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Diffstat (limited to 'camera/QCamera2/HAL3/QCamera3CropRegionMapper.cpp')
| -rw-r--r-- | camera/QCamera2/HAL3/QCamera3CropRegionMapper.cpp | 272 |
1 files changed, 272 insertions, 0 deletions
diff --git a/camera/QCamera2/HAL3/QCamera3CropRegionMapper.cpp b/camera/QCamera2/HAL3/QCamera3CropRegionMapper.cpp new file mode 100644 index 0000000..94a398b --- /dev/null +++ b/camera/QCamera2/HAL3/QCamera3CropRegionMapper.cpp @@ -0,0 +1,272 @@ +/* Copyright (c) 2015-2016, The Linux Foundation. All rights reserved. +* +* Redistribution and use in source and binary forms, with or without +* modification, are permitted provided that the following conditions are +* met: +* * Redistributions of source code must retain the above copyright +* notice, this list of conditions and the following disclaimer. +* * Redistributions in binary form must reproduce the above +* copyright notice, this list of conditions and the following +* disclaimer in the documentation and/or other materials provided +* with the distribution. +* * Neither the name of The Linux Foundation nor the names of its +* contributors may be used to endorse or promote products derived +* from this software without specific prior written permission. +* +* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED +* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF +* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT +* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS +* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR +* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF +* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR +* BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, +* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE +* OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN +* IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +* +*/ + + +#define ATRACE_TAG ATRACE_TAG_CAMERA +#define LOG_TAG "QCamera3CropRegionMapper" + +// Camera dependencies +#include "QCamera3CropRegionMapper.h" +#include "QCamera3HWI.h" + +extern "C" { +#include "mm_camera_dbg.h" +} + +using namespace android; + +namespace qcamera { + +/*=========================================================================== + * FUNCTION : QCamera3CropRegionMapper + * + * DESCRIPTION: Constructor + * + * PARAMETERS : None + * + * RETURN : None + *==========================================================================*/ +QCamera3CropRegionMapper::QCamera3CropRegionMapper() + : mSensorW(0), + mSensorH(0), + mActiveArrayW(0), + mActiveArrayH(0) +{ +} + +/*=========================================================================== + * FUNCTION : ~QCamera3CropRegionMapper + * + * DESCRIPTION: destructor + * + * PARAMETERS : none + * + * RETURN : none + *==========================================================================*/ + +QCamera3CropRegionMapper::~QCamera3CropRegionMapper() +{ +} + +/*=========================================================================== + * FUNCTION : update + * + * DESCRIPTION: update sensor active array size and sensor output size + * + * PARAMETERS : + * @active_array_w : active array width + * @active_array_h : active array height + * @sensor_w : sensor output width + * @sensor_h : sensor output height + * + * RETURN : none + *==========================================================================*/ +void QCamera3CropRegionMapper::update(uint32_t active_array_w, + uint32_t active_array_h, uint32_t sensor_w, + uint32_t sensor_h) +{ + // Sanity check + if (active_array_w == 0 || active_array_h == 0 || + sensor_w == 0 || sensor_h == 0) { + LOGE("active_array size and sensor output size must be non zero"); + return; + } + if (active_array_w < sensor_w || active_array_h < sensor_h) { + LOGE("invalid input: active_array [%d, %d], sensor size [%d, %d]", + active_array_w, active_array_h, sensor_w, sensor_h); + return; + } + mSensorW = sensor_w; + mSensorH = sensor_h; + mActiveArrayW = active_array_w; + mActiveArrayH = active_array_h; + + LOGH("active_array: %d x %d, sensor size %d x %d", + mActiveArrayW, mActiveArrayH, mSensorW, mSensorH); +} + +/*=========================================================================== + * FUNCTION : toActiveArray + * + * DESCRIPTION: Map crop rectangle from sensor output space to active array space + * + * PARAMETERS : + * @crop_left : x coordinate of top left corner of rectangle + * @crop_top : y coordinate of top left corner of rectangle + * @crop_width : width of rectangle + * @crop_height : height of rectangle + * + * RETURN : none + *==========================================================================*/ +void QCamera3CropRegionMapper::toActiveArray(int32_t& crop_left, int32_t& crop_top, + int32_t& crop_width, int32_t& crop_height) +{ + if (mSensorW == 0 || mSensorH == 0 || + mActiveArrayW == 0 || mActiveArrayH == 0) { + LOGE("sensor/active array sizes are not initialized!"); + return; + } + + crop_left = crop_left * mActiveArrayW / mSensorW; + crop_top = crop_top * mActiveArrayH / mSensorH; + crop_width = crop_width * mActiveArrayW / mSensorW; + crop_height = crop_height * mActiveArrayH / mSensorH; + + boundToSize(crop_left, crop_top, crop_width, crop_height, + mActiveArrayW, mActiveArrayH); +} + +/*=========================================================================== + * FUNCTION : toSensor + * + * DESCRIPTION: Map crop rectangle from active array space to sensor output space + * + * PARAMETERS : + * @crop_left : x coordinate of top left corner of rectangle + * @crop_top : y coordinate of top left corner of rectangle + * @crop_width : width of rectangle + * @crop_height : height of rectangle + * + * RETURN : none + *==========================================================================*/ + +void QCamera3CropRegionMapper::toSensor(int32_t& crop_left, int32_t& crop_top, + int32_t& crop_width, int32_t& crop_height) +{ + if (mSensorW == 0 || mSensorH == 0 || + mActiveArrayW == 0 || mActiveArrayH == 0) { + LOGE("sensor/active array sizes are not initialized!"); + return; + } + + crop_left = crop_left * mSensorW / mActiveArrayW; + crop_top = crop_top * mSensorH / mActiveArrayH; + crop_width = crop_width * mSensorW / mActiveArrayW; + crop_height = crop_height * mSensorH / mActiveArrayH; + + LOGD("before bounding left %d, top %d, width %d, height %d", + crop_left, crop_top, crop_width, crop_height); + boundToSize(crop_left, crop_top, crop_width, crop_height, + mSensorW, mSensorH); + LOGD("after bounding left %d, top %d, width %d, height %d", + crop_left, crop_top, crop_width, crop_height); +} + +/*=========================================================================== + * FUNCTION : boundToSize + * + * DESCRIPTION: Bound a particular rectangle inside a bounding box + * + * PARAMETERS : + * @left : x coordinate of top left corner of rectangle + * @top : y coordinate of top left corner of rectangle + * @width : width of rectangle + * @height : height of rectangle + * @bound_w : width of bounding box + * @bound_y : height of bounding box + * + * RETURN : none + *==========================================================================*/ +void QCamera3CropRegionMapper::boundToSize(int32_t& left, int32_t& top, + int32_t& width, int32_t& height, int32_t bound_w, int32_t bound_h) +{ + if (left < 0) { + left = 0; + } + if (top < 0) { + top = 0; + } + + if ((left + width) > bound_w) { + width = bound_w - left; + } + if ((top + height) > bound_h) { + height = bound_h - top; + } +} + +/*=========================================================================== + * FUNCTION : toActiveArray + * + * DESCRIPTION: Map co-ordinate from sensor output space to active array space + * + * PARAMETERS : + * @x : x coordinate + * @y : y coordinate + * + * RETURN : none + *==========================================================================*/ +void QCamera3CropRegionMapper::toActiveArray(uint32_t& x, uint32_t& y) +{ + if (mSensorW == 0 || mSensorH == 0 || + mActiveArrayW == 0 || mActiveArrayH == 0) { + LOGE("sensor/active array sizes are not initialized!"); + return; + } + if ((x > static_cast<uint32_t>(mSensorW)) || + (y > static_cast<uint32_t>(mSensorH))) { + LOGE("invalid co-ordinate (%d, %d) in (0, 0, %d, %d) space", + x, y, mSensorW, mSensorH); + return; + } + x = x * mActiveArrayW / mSensorW; + y = y * mActiveArrayH / mSensorH; +} + +/*=========================================================================== + * FUNCTION : toSensor + * + * DESCRIPTION: Map co-ordinate from active array space to sensor output space + * + * PARAMETERS : + * @x : x coordinate + * @y : y coordinate + * + * RETURN : none + *==========================================================================*/ + +void QCamera3CropRegionMapper::toSensor(uint32_t& x, uint32_t& y) +{ + if (mSensorW == 0 || mSensorH == 0 || + mActiveArrayW == 0 || mActiveArrayH == 0) { + LOGE("sensor/active array sizes are not initialized!"); + return; + } + + if ((x > static_cast<uint32_t>(mActiveArrayW)) || + (y > static_cast<uint32_t>(mActiveArrayH))) { + LOGE("invalid co-ordinate (%d, %d) in (0, 0, %d, %d) space", + x, y, mSensorW, mSensorH); + return; + } + x = x * mSensorW / mActiveArrayW; + y = y * mSensorH / mActiveArrayH; +} + +}; //end namespace android |