style: Change files encoding format to UTF8-BOM

client/ScreenCapturerDXGI.h

@@ -1,10 +1,10 @@
-#pragma once
+#pragma once
 #include "stdafx.h"
 #include "ScreenCapture.h"
 #include "common/commands.h"
 
-// ֻҪ<EFBFBD>㰲װ<EFBFBD><EFBFBD> Windows 8 SDK <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>߰汾<EFBFBD><EFBFBD> Windows SDK<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ҵ<EFBFBD> dxgi1_2.h <EFBFBD><EFBFBD><EFBFBD>ɹ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>롣
-// <EFBFBD><EFBFBD><EFBFBD><EFBFBD> Windows 8 <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>°汾<EFBFBD><EFBFBD><EFBFBD><EFBFBD>֧<EFBFBD><EFBFBD>
+// 只要你安装了 Windows 8 SDK 或更高版本的 Windows SDK，编译器就能找到 dxgi1_2.h 并成功编译。
+// 仅在 Windows 8 及更新版本上受支持
 #include <dxgi1_2.h>
 #include <d3d11.h>
 
@@ -13,7 +13,7 @@
 
 // author: ChatGPT
 // update: 962914132@qq.com
-// DXGI 1.2<EFBFBD><EFBFBD>IDXGIOutputDuplication<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȴ<EFBFBD>ͳ GDI <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͨ<EFBFBD><CDA8><EFBFBD><EFBFBD> 3 <20><><EFBFBD><EFBFBD> 10 <20><>֮<EFBFBD>䣬<EFBFBD><E4A3AC><EFBFBD><EFBFBD>ȡ<EFBFBD><C8A1><EFBFBD><EFBFBD>Ӳ<EFBFBD><D3B2><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><D6B1>ʺ<EFBFBD>ʹ<EFBFBD>ó<EFBFBD><C3B3><EFBFBD><EFBFBD><EFBFBD>
+// DXGI 1.2（IDXGIOutputDuplication）相比传统 GDI 截屏，性能提升通常在 3 倍到 10 倍之间，具体取决于硬件、分辨率和使用场景。
 class ScreenCapturerDXGI : public ScreenCapture
 {
 private:
@@ -49,7 +49,7 @@ public:
     {
         m_iScreenX = 0;
         m_iScreenY = 0;
-        // 1. <EFBFBD><EFBFBD><EFBFBD><EFBFBD> D3D11 <EFBFBD>豸
+        // 1. 创建 D3D11 设备
         D3D11CreateDevice(nullptr, D3D_DRIVER_TYPE_HARDWARE, NULL, 0, nullptr, 0, D3D11_SDK_VERSION, &d3dDevice, nullptr, &d3dContext);
 
         IDXGIFactory1* pFactory = nullptr;
@@ -57,18 +57,18 @@ public:
         IDXGIOutput* dxgiOutput = nullptr;
         IDXGIOutput1* dxgiOutput1 = nullptr;
 
-        // 2. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        // 2. 创建工厂
         CreateDXGIFactory1(__uuidof(IDXGIFactory1), (void**)&pFactory);
         if (!pFactory) return;
 
         do {
-            // 3. <EFBFBD><EFBFBD>ȡ<EFBFBD>豸
+            // 3. 获取设备
             static UINT idx = 0;
             idx = pFactory->EnumAdapters1(idx, &dxgiAdapter) == DXGI_ERROR_NOT_FOUND ? 0 : idx;
             if (!dxgiAdapter) pFactory->EnumAdapters1(idx, &dxgiAdapter);
             if (!dxgiAdapter)break;
 
-            // 4. <EFBFBD><EFBFBD>ȡ DXGI <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD>
+            // 4. 获取 DXGI 输出（屏幕）
             static UINT screen = 0;
             HRESULT r = dxgiAdapter->EnumOutputs(screen++, &dxgiOutput);
             if (r == DXGI_ERROR_NOT_FOUND && all) {
@@ -80,21 +80,21 @@ public:
             }
             if (!dxgiOutput)break;
 
-            // 5. <EFBFBD><EFBFBD>ȡ DXGI <EFBFBD><EFBFBD><EFBFBD><EFBFBD> 1
+            // 5. 获取 DXGI 输出 1
             dxgiOutput->QueryInterface(__uuidof(IDXGIOutput1), (void**)&dxgiOutput1);
             if (!dxgiOutput1)break;
 
-            // 6. <EFBFBD><EFBFBD><EFBFBD><EFBFBD> Desktop Duplication
+            // 6. 创建 Desktop Duplication
             dxgiOutput1->DuplicateOutput(d3dDevice, &deskDupl);
             if (!deskDupl)break;
 
-            // 7. <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD>С
+            // 7. 获取屏幕大小
             DXGI_OUTDUPL_DESC duplDesc;
             deskDupl->GetDesc(&duplDesc);
             m_ulFullWidth = duplDesc.ModeDesc.Width;
             m_ulFullHeight = duplDesc.ModeDesc.Height;
 
-            // 8. <EFBFBD><EFBFBD><EFBFBD><EFBFBD> CPU <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            // 8. 创建 CPU 访问纹理
             D3D11_TEXTURE2D_DESC desc = {};
             desc.Width = m_ulFullWidth;
             desc.Height = m_ulFullHeight;
@@ -106,7 +106,7 @@ public:
             desc.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
             d3dDevice->CreateTexture2D(&desc, NULL, &cpuTexture);
 
