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author | Jean-Francois Mauguit <jfmauguit@mac.com> | 2024-09-24 09:03:25 -0400 |
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committer | GitHub <noreply@github.com> | 2024-09-24 09:03:25 -0400 |
commit | bab614c421ed7ae329d26bf028c4a3b1d2450f5a (patch) | |
tree | 12f17f78986871dd2cfb0a56e5e93b545c1ae0d0 /Src/external_dependencies/libmp4v2/ocidescriptors.cpp | |
parent | 4bde6044fddf053f31795b9eaccdd2a5a527d21f (diff) | |
parent | 20d28e80a5c861a9d5f449ea911ab75b4f37ad0d (diff) | |
download | winamp-bab614c421ed7ae329d26bf028c4a3b1d2450f5a.tar.gz |
Merge pull request #5 from WinampDesktop/community
Merge to main
Diffstat (limited to 'Src/external_dependencies/libmp4v2/ocidescriptors.cpp')
-rw-r--r-- | Src/external_dependencies/libmp4v2/ocidescriptors.cpp | 307 |
1 files changed, 307 insertions, 0 deletions
diff --git a/Src/external_dependencies/libmp4v2/ocidescriptors.cpp b/Src/external_dependencies/libmp4v2/ocidescriptors.cpp new file mode 100644 index 00000000..29114c75 --- /dev/null +++ b/Src/external_dependencies/libmp4v2/ocidescriptors.cpp @@ -0,0 +1,307 @@ +/* + * 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 + */ + +#include "mp4common.h" + +MP4ContentClassDescriptor::MP4ContentClassDescriptor() + : MP4Descriptor() +{ + AddProperty( /* 0 */ + new MP4Integer32Property("classificationEntity")); + AddProperty( /* 1 */ + new MP4Integer16Property("classificationTable")); + AddProperty( /* 2 */ + new MP4BytesProperty("contentClassificationData")); +} + +void MP4ContentClassDescriptor::Read(MP4File* pFile) +{ + ReadHeader(pFile); + + /* byte properties need to know how long they are before reading */ + ((MP4BytesProperty*)m_pProperties[2])->SetValueSize(m_size - 6); + + ReadProperties(pFile); +} + +MP4KeywordDescriptor::MP4KeywordDescriptor() + : MP4Descriptor() +{ + AddProperty( /* 0 */ + new MP4BytesProperty("languageCode", 3)); + AddProperty( /* 1 */ + new MP4BitfieldProperty("isUTF8String", 1)); + AddProperty( /* 2 */ + new MP4BitfieldProperty("reserved", 7)); + MP4Integer8Property* pCount = + new MP4Integer8Property("keywordCount"); + AddProperty(pCount); /* 3 */ + + MP4TableProperty* pTable = new MP4TableProperty("keywords", pCount); + AddProperty(pTable); /* 4 */ + + pTable->AddProperty( /* 4, 0 */ + new MP4StringProperty("string", Counted)); + + SetReadMutate(2); +} + +void MP4KeywordDescriptor::Mutate() +{ + bool utf8Flag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(); + MP4Property* pProperty = + ((MP4TableProperty*)m_pProperties[4])->GetProperty(0); + ASSERT(pProperty); + ((MP4StringProperty*)pProperty)->SetUnicode(!utf8Flag); +} + +MP4RatingDescriptor::MP4RatingDescriptor() + : MP4Descriptor() +{ + AddProperty( /* 0 */ + new MP4Integer32Property("ratingEntity")); + AddProperty( /* 1 */ + new MP4Integer16Property("ratingCriteria")); + AddProperty( /* 2 */ + new MP4BytesProperty("ratingInfo")); +} + +void MP4RatingDescriptor::Read(MP4File* pFile) +{ + ReadHeader(pFile); + + /* byte properties need to know how long they are before reading */ + ((MP4BytesProperty*)m_pProperties[2])->SetValueSize(m_size - 6); + + ReadProperties(pFile); +} + +MP4LanguageDescriptor::MP4LanguageDescriptor() + : MP4Descriptor() +{ + AddProperty( /* 0 */ + new MP4BytesProperty("languageCode", 3)); +} + +MP4ShortTextDescriptor::MP4ShortTextDescriptor() + : MP4Descriptor() +{ + AddProperty( /* 0 */ + new MP4BytesProperty("languageCode", 3)); + AddProperty( /* 1 */ + new MP4BitfieldProperty("isUTF8String", 1)); + AddProperty( /* 2 */ + new MP4BitfieldProperty("reserved", 7)); + AddProperty( /* 3 */ + new MP4StringProperty("eventName", Counted)); + AddProperty( /* 4 */ + new MP4StringProperty("eventText", Counted)); + + SetReadMutate(2); +} + +void MP4ShortTextDescriptor::Mutate() +{ + bool utf8Flag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(); + ((MP4StringProperty*)m_pProperties[3])->SetUnicode(!utf8Flag); + ((MP4StringProperty*)m_pProperties[4])->SetUnicode(!utf8Flag); +} + +MP4ExpandedTextDescriptor::MP4ExpandedTextDescriptor() + : MP4Descriptor() +{ + AddProperty( /* 0 */ + new MP4BytesProperty("languageCode", 3)); + AddProperty( /* 1 */ + new MP4BitfieldProperty("isUTF8String", 1)); + AddProperty( /* 2 */ + new MP4BitfieldProperty("reserved", 7)); + MP4Integer8Property* pCount = + new MP4Integer8Property("itemCount"); + AddProperty(pCount); /* 3 */ + + MP4TableProperty* pTable = new MP4TableProperty("items", pCount); + AddProperty(pTable); /* 4 */ + + pTable->AddProperty( /* Table 