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Support for Google Camera motion photo metadata (#12)

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This commit is contained in:
simfeo
2021-04-10 18:52:26 +03:00
committed by GitHub
parent d75f772ffa
commit 6e56015f56
2 changed files with 27 additions and 0 deletions
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22
TinyEXIF.cpp
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@@ -1104,6 +1104,17 @@ int EXIFInfo::parseFromXMPSegmentXML(const char* szXML, unsigned len) {
}
return false;
}
// same as previous function but with unsigned int results
static bool Value(const tinyxml2::XMLElement* document, const char* name, uint32_t& value) {
const char* szAttribute = document->Attribute(name);
if (szAttribute == NULL) {
const tinyxml2::XMLElement* const element(document->FirstChildElement(name));
if (element == NULL || (szAttribute = element->GetText()) == NULL)
return false;
}
value = strtoul(szAttribute, NULL, 0); return true;
return false;
}
};
const char* szAbout(document->Attribute("rdf:about"));
if (0 == strcasecmp(Make.c_str(), "DJI") || (szAbout != NULL && 0 == strcasecmp(szAbout, "DJI Meta Data"))) {
@@ -1141,6 +1152,12 @@ int EXIFInfo::parseFromXMPSegmentXML(const char* szXML, unsigned len) {
ParseXMP::Value(document, "GPano:PosePitchDegrees", GPano.PosePitchDegrees);
ParseXMP::Value(document, "GPano:PoseRollDegrees", GPano.PoseRollDegrees);
// parse GCamera:MicroVideo
if (document->Attribute("GCamera:MicroVideo")) {
ParseXMP::Value(document, "GCamera:MicroVideo", MicroVideo.HasMicroVideo);
ParseXMP::Value(document, "GCamera:MicroVideoVersion", MicroVideo.MicroVideoVersion);
ParseXMP::Value(document, "GCamera:MicroVideoOffset", MicroVideo.MicroVideoOffset);
}
return PARSE_SUCCESS;
}
@@ -1290,6 +1307,11 @@ void EXIFInfo::clear() {
// GPano
GPano.PosePitchDegrees = DBL_MAX;
GPano.PoseRollDegrees = DBL_MAX;
// Video metadata
MicroVideo.HasMicroVideo = 0;
MicroVideo.MicroVideoVersion = 0;
MicroVideo.MicroVideoOffset = 0;
}
} // namespace TinyEXIF