1 //
2 // libjingle
3 // Copyright 2004 Google Inc.
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions are met:
7 //
8 // 1. Redistributions of source code must retain the above copyright notice,
9 // this list of conditions and the following disclaimer.
10 // 2. Redistributions in binary form must reproduce the above copyright notice,
11 // this list of conditions and the following disclaimer in the documentation
12 // and/or other materials provided with the distribution.
13 // 3. The name of the author may not be used to endorse or promote products
14 // derived from this software without specific prior written permission.
15 //
16 // THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
17 // WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 // MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
19 // EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
21 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
22 // OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
23 // WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
24 // OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
25 // ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 //
27
28 #include "talk/media/base/mediaengine.h"
29
30 #if !defined(DISABLE_MEDIA_ENGINE_FACTORY)
31
32 #if defined(HAVE_WEBRTC_VOICE) && defined(HAVE_WEBRTC_VIDEO)
33 #include "talk/media/webrtc/webrtcmediaengine.h"
34 #endif // HAVE_WEBRTC_VOICE && HAVE_WEBRTC_VIDEO
35
36 #ifdef HAVE_CONFIG_H
37 #include "config.h"
38 #endif // HAVE_CONFIG
39
40 namespace cricket {
41
42 MediaEngineFactory::MediaEngineCreateFunction
43 MediaEngineFactory::create_function_ = NULL;
44
45 MediaEngineFactory::MediaEngineCreateFunction
SetCreateFunction(MediaEngineCreateFunction function)46 MediaEngineFactory::SetCreateFunction(MediaEngineCreateFunction function) {
47 MediaEngineCreateFunction old_function = create_function_;
48 create_function_ = function;
49 return old_function;
50 }
51
52 // TODO(pthatcher): Remove this method and require all the users of
53 // media engines to choose one explictly, or at least remove the
54 // default behavior and require calling SetCreateFunction explictly.
Create()55 MediaEngineInterface* MediaEngineFactory::Create() {
56 if (create_function_) {
57 return create_function_();
58 }
59 #if defined(HAVE_WEBRTC_VOICE) && defined(HAVE_WEBRTC_VIDEO)
60 return WebRtcMediaEngineFactory::Create();
61 #else
62 return new NullMediaEngine();
63 #endif // HAVE_WEBRTC_VIDEO && HAVE_WEBRTC_VOICE
64 }
65
66 }; // namespace cricket
67
68 #endif // DISABLE_MEDIA_ENGINE_FACTORY
69