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select correct MediaType in MSMF backend.

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This commit is contained in:
MENG Yu 2022-08-06 01:52:33 +08:00
parent cde18648dc
commit 6432f02996
1 changed files with 7 additions and 1 deletions
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8
modules/videoio/src/cap_msmf.cpp
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@ -347,6 +347,12 @@ struct MediaType
} }
return false; return false;
} }
bool VideoIsAvailable() const
{
return ((subType == MFVideoFormat_RGB32) ||
(subType == MFVideoFormat_RGB24) ||
(subType == MFVideoFormat_YUY2));
}
}; };
void printFormat(std::ostream& out, const GUID& fmt) void printFormat(std::ostream& out, const GUID& fmt)
@ -627,7 +633,7 @@ public:
{ {
if (i->second.majorType == MFMediaType_Video) if (i->second.majorType == MFMediaType_Video)
{ {
if (best.second.isEmpty() || i->second.VideoIsBetterThan(best.second, newType)) if (best.second.isEmpty() || (i->second.VideoIsBetterThan(best.second, newType) && i->second.VideoIsAvailable()))
{ {
best = *i; best = *i;
} }