--- a/camerauis/cameraxui/cxengine/src/cxevideocapturecontrolsymbian.cpp Thu May 13 21:30:19 2010 +0300
+++ b/camerauis/cameraxui/cxengine/src/cxevideocapturecontrolsymbian.cpp Thu Jul 15 01:44:30 2010 +0300
@@ -14,19 +14,22 @@
* Description:
*
*/
+
+#include <algorithm>
+#include <exception>
#include <QTime>
-#include <fbs.h>
#include <QPixmap>
#include <coemain.h>
#include <QStringList>
-#include <AudioPreference.h>
+#include "cxeexception.h"
#include "cxevideocapturecontrolsymbian.h"
#include "cxevideorecorderutilitysymbian.h"
#include "cxecameradevicecontrolsymbian.h"
#include "cxefilenamegeneratorsymbian.h"
#include "cxeerrormappingsymbian.h"
#include "cxeviewfindercontrol.h"
+#include "cxesnapshotcontrol.h"
#include "cxestillimagesymbian.h"
#include "cxecameradevice.h"
#include "cxutils.h"
@@ -47,26 +50,11 @@
// constants
namespace
{
- // Controller UId, can be used by the client to identify the controller, e.g. if the custom command can be used
- const TUid KCamCControllerImplementationUid = {0x101F8503};
// TMMFEvent UIDs for Async stop
const TUid KCamCControllerCCVideoRecordStopped = {0x2000E546};
const TUid KCamCControllerCCVideoFileComposed = {0x2000E547};
- // Custom command for setting a new filename without closing & reopening the controller
- enum TCamCControllerCustomCommands
- {
- ECamCControllerCCNewFilename = 0,
- ECamCControllerCCVideoStopAsync
- };
-
- const TInt KOneSecond = 1000000;
- const int KMaintainAspectRatio = false;
const TInt64 KMinRequiredSpaceVideo = 4000000;
- const uint KOneMillion = 1000000;
- const qreal KMetaDataCoeff = 1.03; // Coefficient to estimate metadata amount
- const uint KCamCMaxClipDurationInSecs = 5400; // Maximun video clip duration in seconds
- const qreal KCMRAvgVideoBitRateScaler = 0.9; // avg video bit rate scaler
}
@@ -76,6 +64,7 @@
CxeVideoCaptureControlSymbian::CxeVideoCaptureControlSymbian(
CxeCameraDevice &cameraDevice,
CxeViewfinderControl &viewfinderControl,
+ CxeSnapshotControl &snapshotControl,
CxeCameraDeviceControl &cameraDeviceControl,
CxeFilenameGenerator &nameGenerator,
CxeSettings &settings,
@@ -86,12 +75,14 @@
mCameraDevice(cameraDevice),
mCameraDeviceControl(cameraDeviceControl),
mViewfinderControl(viewfinderControl),
+ mSnapshotControl(snapshotControl),
mFilenameGenerator(nameGenerator),
mSettings(settings),
mQualityPresets(qualityPresets),
mDiskMonitor(diskMonitor),
mSnapshot(),
- mNewFileName(""),
+ mVideoStartSoundPlayer(NULL),
+ mVideoStopSoundPlayer(NULL),
mCurrentFilename("")
{
CX_DEBUG_ENTER_FUNCTION();
@@ -118,23 +109,26 @@
this, SLOT(prepareForRelease()) );
connect(&cameraDevice, SIGNAL(cameraAllocated(CxeError::Id)),
this, SLOT(handleCameraAllocated(CxeError::Id)));
+
// connect playing sound signals
connect(mVideoStartSoundPlayer, SIGNAL(playComplete(int)),
this, SLOT(handleSoundPlayed()));
+ // connect snapshot ready signal
+ connect(&mSnapshotControl, SIGNAL(snapshotReady(CxeError::Id, const QPixmap&)),
+ this, SLOT(handleSnapshotReady(CxeError::Id, const QPixmap&)));
+
// enabling setting change callbacks to videocapturecontrol
connect(&mSettings, SIGNAL(settingValueChanged(const QString&,QVariant)),
this, SLOT(handleSettingValueChanged(const QString&,QVariant)));
-
- connect(&mSettings, SIGNAL(sceneChanged(CxeScene&)), this, SLOT(handleSceneChanged(CxeScene&)));
-
+ connect(&mSettings, SIGNAL(sceneChanged(CxeScene&)),
+ this, SLOT(handleSceneChanged(CxeScene&)));
OstTrace0(camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_CREATE_M2, "msg: e_CX_ENGINE_CONNECT_SIGNALS 0");
OstTrace0(camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_CREATE_OUT, "msg: e_CX_VIDEOCAPTURECONTROL_NEW 0");
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* CxeVideoCaptureControlSymbian::~CxeVideoCaptureControlSymbian()
*/
@@ -150,7 +144,6 @@
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Initializes resources for video recording.
*/
@@ -168,11 +161,9 @@
}
OstTrace0( camerax_performance, DUP1_CXEVIDEOCAPTURECONTROLSYMBIAN_INIT, "msg: e_CX_VIDEO_CAPCONT_INIT 0" );
-
CX_DEBUG_EXIT_FUNCTION();
}
-
/*
* Releases all resources
*/
@@ -180,39 +171,31 @@
{
CX_DEBUG_ENTER_FUNCTION();
- if(state() == Idle) {
- // nothing to do
- return;
- }
+ // Nothing to do if already idle.
