621 lines
18 KiB
C++
621 lines
18 KiB
C++
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/*
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* Copyright 2012 The WebRTC Project Authors. All rights reserved.
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*
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* Use of this source code is governed by a BSD-style license
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* that can be found in the LICENSE file in the root of the source
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* tree. An additional intellectual property rights grant can be found
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* in the file PATENTS. All contributing project authors may
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* be found in the AUTHORS file in the root of the source tree.
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*/
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#include "webrtc/examples/peerconnection/client/main_wnd.h"
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#include <math.h>
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#include "webrtc/examples/peerconnection/client/defaults.h"
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#include "webrtc/base/arraysize.h"
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#include "webrtc/base/common.h"
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#include "webrtc/base/logging.h"
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ATOM MainWnd::wnd_class_ = 0;
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const wchar_t MainWnd::kClassName[] = L"WebRTC_MainWnd";
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using rtc::sprintfn;
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namespace {
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const char kConnecting[] = "Connecting... ";
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const char kNoVideoStreams[] = "(no video streams either way)";
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const char kNoIncomingStream[] = "(no incoming video)";
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void CalculateWindowSizeForText(HWND wnd, const wchar_t* text,
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size_t* width, size_t* height) {
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HDC dc = ::GetDC(wnd);
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RECT text_rc = {0};
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::DrawText(dc, text, -1, &text_rc, DT_CALCRECT | DT_SINGLELINE);
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::ReleaseDC(wnd, dc);
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RECT client, window;
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::GetClientRect(wnd, &client);
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::GetWindowRect(wnd, &window);
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*width = text_rc.right - text_rc.left;
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*width += (window.right - window.left) -
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(client.right - client.left);
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*height = text_rc.bottom - text_rc.top;
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*height += (window.bottom - window.top) -
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(client.bottom - client.top);
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}
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HFONT GetDefaultFont() {
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static HFONT font = reinterpret_cast<HFONT>(GetStockObject(DEFAULT_GUI_FONT));
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return font;
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}
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std::string GetWindowText(HWND wnd) {
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char text[MAX_PATH] = {0};
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::GetWindowTextA(wnd, &text[0], ARRAYSIZE(text));
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return text;
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}
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void AddListBoxItem(HWND listbox, const std::string& str, LPARAM item_data) {
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LRESULT index = ::SendMessageA(listbox, LB_ADDSTRING, 0,
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reinterpret_cast<LPARAM>(str.c_str()));
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::SendMessageA(listbox, LB_SETITEMDATA, index, item_data);
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}
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} // namespace
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MainWnd::MainWnd(const char* server, int port, bool auto_connect,
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bool auto_call)
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: ui_(CONNECT_TO_SERVER), wnd_(NULL), edit1_(NULL), edit2_(NULL),
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label1_(NULL), label2_(NULL), button_(NULL), listbox_(NULL),
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destroyed_(false), callback_(NULL), nested_msg_(NULL),
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server_(server), auto_connect_(auto_connect), auto_call_(auto_call) {
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char buffer[10] = {0};
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sprintfn(buffer, sizeof(buffer), "%i", port);
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port_ = buffer;
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}
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MainWnd::~MainWnd() {
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ASSERT(!IsWindow());
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}
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bool MainWnd::Create() {
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ASSERT(wnd_ == NULL);
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if (!RegisterWindowClass())
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return false;
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ui_thread_id_ = ::GetCurrentThreadId();
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wnd_ = ::CreateWindowExW(WS_EX_OVERLAPPEDWINDOW, kClassName, L"WebRTC",
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WS_OVERLAPPEDWINDOW | WS_VISIBLE | WS_CLIPCHILDREN,
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CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
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NULL, NULL, GetModuleHandle(NULL), this);
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::SendMessage(wnd_, WM_SETFONT, reinterpret_cast<WPARAM>(GetDefaultFont()),
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TRUE);
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CreateChildWindows();
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SwitchToConnectUI();
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return wnd_ != NULL;
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}
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bool MainWnd::Destroy() {
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BOOL ret = FALSE;
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if (IsWindow()) {
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ret = ::DestroyWindow(wnd_);
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}
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return ret != FALSE;
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}
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void MainWnd::RegisterObserver(MainWndCallback* callback) {
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callback_ = callback;
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}
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bool MainWnd::IsWindow() {
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return wnd_ && ::IsWindow(wnd_) != FALSE;
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}
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bool MainWnd::PreTranslateMessage(MSG* msg) {
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bool ret = false;
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if (msg->message == WM_CHAR) {
