diff options
Diffstat (limited to 'debian/mp4v2/mp4v2-2.0.0~dfsg0/src/descriptors.cpp')
-rw-r--r-- | debian/mp4v2/mp4v2-2.0.0~dfsg0/src/descriptors.cpp | 616 |
1 files changed, 0 insertions, 616 deletions
diff --git a/debian/mp4v2/mp4v2-2.0.0~dfsg0/src/descriptors.cpp b/debian/mp4v2/mp4v2-2.0.0~dfsg0/src/descriptors.cpp deleted file mode 100644 index e83fc66f..00000000 --- a/debian/mp4v2/mp4v2-2.0.0~dfsg0/src/descriptors.cpp +++ /dev/null @@ -1,616 +0,0 @@ -/* - * 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] - */ - -#include "src/impl.h" - -namespace mp4v2 { -namespace impl { - -/////////////////////////////////////////////////////////////////////////////// - -MP4BaseDescriptor::MP4BaseDescriptor (MP4Atom& parentAtom, uint8_t tag) : MP4Descriptor(parentAtom, tag) -{ - switch (tag) { - case MP4ESIDIncDescrTag: - AddProperty( /* 0 */ - new MP4Integer32Property(parentAtom, "id")); - break; - case MP4ESIDRefDescrTag: - AddProperty( /* 0 */ - new MP4Integer16Property(parentAtom, "refIndex")); - break; - case MP4IPIPtrDescrTag: - AddProperty( /* 0 */ - new MP4Integer16Property(parentAtom, "IPIESId")); - break; - case MP4SupplContentIdDescrTag: - AddProperty( /* 0 */ - new MP4BytesProperty(parentAtom, "languageCode", 3)); - AddProperty( /* 1 */ - new MP4StringProperty(parentAtom, "title", Counted)); - AddProperty( /* 2 */ - new MP4StringProperty(parentAtom, "value", Counted)); - break; - case MP4IPMPPtrDescrTag: - AddProperty( /* 0 */ - new MP4Integer8Property(parentAtom, "IPMPDescriptorId")); - break; - case MP4ExtProfileLevelDescrTag: - AddProperty( /* 0 */ - new MP4Integer8Property(parentAtom, "profileLevelIndicationIndex")); - AddProperty( /* 1 */ - new MP4Integer8Property(parentAtom, "ODProfileLevelIndication")); - AddProperty( /* 2 */ - new MP4Integer8Property(parentAtom, "sceneProfileLevelIndication")); - AddProperty( /* 3 */ - new MP4Integer8Property(parentAtom, "audioProfileLevelIndication")); - AddProperty( /* 4 */ - new MP4Integer8Property(parentAtom, "visualProfileLevelIndication")); - AddProperty( /* 5 */ - new MP4Integer8Property(parentAtom, "graphicsProfileLevelIndication")); - AddProperty( /* 6 */ - new MP4Integer8Property(parentAtom, "MPEGJProfileLevelIndication")); - break; - default: - log.errorf("%s: \"%s\": error in base descriptor - tag %u", __FUNCTION__, - m_parentAtom.GetFile().GetFilename().c_str(), tag); - break; - - } -} - -MP4BytesDescriptor::MP4BytesDescriptor (MP4Atom& parentAtom, uint8_t tag) : MP4Descriptor(parentAtom, tag) -{ - m_size_offset = 0; - m_bytes_index = 0; - if (tag >= MP4ExtDescrTagsStart && tag <= MP4ExtDescrTagsEnd) { - AddProperty( /* 0 */ - new MP4BytesProperty(parentAtom, "data")); - } else { - switch (tag) { - case MP4DecSpecificDescrTag: - AddProperty( /* 0 */ - new MP4BytesProperty(parentAtom, "info")); - // no change to m_size - break; - case MP4IPMPDescrTag: - AddProperty( /* 0 */ - new MP4Integer8Property(parentAtom, "IPMPDescriptorId")); - AddProperty( /* 1 */ - new MP4Integer16Property(parentAtom, "IPMPSType")); - AddProperty( /* 2 */ - new MP4BytesProperty(parentAtom, "IPMPData")); - /* note: if IPMPSType == 0, IPMPData is an URL */ - m_size_offset = 3; - m_bytes_index = 2; - break; - case MP4RegistrationDescrTag: - AddProperty( /* 0 */ - new MP4Integer32Property(parentAtom, "formatIdentifier")); - AddProperty( /* 1 */ - new MP4BytesProperty(parentAtom, "additionalIdentificationInfo")); - m_size_offset = 4; - m_bytes_index = 1; - break; - default: - log.errorf("%s: \"%s\": error in bytes descriptor - tag %u", __FUNCTION__, - m_parentAtom.GetFile().GetFilename().c_str(), tag); - break; - } - } -} - -void MP4BytesDescriptor::Read(MP4File& file) -{ - ReadHeader(file); - - /* byte properties need to know how long they are before reading */ - ((MP4BytesProperty*)m_pProperties[m_bytes_index])->SetValueSize(m_size - m_size_offset); - - ReadProperties(file); -} -MP4IODescriptor::MP4IODescriptor(MP4Atom& parentAtom) - : MP4Descriptor(parentAtom, MP4FileIODescrTag) -{ - /* N.B. other member functions depend on the property indicies */ - AddProperty( /* 0 */ - new MP4BitfieldProperty(parentAtom, "objectDescriptorId", 10)); - AddProperty( /* 1 */ - new MP4BitfieldProperty(parentAtom, "URLFlag", 1)); - AddProperty( /* 2 */ - new MP4BitfieldProperty(parentAtom, "includeInlineProfileLevelFlag", 1)); - AddProperty( /* 3 */ - new MP4BitfieldProperty(parentAtom, "reserved", 4)); - AddProperty( /* 4 */ - new MP4StringProperty(parentAtom, "URL", Counted)); - AddProperty( /* 5 */ - new MP4Integer8Property(parentAtom, "ODProfileLevelId")); - AddProperty( /* 6 */ - new MP4Integer8Property(parentAtom, "sceneProfileLevelId")); - AddProperty( /* 7 */ - new MP4Integer8Property(parentAtom, "audioProfileLevelId")); - AddProperty( /* 8 */ - new MP4Integer8Property(parentAtom, "visualProfileLevelId")); - AddProperty( /* 9 */ - new MP4Integer8Property(parentAtom, "graphicsProfileLevelId")); - AddProperty( /* 10 */ - new MP4DescriptorProperty(parentAtom, "esIds", - MP4ESIDIncDescrTag, 0, Required, Many)); - AddProperty( /* 11 */ - new MP4DescriptorProperty(parentAtom, "ociDescr", - MP4OCIDescrTagsStart, MP4OCIDescrTagsEnd, Optional, Many)); - AddProperty( /* 12 */ - new MP4DescriptorProperty(parentAtom, "ipmpDescrPtr", - MP4IPMPPtrDescrTag, 0, Optional, Many)); - AddProperty( /* 13 */ - new MP4DescriptorProperty(parentAtom, "extDescr", - MP4ExtDescrTagsStart, MP4ExtDescrTagsEnd, Optional, Many)); - - SetReadMutate(2); -} - -void MP4IODescriptor::Generate() -{ - ((MP4BitfieldProperty*)m_pProperties[0])->SetValue(1); - ((MP4BitfieldProperty*)m_pProperties[3])->SetValue(0xF); - for (uint32_t i = 5; i <= 9; i++) { - ((MP4Integer8Property*)m_pProperties[i])->SetValue(0xFF); - } -} - -void MP4IODescriptor::Mutate() -{ - bool urlFlag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(); - - m_pProperties[4]->SetImplicit(!urlFlag); - for (uint32_t i = 5; i <= 12; i++) { - m_pProperties[i]->SetImplicit(urlFlag); - } -} - -MP4ODescriptor::MP4ODescriptor(MP4Atom& parentAtom) - : MP4Descriptor(parentAtom, MP4FileODescrTag) -{ - /* N.B. other member functions depend on the property indicies */ - AddProperty( /* 0 */ - new MP4BitfieldProperty(parentAtom, "objectDescriptorId", 10)); - AddProperty( /* 1 */ - new MP4BitfieldProperty(parentAtom, "URLFlag", 1)); - AddProperty( /* 2 */ - new MP4BitfieldProperty(parentAtom, "reserved", 