1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
|
/* $Id: encxvid.c,v 1.10 2005/03/09 23:28:39 titer Exp $
This file is part of the HandBrake source code.
Homepage: <http://handbrake.m0k.org/>.
It may be used under the terms of the GNU General Public License. */
#include "hb.h"
#include "xvid.h"
int encxvidInit( hb_work_object_t *, hb_job_t * );
int encxvidWork( hb_work_object_t *, hb_buffer_t **, hb_buffer_t ** );
void encxvidClose( hb_work_object_t * );
hb_work_object_t hb_encxvid =
{
WORK_ENCXVID,
"MPEG-4 encoder (libxvidcore)",
encxvidInit,
encxvidWork,
encxvidClose
};
struct hb_work_private_s
{
hb_job_t * job;
void * xvid;
char filename[1024];
int quant;
int configDone;
};
int encxvidInit( hb_work_object_t * w, hb_job_t * job )
{
xvid_gbl_init_t xvid_gbl_init;
xvid_enc_create_t create;
xvid_plugin_single_t single;
xvid_plugin_2pass1_t rc2pass1;
xvid_plugin_2pass2_t rc2pass2;
xvid_enc_plugin_t plugins[1];
hb_work_private_t * pv = calloc( 1, sizeof( hb_work_private_t ) );
w->private_data = pv;
pv->job = job;
memset( pv->filename, 0, 1024 );
hb_get_tempory_filename( job->h, pv->filename, "xvid.log" );
memset( &xvid_gbl_init, 0, sizeof( xvid_gbl_init ) );
xvid_gbl_init.version = XVID_VERSION;
xvid_global( NULL, XVID_GBL_INIT, &xvid_gbl_init, NULL );
memset( &create, 0, sizeof( create ) );
create.version = XVID_VERSION;
create.width = job->width;
create.height = job->height;
create.zones = NULL;
create.num_zones = 0;
switch( job->pass )
{
case 0:
memset( &single, 0, sizeof( single ) );
single.version = XVID_VERSION;
if( job->vquality < 0.0 || job->vquality > 1.0 )
{
/* Rate control */
single.bitrate = 1000 * job->vbitrate;
pv->quant = 0;
}
else
{
/* Constant quantizer */
pv->quant = 31 - job->vquality * 30;
hb_log( "encxvid: encoding at constant quantizer %d",
pv->quant );
}
plugins[0].func = xvid_plugin_single;
plugins[0].param = &single;
break;
case 1:
memset( &rc2pass1, 0, sizeof( rc2pass1 ) );
rc2pass1.version = XVID_VERSION;
rc2pass1.filename = pv->filename;
plugins[0].func = xvid_plugin_2pass1;
plugins[0].param = &rc2pass1;
break;
case 2:
memset( &rc2pass2, 0, sizeof( rc2pass2 ) );
rc2pass2.version = XVID_VERSION;
rc2pass2.filename = pv->filename;
rc2pass2.bitrate = 1000 * job->vbitrate;
plugins[0].func = xvid_plugin_2pass2;
plugins[0].param = &rc2pass2;
break;
}
create.plugins = plugins;
create.num_plugins = 1;
create.num_threads = 0;
create.fincr = job->vrate_base;
create.fbase = job->vrate;
create.max_key_interval = 10 * job->vrate / job->vrate_base;
create.max_bframes = 0;
create.bquant_ratio = 150;
create.bquant_offset = 100;
create.frame_drop_ratio = 0;
create.global = 0;
xvid_encore( NULL, XVID_ENC_CREATE, &create, NULL );
pv->xvid = create.handle;
return 0;
}
/***********************************************************************
* Close
***********************************************************************
*
**********************************************************************/
void encxvidClose( hb_work_object_t * w )
{
hb_work_private_t * pv = w->private_data;
if( pv->xvid )
{
hb_log( "encxvid: closing libxvidcore" );
xvid_encore( pv->xvid, XVID_ENC_DESTROY, NULL, NULL);
}
free( pv );
w->private_data = NULL;
}
/***********************************************************************
* Work
***********************************************************************
*
**********************************************************************/
int encxvidWork( hb_work_object_t * w, hb_buffer_t ** buf_in,
hb_buffer_t ** buf_out )
{
hb_work_private_t * pv = w->private_data;
hb_job_t * job = pv->job;
xvid_enc_frame_t frame;
hb_buffer_t * in = *buf_in, * buf;
/* Should be way too large */
buf = hb_buffer_init( 3 * job->width * job->height / 2 );
buf->start = in->start;
buf->stop = in->stop;
memset( &frame, 0, sizeof( frame ) );
frame.version = XVID_VERSION;
frame.bitstream = buf->data;
frame.length = -1;
frame.input.plane[0] = in->data;
frame.input.csp = XVID_CSP_I420;
frame.input.stride[0] = job->width;
frame.vol_flags = 0;
frame.vop_flags = XVID_VOP_HALFPEL | XVID_VOP_INTER4V |
XVID_VOP_TRELLISQUANT | XVID_VOP_HQACPRED;
if( job->pixel_ratio )
{
frame.par = XVID_PAR_EXT;
frame.par_width = job->pixel_aspect_width;
frame.par_height = job->pixel_aspect_height;
}
if( job->grayscale )
{
frame.vop_flags |= XVID_VOP_GREYSCALE;
}
frame.type = XVID_TYPE_AUTO;
frame.quant = pv->quant;
frame.motion = XVID_ME_ADVANCEDDIAMOND16 | XVID_ME_HALFPELREFINE16 |
XVID_ME_EXTSEARCH16 | XVID_ME_ADVANCEDDIAMOND8 |
XVID_ME_HALFPELREFINE8 | XVID_ME_EXTSEARCH8 |
XVID_ME_CHROMA_PVOP | XVID_ME_CHROMA_BVOP;
frame.quant_intra_matrix = NULL;
frame.quant_inter_matrix = NULL;
buf->size = xvid_encore( pv->xvid, XVID_ENC_ENCODE, &frame, NULL );
buf->key = ( frame.out_flags & XVID_KEYFRAME );
if( !pv->configDone )
{
int vol_start, vop_start;
for( vol_start = 0; ; vol_start++ )
{
if( buf->data[vol_start] == 0x0 &&
buf->data[vol_start+1] == 0x0 &&
buf->data[vol_start+2] == 0x1 &&
buf->data[vol_start+3] == 0x20 )
{
break;
}
}
for( vop_start = vol_start + 4; ; vop_start++ )
{
if( buf->data[vop_start] == 0x0 &&
buf->data[vop_start+1] == 0x0 &&
buf->data[vop_start+2] == 0x1 &&
buf->data[vop_start+3] == 0xB6 )
{
break;
}
}
hb_log( "encxvid: VOL size is %d bytes", vop_start - vol_start );
job->config.mpeg4.length = vop_start - vol_start;
memcpy( job->config.mpeg4.bytes, &buf->data[vol_start],
job->config.mpeg4.length );
pv->configDone = 1;
}
*buf_out = buf;
return HB_WORK_OK;
}
|
