private FFMpegInfo GetExistingVersion(FFMpegInfo info, string rootEncoderPath)
{
var encoderFilename = Path.GetFileName(info.EncoderPath);
var probeFilename = Path.GetFileName(info.ProbePath);
foreach (var directory in _fileSystem.GetDirectoryPaths(rootEncoderPath)
.ToList())
{
var allFiles = _fileSystem.GetFilePaths(directory, true).ToList();
var encoder = allFiles.FirstOrDefault(i => string.Equals(Path.GetFileName(i), encoderFilename, StringComparison.OrdinalIgnoreCase));
var probe = allFiles.FirstOrDefault(i => string.Equals(Path.GetFileName(i), probeFilename, StringComparison.OrdinalIgnoreCase));
if (!string.IsNullOrWhiteSpace(encoder) &&
!string.IsNullOrWhiteSpace(probe))
{
return(new FFMpegInfo
{
EncoderPath = encoder,
ProbePath = probe,
Version = Path.GetFileName(Path.GetDirectoryName(probe))
});
}
}
return(null);
}
public async Task <FFMpegInfo> GetFFMpegInfo(StartupOptions options, IProgress <double> progress)
{
var customffMpegPath = options.GetOption("-ffmpeg");
var customffProbePath = options.GetOption("-ffprobe");
if (!string.IsNullOrWhiteSpace(customffMpegPath) && !string.IsNullOrWhiteSpace(customffProbePath))
{
return(new FFMpegInfo
{
ProbePath = customffProbePath,
EncoderPath = customffMpegPath,
Version = "external"
});
}
var downloadInfo = _ffmpegInstallInfo;
var version = downloadInfo.Version;
if (string.Equals(version, "path", StringComparison.OrdinalIgnoreCase))
{
return(new FFMpegInfo
{
ProbePath = downloadInfo.FFProbeFilename,
EncoderPath = downloadInfo.FFMpegFilename,
Version = version
});
}
if (string.Equals(version, "0", StringComparison.OrdinalIgnoreCase))
{
return(new FFMpegInfo());
}
var rootEncoderPath = Path.Combine(_appPaths.ProgramDataPath, "ffmpeg");
var versionedDirectoryPath = Path.Combine(rootEncoderPath, version);
var info = new FFMpegInfo
{
ProbePath = Path.Combine(versionedDirectoryPath, downloadInfo.FFProbeFilename),
EncoderPath = Path.Combine(versionedDirectoryPath, downloadInfo.FFMpegFilename),
Version = version
};
_fileSystem.CreateDirectory(versionedDirectoryPath);
var excludeFromDeletions = new List <string> {
versionedDirectoryPath
};
if (!_fileSystem.FileExists(info.ProbePath) || !_fileSystem.FileExists(info.EncoderPath))
{
// ffmpeg not present. See if there's an older version we can start with
var existingVersion = GetExistingVersion(info, rootEncoderPath);
// No older version. Need to download and block until complete
if (existingVersion == null)
{
var success = await DownloadFFMpeg(downloadInfo, versionedDirectoryPath, progress).ConfigureAwait(false);
if (!success)
{
return(new FFMpegInfo());
}
}
else
{
info = existingVersion;
versionedDirectoryPath = Path.GetDirectoryName(info.EncoderPath);
excludeFromDeletions.Add(versionedDirectoryPath);
}
}
// Allow just one of these to be overridden, if desired.
if (!string.IsNullOrWhiteSpace(customffMpegPath))
{
info.EncoderPath = customffMpegPath;
}
if (!string.IsNullOrWhiteSpace(customffProbePath))
{
info.EncoderPath = customffProbePath;
}
return(info);
}
public FFMpegInfo GetFFMpegInfo(StartupOptions options)
{
var customffMpegPath = options.GetOption("-ffmpeg");
var customffProbePath = options.GetOption("-ffprobe");
if (!string.IsNullOrWhiteSpace(customffMpegPath) && !string.IsNullOrWhiteSpace(customffProbePath))
{
return(new FFMpegInfo
{
ProbePath = customffProbePath,
EncoderPath = customffMpegPath,
Version = "external"
});
}
var downloadInfo = _ffmpegInstallInfo;
var prebuiltFolder = _appPaths.ProgramSystemPath;
var prebuiltffmpeg = Path.Combine(prebuiltFolder, downloadInfo.FFMpegFilename);
var prebuiltffprobe = Path.Combine(prebuiltFolder, downloadInfo.FFProbeFilename);
if (File.Exists(prebuiltffmpeg) && File.Exists(prebuiltffprobe))
{
return(new FFMpegInfo
{
ProbePath = prebuiltffprobe,
EncoderPath = prebuiltffmpeg,
Version = "external"
});
}
var version = downloadInfo.Version;
if (string.Equals(version, "0", StringComparison.OrdinalIgnoreCase))
{
return(new FFMpegInfo());
}
var rootEncoderPath = Path.Combine(_appPaths.ProgramDataPath, "ffmpeg");
var versionedDirectoryPath = Path.Combine(rootEncoderPath, version);
var info = new FFMpegInfo
{
ProbePath = Path.Combine(versionedDirectoryPath, downloadInfo.FFProbeFilename),
EncoderPath = Path.Combine(versionedDirectoryPath, downloadInfo.FFMpegFilename),
Version = version
};
Directory.CreateDirectory(versionedDirectoryPath);
var excludeFromDeletions = new List <string> {
versionedDirectoryPath
};
if (!File.Exists(info.ProbePath) || !File.Exists(info.EncoderPath))
{
// ffmpeg not present. See if there's an older version we can start with
var existingVersion = GetExistingVersion(info, rootEncoderPath);
// No older version. Need to download and block until complete
if (existingVersion == null)
{
return(new FFMpegInfo());
}
else
{
info = existingVersion;
versionedDirectoryPath = Path.GetDirectoryName(info.EncoderPath);
excludeFromDeletions.Add(versionedDirectoryPath);
}
}
// Allow just one of these to be overridden, if desired.
if (!string.IsNullOrWhiteSpace(customffMpegPath))
{
info.EncoderPath = customffMpegPath;
}
if (!string.IsNullOrWhiteSpace(customffProbePath))
{
info.ProbePath = customffProbePath;
}
return(info);
}