+ if(state() != Idle) {
+ OstTrace0( camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_DEINIT, "msg: e_CX_VIDEO_CAPCONT_DEINIT 1" );
- OstTrace0( camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_DEINIT, "msg: e_CX_VIDEO_CAPCONT_DEINIT 1" );
+ // first stop viewfinder
+ mViewfinderControl.stop();
- // first stop viewfinder
- mViewfinderControl.stop();
-
- // stop video-recording in-case if its ongoing.
- stop();
+ // stop video-recording in-case if its ongoing.
+ stop();
- if (mCameraDevice.cameraSnapshot()) {
- mCameraDevice.cameraSnapshot()->StopSnapshot();
- }
+ mSnapshotControl.stop();
- if (mVideoRecorder) {
- mVideoRecorder->Close();
- }
+ if (mVideoRecorder) {
+ mVideoRecorder->close();
+ }
- // revert back the new filename to empty string so that we generate a new file name
- // when we init again
- mNewFileName = QString("");
+ mCurrentFilename = QString("");
- setState(Idle);
+ setState(Idle);
- OstTrace0( camerax_performance, DUP1_CXEVIDEOCAPTURECONTROLSYMBIAN_DEINIT, "msg: e_CX_VIDEO_CAPCONT_DEINIT 0" );
-
+ OstTrace0( camerax_performance, DUP1_CXEVIDEOCAPTURECONTROLSYMBIAN_DEINIT, "msg: e_CX_VIDEO_CAPCONT_DEINIT 0" );
+ }
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Intializes VideoRecorder for recording.
*/
@@ -220,52 +203,28 @@
{
CX_DEBUG_ENTER_FUNCTION();
- if (state() != Idle) {
- // not valid state to start "open" operation
- return;
- }
-
- if(!mVideoRecorder) {
- // if video recorder is not created, do it now.
- createVideoRecorder();
- }
-
- // update current video quality details from icm
- CxeError::Id err = getVideoQualityDetails(mCurrentVideoDetails);
+ // Init needed only in Idle state
+ if (state() == Idle) {
+ try {
+ // if video recorder is not created, do it now.
+ createVideoRecorder();
- if (!err) {
- // read videofile mime type
- QByteArray videoFileData =
- mCurrentVideoDetails.mVideoFileMimeType.toLatin1();
- TPtrC8 videoFileMimeType(reinterpret_cast<const TUint8*>
- (videoFileData.constData()), videoFileData.size());
+ // update current video quality details from icm.
+ // Throws an error if unable to get the quality.
+ getVideoQualityDetails(mCurrentVideoDetails);
- // read preferred supplier
- TPtrC16 supplier(reinterpret_cast<const TUint16*>
- (mCurrentVideoDetails.mPreferredSupplier.utf16()));
-
- err = findVideoController(videoFileMimeType, supplier);
-
- if (!err) {
- // video recorder is ready to open video file for recording.
+ // Video recorder is ready to open video file for recording.
setState(Initialized);
open();
+ } catch (const std::exception &e) {
+ // Handle error
+ handlePrepareFailed();
}
- } else {
- err = CxeErrorHandlingSymbian::map(KErrNotReady);
- }
-
- if (err) {
- // In case of error
- emit videoPrepareComplete(err);
- deinit();
}
CX_DEBUG_EXIT_FUNCTION();
}
-
-
/*!
* Opens file for video recording.
*/
@@ -273,92 +232,53 @@
{
CX_DEBUG_ENTER_FUNCTION();
- if (state() != Initialized) {
- // not valid state to start "open" operation
- return;
- }
-
- CxeError::Id err = CxeError::None;
+ // Check valid state to start "open" operation
+ if (state() == Initialized) {
+ try {
+ // generate video file name, if necessary
+ generateFilename();
+ CX_DEBUG(( "Next video file path: %s", mCurrentFilename.toAscii().constData() ));
- // generate video file name, if necessary
- if (mNewFileName.isEmpty()) {
- QStringList list = mCurrentVideoDetails.mVideoFileMimeType.split("/");
- QString fileExt(".");
- if (list.count() == 2) {
- fileExt = fileExt + list[1];
- }
- // Generate new filename and open the file for writing video data
- err = mFilenameGenerator.generateFilename(mNewFileName, fileExt);
- if (err == CxeError::None) {
- mCurrentFilename = mNewFileName;
- } else {
- // file name is not valid, re-initialize the value of current string
- // back to empty string
- mCurrentFilename = QString("");
- }
- }
+ // Start preparing..
+ setState(CxeVideoCaptureControl::Preparing);
- if (!err &&
- mVideoRecorder &&
- !mCurrentFilename.isEmpty()) {
-
- TPtrC16 fName(reinterpret_cast<const TUint16*>(mCurrentFilename.utf16()));
- CX_DEBUG(( "Next video file path: %s", mCurrentFilename.toAscii().constData() ));
-
- // read video codec mime type
- QByteArray videoCodecData =
- mCurrentVideoDetails.mVideoCodecMimeType.toLatin1();
- TPtrC8 videoCodecMimeType(reinterpret_cast<const TUint8*>
- (videoCodecData.constData()), videoCodecData.size());
-
- setState(CxeVideoCaptureControl::Preparing);
-
- TRAPD(openErr, mVideoRecorder->OpenFileL(fName,
- mCameraDevice.camera()->Handle(),
- mVideoControllerUid,
- mVideoFormatUid,
- videoCodecMimeType,
- audioType(mCurrentVideoDetails.mAudioType)));
-
- err = CxeErrorHandlingSymbian::map(openErr);
- }
- if (err) {
- // error occured.
