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

/* 
***************************************************************************** 
* COPYRIGHT AND WARRANTY INFORMATION 
* 
* Copyright 2003, Advanced Audio Video Coding Standard, Part II 
* 
* DISCLAIMER OF WARRANTY 
* 
* The contents of this file are subject to the Mozilla Public License 
* Version 1.1 (the "License"); you may not use this file except in 
* compliance with the License. You may obtain a copy of the License at 
* http://www.mozilla.org/MPL/ 
* 
* Software distributed under the License is distributed on an "AS IS" 
* basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the 
* License for the specific language governing rights and limitations under 
* the License. 
*                      
* THIS IS NOT A GRANT OF PATENT RIGHTS - SEE THE AVS PATENT POLICY. 
* The AVS Working Group doesn't represent or warrant that the programs 
* furnished here under 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 for standardization procedure is available at  
* AVS Web site http://www.avs.org.cn. Patent Licensing is outside 
* of AVS Working Group. 
* 
* The Original Code is Reference Software for China National Standard  
* GB/T 20090.2-2006 (short for AVS-P2 or AVS Video) at version RM52J. 
* 
* The Initial Developer of the Original Code is Video subgroup of AVS 
* Workinggroup (Audio and Video coding Standard Working Group of China). 
* Contributors:   Guoping Li,    Siwei Ma,    Jian Lou,    Qiang Wang ,  
*   Jianwen Chen,Haiwu Zhao,  Xiaozhen Zheng, Junhao Zheng, Zhiming Wang 
*  
****************************************************************************** 
*/ 
 
 
 
/* 
************************************************************************************* 
* 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