// Constructor
PVA_FF_SampleTableAtom::PVA_FF_SampleTableAtom(uint32 mediaType,
        PVA_FF_MP4_CODEC_TYPE codecType,
        uint32 fileAuthoringFlags,
        uint32 protocol,
        uint8 profile,
        uint8 profileComp,
        uint8 level)
    : PVA_FF_Atom(SAMPLE_TABLE_ATOM)
{
    _oInterLeaveMode = false;
    if (fileAuthoringFlags & PVMP4FF_SET_MEDIA_INTERLEAVE_MODE)
    {
        _oInterLeaveMode = true;
    }

    bool isprotected = false;
    if ((fileAuthoringFlags & PVMP4FF_PIFF_MODE) == PVMP4FF_PIFF_MODE)
    {
        isprotected = true;
    }

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_TimeToSampleAtom, (mediaType), _ptimeToSampleAtom);
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_SampleDescriptionAtom, (mediaType, codecType, isprotected, protocol, profile, profileComp, level), _psampleDescriptionAtom);
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_SampleSizeAtom, (mediaType), _psampleSizeAtom);
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_SampleToChunkAtom, (mediaType, fileAuthoringFlags), _psampleToChunkAtom);
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_ChunkOffsetAtom, (mediaType, fileAuthoringFlags), _pchunkOffsetAtom);

    if (mediaType == MEDIA_TYPE_VISUAL)
    {
        PV_MP4_FF_NEW(fp->auditCB, PVA_FF_SyncSampleAtom, (), _psyncSampleAtom);

        _psyncSampleAtom->setParent(this);
    }
// Constructor
PVA_FF_MediaAtom::PVA_FF_MediaAtom(int32 mediaType,
                                   int32 codecType,
                                   uint32 fileAuthoringFlags,
                                   bool o3GPPCompliant,
                                   uint32 protocol,
                                   uint8 profile,
                                   uint8 profileComp,
                                   uint8 level)

        : PVA_FF_Atom(MEDIA_ATOM)
{
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_MediaHeaderAtom, (), _pmediaHeader);

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_HandlerAtom, (mediaType, (uint8)0, (uint8)0), _phandler);

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_MediaInformationAtom, (mediaType,
                  codecType,
                  fileAuthoringFlags,
                  o3GPPCompliant,
                  protocol, profile,
                  profileComp, level), _pmediaInformation);

    recomputeSize();
    _pmediaHeader->setParent(this);
    _phandler->setParent(this);
    _pmediaInformation->setParent(this);
}
// Constructor
PVA_FF_TrackAtom::PVA_FF_TrackAtom(int32 type,
                                   uint32 id,
                                   uint32 fileAuthoringFlags,
                                   int32 codecType,
                                   uint32 protocol,
                                   uint8 profile,
                                   uint8 profileComp,
                                   uint8 level)
        : PVA_FF_Atom(TRACK_ATOM)
{
    _success = true;
    FIRST_SAMPLE = true;
    _intialTrackTimeOffsetInMilliSeconds = 0;

    _eList = NULL;
    _mediaType = type;

    _codecType = codecType;

    _oInterLeaveMode = false;
    if (fileAuthoringFlags & PVMP4FF_SET_MEDIA_INTERLEAVE_MODE)
    {
        _oInterLeaveMode = true;
    }


    _pUserDataAtom    = NULL;

    if ((codecType == CODEC_TYPE_MPEG4_VIDEO) ||
            (codecType == CODEC_TYPE_AAC_AUDIO))
    {
        _setDecoderSpecificInfoDone = false;
    }
    else
    {
        _setDecoderSpecificInfoDone = true;
    }

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_TrackHeaderAtom, (type, id, (uint8)0, (uint32)0x000001, fileAuthoringFlags), _ptrackHeader);

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_MediaAtom, (type,
                  codecType,
                  fileAuthoringFlags,
                  protocol, profile,
                  profileComp, level),
                  _pmediaAtom);

    _ptrackReference = NULL;
    recomputeSize();

    _ptrackHeader->setParent(this);
    _pmediaAtom->setParent(this);
}
// Stream-in Constructor
ObjectDescriptorAtom::ObjectDescriptorAtom(MP4_FF_FILE *fp, uint32 size, uint32 type)
        : FullAtom(fp, size, type)
{
    _pOD = NULL;

    if (_success)
    {
        _pparent = NULL;

        PV_MP4_FF_NEW(fp->auditCB, InitialObjectDescriptor, (fp), _pOD);

        if (!_pOD->MP4Success())
        {
            _success = false;
            _mp4ErrorCode = _pOD->GetMP4Error();
        }

        if (_success)
            _pOD->setParent(this);
    }
    else
    {
        if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED)
            _mp4ErrorCode = READ_OBJECT_DESCRIPTOR_ATOM_FAILED;
    }

}
// constructor
PVA_FF_TrackFragmentAtom::PVA_FF_TrackFragmentAtom(uint32 mediaType,
        uint32 codecType,
        uint32 trackId,
        uint32 interleaveDuration,
        uint32 timescale)
        : PVA_FF_Atom(TRACK_FRAGMENT_ATOM)
{
    _mediaType = mediaType;
    _codecType = codecType;

    // no interleaving flag, as movie fragments are there in interleaving mode
    _timescale = timescale;
    _firstEntry = true;
    _prevTS = 0;
    _interleaveDuration = interleaveDuration;
    _fragmentDuration = 0;
    _ofirstTrun = true;

    // intialise track fragment header atom
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_TrackFragmentHeaderAtom, (trackId), _pTfhdAtom);

    // initialise track run vector
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_TrackFragmentRunAtomVecType, (), _pTrunList);

    recomputeSize();

}
TextStyleBox:: TextStyleBox(uint8  *buf) : Atom(buf)
{
    _pparent = NULL;

    _pStyleRecordVec = NULL;

    if (_success)
    {

        PV_MP4_FF_NEW(fp->auditCB, styleRecordVecType, (), _pStyleRecordVec);

        if (!AtomUtils::read16(buf, _entryCount))
        {
            _success = false;
            _mp4ErrorCode = READ_TEXT_SAMPLE_MODIFIERS_FAILED;
            return;
        }

        for (uint16 i = 0; i < _entryCount; i++)
        {
            StyleRecord *pStyleRecord	= NULL;
            PV_MP4_FF_NEW(fp->auditCB, StyleRecord, (buf), pStyleRecord);
            if (!pStyleRecord->MP4Success())
            {
                _success = false;
                _mp4ErrorCode = pStyleRecord->GetMP4Error();
                return;
            }

            _pStyleRecordVec->push_back(pStyleRecord);
        }
    }
    else
    {
OSCL_EXPORT_REF IMpeg4File* IMpeg4File::readMP4File(MP4_FF_FILE_REFERENCE fileRef,
        uint32 parsingMode)
{
    //optimized mode is not supported if multiple file ptrs are not allowed
    if (parsingMode == 1)
    {
#ifndef OPEN_FILE_ONCE_PER_TRACK
        parsingMode = 0;
#endif
    }

