[svn] / branches / dev-api-4 / xvidcore / src / plugins / plugin_2pass1.c Repository:
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revision 938, Sun Mar 23 04:03:01 2003 UTC revision 1054, Mon Jun 9 13:55:56 2003 UTC
# Line 3  Line 3 
3   * XviD Bit Rate Controller Library   * XviD Bit Rate Controller Library
4   * - VBR 2 pass bitrate controler implementation -   * - VBR 2 pass bitrate controler implementation -
5   *   *
6   * Copyright (C) 2002 Edouard Gomez <ed.gomez@wanadoo.fr>   *  Copyright (C) 2002-2003 Edouard Gomez <ed.gomez@free.fr>
7   *   *
8   * The curve treatment algorithm is the one implemented by Foxer <email?> and   * The curve treatment algorithm is the one implemented by Foxer <email?> and
9   * Dirk Knop <dknop@gwdg.de> for the XviD vfw dynamic library.   * Dirk Knop <dknop@gwdg.de> for the XviD vfw dynamic library.
# Line 22  Line 22 
22   * along with this program; if not, write to the Free Software   * along with this program; if not, write to the Free Software
23   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
24   *   *
25   * $Id: plugin_2pass1.c,v 1.1.2.1 2003-03-23 04:03:01 suxen_drol Exp $   * $Id: plugin_2pass1.c,v 1.1.2.5 2003-06-09 13:55:07 edgomez Exp $
26   *   *
27   *****************************************************************************/   *****************************************************************************/
28    
# Line 36  Line 36 
36  typedef struct  typedef struct
37  {  {
38          FILE * stat_file;          FILE * stat_file;
39    
40        double fq_error;
41  } rc_2pass1_t;  } rc_2pass1_t;
42    
43    
# Line 63  Line 65 
65          /*          /*
66           * The File Header           * The File Header
67           */           */
68          /* fprintf(rc->stat_file, "# XviD 2pass stat file\n");  #if 0
69            fprintf(rc->stat_file, "# XviD 2pass stat file\n");
70      fprintf(rc->stat_file, "version %i.%i.%i\n",XVID_MAJOR(XVID_VERSION), XVID_MINOR(XVID_VERSION), XVID_PATCH(XVID_VERSION));      fprintf(rc->stat_file, "version %i.%i.%i\n",XVID_MAJOR(XVID_VERSION), XVID_MINOR(XVID_VERSION), XVID_PATCH(XVID_VERSION));
71          fprintf(rc->stat_file, "start\n");          fprintf(rc->stat_file, "start\n");
72      fprintf(rc->stat_file, "type quantizer length kblocks mblocks ublocks\n");  */      fprintf(rc->stat_file, "type quantizer length kblocks mblocks ublocks\n");
73    #endif
74    
75        rc->fq_error = 0;
76    
77      *handle = rc;      *handle = rc;
78          return(0);          return(0);
# Line 75  Line 81 
81    
82  static int rc_2pass1_destroy(rc_2pass1_t * rc, xvid_plg_destroy_t * destroy)  static int rc_2pass1_destroy(rc_2pass1_t * rc, xvid_plg_destroy_t * destroy)
83  {  {
     //fprintf(rc->stat_file, "stop\n");  
84          fclose(rc->stat_file);          fclose(rc->stat_file);
85    
86          free(rc);          free(rc);
# Line 85  Line 90 
90    
91  static int rc_2pass1_before(rc_2pass1_t * rc, xvid_plg_data_t * data)  static int rc_2pass1_before(rc_2pass1_t * rc, xvid_plg_data_t * data)
92  {  {
93         if (data->quant <= 0) {
94            if (data->zone && data->zone->mode == XVID_ZONE_QUANT) {
95                rc->fq_error += (double)data->zone->increment / (double)data->zone->base;
96                data->quant = (int)rc->fq_error;
97                rc->fq_error -= data->quant;
98    
99            }else {
100      data->quant = 2;      data->quant = 2;
101      data->type = XVID_TYPE_AUTO;          }
102        }
103      return 0;      return 0;
104  }  }
105    
# Line 118  Line 131 
131          fprintf(rc->stat_file, "%c %d %d %d %d %d\n",          fprintf(rc->stat_file, "%c %d %d %d %d %d\n",
132          type,          type,
133                  data->quant,                  data->quant,
         data->length,  
134                  data->kblks,                  data->kblks,
135          data->mblks,          data->mblks,
136          data->ublks);          data->ublks,
137            data->length);
138    
139          return(0);          return(0);
140  }  }
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