Reference Manual - 0.9.25
IDirectFBScreen   TestEncoderConfiguration

Test encoder configuration.

TestEncoderConfiguration (
  IDirectFBScreen   * thiz,
  int   encoder,
  const DFBScreenEncoderConfig   * config,
  DFBScreenEncoderConfigFlags   * ret_failed
);

If configuration fails and 'ret_failed' is not NULL it will indicate which fields of the configuration caused the error.