diff options
Diffstat (limited to 'camera/BaseCameraAdapter.cpp')
| -rw-r--r-- | camera/BaseCameraAdapter.cpp | 2329 |
1 files changed, 2329 insertions, 0 deletions
diff --git a/camera/BaseCameraAdapter.cpp b/camera/BaseCameraAdapter.cpp new file mode 100644 index 0000000..309e547 --- /dev/null +++ b/camera/BaseCameraAdapter.cpp @@ -0,0 +1,2329 @@ +/* + * Copyright (C) Texas Instruments - http://www.ti.com/ + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + + + +#define LOG_TAG "CameraHAL" + +#include "BaseCameraAdapter.h" + +namespace android { + +/*--------------------Camera Adapter Class STARTS here-----------------------------*/ + +BaseCameraAdapter::BaseCameraAdapter() +{ + mReleaseImageBuffersCallback = NULL; + mEndImageCaptureCallback = NULL; + mErrorNotifier = NULL; + mEndCaptureData = NULL; + mReleaseData = NULL; + mRecording = false; + + mPreviewBuffers = NULL; + mPreviewBufferCount = 0; + mPreviewBuffersLength = 0; + + mVideoBuffers = NULL; + mVideoBuffersCount = 0; + mVideoBuffersLength = 0; + + mCaptureBuffers = NULL; + mCaptureBuffersCount = 0; + mCaptureBuffersLength = 0; + + mPreviewDataBuffers = NULL; + mPreviewDataBuffersCount = 0; + mPreviewDataBuffersLength = 0; + + mAdapterState = INTIALIZED_STATE; + +#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS + mStartFocus.tv_sec = 0; + mStartFocus.tv_usec = 0; + mStartCapture.tv_sec = 0; + mStartCapture.tv_usec = 0; +#endif + +} + +BaseCameraAdapter::~BaseCameraAdapter() +{ + LOG_FUNCTION_NAME; + + Mutex::Autolock lock(mSubscriberLock); + + mFrameSubscribers.clear(); + mImageSubscribers.clear(); + mRawSubscribers.clear(); + mVideoSubscribers.clear(); + mFocusSubscribers.clear(); + mShutterSubscribers.clear(); + mZoomSubscribers.clear(); + mFaceSubscribers.clear(); + + LOG_FUNCTION_NAME_EXIT; +} + +status_t BaseCameraAdapter::registerImageReleaseCallback(release_image_buffers_callback callback, void *user_data) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + mReleaseImageBuffersCallback = callback; + mReleaseData = user_data; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::registerEndCaptureCallback(end_image_capture_callback callback, void *user_data) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + mEndImageCaptureCallback= callback; + mEndCaptureData = user_data; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::setErrorHandler(ErrorNotifier *errorNotifier) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + if ( NULL == errorNotifier ) + { + CAMHAL_LOGEA("Invalid Error Notifier reference"); + ret = -EINVAL; + } + + if ( NO_ERROR == ret ) + { + mErrorNotifier = errorNotifier; + } + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +void BaseCameraAdapter::enableMsgType(int32_t msgs, frame_callback callback, event_callback eventCb, void* cookie) +{ + Mutex::Autolock lock(mSubscriberLock); + + LOG_FUNCTION_NAME; + + if ( CameraFrame::PREVIEW_FRAME_SYNC == msgs ) + { + mFrameSubscribers.add((int) cookie, callback); + } + else if ( CameraFrame::FRAME_DATA_SYNC == msgs ) + { + mFrameDataSubscribers.add((int) cookie, callback); + } + else if ( CameraFrame::IMAGE_FRAME == msgs) + { + mImageSubscribers.add((int) cookie, callback); + } + else if ( CameraFrame::RAW_FRAME == msgs) + { + mRawSubscribers.add((int) cookie, callback); + } + else if ( CameraFrame::VIDEO_FRAME_SYNC == msgs) + { + mVideoSubscribers.add((int) cookie, callback); + } + else if ( CameraHalEvent::ALL_EVENTS == msgs) + { + mFocusSubscribers.add((int) cookie, eventCb); + mShutterSubscribers.add((int) cookie, eventCb); + mZoomSubscribers.add((int) cookie, eventCb); + mFaceSubscribers.add((int) cookie, eventCb); + } + else + { + CAMHAL_LOGEA("Message type subscription no supported yet!"); + } + + LOG_FUNCTION_NAME_EXIT; +} + +void BaseCameraAdapter::disableMsgType(int32_t msgs, void* cookie) +{ + Mutex::Autolock lock(mSubscriberLock); + + LOG_FUNCTION_NAME; + + if ( CameraFrame::PREVIEW_FRAME_SYNC == msgs ) + { + mFrameSubscribers.removeItem((int) cookie); + } + else if ( CameraFrame::FRAME_DATA_SYNC == msgs ) + { + mFrameDataSubscribers.removeItem((int) cookie); + } + else if ( CameraFrame::IMAGE_FRAME == msgs) + { + mImageSubscribers.removeItem((int) cookie); + } + else if ( CameraFrame::RAW_FRAME == msgs) + { + mRawSubscribers.removeItem((int) cookie); + } + else if ( CameraFrame::VIDEO_FRAME_SYNC == msgs) + { + mVideoSubscribers.removeItem((int) cookie); + } + else if ( CameraFrame::ALL_FRAMES == msgs ) + { + mFrameSubscribers.removeItem((int) cookie); + mFrameDataSubscribers.removeItem((int) cookie); + mImageSubscribers.removeItem((int) cookie); + mRawSubscribers.removeItem((int) cookie); + mVideoSubscribers.removeItem((int) cookie); + } + else if ( CameraHalEvent::ALL_EVENTS == msgs) + { + //Subscribe only for focus + //TODO: Process case by case + mFocusSubscribers.removeItem((int) cookie); + mShutterSubscribers.removeItem((int) cookie); + mZoomSubscribers.removeItem((int) cookie); + mFaceSubscribers.removeItem((int) cookie); + } + else + { + CAMHAL_LOGEB("Message type 0x%x subscription no supported yet!", msgs); + } + + LOG_FUNCTION_NAME_EXIT; +} + +void BaseCameraAdapter::addFramePointers(void *frameBuf, void *buf) +{ + unsigned int *pBuf = (unsigned int *)buf; + Mutex::Autolock lock(mSubscriberLock); + + if ((frameBuf != NULL) && ( pBuf != NULL) ) + { + CameraFrame *frame = new CameraFrame; + frame->mBuffer = frameBuf; + frame->mYuv[0] = pBuf[0]; + frame->mYuv[1] = pBuf[1]; + mFrameQueue.add(frameBuf, frame); + + CAMHAL_LOGVB("Adding Frame=0x%x Y=0x%x UV=0x%x", frame->mBuffer, frame->mYuv[0], frame->mYuv[1]); + } +} + +void BaseCameraAdapter::removeFramePointers() +{ + Mutex::Autolock lock(mSubscriberLock); + + int size = mFrameQueue.size(); + CAMHAL_LOGVB("Removing %d Frames = ", size); + for (int i = 0; i < size; i++) + { + CameraFrame *frame = (CameraFrame *)mFrameQueue.valueAt(i); + CAMHAL_LOGVB("Free Frame=0x%x Y=0x%x UV=0x%x", frame->mBuffer, frame->mYuv[0], frame->mYuv[1]); + delete frame; + } + mFrameQueue.clear(); +} + +void BaseCameraAdapter::returnFrame(void* frameBuf, CameraFrame::FrameType frameType) +{ + status_t res = NO_ERROR; + size_t subscriberCount = 0; + int refCount = -1; + + if ( NULL == frameBuf ) + { + CAMHAL_LOGEA("Invalid frameBuf"); + return; + } + + if ( NO_ERROR == res) + { + Mutex::Autolock lock(mReturnFrameLock); + + refCount = getFrameRefCount(frameBuf, frameType); + + if(frameType == CameraFrame::PREVIEW_FRAME_SYNC) + { + mFramesWithDisplay--; + } + else if(frameType == CameraFrame::VIDEO_FRAME_SYNC) + { + mFramesWithEncoder--; + } + + if ( 0 < refCount ) + { + + refCount--; + setFrameRefCount(frameBuf, frameType, refCount); + + + if ( mRecording && (CameraFrame::VIDEO_FRAME_SYNC == frameType) ) { + refCount += getFrameRefCount(frameBuf, CameraFrame::PREVIEW_FRAME_SYNC); + } else if ( mRecording && (CameraFrame::PREVIEW_FRAME_SYNC == frameType) ) { + refCount += getFrameRefCount(frameBuf, CameraFrame::VIDEO_FRAME_SYNC); + } else if ( mRecording && (CameraFrame::SNAPSHOT_FRAME == frameType) ) { + refCount += getFrameRefCount(frameBuf, CameraFrame::VIDEO_FRAME_SYNC); + } + + + } + else + { + CAMHAL_LOGDA("Frame returned when ref count is already zero!!"); + return; + } + } + + CAMHAL_LOGVB("REFCOUNT 0x%x %d", frameBuf, refCount); + + if ( NO_ERROR == res ) + { + //check if someone is holding this buffer + if ( 0 == refCount ) + { +#ifdef DEBUG_LOG + if(mBuffersWithDucati.indexOfKey((int)frameBuf)>=0) + { + ALOGE("Buffer already with Ducati!! 0x%x", frameBuf); + for(int i=0;i<mBuffersWithDucati.size();i++) ALOGE("0x%x", mBuffersWithDucati.keyAt(i)); + } + mBuffersWithDucati.add((int)frameBuf,1); +#endif + res = fillThisBuffer(frameBuf, frameType); + } + } + +} + +status_t BaseCameraAdapter::sendCommand(CameraCommands operation, int value1, int value2, int value3) +{ + status_t ret = NO_ERROR; + struct timeval *refTimestamp; + BuffersDescriptor *desc = NULL; + CameraFrame *frame = NULL; + + LOG_FUNCTION_NAME; + + switch ( operation ) { + case CameraAdapter::CAMERA_USE_BUFFERS_PREVIEW: + CAMHAL_LOGDA("Use buffers for preview"); + desc = ( BuffersDescriptor * ) value1; + + if ( NULL == desc ) + { + CAMHAL_LOGEA("Invalid preview buffers!"); + return -EINVAL; + } + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + Mutex::Autolock lock(mPreviewBufferLock); + mPreviewBuffers = (int *) desc->mBuffers; + mPreviewBuffersLength = desc->mLength; + mPreviewBuffersAvailable.clear(); + for ( uint32_t i = 0 ; i < desc->mMaxQueueable ; i++ ) + { + mPreviewBuffersAvailable.add(mPreviewBuffers[i], 0); + } + // initial ref count for undeqeueued buffers is 1 since buffer provider + // is still holding on to it + for ( uint32_t i = desc->mMaxQueueable ; i < desc->mCount ; i++ ) + { + mPreviewBuffersAvailable.add(mPreviewBuffers[i], 1); + } + } + + if ( NULL != desc ) + { + ret = useBuffers(CameraAdapter::CAMERA_PREVIEW, + desc->mBuffers, + desc->mCount, + desc->mLength, + desc->mMaxQueueable); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + case CameraAdapter::CAMERA_USE_BUFFERS_PREVIEW_DATA: + CAMHAL_LOGDA("Use buffers for preview data"); + desc = ( BuffersDescriptor * ) value1; + + if ( NULL == desc ) + { + CAMHAL_LOGEA("Invalid preview data buffers!"); + return -EINVAL; + } + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + Mutex::Autolock lock(mPreviewDataBufferLock); + mPreviewDataBuffers = (int *) desc->mBuffers; + mPreviewDataBuffersLength = desc->mLength; + mPreviewDataBuffersAvailable.clear(); + for ( uint32_t i = 0 ; i < desc->mMaxQueueable ; i++ ) + { + mPreviewDataBuffersAvailable.add(mPreviewDataBuffers[i], 0); + } + // initial ref count for undeqeueued buffers is 1 since buffer provider + // is still holding on to it + for ( uint32_t i = desc->mMaxQueueable ; i < desc->mCount ; i++ ) + { + mPreviewDataBuffersAvailable.add(mPreviewDataBuffers[i], 1); + } + } + + if ( NULL != desc ) + { + ret = useBuffers(CameraAdapter::CAMERA_MEASUREMENT, + desc->mBuffers, + desc->mCount, + desc->mLength, + desc->mMaxQueueable); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + case CameraAdapter::CAMERA_USE_BUFFERS_IMAGE_CAPTURE: + CAMHAL_LOGDA("Use buffers for image capture"); + desc = ( BuffersDescriptor * ) value1; + + if ( NULL == desc ) + { + CAMHAL_LOGEA("Invalid capture buffers!"); + return -EINVAL; + } + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + Mutex::Autolock lock(mCaptureBufferLock); + mCaptureBuffers = (int *) desc->mBuffers; + mCaptureBuffersLength = desc->mLength; + mCaptureBuffersAvailable.clear(); + for ( uint32_t i = 0 ; i < desc->mMaxQueueable ; i++ ) + { + mCaptureBuffersAvailable.add(mCaptureBuffers[i], 0); + } + // initial ref count for undeqeueued buffers is 1 since buffer provider + // is still holding on to it + for ( uint32_t i = desc->mMaxQueueable ; i < desc->mCount ; i++ ) + { + mCaptureBuffersAvailable.add(mCaptureBuffers[i], 1); + } + } + + if ( NULL != desc ) + { + ret = useBuffers(CameraAdapter::CAMERA_IMAGE_CAPTURE, + desc->mBuffers, + desc->mCount, + desc->mLength, + desc->mMaxQueueable); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + case CameraAdapter::CAMERA_START_SMOOTH_ZOOM: + { + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = startSmoothZoom(value1); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_STOP_SMOOTH_ZOOM: + { + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = stopSmoothZoom(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_START_PREVIEW: + { + + CAMHAL_LOGDA("Start Preview"); + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = startPreview(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_STOP_PREVIEW: + { + + CAMHAL_LOGDA("Stop Preview"); + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = stopPreview(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_START_VIDEO: + { + + CAMHAL_LOGDA("Start video recording"); + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = startVideoCapture(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_STOP_VIDEO: + { + + CAMHAL_LOGDA("Stop video recording"); + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = stopVideoCapture(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_PREVIEW_FLUSH_BUFFERS: + { + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = flushBuffers(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_START_IMAGE_CAPTURE: + { + +#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS + + refTimestamp = ( struct timeval * ) value1; + if ( NULL != refTimestamp ) + { + memcpy( &mStartCapture, refTimestamp, sizeof( struct timeval )); + } + +#endif + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = takePicture(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_STOP_IMAGE_CAPTURE: + { + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = stopImageCapture(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_START_BRACKET_CAPTURE: + { + +#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS + + refTimestamp = ( struct timeval * ) value2; + if ( NULL != refTimestamp ) + { + memcpy( &mStartCapture, refTimestamp, sizeof( struct timeval )); + } + +#endif + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = startBracketing(value1); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_STOP_BRACKET_CAPTURE: + { + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = stopBracketing(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + } + + case CameraAdapter::CAMERA_PERFORM_AUTOFOCUS: + +#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS + + refTimestamp = ( struct timeval * ) value1; + if ( NULL != refTimestamp ) + { + memcpy( &mStartFocus, refTimestamp, sizeof( struct timeval )); + } + +#endif + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = autoFocus(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + case CameraAdapter::CAMERA_CANCEL_AUTOFOCUS: + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + ret = cancelAutoFocus(); + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + case CameraAdapter::CAMERA_QUERY_RESOLUTION_PREVIEW: + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + frame = ( CameraFrame * ) value1; + + if ( NULL != frame ) + { + ret = getFrameSize(frame->mWidth, frame->mHeight); + } + else + { + ret = -EINVAL; + } + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + case CameraAdapter::CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + frame = ( CameraFrame * ) value1; + + if ( NULL != frame ) + { + ret = getPictureBufferSize(frame->mLength, value2); + } + else + { + ret = -EINVAL; + } + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + case CameraAdapter::CAMERA_QUERY_BUFFER_SIZE_PREVIEW_DATA: + + if ( ret == NO_ERROR ) + { + ret = setState(operation); + } + + if ( ret == NO_ERROR ) + { + frame = ( CameraFrame * ) value1; + + if ( NULL != frame ) + { + ret = getFrameDataSize(frame->mLength, value2); + } + else + { + ret = -EINVAL; + } + } + + if ( ret == NO_ERROR ) + { + ret = commitState(); + } + else + { + ret |= rollbackState(); + } + + break; + + case CameraAdapter::CAMERA_START_FD: + + ret = startFaceDetection(); + + break; + + case CameraAdapter::CAMERA_STOP_FD: + + ret = stopFaceDetection(); + + break; + + case CameraAdapter::CAMERA_SWITCH_TO_EXECUTING: + ret = switchToExecuting(); + break; + + default: + CAMHAL_LOGEB("Command 0x%x unsupported!", operation); + break; + }; + + LOG_FUNCTION_NAME_EXIT; + return ret; +} + +status_t BaseCameraAdapter::notifyFocusSubscribers(CameraHalEvent::FocusStatus status) +{ + event_callback eventCb; + CameraHalEvent