diff -r 000000000000 -r 876b1a06bc25 plugins/multimedia/symbian/mmf/audiosource/s60audiocapturesession.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/plugins/multimedia/symbian/mmf/audiosource/s60audiocapturesession.cpp	Wed Aug 25 15:49:42 2010 +0300
@@ -0,0 +1,608 @@
+/****************************************************************************
+**
+** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).
+** All rights reserved.
+** Contact: Nokia Corporation (qt-info@nokia.com)
+**
+** This file is part of the Qt Mobility Components.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** No Commercial Usage
+** This file contains pre-release code and may not be distributed.
+** You may use this file in accordance with the terms and conditions
+** contained in the Technology Preview License Agreement accompanying
+** this package.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 2.1 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL included in the
+** packaging of this file.  Please review the following information to
+** ensure the GNU Lesser General Public License version 2.1 requirements
+** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
+**
+** In addition, as a special exception, Nokia gives you certain additional
+** rights.  These rights are described in the Nokia Qt LGPL Exception
+** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
+**
+** If you have questions regarding the use of this file, please contact
+** Nokia at qt-info@nokia.com.
+**
+**
+**
+**
+**
+**
+**
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "s60audiocapturesession.h"
+#include <QtCore/qdebug.h>
+#include <QtCore/qurl.h>
+#include <QDir>
+
+#include <mda/common/audio.h>
+#include <mda/common/resource.h>
+#include <mda/client/utility.h>
+#include <mdaaudiosampleeditor.h>
+#include <mmf/common/mmfcontrollerpluginresolver.h>
+#include <mmf/common/mmfcontroller.h>
+#include <badesca.h>
+#include <bautils.h>
+#include <coemain.h>
+
+_LIT(KAudioDummyFile, "c:\\data\\temp\\temp.wav");
+
+S60AudioCaptureSession::S60AudioCaptureSession(QObject *parent):
+    QObject(parent)
+    , m_recorderUtility(NULL)
+    , m_captureState(ENotInitialized)
+    , m_controllerIdMap(QHash<QString, ControllerData>())
+    , m_audioCodeclist(QHash<QString, CodecData>())
+    , m_error(QMediaRecorder::NoError)
+    , isMuted(false)
+{
+    TRAPD(err, initializeSessionL());
+    setError(err);
+}
+
+void S60AudioCaptureSession::initializeSessionL()
+{
+    m_recorderUtility = CMdaAudioRecorderUtility::NewL(*this, 0, 80,(TMdaPriorityPreference) 0x5210001);
+    updateAudioContainersL();
+    populateAudioCodecsDataL();
+    setDefaultSettings();
+}
+
+void S60AudioCaptureSession::setError(TInt aError)
+{
+    if (aError == KErrNone)
+        return;
+
+    m_error = aError;
+    QMediaRecorder::Error recorderError = fromSymbianErrorToMultimediaError(m_error);
+
+    // TODO: fix to user friendly string at some point
+    // These error string are only dev usable
+    QString symbianError;
+    symbianError.append("Symbian:");
+    symbianError.append(QString::number(m_error));
+    emit error(recorderError, symbianError);
+}
+
+QMediaRecorder::Error S60AudioCaptureSession::fromSymbianErrorToMultimediaError(int error)
+{
+    switch(error) {
+    case KErrNoMemory:
+    case KErrNotFound:
+    case KErrBadHandle:
+    case KErrAbort:
+    case KErrCorrupt:
+    case KErrGeneral:
+    case KErrPathNotFound:
+    case KErrUnknown:
+    case KErrNotReady:
+    case KErrInUse:
+    case KErrAccessDenied:
+    case KErrLocked:
+    case KErrPermissionDenied:
+    case KErrAlreadyExists:
+        return QMediaRecorder::ResourceError;
+    case KErrNotSupported:
+    case KErrArgument:
+        return QMediaRecorder::FormatError;
+    case KErrNone:
+    default:
+        return QMediaRecorder::NoError;
+    }
+}
+
+S60AudioCaptureSession::~S60AudioCaptureSession()
