ref: 4041be70bf23c172dda3d107e19d84c2fb58f644
dir: /common/mp4v2/mp4descriptor.h/
/* * 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] */ #ifndef __MP4_DESCRIPTOR_INCLUDED__ #define __MP4_DESCRIPTOR_INCLUDED__ class MP4Descriptor { public: MP4Descriptor(u_int8_t tag = 0); virtual ~MP4Descriptor(); u_int8_t GetTag() { return m_tag; } void SetTag(u_int8_t tag) { m_tag = tag; } void SetParentAtom(MP4Atom* pParentAtom) { m_pParentAtom = pParentAtom; for (u_int32_t i = 0; i < m_pProperties.Size(); i++) { m_pProperties[i]->SetParentAtom(pParentAtom); } } void AddProperty(MP4Property* pProperty); virtual void Generate(); virtual void Read(MP4File* pFile); virtual void Write(MP4File* pFile); virtual void Dump(FILE* pFile, u_int8_t indent, bool dumpImplicits); MP4Property* GetProperty(u_int32_t index) { return m_pProperties[index]; } // use with extreme caution void SetProperty(u_int32_t index, MP4Property* pProperty) { m_pProperties[index] = pProperty; } bool FindProperty(const char* name, MP4Property** ppProperty, u_int32_t* pIndex = NULL) { return FindContainedProperty(name, ppProperty, pIndex); } void WriteToMemory(MP4File* pFile, u_int8_t** ppBytes, u_int64_t* pNumBytes); protected: void SetReadMutate(u_int32_t propIndex) { m_readMutatePoint = propIndex; } void ReadHeader(MP4File* pFile); void ReadProperties(MP4File* pFile, u_int32_t startIndex = 0, u_int32_t count = 0xFFFFFFFF); virtual void Mutate() { // default is a no-op }; bool FindContainedProperty(const char* name, MP4Property** ppProperty, u_int32_t* pIndex); u_int8_t GetDepth(); protected: MP4Atom* m_pParentAtom; u_int8_t m_tag; u_int64_t m_start; u_int32_t m_size; MP4PropertyArray m_pProperties; u_int32_t m_readMutatePoint; }; #endif /* __MP4_DESCRIPTOR_INCLUDED__ */