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if (msg->wParam == VK_TAB) {
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HandleTabbing();
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ret = true;
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} else if (msg->wParam == VK_RETURN) {
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OnDefaultAction();
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ret = true;
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} else if (msg->wParam == VK_ESCAPE) {
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if (callback_) {
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if (ui_ == STREAMING) {
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callback_->DisconnectFromCurrentPeer();
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} else {
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callback_->DisconnectFromServer();
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}
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}
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}
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} else if (msg->hwnd == NULL && msg->message == UI_THREAD_CALLBACK) {
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callback_->UIThreadCallback(static_cast<int>(msg->wParam),
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reinterpret_cast<void*>(msg->lParam));
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ret = true;
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}
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return ret;
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}
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void MainWnd::SwitchToConnectUI() {
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ASSERT(IsWindow());
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LayoutPeerListUI(false);
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ui_ = CONNECT_TO_SERVER;
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LayoutConnectUI(true);
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::SetFocus(edit1_);
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if (auto_connect_)
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::PostMessage(button_, BM_CLICK, 0, 0);
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}
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void MainWnd::SwitchToPeerList(const Peers& peers) {
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LayoutConnectUI(false);
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::SendMessage(listbox_, LB_RESETCONTENT, 0, 0);
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AddListBoxItem(listbox_, "List of currently connected peers:", -1);
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Peers::const_iterator i = peers.begin();
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for (; i != peers.end(); ++i)
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AddListBoxItem(listbox_, i->second.c_str(), i->first);
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ui_ = LIST_PEERS;
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LayoutPeerListUI(true);
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::SetFocus(listbox_);
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if (auto_call_ && peers.begin() != peers.end()) {
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// Get the number of items in the list
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LRESULT count = ::SendMessage(listbox_, LB_GETCOUNT, 0, 0);
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if (count != LB_ERR) {
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// Select the last item in the list
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LRESULT selection = ::SendMessage(listbox_, LB_SETCURSEL , count - 1, 0);
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if (selection != LB_ERR)
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::PostMessage(wnd_, WM_COMMAND, MAKEWPARAM(GetDlgCtrlID(listbox_),
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LBN_DBLCLK),
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reinterpret_cast<LPARAM>(listbox_));
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}
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}
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}
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void MainWnd::SwitchToStreamingUI() {
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LayoutConnectUI(false);
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LayoutPeerListUI(false);
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ui_ = STREAMING;
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}
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void MainWnd::MessageBox(const char* caption, const char* text, bool is_error) {
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DWORD flags = MB_OK;
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if (is_error)
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flags |= MB_ICONERROR;
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::MessageBoxA(handle(), text, caption, flags);
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}
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void MainWnd::StartLocalRenderer(webrtc::VideoTrackInterface* local_video) {
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local_renderer_.reset(new VideoRenderer(handle(), 1, 1, local_video));
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}
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void MainWnd::StopLocalRenderer() {
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local_renderer_.reset();
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}
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void MainWnd::StartRemoteRenderer(webrtc::VideoTrackInterface* remote_video) {
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remote_renderer_.reset(new VideoRenderer(handle(), 1, 1, remote_video));
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}
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void MainWnd::StopRemoteRenderer() {
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remote_renderer_.reset();
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}
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void MainWnd::QueueUIThreadCallback(int msg_id, void* data) {
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::PostThreadMessage(ui_thread_id_, UI_THREAD_CALLBACK,
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static_cast<WPARAM>(msg_id), reinterpret_cast<LPARAM>(data));
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}
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void MainWnd::OnPaint() {
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PAINTSTRUCT ps;
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::BeginPaint(handle(), &ps);
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RECT rc;
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::GetClientRect(handle(), &rc);
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VideoRenderer* local_renderer = local_renderer_.get();
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VideoRenderer* remote_renderer = remote_renderer_.get();
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if (ui_ == STREAMING && remote_renderer && local_renderer) {
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AutoLock<VideoRenderer> local_lock(local_renderer);
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AutoLock<VideoRenderer> remote_lock(remote_renderer);
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const BITMAPINFO& bmi = remote_renderer->bmi();
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int height = abs(bmi.bmiHeader.biHeight);
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int width = bmi.bmiHeader.biWidth;
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const uint8_t* image = remote_renderer->image();
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if (image != NULL) {
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HDC dc_mem = ::CreateCompatibleDC(ps.hdc);
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::SetStretchBltMode(dc_mem, HALFTONE);
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// Set the map mode so that the ratio will be maintained for us.