- deinit();
- emit videoPrepareComplete(err);
+ // Exception thrown if open fails.
+ mVideoRecorder->open(mCameraDevice.camera()->Handle(),
+ mCurrentFilename,
+ mCurrentVideoDetails.mVideoFileMimeType,
+ mCurrentVideoDetails.mPreferredSupplier,
+ mCurrentVideoDetails.mVideoCodecMimeType,
+ mCurrentVideoDetails.mAudioType);
+ } catch (const std::exception &e) {
+ handlePrepareFailed();
+ }
}
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
-* Prepare Video Recorder with necessary settings for video capture.
+* Helper method for generating filename.
+* Throws exception, if file type mime is formatted wrong or
+* filename generation fails.
*/
-TFourCC CxeVideoCaptureControlSymbian::audioType(const QString& str)
+void CxeVideoCaptureControlSymbian::generateFilename()
{
CX_DEBUG_ENTER_FUNCTION();
-
- QByteArray audioType = str.toAscii();
-
- quint8 char1(' ');
- quint8 char2(' ');
- quint8 char3(' ');
- quint8 char4(' ');
+ mCurrentFilename = QString("");
- if (audioType.count() > 3) {
- char1 = audioType[0];
- char2 = audioType[1];
- char3 = audioType[2];
+ QStringList list = mCurrentVideoDetails.mVideoFileMimeType.split("/");
+ // Throw exception if mime string is formatted wrong.
+ if (list.count() != 2) {
+ throw new CxeException(CxeError::General);
+ }
+ QString fileExt = "." + list[1];
- if (audioType.count() == 4) {
- char4 = audioType[3];
- }
- }
+ // Generate new filename and open the file for writing video data
+ CxeException::throwIfError(mFilenameGenerator.generateFilename(mCurrentFilename, fileExt));
- return TFourCC(char1, char2, char3, char4);
+ CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Prepare Video Recorder with necessary settings for video capture.
*/
@@ -371,13 +291,8 @@
return;
}
- CX_DEBUG(("Video resoulution (%d,%d)", mCurrentVideoDetails.mWidth,
- mCurrentVideoDetails.mHeight));
- CX_DEBUG(("Video bitrate = %d)", mCurrentVideoDetails.mVideoBitRate));
-
OstTrace0(camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_PREPARE, "msg: e_CX_VIDCAPCONT_PREPARE 1");
- TSize frameSize;
- frameSize.SetSize(mCurrentVideoDetails.mWidth, mCurrentVideoDetails.mHeight);
+ QSize frameSize(mCurrentVideoDetails.mWidth, mCurrentVideoDetails.mHeight);
int muteSetting = 0; // audio enabled
mSettings.get(CxeSettingIds::VIDEO_MUTE_SETTING, muteSetting);
@@ -390,227 +305,65 @@
frameRate = mCurrentVideoDetails.mVideoFrameRate;
}
+ CX_DEBUG(("Video resolution (%d,%d)", mCurrentVideoDetails.mWidth,
+ mCurrentVideoDetails.mHeight));
+ CX_DEBUG(("Video bitrate = %d)", mCurrentVideoDetails.mVideoBitRate));
CX_DEBUG(("Video frame rate = %d)", frameRate));
- TRAPD(err,
- {
- mVideoRecorder->SetVideoFrameSizeL(frameSize);
- mVideoRecorder->SetVideoFrameRateL(frameRate);
- mVideoRecorder->SetVideoBitRateL(mCurrentVideoDetails.mVideoBitRate);
- mVideoRecorder->SetAudioEnabledL(muteSetting == 0);
- // "No limit" value is handled in video recorder wrapper.
- mVideoRecorder->SetMaxClipSizeL(mCurrentVideoDetails.mMaximumSizeInBytes);
- }
- );
+ try {
+ mVideoRecorder->setVideoFrameSize(frameSize);
+ mVideoRecorder->setVideoFrameRate(frameRate);
+ mVideoRecorder->setVideoBitRate(mCurrentVideoDetails.mVideoBitRate);
+ mVideoRecorder->setAudioEnabled(muteSetting == 0);
+ // "No limit" value is handled in video recorder wrapper.
+ mVideoRecorder->setVideoMaxSize(mCurrentVideoDetails.mMaximumSizeInBytes);
+
+ // Settings have been applied successfully, start to prepare.
+ mVideoRecorder->prepare();
- if (!err) {
- // settings have been applied successfully, start to prepare
- mVideoRecorder->Prepare();
- // prepare snapshot
- err = prepareVideoSnapshot();
+ // Prepare snapshot. Snapshot control throws error if problems.
+ QSize snapshotSize = mSnapshotControl.calculateSnapshotSize(
+ mViewfinderControl.deviceDisplayResolution(),
+ QSize(mCurrentVideoDetails.mWidth, mCurrentVideoDetails.mHeight));
+ mSnapshotControl.start(snapshotSize);
+
+ // Prepare zoom only when there are no errors during prepare.
+ emit prepareZoomForVideo();
+ emit videoPrepareComplete(CxeError::None);
+ } catch (const std::exception &e) {
+ // Handle error.
+ handlePrepareFailed();
}
- if (!err) {
- // prepare zoom only when there are no errors during prepare.