    //Create a dummy string to hold the file name
    OSCL_wHeapString<OsclMemAllocator> filename(_STRLIT(""));

    MP4_FF_FILE fileStruct;
    MP4_FF_FILE *fp = &fileStruct;

    fp->_pvfile.SetFilePtr(fileRef);

    int32 fileSize;
    int32 filePointer;
    AtomUtils::seekFromStart(fp, 0);
    filePointer = AtomUtils::getCurrentFilePosition(fp);
    AtomUtils::seekToEnd(fp);
    fileSize = AtomUtils::getCurrentFilePosition(fp);
    AtomUtils::seekFromStart(fp, filePointer);

    fp->_fileSize = fileSize;

    Mpeg4File *mp4 = NULL;

    PV_MP4_FF_NEW(fp->auditCB, Mpeg4File, (fp, filename, parsingMode), mp4);

    return mp4;
}
// Stream-in ctor
DataReferenceAtom::DataReferenceAtom(MP4_FF_FILE *fp, uint32 size, uint32 type)
        : FullAtom(fp, size, type)
{

    _pdataEntryVec = NULL;

    if (_success)
    {

        _pparent = NULL;

        PV_MP4_FF_NEW(fp->auditCB, dataEntryUrlAtomVecType, (), _pdataEntryVec);

        if (!AtomUtils::read32(fp, _entryCount))
        {
            _success = false;
            _mp4ErrorCode = READ_DATA_REFERENCE_ATOM_FAILED;
        }
        else
        {
            // THERE MUST BE ATLEAST ONE ENTRY
            int32 temp = (int32)(_entryCount);

            if (temp <= 0)
            {
                _success = false;
                _mp4ErrorCode = READ_DATA_REFERENCE_ATOM_FAILED;
            }
        }

        if (_success)
        {
            DataEntryUrlAtom *deua = NULL;
            for (uint32 i = 0; i < _entryCount; i++)
            {
                PV_MP4_FF_NEW(fp->auditCB, DataEntryUrlAtom, (fp), deua);
                if (!deua->MP4Success())
                {
                    _success = false;
                    _mp4ErrorCode = deua->GetMP4Error();
                    if (deua != NULL)
                    {
                        PV_MP4_FF_DELETE(NULL, DataEntryUrlAtom, deua);
                        deua = NULL;
                    }
                    break;
                }
                else
                {
                    (*_pdataEntryVec).push_back(deua);
                    deua->setParent(this);
                }
            }
        }
    }
    else
    {
        if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED)
// Stream-in ctor
AudioSampleEntry::AudioSampleEntry(MP4_FF_FILE *fp, uint32 size, uint32 type)
    : SampleEntry(fp, size, type)
{
    _pes = NULL;
    _pparent = NULL;

    if (_success)
    {
        // Read reserved values
        if (!AtomUtils::read32read32(fp, _reserved1[0], _reserved1[1]))
            _success = false;
        if (!AtomUtils::read16read16(fp, _reserved2, _reserved3))
            _success = false;
        if (!AtomUtils::read32(fp, _reserved4))
            _success = false;

        if (!AtomUtils::read16read16(fp, _timeScale, _reserved5))
            _success = false;

        if (_success)
        {
            uint32 atomType = UNKNOWN_ATOM;
            uint32 atomSize = 0;

            AtomUtils::getNextAtomType(fp, atomSize, atomType);

            if (atomType == ESD_ATOM)
            {
                PV_MP4_FF_NEW(fp->auditCB, ESDAtom, (fp, atomSize, atomType), _pes);

                if (!_pes->MP4Success())
                {
                    _success = false;
                    _mp4ErrorCode = _pes->GetMP4Error();
                }
                else
                {
                    _pes->setParent(this);
                }
            }
            else
            {
                _success = false;
                _mp4ErrorCode = READ_AUDIO_SAMPLE_ENTRY_FAILED;
            }
        }
        else
        {
            _mp4ErrorCode = READ_AUDIO_SAMPLE_ENTRY_FAILED;
        }
    }
    else
    {
        _mp4ErrorCode = READ_AUDIO_SAMPLE_ENTRY_FAILED;
    }

}
bool
AVCSampleEntry::createDecoderSpecificInfo(MP4_FF_FILE *fp)
{
    uint32 numSPS = getNumSequenceParamSets();
    uint32 numPPS = getNumPictureParamSets();
    uint32 totalSPSLen = getTotalSeqParameterSetLength();
    uint32 totalPPSLen = getTotalPictureParameterSetLength();
    uint32 len = (numSPS * 2) + (numPPS * 2) + totalSPSLen + totalPPSLen;

    if ((int32)len > 0)
    {
        PV_MP4_FF_NEW(fp->auditCB, DecoderSpecificInfo, (fp, true), _decoderSpecificInfo);

        uint8* info = (uint8*)(oscl_malloc(sizeof(uint8) * len));
        if (!info)
            return false;   // malloc failed (unlikely)
        uint8* destPtr = info;
        if (numSPS > 0)
        {
            for (uint32 i = 0; i < numSPS; i++)
            {
                uint16 len = 0;
                uint8* ptr = NULL;
                if (getSequenceParamSet(i, len, ptr) == false)
                {
                    OSCL_FREE(info);
                    return false;
                }
                oscl_memcpy(destPtr, &len, sizeof(uint16));
                destPtr += sizeof(uint16);
                oscl_memcpy(destPtr, ptr, len);
                destPtr += len;
            }
        }
        if (numPPS > 0)
        {
            for (uint32 i = 0; i < numPPS; i++)
            {
                uint16 len = 0;
                uint8* ptr = NULL;
                if (getPictureParamSet(i, len, ptr) == false)
                {
                    OSCL_FREE(info);
                    return false;
                }
                oscl_memcpy(destPtr, &len, sizeof(uint16));
                destPtr += sizeof(uint16);
                oscl_memcpy(destPtr, ptr, len);
                destPtr += len;
            }
        }
        _decoderSpecificInfo->setInfoSize(len);
        _decoderSpecificInfo->setInfo(info);
    }
    return true;
}
Ejemplo n.º 11
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// Constructor
PVA_FF_AudioSampleEntry::PVA_FF_AudioSampleEntry(PVA_FF_MP4_CODEC_TYPE codecType)
        : PVA_FF_SampleEntry(FourCharConstToUint32('m', 'p', '4', 'a'))
{
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_ESDAtom, (MEDIA_TYPE_AUDIO, codecType), _pes);

    init();
    recomputeSize();

    _pes->setParent(this);
}
// add new track
void
PVA_FF_MovieFragmentRandomAccessAtom::addTrackFragmentRandomAccessAtom(uint32 trackId)
{
    PVA_FF_TfraAtom*    pTfraAtom;
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_TfraAtom, ((trackId)), pTfraAtom);

