Blend.cpp revision d97245f738813db9e55e5ae34b01eb7ecd4381e0
1e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen/* 2e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * Copyright (C) 2011 The Android Open Source Project 3e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * 4e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * Licensed under the Apache License, Version 2.0 (the "License"); 5e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * you may not use this file except in compliance with the License. 6e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * You may obtain a copy of the License at 7e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * 8e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * http://www.apache.org/licenses/LICENSE-2.0 9e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * 10e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * Unless required by applicable law or agreed to in writing, software 11e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * distributed under the License is distributed on an "AS IS" BASIS, 12e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * See the License for the specific language governing permissions and 14e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen * limitations under the License. 15e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen */ 16e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 17e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen/////////////////////////////////////////////////// 18e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen// Blend.cpp 19e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen// $Id: Blend.cpp,v 1.22 2011/06/24 04:22:14 mbansal Exp $ 20e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 21e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen#include <string.h> 22e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 23e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen#include "Interp.h" 24e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen#include "Blend.h" 25e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 26e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen#include "Geometry.h" 27e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen#include "trsMatrix.h" 28e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 29274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen#include "Log.h" 30274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen#define LOG_TAG "BLEND" 31274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen 32e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta ChenBlend::Blend() 33e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 34e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.blendingType = BLEND_TYPE_NONE; 35e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 36e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 37e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta ChenBlend::~Blend() 38e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 39e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_pFrameVPyr) free(m_pFrameVPyr); 40e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_pFrameUPyr) free(m_pFrameUPyr); 41e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_pFrameYPyr) free(m_pFrameYPyr); 42e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 43e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 44b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansalint Blend::initialize(int blendingType, int stripType, int frame_width, int frame_height) 45e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 46e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen this->width = frame_width; 47e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen this->height = frame_height; 48e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen this->m_wb.blendingType = blendingType; 49b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal this->m_wb.stripType = stripType; 50e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 51e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.blendRange = m_wb.blendRangeUV = BLEND_RANGE_DEFAULT; 52e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.nlevs = m_wb.blendRange; 53e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.nlevsC = m_wb.blendRangeUV; 54e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 55e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.nlevs <= 0) m_wb.nlevs = 1; // Need levels for YUV processing 56e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.nlevsC > m_wb.nlevs) m_wb.nlevsC = m_wb.nlevs; 57e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 58e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.roundoffOverlap = 1.5; 59e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 60e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pFrameYPyr = NULL; 61e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pFrameUPyr = NULL; 62e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pFrameVPyr = NULL; 63e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 64e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pFrameYPyr = PyramidShort::allocatePyramidPacked(m_wb.nlevs, (unsigned short) width, (unsigned short) height, BORDER); 65e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pFrameUPyr = PyramidShort::allocatePyramidPacked(m_wb.nlevsC, (unsigned short) (width), (unsigned short) (height), BORDER); 66e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pFrameVPyr = PyramidShort::allocatePyramidPacked(m_wb.nlevsC, (unsigned short) (width), (unsigned short) (height), BORDER); 67e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 68e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (!m_pFrameYPyr || !m_pFrameUPyr || !m_pFrameVPyr) 69e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 70274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen LOGE("Error: Could not allocate pyramids for blending"); 71e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR_MEMORY; 72e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 73e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 74e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_OK; 75e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 76e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 776c5b20113ba9f91352f32e5a53df66aec0ec761ambansalinline double max(double a, double b) { return a > b ? a : b; } 786c5b20113ba9f91352f32e5a53df66aec0ec761ambansalinline double min(double a, double b) { return a < b ? a : b; } 796c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 801e762b1f935c9d4a06af6dd56121590ca81d48b1mbansalvoid Blend::AlignToMiddleFrame(MosaicFrame **frames, int frames_size) 811e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal{ 821e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal // Unwarp this frame and Warp the others to match 831e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal MosaicFrame *mb = NULL; 841e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal MosaicFrame *ref = frames[int(frames_size/2)]; // Middle frame 851e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal 861e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal double invtrs[3][3]; 871e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal inv33d(ref->trs, invtrs); 881e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal 891e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal for(int mfit = 0; mfit < frames_size; mfit++) 901e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal { 911e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal mb = frames[mfit]; 921e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal double temp[3][3]; 931e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal mult33d(temp, invtrs, mb->trs); 941e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal memcpy(mb->trs, temp, sizeof(temp)); 951e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal normProjMat33d(mb->trs); 961e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal } 971e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal} 981e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal 99b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansalint Blend::runBlend(MosaicFrame **oframes, MosaicFrame **rframes, 100b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal int frames_size, 10150b3c890986aadb3780b4da8c0b8dbb0f1422ebambansal ImageType &imageMosaicYVU, int &mosaicWidth, int &mosaicHeight, 102e1178a73fd5756771d25d0b8375452450f509e99mbansal float &progress, bool &cancelComputation) 103e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 104e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int ret; 105e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int numCenters; 106e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 107b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal MosaicFrame **frames; 108b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 109b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // For THIN strip mode, accept all frames for blending 110b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal if (m_wb.stripType == STRIP_TYPE_THIN) 111b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 112b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal frames = oframes; 113b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 114b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal else // For WIDE strip mode, first select the relevant frames to blend. 115b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 116b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal SelectRelevantFrames(oframes, frames_size, rframes, frames_size); 117b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal frames = rframes; 118b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 119b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 120fa45108679c51623e716acbc3301b1e4535c3267Wei-Ta Chen ComputeBlendParameters(frames, frames_size, true); 121e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen numCenters = frames_size; 122e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 123e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (numCenters == 0) 124e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 125274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen LOGE("Error: No frames to blend"); 126e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR; 127e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 128e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 129e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (!(m_AllSites = m_Triangulator.allocMemory(numCenters))) 130e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 131e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR_MEMORY; 132e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 133e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1346c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // Bounding rectangle (real numbers) of the final mosaic computed by projecting 1356c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // each input frame into the mosaic coordinate system. 136e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen BlendRect global_rect; 137e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 138e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen global_rect.lft = global_rect.bot = 2e30; // min values 139e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen global_rect.rgt = global_rect.top = -2e30; // max values 140e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen MosaicFrame *mb = NULL; 141e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double halfwidth = width / 2.0; 142e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double halfheight = height / 2.0; 143e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 144e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double z, x0, y0, x1, y1, x2, y2, x3, y3; 145e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 146a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal // Corners of the left-most and right-most frames respectively in the 147a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal // mosaic coordinate system. 148a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal double xLeftCorners[2] = {2e30, 2e30}; 149a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal double xRightCorners[2] = {-2e30, -2e30}; 1506c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 151ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal // Corners of the top-most and bottom-most frames respectively in the 152ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal // mosaic coordinate system. 153ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal double yTopCorners[2] = {2e30, 2e30}; 154ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal double yBottomCorners[2] = {-2e30, -2e30}; 155ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 156ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 157e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Determine the extents of the final mosaic 158e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen CSite *csite = m_AllSites ; 159e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for(int mfit = 0; mfit < frames_size; mfit++) 160e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 161e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mb = frames[mfit]; 162e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 163e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Compute clipping for this frame's rect 164e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaicRect(mb->width, mb->height, mb->trs, mb->brect); 165e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Clip global rect using this frame's rect 166e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ClipRect(mb->brect, global_rect); 167e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 168e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Calculate the corner points 169e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaic(mb->trs, 0.0, 0.0, x0, y0); 170e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaic(mb->trs, 0.0, mb->height-1.0, x1, y1); 171e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaic(mb->trs, mb->width-1.0, mb->height-1.0, x2, y2); 172e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaic(mb->trs, mb->width-1.0, 0.0, x3, y3); 173e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 174a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal if(x0 < xLeftCorners[0] || x1 < xLeftCorners[1]) // If either of the left corners is lower 1756c5b20113ba9f91352f32e5a53df66aec0ec761ambansal { 176a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal xLeftCorners[0] = x0; 177a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal xLeftCorners[1] = x1; 1786c5b20113ba9f91352f32e5a53df66aec0ec761ambansal } 1796c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 180a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal if(x3 > xRightCorners[0] || x2 > xRightCorners[1]) // If either of the right corners is higher 1816c5b20113ba9f91352f32e5a53df66aec0ec761ambansal { 182a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal xRightCorners[0] = x3; 183a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal xRightCorners[1] = x2; 1846c5b20113ba9f91352f32e5a53df66aec0ec761ambansal } 1856c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 186ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if(y0 < yTopCorners[0] || y3 < yTopCorners[1]) // If either of the top corners is lower 187ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 188ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal yTopCorners[0] = y0; 189ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal yTopCorners[1] = y3; 190ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 191ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 192ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if(y1 > yBottomCorners[0] || y2 > yBottomCorners[1]) // If either of the bottom corners is higher 193ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 194ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal yBottomCorners[0] = y1; 195ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal yBottomCorners[1] = y2; 196ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 197ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 198ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 199e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Compute the centroid of the warped region 200e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FindQuadCentroid(x0, y0, x1, y1, x2, y2, x3, y3, csite->getVCenter().x, csite->getVCenter().y); 201e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 202e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen csite->setMb(mb); 203e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen csite++; 204e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 205e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 206e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Get origin and sizes 2076c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 2086c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // Bounding rectangle (int numbers) of the final mosaic computed by projecting 2096c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // each input frame into the mosaic coordinate system. 210e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen MosaicRect fullRect; 211e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 212e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen fullRect.left = (int) floor(global_rect.lft); // min-x 213e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen fullRect.top = (int) floor(global_rect.bot); // min-y 214e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen fullRect.right = (int) ceil(global_rect.rgt); // max-x 215e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen fullRect.bottom = (int) ceil(global_rect.top);// max-y 216e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen Mwidth = (unsigned short) (fullRect.right - fullRect.left + 1); 217e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen Mheight = (unsigned short) (fullRect.bottom - fullRect.top + 1); 218e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 219a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal int xLeftMost, xRightMost; 220ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal int yTopMost, yBottomMost; 2216c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 222a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal // Rounding up, so that we don't include the gray border. 223a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal xLeftMost = max(0, max(xLeftCorners[0], xLeftCorners[1]) - fullRect.left + 1); 224a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal xRightMost = min(Mwidth - 1, min(xRightCorners[0], xRightCorners[1]) - fullRect.left - 1); 2256c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 226ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal yTopMost = max(0, max(yTopCorners[0], yTopCorners[1]) - fullRect.top + 1); 227ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal yBottomMost = min(Mheight - 1, min(yBottomCorners[0], yBottomCorners[1]) - fullRect.top - 1); 228ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 229e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Make sure image width is multiple of 4 230e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen Mwidth = (unsigned short) ((Mwidth + 3) & ~3); 231e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen Mheight = (unsigned short) ((Mheight + 3) & ~3); // Round up. 232e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 233a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal if (Mwidth < width || Mheight < height || xRightMost <= xLeftMost) 234e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 235a369cd3153170975a5e5bd6fa5544dcd6f22ee85mbansal LOGE("RunBlend: aborting - consistency check failed, w=%d, h=%d, xLeftMost=%d, xRightMost=%d", Mwidth, Mheight, xLeftMost, xRightMost); 236e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR; 237e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 238e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 23989b9c07b5bbcc2de25dd5f61c28de4575b4df996Wei-Ta Chen LOGI("Allocate mosaic image for blending - size: %d x %d", Mwidth, Mheight); 240e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen YUVinfo *imgMos = YUVinfo::allocateImage(Mwidth, Mheight); 241e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (imgMos == NULL) 242e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 243274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen LOGE("RunBlend: aborting - couldn't alloc %d x %d mosaic image", Mwidth, Mheight); 244e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR_MEMORY; 245e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 246e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 247e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Set the Y image to 255 so we can distinguish when frame idx are written to it 248e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen memset(imgMos->Y.ptr[0], 255, (imgMos->Y.width * imgMos->Y.height)); 249e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Set the v and u images to black 250e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen memset(imgMos->V.ptr[0], 128, (imgMos->V.width * imgMos->V.height) << 1); 251e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 252e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Do the triangulation. It returns a sorted list of edges 253e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen SEdgeVector *edge; 254e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int n = m_Triangulator.triangulate(&edge, numCenters, width, height); 255e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_Triangulator.linkNeighbors(edge, n, numCenters); 256e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 2576c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // Bounding rectangle that determines the positioning of the rectangle that is 2586c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // cropped out of the computed mosaic to get rid of the gray borders. 259e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen MosaicRect cropping_rect; 260e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 261ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (m_wb.horizontal) 262ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 263ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal cropping_rect.left = xLeftMost; 264ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal cropping_rect.right = xRightMost; 265ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 266ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal else 267ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 268ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal cropping_rect.top = yTopMost; 269ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal cropping_rect.bottom = yBottomMost; 270ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 2716c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 272e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Do merging and blending : 27350b3c890986aadb3780b4da8c0b8dbb0f1422ebambansal ret = DoMergeAndBlend(frames, numCenters, width, height, *imgMos, fullRect, 274e1178a73fd5756771d25d0b8375452450f509e99mbansal cropping_rect, progress, cancelComputation); 275e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 276e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.blendingType == BLEND_TYPE_HORZ) 277e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen CropFinalMosaic(*imgMos, cropping_rect); 278e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 279e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 280e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_Triangulator.freeMemory(); // note: can be called even if delaunay_alloc() wasn't successful 281e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 282e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen imageMosaicYVU = imgMos->Y.ptr[0]; 283e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 284e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 285e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.blendingType == BLEND_TYPE_HORZ) 286e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 287e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mosaicWidth = cropping_rect.right - cropping_rect.left + 1; 288e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mosaicHeight = cropping_rect.bottom - cropping_rect.top + 1; 289e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 290e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 291e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 292e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mosaicWidth = Mwidth; 293e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mosaicHeight = Mheight; 294e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 295e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 296e1178a73fd5756771d25d0b8375452450f509e99mbansal return ret; 297e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 298e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 299e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 300e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenint Blend::FillFramePyramid(MosaicFrame *mb) 301e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 302e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageType mbY, mbU, mbV; 303e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Lay this image, centered into the temporary buffer 304e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mbY = mb->image; 305e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mbU = mb->getU(); 306e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mbV = mb->getV(); 307e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 308e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int h, w; 309e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 310e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for(h=0; h<height; h++) 311e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 312e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageTypeShort yptr = m_pFrameYPyr->ptr[h]; 313e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageTypeShort uptr = m_pFrameUPyr->ptr[h]; 314e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageTypeShort vptr = m_pFrameVPyr->ptr[h]; 315e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 316e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for(w=0; w<width; w++) 317e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 318e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen yptr[w] = (short) ((*(mbY++)) << 3); 319e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen uptr[w] = (short) ((*(mbU++)) << 3); 320e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen vptr[w] = (short) ((*(mbV++)) << 3); 321e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 322e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 323e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 324e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Spread the image through the border 325e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort::BorderSpread(m_pFrameYPyr, BORDER, BORDER, BORDER, BORDER); 326e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort::BorderSpread(m_pFrameUPyr, BORDER, BORDER, BORDER, BORDER); 327e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort::BorderSpread(m_pFrameVPyr, BORDER, BORDER, BORDER, BORDER); 328e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 329e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Generate Laplacian pyramids 330e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (!PyramidShort::BorderReduce(m_pFrameYPyr, m_wb.nlevs) || !PyramidShort::BorderExpand(m_pFrameYPyr, m_wb.nlevs, -1) || 331e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen !PyramidShort::BorderReduce(m_pFrameUPyr, m_wb.nlevsC) || !PyramidShort::BorderExpand(m_pFrameUPyr, m_wb.nlevsC, -1) || 