playinmpv.cpp

// playinmpv.cpp : 此文件包含 "main" 函数。程序执行将在此处开始并结束。
//

#include <iostream>
#include <Windows.h>
#include <stdlib.h>
#include <string>
#include <assert.h>
#include <locale>
using namespace std;

unsigned char ToHex(unsigned char x)
{
    return  x > 9 ? x + 55 : x + 48;
}

unsigned char FromHex(unsigned char x)
{
    unsigned char y;
    if (x >= 'A' && x <= 'Z') y = x - 'A' + 10;
    else if (x >= 'a' && x <= 'z') y = x - 'a' + 10;
    else if (x >= '0' && x <= '9') y = x - '0';
    else assert(0);
    return y;
}

std::string UrlEncode(const std::string& str)
{
    std::string strTemp = "";
    size_t length = str.length();
    for (size_t i = 0; i < length; i++)
    {
        if (isalnum((unsigned char)str[i]) ||
            (str[i] == '-') ||
            (str[i] == '_') ||
            (str[i] == '.') ||
            (str[i] == '~'))
            strTemp += str[i];
        else if (str[i] == ' ')
            strTemp += "+";
        else
        {
            strTemp += '%';
            strTemp += ToHex((unsigned char)str[i] >> 4);
            strTemp += ToHex((unsigned char)str[i] % 16);
        }
    }
    return strTemp;
}

std::string UrlDecode(const std::string& str)
{
    std::string strTemp = "";
    size_t length = str.length();
    for (size_t i = 0; i < length; i++)
    {
        if (str[i] == '+') strTemp += ' ';
        else if (str[i] == '%')
        {
            assert(i + 2 < length);
            unsigned char high = FromHex((unsigned char)str[++i]);
            unsigned char low = FromHex((unsigned char)str[++i]);
            strTemp += high * 16 + low;
        }
        else strTemp += str[i];
    }
    return strTemp;
}

std::string GetMpvPlayerPathFromRegistry()
{
    HKEY hKey;
    LPCWSTR subKey = L"mpv\\DefaultIcon";
    std::wstring valueBuffer(MAX_PATH, '\0');
    DWORD bufferSize = MAX_PATH;

    if (RegOpenKeyExW(HKEY_CLASSES_ROOT, subKey, 0, KEY_READ, &hKey) == ERROR_SUCCESS)
    {
        // Read the default value from the subkey
        RegQueryValueExW(hKey, NULL, NULL, NULL, reinterpret_cast<LPBYTE>(&valueBuffer[0]), &bufferSize);
        RegCloseKey(hKey);

        // Extract the path from the value
        std::wstring value = valueBuffer.substr(0, valueBuffer.find_first_of(L','));
        return std::wstring_convert<std::codecvt<wchar_t, char, std::mbstate_t>>{}.to_bytes(value);
    }

    return "";
}

int main(int argc, char* argv[])
{
    std::string mpvPlayerPath = GetMpvPlayerPathFromRegistry();

    string cmd;
    if (argc < 2)
    {
        std::cout << "can't get value" << endl;
        Sleep(1000 * 10);
    }
    else {
        cmd = argv[1];
        std::cout << "输入url:" << endl;
        std::cout << cmd <<endl;
    }
    cmd = cmd.substr(6);
    cmd = UrlDecode(cmd);
    /*
    string url_1 = "upos-hz-mirrorakam.akamaized.net", url_2 = "upos-sz-mirrorks3c.bilivideo.com";
    if (cmd.find(url_1)!=string::npos) {
        cmd = cmd.replace(cmd.find(url_1), url_1.length(), url_2);
        std::cout << "港澳台视频cdn替换为：upos-sz-mirrorks3c.bilivideo.com" << endl;
    }
    if (cmd.find(url_1) != string::npos) {
        cmd = cmd.replace(cmd.find(url_1), url_1.length(), url_2);
        std::cout << "港澳台音频cdn替换为：upos-sz-mirrorks3c.bilivideo.com" << endl;
    }
    */
    char* char_url;
    _get_pgmptr(&char_url);
    string str_url = char_url;
    string str_url0 = str_url.substr(0, 3);
    string str_url1 = str_url.substr(3,str_url.length()-17);
    /*
    cmd = str_url0 + "\"" + str_url1 + "\\\"mpv " + cmd;
    const char* cstr = cmd.c_str();

    const std::string& mpvCmd = mpvPlayerPath + " " + cmd;  //add
    const char* cstr = mpvCmd.c_str();                      //add

    std::cout << "执行命令：" << endl;
    std::cout << cstr << endl;
    */
    if (!mpvPlayerPath.empty())
    {
        cmd = mpvPlayerPath + " " + cmd;
        std::cout << "执行命令：" << endl;
        std::cout << cmd << endl;
        const char* cstr = cmd.c_str();
        system(cstr);
    }
    else
    {
        cmd = str_url0 + "\"" + str_url1 + "\\\"mpv " + cmd;
        std::cout << "未在注册表中找到MPV播放器路径，使用默认方式执行命令：" << endl;
        std::cout << cmd << endl;
        const char* cstr = cmd.c_str();
        system(cstr);
    }
    
    Sleep(1000 * 1);
    return 0;
}

// 运行程序: Ctrl + F5 或调试 >“开始执行(不调试)”菜单
// 调试程序: F5 或调试 >“开始调试”菜单

// 入门使用技巧: 
//   1. 使用解决方案资源管理器窗口添加/管理文件
//   2. 使用团队资源管理器窗口连接到源代码管理
//   3. 使用输出窗口查看生成输出和其他消息
//   4. 使用错误列表窗口查看错误
//   5. 转到“项目”>“添加新项”以创建新的代码文件，或转到“项目”>“添加现有项”以将现有代码文件添加到项目
//   6. 将来，若要再次打开此项目，请转到“文件”>“打开”>“项目”并选择 .sln 文件