    _pTfraList->push_back(pTfraAtom);
    pTfraAtom->setParent(this);

    recomputeSize();
}
void PVA_FF_AssetInfoKeyWordsAtom::setKeyWord(uint32 aKeyWordBinarySize,
        PVA_FF_UNICODE_HEAP_STRING aKeyWord)
{
    PVA_FF_AssetInfoKeyWordStruct* keyWordStruct = NULL;

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_AssetInfoKeyWordStruct, (aKeyWordBinarySize, aKeyWord), keyWordStruct);

    _pKeyWordVect->push_back(keyWordStruct);
    _keyWordCnt++;
    recomputeSize();
}
Ejemplo n.º 14
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// Constructor
PVA_FF_ESDAtom::PVA_FF_ESDAtom(int32 streamType, PVA_FF_MP4_CODEC_TYPE codecType)
        : PVA_FF_FullAtom(ESD_ATOM, (uint8)0, (uint32)0)
{

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_ESDescriptor, (streamType, codecType), _pdescriptor);

    init();
    recomputeSize();

    _pdescriptor->setParent(this);
}
Ejemplo n.º 15
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SchemeInformationBox:: SchemeInformationBox(MP4_FF_FILE *fp,
        uint32 size,
        uint32 type)
    :   Atom(fp, size, type)
{
    _pOMADRMKMSBox = NULL;

    if (!_success)
    {
        if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED)
        {
            _mp4ErrorCode = READ_SCHEME_INFORMATION_BOX_FAILED;
        }
        return;
    }
    uint32 count = (_size - DEFAULT_ATOM_SIZE);

    while (count > 0)
    {
        uint32 atomType = UNKNOWN_ATOM;
        uint32 atomSize = 0;
        AtomUtils::getNextAtomType(fp, atomSize, atomType);
        if (atomType == OMADRM_KMS_BOX)
        {
            if (_pOMADRMKMSBox == NULL)
            {
                PV_MP4_FF_NEW(fp->auditCB, OMADRMKMSBox, (fp, atomSize, atomType), _pOMADRMKMSBox);

                if (!_pOMADRMKMSBox->MP4Success())
                {
                    _success = false;
                    _mp4ErrorCode = _pOMADRMKMSBox->GetMP4Error();
                    break;
                }
                _pOMADRMKMSBox->setParent(this);
            }
            else
            {
                _success = false;
                _mp4ErrorCode = DUPLICATE_OMADRM_KMS_BOX;
                break;
            }
        }
        else
        {
            //skip over
            atomSize -= DEFAULT_ATOM_SIZE;
            AtomUtils::seekFromCurrPos(fp, atomSize);
        }
        count -= atomSize;
    }
    return;
}
Ejemplo n.º 16
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// Constructor - used for a NEW stream (i.e. a new track)
PVA_FF_ESDescriptor::PVA_FF_ESDescriptor(int32 streamType, PVA_FF_MP4_CODEC_TYPE codecType)
        : PVA_FF_BaseDescriptor(0x03)
{
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_DecoderConfigDescriptor, (streamType, codecType), _pdcd);
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_SLConfigDescriptor, (), _pslcd);

    _ESID = 0; // Initialize the ESID, will be set later
    init();

    recomputeSize();

    _pdcd->setParent(this);
    _pslcd->setParent(this);
}
Ejemplo n.º 17
0
// adds new track fragment to the moof
void
PVA_FF_MovieFragmentAtom::addTrackFragment(uint32 mediaType, uint32 codecType,
        uint32 trackId, uint32 timescale)
{

    PVA_FF_TrackFragmentAtom*   pTrafAtom;
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_TrackFragmentAtom, ((mediaType), (codecType),
                  (trackId), (_interleaveDuration), (timescale)), pTrafAtom);

    _pTrafList->push_back(pTrafAtom);
    pTrafAtom->setParent(this);

    // no need to recompute size. that is called by trun for parent
    recomputeSize();

    return;
}
Ejemplo n.º 18
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// constructor
PVA_FF_MovieFragmentAtom::PVA_FF_MovieFragmentAtom(uint32 sequenceNumber,
        uint32 movieFragmentDuration,
        uint32 interleaveDuration)
    : PVA_FF_Atom(MOVIE_FRAGMENT_ATOM)
{
    _movieFragmentDuration = movieFragmentDuration;
    _interleaveDuration = interleaveDuration;

    // Initialise movie fragment header atom
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_MovieFragmentHeaderAtom, ((sequenceNumber)), _pMfhdAtom);
    _pMfhdAtom->setParent(this);

    // initialise track fragment list
    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_TrackFragmentAtomVecType, (), _pTrafList);

    recomputeSize();

}
// Stream-in constructor
MpegSampleEntry::MpegSampleEntry(MP4_FF_FILE *fp, uint32 size, uint32 type)
        : SampleEntry(fp, size, type)
{
    _pes = NULL;

    if (_success)
    {
        _pparent = NULL;

        uint32 atomType = UNKNOWN_ATOM;
        uint32 atomSize = 0;

        AtomUtils::getNextAtomType(fp, atomSize, atomType);

        if (atomType == ESD_ATOM)
        {
            PV_MP4_FF_NEW(fp->auditCB, ESDAtom, (fp, atomSize, atomType), _pes);

            if (!_pes->MP4Success())
            {
                _success = false;
                _mp4ErrorCode = _pes->GetMP4Error();
            }
            else
            {
                _pes->setParent(this);
            }
        }
        else
        {
            _success = false;
            _mp4ErrorCode = READ_MPEG_SAMPLE_ENTRY_FAILED;
        }
    }
    else
    {
        _mp4ErrorCode = READ_MPEG_SAMPLE_ENTRY_FAILED;
    }
}
void
PVA_FF_MediaInformationAtom::init(int32 mediaType)
{
    iMediaType = mediaType;
    switch (mediaType)
    {
        case MEDIA_TYPE_AUDIO:
            PV_MP4_FF_NEW(fp->auditCB, PVA_FF_SoundMediaHeaderAtom, (), _pmediaInformationHeader);
            break;
        case MEDIA_TYPE_VISUAL:

            PV_MP4_FF_NEW(fp->auditCB, PVA_FF_VideoMediaHeaderAtom, (), _pmediaInformationHeader);
            break;
        default:

            PV_MP4_FF_NEW(fp->auditCB, PVA_FF_Mpeg4MediaHeaderAtom, (mediaType), _pmediaInformationHeader);
            break;
    }
    _pmediaInformationHeader->setParent(this);
    _pdataInformationAtom->setParent(this);
    _psampleTableAtom->setParent(this);
}
OSCL_EXPORT_REF  IMpeg4File *IMpeg4File::readMP4File(OSCL_wString& aFilename,
        PVMFCPMPluginAccessInterfaceFactory* aCPMAccessFactory,
        OsclFileHandle* aHandle,
        uint32 aParsingMode,
        Oscl_FileServer* aFileServSession)
{
    //optimized mode is not supported if multiple file ptrs are not allowed
    if (aParsingMode == 1)
    {
#ifndef OPEN_FILE_ONCE_PER_TRACK
        aParsingMode = 0;
#endif
    }