332e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen !PyramidShort::BorderReduce(m_pFrameVPyr, m_wb.nlevsC) || !PyramidShort::BorderExpand(m_pFrameVPyr, m_wb.nlevsC, -1)) 333e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 334274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen LOGE("Error: Could not generate Laplacian pyramids"); 335e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR; 336e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 337e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 338e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 339e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_OK; 340e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 341e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 342e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 343e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenint Blend::DoMergeAndBlend(MosaicFrame **frames, int nsite, 34450b3c890986aadb3780b4da8c0b8dbb0f1422ebambansal int width, int height, YUVinfo &imgMos, MosaicRect &rect, 345e1178a73fd5756771d25d0b8375452450f509e99mbansal MosaicRect &cropping_rect, float &progress, bool &cancelComputation) 346e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 347e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pMosaicYPyr = NULL; 348e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pMosaicUPyr = NULL; 349e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pMosaicVPyr = NULL; 350e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 351e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pMosaicYPyr = PyramidShort::allocatePyramidPacked(m_wb.nlevs,(unsigned short)rect.Width(),(unsigned short)rect.Height(),BORDER); 352e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pMosaicUPyr = PyramidShort::allocatePyramidPacked(m_wb.nlevsC,(unsigned short)rect.Width(),(unsigned short)rect.Height(),BORDER); 353e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_pMosaicVPyr = PyramidShort::allocatePyramidPacked(m_wb.nlevsC,(unsigned short)rect.Width(),(unsigned short)rect.Height(),BORDER); 354e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (!m_pMosaicYPyr || !m_pMosaicUPyr || !m_pMosaicVPyr) 355e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 356274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen LOGE("Error: Could not allocate pyramids for blending"); 357e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR_MEMORY; 358e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 359e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 360e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen MosaicFrame *mb; 361e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 362e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen CSite *esite = m_AllSites + nsite; 363e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int site_idx; 364e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 365e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // First go through each frame and for each mosaic pixel determine which frame it should come from 366e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen site_idx = 0; 367e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for(CSite *csite = m_AllSites; csite < esite; csite++) 368e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 369e1178a73fd5756771d25d0b8375452450f509e99mbansal if(cancelComputation) 370e1178a73fd5756771d25d0b8375452450f509e99mbansal { 371e1178a73fd5756771d25d0b8375452450f509e99mbansal if (m_pMosaicVPyr) free(m_pMosaicVPyr); 372e1178a73fd5756771d25d0b8375452450f509e99mbansal if (m_pMosaicUPyr) free(m_pMosaicUPyr); 373e1178a73fd5756771d25d0b8375452450f509e99mbansal if (m_pMosaicYPyr) free(m_pMosaicYPyr); 374e1178a73fd5756771d25d0b8375452450f509e99mbansal return BLEND_RET_CANCELLED; 375e1178a73fd5756771d25d0b8375452450f509e99mbansal } 376e1178a73fd5756771d25d0b8375452450f509e99mbansal 377e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mb = csite->getMb(); 378e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 379e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mb->vcrect = mb->brect; 380e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ClipBlendRect(csite, mb->vcrect); 381e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 382e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ComputeMask(csite, mb->vcrect, mb->brect, rect, imgMos, site_idx); 383e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 384e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen site_idx++; 385e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 386e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 387b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal ////////// imgMos.Y, imgMos.V, imgMos.U are used as follows ////////////// 388b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal ////////////////////// THIN STRIP MODE /////////////////////////////////// 389b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 390b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // imgMos.Y is used to store the index of the image from which each pixel 391b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // in the output mosaic can be read out for the thin-strip mode. Thus, 392b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // there is no special handling for pixels around the seam. Also, imgMos.Y 393b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // is set to 255 wherever we can't get its value from any input image e.g. 394b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // in the gray border areas. imgMos.V and imgMos.U are set to 128 for the 395b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // thin-strip mode. 396b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 397b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal ////////////////////// WIDE STRIP MODE /////////////////////////////////// 398b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 399b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // imgMos.Y is used the same way as the thin-strip mode. 400b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // imgMos.V is used to store the index of the neighboring image which 401b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // should contribute to the color of an output pixel in a band around 402b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // the seam. Thus, in this band, we will crossfade between the color values 403b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // from the image index imgMos.Y and image index imgMos.V. imgMos.U is 404b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // used to store the weight (multiplied by 100) that each image will 405b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // contribute to the blending process. Thus, we start at 99% contribution 406b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // from the first image, then go to 50% contribution from each image at 407b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // the seam. Then, the contribution from the second image goes up to 99%. 408b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 409b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // For WIDE mode, set the pixel masks to guide the blender to cross-fade 410b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // between the images on either side of each seam: 411b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal if (m_wb.stripType == STRIP_TYPE_WIDE) 412b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 413ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if(m_wb.horizontal) 414b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 415ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal // Set the number of pixels around the seam to cross-fade between 416ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal // the two component images, 417ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal int tw = STRIP_CROSS_FADE_WIDTH * width; 418ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 419d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Proceed with the image index calculation for cross-fading 420d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // only if the cross-fading width is larger than 0 421d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen if (tw > 0) 422b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 423d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen for(int y = 0; y < imgMos.Y.height; y++) 424b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 425d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Since we compare two adjecant pixels to determine 426d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // whether there is a seam, the termination condition of x 427d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // is set to imgMos.Y.width - tw, so that x+1 below 428d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // won't exceed the imgMos' boundary. 429d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen for(int x = tw; x < imgMos.Y.width - tw; ) 430b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 431d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Determine where the seam is... 432d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen if (imgMos.Y.ptr[y][x] != imgMos.Y.ptr[y][x+1] && 433d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.Y.ptr[y][x] != 255 && 434d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.Y.ptr[y][x+1] != 255) 435ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 436d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Find the image indices on both sides of the seam 437d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen unsigned char idx1 = imgMos.Y.ptr[y][x]; 438d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen unsigned char idx2 = imgMos.Y.ptr[y][x+1]; 439d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen 440d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen for (int o = tw; o >= 0; o--) 441d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen { 442d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Set the image index to use for cross-fading 443d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.V.ptr[y][x - o] = idx2; 444d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Set the intensity weights to use for cross-fading 445d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.U.ptr[y][x - o] = 50 + (99 - 50) * o / tw; 446d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen } 447d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen 448d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen for (int o = 1; o <= tw; o++) 449d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen { 450d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Set the image index to use for cross-fading 451d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.V.ptr[y][x + o] = idx1; 452d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Set the intensity weights to use for cross-fading 453d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.U.ptr[y][x + o] = imgMos.U.ptr[y][x - o]; 454d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen } 455d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen 456d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen x += (tw + 1); 457ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 458d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen else 459ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 460d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen x++; 461ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 462b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 463b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 464ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 465ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 466ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal else 467ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 468ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal // Set the number of pixels around the seam to cross-fade between 469ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal // the two component images, 470ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal int tw = STRIP_CROSS_FADE_WIDTH * height; 471ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 472d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Proceed with the image index calculation for cross-fading 473d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // only if the cross-fading width is larger than 0 474d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen if (tw > 0) 475ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 476d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen for(int x = 0; x < imgMos.Y.width; x++) 477b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 478d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Since we compare two adjecant pixels to determine 479d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // whether there is a seam, the termination condition of y 480d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // is set to imgMos.Y.height - tw, so that y+1 below 481d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // won't exceed the imgMos' boundary. 