www.pudn.com > rm52c.rar > output.c

/* 
*********************************************************************** 
* COPYRIGHT AND WARRANTY INFORMATION 
* 
* Copyright 2003, Advanced Audio Video Coding Standard, Part II 
* 
* DISCLAIMER OF WARRANTY 
* 
* These software programs are available to the users without any 
* license fee or royalty on an "as is" basis. The AVS 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 contributors or  
* the AVS be liable for any incidental, punitive, or consequential 
* damages of any kind whatsoever arising from the use of this program. 
* 
* This disclaimer of warranty extends to the user of this program 
* and user's customers, employees, agents, transferees, successors, 
* and assigns. 
* 
* The AVS does not represent or warrant that the program furnished 
* hereunder are free of infringement of any third-party patents. 
* Commercial implementations of AVS, including shareware, may be 
* subject to royalty fees to patent holders. Information regarding 
* the AVS patent policy is available from the AVS Web site at 
* http://www.avs.org.cn 
* 
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY. 
************************************************************************ 
*/ 
 
/* 
************************************************************************************* 
* File name:  output.c 
* Function: Output an image and Trance support 
* 
************************************************************************************* 
*/ 
 
 
#include "contributors.h" 
 
#include "global.h" 
 
#include  
 
/* 
************************************************************************* 
* Function:Write decoded frame to output file 
* Input: 
* Output: 
* Return:  
* Attention: 
************************************************************************* 
*/ 
 
void write_frame( 
  struct img_par *img,  //!< image parameter 
  FILE *p_out)          //!< filestream to output file 
{ 
  int i,j; 
 
  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); 
 
} 
 
/* 
************************************************************************* 
* Function:Write previous decoded P frame to output file 
* Input: 
* Output: 
* Return:  
* Attention: 
************************************************************************* 
*/ 
 
void write_prev_Pframe(struct img_par *img, FILE *p_out) 
{ 
  int i,j; 
  
  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 TRACE 
static int bitcounter = 0; 
 
/* 
************************************************************************* 
* Function:Tracing bitpatterns for symbols 
      A code word has the following format: 0 Xn...0 X2 0 X1 0 X0 1 
* Input: 
* Output: 
* Return:  
* Attention: 
************************************************************************* 
*/ 
 
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 i, chars; 
 
  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++ < 55) 
    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); 
 
} 
 
/* 
************************************************************************* 
* Function:Tracing bitpatterns  
* Input: 
* Output: 
* Return:  
* Attention: 
************************************************************************* 
*/ 
 
 
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; 
 
  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++ < 55) 
    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); 
  } 
 
  fprintf(p_trace, "  (%3d)\n", info); 
 
  fflush (p_trace); 
 
} 
 
/* 
************************************************************************* 
* Function:Tracing bitpatterns for symbols 
* Input: 
* Output: 
* Return:  
* Attention: 
************************************************************************* 
*/ 
 
 
void tracebits3( 
    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 i, chars; 
 
  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++ < 55) 
    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-i-1))) 
      fputc('1', p_trace); 
    else 
      fputc('0', p_trace); 
  } 
   
  fprintf(p_trace, "  (%3d)\n", value1); 
  bitcounter += len; 
 
  fflush (p_trace); 
 
} 
#endif