private async Task <bool> DownloadFFMpeg(FFMpegInstallInfo downloadinfo, string directory, IProgress <double> progress)
{
foreach (var url in downloadinfo.DownloadUrls)
{
progress.Report(0);
try
{
var tempFile = await _httpClient.GetTempFile(new HttpRequestOptions
{
Url = url,
CancellationToken = CancellationToken.None,
Progress = progress
}).ConfigureAwait(false);
ExtractFFMpeg(downloadinfo, tempFile, directory);
return(true);
}
catch (Exception ex)
{
_logger.ErrorException("Error downloading {0}", ex, url);
}
}
return(false);
}
private void ExtractFFMpeg(FFMpegInstallInfo downloadinfo, string tempFile, string targetFolder)
{
_logger.Info("Extracting ffmpeg from {0}", tempFile);
var tempFolder = Path.Combine(_appPaths.TempDirectory, Guid.NewGuid().ToString());
_fileSystem.CreateDirectory(tempFolder);
try
{
ExtractArchive(downloadinfo, tempFile, tempFolder);
var files = _fileSystem.GetFilePaths(tempFolder, true)
.ToList();
foreach (var file in files.Where(i =>
{
var filename = Path.GetFileName(i);
return
(string.Equals(filename, downloadinfo.FFProbeFilename, StringComparison.OrdinalIgnoreCase) ||
string.Equals(filename, downloadinfo.FFMpegFilename, StringComparison.OrdinalIgnoreCase));
}))
{
var targetFile = Path.Combine(targetFolder, Path.GetFileName(file));
_fileSystem.CopyFile(file, targetFile, true);
SetFilePermissions(targetFile);
}
}
finally
{
DeleteFile(tempFile);
}
}
public FFMpegLoader(ILogger logger, IApplicationPaths appPaths, IHttpClient httpClient, IZipClient zipClient, IFileSystem fileSystem, FFMpegInstallInfo ffmpegInstallInfo)
{
_logger = logger;
_appPaths = appPaths;
_httpClient = httpClient;
_zipClient = zipClient;
_fileSystem = fileSystem;
_ffmpegInstallInfo = ffmpegInstallInfo;
}
private void ExtractArchive(FFMpegInstallInfo downloadinfo, string archivePath, string targetPath)
{
_logger.Info("Extracting {0} to {1}", archivePath, targetPath);
if (string.Equals(downloadinfo.ArchiveType, "7z", StringComparison.OrdinalIgnoreCase))
{
_zipClient.ExtractAllFrom7z(archivePath, targetPath, true);
}
else if (string.Equals(downloadinfo.ArchiveType, "gz", StringComparison.OrdinalIgnoreCase))
{
_zipClient.ExtractAllFromTar(archivePath, targetPath, true);
}
}
public FFMpegLoader(IApplicationPaths appPaths, IFileSystem fileSystem, FFMpegInstallInfo ffmpegInstallInfo)
{
_appPaths = appPaths;
_fileSystem = fileSystem;
_ffmpegInstallInfo = ffmpegInstallInfo;
}
