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libcamera: controls: Avoid double lookups

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Now that the ControlList::get() function returns an instance of
std::optional<>, we can replace the ControlList::contains() calls with a
nullopt check on the return value of get(). This avoids double lookups
of controls through the code base.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
Reviewed-by: Umang Jain <umang.jain@ideasonboard.com>
This commit is contained in:
Laurent Pinchart 2022-07-11 01:09:09 +03:00
parent 1c4d480185
commit f995ff25a3
7 changed files with 72 additions and 76 deletions
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46
src/android/camera_device.cpp
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@ -305,9 +305,9 @@ int CameraDevice::initialize(const CameraConfigData *cameraConfigData)
*/
const ControlList &properties = camera_->properties();
if (properties.contains(properties::Location)) {
int32_t location = *properties.get(properties::Location);
switch (location) {
const auto &location = properties.get(properties::Location);
if (location) {
switch (*location) {
case properties::CameraLocationFront:
facing_ = CAMERA_FACING_FRONT;
break;
@ -355,9 +355,9 @@ int CameraDevice::initialize(const CameraConfigData *cameraConfigData)
* value for clockwise direction as required by the Android orientation
* metadata.
*/
if (properties.contains(properties::Rotation)) {
int rotation = *properties.get(properties::Rotation);
orientation_ = (360 - rotation) % 360;
const auto &rotation = properties.get(properties::Rotation);
if (rotation) {
orientation_ = (360 - *rotation) % 360;
if (cameraConfigData && cameraConfigData->rotation != -1 &&
orientation_ != cameraConfigData->rotation) {
LOG(HAL, Warning)
@ -1564,25 +1564,24 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons
const int64_t timestamp = metadata.get(controls::SensorTimestamp).value_or(0);
resultMetadata->addEntry(ANDROID_SENSOR_TIMESTAMP, timestamp);
if (metadata.contains(controls::draft::PipelineDepth)) {
uint8_t pipeline_depth = *metadata.get<int32_t>(controls::draft::PipelineDepth);
const auto &pipelineDepth = metadata.get(controls::draft::PipelineDepth);
if (pipelineDepth)
resultMetadata->addEntry(ANDROID_REQUEST_PIPELINE_DEPTH,
pipeline_depth);
}
*pipelineDepth);
if (metadata.contains(controls::ExposureTime)) {
int64_t exposure = *metadata.get(controls::ExposureTime) * 1000ULL;
resultMetadata->addEntry(ANDROID_SENSOR_EXPOSURE_TIME, exposure);
}
const auto &exposureTime = metadata.get(controls::ExposureTime);
if (exposureTime)
resultMetadata->addEntry(ANDROID_SENSOR_EXPOSURE_TIME,
*exposureTime * 1000ULL);
if (metadata.contains(controls::FrameDuration)) {
int64_t duration = *metadata.get(controls::FrameDuration) * 1000;
const auto &frameDuration = metadata.get(controls::FrameDuration);
if (frameDuration)
resultMetadata->addEntry(ANDROID_SENSOR_FRAME_DURATION,
duration);
}
*frameDuration * 1000);
if (metadata.contains(controls::ScalerCrop)) {
Rectangle crop = *metadata.get(controls::ScalerCrop);
const auto &scalerCrop = metadata.get(controls::ScalerCrop);
if (scalerCrop) {
const Rectangle &crop = *scalerCrop;
int32_t cropRect[] = {
crop.x, crop.y, static_cast<int32_t>(crop.width),
static_cast<int32_t>(crop.height),
@ -1590,11 +1589,10 @@ CameraDevice::getResultMetadata(const Camera3RequestDescriptor &descriptor) cons
resultMetadata->addEntry(ANDROID_SCALER_CROP_REGION, cropRect);
}
if (metadata.contains(controls::draft::TestPatternMode)) {
const int32_t testPatternMode = *metadata.get(controls::draft::TestPatternMode);
const auto &testPatternMode = metadata.get(controls::draft::TestPatternMode);
if (testPatternMode)
resultMetadata->addEntry(ANDROID_SENSOR_TEST_PATTERN_MODE,
testPatternMode);
}
*testPatternMode);
/*
* Return the result metadata pack even is not valid: get() will return