NekoCWD/libcamera
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libcamera: virtual: Avoid some copies

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There is no reason make copies, these functions return
const lvalue references, access the data through those.

Signed-off-by: Barnabás Pőcze <pobrn@protonmail.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Barnabás Pőcze 2024-12-10 18:55:40 +01:00
parent 35ed4b9129
commit 277a28691c
3 changed files with 3 additions and 4 deletions
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2
src/libcamera/pipeline/virtual/image_frame_generator.cpp
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@ -129,7 +129,7 @@ int ImageFrameGenerator::generateFrame(const Size &size, const FrameBuffer *buff
MappedFrameBuffer mappedFrameBuffer(buffer, MappedFrameBuffer::MapFlag::Write);
auto planes = mappedFrameBuffer.planes();
const auto &planes = mappedFrameBuffer.planes();
/* Loop only around the number of images available */
frameIndex_ %= imageFrameDatas_.size();

2
src/libcamera/pipeline/virtual/test_pattern_generator.cpp
View file

@ -25,7 +25,7 @@ int TestPatternGenerator::generateFrame(const Size &size,
MappedFrameBuffer mappedFrameBuffer(buffer,
MappedFrameBuffer::MapFlag::Write);
auto planes = mappedFrameBuffer.planes();
const auto &planes = mappedFrameBuffer.planes();
shiftLeft(size);

3
src/libcamera/pipeline/virtual/virtual.cpp
View file

@ -275,8 +275,7 @@ int PipelineHandlerVirtual::exportFrameBuffers([[maybe_unused]] Camera *camera,
return -ENOBUFS;
const StreamConfiguration &config = stream->configuration();
auto info = PixelFormatInfo::info(config.pixelFormat);
const PixelFormatInfo &info = PixelFormatInfo::info(config.pixelFormat);
std::vector<unsigned int> planeSizes;
for (size_t i = 0; i < info.planes.size(); ++i)