482d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen for(int y = tw; y < imgMos.Y.height - tw; ) 483ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 484d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Determine where the seam is... 485d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen if (imgMos.Y.ptr[y][x] != imgMos.Y.ptr[y+1][x] && 486d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.Y.ptr[y][x] != 255 && 487d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.Y.ptr[y+1][x] != 255) 488ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 489d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Find the image indices on both sides of the seam 490d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen unsigned char idx1 = imgMos.Y.ptr[y][x]; 491d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen unsigned char idx2 = imgMos.Y.ptr[y+1][x]; 492d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen 493d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen for (int o = tw; o >= 0; o--) 494d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen { 495d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Set the image index to use for cross-fading 496d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.V.ptr[y - o][x] = idx2; 497d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Set the intensity weights to use for cross-fading 498d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.U.ptr[y - o][x] = 50 + (99 - 50) * o / tw; 499d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen } 500d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen 501d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen for (int o = 1; o <= tw; o++) 502d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen { 503d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Set the image index to use for cross-fading 504d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.V.ptr[y + o][x] = idx1; 505d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen // Set the intensity weights to use for cross-fading 506d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen imgMos.U.ptr[y + o][x] = imgMos.U.ptr[y - o][x]; 507d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen } 508d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen 509d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen y += (tw + 1); 510ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 511d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen else 512ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 513d97245f738813db9e55e5ae34b01eb7ecd4381e0Wei-Ta Chen y++; 514ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 515ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 516b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 517b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 518b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 519ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 520b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 521b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 522e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Now perform the actual blending using the frame assignment determined above 523e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen site_idx = 0; 524e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for(CSite *csite = m_AllSites; csite < esite; csite++) 525e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 526e1178a73fd5756771d25d0b8375452450f509e99mbansal if(cancelComputation) 527e1178a73fd5756771d25d0b8375452450f509e99mbansal { 528e1178a73fd5756771d25d0b8375452450f509e99mbansal if (m_pMosaicVPyr) free(m_pMosaicVPyr); 529e1178a73fd5756771d25d0b8375452450f509e99mbansal if (m_pMosaicUPyr) free(m_pMosaicUPyr); 530e1178a73fd5756771d25d0b8375452450f509e99mbansal if (m_pMosaicYPyr) free(m_pMosaicYPyr); 531e1178a73fd5756771d25d0b8375452450f509e99mbansal return BLEND_RET_CANCELLED; 532e1178a73fd5756771d25d0b8375452450f509e99mbansal } 533e1178a73fd5756771d25d0b8375452450f509e99mbansal 534e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mb = csite->getMb(); 535e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 536e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 537e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if(FillFramePyramid(mb)!=BLEND_RET_OK) 538e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR; 539e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 540e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ProcessPyramidForThisFrame(csite, mb->vcrect, mb->brect, rect, imgMos, mb->trs, site_idx); 541e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 54250b3c890986aadb3780b4da8c0b8dbb0f1422ebambansal progress += TIME_PERCENT_BLEND/nsite; 54350b3c890986aadb3780b4da8c0b8dbb0f1422ebambansal 544e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen site_idx++; 545e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 546e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 547e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 548e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Blend 549e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PerformFinalBlending(imgMos, cropping_rect); 550e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 551e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_pMosaicVPyr) free(m_pMosaicVPyr); 552e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_pMosaicUPyr) free(m_pMosaicUPyr); 553e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_pMosaicYPyr) free(m_pMosaicYPyr); 554e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 55550b3c890986aadb3780b4da8c0b8dbb0f1422ebambansal progress += TIME_PERCENT_FINAL; 55650b3c890986aadb3780b4da8c0b8dbb0f1422ebambansal 557e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_OK; 558e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 559e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 560e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenvoid Blend::CropFinalMosaic(YUVinfo &imgMos, MosaicRect &cropping_rect) 561e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 562e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int i, j, k; 563e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageType yimg; 564e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageType uimg; 565e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageType vimg; 566e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 567e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 568e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen yimg = imgMos.Y.ptr[0]; 569e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen uimg = imgMos.U.ptr[0]; 570e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen vimg = imgMos.V.ptr[0]; 571e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 572e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen k = 0; 573e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (j = cropping_rect.top; j <= cropping_rect.bottom; j++) 574e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 575e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (i = cropping_rect.left; i <= cropping_rect.right; i++) 576e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 577e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen yimg[k] = yimg[j*imgMos.Y.width+i]; 578e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen k++; 579e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 580e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 581e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (j = cropping_rect.top; j <= cropping_rect.bottom; j++) 582e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 583e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (i = cropping_rect.left; i <= cropping_rect.right; i++) 584e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 585e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen yimg[k] = vimg[j*imgMos.Y.width+i]; 586e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen k++; 587e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 588e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 589e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (j = cropping_rect.top; j <= cropping_rect.bottom; j++) 590e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 591e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (i = cropping_rect.left; i <= cropping_rect.right; i++) 592e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 593e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen yimg[k] = uimg[j*imgMos.Y.width+i]; 594e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen k++; 595e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 596e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 597e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 598e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 599e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenint Blend::PerformFinalBlending(YUVinfo &imgMos, MosaicRect &cropping_rect) 600e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 601e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (!PyramidShort::BorderExpand(m_pMosaicYPyr, m_wb.nlevs, 1) || !PyramidShort::BorderExpand(m_pMosaicUPyr, m_wb.nlevsC, 1) || 602e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen !PyramidShort::BorderExpand(m_pMosaicVPyr, m_wb.nlevsC, 1)) 603e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 604274ca49c63557a8c3ee12c8da5f75e28b4875a5dWei-Ta Chen LOGE("Error: Could not BorderExpand!"); 605e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_ERROR; 606e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 607e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 608e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageTypeShort myimg; 609e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageTypeShort muimg; 610e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageTypeShort mvimg; 611e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageType yimg; 612e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageType uimg; 613e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ImageType vimg; 614e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 615e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int cx = (int)imgMos.Y.width/2; 616e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int cy = (int)imgMos.Y.height/2; 617e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 6186c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // 2D boolean array that contains true wherever the mosaic image data is 6196c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // invalid (i.e. in the gray border). 6206c5b20113ba9f91352f32e5a53df66aec0ec761ambansal bool **b = new bool*[imgMos.Y.height]; 6216c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 6226c5b20113ba9f91352f32e5a53df66aec0ec761ambansal for(int j=0; j<imgMos.Y.height; j++) 6236c5b20113ba9f91352f32e5a53df66aec0ec761ambansal { 6246c5b20113ba9f91352f32e5a53df66aec0ec761ambansal b[j] = new bool[imgMos.Y.width]; 6256c5b20113ba9f91352f32e5a53df66aec0ec761ambansal } 626e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 627e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Copy the resulting image into the full image using the mask 628e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int i, j; 629e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 630e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen yimg = imgMos.Y.ptr[0]; 631e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen uimg = imgMos.U.ptr[0]; 632e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen vimg = imgMos.V.ptr[0]; 633e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 634e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (j = 0; j < imgMos.Y.height; j++) 635e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 636e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen myimg = m_pMosaicYPyr->ptr[j]; 637e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen muimg = m_pMosaicUPyr->ptr[j]; 638e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mvimg = m_pMosaicVPyr->ptr[j]; 639e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 6406c5b20113ba9f91352f32e5a53df66aec0ec761ambansal for (i = 0; i<imgMos.Y.width; i++) 641e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 642e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // A final mask was set up previously, 643e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // if the value is zero skip it, otherwise replace it. 644e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (*yimg <255) 645e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 646e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen short value = (short) ((*myimg) >> 3); 647e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (value < 0) value = 0; 648e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (value > 255) value = 255; 649e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen *yimg = (unsigned char) value; 650e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 651e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen value = (short) ((*muimg) >> 3); 652e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (value < 0) value = 0; 653e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (value > 255) value = 255; 654e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen *uimg = (unsigned char) value; 655e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 656e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen value = (short) ((*mvimg) >> 3); 657e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (value < 0) value = 0; 658e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (value > 255) value = 255; 659e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen *vimg = (unsigned char) value; 660e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 6616c5b20113ba9f91352f32e5a53df66aec0ec761ambansal b[j][i] = false; 6626c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 663e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 664e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 665e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { // set border color in here 666e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen *yimg = (unsigned char) 96; 6676c5b20113ba9f91352f32e5a53df66aec0ec761ambansal *uimg = (unsigned char) 128; 6686c5b20113ba9f91352f32e5a53df66aec0ec761ambansal *vimg = (unsigned char) 128; 6696c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 6706c5b20113ba9f91352f32e5a53df66aec0ec761ambansal b[j][i] = true; 671e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 672e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 673e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen yimg++; 674e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen uimg++; 675e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen vimg++; 