- emit prepareZoomForVideo();
- }
- // emit video prepare status
- emit videoPrepareComplete(CxeErrorHandlingSymbian::map(err));
-
OstTrace0(camerax_performance, DUP1_CXEVIDEOCAPTURECONTROLSYMBIAN_PREPARE, "msg: e_CX_VIDCAPCONT_PREPARE 0");
-
CX_DEBUG_EXIT_FUNCTION();
}
-
-
/*!
-Fetches video qualites details based on video quality setting.
-Returns CxeError codes if any.
+* Fetches video qualites details based on video quality setting.
*/
-CxeError::Id
+void
CxeVideoCaptureControlSymbian::getVideoQualityDetails(CxeVideoDetails &videoInfo)
{
CX_DEBUG_ENTER_FUNCTION();
- int videoQuality = 0;
- CxeError::Id err = CxeError::None;
-
- if (mCameraDeviceControl.cameraIndex() == Cxe::PrimaryCameraIndex) {
- err = mSettings.get(CxeSettingIds::VIDEO_QUALITY, videoQuality);
-
- bool validQuality = (videoQuality >= 0 &&
- videoQuality < mIcmSupportedVideoResolutions.count());
- if (err == CxeError::None && validQuality) {
- // get video quality details
- videoInfo = mIcmSupportedVideoResolutions.at(videoQuality);
- } else {
- // not valid video quality
- err = CxeError::NotFound;
- }
- } else {
- // get secondary camera video quality index
- if (mIcmSupportedVideoResolutions.count() > 0) {
- videoInfo = mIcmSupportedVideoResolutions.at(videoQuality);
- } else {
- // not valid video quality
- err = CxeError::NotFound;
- }
- }
-
- CX_DEBUG_EXIT_FUNCTION();
-
- return err;
-}
-
+ int quality(0);
-/**!
- Prepare snapshot
- Returns symbian error code.
- */
-int CxeVideoCaptureControlSymbian::prepareVideoSnapshot()
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- CCamera::CCameraSnapshot *cameraSnapshot = mCameraDevice.cameraSnapshot();
- CX_ASSERT_ALWAYS(cameraSnapshot);
-
- int err = KErrNone;
- // Whether or not we have postcapture on, we need the snapshot for Thumbnail Manager.
- if (cameraSnapshot) {
- // Cancel active snapshot
- cameraSnapshot->StopSnapshot();
-
- // Prepare snapshot
- CCamera::TFormat snapFormat = CCamera::EFormatFbsBitmapColor16MU;
- TRAP(err, cameraSnapshot->PrepareSnapshotL(snapFormat,
- getSnapshotSize(),
- KMaintainAspectRatio));
- CX_DEBUG(("PrepareSnapshotL done, err=%d", err));
- // Start snapshot if no errors encountered.
- if (err == KErrNone) {
- CX_DEBUG(("Start video snapshot"));
- cameraSnapshot->StartSnapshot();
- }
- } else {
- // No snapshot interface available. Report error.
- // Assert above takes care of this, but keeping this as an option.
- err = KErrNotReady;
+ // Get quality index for primary camera. Only one quality for secondary camera.
+ if (mCameraDeviceControl.cameraIndex() == Cxe::PrimaryCameraIndex) {
+ CxeException::throwIfError(mSettings.get(CxeSettingIds::VIDEO_QUALITY, quality));
}
- CX_DEBUG_EXIT_FUNCTION();
-
- return err;
-}
-
-
-
-/*!
-* Returns snapshot size. Snapshot size is calculated based on the
-* display resolution and current video aspect ratio.
-*/
-TSize CxeVideoCaptureControlSymbian::getSnapshotSize() const
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- TSize snapshotSize;
-
- QSize deviceResolution = mViewfinderControl.deviceDisplayResolution();
- QSize size = QSize(mCurrentVideoDetails.mWidth, mCurrentVideoDetails.mHeight);
-
- // scale according to aspect ratio.
- size.scale(deviceResolution.width(),
- deviceResolution.height(),
- Qt::KeepAspectRatio);
- CX_DEBUG(("Video Snapshot size, (%d,%d)", size.width(), size.height()));
- snapshotSize.SetSize(size.width(), deviceResolution.height());
-
- CX_DEBUG_EXIT_FUNCTION();
-
- return snapshotSize;
-}
-
-
-
-/**!
-* Camera events coming from ecam.
-*/
-void CxeVideoCaptureControlSymbian::handleCameraEvent(int eventUid, int error)
-{
- CX_DEBUG_ENTER_FUNCTION();
- if (eventUid == KUidECamEventSnapshotUidValue) {
- handleSnapshotEvent(CxeErrorHandlingSymbian::map(error));
- }
- CX_DEBUG_EXIT_FUNCTION();
-}
-
-
-/*!
