;
	 else if (dc_r < 2.0)
	    dc_range = FIASCO_RPF_RANGE_1_50;
	 else
	    dc_range = FIASCO_RPF_RANGE_2_00;
	    
	 if (!fiasco_c_options_set_quantization (*options,
						 max (0, m), range,
						 max (0, dc_m), dc_range))
	    error (fiasco_get_error_message ());
      }

      if (fiasco_get_verbosity () == FIASCO_ULTIMATE_VERBOSITY)
	 write_parameters (params, stderr);
   }
}