/// <summary>
/// Saves a 'png' thumbnail from the input video.
/// </summary>
/// <param name="source">Source video file.</param>
/// <param name="output">Output video file</param>
/// <param name="seek">Seek position where the thumbnail should be taken.</param>
/// <param name="thumbWidth">Thumbnail width.</param>
/// <param name="thumbHeight">Thumbnail height.</param>
/// <returns>Success state.</returns>
public bool SaveThumbnail(VideoInfo source, string output, TimeSpan?seek = null, int thumbWidth = 300, int thumbHeight = 169)
{
_probe.SetVideoInfo(ref source);
if (seek == null)
{
seek = new TimeSpan(0, 0, 7);
}
FFMpegHelper.ConversionExceptionCheck(source, output);
FFMpegHelper.ExtensionExceptionCheck(output, ".png");
string thumbArgs,
thumbSize = thumbWidth.ToString() + "x" + thumbHeight.ToString();
thumbArgs = String.Format("-i \"{0}\" -vcodec png -vframes 1 -ss {1} -s {2} \"{3}\"", source.Path,
seek.ToString(),
thumbSize,
output);
return(_RunProcess(thumbArgs));
}