-* Handle Snapshot event from ecam
-*/
-void CxeVideoCaptureControlSymbian::handleSnapshotEvent(CxeError::Id error)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- if (state() == Idle) {
- // we ignore this event, when we are not in active state(s)
- CX_DEBUG(( "wrong state, ignoring snapshot" ));
- CX_DEBUG_EXIT_FUNCTION();
- return;
+ if (quality < 0 || quality >= mIcmSupportedVideoResolutions.count()) {
+ throw new CxeException(CxeError::NotFound);
}
- if (error) {
- mSnapshot = QPixmap();
- emit snapshotReady(error, mSnapshot, filename());
- return;
- }
-
- RArray<TInt> snapList;
- MCameraBuffer* buffer(NULL);
- // Note: Cleanup not required in this function
- CFbsBitmap *snapshot = NULL;
- TRAPD(snapErr,
- buffer = &mCameraDevice.cameraSnapshot()->SnapshotDataL(snapList));
- if (!snapErr) {
- TInt firstImageIndex = snapList.Find(0);
- snapList.Close();
- TRAP(snapErr, snapshot = &(buffer->BitmapL(firstImageIndex)));
- }
- if (!snapErr) {
- TSize size = snapshot->SizeInPixels();
- TInt sizeInWords = size.iHeight * CFbsBitmap::ScanLineLength(size.iWidth, EColor16MU)
- / sizeof(TUint32);
-
- TUint32 *snapshotData = NULL;
- snapshotData = new TUint32[sizeInWords];
-
- if (snapshotData) {
- // Convert to QImage
- snapshot->LockHeap();
- TUint32* dataPtr = snapshot->DataAddress();
- memcpy(snapshotData, dataPtr, sizeof(TUint32) * sizeInWords);
- snapshot->UnlockHeap();
-
-
- QImage *img = new QImage((uchar*) snapshotData, size.iWidth, size.iHeight,
- CFbsBitmap::ScanLineLength(size.iWidth, EColor16MU),
- QImage::Format_RGB32);
-
- mSnapshot = QPixmap::fromImage(*img);
- delete [] snapshotData;
- delete img;
- }
- }
- if (buffer) {
- buffer->Release();
- }
- // Snapshot ready
- emit snapshotReady(CxeErrorHandlingSymbian::map(snapErr), mSnapshot, filename());
+ // get video quality details
+ videoInfo = mIcmSupportedVideoResolutions.at(quality);
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Resets the video snapshot and current video filename
*/
@@ -627,7 +380,6 @@
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Returns current video filename
*/
@@ -639,7 +391,6 @@
return mCurrentFilename;
}
-
/*!
* Returns current video snapshot
*/
@@ -648,7 +399,6 @@
return mSnapshot;
}
-
/*!
* Starts video recording if we are in appropriate state.
*/
@@ -666,30 +416,23 @@
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Pauses video recording.
*/
void CxeVideoCaptureControlSymbian::pause()
{
CX_DEBUG_ENTER_FUNCTION();
-
- setState(CxeVideoCaptureControl::Paused);
- TRAPD(pauseErr, mVideoRecorder->PauseL());
- // play the sound, but not changing the state
- mVideoStopSoundPlayer->play();
- if (pauseErr) {
- CX_DEBUG(("[WARNING] Error %d pausing!", pauseErr));
- //pause operation failed, report it
- emit videoComposed(CxeErrorHandlingSymbian::map(pauseErr), filename());
- // release resources.
- deinit();
+ try {
+ mVideoRecorder->pause();
+ setState(CxeVideoCaptureControl::Paused);
+ // play the sound, but not changing the state
+ mVideoStopSoundPlayer->play();
+ } catch (const std::exception &e) {
+ handleComposeFailed(qt_symbian_exception2Error(e));
}
-
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Stops video recording.
*/
@@ -701,35 +444,30 @@
// first stop viewfinder
mViewfinderControl.stop();
- TInt asyncStopErr = mVideoRecorder->CustomCommandSync(
- TMMFMessageDestination(KCamCControllerImplementationUid,
- KMMFObjectHandleController),
- ECamCControllerCCVideoStopAsync,
- KNullDesC8,
- KNullDesC8 );
- CX_DEBUG(("ECamCControllerCCVideoStopAsync sent, err=%d", asyncStopErr));
- if (asyncStopErr) { // fall back to synchronous stop
- TInt syncStopErr = mVideoRecorder->Stop();
- if (syncStopErr) {
- // error during stop operation, release resources
- emit videoComposed(CxeErrorHandlingSymbian::map(asyncStopErr), filename());
- deinit();
- } else {
- // stop operation went fine, set back the state to Initialized.
+ try {
+ // Try asynchronous stopping first.
+ mVideoRecorder->stop(true);
+ // No error from asynchronous stop -> wait for stop event
+ setState(Stopping);
+ } catch (const std::exception &e) {
+ CX_DEBUG(("CxeVideoCaptureControlSymbian - async stop failed, try sync.."));
+ try {
+ mVideoRecorder->stop(false);
+ // stop operation went fine, set back the state to Initialized.
setState(Initialized);
+ // must increment counter now since no callback is coming in sync stop
mFilenameGenerator.raiseCounterValue();
+ } catch (const std::exception &e) {
+ // Even synchronous stopping failed -> release resources.
+ CX_DEBUG(("CxeVideoCaptureControlSymbian - sync stop failed, too!"));
+ handleComposeFailed(qt_symbian_exception2Error(e));
}
- } else {
- // No error from asynch stop custom command... wait for stop event
- setState(Stopping);
- mFilenameGenerator.raiseCounterValue();
}
}
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Callback when "Open" operation is complete.
*/
@@ -739,20 +477,16 @@
CX_DEBUG(("CxeVideoCaptureControlSymbian::MvruoOpenComplete, err=%d", aError));
if (state() == Preparing) {
- if (aError != KErrNone) {
- deinit();
- CxeError::Id err = CxeErrorHandlingSymbian::map(KErrNotReady);
- // report error to interested parties
- emit videoPrepareComplete(CxeErrorHandlingSymbian::map(err));
+ if (!aError) {
+ prepare();
} else {
- prepare();
+ handlePrepareFailed();
}
}
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Callback when "Prepare" request is complete.
