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<concept id="GUID-16218C7E-B927-5729-9A05-680A3D0D8BDE" xml:lang="en"><title>File Data

Provider Configuration Parameters</title><prolog><metadata><keywords/></metadata></prolog><conbody>

<p>The File Data Provider plug-in can be configured using the <codeph>MTP_FILEDP_CONFIG</codeph> resource. <codeph>MTP_FILEDP_CONFIG</codeph> is

then used as the <codeph>opaque_resource</codeph> within an <codeph>MTP_DATA_PROVIDER</codeph> resource.

These resources are defined in <filepath>mtpfiledp_config.rss</filepath> as

shown below. The file is compiled and exported as <filepath>z:/resource/mtp/102827B0.rsc</filepath>  </p>

<section><title>Syntax</title><p>The configurable parameters are: </p><ul>

<li id="GUID-A72A150C-4297-5FEF-8E74-C4B398028699"><p> <b>Object Enumeration

Iteration Length</b>: This parameter configures object store enumeration by

specifying the maximum number of data objects to be enumerated on each iteration

of the process. Its purpose is to ensure that reasonable active scheduler

RunL durations are maintained. </p> </li>

<li id="GUID-32798FE7-C471-510E-99EA-5ADFD23B778C"><p> <b> File Format Exclusion

List</b>: This parameter specifies the set of Symbian file system file formats

which are excluded from the object enumeration process. </p> </li>

<li id="GUID-35441470-D26D-59EB-9E13-334E0361A88F"><p> <b>Extension Map</b>:

This parameter specifies the set of the mapping file extensions for the file

codes in the <codeph>format_exclusion_list</codeph>. </p> </li>

</ul> </section>

<example><codeblock xml:space="preserve">#include &lt;ecom/registryinfo.rh&gt;

#include <mtp/mtpdpinfo.rh>

#include "mtpfiledp_config.rh"

RESOURCE MTP_DATA_PROVIDER dpConfig

    {

    type = EMtpDataTypeEcom;

    major_version = 1;

    object_enumeration_persistent = 0;

    supported_modes = KMtpModeMTP;  

    server_name = "";

    server_image_name = "";

    opaque_resource = fileConfig;

    }

RESOURCE MTP_FILEDP_CONFIG fileConfig

    {

    enumeration_iteration_length = 32;

    format_exclusion_list = {

        // Association 

        0x3009  //mp3 code added to exclusion list, handled by Music Data Provider.

        };

    extension_map = {

   MTP_FILEDP_EXTENSION_MAP // mp3 added to extension map, handled by Music Data Provider.

   {

   file_extension = "mp3";

   mtp_object_format = 0x3009;

   },

   ...

        };

    }

...</codeblock></example>