focusEvent; + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + if ( mFocusSubscribers.size() == 0 ) { + CAMHAL_LOGDA("No Focus Subscribers!"); + return NO_INIT; + } + +#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS + if (status == CameraHalEvent::FOCUS_STATUS_PENDING) { + gettimeofday(&mStartFocus, NULL); + } else { + //dump the AF latency + CameraHal::PPM("Focus finished in: ", &mStartFocus); + } +#endif + + focusEvent.mEventData = new CameraHalEvent::CameraHalEventData(); + if ( NULL == focusEvent.mEventData.get() ) { + return -ENOMEM; + } + + focusEvent.mEventType = CameraHalEvent::EVENT_FOCUS_LOCKED; + focusEvent.mEventData->focusEvent.focusStatus = status; + + for (unsigned int i = 0 ; i < mFocusSubscribers.size(); i++ ) + { + focusEvent.mCookie = (void *) mFocusSubscribers.keyAt(i); + eventCb = (event_callback) mFocusSubscribers.valueAt(i); + eventCb ( &focusEvent ); + } + + focusEvent.mEventData.clear(); + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::notifyShutterSubscribers() +{ + CameraHalEvent shutterEvent; + event_callback eventCb; + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + if ( mShutterSubscribers.size() == 0 ) + { + CAMHAL_LOGEA("No shutter Subscribers!"); + return NO_INIT; + } + + shutterEvent.mEventData = new CameraHalEvent::CameraHalEventData(); + if ( NULL == shutterEvent.mEventData.get() ) { + return -ENOMEM; + } + + shutterEvent.mEventType = CameraHalEvent::EVENT_SHUTTER; + shutterEvent.mEventData->shutterEvent.shutterClosed = true; + + for (unsigned int i = 0 ; i < mShutterSubscribers.size() ; i++ ) { + shutterEvent.mCookie = ( void * ) mShutterSubscribers.keyAt(i); + eventCb = ( event_callback ) mShutterSubscribers.valueAt(i); + + CAMHAL_LOGDA("Sending shutter callback"); + + eventCb ( &shutterEvent ); + } + + shutterEvent.mEventData.clear(); + + LOG_FUNCTION_NAME; + + return ret; +} + +status_t BaseCameraAdapter::notifyZoomSubscribers(int zoomIdx, bool targetReached) +{ + event_callback eventCb; + CameraHalEvent zoomEvent; + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + if ( mZoomSubscribers.size() == 0 ) { + CAMHAL_LOGDA("No zoom Subscribers!"); + return NO_INIT; + } + + zoomEvent.mEventData = new CameraHalEvent::CameraHalEventData(); + if ( NULL == zoomEvent.mEventData.get() ) { + return -ENOMEM; + } + + zoomEvent.mEventType = CameraHalEvent::EVENT_ZOOM_INDEX_REACHED; + zoomEvent.mEventData->zoomEvent.currentZoomIndex = zoomIdx; + zoomEvent.mEventData->zoomEvent.targetZoomIndexReached = targetReached; + + for (unsigned int i = 0 ; i < mZoomSubscribers.size(); i++ ) { + zoomEvent.mCookie = (void *) mZoomSubscribers.keyAt(i); + eventCb = (event_callback) mZoomSubscribers.valueAt(i); + + eventCb ( &zoomEvent ); + } + + zoomEvent.mEventData.clear(); + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::notifyFaceSubscribers(sp<CameraFDResult> &faces) +{ + event_callback eventCb; + CameraHalEvent faceEvent; + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + if ( mFaceSubscribers.size() == 0 ) { + CAMHAL_LOGDA("No face detection subscribers!"); + return NO_INIT; + } + + faceEvent.mEventData = new CameraHalEvent::CameraHalEventData(); + if ( NULL == faceEvent.mEventData.get() ) { + return -ENOMEM; + } + + faceEvent.mEventType = CameraHalEvent::EVENT_FACE; + faceEvent.mEventData->faceEvent = faces; + + for (unsigned int i = 0 ; i < mFaceSubscribers.size(); i++ ) { + faceEvent.mCookie = (void *) mFaceSubscribers.keyAt(i); + eventCb = (event_callback) mFaceSubscribers.valueAt(i); + + eventCb ( &faceEvent ); + } + + faceEvent.mEventData.clear(); + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::sendFrameToSubscribers(CameraFrame *frame) +{ + status_t ret = NO_ERROR; + unsigned int mask; + + if ( NULL == frame ) + { + CAMHAL_LOGEA("Invalid CameraFrame"); + return -EINVAL; + } + + for( mask = 1; mask < CameraFrame::ALL_FRAMES; mask <<= 1){ + if( mask & frame->mFrameMask ){ + switch( mask ){ + + case CameraFrame::IMAGE_FRAME: + { +#if PPM_INSTRUMENTATION || PPM_INSTRUMENTATION_ABS + CameraHal::PPM("Shot to Jpeg: ", &mStartCapture); +#endif + ret = __sendFrameToSubscribers(frame, &mImageSubscribers, CameraFrame::IMAGE_FRAME); + } + break; + case CameraFrame::RAW_FRAME: + { + ret = __sendFrameToSubscribers(frame, &mRawSubscribers, CameraFrame::RAW_FRAME); + } + break; + case CameraFrame::PREVIEW_FRAME_SYNC: + { + ret = __sendFrameToSubscribers(frame, &mFrameSubscribers, CameraFrame::PREVIEW_FRAME_SYNC); + } + break; + case CameraFrame::SNAPSHOT_FRAME: + { + ret = __sendFrameToSubscribers(frame, &mFrameSubscribers, CameraFrame::SNAPSHOT_FRAME); + } + break; + case CameraFrame::VIDEO_FRAME_SYNC: + { + ret = __sendFrameToSubscribers(frame, &mVideoSubscribers, CameraFrame::VIDEO_FRAME_SYNC); + } + break; + case CameraFrame::FRAME_DATA_SYNC: + { + ret = __sendFrameToSubscribers(frame, &mFrameDataSubscribers, CameraFrame::FRAME_DATA_SYNC); + } + break; + default: + CAMHAL_LOGEB("FRAMETYPE NOT SUPPORTED 0x%x", mask); + break; + }//SWITCH + frame->mFrameMask &= ~mask; + + if (ret != NO_ERROR) { + goto EXIT; + } + }//IF + }//FOR + + EXIT: + return ret; +} + +status_t