/// <summary>
/// Gets the extracted ass path.
/// </summary>
/// <param name="video">The video.</param>
/// <param name="subtitleStream">The subtitle stream.</param>
/// <param name="startTimeTicks">The start time ticks.</param>
/// <param name="performConversion">if set to <c>true</c> [perform conversion].</param>
/// <returns>System.String.</returns>
private string GetExtractedAssPath(Video video, MediaStream subtitleStream, long?startTimeTicks, bool performConversion)
{
var offset = TimeSpan.FromTicks(startTimeTicks ?? 0);
var path = Kernel.Instance.FFMpegManager.GetSubtitleCachePath(video, subtitleStream.Index, offset, ".ass");
if (performConversion)
{
InputType type;
var inputPath = MediaEncoderHelpers.GetInputArgument(video, null, out type);
try
{
var parentPath = Path.GetDirectoryName(path);
Directory.CreateDirectory(parentPath);
var task = MediaEncoder.ExtractTextSubtitle(inputPath, type, subtitleStream.Index, offset, path, CancellationToken.None);
Task.WaitAll(task);
}
catch
{
return(null);
}
}
return(path);
}
