1 | /********** |
2 | This library is free software; you can redistribute it and/or modify it under |
3 | the terms of the GNU Lesser General Public License as published by the |
4 | Free Software Foundation; either version 3 of the License, or (at your |
5 | option) any later version. (See <http://www.gnu.org/copyleft/lesser.html>.) |
6 | |
7 | This library is distributed in the hope that it will be useful, but WITHOUT |
8 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS |
9 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for |
10 | more details. |
11 | |
12 | You should have received a copy of the GNU Lesser General Public License |
13 | along with this library; if not, write to the Free Software Foundation, Inc., |
14 | 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
15 | **********/ |
16 | // "liveMedia" |
17 | // Copyright (c) 1996-2020 Live Networks, Inc. All rights reserved. |
18 | // Media Sources |
19 | // Implementation |
20 | |
21 | #include "MediaSource.hh" |
22 | |
23 | ////////// MediaSource ////////// |
24 | |
25 | MediaSource::MediaSource(UsageEnvironment& env) |
26 | : Medium(env) { |
27 | } |
28 | |
29 | MediaSource::~MediaSource() { |
30 | } |
31 | |
32 | Boolean MediaSource::isSource() const { |
33 | return True; |
34 | } |
35 | |
36 | char const* MediaSource::MIMEtype() const { |
37 | return "application/OCTET-STREAM" ; // default type |
38 | } |
39 | |
40 | Boolean MediaSource::isFramedSource() const { |
41 | return False; // default implementation |
42 | } |
43 | Boolean MediaSource::isRTPSource() const { |
44 | return False; // default implementation |
45 | } |
46 | Boolean MediaSource::isMPEG1or2VideoStreamFramer() const { |
47 | return False; // default implementation |
48 | } |
49 | Boolean MediaSource::isMPEG4VideoStreamFramer() const { |
50 | return False; // default implementation |
51 | } |
52 | Boolean MediaSource::isH264VideoStreamFramer() const { |
53 | return False; // default implementation |
54 | } |
55 | Boolean MediaSource::isH265VideoStreamFramer() const { |
56 | return False; // default implementation |
57 | } |
58 | Boolean MediaSource::isDVVideoStreamFramer() const { |
59 | return False; // default implementation |
60 | } |
61 | Boolean MediaSource::isJPEGVideoSource() const { |
62 | return False; // default implementation |
63 | } |
64 | Boolean MediaSource::isAMRAudioSource() const { |
65 | return False; // default implementation |
66 | } |
67 | Boolean MediaSource::isMPEG2TransportStreamMultiplexor() const { |
68 | return False; // default implementation |
69 | } |
70 | |
71 | Boolean MediaSource::lookupByName(UsageEnvironment& env, |
72 | char const* sourceName, |
73 | MediaSource*& resultSource) { |
74 | resultSource = NULL; // unless we succeed |
75 | |
76 | Medium* medium; |
77 | if (!Medium::lookupByName(env, sourceName, medium)) return False; |
78 | |
79 | if (!medium->isSource()) { |
80 | env.setResultMsg(sourceName, " is not a media source" ); |
81 | return False; |
82 | } |
83 | |
84 | resultSource = (MediaSource*)medium; |
85 | return True; |
86 | } |
87 | |
88 | void MediaSource::getAttributes() const { |
89 | // Default implementation |
90 | envir().setResultMsg("" ); |
91 | } |
92 | |