/*
* Copyright (c) 2005-2006 Nokia Corporation and/or its subsidiary(-ies).
* All rights reserved.
* This component and the accompanying materials are made available
* under the terms of "Eclipse Public License v1.0"
* which accompanies this distribution, and is available
* at the URL "http://www.eclipse.org/legal/epl-v10.html".
*
* Initial Contributors:
* Nokia Corporation - initial contribution.
*
* Contributors:
*
* Description: Utilities to get and set profile used with SWIS.
*
*/
// USER
#include "musengmceutils.h"
#include "muslogger.h"
// SYSTEM
#include <mcesession.h>
#include <mcevideostream.h>
#include <mceaudiostream.h>
#include <mcertpsink.h>
#include <mcemediasource.h>
#include <mcertpsource.h>
#include <mcecamerasource.h>
#include <mcedisplaysink.h>
#include <mcefilesource.h>
#include <mcefilesink.h>
#include <mcespeakersink.h>
// -----------------------------------------------------------------------------
// Tells if parameter stream is a video stream with RTP source
// -----------------------------------------------------------------------------
//
TBool MusEngMceUtils::IsVideoInStream( CMceMediaStream& aStream )
{
return ( aStream.Type() == KMceVideo &&
aStream.Source() &&
aStream.Source()->Type() == KMceRTPSource );
}
// -----------------------------------------------------------------------------
// Tells if parameter stream is an audio stream with RTP source
// -----------------------------------------------------------------------------
//
TBool MusEngMceUtils::IsAudioInStream( CMceMediaStream& aStream )
{
return ( aStream.Type() == KMceAudio &&
aStream.Source() &&
aStream.Source()->Type() == KMceRTPSource );
}
// -----------------------------------------------------------------------------
// Gets handle to video stream with RTP sink.
// -----------------------------------------------------------------------------
//
CMceVideoStream* MusEngMceUtils::GetVideoOutStreamL( CMceSession& aSession )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::GetVideoOutStreamL()" )
const RPointerArray<CMceMediaStream>& streams = aSession.Streams();
CMceVideoStream* videoOut = NULL;
for ( TInt i = 0; i < streams.Count(); ++i )
{
if ( streams[i]->Type() == KMceVideo )
{
CMceMediaSink* rtpSink = MusEngMceUtils::GetMediaSink(
*streams[i],
KMceRTPSink );
if ( rtpSink )
{
__ASSERT_ALWAYS( !videoOut, User::Leave( KErrOverflow ) );
videoOut = static_cast<CMceVideoStream*>( streams[i] );
}
// There is no need to investigate bound stream since
// outstream is always constructed by Mus instead of MCE
}
}
__ASSERT_ALWAYS( videoOut, User::Leave( KErrNotFound ) );
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::GetVideoOutStreamL()" )
return videoOut;
}
// -----------------------------------------------------------------------------
// Gets handle to video stream with RTP source.
// -----------------------------------------------------------------------------
//
CMceVideoStream* MusEngMceUtils::GetVideoInStreamL( CMceSession& aSession )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::GetVideoInStreamL()" )
const RPointerArray<CMceMediaStream>& streams = aSession.Streams();
CMceVideoStream* videoIn = NULL;
for ( TInt i = 0; i < streams.Count(); ++i )
{
if ( MusEngMceUtils::IsVideoInStream( *streams[i] ) )
{
__ASSERT_ALWAYS( !videoIn, User::Leave( KErrOverflow ) );
videoIn = static_cast<CMceVideoStream*>( streams[i] );
}
// Check if bound stream is a video stream with RTP souce.