0 */ + new MP4StringProperty("itemDescription", Counted)); + pTable->AddProperty( /* Table 1 */ + new MP4StringProperty("itemText", Counted)); + + AddProperty( /* 5 */ + new MP4StringProperty("nonItemText")); + ((MP4StringProperty*)m_pProperties[5])->SetExpandedCountedFormat(true); + + SetReadMutate(2); +} + +void MP4ExpandedTextDescriptor::Mutate() +{ + bool utf8Flag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(); + + MP4Property* pProperty = + ((MP4TableProperty*)m_pProperties[4])->GetProperty(0); + ASSERT(pProperty); + ((MP4StringProperty*)pProperty)->SetUnicode(!utf8Flag); + + pProperty = ((MP4TableProperty*)m_pProperties[4])->GetProperty(1); + ASSERT(pProperty); + ((MP4StringProperty*)pProperty)->SetUnicode(!utf8Flag); + + ((MP4StringProperty*)m_pProperties[5])->SetUnicode(!utf8Flag); +} + +class MP4CreatorTableProperty : public MP4TableProperty { +public: + MP4CreatorTableProperty(char* name, MP4Integer8Property* pCountProperty) : + MP4TableProperty(name, pCountProperty) { + }; +protected: + void ReadEntry(MP4File* pFile, u_int32_t index); + void WriteEntry(MP4File* pFile, u_int32_t index); +}; + +MP4CreatorDescriptor::MP4CreatorDescriptor(u_int8_t tag) + : MP4Descriptor(tag) +{ + MP4Integer8Property* pCount = + new MP4Integer8Property("creatorCount"); + AddProperty(pCount); /* 0 */ + + MP4TableProperty* pTable = new MP4CreatorTableProperty("creators", pCount); + AddProperty(pTable); /* 1 */ + + pTable->AddProperty( /* Table 0 */ + new MP4BytesProperty("languageCode", 3, 3)); + pTable->AddProperty( /* Table 1 */ + new MP4BitfieldProperty("isUTF8String", 1)); + pTable->AddProperty( /* Table 2 */ + new MP4BitfieldProperty("reserved", 7)); + pTable->AddProperty( /* Table 3 */ + new MP4StringProperty("name", Counted)); +} + +void MP4CreatorTableProperty::ReadEntry(MP4File* pFile, u_int32_t index) +{ + m_pProperties[0]->Read(pFile, index); + m_pProperties[1]->Read(pFile, index); + + bool utf8Flag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(index); + ((MP4StringProperty*)m_pProperties[3])->SetUnicode(!utf8Flag); + + m_pProperties[2]->Read(pFile, index); + m_pProperties[3]->Read(pFile, index); +} + +void MP4CreatorTableProperty::WriteEntry(MP4File* pFile, u_int32_t index) +{ + bool utf8Flag = ((MP4BitfieldProperty*)m_pProperties[1])->GetValue(index); + ((MP4StringProperty*)m_pProperties[3])->SetUnicode(!utf8Flag); + + MP4TableProperty::WriteEntry(pFile, index); +} + +MP4CreationDescriptor::MP4CreationDescriptor(u_int8_t tag) + : MP4Descriptor(tag) +{ + AddProperty( /* 0 */ + new MP4BitfieldProperty("contentCreationDate", 40)); +} + +MP4SmpteCameraDescriptor::MP4SmpteCameraDescriptor() + : MP4Descriptor() +{ + MP4Integer8Property* pCount = + new MP4Integer8Property("parameterCount"); + AddProperty(pCount); + + MP4TableProperty* pTable = new MP4TableProperty("parameters", pCount); + AddProperty(pTable); + + pTable->AddProperty( + new MP4Integer8Property("id")); + pTable->AddProperty( + new MP4Integer32Property("value")); +} + +MP4UnknownOCIDescriptor::MP4UnknownOCIDescriptor() + : MP4Descriptor() +{ + AddProperty( /* 0 */ + new MP4BytesProperty("data")); +} + +void MP4UnknownOCIDescriptor::Read(MP4File* pFile) +{ + ReadHeader(pFile); + + /* byte properties need to know how long they are before reading */ + ((MP4BytesProperty*)m_pProperties[0])->SetValueSize(m_size); + + ReadProperties(pFile); +} + +MP4Descriptor* CreateOCIDescriptor(u_int8_t tag) +{ + MP4Descriptor* pDescriptor = NULL; + + switch (tag) { + case MP4ContentClassDescrTag: + pDescriptor = new MP4ContentClassDescriptor(); + break; + case MP4KeywordDescrTag: + pDescriptor = new MP4KeywordDescriptor(); + break; + case MP4RatingDescrTag: + pDescriptor = new MP4RatingDescriptor(); + break; + case MP4LanguageDescrTag: + pDescriptor = new MP4LanguageDescriptor(); + break; + case MP4ShortTextDescrTag: + pDescriptor = new MP4ShortTextDescriptor(); + break; + case MP4ExpandedTextDescrTag: + pDescriptor = new MP4ExpandedTextDescriptor(); + break; + case MP4ContentCreatorDescrTag: + case MP4OCICreatorDescrTag: + pDescriptor = new MP4CreatorDescriptor(tag); + break; + case MP4ContentCreationDescrTag: + case MP4OCICreationDescrTag: + pDescriptor = new MP4CreationDescriptor(tag); + break; + case MP4SmpteCameraDescrTag: + pDescriptor = new MP4SmpteCameraDescriptor(); + break; + } + + if (pDescriptor == NULL) { + if (tag >= MP4OCIDescrTagsStart && tag <= MP4OCIDescrTagsEnd) { + pDescriptor = new MP4UnknownOCIDescriptor(); + pDescriptor->SetTag(tag); + } + } + + return pDescriptor; +} + |