676e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen myimg++; 677e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen muimg++; 678e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mvimg++; 679e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 680e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 681e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 682ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if(m_wb.horizontal) 683e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 684ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal //Scan through each row and increment top if the row contains any gray 685ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal for (j = 0; j < imgMos.Y.height; j++) 686e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 687ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal for (i = cropping_rect.left; i < cropping_rect.right; i++) 688e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 689ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (b[j][i]) 690ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 691ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal break; // to next row 692ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 693ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 694ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 695ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (i == cropping_rect.right) //no gray pixel in this row! 696ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 697ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal cropping_rect.top = j; 698ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal break; 699e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 700e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 701e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 702ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal //Scan through each row and decrement bottom if the row contains any gray 703ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal for (j = imgMos.Y.height-1; j >= 0; j--) 7046c5b20113ba9f91352f32e5a53df66aec0ec761ambansal { 705ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal for (i = cropping_rect.left; i < cropping_rect.right; i++) 706ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 707ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (b[j][i]) 708ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 709ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal break; // to next row 710ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 711ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 712ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 713ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (i == cropping_rect.right) //no gray pixel in this row! 714ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 715ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal cropping_rect.bottom = j; 716ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal break; 717ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 7186c5b20113ba9f91352f32e5a53df66aec0ec761ambansal } 719e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 720ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal else // Vertical Mosaic 721e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 722ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal //Scan through each column and increment left if the column contains any gray 723ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal for (i = 0; i < imgMos.Y.width; i++) 724e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 725ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal for (j = cropping_rect.top; j < cropping_rect.bottom; j++) 726ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 727ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (b[j][i]) 728ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 729ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal break; // to next column 730ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 731ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 732ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 733ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (j == cropping_rect.bottom) //no gray pixel in this column! 734e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 735ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal cropping_rect.left = i; 736ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal break; 737e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 738e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 739e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 740ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal //Scan through each column and decrement right if the column contains any gray 741ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal for (i = imgMos.Y.width-1; i >= 0; i--) 7426c5b20113ba9f91352f32e5a53df66aec0ec761ambansal { 743ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal for (j = cropping_rect.top; j < cropping_rect.bottom; j++) 744ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 745ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (b[j][i]) 746ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 747ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal break; // to next column 748ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 749ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 750ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal 751ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (j == cropping_rect.bottom) //no gray pixel in this column! 752ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal { 753ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal cropping_rect.right = i; 754ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal break; 755ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal } 7566c5b20113ba9f91352f32e5a53df66aec0ec761ambansal } 7576c5b20113ba9f91352f32e5a53df66aec0ec761ambansal } 758e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 7596c5b20113ba9f91352f32e5a53df66aec0ec761ambansal for(int j=0; j<imgMos.Y.height; j++) 7606c5b20113ba9f91352f32e5a53df66aec0ec761ambansal { 7616c5b20113ba9f91352f32e5a53df66aec0ec761ambansal delete b[j]; 762e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 763e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 7646c5b20113ba9f91352f32e5a53df66aec0ec761ambansal delete b; 765e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 766e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return BLEND_RET_OK; 767e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 768e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 769e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenvoid Blend::ComputeMask(CSite *csite, BlendRect &vcrect, BlendRect &brect, MosaicRect &rect, YUVinfo &imgMos, int site_idx) 770e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 771e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort *dptr = m_pMosaicYPyr; 772e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 773e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int nC = m_wb.nlevsC; 774e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int l = (int) ((vcrect.lft - rect.left)); 775e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int b = (int) ((vcrect.bot - rect.top)); 776e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int r = (int) ((vcrect.rgt - rect.left)); 777e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int t = (int) ((vcrect.top - rect.top)); 778e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 779e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (vcrect.lft == brect.lft) 780e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen l = (l <= 0) ? -BORDER : l - BORDER; 781e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (l < -BORDER) 782e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen l = -BORDER; 783e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 784e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (vcrect.bot == brect.bot) 785e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen b = (b <= 0) ? -BORDER : b - BORDER; 786e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (b < -BORDER) 787e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen b = -BORDER; 788e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 789e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (vcrect.rgt == brect.rgt) 790e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen r = (r >= dptr->width) ? dptr->width + BORDER - 1 : r + BORDER; 791e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (r >= dptr->width + BORDER) 792e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen r = dptr->width + BORDER - 1; 793e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 794e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (vcrect.top == brect.top) 795e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen t = (t >= dptr->height) ? dptr->height + BORDER - 1 : t + BORDER; 796e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (t >= dptr->height + BORDER) 797e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen t = dptr->height + BORDER - 1; 798e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 799e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Walk the Region of interest and populate the pyramid 800e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (int j = b; j <= t; j++) 801e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 802e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int jj = j; 803e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double sj = jj + rect.top; 804e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 805e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (int i = l; i <= r; i++) 806e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 807e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int ii = i; 808e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // project point and then triangulate to neighbors 809e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double si = ii + rect.left; 810e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 811e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double dself = hypotSq(csite->getVCenter().x - si, csite->getVCenter().y - sj); 812e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int inMask = ((unsigned) ii < imgMos.Y.width && 813e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (unsigned) jj < imgMos.Y.height) ? 1 : 0; 814e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 815e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if(!inMask) 816e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen continue; 817e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 818e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // scan the neighbors to see if this is a valid position 819e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen unsigned char mask = (unsigned char) 255; 820e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen SEdgeVector *ce; 821e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int ecnt; 822e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (ce = csite->getNeighbor(), ecnt = csite->getNumNeighbors(); ecnt--; ce++) 823e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 824e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double d1 = hypotSq(m_AllSites[ce->second].getVCenter().x - si, 825e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_AllSites[ce->second].getVCenter().y - sj); 826e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (d1 < dself) 827e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 828e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen break; 829e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 830e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 831e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 832e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (ecnt >= 0) continue; 833e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 834e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen imgMos.Y.ptr[jj][ii] = (unsigned char)site_idx; 835e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 836e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 837e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 838e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 839e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenvoid Blend::ProcessPyramidForThisFrame(CSite *csite, BlendRect &vcrect, BlendRect &brect, MosaicRect &rect, YUVinfo &imgMos, double trs[3][3], int site_idx) 840e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 841e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Put the Region of interest (for all levels) into m_pMosaicYPyr 842e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double inv_trs[3][3]; 843e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen inv33d(trs, inv_trs); 844e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 845e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Process each pyramid level 846e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort *sptr = m_pFrameYPyr; 847e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort *suptr = m_pFrameUPyr; 848e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort *svptr = m_pFrameVPyr; 849e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 850e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort *dptr = m_pMosaicYPyr; 851e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort *duptr = m_pMosaicUPyr; 852e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen PyramidShort *dvptr = m_pMosaicVPyr; 853e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 854e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int dscale = 0; // distance scale for the current level 855e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int nC = m_wb.nlevsC; 856e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (int n = m_wb.nlevs; n--; dscale++, dptr++, sptr++, dvptr++, duptr++, svptr++, suptr++, nC--) 857e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 