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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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