+{
+    delete m_recorderUtility;
+}
+
+QAudioFormat S60AudioCaptureSession::format() const
+{
+    return m_format;
+}
+
+bool S60AudioCaptureSession::setFormat(const QAudioFormat &format)
+{
+    m_format = format;
+    return true;
+}
+
+QStringList S60AudioCaptureSession::supportedAudioCodecs() const
+{
+    return m_audioCodeclist.keys();
+}
+
+QStringList S60AudioCaptureSession::supportedAudioContainers() const
+{
+    return m_controllerIdMap.keys();
+}
+
+QString S60AudioCaptureSession::codecDescription(const QString &codecName)
+{
+    if (m_audioCodeclist.keys().contains(codecName))
+        return m_audioCodeclist.value(codecName).codecDescription;
+    else
+        return QString();
+}
+
+QString S60AudioCaptureSession::audioContainerDescription(const QString &containerName)
+{
+    if (m_controllerIdMap.keys().contains(containerName))
+        return m_controllerIdMap.value(containerName).destinationFormatDescription;
+    else
+        return QString();
+}
+
+bool S60AudioCaptureSession::setAudioCodec(const QString &codecName)
+{
+    QStringList codecs = supportedAudioCodecs();
+    if(codecs.contains(codecName)) {
+        m_format.setCodec(codecName);
+        return true;
+    }
+    return false;
+}
+
+bool S60AudioCaptureSession::setAudioContainer(const QString &containerMimeType)
+{
+    QStringList containers = supportedAudioContainers();
+    if(containers.contains(containerMimeType)) {
+        m_container = containerMimeType;
+        return true;
+    }
+    return false;
+}
+
+QString S60AudioCaptureSession::audioCodec() const
+{
+    return m_format.codec();
+}
+
+QString S60AudioCaptureSession::audioContainer() const
+{
+    return m_container;
+}
+
+QUrl S60AudioCaptureSession::outputLocation() const
+{
+    return m_sink;
+}
+
+bool S60AudioCaptureSession::setOutputLocation(const QUrl& sink)
+{
+    QString filename = QDir::toNativeSeparators(m_sink.toString());
+    TPtrC16 path(reinterpret_cast<const TUint16*>(filename.utf16()));
+    TRAPD(err, BaflUtils::EnsurePathExistsL(CCoeEnv::Static()->FsSession(),path));
+    if (err==KErrNone) {
+        m_sink = sink;
+        setError(err);
+        return true;
+    }else {
+        setError(err);
+        return false;
+    }
+}
+
+qint64 S60AudioCaptureSession::position() const
+{
+    if ((m_captureState != ERecording) || !m_recorderUtility)
+        return 0;
+
+    return m_recorderUtility->Duration().Int64() / 1000;
+}
+
+QString S60AudioCaptureSession::initializeSinkL()
+{
+    if (m_sink.isEmpty())
+        m_sink = generateAudioFilePath();
+    QString sink = QDir::toNativeSeparators(m_sink.toString());
+    int index = sink.lastIndexOf('.');
+    if (index != -1)
+        sink.chop(sink.length()-index);
+
+    sink.append(m_controllerIdMap.value(m_container).fileExtension);
+    return sink;
+}
+
+void S60AudioCaptureSession::record()
+{
+    if (!m_recorderUtility)
+        return;
+
+    if (m_captureState == EInitialized || m_captureState == ERecordComplete) {
+        QString filename = initializeSinkL();
+        TPtrC16 sink(reinterpret_cast<const TUint16*>(filename.utf16()));
+        TUid controllerUid(TUid::Uid(m_controllerIdMap.value(m_container).controllerUid));
+        TUid formatUid(TUid::Uid(m_controllerIdMap.value(m_container).destinationFormatUid));
+        TRAPD(err,
+        if (m_container != "audio/amr")
+            m_recorderUtility->OpenFileL(sink, controllerUid, KNullUid, formatUid);
+        else
+            m_recorderUtility->OpenFileL(sink);
+        );
+        setError(err);
+    }else if (m_captureState == EPaused) {
+        m_recorderUtility->SetPosition(m_pausedPosition);
+        TRAPD(error, m_recorderUtility->RecordL());
+        setError(error);
+        m_captureState = ERecording;
+        emit stateChanged(m_captureState);
+    }
+}
+
+void S60AudioCaptureSession::mute(bool muted)