858e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int l = (int) ((vcrect.lft - rect.left) / (1 << dscale)); 859e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int b = (int) ((vcrect.bot - rect.top) / (1 << dscale)); 860e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int r = (int) ((vcrect.rgt - rect.left) / (1 << dscale) + .5); 861e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int t = (int) ((vcrect.top - rect.top) / (1 << dscale) + .5); 862e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 863e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (vcrect.lft == brect.lft) 864e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen l = (l <= 0) ? -BORDER : l - BORDER; 865e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (l < -BORDER) 866e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen l = -BORDER; 867e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 868e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (vcrect.bot == brect.bot) 869e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen b = (b <= 0) ? -BORDER : b - BORDER; 870e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (b < -BORDER) 871e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen b = -BORDER; 872e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 873e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (vcrect.rgt == brect.rgt) 874e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen r = (r >= dptr->width) ? dptr->width + BORDER - 1 : r + BORDER; 875e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (r >= dptr->width + BORDER) 876e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen r = dptr->width + BORDER - 1; 877e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 878e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (vcrect.top == brect.top) 879e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen t = (t >= dptr->height) ? dptr->height + BORDER - 1 : t + BORDER; 880e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (t >= dptr->height + BORDER) 881e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen t = dptr->height + BORDER - 1; 882e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 883e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Walk the Region of interest and populate the pyramid 884e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (int j = b; j <= t; j++) 885e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 886e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int jj = (j << dscale); 887e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double sj = jj + rect.top; 888e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 889e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (int i = l; i <= r; i++) 890e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 891e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int ii = (i << dscale); 892e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // project point and then triangulate to neighbors 893e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double si = ii + rect.left; 894e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 895e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int inMask = ((unsigned) ii < imgMos.Y.width && 896e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (unsigned) jj < imgMos.Y.height) ? 1 : 0; 897e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 898b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal if(inMask && imgMos.Y.ptr[jj][ii] != site_idx && 899b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal imgMos.V.ptr[jj][ii] != site_idx && 900b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal imgMos.Y.ptr[jj][ii] != 255) 901e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen continue; 902e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 903b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // Setup weights for cross-fading 904b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // Weight of the intensity already in the output pixel 905b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double wt0 = 0.0; 906b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // Weight of the intensity from the input pixel (current frame) 907b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double wt1 = 1.0; 908b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 909b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal if (m_wb.stripType == STRIP_TYPE_WIDE) 910b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 911b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal if(inMask && imgMos.Y.ptr[jj][ii] != 255) 912b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 913b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal if(imgMos.V.ptr[jj][ii] == 128) // Not on a seam 914b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 915b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt0 = 0.0; 916b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt1 = 1.0; 917b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 918b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal else 919b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 920b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt0 = 1.0; 921b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt1 = ((imgMos.Y.ptr[jj][ii] == site_idx) ? 922b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal (double)imgMos.U.ptr[jj][ii] / 100.0 : 923b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 1.0 - (double)imgMos.U.ptr[jj][ii] / 100.0); 924b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 925b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 926b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 927b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 928e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Project this mosaic point into the original frame coordinate space 929e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double xx, yy; 930e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 931e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen MosaicToFrame(inv_trs, si, sj, xx, yy); 932e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 933e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (xx < 0.0 || yy < 0.0 || xx > width - 1.0 || yy > height - 1.0) 934e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 935e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if(inMask) 936e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 937e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen imgMos.Y.ptr[jj][ii] = 255; 938b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt0 = 0.0f; 939b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt1 = 1.0f; 940e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 941e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 942e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 943e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen xx /= (1 << dscale); 944e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen yy /= (1 << dscale); 945e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 946e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 947e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int x1 = (xx >= 0.0) ? (int) xx : (int) floor(xx); 948e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int y1 = (yy >= 0.0) ? (int) yy : (int) floor(yy); 949e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 950e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Final destination in extended pyramid 951e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen#ifndef LINEAR_INTERP 952b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal if(inSegment(x1, sptr->width, BORDER-1) && 953b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal inSegment(y1, sptr->height, BORDER-1)) 954e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 955e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double xfrac = xx - x1; 956e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double yfrac = yy - y1; 957b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal dptr->ptr[j][i] = (short) (wt0 * dptr->ptr[j][i] + .5 + 958b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt1 * ciCalc(sptr, x1, y1, xfrac, yfrac)); 959e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dvptr >= m_pMosaicVPyr && nC > 0) 960e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 961b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal duptr->ptr[j][i] = (short) (wt0 * duptr->ptr[j][i] + .5 + 962b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt1 * ciCalc(suptr, x1, y1, xfrac, yfrac)); 963b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal dvptr->ptr[j][i] = (short) (wt0 * dvptr->ptr[j][i] + .5 + 964b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt1 * ciCalc(svptr, x1, y1, xfrac, yfrac)); 965e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 966e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 967e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen#else 968e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if(inSegment(x1, sptr->width, BORDER) && inSegment(y1, sptr->height, BORDER)) 969e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 970e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int x2 = x1 + 1; 971e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int y2 = y1 + 1; 972e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double xfrac = xx - x1; 973e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double yfrac = yy - y1; 974e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double y1val = sptr->ptr[y1][x1] + 975e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (sptr->ptr[y1][x2] - sptr->ptr[y1][x1]) * xfrac; 976e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double y2val = sptr->ptr[y2][x1] + 977e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (sptr->ptr[y2][x2] - sptr->ptr[y2][x1]) * xfrac; 978e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen dptr->ptr[j][i] = (short) (y1val + yfrac * (y2val - y1val)); 979e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 980e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dvptr >= m_pMosaicVPyr && nC > 0) 981e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 982e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen y1val = suptr->ptr[y1][x1] + 983e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (suptr->ptr[y1][x2] - suptr->ptr[y1][x1]) * xfrac; 984e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen y2val = suptr->ptr[y2][x1] + 985e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (suptr->ptr[y2][x2] - suptr->ptr[y2][x1]) * xfrac; 986e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 987e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen duptr->ptr[j][i] = (short) (y1val + yfrac * (y2val - y1val)); 988e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 989e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen y1val = svptr->ptr[y1][x1] + 990e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (svptr->ptr[y1][x2] - svptr->ptr[y1][x1]) * xfrac; 991e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen y2val = svptr->ptr[y2][x1] + 992e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (svptr->ptr[y2][x2] - svptr->ptr[y2][x1]) * xfrac; 993e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 994e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen dvptr->ptr[j][i] = (short) (y1val + yfrac * (y2val - y1val)); 995e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 996e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 997e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen#endif 998e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 999e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1000e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen clipToSegment(x1, sptr->width, BORDER); 1001e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen clipToSegment(y1, sptr->height, BORDER); 1002e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1003b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal dptr->ptr[j][i] = (short) (wt0 * dptr->ptr[j][i] + 0.5 + 1004b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal wt1 * sptr->ptr[y1][x1] ); 1005e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dvptr >= m_pMosaicVPyr && nC > 0) 1006e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1007b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal dvptr->ptr[j][i] = (short) (wt0 * dvptr->ptr[j][i] + 1008b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 0.5 + wt1 * svptr->ptr[y1][x1] ); 1009b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal duptr->ptr[j][i] = (short) (wt0 * duptr->ptr[j][i] + 1010b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 0.5 + wt1 * suptr->ptr[y1][x1] ); 1011e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1012e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1013e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1014e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1015e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1016e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 1017e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1018e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenvoid Blend::MosaicToFrame(double trs[3][3], double x, double y, double &wx, double &wy) 1019e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 1020e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double X, Y, z; 1021e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.theta == 0.0) 1022e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1023e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen X = x; 1024e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen Y = y; 1025e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1026e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (m_wb.horizontal) 1027e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1028e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double alpha = x * m_wb.direction / m_wb.width; 1029e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double length = (y - alpha * m_wb.correction) * m_wb.direction + m_wb.radius; 1030e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaTheta = m_wb.theta * alpha; 1031e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double sinTheta = sin(deltaTheta); 1032e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double cosTheta = sqrt(1.0 - sinTheta * sinTheta) * m_wb.direction; 1033e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen X = length * sinTheta + m_wb.x; 1034e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen Y = length * cosTheta + m_wb.y; 1035e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1036e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 1037e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1038e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double alpha = y * m_wb.direction / m_wb.width; 1039e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double length = (x - alpha * m_wb.correction) * m_wb.direction + m_wb.radius; 1040e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaTheta = m_wb.theta * alpha; 1041e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double sinTheta = sin(deltaTheta); 1042e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double cosTheta = sqrt(1.0 - sinTheta * sinTheta) * m_wb.direction; 1043e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen Y = length * sinTheta + m_wb.y; 1044e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen X = length * cosTheta + m_wb.x; 1045e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1046e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen z = ProjZ(trs, X, Y, 1.0); 1047e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen wx = ProjX(trs, X, Y, z, 1.0); 1048e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen wy = ProjY(trs, X, Y, z, 1.0); 1049e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 1050e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1051e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenvoid Blend::FrameToMosaic(double trs[3][3], double x, double y, double &wx, double &wy) 1052e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 1053e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Project into the intermediate Mosaic coordinate system 1054e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double z = ProjZ(trs, x, y, 1.0); 1055e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double X = ProjX(trs, x, y, z, 1.0); 1056e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double Y = ProjY(trs, x, y, z, 1.0); 1057e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1058e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.theta == 0.0) 1059e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1060e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // No rotation, then this is all we need to do. 1061e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen wx = X; 1062e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen wy = Y; 1063e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1064e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (m_wb.horizontal) 1065e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1066e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaX = X - m_wb.x; 1067e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaY = Y - m_wb.y; 1068e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double length = sqrt(deltaX * deltaX + deltaY * deltaY); 1069e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaTheta = asin(deltaX / length); 1070e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double alpha = deltaTheta / m_wb.theta; 1071e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen wx = alpha * m_wb.width * m_wb.direction; 1072e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen wy = (length - m_wb.radius) * m_wb.direction + alpha * m_wb.correction; 1073e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1074e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 1075e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1076e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaX = X - m_wb.x; 1077e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaY = Y - m_wb.y; 1078e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double length = sqrt(deltaX * deltaX + deltaY * deltaY); 1079e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaTheta = asin(deltaY / length); 1080e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double alpha = deltaTheta / m_wb.theta; 1081e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen wy = alpha * m_wb.width * m_wb.direction; 1082e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen wx = (length - m_wb.radius) * m_wb.direction + alpha * m_wb.correction; 1083e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1084e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 1085e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1086e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1087e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1088e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen// Clip the region of interest as small as possible by using the Voronoi edges of 1089e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen// the neighbors 1090e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenvoid Blend::ClipBlendRect(CSite *csite, BlendRect &brect) 1091e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 1092e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen SEdgeVector *ce; 1093e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int ecnt; 1094e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (ce = csite->getNeighbor(), ecnt = csite->getNumNeighbors(); ecnt--; ce++) 1095e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1096e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // calculate the Voronoi bisector intersection 1097e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen const double epsilon = 1e-5; 1098e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double dx = (m_AllSites[ce->second].getVCenter().x - m_AllSites[ce->first].getVCenter().x); 1099e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double dy = (m_AllSites[ce->second].getVCenter().y - m_AllSites[ce->first].getVCenter().y); 1100e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double xmid = m_AllSites[ce->first].getVCenter().x + dx/2.0; 1101e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double ymid = m_AllSites[ce->first].getVCenter().y + dy/2.0; 1102e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double inter; 1103e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1104e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dx > epsilon) 1105e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1106e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // neighbor is on right 1107e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if ((inter = m_wb.roundoffOverlap + xmid - dy * (((dy >= 0.0) ? brect.bot : brect.top) - ymid) / dx) < brect.rgt) 1108e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen brect.rgt = inter; 1109e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1110e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (dx < -epsilon) 1111e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1112e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // neighbor is on left 1113e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if ((inter = -m_wb.roundoffOverlap + xmid - dy * (((dy >= 0.0) ? brect.bot : brect.top) - ymid) / dx) > brect.lft) 1114e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen brect.lft = inter; 1115e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1116e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dy > epsilon) 1117e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1118e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // neighbor is above 1119e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if ((inter = m_wb.roundoffOverlap + ymid - dx * (((dx >= 0.0) ? brect.lft : brect.rgt) - xmid) / dy) < brect.top) 1120e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen brect.top = inter; 1121e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1122e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else if (dy < -epsilon) 1123e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1124e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // neighbor is below 1125e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if ((inter = -m_wb.roundoffOverlap + ymid - dx * (((dx >= 0.0) ? brect.lft : brect.rgt) - xmid) / dy) > brect.bot) 1126e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen brect.bot = inter; 1127e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1128e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1129e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 1130e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1131e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenvoid Blend::FrameToMosaicRect(int width, int height, double trs[3][3], BlendRect &brect) 1132e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 1133e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // We need to walk the perimeter since the borders can be bent. 1134e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen brect.lft = brect.bot = 2e30; 1135e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen brect.rgt = brect.top = -2e30; 1136e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double xpos, ypos; 1137e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double lasty = height - 1.0; 1138e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double lastx = width - 1.0; 1139e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen int i; 1140e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1141e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (i = width; i--;) 1142e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1143e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1144e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaic(trs, (double) i, 0.0, xpos, ypos); 1145e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ClipRect(xpos, ypos, brect); 1146e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaic(trs, (double) i, lasty, xpos, ypos); 1147e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ClipRect(xpos, ypos, brect); 1148e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1149e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (i = height; i--;) 1150e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1151e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaic(trs, 0.0, (double) i, xpos, ypos); 1152e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ClipRect(xpos, ypos, brect); 1153e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen FrameToMosaic(trs, lastx, (double) i, xpos, ypos); 1154e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen ClipRect(xpos, ypos, brect); 1155e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1156e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 1157e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1158b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansalvoid Blend::SelectRelevantFrames(MosaicFrame **frames, int frames_size, 1159b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal MosaicFrame **relevant_frames, int &relevant_frames_size) 1160b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal{ 1161b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal MosaicFrame *first = frames[0]; 1162b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal MosaicFrame *last = frames[frames_size-1]; 1163b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal MosaicFrame *mb; 1164b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 1165b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double fxpos = first->trs[0][2], fypos = first->trs[1][2]; 1166b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 1167b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double midX = last->width / 2.0; 1168b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double midY = last->height / 2.0; 1169b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double z = ProjZ(first->trs, midX, midY, 1.0); 1170b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double firstX, firstY; 1171b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double prevX = firstX = ProjX(first->trs, midX, midY, z, 1.0); 1172b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double prevY = firstY = ProjY(first->trs, midX, midY, z, 1.0); 1173b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 1174b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal relevant_frames[0] = first; // Add first frame by default 1175b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal relevant_frames_size = 1; 1176b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 1177b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal for (int i = 0; i < frames_size - 1; i++) 1178b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 1179b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal mb = frames[i]; 1180b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double currX, currY; 1181b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal z = ProjZ(mb->trs, midX, midY, 1.0); 1182b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal currX = ProjX(mb->trs, midX, midY, z, 1.0); 1183b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal currY = ProjY(mb->trs, midX, midY, z, 1.0); 1184b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double deltaX = currX - prevX; 1185b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double deltaY = currY - prevY; 1186b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal double center2centerDist = sqrt(deltaY * deltaY + deltaX * deltaX); 1187b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 1188ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal if (fabs(deltaX) > STRIP_SEPARATION_THRESHOLD * last->width || 1189ff1c641693cf537703fef3949ccf15898c3ad5d0mbansal fabs(deltaY) > STRIP_SEPARATION_THRESHOLD * last->height) 1190b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal { 1191b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal relevant_frames[relevant_frames_size] = mb; 1192b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal relevant_frames_size++; 1193b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal 1194b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal prevX = currX; 1195b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal prevY = currY; 1196b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 1197b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal } 1198e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1199b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal // Add last frame by default 1200b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal relevant_frames[relevant_frames_size] = last; 1201b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal relevant_frames_size++; 1202b28b9c0fa991bc97e8aa11da83d27f71fdfef6dambansal} 1203e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1204e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chenvoid Blend::ComputeBlendParameters(MosaicFrame **frames, int frames_size, int is360) 1205e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen{ 12066c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // For FULL and PAN modes, we do not unwarp the mosaic into a rectangular coordinate system 12076c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // and so we set the theta to 0 and return. 