80 lines
2.8 KiB
PowerShell
80 lines
2.8 KiB
PowerShell
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$url = "https://raw.githubusercontent.com/opencv/opencv_3rdparty/@FFMPEG_BINARIES_COMMIT@/ffmpeg/opencv_videoio_ffmpeg_64.dll"
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$expected_md5 = "@FFMPEG_FILE_HASH_BIN64@"
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$output = "$PSScriptRoot\@OPENCV_BIN_INSTALL_PATH@\opencv_videoio_ffmpeg@OPENCV_DLLVERSION@_64.dll"
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Write-Output ("=" * 120)
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try {
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Get-content -Path "$PSScriptRoot\@OPENCV_LICENSES_INSTALL_PATH@\ffmpeg-readme.txt" -ErrorAction 'Stop'
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} catch {
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Write-Output "Refer to OpenCV FFmpeg wrapper readme notes about library usage / licensing details."
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}
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Write-Output ("=" * 120)
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Write-Output ""
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if(![System.IO.File]::Exists($output)) {
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try {
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[io.file]::OpenWrite($output).close()
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} catch {
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Write-Warning "Unable to write: $output"
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if (!([Security.Principal.WindowsPrincipal][Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole] "Administrator")) {
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Write-Warning "Launching with 'Administrator' elevated privileges..."
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Pause
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Start-Process powershell.exe "-NoProfile -ExecutionPolicy Bypass -File `"$PSCommandPath`"" -Verb RunAs
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exit
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} else {
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Write-Output "FATAL: Unable to write with elevated privileges: $output"
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Pause
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exit 1
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}
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}
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try {
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Write-Output ("Downloading: " + $output)
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Import-Module BitsTransfer
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$start_time = Get-Date
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Start-BitsTransfer -Source $url -Destination $output -ErrorAction 'Stop'
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Write-Output "Downloaded in $((Get-Date).Subtract($start_time).Seconds) seconds"
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} catch {
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$_ # Dump error
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try {
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Write-Output ("Downloading (second attempt): " + $output)
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$start_time = Get-Date
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Invoke-WebRequest -Uri $url -OutFile $output
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Write-Output "Downloaded in $((Get-Date).Subtract($start_time).Seconds) seconds"
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} catch {
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Write-Output ("Can't download file: " + $output)
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Write-Output ("URL: " + $url)
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Write-Output "You need to download this file manually. Stop"
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Pause
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Exit
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}
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}
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} else {
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Write-Output ("File exists: " + $output)
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Write-Output ("Downloading is skipped. Remove this file and re-run this script to force downloading.")
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}
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if(![System.IO.File]::Exists($output)) {
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Write-Output ("Destination file not found: " + $output)
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Write-Output "Stop"
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Pause
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Exit
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}
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try {
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$hash = Get-FileHash $output -Algorithm MD5 -ErrorAction 'Stop'
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if($hash.Hash -eq $expected_md5) {
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Write-Output "MD5 check passed"
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} else {
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Write-Output ("MD5 : " + $hash.Hash.toLower())
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Write-Output ("Expected: " + $expected_md5)
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Write-Output "MD5 hash mismatch"
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}
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} catch {
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$_ # Dump error
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Write-Output "Can't check MD5 hash (requires PowerShell 4+)"
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}
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Pause
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Write-Output "Exit"
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