+{
+    if (!m_recorderUtility)
+        return;
+
+    if (muted)
+        m_recorderUtility->SetGain(0);
+    else
+        m_recorderUtility->SetGain(m_recorderUtility->MaxGain());
+
+    isMuted = muted;
+}
+
+bool S60AudioCaptureSession::muted()
+{
+    return isMuted;
+}
+
+void S60AudioCaptureSession::setDefaultSettings()
+{
+    // Setting AMR to default format if supported
+    if (m_controllerIdMap.count() > 0) {
+        if ( m_controllerIdMap.contains("audio/amr"))
+            m_container = QString("audio/amr");
+        else
+            m_container = m_controllerIdMap.keys()[0];
+    }
+    if (m_audioCodeclist.keys().count() > 0) {
+        if (m_audioCodeclist.keys().contains("AMR")) {
+            m_format.setSampleSize(8);
+            m_format.setChannels(1);
+            m_format.setFrequency(8000);
+            m_format.setSampleType(QAudioFormat::SignedInt);
+            m_format.setCodec("AMR");
+        }else
+            m_format.setCodec(m_audioCodeclist.keys()[0]);
+    }
+}
+
+void S60AudioCaptureSession::pause()
+{
+    if (!m_recorderUtility)
+        return;
+
+    m_pausedPosition = m_recorderUtility->Position();
+    m_recorderUtility->Stop();
+    m_captureState = EPaused;
+    emit stateChanged(m_captureState);
+}
+
+void S60AudioCaptureSession::stop()
+{
+    if (!m_recorderUtility)
+        return;
+
+    m_recorderUtility->Stop();
+    m_recorderUtility->Close();
+    m_captureState = ERecordComplete;
+    emit stateChanged(m_captureState);
+}
+
+void S60AudioCaptureSession::setCaptureDevice(const QString &deviceName)
+{
+    m_captureDevice = deviceName;
+}
+
+void S60AudioCaptureSession::MoscoStateChangeEvent(CBase* aObject,
+        TInt aPreviousState, TInt aCurrentState, TInt aErrorCode)
+{
+    if (aErrorCode==KErrNone) {
+	    TRAPD(err, MoscoStateChangeEventL(aObject, aPreviousState, aCurrentState, NULL));
+	    setError(err);
+	}
+	setError(aErrorCode);
+}
+
+void S60AudioCaptureSession::MoscoStateChangeEventL(CBase* aObject,
+        TInt aPreviousState, TInt aCurrentState, TInt aErrorCode)
+{
+	if (aObject != m_recorderUtility)
+	    return;
+
+		switch(aCurrentState) {
+        case CMdaAudioClipUtility::EOpen: {
+            if(aPreviousState == CMdaAudioClipUtility::ENotReady) {
+                if (m_captureState == EInitializing) {
+                    retrieveSupportedAudioSampleRatesL();
+                    m_recorderUtility->Close();
+                    m_captureState = EInitialized;
+                    emit stateChanged(m_captureState);
+                }else {
+                    applyAudioSettingsL();
+                    m_recorderUtility->SetGain(m_recorderUtility->MaxGain());
+                    m_recorderUtility->RecordL();
+                    m_captureState = EOpenCompelete;
+                    emit stateChanged(m_captureState);
+                    }
+                break;
+            }
+        }
+        case CMdaAudioClipUtility::ENotReady: {
+            m_captureState = EInitialized;
+            emit stateChanged(m_captureState);
+            break;
+        }
+        case CMdaAudioClipUtility::ERecording: {
+            m_captureState = ERecording;
+            emit stateChanged(m_captureState);
+            break;
+        }
+        default: {
+            break;
+        }
+		}
+}
+
+void S60AudioCaptureSession::updateAudioContainersL()
+{
+    CMMFControllerPluginSelectionParameters* pluginParameters =
+    	CMMFControllerPluginSelectionParameters::NewLC();
+	CMMFFormatSelectionParameters* formatParameters =
+		CMMFFormatSelectionParameters::NewLC();
+
+	pluginParameters->SetRequiredRecordFormatSupportL(*formatParameters);
+
+	RArray<TUid> ids;
+	CleanupClosePushL(ids);
+	User::LeaveIfError(ids.Append(KUidMediaTypeAudio));
+
+	pluginParameters->SetMediaIdsL(ids,
+		CMMFPluginSelectionParameters::EAllowOnlySuppliedMediaIds);
+
