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ipa: rpi: agc: Use std::string instead of char arrays

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Replace the char array strings in struct AgcStatus with std::string
objects. This simplifies the string handling in the source code.

Signed-off-by: Naushir Patuck <naush@raspberrypi.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Naushir Patuck 2023-06-07 11:00:53 +01:00 • committed by Kieran Bingham
parent c6ff999053
commit 5242b78c0b
2 changed files with 12 additions and 19 deletions
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8
src/ipa/rpi/controller/agc_status.h
View file

@ -6,6 +6,8 @@
*/
#pragma once
#include <string>
#include <libcamera/base/utils.h>
/*
@ -24,9 +26,9 @@ struct AgcStatus {
libcamera::utils::Duration targetExposureValue; /* (unfiltered) target total exposure AGC is aiming for */
libcamera::utils::Duration shutterTime;
double analogueGain;
char exposureMode[32];
char constraintMode[32];
char meteringMode[32];
std::string exposureMode;
std::string constraintMode;
std::string meteringMode;
double ev;
libcamera::utils::Duration flickerPeriod;
int floatingRegionEnable;

23
src/ipa/rpi/controller/rpi/agc.cpp
View file

@ -226,7 +226,7 @@ Agc::Agc(Controller *controller)
* Setting status_.totalExposureValue_ to zero initially tells us
* it's not been calculated yet (i.e. Process hasn't yet run).
*/
memset(&status_, 0, sizeof(status_));
status_ = {};
status_.ev = ev_;
}
@ -524,12 +524,6 @@ void Agc::updateLockStatus(DeviceStatus const &deviceStatus)
status_.locked = lockCount_ == maxLockCount;
}
static void copyString(std::string const &s, char *d, size_t size)
{
size_t length = s.copy(d, size - 1);
d[length] = '\0';
}
void Agc::housekeepConfig()
{
/* First fetch all the up-to-date settings, so no one else has to do it. */
@ -544,30 +538,27 @@ void Agc::housekeepConfig()
* Make sure the "mode" pointers point to the up-to-date things, if
* they've changed.
*/
if (strcmp(meteringModeName_.c_str(), status_.meteringMode)) {
if (meteringModeName_ != status_.meteringMode) {
auto it = config_.meteringModes.find(meteringModeName_);
if (it == config_.meteringModes.end())
LOG(RPiAgc, Fatal) << "No metering mode " << meteringModeName_;
meteringMode_ = &it->second;
copyString(meteringModeName_, status_.meteringMode,
sizeof(status_.meteringMode));
status_.meteringMode = meteringModeName_;
}
if (strcmp(exposureModeName_.c_str(), status_.exposureMode)) {
if (exposureModeName_ != status_.exposureMode) {
auto it = config_.exposureModes.find(exposureModeName_);
if (it == config_.exposureModes.end())
LOG(RPiAgc, Fatal) << "No exposure profile " << exposureModeName_;
exposureMode_ = &it->second;
copyString(exposureModeName_, status_.exposureMode,
sizeof(status_.exposureMode));
status_.exposureMode = exposureModeName_;
}
if (strcmp(constraintModeName_.c_str(), status_.constraintMode)) {
if (constraintModeName_ != status_.constraintMode) {
auto it =
config_.constraintModes.find(constraintModeName_);
if (it == config_.constraintModes.end())
LOG(RPiAgc, Fatal) << "No constraint list " << constraintModeName_;
constraintMode_ = &it->second;
copyString(constraintModeName_, status_.constraintMode,
sizeof(status_.constraintMode));
status_.constraintMode = constraintModeName_;
}
LOG(RPiAgc, Debug) << "exposureMode "
<< exposureModeName_ << " constraintMode "