www.pudn.com > jm50g.zip > output.c

/* 
*********************************************************************** 
* COPYRIGHT AND WARRANTY INFORMATION 
* 
* Copyright 2001, International Telecommunications Union, Geneva 
* 
* DISCLAIMER OF WARRANTY 
* 
* These software programs are available to the user without any 
* license fee or royalty on an "as is" basis. The ITU disclaims 
* any and all warranties, whether express, implied, or 
* statutory, including any implied warranties of merchantability 
* or of fitness for a particular purpose.  In no event shall the 
* contributor or the ITU be liable for any incidental, punitive, or 
* consequential damages of any kind whatsoever arising from the 
* use of these programs. 
* 
* This disclaimer of warranty extends to the user of these programs 
* and user's customers, employees, agents, transferees, successors, 
* and assigns. 
* 
* The ITU does not represent or warrant that the programs furnished 
* hereunder are free of infringement of any third-party patents. 
* Commercial implementations of ITU-T Recommendations, including 
* shareware, may be subject to royalty fees to patent holders. 
* Information regarding the ITU-T patent policy is available from 
* the ITU Web site at http://www.itu.int. 
* 
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE ITU-T PATENT POLICY. 
************************************************************************ 
*/ 
 
/*! 
 ************************************************************************ 
 * \file output.c 
 * 
 * \brief 
 *    Output an image and Trance support 
 * 
 * \author 
 *    Main contributors (see contributors.h for copyright, address and affiliation details) 
 *    - Inge Lille-Langøy                
 *    - Rickard Sjoberg                  
 ************************************************************************ 
 */ 
 
#include "contributors.h" 
 
#include  
 
#include "global.h" 
 
/*! 
 ************************************************************************ 
 * \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;iheight;i++) 
      for(j=0;jwidth;j++) 
      { 
        fputc(imgY_pf[i][j],p_out); 
      } 
    for(i=0;iheight_cr;i++) 
      for(j=0;jwidth_cr;j++) 
      { 
        fputc(imgUV_pf[0][i][j],p_out); 
      } 
    for(i=0;iheight_cr;i++) 
      for(j=0;jwidth_cr;j++) 
      { 
        fputc(imgUV_pf[1][i][j],p_out); 
      } 
  } 
  else 
  { 
    for(i=0;iheight;i++) 
      for(j=0;jwidth;j++) 
      { 
        fputc(imgY[i][j],p_out); 
      } 
    for(i=0;iheight_cr;i++) 
      for(j=0;jwidth_cr;j++) 
      { 
        fputc(imgUV[0][i][j],p_out); 
      } 
    for(i=0;iheight_cr;i++) 
      for(j=0;jwidth_cr;j++) 
      { 
        fputc(imgUV[1][i][j],p_out); 
      } 
  } 
  fflush(p_out); 
} 
 
/*! 
 ************************************************************************ 
 * \brief 
 *    Write previous decoded P frame to output file 
 ************************************************************************ 
 */ 
void write_prev_Pframe(struct img_par *img, FILE *p_out) 
{ 
  int i,j; 
 
  if (img->structure != FRAME) 
  { 
    img->height *= 2; 
    img->height_cr *= 2; 
  } 
  
  for(i=0;iheight;i++) 
    for(j=0;jwidth;j++) 
      fputc(imgY_prev[i][j],p_out); 
 
  for(i=0;iheight_cr;i++) 
    for(j=0;jwidth_cr;j++) 
      fputc(imgUV_prev[0][i][j],p_out); 
 
  for(i=0;iheight_cr;i++) 
    for(j=0;jwidth_cr;j++) 
      fputc(imgUV_prev[1][i][j],p_out); 
  fflush( p_out  ); 
 
  if (img->structure != FRAME) 
  { 
    img->height /= 2; 
    img->height_cr /= 2; 
  } 
} 
 
 
 
#if TRACE 
 
static int bitcounter = 0; 
 
/*! 
 ************************************************************************ 
 * \brief 
 *    Tracing bitpatterns for symbols 
 *    A code word has the following format: 0 Xn...0 X2 0 X1 0 X0 1 
 ************************************************************************ 
 */ 
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) 
{ 
 
  int i, chars; 
  // int outint = 1; 
 
  if(len>=34) 
  { 
    snprintf(errortext, ET_SIZE, "Length argument to put too long for trace to work"); 
    error (errortext, 600); 
  } 
 
 
  putc('@', p_trace); 
  chars = fprintf(p_trace, "%i", bitcounter); 
  while(chars++ < 6) 
    putc(' ',p_trace); 
  chars += fprintf(p_trace, "%s", trace_str); 
  while(chars++ < 45) 
    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/2-i)-1))) 
        fputc('1', p_trace); 
      else 
        fputc('0', p_trace); 
  } 
 
 
 
  fprintf(p_trace, "  (%3d)\n", value1); 
 
  bitcounter += len; 
  fflush (p_trace); 
 
} 
 
/*! 
 ************************************************************************ 
 * \brief 
 *    Tracing bitpatterns  
 ************************************************************************ 
 */ 
void tracebits2( 
    const char *trace_str,  //!< tracing information, char array describing the symbol 
    int len,                //!< length of syntax element in bits 
    int info) 
{ 
 
  int i, chars; 
  // int outint = 1; 
 
  if(len>=45) 
  { 
    snprintf(errortext, ET_SIZE, "Length argument to put too long for trace to work"); 
    error (errortext, 600); 
  } 
 
 
  putc('@', p_trace); 
  chars = fprintf(p_trace, "%i", bitcounter); 
  while(chars++ < 6) 
    putc(' ',p_trace); 
  chars += fprintf(p_trace, "%s", trace_str); 
  while(chars++ < 45) 
    putc(' ',p_trace); 
 
  // Align bitpattern 
  if(len<15) 
    for(i=0 ; i<15-len ; i++) 
      fputc(' ', p_trace); 
 
 
  bitcounter += len; 
  while (len >= 32) 
  { 
    for(i=0 ; i<8 ; i++) 
    { 
      fputc('0', p_trace); 
    } 
    len -= 8; 
 
  } 
  // Print bitpattern 
  for(i=0 ; i> (len-i-1))) 
      fputc('1', p_trace); 
    else 
      fputc('0', p_trace); 
  } 
 
  fputc('\n', p_trace); 
 
  fflush (p_trace); 
 
} 
 
 
#endif