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HDC all_dc[] = { ps.hdc, dc_mem };
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for (int i = 0; i < arraysize(all_dc); ++i) {
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SetMapMode(all_dc[i], MM_ISOTROPIC);
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SetWindowExtEx(all_dc[i], width, height, NULL);
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SetViewportExtEx(all_dc[i], rc.right, rc.bottom, NULL);
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}
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HBITMAP bmp_mem = ::CreateCompatibleBitmap(ps.hdc, rc.right, rc.bottom);
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HGDIOBJ bmp_old = ::SelectObject(dc_mem, bmp_mem);
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POINT logical_area = { rc.right, rc.bottom };
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DPtoLP(ps.hdc, &logical_area, 1);
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HBRUSH brush = ::CreateSolidBrush(RGB(0, 0, 0));
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RECT logical_rect = {0, 0, logical_area.x, logical_area.y };
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::FillRect(dc_mem, &logical_rect, brush);
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::DeleteObject(brush);
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int x = (logical_area.x / 2) - (width / 2);
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int y = (logical_area.y / 2) - (height / 2);
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StretchDIBits(dc_mem, x, y, width, height,
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0, 0, width, height, image, &bmi, DIB_RGB_COLORS, SRCCOPY);
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if ((rc.right - rc.left) > 200 && (rc.bottom - rc.top) > 200) {
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const BITMAPINFO& bmi = local_renderer->bmi();
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image = local_renderer->image();
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int thumb_width = bmi.bmiHeader.biWidth / 4;
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int thumb_height = abs(bmi.bmiHeader.biHeight) / 4;
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StretchDIBits(dc_mem,
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logical_area.x - thumb_width - 10,
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logical_area.y - thumb_height - 10,
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thumb_width, thumb_height,
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0, 0, bmi.bmiHeader.biWidth, -bmi.bmiHeader.biHeight,
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image, &bmi, DIB_RGB_COLORS, SRCCOPY);
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}
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BitBlt(ps.hdc, 0, 0, logical_area.x, logical_area.y,
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dc_mem, 0, 0, SRCCOPY);
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// Cleanup.
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::SelectObject(dc_mem, bmp_old);
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::DeleteObject(bmp_mem);
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::DeleteDC(dc_mem);
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} else {
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// We're still waiting for the video stream to be initialized.
