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BaseCameraAdapter.cpp
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BaseCameraAdapter.cpp
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/*
* Copyright (C) 2011 The Android Open Source Project
*
* 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 "CAMHALBaseCameraAdapter"
#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;
mFocusMoveEnabled = false;
#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();
mFocusMoveSubscribers.clear();
mShutterSubscribers.clear();
mZoomSubscribers.clear();
mFaceSubscribers.clear();
mFocusMoveEnabled = false;
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);
mFocusMoveSubscribers.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);
mFocusMoveSubscribers.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_LOGDB("Adding Frame=0x%x Y=0x%x UV=0x%x", (uint32_t)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;
Mutex::Autolock lock(mReturnFrameLock);
if ( NULL == frameBuf )
{
CAMHAL_LOGEA("Invalid frameBuf");
return;
}
if ( NO_ERROR == res)
{
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_LOGEA("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 )
{
#if 0 //#ifdef DEBUG_LOG
//TODO figure out if this is a problem
if(mBuffersWithDucati.indexOfKey((int)frameBuf)>=0)
{
LOGE("Buffer already with Ducati!! 0x%x", frameBuf);
for(int i=0;i<mBuffersWithDucati.size();i++) LOGE("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(getState() != AF_STATE)
{
#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;
case CameraAdapter::CAMERA_DISABLE_MIRROR:
ret = disableMirror(value1);
break;
case CameraAdapter::CAMERA_FOCUS_MOVE_MSG:
mFocusMoveEnabled = true;
break;
default:
CAMHAL_LOGEB("Command 0x%x unsupported!", operation);
break;
};
LOG_FUNCTION_NAME_EXIT;
return ret;
}
status_t BaseCameraAdapter::notifyFocusSubscribers(bool status)
{
event_callback eventCb;