1 /* ------------------------------------------------------------------ 2 * Copyright (C) 1998-2009 PacketVideo 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either 13 * express or implied. 14 * See the License for the specific language governing permissions 15 * and limitations under the License. 16 * ------------------------------------------------------------------- 17 */ 18 19 20 #include "textsampleentry.h" 21 #include "atomutils.h" 22 #include "a_atomdefs.h" 23 #include "boxrecord.h" 24 #include "stylerecord.h" 25 #include "fonttableatom.h" 26 #include "textsampledescinfo.h" 27 28 29 30 // Constructor 31 PVA_FF_TextSampleEntry::PVA_FF_TextSampleEntry() 32 : PVA_FF_SampleEntry(TEXT_SAMPLE_ENTRY) 33 { 34 35 init(); 36 recomputeSize(); 37 38 39 } 40 41 // Destructor 42 PVA_FF_TextSampleEntry::~PVA_FF_TextSampleEntry() 43 { 44 if (_pBackgroundRGBA) 45 { 46 OSCL_FREE(_pBackgroundRGBA); 47 _pBackgroundRGBA = NULL; 48 } 49 PV_MP4_FF_DELETE(NULL, PVA_FF_BoxRecord, _pBoxRecord); 50 PV_MP4_FF_DELETE(NULL, PVA_FF_StyleRecord, _pStyleRecord); 51 PV_MP4_FF_DELETE(NULL, PVA_FF_FontTableAtom, _pFontTableAtom); 52 } 53 54 void PVA_FF_TextSampleEntry::init() 55 { 56 for (int i = 0; i < 6; i++) 57 { 58 _reserved[i] = 0; 59 } 60 _dataReferenceIndex = 1; 61 _preDefined1 = 0; 62 _reserved1 = 0; 63 64 for (int j = 0; j < 3; j++) 65 { 66 _predefined2[j] = 0; 67 } 68 69 _reserved2 = 0; 70 _preDefined2 = 0; 71 _predefined3 = -1; 72 73 PV_MP4_FF_NEW(fp->auditCB, PVA_FF_BoxRecord, (), _pBoxRecord); 74 PV_MP4_FF_NEW(fp->auditCB, PVA_FF_StyleRecord, (), _pStyleRecord); 75 PV_MP4_FF_NEW(fp->auditCB, PVA_FF_FontTableAtom, (), _pFontTableAtom); 76 77 } 78 79 80 void PVA_FF_TextSampleEntry::addTextDecoderSpecificInfo(PVA_FF_TextSampleDescInfo *pinfo) 81 { 82 _displayFlags = pinfo->display_flags; 83 _horzJustification = pinfo->hJust; 84 _vertJustification = pinfo->vJust; 85 86 _pBackgroundRGBA = (uint8 *)(OSCL_MALLOC(4 * sizeof(uint8))); 87 _pBackgroundRGBA[0] = pinfo->bkRgba[0]; 88 _pBackgroundRGBA[1] = pinfo->bkRgba[1]; 89 _pBackgroundRGBA[2] = pinfo->bkRgba[2]; 90 _pBackgroundRGBA[3] = pinfo->bkRgba[3]; 91 92 _start_sample_num = pinfo->start_sample_num; 93 _end_sample_num = pinfo->end_sample_num; 94 _sdIndex = pinfo->sdindex; 95 96 int16 top = pinfo->top; 97 _pBoxRecord->setBoxTop(top); 98 99 int16 left = pinfo->left; 100 _pBoxRecord->setBoxLeft(left); 101 102 int16 bottom = pinfo->bottom; 103 _pBoxRecord->setBoxBottom(bottom); 104 105 int16 right = pinfo->right; 106 _pBoxRecord->setBoxRight(right); 107 108 uint16 startchar = pinfo->startChar; 109 _pStyleRecord->setStartChar(startchar); 110 111 uint16 endchar = pinfo->endChar; 112 _pStyleRecord->setEndChar(endchar); 113 114 uint16 fontid = pinfo->font_id; 115 _pStyleRecord->setFontID(fontid); 116 117 uint8 fontsize_flag = pinfo->fontSizeFlags; 118 _pStyleRecord->setFontStyleFlags(fontsize_flag); 119 120 uint8 fontsize = pinfo->fontSize; 121 _pStyleRecord->setFontSize(fontsize); 122 123 uint8* tRGBA = pinfo->tRgba; 124 _pStyleRecord->setTextColourRGBA(tRGBA); 125 126 uint16 fontlistsize = pinfo->fontListSize; 127 _pFontTableAtom->setFontListSize(fontlistsize); 128 129 uint16 Fontlistid = pinfo->fontListID; 130 uint16 FontID = pinfo->fontID; 131 int8 Fontlength = pinfo->font_length; 132 uint8* Fontname = pinfo->font_name; 133 _pFontTableAtom->setFontRecord(Fontlistid, FontID, Fontlength, Fontname); 134 135 136 } 137 138 139 // Rendering the PVA_FF_Atom in proper format (bitlengths, etc.) to an ostream 140 bool PVA_FF_TextSampleEntry::renderToFileStream(MP4_AUTHOR_FF_FILE_IO_WRAP *fp) 141 { 142 143 int32 rendered = 0; 144 if (!renderAtomBaseMembers(fp)) 145 { 146 return false; 147 } 148 rendered += getDefaultSize(); 149 150 // From PVA_FF_SampleEntry base class 151 for (int k = 0; k < 6; k++) 152 { 153 if (!PVA_FF_AtomUtils::render8(fp, _reserved[k])) 154 { 155 return false; 156 } 157 rendered += 1; 158 } 159 160 161 if (!PVA_FF_AtomUtils::render16(fp, _dataReferenceIndex)) 162 { 163 return false; 164 } 165 rendered += 2; 166 if (!PVA_FF_AtomUtils::render32(fp, _displayFlags)) 167 { 168 return false; 169 } 170 rendered += 4; 171 if (!PVA_FF_AtomUtils::render8(fp, _horzJustification)) 172 { 173 return false; 174 } 175 rendered += 1; 176 if (!PVA_FF_AtomUtils::render8(fp, _vertJustification)) 177 { 178 return false; 179 } 180 rendered += 1; 181 if (!PVA_FF_AtomUtils::renderByteData(fp, 4, (uint8 *)_pBackgroundRGBA)) 182 { 183 return false; 184 } 185 rendered += 4; 186 187 if (!_pBoxRecord->renderToFileStream(fp)) 188 { 189 return false; 190 } 191 rendered += _pBoxRecord->getSize(); 192 193 if (!_pStyleRecord->renderToFileStream(fp)) 194 { 195 return false; 196 } 197 rendered += _pStyleRecord->getSize(); 198 199 if (!_pFontTableAtom->renderToFileStream(fp)) 200 { 201 return false; 202 } 203 rendered += _pFontTableAtom->getSize(); 204 return true; 205 } 206 207 void PVA_FF_TextSampleEntry::recomputeSize() 208 { 209 int32 size = getDefaultSize(); 210 211 size += 8; // For reserved and dataRefIndex of PVA_FF_SampleEntry base class 212 213 size += 4; 214 size += 1; 215 size += 1; 216 size += 4; 217 size += _pBoxRecord->getSize(); 218 size += _pStyleRecord->getSize(); 219 size += _pFontTableAtom->getSize(); 220 _size = size; 221 222 // Update size of parent 223 if (_pparent != NULL) 224 { 225 _pparent->recomputeSize(); 226 } 227 } 228
