Recherche avancée

Sur d’autres sites (5901)

• vcpkg error : BUILD_FAILED when "Getting CMake variables for x64-windows"

  24 août 2024, par Rok Benko

  I'm trying to install ffmpeg via vcpkg on Windows by running the following command :

  


  vcpkg.exe install ffmpeg

  


  The installation throws an error when getting CMake variables for x64-windows.

  


  -- Getting CMake variables for x64-windows
CMake Error at scripts/cmake/vcpkg_execute_required_process.cmake:127 (message):
    Command failed: "C:/Program Files/Microsoft Visual Studio/2022/Community/Common7/IDE/CommonExtensions/Microsoft/CMake/Ninja/ninja.exe" -v
    Working Directory: C:/Users/xxxxx/vcpkg/buildtrees/pkgconf/x64-windows-rel/vcpkg-parallel-configure
    Error code: 1
    See logs for more information:
      C:\Users\xxxxx\vcpkg\buildtrees\pkgconf\cmake-get-vars-x64-windows-dbg-CMakeCache.txt.log
      C:\Users\xxxxx\vcpkg\buildtrees\pkgconf\cmake-get-vars-x64-windows-rel-CMakeCache.txt.log
      C:\Users\xxxxx\vcpkg\buildtrees\pkgconf\cmake-get-vars-x64-windows-dbg-CMakeConfigureLog.yaml.log
      C:\Users\xxxxx\vcpkg\buildtrees\pkgconf\cmake-get-vars-x64-windows-rel-CMakeConfigureLog.yaml.log
      C:\Users\xxxxx\vcpkg\buildtrees\pkgconf\cmake-get-vars-x64-windows-out.log

Call Stack (most recent call first):
  installed/x64-windows/share/vcpkg-cmake/vcpkg_cmake_configure.cmake:269 (vcpkg_execute_required_process)
  installed/x64-windows/share/vcpkg-cmake-get-vars/vcpkg_cmake_get_vars.cmake:15 (vcpkg_cmake_configure)
  installed/x64-windows/share/vcpkg-tool-meson/vcpkg_configure_meson.cmake:323 (vcpkg_cmake_get_vars)
  installed/x64-windows/share/vcpkg-tool-meson/vcpkg_configure_meson.cmake:458 (vcpkg_generate_meson_cmd_args)
  ports/pkgconf/portfile.cmake:9 (vcpkg_configure_meson)
  scripts/ports.cmake:192 (include)


error: building pkgconf:x64-windows failed with: BUILD_FAILED
See https://learn.microsoft.com/vcpkg/troubleshoot/build-failures?WT.mc_id=vcpkg_inproduct_cli for more information.
Elapsed time to handle pkgconf:x64-windows: 1.9 s
Please ensure you're using the latest port files with `git pull` and `vcpkg update`.
Then check for known issues at:
  https://github.com/microsoft/vcpkg/issues?q=is%3Aissue+is%3Aopen+in%3Atitle+pkgconf
You can submit a new issue at:
  https://github.com/microsoft/vcpkg/issues/new?title=xxxxx


  


  What does this error mean ? The suggested git pull and vcpkg update didn't solve the error. The directory is up to date.

  


  PS : I opened logs, but I have no idea how to solve the error. I don't understand them.

  


• FFmpeg drawtext filter error : "Cannot find a valid font for the family Sans"

  7 septembre 2024, par fatdrogen

  I'm trying to add text overlay to a video using FFmpeg's drawtext filter in my iOS app, but I'm encountering the following error :

  


  error : Cannot load default config file

  


  ERROR : Cannot find a valid font for the family Sans

  


  ERROR : Error initializing filter 'drawtext'

  


  ERROR : with args 'text=write some thing :'

  


  Here's the relevant part of my FFmpeg command :

  


  Copydrawtext=text='write some thing '

  


  Questions :

  


  What's causing this error, and how can I resolve it ?
Is there a way to specify a font that's guaranteed to be available on iOS devices ?
Are there any alternative approaches to adding text overlay in FFmpeg that might avoid this issue ?

  


  Environment :

  


  Platform : iOS
FFmpeg : Using MobileFFmpeg library
Swift

  


  Any help or guidance would be greatly appreciated !

