Converts a directory of PNG frames to a video file.
public Task<VideoConversionResult> ConvertPngSequenceToVideoAsync(string inputDirectory, string? outputPath = null, VideoConversionOptions? options = null, CancellationToken cancellationToken = default(CancellationToken))
Directory containing PNG frames.
Output video file path. If null, uses input directory with appropriate extension.
Conversion options.
Cancellation token.