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android: CameraDevice: Manage requestTemplates_ with std::unique_ptr

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CameraMetadata stored in requestTemplates_ in CameraDevice is
not necessary to be a raw pointer. This reduces the manual
new/delete code by changing the type to std::unique_ptr.

Signed-off-by: Hirokazu Honda <hiroh@chromium.org>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
This commit is contained in:
Hirokazu Honda 2021-03-24 16:07:57 +09:00 • committed by Laurent Pinchart
parent dca709c44a
commit f101cc6878
2 changed files with 11 additions and 17 deletions
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22
src/android/camera_device.cpp
View file

@ -338,11 +338,7 @@ CameraDevice::CameraDevice(unsigned int id, std::shared_ptr<Camera> camera)
}
}
CameraDevice::~CameraDevice()
{
for (auto &it : requestTemplates_)
delete it.second;
}
CameraDevice::~CameraDevice() = default;
std::unique_ptr<CameraDevice> CameraDevice::create(unsigned int id,
std::shared_ptr<Camera> cam)
@ -1358,15 +1354,14 @@ const camera_metadata_t *CameraDevice::getStaticMetadata()
return staticMetadata_->get();
}
CameraMetadata *CameraDevice::requestTemplatePreview()
std::unique_ptr<CameraMetadata> CameraDevice::requestTemplatePreview()
{
/*
* \todo Keep this in sync with the actual number of entries.
* Currently: 20 entries, 35 bytes
*/
CameraMetadata *requestTemplate = new CameraMetadata(21, 36);
auto requestTemplate = std::make_unique<CameraMetadata>(21, 36);
if (!requestTemplate->isValid()) {
delete requestTemplate;
return nullptr;
}
@ -1454,9 +1449,9 @@ CameraMetadata *CameraDevice::requestTemplatePreview()
return requestTemplate;
}
CameraMetadata *CameraDevice::requestTemplateVideo()
std::unique_ptr<CameraMetadata> CameraDevice::requestTemplateVideo()
{
CameraMetadata *previewTemplate = requestTemplatePreview();
std::unique_ptr<CameraMetadata> previewTemplate = requestTemplatePreview();
if (!previewTemplate)
return nullptr;
@ -1488,7 +1483,7 @@ const camera_metadata_t *CameraDevice::constructDefaultRequestSettings(int type)
return it->second->get();
/* Use the capture intent matching the requested template type. */
CameraMetadata *requestTemplate;
std::unique_ptr<CameraMetadata> requestTemplate;
uint8_t captureIntent;
switch (type) {
case CAMERA3_TEMPLATE_PREVIEW:
@ -1521,15 +1516,14 @@ const camera_metadata_t *CameraDevice::constructDefaultRequestSettings(int type)
if (!requestTemplate || !requestTemplate->isValid()) {
LOG(HAL, Error) << "Failed to construct request template";
delete requestTemplate;
return nullptr;
}
requestTemplate->updateEntry(ANDROID_CONTROL_CAPTURE_INTENT,
&captureIntent, 1);
requestTemplates_[type] = requestTemplate;
return requestTemplate->get();
requestTemplates_[type] = std::move(requestTemplate);
return requestTemplates_[type]->get();
}
PixelFormat CameraDevice::toPixelFormat(int format) const

6
src/android/camera_device.h
View file

@ -97,8 +97,8 @@ private:
libcamera::FrameBuffer *createFrameBuffer(const buffer_handle_t camera3buffer);
void notifyShutter(uint32_t frameNumber, uint64_t timestamp);
void notifyError(uint32_t frameNumber, camera3_stream_t *stream);
CameraMetadata *requestTemplatePreview();
CameraMetadata *requestTemplateVideo();
std::unique_ptr<CameraMetadata> requestTemplatePreview();
std::unique_ptr<CameraMetadata> requestTemplateVideo();
libcamera::PixelFormat toPixelFormat(int format) const;
int processControls(Camera3RequestDescriptor *descriptor);
std::unique_ptr<CameraMetadata> getResultMetadata(
@ -114,7 +114,7 @@ private:
std::unique_ptr<libcamera::CameraConfiguration> config_;
std::unique_ptr<CameraMetadata> staticMetadata_;
std::map<unsigned int, const CameraMetadata *> requestTemplates_;
std::map<unsigned int, std::unique_ptr<CameraMetadata>> requestTemplates_;
const camera3_callback_ops_t *callbacks_;
std::vector<Camera3StreamConfiguration> streamConfigurations_;