protected override void SetAudioVolume(int vol)
        {
            if (_dzPlayer != IntPtr.Zero)
            {
                dz_error_t err;

                Logger.LogTrace("DeezerRenderer::SetAudioVolume vol={0}", vol);

                err = DeezerApi.dz_player_set_output_volume(_dzPlayer, null, IntPtr.Zero, vol);

                DeezerApi.HandleDzErrorCode("dz_player_set_output_volume", err);
            }
        }