mp4container.cpp
资源名称:NETVIDEO.rar [点击查看]
上传用户:sun1608
上传日期:2007-02-02
资源大小:6116k
文件大小:6k
源码类别:
流媒体/Mpeg4/MP4
开发平台:
Visual C++
- /*
- * 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 dmackie@cisco.com
- */
- #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);
- }
- }