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1 /* | |
2 * Copyright (c) 2012 The WebRTC project authors. All Rights Reserved. | |
3 * | |
4 * Use of this source code is governed by a BSD-style license | |
5 * that can be found in the LICENSE file in the root of the source | |
6 * tree. An additional intellectual property rights grant can be found | |
7 * in the file PATENTS. All contributing project authors may | |
8 * be found in the AUTHORS file in the root of the source tree. | |
9 */ | |
10 | |
11 #include "webrtc/modules/video_render/linux/video_x11_channel.h" | |
12 #include "webrtc/modules/video_render/linux/video_x11_render.h" | |
13 | |
14 #include "webrtc/system_wrappers/include/critical_section_wrapper.h" | |
15 #include "webrtc/system_wrappers/include/trace.h" | |
16 | |
17 namespace webrtc { | |
18 | |
19 VideoX11Render::VideoX11Render(Window window) : | |
20 _window(window), | |
21 _critSect(*CriticalSectionWrapper::CreateCriticalSection()) | |
22 { | |
23 } | |
24 | |
25 VideoX11Render::~VideoX11Render() | |
26 { | |
27 delete &_critSect; | |
28 } | |
29 | |
30 int32_t VideoX11Render::Init() | |
31 { | |
32 CriticalSectionScoped cs(&_critSect); | |
33 | |
34 _streamIdToX11ChannelMap.clear(); | |
35 | |
36 return 0; | |
37 } | |
38 | |
39 int32_t VideoX11Render::ChangeWindow(Window window) | |
40 { | |
41 CriticalSectionScoped cs(&_critSect); | |
42 VideoX11Channel* renderChannel = NULL; | |
43 | |
44 std::map<int, VideoX11Channel*>::iterator iter = | |
45 _streamIdToX11ChannelMap.begin(); | |
46 | |
47 while (iter != _streamIdToX11ChannelMap.end()) | |
48 { | |
49 renderChannel = iter->second; | |
50 if (renderChannel) | |
51 { | |
52 renderChannel->ChangeWindow(window); | |
53 } | |
54 iter++; | |
55 } | |
56 | |
57 _window = window; | |
58 | |
59 return 0; | |
60 } | |
61 | |
62 VideoX11Channel* VideoX11Render::CreateX11RenderChannel( | |
63 int32_t streamId
, | |
64 int32_t zOrder, | |
65 const float left
, | |
66 const float top, | |
67 const float righ
t, | |
68 const float bott
om) | |
69 { | |
70 CriticalSectionScoped cs(&_critSect); | |
71 VideoX11Channel* renderChannel = NULL; | |
72 | |
73 std::map<int, VideoX11Channel*>::iterator iter = | |
74 _streamIdToX11ChannelMap.find(streamId); | |
75 | |
76 if (iter == _streamIdToX11ChannelMap.end()) | |
77 { | |
78 renderChannel = new VideoX11Channel(streamId); | |
79 if (!renderChannel) | |
80 { | |
81 WEBRTC_TRACE( | |
82 kTraceError, | |
83 kTraceVideoRenderer, | |
84 -1, | |
85 "Failed to create VideoX11Channel for streamId : %d", | |
86 streamId); | |
87 return NULL; | |
88 } | |
89 renderChannel->Init(_window, left, top, right, bottom); | |
90 _streamIdToX11ChannelMap[streamId] = renderChannel; | |
91 } | |
92 else | |
93 { | |
94 WEBRTC_TRACE(kTraceInfo, kTraceVideoRenderer, -1, | |
95 "Render Channel already exists for streamId: %d", streamId)
; | |
96 renderChannel = iter->second; | |
97 } | |
98 | |
99 return renderChannel; | |
100 } | |
101 | |
102 int32_t VideoX11Render::DeleteX11RenderChannel(int32_t streamId) | |
103 { | |
104 CriticalSectionScoped cs(&_critSect); | |
105 | |
106 std::map<int, VideoX11Channel*>::iterator iter = | |
107 _streamIdToX11ChannelMap.find(streamId); | |
108 if (iter != _streamIdToX11ChannelMap.end()) | |
109 { | |
110 VideoX11Channel *renderChannel = iter->second; | |
111 if (renderChannel) | |
112 { | |
113 renderChannel->ReleaseWindow(); | |
114 delete renderChannel; | |
115 renderChannel = NULL; | |
116 } | |
117 _streamIdToX11ChannelMap.erase(iter); | |
118 } | |
119 | |
120 WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, -1, | |
121 "No VideoX11Channel object exists for stream id: %d", | |
122 streamId); | |
123 return -1; | |
124 } | |
125 | |
126 int32_t VideoX11Render::GetIncomingStreamProperties( | |
127 int32_t streamId, | |
128 uint32_t& zOrder, | |
129 float& left, | |
130 float& top, | |
131 float& right, | |
132 float& bottom) | |
133 { | |
134 CriticalSectionScoped cs(&_critSect); | |
135 | |
136 std::map<int, VideoX11Channel*>::iterator iter = | |
137 _streamIdToX11ChannelMap.find(streamId); | |
138 if (iter != _streamIdToX11ChannelMap.end()) | |
139 { | |
140 VideoX11Channel *renderChannel = iter->second; | |
141 if (renderChannel) | |
142 { | |
143 renderChannel->GetStreamProperties(zOrder, left, top, right, bottom)
; | |
144 } | |
145 } | |
146 | |
147 WEBRTC_TRACE(kTraceError, kTraceVideoRenderer, -1, | |
148 "No VideoX11Channel object exists for stream id: %d", | |
149 streamId); | |
150 return -1; | |
151 } | |
152 | |
153 } // namespace webrtc | |
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