添加视频压缩代码

others/C/video_compression/src/gui.c

@@ -0,0 +1,161 @@
+#include "gui.h"
+#include "video_compressor.h"
+#include "string_utils.h"
+#include <windows.h>
+#include <commctrl.h>
+
+#define ID_COMPRESS_BUTTON 101
+#define ID_QUALITY_SLIDER 102
+#define ID_INPUT_FILE_EDIT 103
+#define ID_OUTPUT_FILE_EDIT 104
+#define ID_BROWSE_INPUT_BUTTON 105
+#define ID_BROWSE_OUTPUT_BUTTON 106
+
+// 全局变量
+static HWND g_hwndQualitySlider;
+static HWND g_hwndInputFileEdit;
+static HWND g_hwndOutputFileEdit;
+static HFONT g_hFont = NULL;
+
+// 设置中文字体
+static void SetChineseFont(HWND hwnd) {
+    if (g_hFont == NULL) {
+        g_hFont = CreateFontW(
+            16, 0, 0, 0, FW_NORMAL, FALSE, FALSE, FALSE,
+            GB2312_CHARSET,
+            OUT_DEFAULT_PRECIS,
+            CLIP_DEFAULT_PRECIS,
+            DEFAULT_QUALITY,
+            DEFAULT_PITCH | FF_SWISS,
+            L"Microsoft YaHei"
+        );
+    }
+    if (g_hFont) {
+        SendMessageW(hwnd, WM_SETFONT, (WPARAM)g_hFont, TRUE);
+    }
+}
+
+BOOL init_gui(HINSTANCE hInstance) {
+    // 注册窗口类
+    WNDCLASSEXW wc = {0};
+    wc.cbSize = sizeof(WNDCLASSEXW);
+    wc.style = CS_HREDRAW | CS_VREDRAW;
+    wc.lpfnWndProc = MainWndProc;
+    wc.hInstance = hInstance;
+    wc.hCursor = LoadCursorW(NULL, MAKEINTRESOURCEW(IDC_ARROW));
+    wc.hbrBackground = (HBRUSH)(COLOR_WINDOW+1);
+    wc.lpszClassName = L"VideoCompressorClass";
+    
+    if (!RegisterClassExW(&wc)) {
+        return FALSE;
+    }
+
+    // 创建主窗口
+    HWND hwnd = CreateWindowExW(0, wc.lpszClassName, L"视频压缩工具",
+                               WS_OVERLAPPEDWINDOW, CW_USEDEFAULT, CW_USEDEFAULT,
+                               500, 300, NULL, NULL, hInstance, NULL);
+    if (!hwnd) {
+        return FALSE;
+    }
+
+    // 创建控件
+    create_compression_controls(hwnd);
+
+    ShowWindow(hwnd, SW_SHOW);
+    UpdateWindow(hwnd);
+    return TRUE;
+}
+
+void create_compression_controls(HWND hwnd) {
+    // 设置字体
+    SetChineseFont(hwnd);
+
+    // 创建输入文件选择控件
+    CreateWindowW(L"STATIC", L"输入文件:", WS_CHILD | WS_VISIBLE,
+                20, 20, 80, 20, hwnd, NULL, NULL, NULL);
+    
+    g_hwndInputFileEdit = CreateWindowW(L"EDIT", L"", WS_CHILD | WS_VISIBLE | WS_BORDER,
+                                     110, 20, 250, 20, hwnd, (HMENU)ID_INPUT_FILE_EDIT, NULL, NULL);
+    CreateWindowW(L"BUTTON", L"浏览...", WS_CHILD | WS_VISIBLE,
+                                     370, 20, 60, 20, hwnd, (HMENU)ID_BROWSE_INPUT_BUTTON, NULL, NULL);
+
+    // 创建输出文件选择控件
+    CreateWindowW(L"STATIC", L"输出文件:", WS_CHILD | WS_VISIBLE,
+                20, 50, 80, 20, hwnd, NULL, NULL, NULL);
+    
+    g_hwndOutputFileEdit = CreateWindowW(L"EDIT", L"", WS_CHILD | WS_VISIBLE | WS_BORDER,
+                                      110, 50, 250, 20, hwnd, (HMENU)ID_OUTPUT_FILE_EDIT, NULL, NULL);
+    CreateWindowW(L"BUTTON", L"浏览...", WS_CHILD | WS_VISIBLE,
+                                     370, 50, 60, 20, hwnd, (HMENU)ID_BROWSE_OUTPUT_BUTTON, NULL, NULL);
+
+    // 创建质量滑块
