| /* ------------------------------------------------------------------ |
| * Copyright (C) 1998-2009 PacketVideo |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either |
| * express or implied. |
| * See the License for the specific language governing permissions |
| * and limitations under the License. |
| * ------------------------------------------------------------------- |
| */ |
| #include "editlistatom.h" |
| #include "atomutils.h" |
| |
| typedef Oscl_Vector<uint32, OsclMemAllocator> uint32VecType; |
| typedef Oscl_Vector<int32, OsclMemAllocator> int32VecType; |
| typedef Oscl_Vector<uint16, OsclMemAllocator> uint16VecType; |
| |
| //WMF |
| EditListAtom::EditListAtom(MP4_FF_FILE *fp, uint32 size, uint32 type) |
| : FullAtom(fp, size, type) |
| { |
| uint32 i = 0, temp = 0; |
| uint16 temp_16; |
| |
| _psegmentDurations = NULL; |
| _pmediaTimes = NULL; |
| _pmediaRates = NULL; |
| _preserveds = NULL; |
| |
| if (_success) |
| { |
| |
| PV_MP4_FF_NEW(fp->auditCB, uint32VecType, (), _psegmentDurations); |
| PV_MP4_FF_NEW(fp->auditCB, int32VecType, (), _pmediaTimes); |
| PV_MP4_FF_NEW(fp->auditCB, uint16VecType, (), _pmediaRates); |
| PV_MP4_FF_NEW(fp->auditCB, uint16VecType, (), _preserveds); |
| |
| AtomUtils::read32(fp, _entryCount); |
| |
| uint32 dataSize = _size - (DEFAULT_FULL_ATOM_SIZE + 4); |
| |
| uint32 entrySize = (4 + 4 + 2 + 2); |
| |
| if ((_entryCount*entrySize) > dataSize) |
| { |
| _success = false; |
| _mp4ErrorCode = READ_EDITLIST_ATOM_FAILED; |
| return; |
| } |
| |
| for (i = 0; i < _entryCount; i++) |
| {//only assume version 0 by now. |
| |
| AtomUtils::read32(fp, temp); |
| (*_psegmentDurations).push_back(temp); |
| |
| AtomUtils::read32(fp, temp); |
| (*_pmediaTimes).push_back(temp); |
| |
| AtomUtils::read16(fp, temp_16); |
| (*_pmediaRates).push_back(temp_16); |
| |
| AtomUtils::read16(fp, temp_16); //just for reserve |
| (*_preserveds).push_back(temp_16); |
| |
| } |
| } |
| else |
| { |
| if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED) |
| _mp4ErrorCode = READ_EDITLIST_ATOM_FAILED; |
| } |
| } |
| |
| uint32 EditListAtom::getInitialTimeOffset() |
| { |
| if ((_pmediaTimes == NULL) || |
| (_psegmentDurations == NULL)) |
| { |
| return 0; |
| } |
| |
| if (_pmediaTimes->size() != 0) |
| { |
| if ((*_pmediaTimes)[0] == -1) |
| { |
| return((*_psegmentDurations)[0]); |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| else |
| { |
| return 0; |
| } |
| } |
| |
| // Destructor |
| EditListAtom::~EditListAtom() |
| { |
| if (_psegmentDurations != NULL) |
| { |
| PV_MP4_FF_TEMPLATED_DELETE(NULL, uint32VecType, Oscl_Vector, _psegmentDurations); |
| } |
| if (_pmediaTimes != NULL) |
| { |
| PV_MP4_FF_TEMPLATED_DELETE(NULL, int32VecType, Oscl_Vector, _pmediaTimes); |
| } |
| if (_pmediaRates != NULL) |
| { |
| PV_MP4_FF_TEMPLATED_DELETE(NULL, uint16VecType, Oscl_Vector, _pmediaRates); |
| } |
| if (_preserveds != NULL) |
| { |
| PV_MP4_FF_TEMPLATED_DELETE(NULL, uint16VecType, Oscl_Vector, _preserveds); |
| } |
| } |