*/
@@ -767,17 +501,13 @@
mViewfinderControl.start();
OstTrace0( camerax_performance, CXEVIDEOCAPTURECONTROLSYMBIAN_GOTOVIDEO, "msg: e_CX_GO_TO_VIDEO_MODE 0" );
} else {
- deinit();
- // report error to interested parties
- CxeError::Id err = CxeErrorHandlingSymbian::map(KErrNotReady);
- emit videoPrepareComplete(CxeErrorHandlingSymbian::map(err));
+ handlePrepareFailed();
}
}
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Callback when "Record" operation is complete.
*/
@@ -799,14 +529,12 @@
}
else {
// error during recording, report to client
- deinit();
- emit videoComposed(CxeErrorHandlingSymbian::map(aError), filename());
+ handleComposeFailed(aError);
}
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Callback from MVideoRecorderUtilityObserver
*/
@@ -824,11 +552,9 @@
// stop operation went fine, set back the state to intialized.
setState(Initialized);
}
+ mFilenameGenerator.raiseCounterValue();
// video file has composed, everything went well, inform the client
emit videoComposed(CxeError::None, filename());
- // revert back the new filename to empty string, since recording
- // is complete and we need to generate a new file name
- mNewFileName = QString("");
} else {
CX_DEBUG(("ignoring unknown MvruoEvent 0x%08x", aEvent.iEventType.iUid ));
}
@@ -836,85 +562,6 @@
CX_DEBUG_EXIT_FUNCTION();
}
-
-/*!
-Get corresponding controller for video capture.
-@param aMimeType denotes videofile mimetype,
-@param aPreferredSupplier denotes supplier.
-Returns CxeError::Id if any.
-*/
-CxeError::Id
-CxeVideoCaptureControlSymbian::findVideoController(const TDesC8& aMimeType,
- const TDesC& aSupplier)
-{
- CX_DEBUG_ENTER_FUNCTION();
-
- CX_DEBUG(("video file mime type : %s", &aMimeType));
- CX_DEBUG(("supplier name: %s", &aSupplier));
-
- mVideoControllerUid.iUid = 0;
- mVideoFormatUid.iUid = 0;
-
- // Retrieve a list of possible controllers from ECOM.
- // Controller must support recording the requested mime type.
- // Controller must be provided by preferred supplier.
-
- CMMFControllerPluginSelectionParameters* cSelect(NULL);
- CMMFFormatSelectionParameters* fSelect(NULL);
- RMMFControllerImplInfoArray controllers;
-
- TRAPD(err, cSelect = CMMFControllerPluginSelectionParameters::NewL());
- if (err) {
- return CxeErrorHandlingSymbian::map(err);
- }
-
- TRAP(err, fSelect = CMMFFormatSelectionParameters::NewL());
- if (err) {
- if(cSelect) {
- delete cSelect;
- }
- return CxeErrorHandlingSymbian::map(err);
- }
-
- TRAP( err, {
- fSelect->SetMatchToMimeTypeL(aMimeType);
- cSelect->SetRequiredRecordFormatSupportL(*fSelect);
- cSelect->SetPreferredSupplierL(aSupplier,
- CMMFPluginSelectionParameters::EOnlyPreferredSupplierPluginsReturned);
- cSelect->ListImplementationsL(controllers);
- } );
-
- if (!err && controllers.Count() >= 1) {
- // KErrNotFound is returned unless a controller is found
- err = KErrNotFound;
- // Get the controller UID.
- mVideoControllerUid = controllers[0]->Uid();
-
- // Inquires the controller about supported formats.
- // We use the first controller found having index 0.
- RMMFFormatImplInfoArray formats;
- formats = controllers[0]->RecordFormats();
-
- // Get the first format that supports our mime type.
- int count = formats.Count();
- for (int i=0; i<count; i++) {
- if (formats[i]->SupportsMimeType(aMimeType)) {
- mVideoFormatUid = formats[i]->Uid(); // set the UID
- err = KErrNone;
- break;
- }
- }
- }
- delete cSelect;
- delete fSelect;
- controllers.ResetAndDestroy();
-
- CX_DEBUG_EXIT_FUNCTION();
-
- return CxeErrorHandlingSymbian::map(err);
-}
-
-
/*!
* camera reference changing, release resources
*/
@@ -935,19 +582,24 @@
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
-* new camera available,
+* new camera available
*/
void CxeVideoCaptureControlSymbian::handleCameraAllocated(CxeError::Id error)
{
CX_DEBUG_ENTER_FUNCTION();
if (!error) {
- // initialize the video recorder utility
- createVideoRecorder();
+ try {
+ // Create the video recorder utility
+ createVideoRecorder();
+ } catch (...) {
+ // We are just trying to create the recorder early.
+ // Retry later when preparing, and fail then if
+ // error still persists.
+ }
// new camera available, read supported video qualities from icm
- // load all still qualities supported by icm
+ // load all video qualities supported by icm
mIcmSupportedVideoResolutions.clear();
Cxe::CameraIndex cameraIndex = mCameraDeviceControl.cameraIndex();
// get list of supported image qualities based on camera index
@@ -958,34 +610,21 @@
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
* Initializes video recorder.
+* May throw exception.
