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revision 1052, Mon Jun 2 11:47:30 2003 UTC revision 1053, Mon Jun 9 01:25:19 2003 UTC
# Line 47  Line 47 
47  #define ARG_BITRATE 900  #define ARG_BITRATE 900
48    
49  int QUALITY =5;  int QUALITY =5;
50  int QUANTI = 0;         // used for fixed-quantizer encoding  int QUANTI = 0;         /* used for fixed-quantizer encoding  */
51    
52  int XDIM=0;  int XDIM=0;
53  int YDIM=0;     // will be set when reading first image  int YDIM=0;     /* will be set when reading first image */
54  int filenr = 0;  int filenr = 0;
55    
56  int save_m4v_flag = 0;          // save MPEG4-bytestream?  int save_m4v_flag = 0;          /* save MPEG4-bytestream? */
57  int save_dec_flag = 0;          // save decompressed bytestream?  int save_dec_flag = 0;          /* save decompressed bytestream? */
58  char filepath[256] = ".";       // path where to save  char filepath[256] = ".";       /* path where to save  */
59    
60  void *enchandle = NULL;         // enchandle is a void*, written by encore  void *enchandle = NULL;         /* enchandle is a void*, written by encore */
61  const long dechandle = 0x0815;  // dechandle is a unique constant!!!  const long dechandle = 0x0815;  /* dechandle is a unique constant!!!  */
62    
63  /*********************************************************************/  /*********************************************************************/
64  /*      Routines for file input/output, nothing specific to XviD     */  /*      Routines for file input/output, nothing specific to XviD     */
# Line 102  Line 102 
102                  fread(buff1_ptr3,XDIM/2,1,stdin);                  fread(buff1_ptr3,XDIM/2,1,stdin);
103                  buff1_ptr3 += XDIM/2;                  buff1_ptr3 += XDIM/2;
104          }          }
105          fread(&dummy,1,1,handle);                               // should be EOF          fread(&dummy,1,1,handle);                               /* should be EOF */
106          return 0;          return 0;
107  }  }
108    
# Line 119  Line 119 
119    
120          enc_param.x_dim = XDIM;          enc_param.x_dim = XDIM;
121          enc_param.y_dim = YDIM;          enc_param.y_dim = YDIM;
122          enc_param.framerate = ARG_FRAMERATE;            // a float          enc_param.framerate = ARG_FRAMERATE;            /* a float */
123          enc_param.bitrate = ARG_BITRATE*1000;          enc_param.bitrate = ARG_BITRATE*1000;
124    
125          enc_param.rc_period = 2000;          enc_param.rc_period = 2000;
# Line 131  Line 131 
131    
132          enc_param.quality = QUALITY;          enc_param.quality = QUALITY;
133    
134          enc_param.use_bidirect = 0;     // use bidirectional coding          enc_param.use_bidirect = 0;     /* use bidirectional coding */
135          enc_param.deinterlace = 0;      // fast deinterlace          enc_param.deinterlace = 0;      /* fast deinterlace */
136          enc_param.obmc = 0;             // flag to enable overlapped block motion compensation mode          enc_param.obmc = 0;             /* flag to enable overlapped block motion compensation mode */
137    
138          enc_param.max_key_interval = (int)ARG_FRAMERATE*10;          enc_param.max_key_interval = (int)ARG_FRAMERATE*10;
139          enc_param.handle = NULL;        //will be filled by encore          enc_param.handle = NULL;        /* will be filled by encore */
140    
141          status = encore(enchandle, ENC_OPT_INIT, &enc_param, NULL);          status = encore(enchandle, ENC_OPT_INIT, &enc_param, NULL);
142          enchandle = enc_param.handle;          enchandle = enc_param.handle;
# Line 165  Line 165 
165    
166          enc_frame.image = (void *) image;          enc_frame.image = (void *) image;
167          enc_frame.bitstream = (void *) bitstream;          enc_frame.bitstream = (void *) bitstream;
168          enc_frame.length = 0;                   // filled by encore          enc_frame.length = 0;                   /* filled by encore */
169          enc_frame.colorspace = ENC_CSP_YV12;    // input is YUV          enc_frame.colorspace = ENC_CSP_YV12;    /* input is YUV */
170          enc_frame.mvs = NULL;           // unsupported          enc_frame.mvs = NULL;           /* unsupported */
171    
172          if (QUANTI==0)          if (QUANTI==0)
173          {          {
# Line 175  Line 175 
175          }          }
176          else          else
177          {       enc_frame.quant = QUANTI;          {       enc_frame.quant = QUANTI;
178                  enc_frame.intra = -1;           // let encoder decide if frame is INTER/INTRA                  enc_frame.intra = -1;           /* let encoder decide if frame is INTER/INTRA */