    MP4_FF_FILE fileStruct;
    MP4_FF_FILE *fp = &fileStruct;

    fp->_fileServSession = aFileServSession;
    fp->_pvfile.SetCPM(aCPMAccessFactory);
    fp->_pvfile.SetFileHandle(aHandle);

    if (AtomUtils::OpenMP4File(aFilename,
                               Oscl_File::MODE_READ | Oscl_File::MODE_BINARY,
                               fp) != 0)
    {
        return NULL;
    }

    uint32 fileSize;
    AtomUtils::getCurrentFileSize(fp, fileSize);
    fp->_fileSize = (int32)fileSize;

    Mpeg4File *mp4 = NULL;
    PV_MP4_FF_NEW(fp->auditCB, Mpeg4File, (fp, aFilename, aParsingMode), mp4);

    return mp4;
}
Ejemplo n.º 22
0
ESDAtom::ESDAtom(MP4_FF_FILE *fp, uint32 size, uint32 type)
        : FullAtom(fp, size, type)
{
    _pdescriptor = NULL;

    if (_success)
    {
        _pparent = NULL;

        uint8 descr_tag = AtomUtils::peekNextByte(fp);

        if (descr_tag == ES_DESCRIPTOR_TAG)
        {
            PV_MP4_FF_NEW(fp->auditCB, ESDescriptor, (fp), _pdescriptor);

            if (!_pdescriptor->MP4Success())
            {
                _success = false;
                _mp4ErrorCode = _pdescriptor->GetMP4Error();
            }
            else
            {
                _pdescriptor->setParent(this);
            }
        }
        else
        {
            _success = false;
            _mp4ErrorCode = READ_ESD_ATOM_FAILED;
        }
    }
    else
    {
        if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED)
            _mp4ErrorCode = READ_ESD_ATOM_FAILED;
    }
}
// Static method to read in an MP4 file from disk and return the IMpeg4File interface
OSCL_EXPORT_REF IMpeg4File* IMpeg4File::readMP4File(OSCL_wString& filename,
        uint32 parsingMode,
        Oscl_FileServer* fileServSession)
{
    //optimized mode is not supported if multiple file ptrs are not allowed
    if (parsingMode == 1)
    {
#ifndef OPEN_FILE_ONCE_PER_TRACK
        parsingMode = 0;
#endif
    }

    MP4_FF_FILE fileStruct;
    MP4_FF_FILE *fp = &fileStruct;
    fp->_fileServSession = fileServSession;
    if (AtomUtils::OpenMP4File(filename,
                               Oscl_File::MODE_READ | Oscl_File::MODE_BINARY,
                               fp) != 0)
    {
        return NULL;
    }

    int32 fileSize = 0;
    int32 filePointer = 0;
    filePointer = AtomUtils::getCurrentFilePosition(fp);
    AtomUtils::seekToEnd(fp);
    fileSize = AtomUtils::getCurrentFilePosition(fp);
    AtomUtils::seekFromStart(fp, filePointer);

    fp->_fileSize = fileSize;

    Mpeg4File *mp4 = NULL;
    PV_MP4_FF_NEW(fp->auditCB, Mpeg4File, (fp, filename, parsingMode), mp4);

    return mp4;
}
// Constructor
PVA_FF_MediaInformationAtom::PVA_FF_MediaInformationAtom(uint32 mediaType,
        PVA_FF_MP4_CODEC_TYPE codecType,
        uint32 fileAuthoringFlags,
        uint32 protocol,
        uint8 profile,
        uint8 profileComp,
        uint8 level)
        : PVA_FF_Atom(MEDIA_INFORMATION_ATOM)
{
    iMediaType = 0;

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_SampleTableAtom, (mediaType,
                  codecType,
                  fileAuthoringFlags,
                  protocol, profile,
                  profileComp, level), _psampleTableAtom);

    PV_MP4_FF_NEW(fp->auditCB, PVA_FF_DataInformationAtom, (), _pdataInformationAtom);

    // Create correct PVA_FF_MediaInformationHeaderAtom based on mediaType
    init(mediaType);

    recomputeSize();
}
// Stream-in ctor
SampleDescriptionAtom::SampleDescriptionAtom(MP4_FF_FILE *fp,
        uint32 mediaType,
        uint32 size,
        uint32 type)
        : FullAtom(fp, size, type),
        _pMediaType(mediaType)
{
    _psampleEntryVec      = NULL;
    _pAMRSampleEntryAtom  = NULL;
    _pH263SampleEntryAtom = NULL;
    _pAVCSampleEntryVec   = NULL;
    _o3GPPAMR = false;
    _o3GPPH263 = false;
    _o3GPPWBAMR = false;
    _oAVC = false;
    _o3GPPEVRC = false;
    _o3GPPQCELP = false;

    _p3GPP2SpeechSampleEntry = NULL;

    uint32 count = size - DEFAULT_ATOM_SIZE;
    count -= 4; //for 4-byte handle_type

    _pProtectionSchemeInformationBox = NULL;

    if (_success)
    {
        if (!AtomUtils::read32(fp, _entryCount))
        {
            _success = false;
        }
        count -= 4;
        int32 tmp = (int32)_entryCount;

        if (tmp <= 0)
        {
            _success = false;
            _mp4ErrorCode = READ_SAMPLE_DESCRIPTION_ATOM_FAILED;
            return;
        }

        if ((mediaType != MEDIA_TYPE_HINT) &&
                (mediaType != MEDIA_TYPE_TEXT))
        {
            if (tmp > MAX_ALLOWED_MEDIA_SAMPLE_ENTRIES)
            {
                _success = false;
                _mp4ErrorCode = READ_SAMPLE_DESCRIPTION_ATOM_FAILED;
                return;
            }
        }

        if (_success)
        {
            PV_MP4_FF_NEW(fp->auditCB, sampleEntryVecType, (), _psampleEntryVec);
            PV_MP4_FF_NEW(fp->auditCB, AVCSampleEntryVecType, (), _pAVCSampleEntryVec);


            for (uint32 i = 0; i < _entryCount; i++)
            {
                SampleEntry *entry = NULL;

                uint32 atomType = UNKNOWN_ATOM;
                uint32 atomSize = 0;

                AtomUtils::getNextAtomType(fp, atomSize, atomType);
                count -= atomSize;

                switch (mediaType)
                {
                    case MEDIA_TYPE_AUDIO:
                    {
                        if (atomType == ENCRYPTED_AUDIO_SAMPLE_ENTRY)
                        {
                            PV_MP4_FF_NEW(fp->auditCB, EcnaBox, (fp, atomSize, atomType), entry);
                            if (!entry->MP4Success())
                            {
                                _success = false;
                                _mp4ErrorCode = entry->GetMP4Error();
                                EcnaBox *ptr = (EcnaBox *)entry;
                                PV_MP4_FF_DELETE(NULL, EcnaBox, ptr);
                                return;
                            }
                            _pProtectionSchemeInformationBox =
                                ((EcnaBox*)entry)->_pProtectionSchemeInformationBox;
                        }
                        else if (atomType == AMR_SAMPLE_ENTRY_ATOM)
                        {
                            if (_o3GPPAMR == false)
                            {
                                PV_MP4_FF_NEW(fp->auditCB, AMRSampleEntry, (fp, atomSize, atomType), _pAMRSampleEntryAtom);