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HBRUSH brush = ::CreateSolidBrush(RGB(0, 0, 0));
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::FillRect(ps.hdc, &rc, brush);
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::DeleteObject(brush);
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HGDIOBJ old_font = ::SelectObject(ps.hdc, GetDefaultFont());
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::SetTextColor(ps.hdc, RGB(0xff, 0xff, 0xff));
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::SetBkMode(ps.hdc, TRANSPARENT);
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std::string text(kConnecting);
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if (!local_renderer->image()) {
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text += kNoVideoStreams;
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} else {
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text += kNoIncomingStream;
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}
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::DrawTextA(ps.hdc, text.c_str(), -1, &rc,
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DT_SINGLELINE | DT_CENTER | DT_VCENTER);
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::SelectObject(ps.hdc, old_font);
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}
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} else {
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HBRUSH brush = ::CreateSolidBrush(::GetSysColor(COLOR_WINDOW));
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::FillRect(ps.hdc, &rc, brush);
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::DeleteObject(brush);
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}
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::EndPaint(handle(), &ps);
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}
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void MainWnd::OnDestroyed() {
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PostQuitMessage(0);
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}
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void MainWnd::OnDefaultAction() {
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if (!callback_)
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return;
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if (ui_ == CONNECT_TO_SERVER) {
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std::string server(GetWindowText(edit1_));
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std::string port_str(GetWindowText(edit2_));
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int port = port_str.length() ? atoi(port_str.c_str()) : 0;
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callback_->StartLogin(server, port);
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} else if (ui_ == LIST_PEERS) {
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LRESULT sel = ::SendMessage(listbox_, LB_GETCURSEL, 0, 0);
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if (sel != LB_ERR) {
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LRESULT peer_id = ::SendMessage(listbox_, LB_GETITEMDATA, sel, 0);
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if (peer_id != -1 && callback_) {
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callback_->ConnectToPeer(peer_id);
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}
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}
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} else {
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MessageBoxA(wnd_, "OK!", "Yeah", MB_OK);
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}
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}
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bool MainWnd::OnMessage(UINT msg, WPARAM wp, LPARAM lp, LRESULT* result) {
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switch (msg) {
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case WM_ERASEBKGND:
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*result = TRUE;
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return true;
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case WM_PAINT:
