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/*
* 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.
*/
/**
* @file OMXZoom.cpp
*
* This file contains functionality for handling zoom configurations.
*
*/
#include "CameraHal.h"
#include "OMXCameraAdapter.h"
#ifdef CAMERAHAL_TUNA
namespace {
// Experimentally determined values that make
// overlapping bands go away in video mode.
const int32_t FrontSensorVideoMinZoom = 66816; // 65536 + 1280
const int32_t BackSensorVideoMinZoom = 66304; // 65536 + 768
}
#endif
namespace Ti {
namespace Camera {
const int32_t OMXCameraAdapter::ZOOM_STEPS [ZOOM_STAGES] = {
65536, 68157, 70124, 72745,
75366, 77988, 80609, 83231,
86508, 89784, 92406, 95683,
99615, 102892, 106168, 110100,
114033, 117965, 122552, 126484,
131072, 135660, 140247, 145490,
150733, 155976, 161219, 167117,
173015, 178913, 185467, 192020,
198574, 205783, 212992, 220201,
228065, 236585, 244449, 252969,
262144, 271319, 281149, 290980,
300810, 311951, 322437, 334234,
346030, 357827, 370934, 384041,
397148, 411566, 425984, 441057,
456131, 472515, 488899, 506593,
524288 };
#ifdef CAMERAHAL_TUNA
int32_t OMXCameraAdapter::getZoomStep(int index)
{
if (index != 0 || !mPrevZoomModeIsVideo) {
return OMXCameraAdapter::ZOOM_STEPS[index];
} else if (mSensorIndex == 1) {
return FrontSensorVideoMinZoom;
} else {
return BackSensorVideoMinZoom;
}
}
#endif
status_t OMXCameraAdapter::setParametersZoom(const android::CameraParameters ¶ms,
BaseCameraAdapter::AdapterState state)
{
status_t ret = NO_ERROR;
android::AutoMutex lock(mZoomLock);
LOG_FUNCTION_NAME;
//Immediate zoom should not be avaialable while smooth zoom is running
if ( ( ZOOM_ACTIVE & state ) != ZOOM_ACTIVE )
{
int zoom = params.getInt(android::CameraParameters::KEY_ZOOM);
if (( zoom >= 0 ) && ( zoom < mMaxZoomSupported )) {
mTargetZoomIdx = zoom;
//Immediate zoom should be applied instantly ( CTS requirement )
mCurrentZoomIdx = mTargetZoomIdx;
if(!mZoomUpdating) {
doZoom(mCurrentZoomIdx);
mZoomUpdating = true;
} else {
mZoomUpdate = true;
}
CAMHAL_LOGDB("Zoom by App %d", zoom);
}
}
LOG_FUNCTION_NAME_EXIT;
return ret;
}
status_t OMXCameraAdapter::doZoom(int index)
{
status_t ret = NO_ERROR;
OMX_ERRORTYPE eError = OMX_ErrorNone;
OMX_CONFIG_SCALEFACTORTYPE zoomControl;
LOG_FUNCTION_NAME;
if ( OMX_StateInvalid == mComponentState )
{
CAMHAL_LOGEA("OMX component is in invalid state");
ret = -1;
}
if (( 0 > index) || ((mMaxZoomSupported - 1 ) < index )) {
CAMHAL_LOGEB("Zoom index %d out of range", index);
ret = -EINVAL;
}
bool curZoomModeIsVideo = (mCapMode == OMXCameraAdapter::VIDEO_MODE ||
mCapMode == OMXCameraAdapter::VIDEO_MODE_HQ);
// When index == 0 and there was a switch between video and non-video mode or between sensors,
// we do need to perform the zoom, as 0th index is different between video and non-video modes
// and between different sensors.
