blob: 7c146aee80227c859d89046b8221c31822dc2a47 (
plain)
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
|
/*
* dxr3ffmpeg.c
*
* Copyright (C) 2004 Christian Gmeiner
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2.1
* 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 Lesser General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "dxr3ffmpeg.h"
#include "dxr3configdata.h"
#include "dxr3log.h"
// ==================================
//! constructor
cDxr3Ffmepg::cDxr3Ffmepg()
{
avcodec_init();
avcodec_register_all();
}
// ==================================
//! look if Codec is supported by ffmpeg
bool cDxr3Ffmepg::FindCodec(struct Dxr3Codec& Codec)
{
// find codec
Codec.codec = avcodec_find_decoder(Codec.id);
if (!Codec.codec)
{
// codec is't supported by ffmpeg
if (cDxr3ConfigData::Instance().GetDebug())
{
cLog::Instance() << "cDxr3Ffmepg::OpenCodec(struct Dxr3Codec& Codec) codec not found (" << Codec.id << ")\n";
}
return false;
}
// init codec_context
memset(&Codec.codec_context, 0, sizeof(Codec.codec_context));
return true;
}
// ==================================
//! try to open Codec
bool cDxr3Ffmepg::OpenCodec(struct Dxr3Codec& Codec)
{
// try to open codec
int result = avcodec_open(&Codec.codec_context, Codec.codec);
if (result < 0)
{
// we could not open codec
if (cDxr3ConfigData::Instance().GetDebug())
{
cLog::Instance() << "cDxr3Ffmepg::OpenCodec(struct Dxr3Codec& Codec) coudnt open codec (" << Codec.id << ")\n";
}
return false;
}
else
{
Codec.Open = true;
}
return true;
}
// ==================================
//! close codec
void cDxr3Ffmepg::CloseCodec(struct Dxr3Codec& Codec)
{
if (Codec.Open)
{
avcodec_close(&Codec.codec_context);
Codec.Open = false;
}
}
// Local variables:
// mode: c++
// c-file-style: "stroustrup"
// c-file-offsets: ((inline-open . 0))
// indent-tabs-mode: t
// End:
|