5)); - AddProperty( /* 3 */ - new MP4StringProperty(parentAtom, "URL", Counted)); - AddProperty( /* 4 */ - new MP4DescriptorProperty(parentAtom, "esIds", - MP4ESIDRefDescrTag, 0, Required, Many)); - AddProperty( /* 5 */ - new MP4DescriptorProperty(parentAtom, "ociDescr", - MP4OCIDescrTagsStart, MP4OCIDescrTagsEnd, Optional, Many)); - AddProperty( /* 6 */ - new MP4DescriptorProperty(parentAtom, "ipmpDescrPtr", - MP4IPMPPtrDescrTag, 0, Optional, Many)); - AddProperty( /* 7 */ - new MP4DescriptorProperty(parentAtom, "extDescr", - MP4ExtDescrTagsStart, MP4ExtDescrTagsEnd, Optional, Many)); - - SetReadMutate(2); -} - -void MP4ODescriptor::Generate() -{ - ((MP4BitfieldProperty*)m_pProperties[2])->SetValue(0x1F); -} - -void MP4ODescriptor::Mutate() -{ - bool urlFlag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(); - - m_pProperties[3]->SetImplicit(!urlFlag); - for (uint32_t i = 4; i <= 6; i++) { - m_pProperties[i]->SetImplicit(urlFlag); - } -} - -MP4ESDescriptor::MP4ESDescriptor(MP4Atom& parentAtom) - : MP4Descriptor(parentAtom, MP4ESDescrTag) -{ - /* N.B. other class functions depend on the property indicies */ - AddProperty( /* 0 */ - new MP4Integer16Property(parentAtom, "ESID")); - AddProperty( /* 1 */ - new MP4BitfieldProperty(parentAtom, "streamDependenceFlag", 1)); - AddProperty( /* 2 */ - new MP4BitfieldProperty(parentAtom, "URLFlag", 1)); - AddProperty( /* 3 */ - new MP4BitfieldProperty(parentAtom, "OCRstreamFlag", 1)); - AddProperty( /* 4 */ - new MP4BitfieldProperty(parentAtom, "streamPriority", 5)); - AddProperty( /* 5 */ - new MP4Integer16Property(parentAtom, "dependsOnESID")); - AddProperty( /* 6 */ - new MP4StringProperty(parentAtom, "URL", Counted)); - AddProperty( /* 7 */ - new MP4Integer16Property(parentAtom, "OCRESID")); - AddProperty( /* 8 */ - new MP4DescriptorProperty(parentAtom, "decConfigDescr", - MP4DecConfigDescrTag, 0, Required, OnlyOne)); - AddProperty( /* 9 */ - new MP4DescriptorProperty(parentAtom, "slConfigDescr", - MP4SLConfigDescrTag, 0, Required, OnlyOne)); - AddProperty( /* 10 */ - new MP4DescriptorProperty(parentAtom, "ipiPtr", - MP4IPIPtrDescrTag, 0, Optional, OnlyOne)); - AddProperty( /* 11 */ - new MP4DescriptorProperty(parentAtom, "ipIds", - MP4ContentIdDescrTag, MP4SupplContentIdDescrTag, Optional, Many)); - AddProperty( /* 12 */ - new MP4DescriptorProperty(parentAtom, "ipmpDescrPtr", - MP4IPMPPtrDescrTag, 0, Optional, Many)); - AddProperty( /* 13 */ - new MP4DescriptorProperty(parentAtom, "langDescr", - MP4LanguageDescrTag, 0, Optional, Many)); - AddProperty( /* 14 */ - new MP4DescriptorProperty(parentAtom, "qosDescr", - MP4QosDescrTag, 0, Optional, OnlyOne)); - AddProperty( /* 15 */ - new MP4DescriptorProperty(parentAtom, "regDescr", - MP4RegistrationDescrTag, 0, Optional, OnlyOne)); - AddProperty( /* 16 */ - new MP4DescriptorProperty(parentAtom, "extDescr", - MP4ExtDescrTagsStart, MP4ExtDescrTagsEnd, Optional, Many)); - - SetReadMutate(5); -} - -void MP4ESDescriptor::Mutate() -{ - bool streamDependFlag = - ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(); - m_pProperties[5]->SetImplicit(!streamDependFlag); - - bool urlFlag = - ((MP4BitfieldProperty*)m_pProperties[2])->GetValue(); - m_pProperties[6]->SetImplicit(!urlFlag); - - bool ocrFlag = - ((MP4BitfieldProperty*)m_pProperties[3])->GetValue(); - m_pProperties[7]->SetImplicit(!ocrFlag); -} - -MP4DecConfigDescriptor::MP4DecConfigDescriptor(MP4Atom& parentAtom) - : MP4Descriptor(parentAtom, MP4DecConfigDescrTag) -{ - AddProperty( /* 0 */ - new MP4Integer8Property(parentAtom, "objectTypeId")); - AddProperty( /* 1 */ - new MP4BitfieldProperty(parentAtom, "streamType", 6)); - AddProperty( /* 2 */ - new MP4BitfieldProperty(parentAtom, "upStream", 1)); - AddProperty( /* 3 */ - new MP4BitfieldProperty(parentAtom, "reserved", 1)); - AddProperty( /* 4 */ - new MP4BitfieldProperty(parentAtom, "bufferSizeDB", 24)); - AddProperty( /* 5 */ - new MP4Integer32Property(parentAtom, "maxBitrate")); - AddProperty( /* 6 */ - new MP4Integer32Property(parentAtom, "avgBitrate")); - AddProperty( /* 7 */ - new MP4DescriptorProperty(parentAtom, "decSpecificInfo", - MP4DecSpecificDescrTag, 0, Optional, OnlyOne)); - AddProperty( /* 8 */ - new MP4DescriptorProperty(parentAtom, "profileLevelIndicationIndexDescr", - MP4ExtProfileLevelDescrTag, 0, Optional, Many)); -} - -void MP4DecConfigDescriptor::Generate() -{ - ((MP4BitfieldProperty*)m_pProperties[3])->SetValue(1); -} - -MP4SLConfigDescriptor::MP4SLConfigDescriptor(MP4Atom& parentAtom) - : MP4Descriptor(parentAtom, MP4SLConfigDescrTag) -{ - AddProperty( /* 0 */ - new MP4Integer8Property(parentAtom, "predefined")); - AddProperty( /* 1 */ - new MP4BitfieldProperty(parentAtom, "useAccessUnitStartFlag", 1)); - AddProperty( /* 2 */ - new MP4BitfieldProperty(parentAtom, "useAccessUnitEndFlag", 1)); - AddProperty( /* 3 */ - new MP4BitfieldProperty(parentAtom, "useRandomAccessPointFlag", 1)); - AddProperty( /* 4 */ - new MP4BitfieldProperty(parentAtom, "hasRandomAccessUnitsOnlyFlag", 1)); - AddProperty( /* 5 */ - new MP4BitfieldProperty(parentAtom, "usePaddingFlag", 1)); - AddProperty( /* 6 */ - new MP4BitfieldProperty(parentAtom, "useTimeStampsFlag", 1)); - AddProperty( /* 7 */ - new MP4BitfieldProperty(parentAtom, "useIdleFlag", 1)); - AddProperty( /* 8 */ - new MP4BitfieldProperty(parentAtom, "durationFlag", 1)); - AddProperty( /* 9 */ - new MP4Integer32Property(parentAtom, "timeStampResolution")); - AddProperty( /* 10 */ - new MP4Integer32Property(parentAtom, "OCRResolution")); - AddProperty( /* 11 */ - new MP4Integer8Property(parentAtom, "timeStampLength")); - AddProperty( /* 12 */ - new MP4Integer8Property(parentAtom, "OCRLength")); - AddProperty( /* 13 */ - new MP4Integer8Property(parentAtom, "AULength")); - AddProperty( /* 14 */ - new MP4Integer8Property(parentAtom, "instantBitrateLength")); - AddProperty( /* 15 */ - new MP4BitfieldProperty(parentAtom, "degradationPriortyLength", 4)); - AddProperty( /* 16 */ - new MP4BitfieldProperty(parentAtom, "AUSeqNumLength", 5)); - AddProperty( /* 17 */ - new MP4BitfieldProperty(parentAtom, "packetSeqNumLength", 5)); - AddProperty( /* 18 */ - new MP4BitfieldProperty(parentAtom, "reserved", 2)); - - // if durationFlag - AddProperty( /* 19 */ - new MP4Integer32Property(parentAtom, "timeScale")); - AddProperty( /* 20 */ - new MP4Integer16Property(parentAtom, "accessUnitDuration")); - AddProperty( /* 