*/
void CxeVideoCaptureControlSymbian::createVideoRecorder()
{
CX_DEBUG_ENTER_FUNCTION();
-
- // init video recoder
- if (state() == CxeVideoCaptureControl::Idle) {
- if (mVideoRecorder == NULL) {
- TRAPD(initErr, mVideoRecorder =
- new CxeVideoRecorderUtilitySymbian( *this ,
- KAudioPriorityVideoRecording,
- TMdaPriorityPreference( KAudioPrefVideoRecording )));
- if (initErr) {
- CX_DEBUG(("WARNING - VideoRecorderUtility could not be reserved. Failed with err:%d", initErr));
- mVideoRecorder = NULL;
- }
- }
+ if (mVideoRecorder == NULL) {
+ mVideoRecorder = new CxeVideoRecorderUtilitySymbian(*this);
}
-
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
-* releases resources used by videocapture
+* releases resources used by video capture control
*/
void CxeVideoCaptureControlSymbian::releaseResources()
{
@@ -1013,18 +652,16 @@
CX_DEBUG_EXIT_FUNCTION();
}
-
/*!
-Returns current state of videocapture
+* Returns current state of video capture control
*/
CxeVideoCaptureControl::State CxeVideoCaptureControlSymbian::state() const
{
return static_cast<CxeVideoCaptureControl::State> (stateId());
}
-
/*!
-* slot called when state is changed.
+* Called when state is changed.
*/
void CxeVideoCaptureControlSymbian::handleStateChanged(int newStateId, CxeError::Id error)
{
@@ -1047,7 +684,6 @@
emit stateChanged(static_cast<State> (newStateId), error);
}
-
/*!
* Initialize states for videocapturecontrol
*/
@@ -1066,7 +702,6 @@
setInitialState(Idle);
}
-
/*!
* Updates remaining video recordng time counter to all the video qualities supported by ICM
* this should be done whenever storage location setting changes and when values are
@@ -1078,7 +713,7 @@
for( int index = 0; index < mIcmSupportedVideoResolutions.count(); index++) {
CxeVideoDetails &qualityDetails = mIcmSupportedVideoResolutions[index];
- calculateRemainingTime(qualityDetails, qualityDetails.mRemainingTime);
+ qualityDetails.mRemainingTime = calculateRemainingTime(qualityDetails);
}
CX_DEBUG_EXIT_FUNCTION();
@@ -1093,14 +728,12 @@
if (state() == CxeVideoCaptureControl::Recording ||
state() == CxeVideoCaptureControl::Paused) {
- TTimeIntervalMicroSeconds remaining = 0;
- remaining = mVideoRecorder->RecordTimeAvailable();
- time = remaining.Int64() * 1.0 / KOneSecond;
- CX_DEBUG(( "timeRemaining2: %d", time ));
+ time = mVideoRecorder->availableRecordingTime();
+ CX_DEBUG(("CxeVideoCaptureControlSymbian - time remaining: %d", time));
} else {
// Check if we need to recalculate the remaining time.
if (mCurrentVideoDetails.mRemainingTime == CxeVideoDetails::UNKNOWN) {
- calculateRemainingTime(mCurrentVideoDetails, mCurrentVideoDetails.mRemainingTime);
+ mCurrentVideoDetails.mRemainingTime = calculateRemainingTime(mCurrentVideoDetails);
}
time = mCurrentVideoDetails.mRemainingTime;
}
@@ -1108,99 +741,41 @@
CX_DEBUG_EXIT_FUNCTION();
}
-
-
/*!
-* algorithm to calculate remaining recording time
-@ param videoDetails contains the current video resolution that is in use.
-@ time contains the remaining recording time
+* Get the remaining recording time
+* @param videoDetails Contains the current video resolution that is in use.
+* @return The remaining recording time
*/
-void CxeVideoCaptureControlSymbian::calculateRemainingTime(CxeVideoDetails videoDetails, int &time)
+int CxeVideoCaptureControlSymbian::calculateRemainingTime(const CxeVideoDetails& videoDetails)
{
CX_DEBUG_ENTER_FUNCTION();
-
- TTimeIntervalMicroSeconds remaining = 0;
-
- // get available space in the drive selected in the settings
- // for storing videos
- qint64 availableSpace = mDiskMonitor.free();
-
- availableSpace = availableSpace - KMinRequiredSpaceVideo;
-
- // Maximum clip size may be limited for mms quality.
- // If mMaximumSizeInBytes == 0, no limit is specified.
- if (videoDetails.mMaximumSizeInBytes > 0 && videoDetails.mMaximumSizeInBytes < availableSpace) {
- availableSpace = videoDetails.mMaximumSizeInBytes;
- }
-
- // Use average audio/video bitrates to estimate remaining time
- quint32 averageBitRate = 0;
- quint32 averageByteRate = 0;
- qreal scaler = mQualityPresets.avgVideoBitRateScaler();
-
- if (scaler == 0) {
- // video bit rate scaler is 0, use the constant value
- scaler = KCMRAvgVideoBitRateScaler;
- }
-
- int avgVideoBitRate = (videoDetails.mVideoBitRate * scaler);
- int avgAudioBitRate = videoDetails.mAudioBitRate;
-
- int muteSetting = 0; // audio enabled
- mSettings.get(CxeSettingIds::VIDEO_MUTE_SETTING, muteSetting);
-
- if (muteSetting == 1) {
- // audio disabled from setting. hence no audio
- avgAudioBitRate = 0;
- }
-
- averageBitRate = (quint32)(
- (avgVideoBitRate + avgAudioBitRate) * KMetaDataCoeff);
-
- averageByteRate = averageBitRate / 8;
-
- if (availableSpace <= 0) {
- remaining = 0;
- } else {
- // converting microseconds to seconds
- remaining = availableSpace * KOneMillion / averageByteRate;
- if ( (remaining.Int64()) > (quint64(KCamCMaxClipDurationInSecs) * KOneMillion) ) {
- remaining = (quint64(KCamCMaxClipDurationInSecs) * KOneMillion);
- }
- }
- if ( remaining <= quint64(0) ) {
- remaining = 0;
- }
-
- time = remaining.Int64() * 1.0 / KOneSecond;
-
- CX_DEBUG(( "remaining time from algorithm: %d", time ));
-
+ qint64 availableSpace = mDiskMonitor.free() - KMinRequiredSpaceVideo;
+ int time = mQualityPresets.recordingTimeAvailable(videoDetails, availableSpace);
CX_DEBUG_EXIT_FUNCTION();
+ return time;
}
-
/*!