1208e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.blendingType != BLEND_TYPE_CYLPAN && m_wb.blendingType != BLEND_TYPE_HORZ) 1209e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1210e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.theta = 0.0; 1211e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen return; 1212e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1213e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1214e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen MosaicFrame *first = frames[0]; 1215e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen MosaicFrame *last = frames[frames_size-1]; 1216e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen MosaicFrame *mb; 1217e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 12181e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal double lxpos = last->trs[0][2], lypos = last->trs[1][2]; 12191e762b1f935c9d4a06af6dd56121590ca81d48b1mbansal double fxpos = first->trs[0][2], fypos = first->trs[1][2]; 1220e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1221e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Calculate warp to produce proper stitching. 1222e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // get x, y displacement 1223e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double midX = last->width / 2.0; 1224e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double midY = last->height / 2.0; 1225e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double z = ProjZ(first->trs, midX, midY, 1.0); 1226e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double firstX, firstY; 1227e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double prevX = firstX = ProjX(first->trs, midX, midY, z, 1.0); 1228e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double prevY = firstY = ProjY(first->trs, midX, midY, z, 1.0); 1229e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1230e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double arcLength, lastTheta; 1231e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.theta = lastTheta = arcLength = 0.0; 12326c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 12336c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // Step through all the frames to compute the total arc-length of the cone 12346c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // swept while capturing the mosaic (in the original conical coordinate system). 1235e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen for (int i = 0; i < frames_size; i++) 1236e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1237e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen mb = frames[i]; 1238e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double currX, currY; 1239e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen z = ProjZ(mb->trs, midX, midY, 1.0); 1240e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen currX = ProjX(mb->trs, midX, midY, z, 1.0); 1241e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen currY = ProjY(mb->trs, midX, midY, z, 1.0); 1242e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaX = currX - prevX; 1243e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaY = currY - prevY; 12446c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 12456c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // The arcLength is computed by summing the lengths of the chords 12466c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // connecting the pairwise projected image centers of the input image frames. 1247e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen arcLength += sqrt(deltaY * deltaY + deltaX * deltaX); 12486c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 1249e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (!is360) 1250e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1251e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double thisTheta = asin(mb->trs[1][0]); 1252e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.theta += thisTheta - lastTheta; 1253e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen lastTheta = thisTheta; 1254e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 12556c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 1256e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevX = currX; 1257e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevY = currY; 1258e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1259e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 12606c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // Stretch this to end at the proper alignment i.e. the width of the 12616c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // rectangle is determined by the arcLength computed above and the cone 12626c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // sector angle is determined using the rotation of the last frame. 1263e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.width = arcLength; 1264e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (is360) m_wb.theta = asin(last->trs[1][0]); 1265e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1266e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // If there is no rotation, we're done. 1267e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.theta != 0.0) 1268e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1269e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double dx = prevX - firstX; 1270e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double dy = prevY - firstY; 12716c5b20113ba9f91352f32e5a53df66aec0ec761ambansal 12726c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // If the mosaic was captured by sweeping horizontally 1273e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (abs(lxpos - fxpos) > abs(lypos - fypos)) 1274e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1275e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.horizontal = 1; 1276e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Calculate radius position to make ends exactly the same Y offset 1277e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double radiusTheta = dx / cos(3.14159 / 2.0 - m_wb.theta); 1278e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.radius = dy + radiusTheta * cos(m_wb.theta); 1279e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.radius < 0.0) m_wb.radius = -m_wb.radius; 1280e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1281e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 1282e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1283e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.horizontal = 0; 1284e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Calculate radius position to make ends exactly the same Y offset 1285e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double radiusTheta = dy / cos(3.14159 / 2.0 - m_wb.theta); 1286e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.radius = dx + radiusTheta * cos(m_wb.theta); 1287e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.radius < 0.0) m_wb.radius = -m_wb.radius; 1288e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1289e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1290e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Determine major direction 1291e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (m_wb.horizontal) 1292e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1293e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Horizontal strip 12946c5b20113ba9f91352f32e5a53df66aec0ec761ambansal // m_wb.x,y record the origin of the rectangle coordinate system. 1295e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (is360) m_wb.x = firstX; 1296e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 1297e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1298e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (lxpos - fxpos < 0) 1299e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1300e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.x = firstX + midX; 1301e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen z = ProjZ(last->trs, 0.0, midY, 1.0); 1302e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevX = ProjX(last->trs, 0.0, midY, z, 1.0); 1303e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevY = ProjY(last->trs, 0.0, midY, z, 1.0); 1304e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1305e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 1306e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1307e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.x = firstX - midX; 1308e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen z = ProjZ(last->trs, last->width - 1.0, midY, 1.0); 1309e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevX = ProjX(last->trs, last->width - 1.0, midY, z, 1.0); 1310e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevY = ProjY(last->trs, last->width - 1.0, midY, z, 1.0); 1311e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1312e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1313e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen dy = prevY - firstY; 1314e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dy < 0.0) m_wb.direction = 1.0; 1315e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else m_wb.direction = -1.0; 1316e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.y = firstY - m_wb.radius * m_wb.direction; 1317e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dy * m_wb.theta > 0.0) m_wb.width = -m_wb.width; 1318e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1319e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 1320e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1321e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Vertical strip 1322e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (is360) m_wb.y = firstY; 1323e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 1324e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1325e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (lypos - fypos < 0) 1326e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1327e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.x = firstY + midY; 1328e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen z = ProjZ(last->trs, midX, 0.0, 1.0); 1329e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevX = ProjX(last->trs, midX, 0.0, z, 1.0); 1330e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevY = ProjY(last->trs, midX, 0.0, z, 1.0); 1331e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1332e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else 1333e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen { 1334e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.x = firstX - midX; 1335e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen z = ProjZ(last->trs, midX, last->height - 1.0, 1.0); 1336e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevX = ProjX(last->trs, midX, last->height - 1.0, z, 1.0); 1337e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen prevY = ProjY(last->trs, midX, last->height - 1.0, z, 1.0); 1338e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1339e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1340e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen dx = prevX - firstX; 1341e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dx < 0.0) m_wb.direction = 1.0; 1342e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen else m_wb.direction = -1.0; 1343e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.x = firstX - m_wb.radius * m_wb.direction; 1344e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen if (dx * m_wb.theta > 0.0) m_wb.width = -m_wb.width; 1345e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1346e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen 1347e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen // Calculate the correct correction factor 1348e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaX = prevX - m_wb.x; 1349e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaY = prevY - m_wb.y; 1350e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double length = sqrt(deltaX * deltaX + deltaY * deltaY); 1351e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen double deltaTheta = (m_wb.horizontal) ? deltaX : deltaY; 1352e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen deltaTheta = asin(deltaTheta / length); 1353e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen m_wb.correction = ((m_wb.radius - length) * m_wb.direction) / 1354e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen (deltaTheta / m_wb.theta); 1355e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen } 1356e295e32b68cf04f0d99138bf4a6d25555f3aef99Wei-Ta Chen} 1357