if ( streams[i]->BoundStream() &&
MusEngMceUtils::IsVideoInStream( streams[i]->BoundStreamL() ) )
{
__ASSERT_ALWAYS( !videoIn, User::Leave( KErrOverflow ) );
videoIn = static_cast<CMceVideoStream*>(
&streams[i]->BoundStreamL() );
}
}
__ASSERT_ALWAYS( videoIn, User::Leave( KErrNotFound ) );
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::GetVideoInStreamL()" )
return videoIn;
}
// -----------------------------------------------------------------------------
// Gets handle to video stream with file sink
// -----------------------------------------------------------------------------
//
CMceVideoStream* MusEngMceUtils::GetRecordingStream( CMceSession& aSession )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::GetRecordingStreamL()" )
const RPointerArray<CMceMediaStream>& streams = aSession.Streams();
CMceVideoStream* recordingStream = NULL;
for ( TInt i = 0; i < streams.Count(); ++i )
{
if ( streams[i]->Type() == KMceVideo )
{
if ( MusEngMceUtils::GetMediaSink( *streams[i], KMceFileSink ) )
{
recordingStream = static_cast<CMceVideoStream*>( streams[i] );
}
}
}
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::GetRecordingStreamL()" )
return recordingStream;
}
// -----------------------------------------------------------------------------
// Gets handle to a media sink of spesified type contained by a mediastream.
// -----------------------------------------------------------------------------
//
CMceMediaSink* MusEngMceUtils::GetMediaSink( CMceMediaStream& aStream,
TMceSinkType aType )
{
const RPointerArray<CMceMediaSink>& sinks = aStream.Sinks();
for ( TInt i = 0; i < sinks.Count(); ++i )
{
if ( sinks[i]->Type() == aType )
{
return sinks[i];
}
}
return NULL;
}
// -----------------------------------------------------------------------------
// Gets handle to a media sink of spesified type contained by a mediastream.
// -----------------------------------------------------------------------------
//
CMceMediaSink* MusEngMceUtils::GetMediaSinkL( CMceMediaStream& aStream,
TMceSinkType aType )
{
CMceMediaSink* sink = MusEngMceUtils::GetMediaSink( aStream, aType );
__ASSERT_ALWAYS( sink, User::Leave( KErrNotFound ) );
return sink;
}
// -----------------------------------------------------------------------------
// Gets handle to a media sink of spesified type contained by a session.
// -----------------------------------------------------------------------------
//
CMceMediaSink* MusEngMceUtils::GetMediaSink( CMceSession& aSession,
TMceSinkType aType )
{
CMceMediaSink* sink = NULL;
TRAP_IGNORE( sink = MusEngMceUtils::GetMediaSinkL( aSession, aType ) )
return sink;
}
// -----------------------------------------------------------------------------
// Gets handle to a media sink of spesified type contained by a session.
// -----------------------------------------------------------------------------
//
CMceMediaSink* MusEngMceUtils::GetMediaSinkL( CMceSession& aSession,
TMceSinkType aType )
{
CMceMediaSink* sink = NULL;
const RPointerArray<CMceMediaStream>& streams = aSession.Streams();
for ( TInt i = 0; i < streams.Count(); ++i )
{
sink = MusEngMceUtils::GetMediaSink( *streams[i], aType );
if ( sink )
{
return sink;
}
if ( streams[i]->BoundStream() )
{
sink = MusEngMceUtils::GetMediaSink( streams[i]->BoundStreamL(),
aType );
if ( sink )
{
return sink;
}
}
}
__ASSERT_ALWAYS( sink, User::Leave( KErrNotFound ) );
return sink;
}
// -----------------------------------------------------------------------------
// Gets handle to a speaker sink contained by specified stream or bound stream.
// -----------------------------------------------------------------------------
//
CMceSpeakerSink* MusEngMceUtils::GetSpeaker( CMceMediaStream& aStream )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::GetSpeaker()" )
CMceSpeakerSink* speaker = NULL;
if ( aStream.Type() == KMceAudio )
{
speaker = static_cast<CMceSpeakerSink*>(
MusEngMceUtils::GetMediaSink( aStream, KMceSpeakerSink ) );
if ( !speaker && aStream.BoundStream() )
{
CMceMediaStream* boundStream = NULL;
TRAPD( error, boundStream = &aStream.BoundStreamL() )
if ( error == KErrNone )
{
speaker = static_cast<CMceSpeakerSink*>(
MusEngMceUtils::GetMediaSink( *boundStream,
KMceSpeakerSink ) );
}
}
}
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::GetSpeaker()" )
return speaker;
}
// -----------------------------------------------------------------------------
// Gets handle to a camera source.