BaseCameraAdapter::__sendFrameToSubscribers(CameraFrame* frame, + KeyedVector<int, frame_callback> *subscribers, + CameraFrame::FrameType frameType) +{ + size_t refCount = 0; + status_t ret = NO_ERROR; + frame_callback callback = NULL; + + frame->mFrameType = frameType; + + if ( (frameType == CameraFrame::PREVIEW_FRAME_SYNC) || + (frameType == CameraFrame::VIDEO_FRAME_SYNC) || + (frameType == CameraFrame::SNAPSHOT_FRAME) ){ + if (mFrameQueue.size() > 0){ + CameraFrame *lframe = (CameraFrame *)mFrameQueue.valueFor(frame->mBuffer); + frame->mYuv[0] = lframe->mYuv[0]; + frame->mYuv[1] = lframe->mYuv[1]; + } + else{ + CAMHAL_LOGDA("Empty Frame Queue"); + return -EINVAL; + } + } + + if (NULL != subscribers) { + refCount = getFrameRefCount(frame->mBuffer, frameType); + + if (refCount == 0) { + CAMHAL_LOGDA("Invalid ref count of 0"); + return -EINVAL; + } + + if (refCount > subscribers->size()) { + CAMHAL_LOGEB("Invalid ref count for frame type: 0x%x", frameType); + return -EINVAL; + } + + CAMHAL_LOGVB("Type of Frame: 0x%x address: 0x%x refCount start %d", + frame->mFrameType, + ( uint32_t ) frame->mBuffer, + refCount); + + for ( unsigned int i = 0 ; i < refCount; i++ ) { + frame->mCookie = ( void * ) subscribers->keyAt(i); + callback = (frame_callback) subscribers->valueAt(i); + + if (!callback) { + CAMHAL_LOGEB("callback not set for frame type: 0x%x", frameType); + return -EINVAL; + } + + callback(frame); + } + } else { + CAMHAL_LOGEA("Subscribers is null??"); + return -EINVAL; + } + + return ret; +} + +int BaseCameraAdapter::setInitFrameRefCount(void* buf, unsigned int mask) +{ + int ret = NO_ERROR; + unsigned int lmask; + + LOG_FUNCTION_NAME; + + if (buf == NULL) + { + return -EINVAL; + } + + for( lmask = 1; lmask < CameraFrame::ALL_FRAMES; lmask <<= 1){ + if( lmask & mask ){ + switch( lmask ){ + + case CameraFrame::IMAGE_FRAME: + { + setFrameRefCount(buf, CameraFrame::IMAGE_FRAME, (int) mImageSubscribers.size()); + } + break; + case CameraFrame::RAW_FRAME: + { + setFrameRefCount(buf, CameraFrame::RAW_FRAME, mRawSubscribers.size()); + } + break; + case CameraFrame::PREVIEW_FRAME_SYNC: + { + setFrameRefCount(buf, CameraFrame::PREVIEW_FRAME_SYNC, mFrameSubscribers.size()); + } + break; + case CameraFrame::SNAPSHOT_FRAME: + { + setFrameRefCount(buf, CameraFrame::SNAPSHOT_FRAME, mFrameSubscribers.size()); + } + break; + case CameraFrame::VIDEO_FRAME_SYNC: + { + setFrameRefCount(buf,CameraFrame::VIDEO_FRAME_SYNC, mVideoSubscribers.size()); + } + break; + case CameraFrame::FRAME_DATA_SYNC: + { + setFrameRefCount(buf, CameraFrame::FRAME_DATA_SYNC, mFrameDataSubscribers.size()); + } + break; + default: + CAMHAL_LOGEB("FRAMETYPE NOT SUPPORTED 0x%x", lmask); + break; + }//SWITCH + mask &= ~lmask; + }//IF + }//FOR + LOG_FUNCTION_NAME_EXIT; + return ret; +} + +int BaseCameraAdapter::getFrameRefCount(void* frameBuf, CameraFrame::FrameType frameType) +{ + int res = -1; + + LOG_FUNCTION_NAME; + + switch ( frameType ) + { + case CameraFrame::IMAGE_FRAME: + case CameraFrame::RAW_FRAME: + { + Mutex::Autolock lock(mCaptureBufferLock); + res = mCaptureBuffersAvailable.valueFor( ( unsigned int ) frameBuf ); + } + break; + case CameraFrame::PREVIEW_FRAME_SYNC: + case CameraFrame::SNAPSHOT_FRAME: + { + Mutex::Autolock lock(mPreviewBufferLock); + res = mPreviewBuffersAvailable.valueFor( ( unsigned int ) frameBuf ); + } + break; + case CameraFrame::FRAME_DATA_SYNC: + { + Mutex::Autolock lock(mPreviewDataBufferLock); + res = mPreviewDataBuffersAvailable.valueFor( ( unsigned int ) frameBuf ); + } + break; + case CameraFrame::VIDEO_FRAME_SYNC: + { + Mutex::Autolock lock(mVideoBufferLock); + res = mVideoBuffersAvailable.valueFor( ( unsigned int ) frameBuf ); + } + break; + default: + break; + }; + + LOG_FUNCTION_NAME_EXIT; + + return res; +} + +void BaseCameraAdapter::setFrameRefCount(void* frameBuf, CameraFrame::FrameType frameType, int refCount) +{ + + LOG_FUNCTION_NAME; + + switch ( frameType ) + { + case CameraFrame::IMAGE_FRAME: + case CameraFrame::RAW_FRAME: + { + Mutex::Autolock lock(mCaptureBufferLock); + mCaptureBuffersAvailable.replaceValueFor( ( unsigned int ) frameBuf, refCount); + } + break; + case CameraFrame::PREVIEW_FRAME_SYNC: + case CameraFrame::SNAPSHOT_FRAME: + { + Mutex::Autolock lock(mPreviewBufferLock); + mPreviewBuffersAvailable.replaceValueFor( ( unsigned int ) frameBuf, refCount); + } + break; + case CameraFrame::FRAME_DATA_SYNC: + { + Mutex::Autolock lock(mPreviewDataBufferLock); + mPreviewDataBuffersAvailable.replaceValueFor( ( unsigned int ) frameBuf, refCount); + } + break; + case CameraFrame::VIDEO_FRAME_SYNC: + { + Mutex::Autolock lock(mVideoBufferLock); + mVideoBuffersAvailable.replaceValueFor( ( unsigned int ) frameBuf, refCount); + } + break; + default: + break; + }; + + LOG_FUNCTION_NAME_EXIT; + +} + +status_t BaseCameraAdapter::startVideoCapture() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + Mutex::Autolock lock(mVideoBufferLock); + + //If the capture is already ongoing, return from here. + if ( mRecording ) + { + ret = NO_INIT; + } + + + if ( NO_ERROR == ret ) + { + + mVideoBuffersAvailable.clear(); + + for ( unsigned int i = 0 ; i < mPreviewBuffersAvailable.size() ; i++ ) + { + mVideoBuffersAvailable.add(mPreviewBuffersAvailable.keyAt(i), 0); + } + + mRecording = true; + } + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::stopVideoCapture() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + if ( !mRecording ) + { + ret = NO_INIT; + } + + if ( NO_ERROR == ret ) + { + for ( unsigned int i = 0 ; i < mVideoBuffersAvailable.size() ; i++ ) + { + void *frameBuf = ( void * ) mVideoBuffersAvailable.keyAt(i); + if( getFrameRefCount(frameBuf, CameraFrame::VIDEO_FRAME_SYNC) > 0) + { + returnFrame(frameBuf, CameraFrame::VIDEO_FRAME_SYNC); + } + } + + mRecording = false; + } + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +//-----------------Stub implementation of the interface ------------------------------ + +status_t BaseCameraAdapter::takePicture() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::stopImageCapture() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::startBracketing(int range) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::stopBracketing() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::autoFocus() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + notifyFocusSubscribers(CameraHalEvent::FOCUS_STATUS_FAIL); + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::cancelAutoFocus() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::startSmoothZoom(int targetIdx) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::stopSmoothZoom() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::startPreview() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::stopPreview() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::useBuffers(CameraMode mode, void* bufArr, int num, size_t length, unsigned int queueable) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::fillThisBuffer(void* frameBuf, CameraFrame::FrameType frameType) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::getFrameSize(size_t &width, size_t &height) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::getFrameDataSize(size_t &dataFrameSize, size_t bufferCount) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::getPictureBufferSize(size_t &length, size_t bufferCount) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::startFaceDetection() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::stopFaceDetection() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::switchToExecuting() +{ + status_t ret = NO_ERROR; + LOG_FUNCTION_NAME; + LOG_FUNCTION_NAME_EXIT; + return ret; +} + +status_t BaseCameraAdapter::setState(CameraCommands operation) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + mLock.lock(); + + switch ( mAdapterState ) + { + + case INTIALIZED_STATE: + + switch ( operation ) + { + + case CAMERA_USE_BUFFERS_PREVIEW: + CAMHAL_LOGDB("Adapter state switch INTIALIZED_STATE->LOADED_PREVIEW_STATE event = 0x%x", + operation); + mNextState = LOADED_PREVIEW_STATE; + break; + + //These events don't change the current state + case CAMERA_QUERY_RESOLUTION_PREVIEW: + case CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: + case CAMERA_QUERY_BUFFER_SIZE_PREVIEW_DATA: + CAMHAL_LOGDB("Adapter state switch INTIALIZED_STATE->INTIALIZED_STATE event = 0x%x", + operation); + mNextState = INTIALIZED_STATE; + break; + + case CAMERA_CANCEL_AUTOFOCUS: + case CAMERA_STOP_BRACKET_CAPTURE: + case CAMERA_STOP_IMAGE_CAPTURE: + ret = INVALID_OPERATION; + break; + + default: + CAMHAL_LOGEB("Adapter state switch INTIALIZED_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case LOADED_PREVIEW_STATE: + + switch ( operation ) + { + + case CAMERA_START_PREVIEW: + CAMHAL_LOGDB("Adapter state switch LOADED_PREVIEW_STATE->PREVIEW_STATE event = 0x%x", + operation); + mNextState = PREVIEW_STATE; + break; + + case CAMERA_STOP_PREVIEW: + CAMHAL_LOGDB("Adapter state switch LOADED_PREVIEW_STATE->INTIALIZED_STATE event = 0x%x", + operation); + mNextState = INTIALIZED_STATE; + break; + + //These events don't change the current state + case CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: + case CAMERA_QUERY_BUFFER_SIZE_PREVIEW_DATA: + case CAMERA_USE_BUFFERS_PREVIEW_DATA: + CAMHAL_LOGDB("Adapter state switch LOADED_PREVIEW_STATE->LOADED_PREVIEW_STATE event = 0x%x", + operation); + mNextState = LOADED_PREVIEW_STATE; + break; + + default: + CAMHAL_LOGDB("Adapter state switch LOADED_PREVIEW Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case PREVIEW_STATE: + + switch ( operation ) + { + + case CAMERA_STOP_PREVIEW: + CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->INTIALIZED_STATE event = 0x%x", + operation); + mNextState = INTIALIZED_STATE; + break; + + case CAMERA_PERFORM_AUTOFOCUS: + CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->AF_STATE event = 0x%x", + operation); + mNextState = AF_STATE; + break; + + case CAMERA_START_SMOOTH_ZOOM: + CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->ZOOM_STATE event = 0x%x", + operation); + mNextState = ZOOM_STATE; + break; + + case CAMERA_USE_BUFFERS_IMAGE_CAPTURE: + CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->LOADED_CAPTURE_STATE event = 0x%x", + operation); + mNextState = LOADED_CAPTURE_STATE; + break; + + case CAMERA_START_VIDEO: + CAMHAL_LOGDB("Adapter state switch PREVIEW_STATE->VIDEO_STATE event = 0x%x", + operation); + mNextState = VIDEO_STATE; + break; + + case CAMERA_CANCEL_AUTOFOCUS: + case CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: + case CAMERA_STOP_SMOOTH_ZOOM: + CAMHAL_LOGDB("Adapter state switch PREVIEW_ACTIVE->PREVIEW_ACTIVE event = 0x%x", + operation); + mNextState = PREVIEW_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch PREVIEW_ACTIVE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case LOADED_CAPTURE_STATE: + + switch ( operation ) + { + + case CAMERA_START_IMAGE_CAPTURE: + CAMHAL_LOGDB("Adapter state switch LOADED_CAPTURE_STATE->CAPTURE_STATE event = 0x%x", + operation); + mNextState = CAPTURE_STATE; + break; + + case CAMERA_START_BRACKET_CAPTURE: + CAMHAL_LOGDB("Adapter state switch LOADED_CAPTURE_STATE->BRACKETING_STATE event = 0x%x", + operation); + mNextState = BRACKETING_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch LOADED_CAPTURE_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case CAPTURE_STATE: + + switch ( operation ) + { + case CAMERA_STOP_IMAGE_CAPTURE: + case CAMERA_STOP_BRACKET_CAPTURE: + CAMHAL_LOGDB("Adapter state switch CAPTURE_STATE->PREVIEW_STATE event = 0x%x", + operation); + mNextState = PREVIEW_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch CAPTURE_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case BRACKETING_STATE: + + switch ( operation ) + { + + case CAMERA_STOP_IMAGE_CAPTURE: + case CAMERA_STOP_BRACKET_CAPTURE: + CAMHAL_LOGDB("Adapter state switch BRACKETING_STATE->PREVIEW_STATE event = 0x%x", + operation); + mNextState = PREVIEW_STATE; + break; + + case CAMERA_START_IMAGE_CAPTURE: + CAMHAL_LOGDB("Adapter state switch BRACKETING_STATE->CAPTURE_STATE event = 0x%x", + operation); + mNextState = CAPTURE_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch BRACKETING_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case AF_STATE: + + switch ( operation ) + { + + case CAMERA_CANCEL_AUTOFOCUS: + CAMHAL_LOGDB("Adapter state switch AF_STATE->PREVIEW_STATE event = 0x%x", + operation); + mNextState = PREVIEW_STATE; + break; + + case CAMERA_START_IMAGE_CAPTURE: + CAMHAL_LOGDB("Adapter state switch AF_STATE->CAPTURE_STATE event = 0x%x", + operation); + mNextState = CAPTURE_STATE; + break; + + case CAMERA_START_SMOOTH_ZOOM: + CAMHAL_LOGDB("Adapter state switch AF_STATE->AF_ZOOM_STATE event = 0x%x", + operation); + mNextState = AF_ZOOM_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch AF_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case ZOOM_STATE: + + switch ( operation ) + { + + case CAMERA_CANCEL_AUTOFOCUS: + CAMHAL_LOGDB("Adapter state switch AF_STATE->PREVIEW_STATE event = 0x%x", + operation); + mNextState = ZOOM_STATE; + break; + + case CAMERA_STOP_SMOOTH_ZOOM: + CAMHAL_LOGDB("Adapter state switch ZOOM_STATE->PREVIEW_STATE event = 0x%x", + operation); + mNextState = PREVIEW_STATE; + break; + + case CAMERA_PERFORM_AUTOFOCUS: + CAMHAL_LOGDB("Adapter state switch ZOOM_STATE->AF_ZOOM_STATE event = 0x%x", + operation); + mNextState = AF_ZOOM_STATE; + break; + + case CAMERA_START_VIDEO: + CAMHAL_LOGDB("Adapter state switch ZOOM_STATE->VIDEO_ZOOM_STATE event = 0x%x", + operation); + mNextState = VIDEO_ZOOM_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch ZOOM_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case VIDEO_STATE: + + switch ( operation ) + { + + case CAMERA_STOP_VIDEO: + CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->PREVIEW_STATE event = 0x%x", + operation); + mNextState = PREVIEW_STATE; + break; + + case CAMERA_PERFORM_AUTOFOCUS: + CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->VIDEO_AF_STATE event = 0x%x", + operation); + mNextState = VIDEO_AF_STATE; + break; + + case CAMERA_START_SMOOTH_ZOOM: + CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->VIDEO_ZOOM_STATE event = 0x%x", + operation); + mNextState = VIDEO_ZOOM_STATE; + break; + + case CAMERA_USE_BUFFERS_IMAGE_CAPTURE: + CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->VIDEO_LOADED_CAPTURE_STATE event = 0x%x", + operation); + mNextState = VIDEO_LOADED_CAPTURE_STATE; + break; + + case CAMERA_QUERY_BUFFER_SIZE_IMAGE_CAPTURE: + CAMHAL_LOGDB("Adapter state switch VIDEO_STATE->VIDEO_STATE event = 0x%x", + operation); + mNextState = VIDEO_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch VIDEO_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case VIDEO_AF_STATE: + + switch ( operation ) + { + + case CAMERA_CANCEL_AUTOFOCUS: + CAMHAL_LOGDB("Adapter state switch VIDEO_AF_STATE->VIDEO_STATE event = 0x%x", + operation); + mNextState = VIDEO_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch VIDEO_AF_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case VIDEO_LOADED_CAPTURE_STATE: + + switch ( operation ) + { + + case CAMERA_START_IMAGE_CAPTURE: + CAMHAL_LOGDB("Adapter state switch LOADED_CAPTURE_STATE->CAPTURE_STATE event = 0x%x", + operation); + mNextState = VIDEO_CAPTURE_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch LOADED_CAPTURE_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case VIDEO_CAPTURE_STATE: + + switch ( operation ) + { + case CAMERA_STOP_IMAGE_CAPTURE: + CAMHAL_LOGDB("Adapter state switch CAPTURE_STATE->PREVIEW_STATE event = 0x%x", + operation); + mNextState = VIDEO_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch CAPTURE_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case AF_ZOOM_STATE: + + switch ( operation ) + { + + case CAMERA_STOP_SMOOTH_ZOOM: + CAMHAL_LOGDB("Adapter state switch AF_ZOOM_STATE->AF_STATE event = 0x%x", + operation); + mNextState = AF_STATE; + break; + + case CAMERA_CANCEL_AUTOFOCUS: + CAMHAL_LOGDB("Adapter state switch AF_ZOOM_STATE->ZOOM_STATE event = 0x%x", + operation); + mNextState = ZOOM_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch AF_ZOOM_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case VIDEO_ZOOM_STATE: + + switch ( operation ) + { + + case CAMERA_STOP_SMOOTH_ZOOM: + CAMHAL_LOGDB("Adapter state switch VIDEO_ZOOM_STATE->VIDEO_STATE event = 0x%x", + operation); + mNextState = VIDEO_STATE; + break; + + case CAMERA_STOP_VIDEO: + CAMHAL_LOGDB("Adapter state switch VIDEO_ZOOM_STATE->ZOOM_STATE event = 0x%x", + operation); + mNextState = ZOOM_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch VIDEO_ZOOM_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + case BRACKETING_ZOOM_STATE: + + switch ( operation ) + { + + case CAMERA_STOP_SMOOTH_ZOOM: + CAMHAL_LOGDB("Adapter state switch BRACKETING_ZOOM_STATE->BRACKETING_STATE event = 0x%x", + operation); + mNextState = BRACKETING_STATE; + break; + + default: + CAMHAL_LOGEB("Adapter state switch BRACKETING_ZOOM_STATE Invalid Op! event = 0x%x", + operation); + ret = INVALID_OPERATION; + break; + + } + + break; + + default: + CAMHAL_LOGEA("Invalid Adapter state!"); + ret = INVALID_OPERATION; + } + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::rollbackToInitializedState() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + while ((getState() != INTIALIZED_STATE) && (ret == NO_ERROR)) { + ret = rollbackToPreviousState(); + } + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::rollbackToPreviousState() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + CameraAdapter::AdapterState currentState = getState(); + + switch (currentState) { + case INTIALIZED_STATE: + return NO_ERROR; + + case PREVIEW_STATE: + ret = sendCommand(CAMERA_STOP_PREVIEW); + break; + + case CAPTURE_STATE: + ret = sendCommand(CAMERA_STOP_IMAGE_CAPTURE); + break; + + case BRACKETING_STATE: + ret = sendCommand(CAMERA_STOP_BRACKET_CAPTURE); + break; + + case AF_STATE: + ret = sendCommand(CAMERA_CANCEL_AUTOFOCUS); + break; + + case ZOOM_STATE: + ret = sendCommand(CAMERA_STOP_SMOOTH_ZOOM); + break; + + case VIDEO_STATE: + ret = sendCommand(CAMERA_STOP_VIDEO); + break; + + case VIDEO_AF_STATE: + ret = sendCommand(CAMERA_CANCEL_AUTOFOCUS); + break; + + case VIDEO_CAPTURE_STATE: + ret = sendCommand(CAMERA_STOP_IMAGE_CAPTURE); + break; + + case AF_ZOOM_STATE: + ret = sendCommand(CAMERA_STOP_SMOOTH_ZOOM); + break; + + case VIDEO_ZOOM_STATE: + ret = sendCommand(CAMERA_STOP_SMOOTH_ZOOM); + break; + + case BRACKETING_ZOOM_STATE: + ret = sendCommand(CAMERA_STOP_SMOOTH_ZOOM); + break; + + default: + CAMHAL_LOGEA("Invalid Adapter state!"); + ret = INVALID_OPERATION; + } + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +//State transition finished successfully. +//Commit the state and unlock the adapter state. +status_t BaseCameraAdapter::commitState() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + mAdapterState = mNextState; + + mLock.unlock(); + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::rollbackState() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + mNextState = mAdapterState; + + mLock.unlock(); + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +// getNextState() and getState() +// publicly exposed functions to retrieve the adapter states +// please notice that these functions are locked +CameraAdapter::AdapterState BaseCameraAdapter::getState() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + Mutex::Autolock lock(mLock); + + LOG_FUNCTION_NAME_EXIT; + + return mAdapterState; +} + +CameraAdapter::AdapterState BaseCameraAdapter::getNextState() +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + Mutex::Autolock lock(mLock); + + LOG_FUNCTION_NAME_EXIT; + + return mNextState; +} + +// getNextState() and getState() +// internal protected functions to retrieve the adapter states +// please notice that these functions are NOT locked to help +// internal functions query state in the middle of state +// transition +status_t BaseCameraAdapter::getState(AdapterState &state) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + state = mAdapterState; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +status_t BaseCameraAdapter::getNextState(AdapterState &state) +{ + status_t ret = NO_ERROR; + + LOG_FUNCTION_NAME; + + state = mNextState; + + LOG_FUNCTION_NAME_EXIT; + + return ret; +} + +void BaseCameraAdapter::onOrientationEvent(uint32_t orientation, uint32_t tilt) +{ + LOG_FUNCTION_NAME; + LOG_FUNCTION_NAME_EXIT; +} +//----------------------------------------------------------------------------- + + + +}; + +/*--------------------Camera Adapter Class ENDS here-----------------------------*/ + |