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G-API: Integrated cv::MediaFrame as I/O type + CPU backend

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This commit is contained in:
Dmitry Matveev
2020-10-02 21:48:54 +03:00
parent aabeb8a18e
commit 050c960dfc
19 changed files with 132 additions and 56 deletions
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modules/gapi/src/api/gproto.cpp
+14
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@@ -122,6 +122,9 @@ cv::GMetaArg cv::descr_of(const cv::GRunArg &arg)
case GRunArg::index_of<cv::RMat>():
return cv::GMetaArg(cv::util::get<cv::RMat>(arg).desc());
case GRunArg::index_of<cv::MediaFrame>():
return cv::GMetaArg(cv::util::get<cv::MediaFrame>(arg).desc());
default: util::throw_error(std::logic_error("Unsupported GRunArg type"));
}
}
@@ -133,6 +136,7 @@ cv::GMetaArgs cv::descr_of(const cv::GRunArgs &args)
return metas;
}
// FIXME: Is it tested for all types?
cv::GMetaArg cv::descr_of(const cv::GRunArgP &argp)
{
switch (argp.index())
@@ -148,6 +152,7 @@ cv::GMetaArg cv::descr_of(const cv::GRunArgP &argp)
}
}
// FIXME: Is it tested for all types??
bool cv::can_describe(const GMetaArg& meta, const GRunArgP& argp)
{
switch (argp.index())
@@ -164,6 +169,7 @@ bool cv::can_describe(const GMetaArg& meta, const GRunArgP& argp)
}
}
// FIXME: Is it tested for all types??
bool cv::can_describe(const GMetaArg& meta, const GRunArg& arg)
{
switch (arg.index())
@@ -179,6 +185,7 @@ bool cv::can_describe(const GMetaArg& meta, const GRunArg& arg)
case GRunArg::index_of<cv::gapi::wip::IStreamSource::Ptr>(): return util::holds_alternative<GMatDesc>(meta); // FIXME(?) may be not the best option
case GRunArg::index_of<cv::RMat>(): return util::holds_alternative<GMatDesc>(meta) &&
util::get<GMatDesc>(meta).canDescribe(cv::util::get<cv::RMat>(arg));
case GRunArg::index_of<cv::MediaFrame>(): return meta == cv::GMetaArg(util::get<cv::MediaFrame>(arg).desc());
default: util::throw_error(std::logic_error("Unsupported GRunArg type"));
}
}
@@ -192,6 +199,8 @@ bool cv::can_describe(const GMetaArgs &metas, const GRunArgs &args)
});
}
// FIXME: Is it tested for all types?
// FIXME: Where does this validation happen??
void cv::validate_input_arg(const GRunArg& arg)
{
// FIXME: It checks only Mat argument
@@ -248,6 +257,11 @@ std::ostream& operator<<(std::ostream& os, const cv::GMetaArg &arg)
case cv::GMetaArg::index_of<cv::GOpaqueDesc>():
os << util::get<cv::GOpaqueDesc>(arg);
break;
case cv::GMetaArg::index_of<cv::GFrameDesc>():
os << util::get<cv::GFrameDesc>(arg);
break;
default:
GAPI_Assert(false);
}