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OnPaint();
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return true;
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case WM_SETFOCUS:
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if (ui_ == CONNECT_TO_SERVER) {
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SetFocus(edit1_);
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} else if (ui_ == LIST_PEERS) {
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SetFocus(listbox_);
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}
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return true;
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case WM_SIZE:
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if (ui_ == CONNECT_TO_SERVER) {
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|
|
LayoutConnectUI(true);
|
||
|
|
} else if (ui_ == LIST_PEERS) {
|
||
|
|
LayoutPeerListUI(true);
|
||
|
|
}
|
||
|
|
break;
|
||
|
|
|
||
|
|
case WM_CTLCOLORSTATIC:
|
||
|
|
*result = reinterpret_cast<LRESULT>(GetSysColorBrush(COLOR_WINDOW));
|
||
|
|
return true;
|
||
|
|
|
||
|
|
case WM_COMMAND:
|
||
|
|
if (button_ == reinterpret_cast<HWND>(lp)) {
|
||
|
|
if (BN_CLICKED == HIWORD(wp))
|
||
|
|
OnDefaultAction();
|
||
|
|
} else if (listbox_ == reinterpret_cast<HWND>(lp)) {
|
||
|
|
if (LBN_DBLCLK == HIWORD(wp)) {
|
||
|
|
OnDefaultAction();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return true;
|
||
|
|
|
||
|
|
case WM_CLOSE:
|
||
|
|
if (callback_)
|
||
|
|
callback_->Close();
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
// static
|
||
|
|
LRESULT CALLBACK MainWnd::WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp) {
|
||
|
|
MainWnd* me = reinterpret_cast<MainWnd*>(
|
||
|
|
::GetWindowLongPtr(hwnd, GWLP_USERDATA));
|
||
|
|
if (!me && WM_CREATE == msg) {
|
||
|
|
CREATESTRUCT* cs = reinterpret_cast<CREATESTRUCT*>(lp);
|
||
|
|
me = reinterpret_cast<MainWnd*>(cs->lpCreateParams);
|
||
|
|
me->wnd_ = hwnd;
|
||
|
|
::SetWindowLongPtr(hwnd, GWLP_USERDATA, reinterpret_cast<LONG_PTR>(me));
|
||
|
|
}
|
||
|
|
|
||
|
|
LRESULT result = 0;
|
||
|
|
if (me) {
|
||
|
|
void* prev_nested_msg = me->nested_msg_;
|
||
|
|
me->nested_msg_ = &msg;
|
||
|
|
|
||
|
|
bool handled = me->OnMessage(msg, wp, lp, &result);
|
||
|
|
if (WM_NCDESTROY == msg) {
|
||
|
|
me->destroyed_ = true;
|
||
|
|
} else if (!handled) {
|
||
|
|
result = ::DefWindowProc(hwnd, msg, wp, lp);
|
||
|
|
}
|
||
|
|
|
||
|
|
if (me->destroyed_ && prev_nested_msg == NULL) {
|
||
|
|
me->OnDestroyed();
|
||
|
|
me->wnd_ = NULL;
|
||
|
|
me->destroyed_ = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
me->nested_msg_ = prev_nested_msg;
|
||
|
|
} else {
|
||
|
|
result = ::DefWindowProc(hwnd, msg, wp, lp);
|
||
|
|
}
|
||
|
|
|
||
|
|
return result;
|
||
|
|
}
|
||
|
|
|
||
|
|
// static
|
||
|
|
bool MainWnd::RegisterWindowClass() {
|
||
|
|
if (wnd_class_)
|
||
|
|
return true;
|
||
|
|
|
||
|
|
WNDCLASSEX wcex = { sizeof(WNDCLASSEX) };
|
||
|
|
wcex.style = CS_DBLCLKS;
|
||
|
|
wcex.hInstance = GetModuleHandle(NULL);
|
||
|
|
wcex.hbrBackground = reinterpret_cast<HBRUSH>(COLOR_WINDOW + 1);
|
||
|
|
wcex.hCursor = ::LoadCursor(NULL, IDC_ARROW);
|
||
|
|
wcex.lpfnWndProc = &WndProc;
|
||
|
|
wcex.lpszClassName = kClassName;
|
||
|
|
wnd_class_ = ::RegisterClassEx(&wcex);
|
||
|
|
ASSERT(wnd_class_ != 0);
|
||
|
|
return wnd_class_ != 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
void MainWnd::CreateChildWindow(HWND* wnd, MainWnd::ChildWindowID id,
|
||
|
|
const wchar_t* class_name, DWORD control_style,
|
||
|
|
DWORD ex_style) {
|
||
|
|
if (::IsWindow(*wnd))
|
||
|
|
return;
|
||
|
|
|
||
|
|
// Child windows are invisible at first, and shown after being resized.
|
||
|
|
DWORD style = WS_CHILD | control_style;
|
||
|
|
*wnd = ::CreateWindowEx(ex_style, class_name, L"", style,
|
||
|
|
100, 100, 100, 100, wnd_,
|
||
|
|
reinterpret_cast<HMENU>(id),
|
||
|
|
GetModuleHandle(NULL), NULL);
|
||
|
|
ASSERT(::IsWindow(*wnd) != FALSE);
|
||
|
|
::SendMessage(*wnd, WM_SETFONT, reinterpret_cast<WPARAM>(GetDefaultFont()),
|
||
|
|
TRUE);
|
||
|
|
}
|
||
|
|
|
||
|
|
void MainWnd::CreateChildWindows() {
|
||
|
|
// Create the child windows in tab order.