                                if (!_pAMRSampleEntryAtom->MP4Success())
                                {
                                    _success = false;
                                    _mp4ErrorCode = _pAMRSampleEntryAtom->GetMP4Error();
                                    PV_MP4_FF_DELETE(NULL, AMRSampleEntry, _pAMRSampleEntryAtom);
                                    _pAMRSampleEntryAtom = NULL;
                                    return;
                                }
                                else
                                {
                                    _pAMRSampleEntryAtom->setParent(this);
                                }
                                _o3GPPAMR = true;
                            }
                            else
                            {
                                // Multiple AMR Sample Entries are illegal
                                _success = false;
                                _mp4ErrorCode = READ_SAMPLE_DESCRIPTION_ATOM_FAILED;
                                return;
                            }
                        }
                        else if (atomType == AMRWB_SAMPLE_ENTRY_ATOM)
                        {
                            if (_o3GPPWBAMR == false)
                            {
                                PV_MP4_FF_NEW(fp->auditCB, AMRSampleEntry, (fp, atomSize, atomType), _pAMRSampleEntryAtom);

                                if (!_pAMRSampleEntryAtom->MP4Success())
                                {
                                    _success = false;
                                    _mp4ErrorCode = _pAMRSampleEntryAtom->GetMP4Error();
                                    PV_MP4_FF_DELETE(NULL, AMRSampleEntry, _pAMRSampleEntryAtom);
                                    _pAMRSampleEntryAtom = NULL;
                                    return;
                                }
                                else
                                {
                                    _pAMRSampleEntryAtom->setParent(this);
                                }
                                _o3GPPWBAMR = true;
                            }
                            else
                            {
                                // Multiple AMR Sample Entries are illegal
                                _success = false;
                                _mp4ErrorCode = READ_SAMPLE_DESCRIPTION_ATOM_FAILED;
                                return;
                            }
                        }
                        else if (atomType == AUDIO_SAMPLE_ENTRY)
                        {
                            PV_MP4_FF_NEW(fp->auditCB, AudioSampleEntry, (fp, atomSize, atomType), entry);
                            if (!entry->MP4Success())
                            {
                                _success = false;
                                _mp4ErrorCode = entry->GetMP4Error();
                                AudioSampleEntry *ptr = (AudioSampleEntry *)entry;
                                PV_MP4_FF_DELETE(NULL, AudioSampleEntry, ptr);
                                return;
                            }
                        }
                        else if ((atomType == EVRC_SAMPLE_ENTRY)   ||
                                 (atomType == EVRCB_SAMPLE_ENTRY)  ||
                                 (atomType == EVRCWB_SAMPLE_ENTRY) ||
                                 (atomType == QCELP_SAMPLE_ENTRY)  ||
                                 (atomType == SMV_SAMPLE_ENTRY)    ||
                                 (atomType == VMR_SAMPLE_ENTRY))
                        {
                            if (atomType == QCELP_SAMPLE_ENTRY)
                                _o3GPPQCELP = true;
                            else if ((atomType == EVRC_SAMPLE_ENTRY) ||
                                    (atomType == EVRCB_SAMPLE_ENTRY))
                                _o3GPPEVRC = true;

                            if (_p3GPP2SpeechSampleEntry == NULL)
                            {
                                PV_MP4_FF_NEW(fp->auditCB, SpeechSampleEntry3GPP2, (fp, atomSize, atomType), _p3GPP2SpeechSampleEntry);
                                if (!_p3GPP2SpeechSampleEntry->MP4Success())
                                {
                                    _success = false;
                                    _mp4ErrorCode = _p3GPP2SpeechSampleEntry->GetMP4Error();
                                    PV_MP4_FF_DELETE(NULL, SpeechSampleEntry3GPP2, _p3GPP2SpeechSampleEntry);
                                    _p3GPP2SpeechSampleEntry = NULL;
                                    return;
                                }
                                else
                                {
                                    _p3GPP2SpeechSampleEntry->setParent(this);
                                }
                            }
                            else
                            {
                                // Multiple Sample Entries are illegal
                                _success = false;
                                _mp4ErrorCode = READ_SAMPLE_DESCRIPTION_ATOM_FAILED;
                                return;
                            }
                        }
                        else
                        {
                            atomSize -= DEFAULT_ATOM_SIZE;
                            AtomUtils::seekFromCurrPos(fp, atomSize);
                        }
                        _handlerType = MEDIA_TYPE_AUDIO;
                        break;
                    }

                    case MEDIA_TYPE_TEXT:
                    {
// TIMED_TEXT_SUPPORT start
                        if (atomType == ENCRYPTED_TEXT_SAMPLE_ENTRY)
                        {
                            PV_MP4_FF_NEW(fp->auditCB, EnctBox, (fp, atomSize, atomType), entry);
                            if (!entry->MP4Success())
                            {
                                _success = false;
                                _mp4ErrorCode = entry->GetMP4Error();
                                EnctBox *ptr = (EnctBox *)entry;
                                PV_MP4_FF_DELETE(NULL, EnctBox, ptr);
                                return;
                            }
                            _pProtectionSchemeInformationBox =
                                ((EnctBox*)entry)->_pProtectionSchemeInformationBox;

                        }
                        else if (atomType == TEXT_SAMPLE_ENTRY)
                        {
                            PV_MP4_FF_NEW(fp->auditCB, TextSampleEntry, (fp, atomSize, atomType), entry);
                            if (!entry->MP4Success())
                            {
                                _success = false;
                                _mp4ErrorCode = entry->GetMP4Error();
                                TextSampleEntry *ptr = (TextSampleEntry *)entry;
                                PV_MP4_FF_DELETE(NULL, TextSampleEntry, ptr);
                                return;
                            }

                        }
                        else
// TIMED_TEXT_SUPPORT end
                        {
                            atomSize -= DEFAULT_ATOM_SIZE;
                            AtomUtils::seekFromCurrPos(fp, atomSize);
                        }
                        _handlerType = MEDIA_TYPE_TEXT;
                    }
                    break;

                    case MEDIA_TYPE_VISUAL:
                    {
                        if (atomType == ENCRYPTED_VIDEO_SAMPLE_ENTRY)
                        {
                            PV_MP4_FF_NEW(fp->auditCB, EcnvBox, (fp, atomSize, atomType), entry);
                            if (!entry->MP4Success())
                            {
                                _success = false;
                                _mp4ErrorCode = entry->GetMP4Error();
                                EcnvBox *ptr = (EcnvBox *)entry;
                                PV_MP4_FF_DELETE(NULL, EcnvBox, ptr);
                                return;
                            }
                            _pProtectionSchemeInformationBox =
                                ((EcnvBox*)entry)->_pProtectionSchemeInformationBox;

