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
|
/*****************************************************************************
* decoder.c: stats decoder plugin for vlc.
*****************************************************************************
* Copyright (C) 2002-2008 the VideoLAN team
*
* Authors: Samuel Hocevar <sam@zoy.org>
* Pierre d'Herbemont <pdherbemont@videolan.org>
*
* This program 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.
*
* This program 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., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
*****************************************************************************/
/*****************************************************************************
* Preamble
*****************************************************************************/
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <vlc_common.h>
#include <vlc_codec.h>
#include "stats.h"
/*****************************************************************************
* Local prototypes
*****************************************************************************/
static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block );
/*****************************************************************************
* OpenDecoder: Open the decoder
*****************************************************************************/
int OpenDecoder ( vlc_object_t *p_this )
{
decoder_t *p_dec = (decoder_t*)p_this;
msg_Dbg( p_this, "opening stats decoder" );
/* Set callbacks */
p_dec->pf_decode_video = DecodeBlock;
p_dec->pf_decode_audio = NULL;
p_dec->pf_decode_sub = NULL;
/* */
es_format_Init( &p_dec->fmt_out, VIDEO_ES, VLC_CODEC_I420 );
p_dec->fmt_out.video.i_width = 100;
p_dec->fmt_out.video.i_height = 100;
p_dec->fmt_out.video.i_sar_num = 1;
p_dec->fmt_out.video.i_sar_den = 1;
return VLC_SUCCESS;
}
/****************************************************************************
* RunDecoder: the whole thing
****************************************************************************/
static picture_t *DecodeBlock( decoder_t *p_dec, block_t **pp_block )
{
block_t *p_block;
picture_t * p_pic = NULL;
if( !pp_block || !*pp_block ) return NULL;
p_block = *pp_block;
p_pic = decoder_NewPicture( p_dec );
if( p_block->i_buffer == kBufferSize )
{
msg_Dbg( p_dec, "got %"PRIu64" ms",
*(mtime_t *)p_block->p_buffer / 1000 );
msg_Dbg( p_dec, "got %"PRIu64" ms offset",
(mdate() - *(mtime_t *)p_block->p_buffer) / 1000 );
*(mtime_t *)(p_pic->p->p_pixels) = *(mtime_t *)p_block->p_buffer;
}
else
{
msg_Dbg( p_dec, "got a packet not from stats demuxer" );
*(mtime_t *)(p_pic->p->p_pixels) = mdate();
}
p_pic->date = p_block->i_pts > VLC_TS_INVALID ?
p_block->i_pts : p_block->i_dts;
p_pic->b_force = true;
block_Release( p_block );
*pp_block = NULL;
return p_pic;
}
/*****************************************************************************
* CloseDecoder: decoder destruction
*****************************************************************************/
void CloseDecoder ( vlc_object_t *p_this )
{
msg_Dbg( p_this, "closing stats decoder" );
}
|
