rhubarb-lip-sync/lib/webrtc-8d2248ff/webrtc/examples/peerconnection/client/main_wnd.h

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2016-06-21 20:13:05 +00:00
/*
* Copyright 2012 The WebRTC Project Authors. All rights reserved.
*
* Use of this source code is governed by a BSD-style license
* that can be found in the LICENSE file in the root of the source
* tree. An additional intellectual property rights grant can be found
* in the file PATENTS. All contributing project authors may
* be found in the AUTHORS file in the root of the source tree.
*/
#ifndef WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_MAIN_WND_H_
#define WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_MAIN_WND_H_
#pragma once
#include <map>
#include <memory>
#include <string>
#include "webrtc/api/mediastreaminterface.h"
#include "webrtc/base/win32.h"
#include "webrtc/examples/peerconnection/client/peer_connection_client.h"
#include "webrtc/media/base/mediachannel.h"
#include "webrtc/media/base/videocommon.h"
#include "webrtc/media/base/videoframe.h"
class MainWndCallback {
public:
virtual void StartLogin(const std::string& server, int port) = 0;
virtual void DisconnectFromServer() = 0;
virtual void ConnectToPeer(int peer_id) = 0;
virtual void DisconnectFromCurrentPeer() = 0;
virtual void UIThreadCallback(int msg_id, void* data) = 0;
virtual void Close() = 0;
protected:
virtual ~MainWndCallback() {}
};
// Pure virtual interface for the main window.
class MainWindow {
public:
virtual ~MainWindow() {}
enum UI {
CONNECT_TO_SERVER,
LIST_PEERS,
STREAMING,
};
virtual void RegisterObserver(MainWndCallback* callback) = 0;
virtual bool IsWindow() = 0;
virtual void MessageBox(const char* caption, const char* text,
bool is_error) = 0;
virtual UI current_ui() = 0;
virtual void SwitchToConnectUI() = 0;
virtual void SwitchToPeerList(const Peers& peers) = 0;
virtual void SwitchToStreamingUI() = 0;
virtual void StartLocalRenderer(webrtc::VideoTrackInterface* local_video) = 0;
virtual void StopLocalRenderer() = 0;
virtual void StartRemoteRenderer(
webrtc::VideoTrackInterface* remote_video) = 0;
virtual void StopRemoteRenderer() = 0;
virtual void QueueUIThreadCallback(int msg_id, void* data) = 0;
};
#ifdef WIN32
class MainWnd : public MainWindow {
public:
static const wchar_t kClassName[];
enum WindowMessages {
UI_THREAD_CALLBACK = WM_APP + 1,
};
MainWnd(const char* server, int port, bool auto_connect, bool auto_call);
~MainWnd();
bool Create();
bool Destroy();
bool PreTranslateMessage(MSG* msg);
virtual void RegisterObserver(MainWndCallback* callback);
virtual bool IsWindow();
virtual void SwitchToConnectUI();
virtual void SwitchToPeerList(const Peers& peers);
virtual void SwitchToStreamingUI();
virtual void MessageBox(const char* caption, const char* text,
bool is_error);
virtual UI current_ui() { return ui_; }
virtual void StartLocalRenderer(webrtc::VideoTrackInterface* local_video);
virtual void StopLocalRenderer();
virtual void StartRemoteRenderer(webrtc::VideoTrackInterface* remote_video);
virtual void StopRemoteRenderer();
virtual void QueueUIThreadCallback(int msg_id, void* data);
HWND handle() const { return wnd_; }
class VideoRenderer : public rtc::VideoSinkInterface<cricket::VideoFrame> {
public:
VideoRenderer(HWND wnd, int width, int height,
webrtc::VideoTrackInterface* track_to_render);
virtual ~VideoRenderer();
void Lock() {
::EnterCriticalSection(&buffer_lock_);
}
void Unlock() {
::LeaveCriticalSection(&buffer_lock_);
}
// VideoSinkInterface implementation
void OnFrame(const cricket::VideoFrame& frame) override;
const BITMAPINFO& bmi() const { return bmi_; }
const uint8_t* image() const { return image_.get(); }
protected:
void SetSize(int width, int height);
enum {
SET_SIZE,
RENDER_FRAME,
};
HWND wnd_;
BITMAPINFO bmi_;
std::unique_ptr<uint8_t[]> image_;
CRITICAL_SECTION buffer_lock_;
rtc::scoped_refptr<webrtc::VideoTrackInterface> rendered_track_;
};
// A little helper class to make sure we always to proper locking and
// unlocking when working with VideoRenderer buffers.
template <typename T>
class AutoLock {
public:
explicit AutoLock(T* obj) : obj_(obj) { obj_->Lock(); }
~AutoLock() { obj_->Unlock(); }
protected:
T* obj_;
};
protected:
enum ChildWindowID {
EDIT_ID = 1,
BUTTON_ID,
LABEL1_ID,
LABEL2_ID,
LISTBOX_ID,
};
void OnPaint();
void OnDestroyed();
void OnDefaultAction();
bool OnMessage(UINT msg, WPARAM wp, LPARAM lp, LRESULT* result);
static LRESULT CALLBACK WndProc(HWND hwnd, UINT msg, WPARAM wp, LPARAM lp);
static bool RegisterWindowClass();
void CreateChildWindow(HWND* wnd, ChildWindowID id, const wchar_t* class_name,
DWORD control_style, DWORD ex_style);
void CreateChildWindows();
void LayoutConnectUI(bool show);
void LayoutPeerListUI(bool show);
void HandleTabbing();
private:
std::unique_ptr<VideoRenderer> local_renderer_;
std::unique_ptr<VideoRenderer> remote_renderer_;
UI ui_;
HWND wnd_;
DWORD ui_thread_id_;
HWND edit1_;
HWND edit2_;
HWND label1_;
HWND label2_;
HWND button_;
HWND listbox_;
bool destroyed_;
void* nested_msg_;
MainWndCallback* callback_;
static ATOM wnd_class_;
std::string server_;
std::string port_;
bool auto_connect_;
bool auto_call_;
};
#endif // WIN32
#endif // WEBRTC_EXAMPLES_PEERCONNECTION_CLIENT_MAIN_WND_H_