21 */ - new MP4Integer16Property(parentAtom, "compositionUnitDuration")); - - // if !useTimeStampsFlag - AddProperty( /* 22 */ - new MP4BitfieldProperty(parentAtom, "startDecodingTimeStamp", 64)); - AddProperty( /* 23 */ - new MP4BitfieldProperty(parentAtom, "startCompositionTimeStamp", 64)); -} - -void MP4SLConfigDescriptor::Generate() -{ - // by default all tracks in an mp4 file - // use predefined SLConfig descriptor == 2 - ((MP4Integer8Property*)m_pProperties[0])->SetValue(2); - - // which implies UseTimestampsFlag = 1 - ((MP4BitfieldProperty*)m_pProperties[6])->SetValue(1); - - // reserved = 3 - ((MP4BitfieldProperty*)m_pProperties[18])->SetValue(3); -} - -void MP4SLConfigDescriptor::Read(MP4File& file) -{ - ReadHeader(file); - - // read the first property, 'predefined' - ReadProperties(file, 0, 1); - - // if predefined == 0 - if (((MP4Integer8Property*)m_pProperties[0])->GetValue() == 0) { - - /* read the next 18 properties */ - ReadProperties(file, 1, 18); - } - - // now mutate - Mutate(); - - // and read the remaining properties - ReadProperties(file, 19); -} - -void MP4SLConfigDescriptor::Mutate() -{ - uint32_t i; - uint8_t predefined = - ((MP4Integer8Property*)m_pProperties[0])->GetValue(); - - if (predefined) { - // properties 1-18 are implicit - for (i = 1; i < m_pProperties.Size(); i++) { - m_pProperties[i]->SetImplicit(true); - } - - if (predefined == 1) { - // UseTimestampsFlag = 0 - ((MP4BitfieldProperty*)m_pProperties[6])->SetValue(0); - - // TimestampResolution = 1000 - ((MP4Integer32Property*)m_pProperties[9])->SetValue(1000); - - // TimeStampLength = 32 - ((MP4Integer8Property*)m_pProperties[11])->SetValue(32); - - } else if (predefined == 2) { - // UseTimestampsFlag = 1 - ((MP4BitfieldProperty*)m_pProperties[6])->SetValue(1); - } - } else { -#if 1 - for (i = 1; i <= 18; i++) { - m_pProperties[i]->SetImplicit(false); - } - ((MP4BitfieldProperty*)m_pProperties[18])->SetValue(3); -#endif - } - - bool durationFlag = - ((MP4BitfieldProperty*)m_pProperties[8])->GetValue(); - - for (i = 19; i <= 21; i++) { - m_pProperties[i]->SetImplicit(!durationFlag); - } - - bool useTimeStampsFlag = - ((MP4BitfieldProperty*)m_pProperties[6])->GetValue(); - - for (i = 22; i <= 23; i++) { - m_pProperties[i]->SetImplicit(useTimeStampsFlag); - - uint8_t timeStampLength = min((uint8_t)64, - ((MP4Integer8Property*)m_pProperties[11])->GetValue()); - - ((MP4BitfieldProperty*)m_pProperties[i])->SetNumBits(timeStampLength); - - // handle a nonsensical situation gracefully - if (timeStampLength == 0) { - m_pProperties[i]->SetImplicit(true); - } - } -} - -MP4ContentIdDescriptor::MP4ContentIdDescriptor(MP4Atom& parentAtom) - : MP4Descriptor(parentAtom, MP4ContentIdDescrTag) -{ - AddProperty( /* 0 */ - new MP4BitfieldProperty(parentAtom, "compatibility", 2)); - AddProperty( /* 1 */ - new MP4BitfieldProperty(parentAtom, "contentTypeFlag", 1)); - AddProperty( /* 2 */ - new MP4BitfieldProperty(parentAtom, "contentIdFlag", 1)); - AddProperty( /* 3 */ - new MP4BitfieldProperty(parentAtom, "protectedContent", 1)); - AddProperty( /* 4 */ - new MP4BitfieldProperty(parentAtom, "reserved", 3)); - AddProperty( /* 5 */ - new MP4Integer8Property(parentAtom, "contentType")); - AddProperty( /* 6 */ - new MP4Integer8Property(parentAtom, "contentIdType")); - AddProperty( /* 7 */ - new MP4BytesProperty(parentAtom, "contentId")); -} - -void MP4ContentIdDescriptor::Read(MP4File& file) -{ - ReadHeader(file); - - /* read the first property, 'compatiblity' */ - ReadProperties(file, 0, 1); - - /* if compatiblity != 0 */ - if (((MP4Integer8Property*)m_pProperties[0])->GetValue() != 0) { - /* we don't understand it */ - log.verbose1f("incompatible content id descriptor"); - return; - } - - /* read the next four properties */ - ReadProperties(file, 1, 4); - - /* which allows us to reconfigure ourselves */ - Mutate(); - - bool contentTypeFlag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(); - - bool contentIdFlag = ((MP4BitfieldProperty*)m_pProperties[2])->GetValue(); - - if (contentIdFlag) { - - uint32_t cIdOffset = 2; - - if (contentTypeFlag) { - - cIdOffset++; - - } - - ((MP4BytesProperty*)m_pProperties[7])->SetValueSize(m_size - cIdOffset); - - } - - - - /* read the remaining properties */ - ReadProperties(file, 5); -} - -void MP4ContentIdDescriptor::Mutate() -{ - bool contentTypeFlag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(); - m_pProperties[5]->SetImplicit(!contentTypeFlag); - - bool contentIdFlag = ((MP4BitfieldProperty*)m_pProperties[2])->GetValue(); - m_pProperties[6]->SetImplicit(!contentIdFlag); - m_pProperties[7]->SetImplicit(!contentIdFlag); - -} - -MP4Descriptor* MP4DescriptorProperty::CreateDescriptor(MP4Atom& parentAtom, uint8_t tag) -{ - MP4Descriptor* pDescriptor = NULL; - - switch (tag) { - case MP4ESDescrTag: - pDescriptor = new MP4ESDescriptor(parentAtom); - break; - case MP4DecConfigDescrTag: - pDescriptor = new MP4DecConfigDescriptor(parentAtom); - break; - case MP4DecSpecificDescrTag: - case MP4IPMPDescrTag: - case MP4RegistrationDescrTag: - pDescriptor = new MP4BytesDescriptor(parentAtom, tag); - break; - case MP4SLConfigDescrTag: - pDescriptor = new MP4SLConfigDescriptor(parentAtom); - break; - case MP4ContentIdDescrTag: - pDescriptor = new MP4ContentIdDescriptor(parentAtom); - break; - case MP4ESIDIncDescrTag: - case MP4ESIDRefDescrTag: - case MP4IPIPtrDescrTag: - case MP4SupplContentIdDescrTag: - case MP4IPMPPtrDescrTag: - case MP4ExtProfileLevelDescrTag: - pDescriptor = new MP4BaseDescriptor(parentAtom, tag); - break; - case MP4QosDescrTag: - pDescriptor = new MP4QosDescriptorBase(parentAtom, MP4QosDescrTag); - break; - case MP4IODescrTag: - case MP4FileIODescrTag: - pDescriptor = new MP4IODescriptor(parentAtom); - pDescriptor->SetTag(tag); - break; - case MP4ODescrTag: - case MP4FileODescrTag: - pDescriptor = new MP4ODescriptor(parentAtom); - pDescriptor->SetTag(tag); - break; - } - - if (pDescriptor == NULL) { - if (tag >= MP4OCIDescrTagsStart && tag <= MP4OCIDescrTagsEnd) { - pDescriptor = CreateOCIDescriptor(parentAtom, tag); - } - - if (tag >= MP4ExtDescrTagsStart && tag <= MP4ExtDescrTagsEnd) { - pDescriptor = new MP4BytesDescriptor(parentAtom, tag); - } - } - - return pDescriptor; -} - -/////////////////////////////////////////////////////////////////////////////// - -} -} // namespace mp4v2::impl |