Revert "Omit calls to set composing region when pasting image."
[chromium-blink-merge.git] / media / cast / test / linux_output_window.cc
blob486db98cc5f8f67d07b2d1a9100d3554f720738d
1 // Copyright 2013 The Chromium Authors. All rights reserved.
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
5 #include "media/cast/test/linux_output_window.h"
7 #include <algorithm>
9 #include "base/logging.h"
10 #include "media/base/video_frame.h"
11 #include "third_party/libyuv/include/libyuv/convert.h"
12 #include "ui/gfx/geometry/size.h"
14 namespace media {
15 namespace cast {
16 namespace test {
18 LinuxOutputWindow::LinuxOutputWindow(int x_pos,
19 int y_pos,
20 int width,
21 int height,
22 const std::string& name) {
23 CreateWindow(x_pos, y_pos, width, height, name);
26 LinuxOutputWindow::~LinuxOutputWindow() {
27 if (display_ && window_) {
28 XUnmapWindow(display_, window_);
29 XDestroyWindow(display_, window_);
30 XSync(display_, false);
31 if (gc_)
32 XFreeGC(display_, gc_);
33 XCloseDisplay(display_);
37 void LinuxOutputWindow::CreateWindow(int x_pos,
38 int y_pos,
39 int width,
40 int height,
41 const std::string& name) {
42 display_ = XOpenDisplay(NULL);
43 if (display_ == NULL) {
44 // There's no point to continue if this happens: nothing will work anyway.
45 VLOG(1) << "Failed to connect to X server: X environment likely broken";
46 NOTREACHED();
49 int screen = DefaultScreen(display_);
51 // Try to establish a 24-bit TrueColor display.
52 // (our environment must allow this).
53 XVisualInfo visual_info;
54 if (XMatchVisualInfo(display_, screen, 24, TrueColor, &visual_info) == 0) {
55 VLOG(1) << "Failed to establish 24-bit TrueColor in X environment.";
56 NOTREACHED();
59 // Create suitable window attributes.
60 XSetWindowAttributes window_attributes;
61 window_attributes.colormap = XCreateColormap(
62 display_, DefaultRootWindow(display_), visual_info.visual, AllocNone);
63 window_attributes.event_mask = StructureNotifyMask | ExposureMask;
64 window_attributes.background_pixel = 0;
65 window_attributes.border_pixel = 0;
67 unsigned long attribute_mask =
68 CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
70 window_ = XCreateWindow(display_,
71 DefaultRootWindow(display_),
72 x_pos,
73 y_pos,
74 width,
75 height,
77 visual_info.depth,
78 InputOutput,
79 visual_info.visual,
80 attribute_mask,
81 &window_attributes);
83 // Set window name.
84 XStoreName(display_, window_, name.c_str());
85 XSetIconName(display_, window_, name.c_str());
87 // Make x report events for mask.
88 XSelectInput(display_, window_, StructureNotifyMask);
90 // Map the window to the display.
91 XMapWindow(display_, window_);
93 // Wait for map event.
94 XEvent event;
95 do {
96 XNextEvent(display_, &event);
97 } while (event.type != MapNotify || event.xmap.event != window_);
99 gc_ = XCreateGC(display_, window_, 0, 0);
101 // create shared memory image
102 image_ = XShmCreateImage(
103 display_, CopyFromParent, 24, ZPixmap, NULL, &shminfo_, width, height);
104 shminfo_.shmid = shmget(
105 IPC_PRIVATE, (image_->bytes_per_line * image_->height), IPC_CREAT | 0777);
106 shminfo_.shmaddr = image_->data = (char*)shmat(shminfo_.shmid, 0, 0);
107 if (image_->data == reinterpret_cast<char*>(-1)) {
108 VLOG(1) << "XShmCreateImage failed";
109 NOTREACHED();
111 shminfo_.readOnly = false;
113 // Attach image to display.
114 if (!XShmAttach(display_, &shminfo_)) {
115 VLOG(1) << "XShmAttach failed";
116 NOTREACHED();
118 XSync(display_, false);
121 void LinuxOutputWindow::RenderFrame(
122 const scoped_refptr<media::VideoFrame>& video_frame) {
123 const gfx::Size damage_size(std::min(video_frame->visible_rect().width(),
124 image_->width),
125 std::min(video_frame->visible_rect().height(),
126 image_->height));
128 if (damage_size.width() < image_->width ||
129 damage_size.height() < image_->height)
130 memset(image_->data, 0x00, image_->bytes_per_line * image_->height);
132 if (!damage_size.IsEmpty()) {
133 libyuv::I420ToARGB(video_frame->visible_data(VideoFrame::kYPlane),
134 video_frame->stride(VideoFrame::kYPlane),
135 video_frame->visible_data(VideoFrame::kUPlane),
136 video_frame->stride(VideoFrame::kUPlane),
137 video_frame->visible_data(VideoFrame::kVPlane),
138 video_frame->stride(VideoFrame::kVPlane),
139 reinterpret_cast<uint8_t*>(image_->data),
140 image_->bytes_per_line,
141 damage_size.width(),
142 damage_size.height());
145 // Place image in window.
146 XShmPutImage(display_,
147 window_,
148 gc_,
149 image_,
154 image_->width,
155 image_->height,
156 true);
158 // Very important for the image to update properly!
159 XSync(display_, false);
162 } // namespace test
163 } // namespace cast
164 } // namespace media