src/descriptors.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     dmackie@cisco.com
 */

#ifndef MP4V2_IMPL_DESCRIPTORS_H
#define MP4V2_IMPL_DESCRIPTORS_H

namespace mp4v2 {
namespace impl {

///////////////////////////////////////////////////////////////////////////////

const uint8_t MP4ODescrTag                  = 0x01;
const uint8_t MP4IODescrTag                 = 0x02;
const uint8_t MP4ESDescrTag                 = 0x03;
const uint8_t MP4DecConfigDescrTag          = 0x04;
const uint8_t MP4DecSpecificDescrTag        = 0x05;
const uint8_t MP4SLConfigDescrTag           = 0x06;
const uint8_t MP4ContentIdDescrTag          = 0x07;
const uint8_t MP4SupplContentIdDescrTag     = 0x08;
const uint8_t MP4IPIPtrDescrTag             = 0x09;
const uint8_t MP4IPMPPtrDescrTag            = 0x0A;
const uint8_t MP4IPMPDescrTag               = 0x0B;
const uint8_t MP4RegistrationDescrTag       = 0x0D;
const uint8_t MP4ESIDIncDescrTag            = 0x0E;
const uint8_t MP4ESIDRefDescrTag            = 0x0F;
const uint8_t MP4FileIODescrTag             = 0x10;
const uint8_t MP4FileODescrTag              = 0x11;
const uint8_t MP4ExtProfileLevelDescrTag    = 0x13;
const uint8_t MP4ExtDescrTagsStart          = 0x80;
const uint8_t MP4ExtDescrTagsEnd            = 0xFE;

class MP4BaseDescriptor : public MP4Descriptor {
public:
    MP4BaseDescriptor(uint8_t tag);
};

class MP4BytesDescriptor : public MP4Descriptor {
public:
    MP4BytesDescriptor(uint8_t tag);
    void Read(MP4File* pFile);
protected:
    uint32_t m_size_offset; // size to adjust the size for the bytes property
    uint32_t m_bytes_index; // index into properties for bytes property
};

class MP4IODescriptor : public MP4Descriptor {
public:
    MP4IODescriptor();
    void Generate();
protected:
    void Mutate();
};

class MP4ODescriptor : public MP4Descriptor {
public:
    MP4ODescriptor();
    void Generate();
protected:
    void Mutate();
};


class MP4ESDescriptor : public MP4Descriptor {
public:
    MP4ESDescriptor();
protected:
    void Mutate();
};

class MP4DecConfigDescriptor : public MP4Descriptor {
public:
    MP4DecConfigDescriptor();
    void Generate();
};


class MP4SLConfigDescriptor : public MP4Descriptor {
public:
    MP4SLConfigDescriptor();
    void Generate();
    void Read(MP4File* pFile);
protected:
    void Mutate();
};

class MP4IPIPtrDescriptor : public MP4Descriptor {
public:
    MP4IPIPtrDescriptor();
};

class MP4ContentIdDescriptor : public MP4Descriptor {
public:
    MP4ContentIdDescriptor();
    void Read(MP4File* pFile);
protected:
    void Mutate();
};

// associated values in descriptors

// ES objectTypeId
const uint8_t MP4SystemsV1ObjectType            = 0x01;
const uint8_t MP4SystemsV2ObjectType            = 0x02;

// ES streamType
const uint8_t MP4ObjectDescriptionStreamType    = 0x01;
const uint8_t MP4ClockReferenceStreamType       = 0x02;
const uint8_t MP4SceneDescriptionStreamType     = 0x03;
const uint8_t MP4VisualStreamType               = 0x04;
const uint8_t MP4AudioStreamType                = 0x05;
const uint8_t MP4Mpeg7StreamType                = 0x06;
const uint8_t MP4IPMPStreamType                 = 0x07;
const uint8_t MP4OCIStreamType                  = 0x08;
const uint8_t MP4MPEGJStreamType                = 0x09;
const uint8_t MP4UserPrivateStreamType          = 0x20;

///////////////////////////////////////////////////////////////////////////////

}
} // namespace mp4v2::impl

#endif // MP4V2_IMPL_DESCRIPTORS_H