+	RMMFControllerImplInfoArray controllers;
+	CleanupResetAndDestroyPushL(controllers);
+
+	//Get all audio record controllers/formats that are supported
+	pluginParameters->ListImplementationsL(controllers);
+
+	for (TInt index=0; index<controllers.Count(); index++) {
+		const RMMFFormatImplInfoArray& recordFormats =
+			controllers[index]->RecordFormats();
+		for (TInt j=0; j<recordFormats.Count(); j++) {
+			const CDesC8Array& mimeTypes = recordFormats[j]->SupportedMimeTypes();
+			const CDesC8Array& fileExtensions = recordFormats[j]->SupportedFileExtensions();
+			TInt mimeCount = mimeTypes.Count();
+			TInt fileExtCount = fileExtensions.Count();
+
+			if (mimeCount > 0 && fileExtCount > 0) {
+                TPtrC8 extension = fileExtensions[0];
+                TPtrC8 mimeType = mimeTypes[0];
+                QString type = QString::fromUtf8((char *)mimeType.Ptr(), mimeType.Length());
+
+				if (type != "audio/mp4" && type != "audio/basic") {
+                    ControllerData data;
+                    data.controllerUid = controllers[index]->Uid().iUid;
+                    data.destinationFormatUid = recordFormats[j]->Uid().iUid;
+                    data.destinationFormatDescription = QString::fromUtf16(
+                            recordFormats[j]->DisplayName().Ptr(),
+                            recordFormats[j]->DisplayName().Length());
+                    data.fileExtension = QString::fromUtf8((char *)extension.Ptr(), extension.Length());
+                    m_controllerIdMap[type] = data;
+				}
+			}
+		}
+	}
+	CleanupStack::PopAndDestroy(4);//controllers, ids, formatParameters, pluginParameters
+}
+
+void S60AudioCaptureSession::retrieveSupportedAudioSampleRatesL()
+{
+    if (!m_recorderUtility || m_captureState != EInitializing)
+        return;
+
+    m_supportedSampleRates.clear();
+
+    RArray<TUint> supportedSampleRates;
+    CleanupClosePushL(supportedSampleRates);
+    m_recorderUtility->GetSupportedSampleRatesL(supportedSampleRates);
+    for (TInt j = 0; j < supportedSampleRates.Count(); j++ )
+        m_supportedSampleRates.append(supportedSampleRates[j]);
+
+    CleanupStack::PopAndDestroy(&supportedSampleRates);
+}
+
+QList<int> S60AudioCaptureSession::supportedAudioSampleRates(const QAudioEncoderSettings &settings) const
+{
+    QList<int> supportedSampleRates;
+
+    if (!settings.codec().isEmpty()) {
+        if (settings.codec() == "AMR")
+            supportedSampleRates.append(8000);
+        else
+            supportedSampleRates = m_supportedSampleRates;
+    }else
+        supportedSampleRates = m_supportedSampleRates;
+
+    return supportedSampleRates;
+}
+
+void S60AudioCaptureSession::populateAudioCodecsDataL()
+{
+    if (!m_recorderUtility)
+        return;
+
+    if (m_controllerIdMap.contains("audio/amr")) {
+        CodecData data;
+        data.codecDescription = QString("GSM AMR Codec");
+        m_audioCodeclist[QString("AMR")]=data;
+    }
+    if (m_controllerIdMap.contains("audio/basic")) {
+        CodecData data;
+        data.fourCC = KMMFFourCCCodeALAW;
+        data.codecDescription = QString("Sun/Next ""Au"" audio codec");
+        m_audioCodeclist[QString("AULAW")]=data;
+    }
+    if (m_controllerIdMap.contains("audio/wav")) {
+        CodecData data;
+        data.fourCC = KMMFFourCCCodePCM16;
+        data.codecDescription = QString("Pulse code modulation");
+        m_audioCodeclist[QString("PCM")]=data;
+    }
+    if (m_controllerIdMap.contains("audio/mp4")) {
+        CodecData data;
+        data.fourCC = KMMFFourCCCodeAAC;
+        data.codecDescription = QString("Advanced Audio Codec");
+        m_audioCodeclist[QString("AAC")]=data;
+    }
+
+    // default samplerates
+    m_supportedSampleRates << 96000 << 88200 << 64000 << 48000 << 44100 << 32000 << 24000 << 22050 << 16000 << 12000 << 11025 << 8000;
+    m_captureState = EInitialized;
