Message ID | 20200324094112.704-1-laurent.pinchart@ideasonboard.com |
---|---|
State | Accepted |
Commit | 798b7ac9692746ea9df15923f3b00b622c7f2ed4 |
Headers | show |
Series |
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Related | show |
Hi Laurent, On 24/03/2020 09:41, Laurent Pinchart wrote: > Print an info message when initializing the viewfinder to report if the > format converter is used or if zero-copy is enabled. This is useful to > notify of a possible impact on performances. > > Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > --- > src/qcam/viewfinder.cpp | 5 +++++ > 1 file changed, 5 insertions(+) > > diff --git a/src/qcam/viewfinder.cpp b/src/qcam/viewfinder.cpp > index c7c6d099dfba..df5ee5ee7b83 100644 > --- a/src/qcam/viewfinder.cpp > +++ b/src/qcam/viewfinder.cpp > @@ -56,6 +56,11 @@ int ViewFinder::setFormat(const libcamera::PixelFormat &format, > return ret; > > image_ = QImage(size, QImage::Format_RGB32); > + > + qInfo() << "Using software format conversion from" > + << format.toString().c_str(); Should this message state the conversion from and to? Perhaps it doesn't matter too much at the moment as we always convert to the same destination format - but perhaps that might differ if we have multiple compatible 'native' formats? > + } else { > + qInfo() << "Zero-copy enabled"; Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> > } > > format_ = format; >
On Tue, Mar 24, 2020 at 11:57:52AM +0000, Kieran Bingham wrote: > Hi Laurent, > > On 24/03/2020 09:41, Laurent Pinchart wrote: > > Print an info message when initializing the viewfinder to report if the > > format converter is used or if zero-copy is enabled. This is useful to > > notify of a possible impact on performances. > > > > Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> > > --- > > src/qcam/viewfinder.cpp | 5 +++++ > > 1 file changed, 5 insertions(+) > > > > diff --git a/src/qcam/viewfinder.cpp b/src/qcam/viewfinder.cpp > > index c7c6d099dfba..df5ee5ee7b83 100644 > > --- a/src/qcam/viewfinder.cpp > > +++ b/src/qcam/viewfinder.cpp > > @@ -56,6 +56,11 @@ int ViewFinder::setFormat(const libcamera::PixelFormat &format, > > return ret; > > > > image_ = QImage(size, QImage::Format_RGB32); > > + > > + qInfo() << "Using software format conversion from" > > + << format.toString().c_str(); > > Should this message state the conversion from and to? > > Perhaps it doesn't matter too much at the moment as we always convert to > the same destination format - but perhaps that might differ if we have > multiple compatible 'native' formats? I initially had a message that stated "... to QImage::Format_RGB32", but thought it was overkill as that's fixed. If we end up picking the destination format dynamically, we can update the message then. > > > + } else { > > + qInfo() << "Zero-copy enabled"; > > Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com> > > > } > > > > format_ = format;
diff --git a/src/qcam/viewfinder.cpp b/src/qcam/viewfinder.cpp index c7c6d099dfba..df5ee5ee7b83 100644 --- a/src/qcam/viewfinder.cpp +++ b/src/qcam/viewfinder.cpp @@ -56,6 +56,11 @@ int ViewFinder::setFormat(const libcamera::PixelFormat &format, return ret; image_ = QImage(size, QImage::Format_RGB32); + + qInfo() << "Using software format conversion from" + << format.toString().c_str(); + } else { + qInfo() << "Zero-copy enabled"; } format_ = format;
Print an info message when initializing the viewfinder to report if the format converter is used or if zero-copy is enabled. This is useful to notify of a possible impact on performances. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> --- src/qcam/viewfinder.cpp | 5 +++++ 1 file changed, 5 insertions(+)