/// <summary>
/// Resumes the recording.
/// </summary>
/// <remarks>
/// The recorder should be in the <see cref="RecorderState.Paused"/> state.
/// The state of recorder will be the <see cref="RecorderState.Recording"/> after this.
/// It has no effect if the current state is the <see cref="RecorderState.Recording"/>.
/// </remarks>
/// <exception cref="InvalidOperationException">
/// The recorder is not in the valid state.<br/>
/// -or-<br/>
/// An internal error occurred.
/// </exception>
/// <exception cref="ObjectDisposedException">The recorder already has been disposed of.</exception>
/// <since_tizen> 4 </since_tizen>
public void Resume()
{
if (_state == RecorderState.Recording)
{
return;
}
ValidateState(RecorderState.Paused);
Native.Start(Handle).ThrowIfError("Failed to resume the media recorder");
SetState(RecorderState.Recording);
}
/// <summary>
/// Starts the recording.
/// </summary>
/// <remarks>
/// The recorder must be in the <see cref="RecorderState.Ready"/> state.
/// The state of the recorder will be the <see cref="RecorderState.Recording"/> after this. <br/>
/// <br/>
/// If the specified path exists, the file is removed automatically and updated by new one.<br/>
/// The mediastorage privilege(http://tizen.org/privilege/mediastorage) is required if the path is relevant to media storage.<br/>
/// The externalstorage privilege(http://tizen.org/privilege/externalstorage) is required if the path is relevant to external storage.<br/>
/// <br/>
/// In the video recorder, some preview format does not support record mode.
/// You should use the default preview format or the <see cref="CameraPixelFormat.Nv12"/> in the record mode.
/// </remarks>
/// <param name="savePath">The file path for recording result.</param>
/// <privilege>http://tizen.org/privilege/recorder</privilege>
/// <exception cref="InvalidOperationException">
/// The recorder is not in the valid state.<br/>
/// -or-<br/>
/// The preview format of the camera is not supported.<br/>
/// -or-<br/>
/// An internal error occurred.
/// </exception>
/// <exception cref="ObjectDisposedException">The recorder already has been disposed of.</exception>
/// <exception cref="ArgumentNullException"><paramref name="savePath"/> is null.</exception>
/// <exception cref="ArgumentException"><paramref name="savePath"/> is a zero-length string, contains only white space.</exception>
/// <exception cref="UnauthorizedAccessException">Caller does not have required privilege.</exception>
/// <seealso cref="Commit"/>
/// <seealso cref="Cancel"/>
/// <since_tizen> 4 </since_tizen>
public void Start(string savePath)
{
ValidateState(RecorderState.Ready);
if (savePath == null)
{
throw new ArgumentNullException(nameof(savePath));
}
if (string.IsNullOrWhiteSpace(savePath))
{
throw new ArgumentException($"{nameof(savePath)} is an empty string.", nameof(savePath));
}
Native.SetFileName(Handle, savePath).ThrowIfError("Failed to set save path.");
Native.Start(Handle).ThrowIfError("Failed to start the media recorder");
SetState(RecorderState.Recording);
}