179                  status = encore(enchandle, ENC_OPT_ENCODE_VBR, &enc_frame, &enc_result);                  status = encore(enchandle, ENC_OPT_ENCODE_VBR, &enc_frame, &enc_result);
180          }          }
181    
# Line 202  Line 202 
202    
203          dec_param.x_dim = XDIM;          dec_param.x_dim = XDIM;
204          dec_param.y_dim = YDIM;          dec_param.y_dim = YDIM;
205          dec_param.output_format = DEC_RGB24;    //   output color format, , see <decore.h>          dec_param.output_format = DEC_RGB24;    /* output color format, , see <decore.h> */
206    
207          dec_param.time_incr = 20;          dec_param.time_incr = 20;
208    
# Line 231  Line 231 
231          dec_frame.length = m4v_size;          dec_frame.length = m4v_size;
232          dec_frame.bitstream = m4v_buffer;          dec_frame.bitstream = m4v_buffer;
233          dec_frame.bmp = rgb_buffer;          dec_frame.bmp = rgb_buffer;
234          dec_frame.render_flag = 1;              // 0 means: skip this frame          dec_frame.render_flag = 1;              /* 0 means: skip this frame */
235          dec_frame.stride = XDIM;          dec_frame.stride = XDIM;
236    
237          status = decore(dechandle, DEC_OPT_FRAME, &dec_frame, &dec_frame_info);          status = decore(dechandle, DEC_OPT_FRAME, &dec_frame, &dec_frame_info);
# Line 279  Line 279 
279  /* now we know the sizes, so allocate memory */  /* now we know the sizes, so allocate memory */
280    yuv_buffer = (unsigned char *) malloc(XDIM*YDIM);    yuv_buffer = (unsigned char *) malloc(XDIM*YDIM);
281    if (!yuv_buffer)    if (!yuv_buffer)
282      goto free_all_memory;       // goto is one of the most underestimated instructions in C !!!      goto free_all_memory;       /* goto is one of the most underestimated instructions in C !!! */
283    divx_buffer = (unsigned char *) malloc(XDIM*YDIM*2);  // this should really be enough!    divx_buffer = (unsigned char *) malloc(XDIM*YDIM*2);  /* this should really be enough! */
284    if (!divx_buffer)    if (!divx_buffer)
285      goto free_all_memory;       // actually, every program should contain a goto      goto free_all_memory;       /* actually, every program should contain a goto  */
286    
287    YDIM = YDIM*2/3; // PGM is YUV 4:2:0 format, so height is *3/2 too much    YDIM = YDIM*2/3; /* PGM is YUV 4:2:0 format, so height is *3/2 too much */
288    
289    rgb_buffer = (unsigned char *) malloc(XDIM*YDIM*4);    rgb_buffer = (unsigned char *) malloc(XDIM*YDIM*4);
290    if (!rgb_buffer)    if (!rgb_buffer)
291      goto free_all_memory;       // the more, the better!      goto free_all_memory;       /* the more, the better! */
292    
293  /*********************************************************************/  /*********************************************************************/
294  /*                         DIVX PART  Start                          */  /*                         DIVX PART  Start                          */
# Line 309  Line 309 
309    
310    do    do
311      {      {
312        status = read_pgmdata(stdin, yuv_buffer); // read PGM data (YUV-format)        status = read_pgmdata(stdin, yuv_buffer); /* read PGM data (YUV-format) */
313        if (status)        if (status)
314          {          {
315            fprintf(stderr, "PGM-Data-Error: %d\n", status);      /* this should not happen */            fprintf(stderr, "PGM-Data-Error: %d\n", status);      /* this should not happen */
# Line 343  Line 343 
343                  filehandle=fopen(filename,"wb");                  filehandle=fopen(filename,"wb");
344                  if (filehandle)                  if (filehandle)
345                  {                  {
346                          fprintf(filehandle,"P6\n");             // rgb24 in PPM format                          fprintf(filehandle,"P6\n");             /* rgb24 in PPM format */
347                          fprintf(filehandle,"%d %d 255\n",XDIM,YDIM);                          fprintf(filehandle,"%d %d 255\n",XDIM,YDIM);
348                          fwrite(rgb_buffer,XDIM,YDIM*3,filehandle);                          fwrite(rgb_buffer,XDIM,YDIM*3,filehandle);
349                          fclose(filehandle);                          fclose(filehandle);
# Line 351  Line 351 
351          }          }
352    
353        filenr++;        filenr++;
354        status = read_pgmheader(stdin);           // if it was the last PGM, stop after it        status = read_pgmheader(stdin);           /* if it was the last PGM, stop after it */
355        if (status)        if (status)
356          {          {
357            fprintf(stderr, "PGM-Header-Error: %d\n", status); /* normally, just end of file */            fprintf(stderr, "PGM-Header-Error: %d\n", status); /* normally, just end of file */
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