/// <summary>
/// Record a video file from a specify rtsp address
/// </summary>
/// <param name="outputFile">output file</param>
/// <param name="duration">record duration seconds of audio/video</param>
/// <param name="userAgent">User-Agent header</param>
/// <param name="transport">set RTSP transport protocols</param>
/// <param name="allowedMediaTypes">set media types to accept from the server</param>
/// <param name="watermark">watermark for the output video</param>
/// <returns>whether record successfully</returns>
public async Task <bool> Record2VideoFileAsync(
string outputFile,
TimeSpan duration,
string userAgent = null,
Transport transport = Transport.Udp, AllowedMediaTypes allowedMediaTypes = AllowedMediaTypes.All,
Watermark watermark = null)
{
var beforeInput = new Dictionary <string, string>();
if (!string.IsNullOrWhiteSpace(userAgent))
{
beforeInput["-user-agent"] = userAgent;
}
if (transport != Transport.Udp)
{
beforeInput["-rtsp_transport"] = transport.ToString().ToLower();
}
if (allowedMediaTypes != AllowedMediaTypes.All)
{
beforeInput["-allowed_media_types"] = allowedMediaTypes.ToString().ToLower();
}
if (Timeout > 0)
{
beforeInput["-stimeout"] = $"{Timeout * 1000}";
}
var beforeOutput = new Dictionary <string, string> {
["-t"] = duration.ToString()
};
return(await FFmpegHelper.WatermarkAsync(Rtsp, outputFile, watermark, beforeInput, beforeOutput));
}
/// <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);