                        }
                        else if (atomType == H263_SAMPLE_ENTRY_ATOM)
                        {
                            if (_o3GPPH263 == false)
                            {
                                PV_MP4_FF_NEW(fp->auditCB, H263SampleEntry, (fp, atomSize, atomType), _pH263SampleEntryAtom);

                                if (!_pH263SampleEntryAtom->MP4Success())
                                {
                                    _success = false;
                                    _mp4ErrorCode = _pH263SampleEntryAtom->GetMP4Error();
                                    return;
                                }
                                else
                                {
                                    _pH263SampleEntryAtom->setParent(this);
                                }
                                _o3GPPH263 = true;
                            }
                            else
                            {
                                // Multiple H263 Sample Entries are illegal
                                _success = false;
                                _mp4ErrorCode = READ_SAMPLE_DESCRIPTION_ATOM_FAILED;
                                return;
                            }
                        }
                        else if (atomType == VIDEO_SAMPLE_ENTRY)
                        {
                            PV_MP4_FF_NEW(fp->auditCB, VisualSampleEntry, (fp, atomSize, atomType), entry);
                            if (!entry->MP4Success())
                            {
                                _success = false;
                                _mp4ErrorCode = entry->GetMP4Error();
                                VisualSampleEntry *ptr = (VisualSampleEntry *)entry;
                                PV_MP4_FF_DELETE(NULL, VisualSampleEntry, ptr);
                                return;
                            }
                        }
                        else if (atomType == AVC_SAMPLE_ENTRY)
                        {
                            if (_oAVC == false)
                            {
                                AVCSampleEntry* pAVCSampleEntry = NULL;
                                PV_MP4_FF_NEW(fp->auditCB, AVCSampleEntry, (fp, atomSize, atomType), pAVCSampleEntry);
                                if (!pAVCSampleEntry->MP4Success())
                                {
                                    _success = false;
                                    _mp4ErrorCode = pAVCSampleEntry->GetMP4Error();
                                    PV_MP4_FF_DELETE(NULL, AVCSampleEntry, pAVCSampleEntry);
                                    return;
                                }
                                else
                                {
                                    pAVCSampleEntry->setParent(this);
                                }
                                _oAVC = true;

                                if (pAVCSampleEntry != NULL)
                                {
                                    (*_pAVCSampleEntryVec).push_back(pAVCSampleEntry);
                                }
                            }
                            else
                            {
                                // Multiple AVC Sample Entries are illegal
                                _success = false;
                                _mp4ErrorCode = READ_SAMPLE_DESCRIPTION_ATOM_FAILED;
                                return;
                            }
                        }
                        else
                        {
                            atomSize -= DEFAULT_ATOM_SIZE;
                            AtomUtils::seekFromCurrPos(fp, atomSize);
                        }
                        _handlerType = MEDIA_TYPE_VISUAL;
                        break;
                    }

                    default:
                    {
                        atomSize -= DEFAULT_ATOM_SIZE;
                        AtomUtils::seekFromCurrPos(fp, atomSize);
                    }
                }

                if (entry != NULL)
                {
                    if (!entry->MP4Success())
                    {
                        _success = false;
                        _mp4ErrorCode = entry->GetMP4Error();
                        break; // Break out of the for loop
                    }
                    else
                    {
                        entry->setParent(this);
                        (*_psampleEntryVec).push_back(entry);
                    }
                }
            } // end for loop
            if (count > 0)
            {
                //skip the rest of bytes
                AtomUtils::seekFromCurrPos(fp, count);
            }

        } // end if success

    }
    else
    {
        if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED)
Ejemplo n.º 26
0
MetaDataAtom::MetaDataAtom(MP4_FF_FILE *fp, uint32 size, uint32 type): Atom(fp, size, type)
{
    _success = true;

    // User ilst Data
    _pITunesILSTAtom = NULL;
    _pHdlrAtom = NULL;
    int32 _count = _size - getDefaultSize();

    uint32 data_32_hdlr = 0;
    iLogger = PVLogger::GetLoggerObject("mp4ffparser");

    // Skip first 4 bytes.
    if (!AtomUtils::read32(fp, data_32_hdlr))
    {
        _success = false;
        _mp4ErrorCode = READ_META_DATA_FAILED;
        PVMF_MP4FFPARSER_LOGERROR((0, "ERROR =>MetaDataAtom::MetaDataAtom READ_META_DATA_FAILED   if(!AtomUtils::read32(fp,data_32_hdlr)))"));
        return;
    }
    _count -= 4;

    while (_count > 0)
    {
        uint32 atomType = UNKNOWN_ATOM;
        uint32 atomSize = 0;

        uint32 currPtr = AtomUtils::getCurrentFilePosition(fp);
        AtomUtils::getNextAtomType(fp, atomSize, atomType);

        // Validate atomSize
        if (atomSize < DEFAULT_ATOM_SIZE)
        {
            _success = false;
            _mp4ErrorCode = ZERO_OR_NEGATIVE_ATOM_SIZE;
            break;
        }

        if ((atomType == FREE_SPACE_ATOM) || (atomType == UNKNOWN_ATOM))
        {
            //skip the atom
            if (_count < atomSize)
            {
                AtomUtils::seekFromStart(fp, currPtr);
                AtomUtils::seekFromCurrPos(fp, _count);
                _count = 0;
                return;
            }

            _count -= atomSize;
            atomSize -= DEFAULT_ATOM_SIZE;
            AtomUtils::seekFromCurrPos(fp, atomSize);
        }
        else if (atomType == HANDLER_ATOM)
        {
            PV_MP4_FF_NEW(fp->auditCB, HandlerAtom, (fp, atomSize, atomType), _pHdlrAtom);

            if (!_pHdlrAtom->MP4Success())
            {
                AtomUtils::seekFromStart(fp, currPtr);
                AtomUtils::seekFromCurrPos(fp, atomSize);
                PV_MP4_FF_DELETE(NULL, HandlerAtom, _pHdlrAtom);
                _pHdlrAtom = NULL;
                _count -= atomSize;
            }

            if (_pHdlrAtom != NULL)
            {
                if (_pHdlrAtom->getHandlerType() != ITUNES_MDIRAPPL_HDLR_PART1)
                {
                    // Skip the parsing...
                    fp->_pvfile.Seek(atomSize, Oscl_File::SEEKCUR);
                    return;
                }
                _count -= _pHdlrAtom->getSize();
            }
        }
        // Read the ilst Atom
        else if (atomType == ITUNES_ILST_ATOM)
        {
            PV_MP4_FF_NEW(fp->auditCB, ITunesILSTAtom, (fp, atomSize, atomType), _pITunesILSTAtom);

            if (!_pITunesILSTAtom->MP4Success())
            {
                AtomUtils::seekFromStart(fp, currPtr);
                AtomUtils::seekFromCurrPos(fp, atomSize);
                PV_MP4_FF_DELETE(NULL, ITunesILSTAtom, _pITunesILSTAtom);
                _pITunesILSTAtom = NULL;
                _count -= atomSize;
            }
            else
                _count -= _pITunesILSTAtom->getSize();
        }
        else
        {
            //Unexpected atomType. Flag an error.
            _success = false;
            _mp4ErrorCode = READ_META_DATA_FAILED;
            break;
        }
    }
}
// Constructor
MovieExtendsAtom::MovieExtendsAtom(MP4_FF_FILE *fp,
                                   uint32 size,
                                   uint32 type)
        : Atom(fp, size, type)
{
    _pMovieExtendsHeaderAtom        = NULL;

