/// <summary>
/// Get duration of an MP4 in milliseconds
/// </summary>
/// <param name="stream">Stream containing the MP4 file.</param>
/// <returns>Duration in milliseconds or -1 if duration is unknown.</returns>
/// <remarks>
/// Throws an exception if the file is not .mp4 format.
/// </remarks>
public static long GetDuration(Stream stream)
{
using (var mp4 = new Mp4VideoUtility(stream))
{
return(mp4.GetDuration());
}
}
/// <summary>
/// Get duration of an MP4 file in milliseconds.
/// </summary>
/// <param name="filename">Name of the MP4 file.</param>
/// <returns>Duration in milliseconds or -1 if duration is unknown.</returns>
/// <remarks>
/// Throws an exception if the file is not .mp4 format.
/// </remarks>
public static long GetDuration(string filename)
{
using (var mp4 = new Mp4VideoUtility(filename))
{
return(mp4.GetDuration());
}
}