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Unified Diff: talk/media/devices/gdivideorenderer.cc

Issue 1587193006: Move talk/media to webrtc/media (Closed) Base URL: https://chromium.googlesource.com/external/webrtc.git@master
Patch Set: Rebased to b647aca12a884a13c1728118586245399b55fa3d (#11493) Created 4 years, 10 months ago
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Index: talk/media/devices/gdivideorenderer.cc
diff --git a/talk/media/devices/gdivideorenderer.cc b/talk/media/devices/gdivideorenderer.cc
deleted file mode 100644
index 69453067e20f8004f765f6991881882a03f0d31c..0000000000000000000000000000000000000000
--- a/talk/media/devices/gdivideorenderer.cc
+++ /dev/null
@@ -1,279 +0,0 @@
-/*
- * libjingle
- * Copyright 2004 Google Inc.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * 1. Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright notice,
- * this list of conditions and the following disclaimer in the documentation
- * and/or other materials provided with the distribution.
- * 3. The name of the author may not be used to endorse or promote products
- * derived from this software without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
- * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
- * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
- * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
- * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
- * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
- * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
- * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
- * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-// Implementation of GdiVideoRenderer on Windows
-
-#ifdef WIN32
-
-#include "talk/media/devices/gdivideorenderer.h"
-
-#include "talk/media/base/videocommon.h"
-#include "talk/media/base/videoframe.h"
-#include "webrtc/base/scoped_ptr.h"
-#include "webrtc/base/thread.h"
-#include "webrtc/base/win32window.h"
-
-namespace cricket {
-
-/////////////////////////////////////////////////////////////////////////////
-// Definition of private class VideoWindow. We use a worker thread to manage
-// the window.
-/////////////////////////////////////////////////////////////////////////////
-class GdiVideoRenderer::VideoWindow : public rtc::Win32Window {
- public:
- VideoWindow(int x, int y, int width, int height);
- virtual ~VideoWindow();
-
- // Called when the video size changes. If it is called the first time, we
- // create and start the thread. Otherwise, we send kSetSizeMsg to the thread.
- // Context: non-worker thread.
- bool SetSize(int width, int height);
-
- // Called when a new frame is available. Upon this call, we send
- // kRenderFrameMsg to the window thread. Context: non-worker thread. It may be
- // better to pass RGB bytes to VideoWindow. However, we pass VideoFrame to put
- // all the thread synchronization within VideoWindow.
- bool RenderFrame(const VideoFrame* frame);
-
- protected:
- // Override virtual method of rtc::Win32Window. Context: worker Thread.
- virtual bool OnMessage(UINT uMsg, WPARAM wParam, LPARAM lParam,
- LRESULT& result);
-
- private:
- enum { kSetSizeMsg = WM_USER, kRenderFrameMsg};
-
- class WindowThread : public rtc::Thread {
- public:
- explicit WindowThread(VideoWindow* window) : window_(window) {}
-
- virtual ~WindowThread() {
- Stop();
- }
-
- // Override virtual method of rtc::Thread. Context: worker Thread.
- virtual void Run() {
- // Initialize the window
- if (!window_ || !window_->Initialize()) {
- return;
- }
- // Run the message loop
- MSG msg;
- while (GetMessage(&msg, NULL, 0, 0) > 0) {
- TranslateMessage(&msg);
- DispatchMessage(&msg);
- }
- }
-
- private:
- VideoWindow* window_;
- };
-
- // Context: worker Thread.
- bool Initialize();
- void OnPaint();
- void OnSize(int width, int height, bool frame_changed);
- void OnRenderFrame(const VideoFrame* frame);
-
- BITMAPINFO bmi_;
- rtc::scoped_ptr<uint8_t[]> image_;
- rtc::scoped_ptr<WindowThread> window_thread_;
- // The initial position of the window.
- int initial_x_;
- int initial_y_;
-};
-
-/////////////////////////////////////////////////////////////////////////////
-// Implementation of class VideoWindow
-/////////////////////////////////////////////////////////////////////////////
-GdiVideoRenderer::VideoWindow::VideoWindow(
- int x, int y, int width, int height)
- : initial_x_(x),
- initial_y_(y) {
- memset(&bmi_.bmiHeader, 0, sizeof(bmi_.bmiHeader));
- bmi_.bmiHeader.biSize = sizeof(BITMAPINFOHEADER);
- bmi_.bmiHeader.biPlanes = 1;
- bmi_.bmiHeader.biBitCount = 32;
- bmi_.bmiHeader.biCompression = BI_RGB;
- bmi_.bmiHeader.biWidth = width;
- bmi_.bmiHeader.biHeight = -height;
- bmi_.bmiHeader.biSizeImage = width * height * 4;
-
- image_.reset(new uint8_t[bmi_.bmiHeader.biSizeImage]);
-}
-
-GdiVideoRenderer::VideoWindow::~VideoWindow() {
- // Context: caller Thread. We cannot call Destroy() since the window was
- // created by another thread. Instead, we send WM_CLOSE message.
- if (handle()) {
- SendMessage(handle(), WM_CLOSE, 0, 0);
- }
-}
-
-bool GdiVideoRenderer::VideoWindow::SetSize(int width, int height) {
- if (!window_thread_.get()) {
- // Create and start the window thread.
