ref: 5726e930ecb3c9bbb0d37bc52f90e4f0553be19a
dir: /common/mp4v2/atoms.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 - 2005. All Rights Reserved.
*
* 3GPP features implementation is based on 3GPP's TS26.234-v5.60,
* and was contributed by Ximpo Group Ltd.
*
* Portions created by Ximpo Group Ltd. are
* Copyright (C) Ximpo Group Ltd. 2003, 2004. All Rights Reserved.
*
* Contributor(s):
* Dave Mackie dmackie@cisco.com
* Ximpo Group Ltd. mp4v2@ximpo.com
* Bill May wmay@cisco.com
*/
#ifndef __MP4_ATOMS_INCLUDED__
#define __MP4_ATOMS_INCLUDED__
// declare all the atom subclasses
// i.e. spare us atom_xxxx.h for all the atoms
//
// The majority of atoms just need their own constructor declared
// Some atoms have a few special needs
// A small minority of atoms need lots of special handling
class MP4RootAtom : public MP4Atom {
public:
MP4RootAtom();
void BeginWrite(bool use64 = false);
void Write();
void FinishWrite(bool use64 = false);
void BeginOptimalWrite();
void FinishOptimalWrite();
protected:
u_int32_t GetLastMdatIndex();
void WriteAtomType(const char* type, bool onlyOne);
};
/***********************************************************************
* Common atom classes - standard for anything that just contains atoms
* and non-maleable properties, treftype and url
***********************************************************************/
class MP4StandardAtom : public MP4Atom {
public:
MP4StandardAtom(const char *name);
};
class MP4TrefTypeAtom : public MP4Atom {
public:
MP4TrefTypeAtom(const char* type);
void Read();
};
class MP4UrlAtom : public MP4Atom {
public:
MP4UrlAtom(const char *type="url ");
void Read();
void Write();
};
/***********************************************************************
* Sound and Video atoms - use the generic atoms when possible
* (MP4SoundAtom and MP4VideoAtom)
***********************************************************************/
class MP4SoundAtom : public MP4Atom {
public:
MP4SoundAtom(const char *atomid);
void Generate();
void Read();
protected:
void AddProperties(u_int8_t version);
};
class MP4VideoAtom : public MP4Atom {
public:
MP4VideoAtom(const char *atomid);
void Generate();
};
class MP4AmrAtom : public MP4Atom {
public:
MP4AmrAtom(const char *type);
void Generate();
};
// H.264 atoms
class MP4Avc1Atom : public MP4Atom {
public:
MP4Avc1Atom();
void Generate();
};
class MP4AvcCAtom : public MP4Atom {
public:
MP4AvcCAtom();
void Generate();
void Clone(MP4AvcCAtom *dstAtom);
};
class MP4D263Atom : public MP4Atom {
public:
MP4D263Atom();
void Generate();
void Write();
};
class MP4DamrAtom : public MP4Atom {
public:
MP4DamrAtom();
void Generate();
};
class MP4EncaAtom : public MP4Atom {
public:
MP4EncaAtom();
void Generate();
};
class MP4EncvAtom : public MP4Atom {
public:
MP4EncvAtom();
void Generate();
};
class MP4Mp4aAtom : public MP4Atom {
public:
MP4Mp4aAtom();
void Generate();
};
class MP4Mp4sAtom : public MP4Atom {
public:
MP4Mp4sAtom();
void Generate();
};
class MP4Mp4vAtom : public MP4Atom {
public:
MP4Mp4vAtom();
void Generate();
};
class MP4S263Atom : public MP4Atom {
public:
MP4S263Atom();
void Generate();
};
/************************************************************************
* Specialized Atoms
************************************************************************/
class MP4DataAtom : public MP4Atom {
