ref: 55a7978edf3511760bb23a268780846e5a6f25c3
dir: /common/mp4v2/mp4container.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" MP4Container::~MP4Container() { for (u_int32_t i = 0; i < m_pProperties.Size(); i++) { delete m_pProperties[i]; } } void MP4Container::AddProperty(MP4Property* pProperty) { ASSERT(pProperty); m_pProperties.Add(pProperty); } bool MP4Container::FindProperty(const char *name, MP4Property** ppProperty, u_int32_t* pIndex) { if (pIndex) { *pIndex = 0; // set the default answer for index } u_int32_t numProperties = m_pProperties.Size(); for (u_int32_t i = 0; i < numProperties; i++) { if (m_pProperties[i]->FindProperty(name, ppProperty, pIndex)) { return true; } } return false; } void MP4Container::FindIntegerProperty(const char* name, MP4Property** ppProperty, u_int32_t* pIndex) { if (!FindProperty(name, ppProperty, pIndex)) { throw new MP4Error("no such property", "MP4Container::FindIntegerProperty"); } switch ((*ppProperty)->GetType()) { case Integer8Property: case Integer16Property: case Integer24Property: case Integer32Property: case Integer64Property: break; default: throw new MP4Error("type mismatch", "MP4Container::FindIntegerProperty"); } } u_int64_t MP4Container::GetIntegerProperty(const char* name) { MP4Property* pProperty; u_int32_t index; FindIntegerProperty(name, &pProperty, &index); return ((MP4IntegerProperty*)pProperty)->GetValue(index); } void MP4Container::SetIntegerProperty(const char* name, u_int64_t value) { MP4Property* pProperty = NULL; u_int32_t index = 0; FindIntegerProperty(name, &pProperty, &index); ((MP4IntegerProperty*)pProperty)->SetValue(value, index); } void MP4Container::FindFloatProperty(const char* name, MP4Property** ppProperty, u_int32_t* pIndex) { if (!FindProperty(name, ppProperty, pIndex)) { throw new MP4Error("no such property", "MP4Container::FindFloatProperty"); } if ((*ppProperty)->GetType() != Float32Property) { throw new MP4Error("type mismatch", "MP4Container::FindFloatProperty"); } } float MP4Container::GetFloatProperty(const char* name) { MP4Property* pProperty; u_int32_t index; FindFloatProperty(name, &pProperty, &index); return ((MP4Float32Property*)pProperty)->GetValue(index); } void MP4Container::SetFloatProperty(const char* name, float value) { MP4Property* pProperty; u_int32_t index; FindFloatProperty(name, &pProperty, &index); ((MP4Float32Property*)pProperty)->SetValue(value, index); } void MP4Container::FindStringProperty(const char* name, MP4Property** ppProperty, u_int32_t* pIndex) { if (!FindProperty(name, ppProperty, pIndex)) { throw new MP4Error("no such property", "MP4Container::FindStringProperty"); } if ((*ppProperty)->GetType() != StringProperty) { throw new MP4Error("type mismatch", "MP4Container::FindStringProperty"); } } const char* MP4Container::GetStringProperty(const char* name) { MP4Property* pProperty; u_int32_t index; FindStringProperty(name, &pProperty, &index); return ((MP4StringProperty*)pProperty)->GetValue(index); } void MP4Container::SetStringProperty(const char* name, const char* value) { MP4Property* pProperty; u_int32_t index; FindStringProperty(name, &pProperty, &index); ((MP4StringProperty*)pProperty)->SetValue(value, index); } void MP4Container::FindBytesProperty(const char* name, MP4Property** ppProperty, u_int32_t* pIndex) { if (!FindProperty(name, ppProperty, pIndex)) { throw new MP4Error("no such property", "MP4Container::FindBytesProperty"); } if ((*ppProperty)->GetType() != BytesProperty) { throw new MP4Error("type mismatch", "MP4Container::FindBytesProperty"); } } void MP4Container::GetBytesProperty(const char* name, u_int8_t** ppValue, u_int32_t* pValueSize) { MP4Property* pProperty; u_int32_t index; FindBytesProperty(name, &pProperty, &index); ((MP4BytesProperty*)pProperty)->GetValue(ppValue, pValueSize, index); } void MP4Container::SetBytesProperty(const char* name, const u_int8_t* pValue, u_int32_t valueSize) { MP4Property* pProperty; u_int32_t index; FindBytesProperty(name, &pProperty, &index); ((MP4BytesProperty*)pProperty)->SetValue(pValue, valueSize, index); } void MP4Container::Read(MP4File* pFile) { u_int32_t numProperties = m_pProperties.Size(); for (u_int32_t i = 0; i < numProperties; i++) { m_pProperties[i]->Read(pFile); } } void MP4Container::Write(MP4File* pFile) { u_int32_t numProperties = m_pProperties.Size(); if (numProperties == 0) { WARNING(numProperties == 0); return; } for (u_int32_t i = 0; i < numProperties; i++) { m_pProperties[i]->Write(pFile); } } void MP4Container::Dump(FILE* pFile, u_int8_t indent, bool dumpImplicits) { u_int32_t numProperties = m_pProperties.Size(); for (u_int32_t i = 0; i < numProperties; i++) { m_pProperties[i]->Dump(pFile, indent, dumpImplicits); } }