// -----------------------------------------------------------------------------
//
CMceCameraSource* MusEngMceUtils::GetCameraL( CMceSession& aSession )
{
// Camera can be only in out stream
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::GetCameraL()" )
CMceVideoStream* videoOut = MusEngMceUtils::GetVideoOutStreamL( aSession );
if ( !( videoOut->Source() &&
videoOut->Source()->Type() == KMceCameraSource ) )
{
User::Leave( KErrNotFound );
}
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::GetCameraL()" )
return static_cast<CMceCameraSource*>( videoOut->Source() );
}
// -----------------------------------------------------------------------------
// Gets handle to a file source.
// -----------------------------------------------------------------------------
//
CMceFileSource* MusEngMceUtils::GetFileSourceL( CMceSession& aSession )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::GetFileSourceL()" )
CMceVideoStream* videoOut = MusEngMceUtils::GetVideoOutStreamL( aSession );
if ( !( videoOut->Source() &&
videoOut->Source()->Type() == KMceFileSource ) )
{
User::Leave( KErrNotFound );
}
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::GetFileSourceL()" )
return static_cast<CMceFileSource*>( videoOut->Source() );
}
// -----------------------------------------------------------------------------
// Gets handle to a display sink.
// -----------------------------------------------------------------------------
//
CMceDisplaySink* MusEngMceUtils::GetDisplay( CMceSession& aSession )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::GetDisplay()" )
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::GetDisplay()" )
return static_cast<CMceDisplaySink*>(
MusEngMceUtils::GetMediaSink( aSession, KMceDisplaySink ) );
}
// -----------------------------------------------------------------------------
// Gets handle to a display sink.
// -----------------------------------------------------------------------------
//
CMceDisplaySink* MusEngMceUtils::GetDisplayL( CMceSession& aSession )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::GetDisplayL()" )
CMceDisplaySink* display = MusEngMceUtils::GetDisplay( aSession );
__ASSERT_ALWAYS( display, User::Leave( KErrNotFound ) );
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::GetDisplayL()" )
return display;
}
// -----------------------------------------------------------------------------
// Adds display sink to specified stream if one does not exist already.
// Display rect is set in both cases.
// -----------------------------------------------------------------------------
//
void MusEngMceUtils::AddDisplayL( CMceMediaStream& aStream,
CMceManager& aManager,
const TRect& aDisplayRect )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::AddDisplayL()" )
__ASSERT_ALWAYS( aStream.Type() == KMceVideo, User::Leave( KErrArgument ) );
CMceDisplaySink* display = static_cast<CMceDisplaySink*>(
MusEngMceUtils::GetMediaSink(
aStream,
KMceDisplaySink ) );
if ( !display )
{
display = CMceDisplaySink::NewLC( aManager );
aStream.AddSinkL( display );
CleanupStack::Pop( display );
}
display->SetDisplayRectL( aDisplayRect );
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::AddDisplayL()" )
}
// -----------------------------------------------------------------------------
// Adds display sink to specified stream if one does not exist already.
// -----------------------------------------------------------------------------
//
void MusEngMceUtils::AddSpeakerL( CMceMediaStream& aStream )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::AddSpeakerL()" )
__ASSERT_ALWAYS( aStream.Type() == KMceAudio, User::Leave( KErrArgument ) );
CMceSpeakerSink* speaker = static_cast<CMceSpeakerSink*>(
MusEngMceUtils::GetMediaSink(
aStream,
KMceSpeakerSink ) );
if ( !speaker )
{
speaker = CMceSpeakerSink::NewLC();
aStream.AddSinkL( speaker );
CleanupStack::Pop( speaker );
}
MUS_LOG( "mus: [ENGINE] <- MusEngMceUtils::AddSpeakerL()" )
}
// -----------------------------------------------------------------------------
// Disables parameter stream, its' source and all the sinks.
// -----------------------------------------------------------------------------
//
void MusEngMceUtils::DisableStreamL( CMceMediaStream& aStream )
{
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::DisableStreamL()" )
aStream.DisableL();
if ( aStream.Source() )
{
aStream.Source()->DisableL();
}
for ( TInt sinkIndex = 0; sinkIndex < aStream.Sinks().Count(); ++sinkIndex )
{
aStream.Sinks()[ sinkIndex ]->DisableL();
}
MUS_LOG( "mus: [ENGINE] -> MusEngMceUtils::DisableStreamL()" )
}