if (mPreviousZoomIndx == index && (index != 0 || (curZoomModeIsVideo == mPrevZoomModeIsVideo &&
mSensorIndex == mPrevZoomSensorIndex)))
{
return NO_ERROR;
}
mPrevZoomModeIsVideo = curZoomModeIsVideo;
mPrevZoomSensorIndex = mSensorIndex;
if ( NO_ERROR == ret )
{
OMX_INIT_STRUCT_PTR (&zoomControl, OMX_CONFIG_SCALEFACTORTYPE);
zoomControl.nPortIndex = OMX_ALL;
#ifdef CAMERAHAL_TUNA
zoomControl.xHeight = getZoomStep(index);
zoomControl.xWidth = zoomControl.xHeight;
#endif
eError = OMX_SetConfig(mCameraAdapterParameters.mHandleComp,
OMX_IndexConfigCommonDigitalZoom,
&zoomControl);
if ( OMX_ErrorNone != eError )
{
CAMHAL_LOGEB("Error while applying digital zoom 0x%x", eError);
ret = -1;
}
else
{
CAMHAL_LOGDA("Digital zoom applied successfully");
mPreviousZoomIndx = index;
}
}
LOG_FUNCTION_NAME_EXIT;
return ret;
}
status_t OMXCameraAdapter::advanceZoom()
{
status_t ret = NO_ERROR;
AdapterState state;
android::AutoMutex lock(mZoomLock);
BaseCameraAdapter::getState(state);
if ( mReturnZoomStatus )
{
mCurrentZoomIdx +=mZoomInc;
mTargetZoomIdx = mCurrentZoomIdx;
mReturnZoomStatus = false;
ret = doZoom(mCurrentZoomIdx);
notifyZoomSubscribers(mCurrentZoomIdx, true);
}
else if ( mCurrentZoomIdx != mTargetZoomIdx )
{
if ( ZOOM_ACTIVE & state )
{
if ( mCurrentZoomIdx < mTargetZoomIdx )
{
mZoomInc = 1;
}
else
{
mZoomInc = -1;
}
mCurrentZoomIdx += mZoomInc;
}
else
{
mCurrentZoomIdx = mTargetZoomIdx;
}
ret = doZoom(mCurrentZoomIdx);
if ( ZOOM_ACTIVE & state )
{
if ( mCurrentZoomIdx == mTargetZoomIdx )
{
CAMHAL_LOGDB("[Goal Reached] Smooth Zoom notify currentIdx = %d, targetIdx = %d",
mCurrentZoomIdx,
mTargetZoomIdx);
if ( NO_ERROR == ret )
{
ret = BaseCameraAdapter::setState(CAMERA_STOP_SMOOTH_ZOOM);
if ( NO_ERROR == ret )
{
ret = BaseCameraAdapter::commitState();
}
else
{
ret |= BaseCameraAdapter::rollbackState();
}
}
mReturnZoomStatus = false;
notifyZoomSubscribers(mCurrentZoomIdx, true);
}
else
{
CAMHAL_LOGDB("[Advancing] Smooth Zoom notify currentIdx = %d, targetIdx = %d",
mCurrentZoomIdx,
mTargetZoomIdx);
notifyZoomSubscribers(mCurrentZoomIdx, false);
}
}
}
else if ( (mCurrentZoomIdx == mTargetZoomIdx ) &&
( ZOOM_ACTIVE & state ) )
{
ret = BaseCameraAdapter::setState(CameraAdapter::CAMERA_STOP_SMOOTH_ZOOM);
if ( NO_ERROR == ret )
{
ret = BaseCameraAdapter::commitState();
}
else
{
ret |= BaseCameraAdapter::rollbackState();
}
}
if(mZoomUpdate) {
doZoom(mTargetZoomIdx);
mZoomUpdate = false;
mZoomUpdating = true;
} else {
mZoomUpdating = false;
}
return ret;
}
status_t OMXCameraAdapter::startSmoothZoom(int targetIdx)
{
status_t ret = NO_ERROR;
LOG_FUNCTION_NAME;
android::AutoMutex lock(mZoomLock);
CAMHAL_LOGDB("Start smooth zoom target = %d, mCurrentIdx = %d",
targetIdx,
mCurrentZoomIdx);
if (( targetIdx >= 0 ) && ( targetIdx < mMaxZoomSupported )) {
mTargetZoomIdx = targetIdx;
mZoomParameterIdx = mCurrentZoomIdx;
mReturnZoomStatus = false;
} else {
CAMHAL_LOGEB("Smooth value out of range %d!", targetIdx);
ret = -EINVAL;
}
LOG_FUNCTION_NAME_EXIT;
return ret;
}
status_t OMXCameraAdapter::stopSmoothZoom()
{
status_t ret = NO_ERROR;
android::AutoMutex lock(mZoomLock);
LOG_FUNCTION_NAME;
if ( mTargetZoomIdx != mCurrentZoomIdx )
{
if ( mCurrentZoomIdx < mTargetZoomIdx )
{
mZoomInc = 1;
}
else
{
mZoomInc = -1;
}
mReturnZoomStatus = true;
mReturnZoomStatus = true;
CAMHAL_LOGDB("Stop smooth zoom mCurrentZoomIdx = %d, mTargetZoomIdx = %d",
mCurrentZoomIdx,
mTargetZoomIdx);
}
LOG_FUNCTION_NAME_EXIT;
return ret;
}
} // namespace Camera
} // namespace Ti
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