-            // 9. <EFBFBD><EFBFBD>ʼ<EFBFBD><EFBFBD> BITMAPINFO
+            // 9. 初始化 BITMAPINFO
             m_BitmapInfor_Full = ConstructBitmapInfo(32, m_ulFullWidth, m_ulFullHeight);
             m_BitmapInfor_Send = new BITMAPINFO(*m_BitmapInfor_Full);
 			if (m_bAlgorithm != ALGORITHM_H264) {
@@ -117,7 +117,7 @@ public:
 					4 * m_BitmapInfor_Send->bmiHeader.biHeight;
 			}
 
-            // 10. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ļ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+            // 10. 分配屏幕缓冲区
             m_FirstBuffer = new BYTE[m_BitmapInfor_Full->bmiHeader.biSizeImage + 1];
             m_NextBuffer = new BYTE[m_BitmapInfor_Full->bmiHeader.biSizeImage + 1];
             m_RectBuffer = new BYTE[m_BitmapInfor_Full->bmiHeader.biSizeImage * 2 + 12];
@@ -127,7 +127,7 @@ public:
             break;
         } while (true);
 
-        // <EFBFBD>ͷ<EFBFBD> DXGI <EFBFBD><EFBFBD>Դ
+        // 释放 DXGI 资源
         if (dxgiOutput1) dxgiOutput1->Release();
         if (dxgiOutput) dxgiOutput->Release();
         if (dxgiAdapter) dxgiAdapter->Release();
@@ -188,7 +188,7 @@ public:
     }
 
 private:
-    // <EFBFBD><EFBFBD><EFBFBD>³<EFBFBD>ʼ<EFBFBD><EFBFBD> Desktop Duplication
+    // 重新初始化 Desktop Duplication
     BOOL ReinitDuplication()
     {
         if (deskDupl) {
@@ -231,11 +231,11 @@ private:
             if (!ReinitDuplication()) return -10;
         }
 
-        // 1. <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD>һ֡
+        // 1. 获取下一帧
         IDXGIResource* desktopResource = nullptr;
         DXGI_OUTDUPL_FRAME_INFO frameInfo;
         HRESULT hr = deskDupl->AcquireNextFrame(100, &frameInfo, &desktopResource);
-        // <EFBFBD><EFBFBD><EFBFBD><EFBFBD>ȫ<EFBFBD><EFBFBD><EFBFBD>л<EFBFBD><EFBFBD><EFBFBD><EFBFBD>µķ<EFBFBD><EFBFBD>ʶ<EFBFBD>ʧ
+        // 处理全屏切换导致的访问丢失
         if (hr == DXGI_ERROR_ACCESS_LOST) {
             if (ReinitDuplication()) {
                 hr = deskDupl->AcquireNextFrame(100, &frameInfo, &desktopResource);
@@ -246,7 +246,7 @@ private:
             return -1;
         }
 
-        // 2. <EFBFBD><EFBFBD>ȡ ID3D11Texture2D
+        // 2. 获取 ID3D11Texture2D
         ID3D11Texture2D* texture = nullptr;
         hr = desktopResource->QueryInterface(__uuidof(ID3D11Texture2D), (void**)&texture);
         if (FAILED(hr)) {
@@ -254,24 +254,24 @@ private:
             return -2;
         }
 
-        // 3. <EFBFBD><EFBFBD><EFBFBD>Ƶ<EFBFBD> CPU <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        // 3. 复制到 CPU 纹理
         d3dContext->CopyResource(cpuTexture, texture);
 
-        // 4. <EFBFBD>ͷ<EFBFBD> DXGI <EFBFBD><EFBFBD>Դ
+        // 4. 释放 DXGI 资源
         deskDupl->ReleaseFrame();
         texture->Release();
         desktopResource->Release();
 
-        // 5. <EFBFBD><EFBFBD>ȡ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        // 5. 读取纹理数据
         D3D11_MAPPED_SUBRESOURCE mapped;
         hr = d3dContext->Map(cpuTexture, 0, D3D11_MAP_READ, 0, &mapped);
         if (FAILED(hr)) {
             return -3;
         }
 
-        // 6. <EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ݵ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD>ת<EFBFBD><EFBFBD>
+        // 6. 复制数据到缓冲区（垂直翻转）
         BYTE* pData = (BYTE*)mapped.pData;
-        int rowSize = m_ulFullWidth * 4;  // ÿ<EFBFBD>е<EFBFBD><EFBFBD>ֽ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>RGBA<EFBFBD><EFBFBD>
+        int rowSize = m_ulFullWidth * 4;  // 每行的字节数（RGBA）
 
         BYTE* dest = buffer + reservedBytes + (m_ulFullHeight - 1) * rowSize;
         BYTE* src = pData;
@@ -281,7 +281,7 @@ private:
             src += mapped.RowPitch;
         }
 
-        // 7. <EFBFBD><EFBFBD><EFBFBD><EFBFBD>
+        // 7. 清理
         d3dContext->Unmap(cpuTexture, 0);
 
         *frameSize = m_ulFullWidth * m_ulFullHeight * 4;