- window_thread_.reset(new WindowThread(this));
- return window_thread_->Start();
- } else if (width != bmi_.bmiHeader.biWidth ||
- height != -bmi_.bmiHeader.biHeight) {
- SendMessage(handle(), kSetSizeMsg, 0, MAKELPARAM(width, height));
- }
- return true;
-}
-
-bool GdiVideoRenderer::VideoWindow::RenderFrame(const VideoFrame* video_frame) {
- if (!handle()) {
- return false;
- }
-
- const VideoFrame* frame = video_frame->GetCopyWithRotationApplied();
-
- if (!SetSize(static_cast<int>(frame->GetWidth()),
- static_cast<int>(frame->GetHeight()))) {
- return false;
- }
-
- SendMessage(handle(), kRenderFrameMsg, reinterpret_cast<WPARAM>(frame), 0);
- return true;
-}
-
-bool GdiVideoRenderer::VideoWindow::OnMessage(UINT uMsg, WPARAM wParam,
- LPARAM lParam, LRESULT& result) {
- switch (uMsg) {
- case WM_PAINT:
- OnPaint();
- return true;
-
- case WM_DESTROY:
- PostQuitMessage(0); // post WM_QUIT to end the message loop in Run()
- return false;
-
- case WM_SIZE: // The window UI was resized.
- OnSize(LOWORD(lParam), HIWORD(lParam), false);
- return true;
-
- case kSetSizeMsg: // The video resolution changed.
- OnSize(LOWORD(lParam), HIWORD(lParam), true);
- return true;
-
- case kRenderFrameMsg:
- OnRenderFrame(reinterpret_cast<const VideoFrame*>(wParam));
- return true;
- }
- return false;
-}
-
-bool GdiVideoRenderer::VideoWindow::Initialize() {
- if (!rtc::Win32Window::Create(
- NULL, L"Video Renderer",
- WS_OVERLAPPEDWINDOW | WS_SIZEBOX,
- WS_EX_APPWINDOW,
- initial_x_, initial_y_,
- bmi_.bmiHeader.biWidth, -bmi_.bmiHeader.biHeight)) {
- return false;
- }
- OnSize(bmi_.bmiHeader.biWidth, -bmi_.bmiHeader.biHeight, false);
- return true;
-}
-
-void GdiVideoRenderer::VideoWindow::OnPaint() {
- RECT rcClient;
- GetClientRect(handle(), &rcClient);
- PAINTSTRUCT ps;
- HDC hdc = BeginPaint(handle(), &ps);
- StretchDIBits(hdc,
- 0, 0, rcClient.right, rcClient.bottom, // destination rect
- 0, 0, bmi_.bmiHeader.biWidth, -bmi_.bmiHeader.biHeight, // source rect
- image_.get(), &bmi_, DIB_RGB_COLORS, SRCCOPY);
- EndPaint(handle(), &ps);
-}
-
-void GdiVideoRenderer::VideoWindow::OnSize(int width, int height,
- bool frame_changed) {
- // Get window and client sizes
- RECT rcClient, rcWindow;
- GetClientRect(handle(), &rcClient);
- GetWindowRect(handle(), &rcWindow);
-
- // Find offset between window size and client size
- POINT ptDiff;
- ptDiff.x = (rcWindow.right - rcWindow.left) - rcClient.right;
- ptDiff.y = (rcWindow.bottom - rcWindow.top) - rcClient.bottom;
-
- // Resize client
- MoveWindow(handle(), rcWindow.left, rcWindow.top,
- width + ptDiff.x, height + ptDiff.y, false);
- UpdateWindow(handle());
- ShowWindow(handle(), SW_SHOW);
-
- if (frame_changed && (width != bmi_.bmiHeader.biWidth ||
- height != -bmi_.bmiHeader.biHeight)) {
- // Update the bmi and image buffer
- bmi_.bmiHeader.biWidth = width;
- bmi_.bmiHeader.biHeight = -height;
- bmi_.bmiHeader.biSizeImage = width * height * 4;
- image_.reset(new uint8_t[bmi_.bmiHeader.biSizeImage]);
- }
-}
-
-void GdiVideoRenderer::VideoWindow::OnRenderFrame(const VideoFrame* frame) {
- if (!frame) {
- return;
- }
- // Convert frame to ARGB format, which is accepted by GDI
- frame->ConvertToRgbBuffer(cricket::FOURCC_ARGB, image_.get(),
- bmi_.bmiHeader.biSizeImage,
- bmi_.bmiHeader.biWidth * 4);
- InvalidateRect(handle(), 0, 0);
-}
-
-/////////////////////////////////////////////////////////////////////////////
-// Implementation of class GdiVideoRenderer
-/////////////////////////////////////////////////////////////////////////////
-GdiVideoRenderer::GdiVideoRenderer(int x, int y)
- : initial_x_(x),
- initial_y_(y) {
-}
-GdiVideoRenderer::~GdiVideoRenderer() {}
-
-bool GdiVideoRenderer::SetSize(int width, int height, int reserved) {
- if (!window_.get()) { // Create the window for the first frame
- window_.reset(new VideoWindow(initial_x_, initial_y_, width, height));
- }
- return window_->SetSize(width, height);
-}
-
-bool GdiVideoRenderer::RenderFrame(const VideoFrame* frame) {
- if (!frame || !window_.get()) {
- return false;
- }
- return window_->RenderFrame(frame);
-}
-
-} // namespace cricket
-#endif // WIN32
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