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android: camera_device: Return unique_ptr from createFrameBuffer

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Returning a non-managed pointer can cause leaks. Use a unique_ptr<>
instead to avoid possible future issues.

The std::move() for the planes argument to the FrameBuffer constructor
is dropped as it's misleading. FrameBuffer has no constructor that takes
an rvalue reference to planes, so the vector was copied despite the
move. This only clarifies the intent, no functional change is
introduced.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
Reviewed-by: Paul Elder <paul.elder@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2021-09-23 14:49:46 +03:00
parent d4e15331cb
commit 9b8f4c870f
2 changed files with 14 additions and 11 deletions
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18
src/android/camera_device.cpp
View file

@ -774,9 +774,9 @@ int CameraDevice::configureStreams(camera3_stream_configuration_t *stream_list)
return 0;
}
FrameBuffer *CameraDevice::createFrameBuffer(const buffer_handle_t camera3buffer,
PixelFormat pixelFormat,
const Size &size)
std::unique_ptr<FrameBuffer>
CameraDevice::createFrameBuffer(const buffer_handle_t camera3buffer,
PixelFormat pixelFormat, const Size &size)
{
CameraBuffer buf(camera3buffer, pixelFormat, size, PROT_READ);
if (!buf.isValid()) {
@ -797,7 +797,7 @@ FrameBuffer *CameraDevice::createFrameBuffer(const buffer_handle_t camera3buffer
planes[i].length = buf.size(i);
}
return new FrameBuffer(std::move(planes));
return std::make_unique<FrameBuffer>(planes);
}
int CameraDevice::processControls(Camera3RequestDescriptor *descriptor)
@ -1002,10 +1002,12 @@ int CameraDevice::processCaptureRequest(camera3_capture_request_t *camera3Reques
* associate it with the Camera3RequestDescriptor for
* lifetime management only.
*/
buffer = createFrameBuffer(*camera3Buffer.buffer,
cameraStream->configuration().pixelFormat,
cameraStream->configuration().size);
descriptor.frameBuffers_.emplace_back(buffer);
descriptor.frameBuffers_.push_back(
createFrameBuffer(*camera3Buffer.buffer,
cameraStream->configuration().pixelFormat,
cameraStream->configuration().size));
buffer = descriptor.frameBuffers_.back().get();
LOG(HAL, Debug) << ss.str() << " (direct)";
break;

7
src/android/camera_device.h
View file

@ -94,9 +94,10 @@ private:
void stop();
libcamera::FrameBuffer *createFrameBuffer(const buffer_handle_t camera3buffer,
libcamera::PixelFormat pixelFormat,
const libcamera::Size &size);
std::unique_ptr<libcamera::FrameBuffer>
createFrameBuffer(const buffer_handle_t camera3buffer,
libcamera::PixelFormat pixelFormat,
const libcamera::Size &size);
void abortRequest(camera3_capture_request_t *request);
bool isValidRequest(camera3_capture_request_t *request) const;
void notifyShutter(uint32_t frameNumber, uint64_t timestamp);