  


  func makeGIFData(asset: AVAsset,  startTime: Double, endTime: Double, rotation: Double, overlayText: String) async throws -> Data {
    let fileName = "\(ProcessInfo.processInfo.globallyUniqueString)_input.mp4"
    let fileURL = URL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent(fileName)
    
    // Export the asset to a temporary file
    guard let exporter = try? await AVAssetExportSession(asset: asset, presetName: AVAssetExportPresetHighestQuality) else {
        throw NSError(domain: "GIFConversionError", code: -1, userInfo: [NSLocalizedDescriptionKey: "Failed to create AVAssetExportSession"])
    }
    
    exporter.outputURL = fileURL
    exporter.outputFileType = .mp4
    exporter.timeRange = CMTimeRange(start: CMTime(seconds: startTime, preferredTimescale: 600), end: CMTime(seconds: endTime, preferredTimescale: 600))
    
    do {
        try await exporter.export()
    } catch {
        throw NSError(domain: "GIFConversionError", code: -2, userInfo: [NSLocalizedDescriptionKey: "Failed to export video: \(error.localizedDescription)"])
    }
    
    let outfileName = "\(ProcessInfo.processInfo.globallyUniqueString)_outfile.gif"
    let outfileURL = URL(fileURLWithPath: NSTemporaryDirectory()).appendingPathComponent(outfileName)
    
    // Get video dimensions
    guard let track = try? await asset.loadTracks(withMediaType: .video).first,
          let videoSize = try? await track.load(.naturalSize) else {
        throw NSError(domain: "GIFConversionError", code: -4, userInfo: [NSLocalizedDescriptionKey: "Failed to get video dimensions"])
    }
    
    // Prepare FFmpeg command
    var command = "-i \(fileURL.path) -vf "
    
    
    // Add text overlay
    let escapedText = overlayText.replacingOccurrences(of: ":", with: "\\:").replacingOccurrences(of: "'", with: "\\'")
    let fontColor = textColor.toHexString()
    
    // Use a more universally available font, or provide multiple options
    filters += ",drawtext=text='write some thing ':"
    
    // Add palette generation and application
    filters += ",split[s0][s1];[s0]palettegen[p];[s1][p]paletteuse"
    
    // Add filters to command
    command += "\"\(filters)\""
    
    // Finalize command
    command += " -loop 0 \(outfileURL.path)"
    
    print("FFmpeg command: \(command)")
    
    let startTime = CFAbsoluteTimeGetCurrent()
    
    let result = MobileFFmpeg.execute(command)
    
    if result != RETURN_CODE_SUCCESS {
        throw NSError(domain: "GIFConversionError", code: Int(result), userInfo: [NSLocalizedDescriptionKey: "FFmpeg conversion failed"])
    }
    
    let timeElapsed = CFAbsoluteTimeGetCurrent() - startTime
    print("Time elapsed: \(timeElapsed) s.")
    
    // Read the generated GIF file
    guard let gifData = try? Data(contentsOf: outfileURL) else {
        throw NSError(domain: "GIFConversionError", code: -3, userInfo: [NSLocalizedDescriptionKey: "Failed to read generated GIF file"])
    }
    
    print("Animated GIF data created successfully. Size: \(gifData.count) bytes")
    
    // Clean up temporary files
    try? FileManager.default.removeItem(at: fileURL)
    try? FileManager.default.removeItem(at: outfileURL)
    
    return gifData
}
'''


  


• fftools/cmdutils : fix error message for "ffmpeg -init_hw_device list"

  26 mars, par Jun Zhao

  fftools/cmdutils : fix error message for "ffmpeg -init_hw_device list"
  When running 'ffmpeg -init_hw_device list' to display available hardware
  
  devices, it incorrectly shows an error message :
  
  "Failed to set value 'list' for option 'init_hw_device' : Immediate exit requested"
  This is a regression introduced by commit a50f90f1c23. The command is
  
  actually working as intended - it should exit after listing devices, but
  
  shouldn't display an error message.
  Signed-off-by : Jun Zhao <barryjzhao@tencent.com>
  

  • [DH] fftools/cmdutils.c