14a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project/*---------------------------------------------------------------------------* 24a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * imeld_tr.c * 34a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 44a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Copyright 2007, 2008 Nuance Communciations, Inc. * 54a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 64a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Licensed under the Apache License, Version 2.0 (the 'License'); * 74a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * you may not use this file except in compliance with the License. * 84a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 94a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * You may obtain a copy of the License at * 104a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * http://www.apache.org/licenses/LICENSE-2.0 * 114a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 124a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * Unless required by applicable law or agreed to in writing, software * 134a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * distributed under the License is distributed on an 'AS IS' BASIS, * 144a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * 154a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * See the License for the specific language governing permissions and * 164a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * limitations under the License. * 174a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project * * 184a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project *---------------------------------------------------------------------------*/ 194a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 204a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 214a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#ifndef _RTT 224a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include <stdio.h> 234a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#endif 244a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include <stdlib.h> 254a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include <math.h> 264a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include <string.h> 274a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#ifdef unix 284a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include <limits.h> 294a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#endif 304a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include <assert.h> 314a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 324a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include "prelib.h" 334a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include "portable.h" 344a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 354a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project#include "../cfront/sh_down.h" 364a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 374a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 384a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectstatic const char imeld_tr[] = "$Id: imeld_tr.c,v 1.2.10.10 2008/04/01 18:23:20 dahan Exp $"; 394a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 404a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectvoid linear_transform_frame(preprocessed *prep, imeldata *fram, int do_shift) 414a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project/* 424a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project** Note the matrix is the transpose of the transformation 434a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project** To transform a single frame in place */ 444a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project{ 454a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int ii, jj; 464a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project imeldata vec[MAX_DIMEN]; 474a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int dim = prep->dim; 484a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 494a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project ASSERT(prep); 504a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project ASSERT(prep->dim < MAX_DIMEN); 514a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project ASSERT(fram); 524a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (ii = 0; ii < dim; ii++) 534a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project { 544a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project vec[ii] = 0; 554a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (jj = 0; jj < prep->dim; jj++) 564a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project vec[ii] += prep->matrix[ii][jj] * fram[jj]; 574a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project ASSERT(prep->imel_shift > 0); 584a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project vec[ii] = (imeldata) SHIFT_DOWN((int)vec[ii], 594a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project (unsigned int)prep->imel_shift); 604a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project } 614a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 624a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project if (do_shift) 634a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project { 644a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project if (prep->offset) 654a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (ii = 0; ii < dim; ii++) 664a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project fram[ii] = RANGE(vec[ii] + prep->offset[ii], 0, 255); 674a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project else 684a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (ii = 0; ii < dim; ii++) 694a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project fram[ii] = RANGE(vec[ii], 0, 255); 704a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project } 714a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project else 724a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project { 734a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (ii = 0; ii < dim; ii++) 744a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project fram[ii] = vec[ii]; 754a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project } 764a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project return; 774a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project} 784a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 794a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Projectvoid inverse_transform_frame (preprocessed *prep, imeldata *fram, int do_shift) 804a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project/* 814a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project** Note the matrix is the transpose of the transformation 824a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project** To transform a single frame in place */ 834a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project{ 844a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project int ii, jj; 854a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project imeldata vec[MAX_DIMEN]; 864a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 874a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project ASSERT (prep); 884a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project ASSERT (prep->dim < MAX_DIMEN); 894a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project ASSERT (fram); 904a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 914a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project if (prep->offset && do_shift) 924a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (ii= 0; ii < prep->dim; ii++) 934a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project fram[ii] -= prep->offset[ii]; 944a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 954a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (ii= 0; ii < prep->dim; ii++) { 964a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project vec[ii]= 0; 974a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (jj= 0; jj < prep->dim; jj++) 984a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project vec[ii] += prep->invmat[ii][jj] * fram[jj]; 994a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project vec[ii]= SHIFT_DOWN (vec[ii], prep->inv_shift); 1004a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project //floating pt // for (jj= 0; jj < prep->dim; jj++) 1014a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project //floating pt // vec[ii] += (imeldata)(prep->inverse[ii][jj] * fram[jj]); 1024a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project } 1034a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project if (do_shift) 1044a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (ii= 0; ii < prep->dim; ii++) 1054a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project fram[ii]= RANGE (vec[ii], 0, 255); 1064a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project else 1074a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project for (ii= 0; ii < prep->dim; ii++) 1084a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project fram[ii]= vec[ii]; 1094a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project return; 1104a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project} 1114a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 1124a68b3365c8c50aa93505e99ead2565ab73dcdb0The Android Open Source Project 113