【Windowsに画面を映す】AndroidやiPhone、iPadから無線画面共有をする方法【上級者向け】

# scrcpy wireless connection script

# Set console code page to UTF-8 for proper character display
# This command sets the console's active code page to UTF-8 (65001).
# It's crucial for PowerShell to correctly interpret UTF-8 characters in the script.
chcp 65001 > $null

# Try initial scrcpy launch
Write-Host "scrcpyの初期起動を試行しています..."
# Attempt to run scrcpy. If it successfully launches, the script will wait for it to close.
# If it fails to launch (e.g., no device found, adb not running), it will exit immediately with an error code.
./scrcpy --audio-source=playback --audio-dup

$scrcpyExitCode = $LASTEXITCODE

# Check the exit code of the initial scrcpy attempt
if ($scrcpyExitCode -eq 0) {
    # If scrcpy exited with a success code (0), it means it launched and was closed by the user.
    Write-Host "scrcpyが正常に起動し、終了しました。スクリプトを終了します。"
    exit # Exit the script completely
} else {
    # If scrcpy exited with a non-zero code, it indicates a failure to launch.
    Write-Host "scrcpyの初期起動に失敗しました（終了コード: $scrcpyExitCode）。無線接続プロセスを開始します。"
    Write-Host "詳細なエラーについては、上記のscrcpyの出力をご確認ください。"

    # Function to check for connected devices
    function Check-AdbDevices {
        param (
            [switch]$RestartAdb = $false
        )
        if ($RestartAdb) {
            Write-Host "adbサーバーを再起動しています..."
            adb kill-server | Out-Null # Stop existing adb server quietly
            adb start-server | Out-Null # Start new adb server quietly
            Start-Sleep -Seconds 2 # Give the server a moment to start
        }

        Write-Host "接続されているデバイスを確認しています..."
        $output = adb devices | Out-String
        Write-Host $output

        # Count lines that indicate a connected device (excluding the header and empty lines)
        # This regex matches lines that end with ' device' preceded by any characters,
        # ensuring only actual device entries are counted.
        # It also handles 'List of devices attached' header line.
        $deviceCount = ($output | Select-String -Pattern "\s+device$" | Measure-Object).Count
        
        return $deviceCount
    }

    # 1. Start adb server (if not already running, the initial scrcpy attempt would have tried this)
    # This is redundant if scrcpy already started it, but harmless.
    Write-Host "adbサーバーを起動しています..."
    adb start-server

    # 2. Display connected devices and handle no device found
    $initialDeviceCount = Check-AdbDevices

    if ($initialDeviceCount -eq 0) {
        do {
            Write-Host ""
            Write-Host "==================================================="
            Write-Host "デバイスが見つかりませんでした。USBケーブルでデバイスを接続し、"
            Write-Host "開発者向けオプションで「USBデバッグ」が有効になっていることを確認してください。"
            Write-Host "==================================================="
            Write-Host ""
            Read-Host -Prompt "デバイスを接続したら、Enterキーを押してください。"

            $currentDeviceCount = Check-AdbDevices -RestartAdb
        } while ($currentDeviceCount -eq 0)
    }

    # Prompt user for confirmation before proceeding.
    Read-Host -Prompt "デバイスがリストに表示されていることを確認したら、Enterキーを押してください。"

    # 3. Set adb to TCP/IP mode on port 5555
    Write-Host "adbをTCP/IPモード（ポート5555）に設定しています..."
    adb tcpip 5555

    # Instruct user to unplug USB cable for wireless connection.
    Write-Host ""
    Write-Host "==================================================="
    Write-Host "       USBケーブルをコンピュータから抜いてください。       "
    Write-Host "==================================================="
    Write-Host ""

    # Wait for user to unplug the cable before continuing.
    Read-Host -Prompt "USBケーブルを抜いたら、Enterキーを押してください。"

    # 4. Prompt for device IP address and validate input
    # The script asks the user to input the Android device's IP address and re-prompts if invalid or empty.
    do {
        $ipAddress = Read-Host -Prompt "AndroidデバイスのIPアドレスを入力してください (例: 192.168.1.100)"
        if ([string]::IsNullOrWhiteSpace($ipAddress)) {
            Write-Host "エラー: IPアドレスが無効または空白です。もう一度入力してください。" -ForegroundColor Red
        }
    } while ([string]::IsNullOrWhiteSpace($ipAddress))

    # 5. Connect to the device wirelessly via adb
    Write-Host "デバイスに無線接続しています: $ipAddress..."
    adb connect $ipAddress

    # Prompt user to confirm successful connection and provide troubleshooting tips if it fails.
    Write-Host ""
    Write-Host "接続が成功したことを確認してください（通常は 'connected to $ipAddress' と表示されます）。"
    Write-Host "接続に失敗した場合は、IPアドレスが正しいか、デバイスの「開発者向けオプション」で「ワイヤレスデバッグ」が有効になっているかを確認してください。"
    Write-Host ""

    # 6. Start scrcpy (after establishing wireless connection)
    Write-Host "scrcpyを起動しています..."
    # --audio-source=playback is used to transfer device audio on Android 11+
    # --audio-dup is used to play audio on both scrcpy and the device simultaneously.
    # The script assumes 'scrcpy' executable is in the current directory or system PATH.
    ./scrcpy --audio-source=playback --audio-dup

    # Wait for scrcpy to exit before the script concludes.
    # The script typically continues when the scrcpy window is closed.
    Read-Host -Prompt "scrcpyウィンドウが閉じたら、Enterキーを押してスクリプトを終了してください。"

    Write-Host "スクリプトが完了しました。"
}

pacman -S mingw-w64-ucrt-x86_64-cmake mingw-w64-ucrt-x86_64-gcc

pacman -S mingw-w64-ucrt-x86_64-libplist mingw-w64-ucrt-x86_64-gstreamer mingw-w64-ucrt-x86_64-gst-plugins-base

./uxplay

./uxplay -s 1280x720 -fps 60