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authorLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-07-26 02:36:38 +0300
committerLaurent Pinchart <laurent.pinchart@ideasonboard.com>2022-07-28 13:47:50 +0300
commit0821497ddd70a748e4758ecac3536fb73ed0c81c (patch)
treec51d791f4a22e4563a095dae601edddce3adcfb7 /src/ipa
parentf357b1bf6ea39d8118e90f8a371974d29bd054e3 (diff)
ipa: raspberrypi: Propagate errors from AGC metering tuning data read
Update the AGC metering functions that deal with reading tuning data to propagate errors to the caller, using std::tie and std::tuple to group the error code and return value. Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com> Tested-by: Naushir Patuck <naush@raspberrypi.com>
Diffstat (limited to 'src/ipa')
-rw-r--r--src/ipa/raspberrypi/controller/rpi/agc.cpp71
1 files changed, 54 insertions, 17 deletions
diff --git a/src/ipa/raspberrypi/controller/rpi/agc.cpp b/src/ipa/raspberrypi/controller/rpi/agc.cpp
index 7d3e1b18..cf03fb10 100644
--- a/src/ipa/raspberrypi/controller/rpi/agc.cpp
+++ b/src/ipa/raspberrypi/controller/rpi/agc.cpp
@@ -6,6 +6,7 @@
*/
#include <map>
+#include <tuple>
#include <linux/bcm2835-isp.h>
@@ -43,19 +44,25 @@ int AgcMeteringMode::read(boost::property_tree::ptree const &params)
return 0;
}
-static std::string
+static std::tuple<int, std::string>
readMeteringModes(std::map<std::string, AgcMeteringMode> &meteringModes,
boost::property_tree::ptree const &params)
{
std::string first;
+ int ret;
+
for (auto &p : params) {
AgcMeteringMode meteringMode;
- meteringMode.read(p.second);
+ ret = meteringMode.read(p.second);
+ if (ret)
+ return { ret, {} };
+
meteringModes[p.first] = std::move(meteringMode);
if (first.empty())
first = p.first;
}
- return first;
+
+ return { 0, first };
}
static int readList(std::vector<double> &list,
@@ -87,19 +94,25 @@ int AgcExposureMode::read(boost::property_tree::ptree const &params)
return 0;
}
-static std::string
+static std::tuple<int, std::string>
readExposureModes(std::map<std::string, AgcExposureMode> &exposureModes,
boost::property_tree::ptree const &params)
{
std::string first;
+ int ret;
+
for (auto &p : params) {
AgcExposureMode exposureMode;
- exposureMode.read(p.second);
+ ret = exposureMode.read(p.second);
+ if (ret)
+ return { ret, {} };
+
exposureModes[p.first] = std::move(exposureMode);
if (first.empty())
first = p.first;
}
- return first;
+
+ return { 0, first };
}
int AgcConstraint::read(boost::property_tree::ptree const &params)
@@ -115,38 +128,62 @@ int AgcConstraint::read(boost::property_tree::ptree const &params)
return yTarget.read(params.get_child("y_target"));
}
-static AgcConstraintMode
+static std::tuple<int, AgcConstraintMode>
readConstraintMode(boost::property_tree::ptree const &params)
{
AgcConstraintMode mode;
+ int ret;
+
for (auto &p : params) {
AgcConstraint constraint;
- constraint.read(p.second);
+ ret = constraint.read(p.second);
+ if (ret)
+ return { ret, {} };
+
mode.push_back(std::move(constraint));
}
- return mode;
+
+ return { 0, mode };
}
-static std::string readConstraintModes(std::map<std::string, AgcConstraintMode> &constraintModes,
- boost::property_tree::ptree const &params)
+static std::tuple<int, std::string>
+readConstraintModes(std::map<std::string, AgcConstraintMode> &constraintModes,
+ boost::property_tree::ptree const &params)
{
std::string first;
+ int ret;
+
for (auto &p : params) {
- constraintModes[p.first] = readConstraintMode(p.second);
+ std::tie(ret, constraintModes[p.first]) = readConstraintMode(p.second);
+ if (ret)
+ return { ret, {} };
+
if (first.empty())
first = p.first;
}
- return first;
+
+ return { 0, first };
}
int AgcConfig::read(boost::property_tree::ptree const &params)
{
LOG(RPiAgc, Debug) << "AgcConfig";
- defaultMeteringMode = readMeteringModes(meteringModes, params.get_child("metering_modes"));
- defaultExposureMode = readExposureModes(exposureModes, params.get_child("exposure_modes"));
- defaultConstraintMode = readConstraintModes(constraintModes, params.get_child("constraint_modes"));
+ int ret;
+
+ std::tie(ret, defaultMeteringMode) =
+ readMeteringModes(meteringModes, params.get_child("metering_modes"));
+ if (ret)
+ return ret;
+ std::tie(ret, defaultExposureMode) =
+ readExposureModes(exposureModes, params.get_child("exposure_modes"));
+ if (ret)
+ return ret;
+ std::tie(ret, defaultConstraintMode) =
+ readConstraintModes(constraintModes, params.get_child("constraint_modes"));
+ if (ret)
+ return ret;
- int ret = yTarget.read(params.get_child("y_target"));
+ ret = yTarget.read(params.get_child("y_target"));
if (ret)
return ret;