output.c

Mobile IP VCEG的信道模拟程序

/*!
 *	\file
 *			Output.c	  
 *	\brief
 *			Output an image and Trance support
 *	\author
 *			Main contributors (see contributors.h for copyright, address and affiliation details)
 *			Inge Lille-Lang鴜               <[e-mail]>
 *			Rickard Sjoberg                 <[e-mail]>
 */

#include "contributors.h"

#include <stdio.h>
#include <stdlib.h>

#include "global.h"

/*!
 *	\fn		write_frame()
 *	\brief	Write decoded frame to output file
 */

void write_frame(
	struct img_par *img,	/*!< image parameter */
	int postfilter,			/*!< postfilter on (=1) or off (=0) */
	FILE *p_out)			/*!< filestream to output file */
{
  int i,j;

  /*
   * the mmin, mmax macros are taken out, because it makes no sense due to limited range of data type
   */

  if(postfilter)
    {
      for(i=0;i<img->height;i++)
	for(j=0;j<img->width;j++)
	  {
	    //fputc((byte)mmin(MAX_PIX_VAL,mmax(MIN_PIX_VAL,imgY_pf[i][j])),p_out);
	    fputc(imgY_pf[i][j],p_out);
	  }
      for(i=0;i<img->height_cr;i++)
	for(j=0;j<img->width_cr;j++)
	  {
	    //fputc((byte)mmin(MAX_PIX_VAL,mmax(MIN_PIX_VAL,imgUV_pf[0][i][j])),p_out);
	    fputc(imgUV_pf[0][i][j],p_out);
	  }
      for(i=0;i<img->height_cr;i++)
	for(j=0;j<img->width_cr;j++)
	  {
	    //fputc((byte)mmin(MAX_PIX_VAL,mmax(MIN_PIX_VAL,imgUV_pf[1][i][j])),p_out);
	    fputc(imgUV_pf[1][i][j],p_out);
	  }
    }
  else
    {
      for(i=0;i<img->height;i++)
	for(j=0;j<img->width;j++)
	  {
	    //fputc((byte)mmin(MAX_PIX_VAL,mmax(MIN_PIX_VAL,imgY[i][j])),p_out);
	    fputc(imgY[i][j],p_out);
	  }
      for(i=0;i<img->height_cr;i++)
	for(j=0;j<img->width_cr;j++)
	  {
	    //fputc((byte)mmin(MAX_PIX_VAL,mmax(MIN_PIX_VAL,imgUV[0][i][j])),p_out);
	    fputc(imgUV[0][i][j],p_out);
	  }
      for(i=0;i<img->height_cr;i++)
	for(j=0;j<img->width_cr;j++)
	  {
	    //fputc((byte)mmin(MAX_PIX_VAL,mmax(MIN_PIX_VAL,imgUV[1][i][j])),p_out);
	    fputc(imgUV[1][i][j],p_out);
	  }
    }
}




/*!
 *	\fn		tracebits()
 *  \brief	Tracing bitpatterns for symbols
 *			A code word has the following format: 0 Xn...0 X2 0 X1 0 X0 1
 */
#if TRACE
void tracebits(
	const char *trace_str,	/*!< tracing information, char array describing the symbol */
	int len,				/*!< length of syntax element in bits */
	int info,				/*!< infoword of syntax element */
    int value1,
    int value2)
{
	static int bitcounter = 0;

	int i, chars;
	//	int outint = 1;

	if(len>=34)
	{
		printf("Length argument to put too long for trace to work\n");
		exit (0);
	}


	putc('@', p_trace);
	chars = fprintf(p_trace, "%i", bitcounter);
	while(chars++ < 6)
		putc(' ',p_trace);
	chars += fprintf(p_trace, "%s", trace_str);
    //putc(' ',p_trace);chars++;
    //chars += fprintf(p_trace, "%d,%d", value1,value2);
	while(chars++ < 30)
		putc(' ',p_trace);

	/* Align bitpattern */
	if(len<15)
		for(i=0 ; i<15-len ; i++)
			fputc(' ', p_trace);


	/* Print bitpattern */
	for(i=0 ; i<len-1 ; i++)
	{
		if(i%2 == 0)
		{
			fputc('0', p_trace);
		}
		else
		{
			if (0x01 & ( info >> ((len-i)/2-1)))
				fputc('1', p_trace);
			else
				fputc('0', p_trace);
		}
	}

	/* put out the last 1 */
	fprintf(p_trace, "1\n");

	bitcounter += len;
}
#endif