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SourceImpl: add PutError().

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The error message is stored as a normal frame with unknown pixel format.
This commit is contained in:
Peter Johnson
2016-10-26 23:30:13 -07:00
parent c462d0b249
commit 0053962182
2 changed files with 6 additions and 1 deletions
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4
src/Frame.h
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@@ -62,7 +62,9 @@ class Frame {
return *this;
}
explicit operator bool() const { return m_data; }
explicit operator bool() const {
return m_data && m_data->pixelFormat != VideoMode::kUnknown;
}
operator llvm::StringRef() const {
if (!m_data) return llvm::StringRef{};