|
||
|
|
CreateChildWindow(&label1_, LABEL1_ID, L"Static", ES_CENTER | ES_READONLY, 0);
|
||
|
|
CreateChildWindow(&edit1_, EDIT_ID, L"Edit",
|
||
|
|
ES_LEFT | ES_NOHIDESEL | WS_TABSTOP, WS_EX_CLIENTEDGE);
|
||
|
|
CreateChildWindow(&label2_, LABEL2_ID, L"Static", ES_CENTER | ES_READONLY, 0);
|
||
|
|
CreateChildWindow(&edit2_, EDIT_ID, L"Edit",
|
||
|
|
ES_LEFT | ES_NOHIDESEL | WS_TABSTOP, WS_EX_CLIENTEDGE);
|
||
|
|
CreateChildWindow(&button_, BUTTON_ID, L"Button", BS_CENTER | WS_TABSTOP, 0);
|
||
|
|
|
||
|
|
CreateChildWindow(&listbox_, LISTBOX_ID, L"ListBox",
|
||
|
|
LBS_HASSTRINGS | LBS_NOTIFY, WS_EX_CLIENTEDGE);
|
||
|
|
|
||
|
|
::SetWindowTextA(edit1_, server_.c_str());
|
||
|
|
::SetWindowTextA(edit2_, port_.c_str());
|
||
|
|
}
|
||
|
|
|
||
|
|
void MainWnd::LayoutConnectUI(bool show) {
|
||
|
|
struct Windows {
|
||
|
|
HWND wnd;
|
||
|
|
const wchar_t* text;
|
||
|
|
size_t width;
|
||
|
|
size_t height;
|
||
|
|
} windows[] = {
|
||
|
|
{ label1_, L"Server" },
|
||
|
|
{ edit1_, L"XXXyyyYYYgggXXXyyyYYYggg" },
|
||
|
|
{ label2_, L":" },
|
||
|
|
{ edit2_, L"XyXyX" },
|
||
|
|
{ button_, L"Connect" },
|
||
|
|
};
|
||
|
|
|
||
|
|
if (show) {
|
||
|
|
const size_t kSeparator = 5;
|
||
|
|
size_t total_width = (ARRAYSIZE(windows) - 1) * kSeparator;
|
||
|
|
|
||
|
|
for (size_t i = 0; i < ARRAYSIZE(windows); ++i) {
|
||
|
|
CalculateWindowSizeForText(windows[i].wnd, windows[i].text,
|
||
|
|
&windows[i].width, &windows[i].height);
|
||
|
|
total_width += windows[i].width;
|
||
|
|
}
|
||
|
|
|
||
|
|
RECT rc;
|
||
|
|
::GetClientRect(wnd_, &rc);
|
||
|
|
size_t x = (rc.right / 2) - (total_width / 2);
|
||
|
|
size_t y = rc.bottom / 2;
|
||
|
|
for (size_t i = 0; i < ARRAYSIZE(windows); ++i) {
|
||
|
|
size_t top = y - (windows[i].height / 2);
|
||
|
|
::MoveWindow(windows[i].wnd, static_cast<int>(x), static_cast<int>(top),
|
||
|
|
static_cast<int>(windows[i].width),
|
||
|
|
static_cast<int>(windows[i].height),
|
||
|
|
TRUE);
|
||
|
|
x += kSeparator + windows[i].width;
|
||
|
|
if (windows[i].text[0] != 'X')
|
||
|
|
::SetWindowText(windows[i].wnd, windows[i].text);
|
||
|
|
::ShowWindow(windows[i].wnd, SW_SHOWNA);
|
||
|
|
}
|
||
|
|
} else {
|
||
|
|
for (size_t i = 0; i < ARRAYSIZE(windows); ++i) {
|
||
|
|
::ShowWindow(windows[i].wnd, SW_HIDE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void MainWnd::LayoutPeerListUI(bool show) {
|
||
|
|
if (show) {
|
||
|
|
RECT rc;
|
||
|
|
::GetClientRect(wnd_, &rc);
|
||
|
|
::MoveWindow(listbox_, 0, 0, rc.right, rc.bottom, TRUE);
|
||
|
|
::ShowWindow(listbox_, SW_SHOWNA);
|
||
|
|
} else {
|
||
|
|
::ShowWindow(listbox_, SW_HIDE);
|
||
|
|
InvalidateRect(wnd_, NULL, TRUE);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