-* Calculates remaining recording time during video recording
+* Calculates elapsed recording time during video recording
+* @return Did fetching elapsed time succeed.
*/
bool CxeVideoCaptureControlSymbian::elapsedTime(int &time)
{
CX_DEBUG_ENTER_FUNCTION();
- TTimeIntervalMicroSeconds timeElapsed = 0;
bool ok = false;
if (state() == CxeVideoCaptureControl::Recording ||
state() == CxeVideoCaptureControl::Paused) {
- TRAPD( err, timeElapsed = mVideoRecorder->DurationL() );
- if (!err) {
- time = timeElapsed.Int64() * 1.0 / KOneSecond;
- CX_DEBUG(("timeElapsed2: %d", time));
+ try {
+ time = mVideoRecorder->duration();
+ CX_DEBUG(("CxeVideoCaptureControlSymbian - elapsed: %d", time));
ok = true;
+ } catch (const std::exception &e) {
+ // Returning false.
}
}
CX_DEBUG_EXIT_FUNCTION();
-
return ok;
}
@@ -1214,8 +789,7 @@
// start recording, if we were playing capture sound
if (state() == CxeVideoCaptureControl::PlayingStartSound) {
setState(CxeVideoCaptureControl::Recording);
-
- mVideoRecorder->Record();
+ mVideoRecorder->record();
}
// in case of video capture stop sound playing, nothing needs to be done
@@ -1224,6 +798,23 @@
CX_DEBUG_EXIT_FUNCTION();
}
+/*!
+* Handle new snapshot.
+* @param status Status code for getting the snapshot.
+* @param snapshot Snapshot pixmap. Empty if error code reported.
+*/
+void CxeVideoCaptureControlSymbian::handleSnapshotReady(CxeError::Id status, const QPixmap& snapshot)
+{
+ CX_DEBUG_ENTER_FUNCTION();
+
+ if (mCameraDeviceControl.mode() == Cxe::VideoMode) {
+ // Need to store snapshot for ui to be able to get it also later.
+ mSnapshot = snapshot;
+ emit snapshotReady(status, snapshot, filename());
+ }
+
+ CX_DEBUG_EXIT_FUNCTION();
+}
/*!
* setting has changed, check if we are interested.
@@ -1247,7 +838,7 @@
// mute setting changed, apply the new setting and re-prepare.
setState(Preparing);
prepare();
- } else if (settingId == CxeSettingIds::FRAME_RATE){
+ } else if (settingId == CxeSettingIds::FRAME_RATE) {
// Frame rate setting changed. Need to re-prepare if we are prepared already.
// Otherwise can wait for next init call.
if (state() == Ready) {
@@ -1268,6 +859,7 @@
*/
void CxeVideoCaptureControlSymbian::handleSceneChanged(CxeScene& scene)
{
+ Q_UNUSED(scene)
CX_DEBUG_ENTER_FUNCTION();
// make sure we are in video mode
@@ -1293,8 +885,7 @@
// Ignore updates on preparing phase.
if (state() == CxeVideoCaptureControl::Ready) {
- int time(0);
- calculateRemainingTime(mCurrentVideoDetails, time);
+ int time(calculateRemainingTime(mCurrentVideoDetails));
if (time != mCurrentVideoDetails.mRemainingTime) {
mCurrentVideoDetails.mRemainingTime = time;
@@ -1316,4 +907,32 @@
return mIcmSupportedVideoResolutions;
}
+/*!
+* Helper method to handle error during preparing phase.
+*/
+void CxeVideoCaptureControlSymbian::handlePrepareFailed()
+{
+ CX_DEBUG_ENTER_FUNCTION();
+ CX_DEBUG(("[ERROR] Preparing video failed!"));
+ // Cleanup
+ deinit();
+ // Inform client
+ emit videoPrepareComplete(CxeError::InitializationFailed);
+ CX_DEBUG_EXIT_FUNCTION();
+}
+
+/*!
+* Helper method to handle error from video composing.
+* @param error Symbian error code.
+*/
+void CxeVideoCaptureControlSymbian::handleComposeFailed(int error)
+{
+ CX_DEBUG_ENTER_FUNCTION();
+ CX_DEBUG(("[ERROR] Composing video failed!"));
+ // Inform client
+ emit videoComposed(CxeErrorHandlingSymbian::map(error), filename());
+ // Cleanup
+ deinit();
+ CX_DEBUG_EXIT_FUNCTION();
+}
// End of file