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Archived:Finding audio and video formats supported by the Symbian device

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Archived.pngArchived: This article is archived because it is not considered relevant for third-party developers creating commercial solutions today. If you think this article is still relevant, let us know by adding the template {{ReviewForRemovalFromArchive|user=~~~~|write your reason here}}.

Article Metadata
Tested with
Devices(s): Nokia N93
Compatibility
Platform(s): S60 3rd Edition, FP1
S60 3rd Edition (initial release)
Article
Keywords: CMMFControllerPluginSelectionParameters, CMMFFormatSelectionParameters, RMMFControllerImplInfoArray, RMMFFormatImplInfoArray, CMMFControllerPluginSelectionParameters::SetRequiredPlayFormatSupportL(), CMMFControllerPluginSelectionParameters::SetRequiredRecordFormatSupportL(), CMMFControllerPluginSelectionParameters::SetMediaIdsL(), CMMFControllerPluginSelectionParameters::SetPreferredSupplierL(), CMMFControllerPluginSelectionParameters::ListImplementationsL()
Created: aknyman (08 Apr 2008)
Last edited: hamishwillee (14 Jun 2013)

Contents

Overview

This snippet shows how to find out all audio/video play and record formats supported by the phone.


This snippet can be self-signed.

MMP file

The following libraries are required:

LIBRARY MMFControllerFramework.lib

Header file

#include <mmf\common\mmfcontrollerpluginresolver.h>
#include <mmf\common\mmfcontroller.h>

Source file

  CMMFControllerPluginSelectionParameters* pluginParameters = CMMFControllerPluginSelectionParameters::NewLC();
CMMFFormatSelectionParameters* formatParameters = CMMFFormatSelectionParameters::NewLC();
 
pluginParameters->SetRequiredPlayFormatSupportL(*formatParameters);
pluginParameters->SetRequiredRecordFormatSupportL(*formatParameters);
 
RArray<TUid> ids;
User::LeaveIfError(ids.Append(KUidMediaTypeAudio));
User::LeaveIfError(ids.Append(KUidMediaTypeVideo));
 
//EAllowOnlySuppliedMediaIds - plug-ins that support exact media ID
//EAllowOtherMediaIds - plug-ins that support at least the media ID
 
//pluginParameters->SetMediaIdsL(ids, CMMFPluginSelectionParameters::EAllowOnlySuppliedMediaIds);
pluginParameters->SetMediaIdsL(ids, CMMFPluginSelectionParameters::EAllowOtherMediaIds);
 
//It is also possible to set the preferred supplier of the plug-in
//and return e.g. only those plug-ins
//pluginParameters->->SetPreferredSupplierL(_L("SupplierName"),
// CMMFPluginSelectionParameters::EOnlyPreferredSupplierPluginsReturned);
 
RMMFControllerImplInfoArray controllers;
CleanupResetAndDestroyPushL(controllers);
 
//Get all audio/video play and record controllers/formats that are supported
pluginParameters->ListImplementationsL(controllers);
 
/* //Print results e.g. to global CConsoleBase* console
_LIT(KAudioFormats,"Audio/Video play and record formats detected:\n");
_LIT(KTab, "\t");
_LIT(KNewLine, "\n");
console->Printf(KAudioFormats);
for (TInt index=0; index<controllers.Count(); index++)
{
const RMMFFormatImplInfoArray& playFormats = controllers[index]->PlayFormats();
const RMMFFormatImplInfoArray& recordFormats = controllers[index]->RecordFormats();
console->Printf(controllers[index]->DisplayName());
console->Printf(KNewLine);
for (TInt i=0; i<playFormats.Count(); i++)
{
console->Printf(KTab);
console->Printf(playFormats[i]->DisplayName());
console->Printf(KNewLine);
}
console->Printf(KNewLine);
for (TInt j=0; j<recordFormats.Count(); j++)
{
console->Printf(KTab);
console->Printf(recordFormats[j]->DisplayName());
console->Printf(KNewLine);
}
}
*/

 
CleanupStack::PopAndDestroy(3);//controllers, formatParameters, pluginParameters

Postconditions

The controllers array contains all audio/video play and record formats supported by the phone.

This page was last modified on 14 June 2013, at 05:10.
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