    PV_MP4_FF_NEW(fp->auditCB, trackExtendsAtomVecType, (), _pTrackExtendsAtomVec);

    uint32 count = size - DEFAULT_ATOM_SIZE;

    if (_success)
    {
        while (count > 0)
        {
            uint32 atomType = UNKNOWN_ATOM;
            uint32 atomSize = 0;

            AtomUtils::getNextAtomType(fp, atomSize, atomType);

            if (atomType == MOVIE_EXTENDS_HEADER_ATOM)
            {
                if (_pMovieExtendsHeaderAtom == NULL)
                {
                    PV_MP4_FF_NEW(fp->auditCB, MovieExtendsHeaderAtom, (fp, atomSize, atomType), _pMovieExtendsHeaderAtom);
                    if (!_pMovieExtendsHeaderAtom->MP4Success())
                    {
                        _success = false;
                        _mp4ErrorCode = READ_MOVIE_EXTENDS_HEADER_FAILED;
                        return;
                    }
                    count -= _pMovieExtendsHeaderAtom->getSize();
                }
                else
                {
                    //duplicate atom
                    count -= atomSize;
                    atomSize -= DEFAULT_ATOM_SIZE;
                    AtomUtils::seekFromCurrPos(fp, atomSize);
                }
            }
            else if (atomType == TRACK_EXTENDS_ATOM)
            {
                TrackExtendsAtom *pTrackExtendsAtom = NULL;
                PV_MP4_FF_NEW(fp->auditCB, TrackExtendsAtom, (fp, atomSize, atomType), pTrackExtendsAtom);
                if (!pTrackExtendsAtom->MP4Success())
                {
                    _success = false;
                    PV_MP4_FF_DELETE(NULL, TrackExtendsAtom, pTrackExtendsAtom);
                    _mp4ErrorCode = READ_TRACK_EXTENDS_ATOM_FAILED;
                    return;
                }
                count -= pTrackExtendsAtom->getSize();
                _pTrackExtendsAtomVec->push_back(pTrackExtendsAtom);
            }

        }
    }
    else
    {
        _mp4ErrorCode = READ_MOVIE_EXTENDS_ATOM_FAILED;
    }
}
AVCConfigurationBox::AVCConfigurationBox(MP4_FF_FILE *fp, uint32 size, uint32 type)
        : Atom(fp, size, type)
{
    _mp4ErrorCode = READ_AVC_CONFIG_BOX_FAILED;

    _sequenceParameterSetVec = NULL;
    _pictureParameterSetVec  = NULL;
    _totalSeqParameterSetLength = 0;
    _totalPicutureParameterSetLength = 0;

    if (_success)
    {
        _success = false;
        _pparent = NULL;

        PV_MP4_FF_NEW(fp->auditCB, parameterSetVecType, (), _sequenceParameterSetVec);
        PV_MP4_FF_NEW(fp->auditCB, parameterSetVecType, (), _pictureParameterSetVec);

        if (!AtomUtils::read8(fp, _configurationVersion))
        {
            return;
        }
        if (!AtomUtils::read8(fp, _avcProfileIndication))
        {
            return;
        }
        if (!AtomUtils::read8(fp, _profileCompatibility))
        {
            return;
        }

        if (!AtomUtils::read8(fp, _avcLevelIndication))
        {
            return;
        }

        _constraint_set0_flag = (uint8)((_profileCompatibility & ~0x7F) >> 7);
        _constraint_set1_flag = (uint8)((_profileCompatibility & ~0xBF) >> 6);
        _constraint_set2_flag = (uint8)((_profileCompatibility & ~0xDF) >> 5);
        _reserved_zero_5bits = 0;

        if (!AtomUtils::read8(fp, _lengthSizeMinusOne))
        {
            return;
        }
        _lengthSizeMinusOne &= LENGTH_SIZE_MINUS_ONE_MASK;

        if (!AtomUtils::read8(fp, _numSequenceParameterSets))
        {
            return;
        }
        _numSequenceParameterSets &= NUM_SEQUENCE_PARAM_SETS_MASK;

        uint8 i;
        uint16 parameterSetLen;

        for (i = 0; i < _numSequenceParameterSets; i++)
        {
            if (!AtomUtils::read16(fp, parameterSetLen))
            {
                return;
            }

            _totalSeqParameterSetLength += parameterSetLen;

            ParameterSet *paramSet = NULL;
            PV_MP4_FF_NEW(fp->auditCB, ParameterSet, (parameterSetLen, fp), paramSet);

            if (!(paramSet->getSuccess()))
            {
                PV_MP4_FF_DELETE(NULL, ParameterSet, paramSet);
                return;
            }

            (*_sequenceParameterSetVec).push_back(paramSet);

        }

        if (!AtomUtils::read8(fp, _numPictureParameterSets))
        {
            return;
        }

        for (i = 0; i < _numPictureParameterSets; i++)
        {
            if (!AtomUtils::read16(fp, parameterSetLen))
            {
                return;
            }

            _totalPicutureParameterSetLength += parameterSetLen;

            ParameterSet *paramSet = NULL;
            PV_MP4_FF_NEW(fp->auditCB, ParameterSet, (parameterSetLen, fp), paramSet);

            if (!(paramSet->getSuccess()))
            {
                PV_MP4_FF_DELETE(NULL, ParameterSet, paramSet);
                return;
            }

            (*_pictureParameterSetVec).push_back(paramSet);

        }
        _success = true;
        _mp4ErrorCode = EVERYTHING_FINE;