void MainWnd::HandleTabbing() {
|
||
|
|
bool shift = ((::GetAsyncKeyState(VK_SHIFT) & 0x8000) != 0);
|
||
|
|
UINT next_cmd = shift ? GW_HWNDPREV : GW_HWNDNEXT;
|
||
|
|
UINT loop_around_cmd = shift ? GW_HWNDLAST : GW_HWNDFIRST;
|
||
|
|
HWND focus = GetFocus(), next;
|
||
|
|
do {
|
||
|
|
next = ::GetWindow(focus, next_cmd);
|
||
|
|
if (IsWindowVisible(next) &&
|
||
|
|
(GetWindowLong(next, GWL_STYLE) & WS_TABSTOP)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!next) {
|
||
|
|
next = ::GetWindow(focus, loop_around_cmd);
|
||
|
|
if (IsWindowVisible(next) &&
|
||
|
|
(GetWindowLong(next, GWL_STYLE) & WS_TABSTOP)) {
|
||
|
|
break;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
focus = next;
|
||
|
|
} while (true);
|
||
|
|
::SetFocus(next);
|
||
|
|
}
|
||
|
|
|
||
|
|
//
|
||
|
|
// MainWnd::VideoRenderer
|
||
|
|
//
|
||
|
|
|
||
|
|
MainWnd::VideoRenderer::VideoRenderer(
|
||
|
|
HWND wnd, int width, int height,
|
||
|
|
webrtc::VideoTrackInterface* track_to_render)
|
||
|
|
: wnd_(wnd), rendered_track_(track_to_render) {
|
||
|
|
::InitializeCriticalSection(&buffer_lock_);
|
||
|
|
ZeroMemory(&bmi_, sizeof(bmi_));
|
||
|
|
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 *
|
||
|
|
(bmi_.bmiHeader.biBitCount >> 3);
|
||
|
|
rendered_track_->AddOrUpdateSink(this, rtc::VideoSinkWants());
|
||
|
|
}
|
||
|
|
|
||
|
|
MainWnd::VideoRenderer::~VideoRenderer() {
|
||
|
|
rendered_track_->RemoveSink(this);
|
||
|
|
::DeleteCriticalSection(&buffer_lock_);
|
||
|
|
}
|
||
|
|
|
||
|
|
void MainWnd::VideoRenderer::SetSize(int width, int height) {
|
||
|
|
AutoLock<VideoRenderer> lock(this);
|
||
|
|
|
||
|
|
if (width == bmi_.bmiHeader.biWidth && height == bmi_.bmiHeader.biHeight) {
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
bmi_.bmiHeader.biWidth = width;
|
||
|
|
bmi_.bmiHeader.biHeight = -height;
|
||
|
|
bmi_.bmiHeader.biSizeImage = width * height *
|
||
|
|
(bmi_.bmiHeader.biBitCount >> 3);
|
||
|
|
image_.reset(new uint8_t[bmi_.bmiHeader.biSizeImage]);
|
||
|
|
}
|
||
|
|
|
||
|
|
void MainWnd::VideoRenderer::OnFrame(
|
||
|
|
const cricket::VideoFrame& video_frame) {
|
||
|
|
|
||
|
|
{
|
||
|
|
AutoLock<VideoRenderer> lock(this);
|
||
|
|
|
||
|
|
const cricket::VideoFrame* frame =
|
||
|
|
video_frame.GetCopyWithRotationApplied();
|
||
|
|
|
||
|
|
SetSize(frame->width(), frame->height());
|
||
|
|
|
||
|
|
ASSERT(image_.get() != NULL);
|
||
|
|
frame->ConvertToRgbBuffer(cricket::FOURCC_ARGB,
|
||
|
|
image_.get(),
|
||
|
|
bmi_.bmiHeader.biSizeImage,
|
||
|
|
bmi_.bmiHeader.biWidth *
|
||
|
|
bmi_.bmiHeader.biBitCount / 8);
|
||
|
|
}
|
||
|
|
InvalidateRect(wnd_, NULL, TRUE);
|
||
|
|
}
|