/// <summary>
/// Screenshot by a timer
/// </summary>
/// <param name="outputDirectory"></param>
/// <param name="filenamePrefix">filename prefix of screenshot picture</param>
/// <param name="interval">how often(seconds) to exec a screenshot.</param>
/// <param name="duration">how long time will this run</param>
/// <param name="format">screenshot picture format</param>
/// <returns></returns>
public async Task <bool> ScreenshotAsync(string outputDirectory, string filenamePrefix,
int interval, TimeSpan duration,
ImageFormat format = ImageFormat.JPG
) =>
await FFmpegHelper.ScreenshotAsync(Rtsp, outputDirectory, filenamePrefix, interval, duration, Timeout,
format);
/// <summary> /// Screenshot once /// </summary> /// <param name="outputFile"></param> /// <returns></returns> public async Task <bool> ScreenshotAsync(string outputFile) => await FFmpegHelper.ScreenshotAsync(Rtsp, outputFile, timeout : Timeout);