public:
MP4DataAtom();
void Read();
};
class MP4DrefAtom : public MP4Atom {
public:
MP4DrefAtom();
void Read();
};
class MP4ElstAtom : public MP4Atom {
public:
MP4ElstAtom();
void Generate();
void Read();
protected:
void AddProperties(u_int8_t version);
};
class MP4FreeAtom : public MP4Atom {
public:
MP4FreeAtom();
void Read();
void Write();
};
class MP4FtypAtom : public MP4Atom {
public:
MP4FtypAtom();
void Generate();
void Read();
};
class MP4GminAtom : public MP4Atom {
public:
MP4GminAtom();
void Generate();
};
class MP4HdlrAtom : public MP4Atom {
public:
MP4HdlrAtom();
void Read();
};
class MP4HinfAtom : public MP4Atom {
public:
MP4HinfAtom();
void Generate();
};
class MP4HntiAtom : public MP4Atom {
public:
MP4HntiAtom();
void Read();
};
class MP4MdatAtom : public MP4Atom {
public:
MP4MdatAtom();
void Read();
void Write();
};
class MP4MdhdAtom : public MP4Atom {
public:
MP4MdhdAtom();
void Generate();
void Read();
protected:
void AddProperties(u_int8_t version);
};
class MP4Meta1Atom : public MP4Atom {
public:
MP4Meta1Atom(const char *name);
void Read();
};
class MP4Meta2Atom : public MP4Atom {
public:
MP4Meta2Atom(const char *name);
void Read();
};
class MP4MvhdAtom : public MP4Atom {
public:
MP4MvhdAtom();
void Generate();
void Read();
protected:
void AddProperties(u_int8_t version);
};
class MP4OhdrAtom : public MP4Atom {
public:
MP4OhdrAtom();
~MP4OhdrAtom();
void Read();
};
class MP4RtpAtom : public MP4Atom {
public:
MP4RtpAtom();
void Generate();
void Read();
void Write();
protected:
void AddPropertiesStsdType();
void AddPropertiesHntiType();
void GenerateStsdType();
void GenerateHntiType();
void ReadStsdType();
void ReadHntiType();
void WriteHntiType();
};
class MP4SdpAtom : public MP4Atom {
public:
MP4SdpAtom();
void Read();
void Write();
};
class MP4SmiAtom : public MP4Atom {
public:
MP4SmiAtom(void);
void Read();
};
class MP4StblAtom : public MP4Atom {
public:
MP4StblAtom();
void Generate();
};
class MP4StdpAtom : public MP4Atom {
public:
MP4StdpAtom();
void Read();
};
class MP4StscAtom : public MP4Atom {
public:
MP4StscAtom();
void Read();
};
class MP4StsdAtom : public MP4Atom {
public:
MP4StsdAtom();
void Read();
};
class MP4StszAtom : public MP4Atom {
public:
MP4StszAtom();
void Read();
void Write();
};
class MP4Stz2Atom : public MP4Atom {
public:
MP4Stz2Atom();
void Read();
};
class MP4TextAtom : public MP4Atom {
public:
MP4TextAtom();
void Generate();
void Read();
protected:
void AddPropertiesStsdType();
void AddPropertiesGmhdType();
void GenerateStsdType();
void GenerateGmhdType();
};
class MP4TfhdAtom : public MP4Atom {
public:
MP4TfhdAtom();
void Read();
protected:
void AddProperties(u_int32_t flags);
};
class MP4TkhdAtom : public MP4Atom {
public:
MP4TkhdAtom();
void Generate();
void Read();
protected:
void AddProperties(u_int8_t version);
};
class MP4TrunAtom : public MP4Atom {
public:
MP4TrunAtom();
void Read();
protected:
void AddProperties(u_int32_t flags);
};
class MP4UdtaAtom : public MP4Atom {
public:
MP4UdtaAtom();
void Read();
};
class MP4UrnAtom : public MP4Atom {
public:
MP4UrnAtom();
void Read();
};
class MP4VmhdAtom : public MP4Atom {
public:
MP4VmhdAtom();
void Generate();
};
class MP4HrefAtom : public MP4Atom {
public:
MP4HrefAtom();
void Generate(void);
};
#endif /* __MP4_ATOMS_INCLUDED__ */