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. |
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 1.1.2.3 2003-05-12 12:33:16 suxen_drol Exp $ |
* $Id: plugin_2pass1.c,v 1.1.2.10 2003-12-17 15:16:16 edgomez Exp $ |
26 |
* |
* |
27 |
*****************************************************************************/ |
*****************************************************************************/ |
28 |
|
|
48 |
rc_2pass1_t * rc; |
rc_2pass1_t * rc; |
49 |
|
|
50 |
/* check filename */ |
/* check filename */ |
51 |
if (param->filename == NULL || param->filename[0] == '\0') |
if ((param->filename == NULL) || |
52 |
|
(param->filename != NULL && param->filename[0] == '\0')) |
53 |
return XVID_ERR_FAIL; |
return XVID_ERR_FAIL; |
54 |
|
|
55 |
/* allocate context struct */ |
/* allocate context struct */ |
60 |
rc->stat_file = NULL; |
rc->stat_file = NULL; |
61 |
|
|
62 |
/* Open the 1st pass file */ |
/* Open the 1st pass file */ |
63 |
if((rc->stat_file = fopen(param->filename, "w+")) == NULL) |
if((rc->stat_file = fopen(param->filename, "w+b")) == NULL) |
64 |
return(XVID_ERR_FAIL); |
return(XVID_ERR_FAIL); |
65 |
|
|
|
{ |
|
|
int i; |
|
|
printf("---\n"); |
|
|
for (i=0;i<create->num_zones;i++) { |
|
|
printf("[%i] %i\n", create->zones[i].frame, create->zones[i].increment); |
|
|
} |
|
|
printf("---\n"); |
|
|
} |
|
|
|
|
66 |
/* |
/* |
67 |
* The File Header |
* The File Header |
68 |
*/ |
*/ |
69 |
/* fprintf(rc->stat_file, "# XviD 2pass stat file\n"); |
fprintf(rc->stat_file, "# XviD 2pass stat file (core version %d.%d.%d)\n", |
70 |
fprintf(rc->stat_file, "version %i.%i.%i\n",XVID_MAJOR(XVID_VERSION), XVID_MINOR(XVID_VERSION), XVID_PATCH(XVID_VERSION)); |
XVID_VERSION_MAJOR(XVID_VERSION), |
71 |
fprintf(rc->stat_file, "start\n"); |
XVID_VERSION_MINOR(XVID_VERSION), |
72 |
fprintf(rc->stat_file, "type quantizer length kblocks mblocks ublocks\n"); */ |
XVID_VERSION_PATCH(XVID_VERSION)); |
73 |
|
fprintf(rc->stat_file, "# Please do not modify this file\n\n"); |
74 |
|
|
75 |
rc->fq_error = 0; |
rc->fq_error = 0; |
76 |
|
|
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 |
{ |
{ |
84 |
fclose(rc->stat_file); |
fclose(rc->stat_file); |
|
|
|
85 |
free(rc); |
free(rc); |
86 |
return(0); |
return(0); |
87 |
} |
} |
94 |
rc->fq_error += (double)data->zone->increment / (double)data->zone->base; |
rc->fq_error += (double)data->zone->increment / (double)data->zone->base; |
95 |
data->quant = (int)rc->fq_error; |
data->quant = (int)rc->fq_error; |
96 |
rc->fq_error -= data->quant; |
rc->fq_error -= data->quant; |
|
|
|
97 |
}else { |
}else { |
98 |
data->quant = 2; |
data->quant = 2; |
99 |
} |
} |
100 |
} |
} |
101 |
return 0; |
return(0); |
102 |
} |
} |
103 |
|
|
104 |
|
|
144 |
switch(opt) |
switch(opt) |
145 |
{ |
{ |
146 |
case XVID_PLG_INFO : |
case XVID_PLG_INFO : |
147 |
|
case XVID_PLG_FRAME : |
148 |
return 0; |
return 0; |
149 |
|
|
150 |
case XVID_PLG_CREATE : |
case XVID_PLG_CREATE : |