    }
}
Ejemplo n.º 29
0
EcnaBox::EcnaBox(MP4_FF_FILE *fp, uint32 size, uint32 type)
    : SampleEntry(fp, size, type)
{
    _pes = NULL;
    _pparent = NULL;
    _pProtectionSchemeInformationBox = NULL;
    _pAMRSpecificAtom = NULL;
    _pAMRDecSpecInfoArray = NULL;
    _pAMRWBSpecificAtom = NULL;
    _pAMRWBDecSpecInfoArray = NULL;

    int32 count = (_size - DEFAULT_ATOM_SIZE);

    if (_success)
    {
        // Read reserved values
        if (!AtomUtils::read32read32(fp, _reserved1[0], _reserved1[1]))
            _success = false;
        count -= 8;

        if (!AtomUtils::read16read16(fp, _reserved2, _reserved3))
            _success = false;
        count -= 4;

        if (!AtomUtils::read32(fp, _reserved4))
            _success = false;
        count -= 4;

        if (!AtomUtils::read16read16(fp, _timeScale, _reserved5))
            _success = false;
        count -= 4;

        if (_success)
        {
            uint32 atomType = UNKNOWN_ATOM;
            uint32 atomSize = 0;

            while (count > 0)
            {
                AtomUtils::getNextAtomType(fp, atomSize, atomType);
                if (atomSize > count)
                {
                    _mp4ErrorCode = READ_AUDIO_SAMPLE_ENTRY_FAILED;
                    break;
                }
                count -= atomSize;

                if (atomType == ESD_ATOM)
                {
                    PV_MP4_FF_NEW(fp->auditCB, ESDAtom, (fp, atomSize, atomType), _pes);

                    if (!_pes->MP4Success())
                    {
                        _success = false;
                        _mp4ErrorCode = _pes->GetMP4Error();
                        break;
                    }
                    else
                    {
                        _pes->setParent(this);
                    }
                }
                else if (atomType == AMR_SPECIFIC_ATOM)
                {
                    PV_MP4_FF_NEW(fp->auditCB, AMRSpecificAtom, (fp, atomSize, atomType), _pAMRSpecificAtom);

                    if (!_pAMRSpecificAtom->MP4Success())
                    {
                        _success = false;
                        _mp4ErrorCode = READ_AMR_SAMPLE_ENTRY_FAILED;
                    }

                    PV_MP4_FF_NEW(fp->auditCB, decoderSpecificInfoVecType, (), _pAMRDecSpecInfoArray);

                    for (uint32 i = 0; i < 16; i++)
                    {
                        AMRDecoderSpecificInfo *pinfo = NULL;
                        PV_MP4_FF_NEW(fp->auditCB, AMRDecoderSpecificInfo, (fp, true), pinfo);

                        pinfo->_frame_type = (uint8)i;
                        pinfo->_codec_version = _pAMRSpecificAtom->getDecoderVersion();
                        pinfo->_mode_change_period = _pAMRSpecificAtom->getModeChangePeriod();
                        pinfo->_mode_set = _pAMRSpecificAtom->getModeSet();
                        pinfo->_mode_change_neighbour = false;

                        (*_pAMRDecSpecInfoArray).push_back(pinfo);
                    }
                }
                else if (atomType == AMRWB_SAMPLE_ENTRY_ATOM)
                {
                    PV_MP4_FF_NEW(fp->auditCB, AMRSpecificAtom, (fp, atomSize, atomType), _pAMRWBSpecificAtom);

                    if (!_pAMRWBSpecificAtom->MP4Success())
                    {
                        _success = false;
                        _mp4ErrorCode = READ_AMR_SAMPLE_ENTRY_FAILED;
                    }

                    PV_MP4_FF_NEW(fp->auditCB, decoderSpecificInfoVecType, (), _pAMRWBDecSpecInfoArray);

                    for (uint32 i = 0; i < 16; i++)
                    {
                        AMRDecoderSpecificInfo *pinfo = NULL;
                        PV_MP4_FF_NEW(fp->auditCB, AMRDecoderSpecificInfo, (fp, true), pinfo);

                        pinfo->_frame_type = (uint8)i;
                        pinfo->_codec_version = _pAMRWBSpecificAtom->getDecoderVersion();
                        pinfo->_mode_change_period = _pAMRWBSpecificAtom->getModeChangePeriod();
                        pinfo->_mode_set = _pAMRWBSpecificAtom->getModeSet();
                        pinfo->_mode_change_neighbour = false;

                        (*_pAMRWBDecSpecInfoArray).push_back(pinfo);
                    }
                }
                else if (atomType == PROTECTION_SCHEME_INFO_BOX)
Ejemplo n.º 30
0
ProtectionSchemeInformationBox:: ProtectionSchemeInformationBox(MP4_FF_FILE *fp,
        uint32 size,
        uint32 type)
    :   Atom(fp, size, type)
{
    _pSchemeInformationBox = NULL;
    _pOriginalFormatBox = NULL;

    if (!_success)
    {
        if (_mp4ErrorCode != ATOM_VERSION_NOT_SUPPORTED)
        {
            _mp4ErrorCode = READ_SCHEME_INFORMATION_BOX_FAILED;
        }
        return;
    }
    int32 count = (_size - DEFAULT_ATOM_SIZE);

    while (count > 0)
    {
        uint32 atomType = UNKNOWN_ATOM;
        uint32 atomSize = 0;
        AtomUtils::getNextAtomType(fp, atomSize, atomType);
        if (atomType == SCHEME_INFORMATION_BOX)
        {
            if (_pSchemeInformationBox == NULL)
            {
                PV_MP4_FF_NEW(fp->auditCB,
                              SchemeInformationBox,
                              (fp, atomSize, atomType),
                              _pSchemeInformationBox);

                if (!_pSchemeInformationBox->MP4Success())
                {
                    _success = false;
                    _mp4ErrorCode = _pSchemeInformationBox->GetMP4Error();
                    break;
                }
                _pSchemeInformationBox->setParent(this);
            }
            else
            {
                //skip over
                AtomUtils::seekFromCurrPos(fp, (atomSize - DEFAULT_ATOM_SIZE));
            }
        }

        else if (atomType == ORIGINAL_FORMAT_BOX)
        {
            if (_pOriginalFormatBox == NULL)
            {
                PV_MP4_FF_NEW(fp->auditCB,
                              OriginalFormatbox,
                              (fp, atomSize, atomType),
                              _pOriginalFormatBox);

                if (!_pOriginalFormatBox ->MP4Success())
                {
                    _success = false;
                    _mp4ErrorCode = _pOriginalFormatBox ->GetMP4Error();
                    break;
                }
                _pOriginalFormatBox ->setParent(this);
            }
            else
            {
                //skip over
                AtomUtils::seekFromCurrPos(fp, (atomSize - DEFAULT_ATOM_SIZE));
            }
        }

        else
        {
            //skip over
            AtomUtils::seekFromCurrPos(fp, (atomSize - DEFAULT_ATOM_SIZE));
        }

        if (atomSize >= DEFAULT_ATOM_SIZE)
        {
            //Decrement count
            count -= atomSize;
        }
        else
        {
            // Invalid atomSize
            _success = false;
            _mp4ErrorCode = ZERO_OR_NEGATIVE_ATOM_SIZE;
            break;
        }
    }

    if (count < 0)
    {
        //count can't be negative. Something went wrong during the read.
        _success = false;
        _mp4ErrorCode = READ_SCHEME_INFORMATION_BOX_FAILED;
    }

    return;
}