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
|
/*
* Copyright (C) 2000-2002 the xine project
*
* This file is part of xine, a free video player.
*
* xine is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* xine is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA
*
* network buffering control
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <stdlib.h>
#include <unistd.h>
#include "net_buf_ctrl.h"
#define DEFAULT_LOW_WATER_MARK 2
#define DEFAULT_HIGH_WATER_MARK 5
/*
#define LOG
*/
struct nbc_s {
xine_t *xine;
int buffering;
int low_water_mark;
int high_water_mark;
};
void nbc_check_buffers (nbc_t *this) {
int fifo_fill;
fifo_fill = this->xine->video_fifo->size(this->xine->video_fifo);
if (this->xine->audio_fifo) {
fifo_fill += 8*this->xine->audio_fifo->size(this->xine->audio_fifo);
}
#ifdef LOG
if (this->buffering) {
xine_log (this->xine, XINE_LOG_MSG,
"net_buf_ctl: buffering (%d/%d)...\n", fifo_fill, this->high_water_mark);
}
#endif
if (fifo_fill<this->low_water_mark) {
if (!this->buffering) {
this->xine->osd_renderer->filled_rect (this->xine->osd, 0, 0, 299, 99, 0);
this->xine->osd_renderer->render_text (this->xine->osd, 5, 30, _("buffering..."), OSD_TEXT1);
this->xine->osd_renderer->show (this->xine->osd, 0);
/* give video_out time to display osd before pause */
sleep (1);
if (this->high_water_mark<150) {
/* increase marks to adapt to stream/network needs */
this->high_water_mark += 10;
/* this->low_water_mark = this->high_water_mark/4; */
}
}
this->xine->metronom->set_speed (this->xine->metronom, SPEED_PAUSE);
this->xine->metronom->set_option (this->xine->metronom, METRONOM_SCR_ADJUSTABLE, 0);
if (this->xine->audio_out)
this->xine->audio_out->audio_paused = 2;
this->buffering = 1;
} else if ( (fifo_fill>this->high_water_mark) && (this->buffering)) {
this->xine->metronom->set_speed (this->xine->metronom, SPEED_NORMAL);
this->xine->metronom->set_option (this->xine->metronom, METRONOM_SCR_ADJUSTABLE, 1);
if (this->xine->audio_out)
this->xine->audio_out->audio_paused = 0;
this->buffering = 0;
this->xine->osd_renderer->hide (this->xine->osd, 0);
}
}
void nbc_close (nbc_t *this) {
this->xine->metronom->set_option (this->xine->metronom, METRONOM_SCR_ADJUSTABLE, 1);
free (this);
}
nbc_t *nbc_init (xine_t *xine) {
nbc_t *this = (nbc_t *) malloc (sizeof (nbc_t));
this->xine = xine;
this->buffering = 0;
this->low_water_mark = DEFAULT_LOW_WATER_MARK;
this->high_water_mark = DEFAULT_HIGH_WATER_MARK;
return this;
}
|