+    if (m_controllerIdMap.contains("audio/wav") && m_captureState != EInitialized) {
+        TMdaFileClipLocation location;
+        location.iName = KAudioDummyFile();
+        TMdaWavClipFormat format;
+        m_captureState = EInitializing;
+        m_recorderUtility->OpenL(&location, &format);
+    }
+}
+
+void S60AudioCaptureSession::applyAudioSettingsL()
+{
+    if (!m_recorderUtility || m_format.codec() == "AMR")
+        return;
+
+    TFourCC fourCC = m_audioCodeclist.value(m_format.codec()).fourCC;
+
+    if (m_format.codec() == "PCM")
+        fourCC = determinePCMFormat();
+
+    RArray<TFourCC> supportedDataTypes;
+    CleanupClosePushL(supportedDataTypes);
+    m_recorderUtility->GetSupportedDestinationDataTypesL(supportedDataTypes);
+
+    for (TInt k = 0; k < supportedDataTypes.Count(); k++ ) {
+        if (supportedDataTypes[k].FourCC() == fourCC.FourCC()) {
+            m_recorderUtility->SetDestinationDataTypeL(supportedDataTypes[k]);
+            break;
+        }
+    }
+    CleanupStack::PopAndDestroy(&supportedDataTypes);
+
+    RArray<TUint> supportedSampleRates;
+    CleanupClosePushL(supportedSampleRates);
+    m_recorderUtility->GetSupportedSampleRatesL(supportedSampleRates);
+    for (TInt i = 0; i < supportedSampleRates.Count(); i++ ) {
+        TUint supportedSampleRate = supportedSampleRates[i];
+        if (supportedSampleRate == m_format.frequency()) {
+            m_recorderUtility->SetDestinationSampleRateL(m_format.frequency());
+            break;
+        }
+    }
+    CleanupStack::PopAndDestroy(&supportedSampleRates);
+
+    RArray<TUint> supportedChannels;
+    CleanupClosePushL(supportedChannels);
+    m_recorderUtility->GetSupportedNumberOfChannelsL(supportedChannels);
+    for (TInt l = 0; l < supportedChannels.Count(); l++ ) {
+        if (supportedChannels[l] == m_format.channels()) {
+            m_recorderUtility->SetDestinationNumberOfChannelsL(m_format.channels());
+            break;
+        }
+    }
+    CleanupStack::PopAndDestroy(&supportedChannels);
+}
+
+TFourCC S60AudioCaptureSession::determinePCMFormat()
+{
+    TFourCC fourCC;
+
+    if (m_format.sampleSize() == 8) {
+        // 8 bit
+        switch (m_format.sampleType()) {
+        case QAudioFormat::SignedInt: {
+            fourCC.Set(KMMFFourCCCodePCM8);
+            break;
+        }
+        case QAudioFormat::UnSignedInt: {
+            fourCC.Set(KMMFFourCCCodePCMU8);
+            break;
+        }
+        case QAudioFormat::Float:
+        case QAudioFormat::Unknown:
+        default: {
+            fourCC.Set(KMMFFourCCCodePCM8);
+            break;
+        }
+        }
+    } else if (m_format.sampleSize() == 16) {
+        // 16 bit
+        switch (m_format.sampleType()) {
+        case QAudioFormat::SignedInt: {
+            fourCC.Set(m_format.byteOrder()==QAudioFormat::BigEndian?
+                KMMFFourCCCodePCM16B:KMMFFourCCCodePCM16);
+            break;
+        }
+        case QAudioFormat::UnSignedInt: {
+            fourCC.Set(m_format.byteOrder()==QAudioFormat::BigEndian?
+                KMMFFourCCCodePCMU16B:KMMFFourCCCodePCMU16);
+            break;
+        }
+        default: {
+            fourCC.Set(KMMFFourCCCodePCM16);
+            break;
+        }
+        }
+    }
+    return fourCC;
+}
+
+QUrl S60AudioCaptureSession::generateAudioFilePath()
+{
+    QDir outputDir(QDir::rootPath());
+
+    int lastImage = 0;
+    int fileCount = 0;
+    foreach(QString fileName, outputDir.entryList(QStringList() << "testclip_*")) {
+        int imgNumber = fileName.mid(5, fileName.size()-9).toInt();
+        lastImage = qMax(lastImage, imgNumber);
+        if (outputDir.exists(fileName))
+            fileCount+=1;
+    }
+    lastImage+=fileCount;
+    QUrl location(QDir::toNativeSeparators(outputDir.canonicalPath()+QString("/testclip_%1").arg(lastImage+1,4,10,QLatin1Char('0'))));
+    return location;
+}
+