+    CreateWindowW(L"STATIC", L"压缩质量(1-10000):", WS_CHILD | WS_VISIBLE,
+                20, 80, 150, 20, hwnd, NULL, NULL, NULL);
+    
+    g_hwndQualitySlider = CreateWindowW(TRACKBAR_CLASSW, L"", WS_CHILD | WS_VISIBLE | TBS_AUTOTICKS,
+                                     20, 100, 400, 30, hwnd, (HMENU)ID_QUALITY_SLIDER, NULL, NULL);
+    
+    SendMessageW(g_hwndQualitySlider, TBM_SETRANGE, TRUE, MAKELONG(1, 10000));
+    SendMessageW(g_hwndQualitySlider, TBM_SETPOS, TRUE, 5000);
+
+    // 创建压缩按钮
+    CreateWindowW(L"BUTTON", L"开始压缩", WS_CHILD | WS_VISIBLE | BS_DEFPUSHBUTTON,
+                180, 150, 100, 30, hwnd, (HMENU)ID_COMPRESS_BUTTON, NULL, NULL);
+}
+
+LRESULT CALLBACK MainWndProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam) {
+    switch (msg) {
+        case WM_COMMAND:
+            if (LOWORD(wParam) == ID_COMPRESS_BUTTON) {
+                // 处理压缩按钮点击事件
+                int quality = (int)SendMessageW(g_hwndQualitySlider, TBM_GETPOS, 0, 0);
+                
+                wchar_t inputFile[MAX_PATH];
+                GetWindowTextW(g_hwndInputFileEdit, inputFile, MAX_PATH);
+                
+                wchar_t outputFile[MAX_PATH];
+                GetWindowTextW(g_hwndOutputFileEdit, outputFile, MAX_PATH);
+                
+                // 转换为UTF-8
+                char inputFileUtf8[MAX_PATH * 4];
+                char outputFileUtf8[MAX_PATH * 4];
+                WideCharToMultiByte(CP_UTF8, 0, inputFile, -1, inputFileUtf8, sizeof(inputFileUtf8), NULL, NULL);
+                WideCharToMultiByte(CP_UTF8, 0, outputFile, -1, outputFileUtf8, sizeof(outputFileUtf8), NULL, NULL);
+                
+                // 调用压缩函数
+                compress_video(inputFileUtf8, outputFileUtf8, quality);
+                return 0;
+            } else if (LOWORD(wParam) == ID_BROWSE_INPUT_BUTTON || LOWORD(wParam) == ID_BROWSE_OUTPUT_BUTTON) {
+                // 文件选择对话框
+                OPENFILENAMEW ofn;
+                wchar_t szFile[MAX_PATH] = L"";
+
+                ZeroMemory(&ofn, sizeof(ofn));
+                ofn.lStructSize = sizeof(ofn);
+                ofn.hwndOwner = hwnd;
+                ofn.lpstrFile = szFile;
+                ofn.nMaxFile = sizeof(szFile)/sizeof(szFile[0]);
+                ofn.lpstrFilter = L"视频文件\0*.mp4;*.avi;*.mkv;*.mov\0所有文件\0*.*\0";
+                ofn.nFilterIndex = 1;
+                ofn.Flags = OFN_PATHMUSTEXIST | OFN_FILEMUSTEXIST;
+
+                if (GetOpenFileNameW(&ofn)) {
+                    HWND targetEdit = (LOWORD(wParam) == ID_BROWSE_INPUT_BUTTON) ? 
+                                     g_hwndInputFileEdit : g_hwndOutputFileEdit;
+                    SetWindowTextW(targetEdit, szFile);
+                }
+                return 0;
+            }
+            break;
+            
+        case WM_DESTROY:
+            if (g_hFont) {
+                DeleteObject(g_hFont);
+                g_hFont = NULL;
+            }
+            PostQuitMessage(0);
+            return 0;
+    }
+    
+    return DefWindowProcW(hwnd, msg, wParam, lParam);
+}