ref: 729fda91ea43acd9d8c7d26808d3c9c65114740a
dir: /common/mp4v2/atom_stsz.cpp/
/* * The contents of this file are subject to the Mozilla Public * License Version 1.1 (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.mozilla.org/MPL/ * * Software distributed under the License is distributed on an "AS * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or * implied. See the License for the specific language governing * rights and limitations under the License. * * The Original Code is MPEG4IP. * * The Initial Developer of the Original Code is Cisco Systems Inc. * Portions created by Cisco Systems Inc. are * Copyright (C) Cisco Systems Inc. 2001. All Rights Reserved. * * Contributor(s): * Dave Mackie [email protected] */ #include "mp4common.h" MP4StszAtom::MP4StszAtom() : MP4Atom("stsz") { AddVersionAndFlags(); /* 0, 1 */ AddProperty( /* 2 */ new MP4Integer32Property("sampleSize")); MP4Integer32Property* pCount = new MP4Integer32Property("sampleCount"); AddProperty(pCount); /* 3 */ MP4TableProperty* pTable = new MP4TableProperty("entries", pCount); AddProperty(pTable); /* 4 */ pTable->AddProperty( /* 4/0 */ new MP4Integer32Property("sampleSize")); } void MP4StszAtom::Read() { ReadProperties(0, 4); u_int32_t sampleSize = ((MP4Integer32Property*)m_pProperties[2])->GetValue(); // only attempt to read entries table if sampleSize is zero // i.e sample size is not constant m_pProperties[4]->SetImplicit(sampleSize != 0); ReadProperties(4); Skip(); // to end of atom } void MP4StszAtom::Write() { u_int32_t sampleSize = ((MP4Integer32Property*)m_pProperties[2])->GetValue(); // only attempt to write entries table if sampleSize is zero // i.e sample size is not constant m_pProperties[4]->SetImplicit(sampleSize != 0); MP4Atom::Write(); }