From b3a504e96529ac38271a9456aa810dc2526c6faa Mon Sep 17 00:00:00 2001 From: Jacopo Mondi Date: Mon, 19 Apr 2021 14:17:55 +0200 Subject: cam: Implement OptMetadata MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Implement support for the new '--metadata' option by printing the value of each metadata entry associated with a completed Request. As sample of the output, running on raspberry pi, looks like the following: 3050.205672 (30.01 fps) stream0 seq: 000033 bytesused: 720000 ScalerCrop = (0x2)/3280x2460 ExposureTime = 13969 AeLocked = true DigitalGain = 1.000721 Lux = 771.204224 ColourGains = [ 1.561101, 1.629698 ] ColourTemperature = 4289 SensorBlackLevels = [ 4096, 4096, 4096, 4096 ] ColourCorrectionMatrix = [ 1.691066, -0.599756, -0.091317, -0.437452, 1.983766, -0.546314, -0.083429, -0.722407, 1.805836 ] AnalogueGain = 2.000000 SensorTimestamp = 3050205672000 3050.238999 (30.01 fps) stream0 seq: 000034 bytesused: 720000 ScalerCrop = (0x2)/3280x2460 ExposureTime = 13969 AeLocked = true DigitalGain = 1.000709 Lux = 771.232422 ColourGains = [ 1.560868, 1.630029 ] ColourTemperature = 4289 SensorBlackLevels = [ 4096, 4096, 4096, 4096 ] ColourCorrectionMatrix = [ 1.691081, -0.599726, -0.091362, -0.437497, 1.983627, -0.546130, -0.083420, -0.722523, 1.805943 ] AnalogueGain = 2.000000 SensorTimestamp = 3050238999000 Reviewed-by: Niklas Söderlund Reviewed-by: Hirokazu Honda Reviewed-by: Laurent Pinchart Signed-off-by: Jacopo Mondi --- src/cam/capture.cpp | 15 ++++++++++++++- src/cam/capture.h | 1 + 2 files changed, 15 insertions(+), 1 deletion(-) diff --git a/src/cam/capture.cpp b/src/cam/capture.cpp index 7b55fc67..3c3e3a53 100644 --- a/src/cam/capture.cpp +++ b/src/cam/capture.cpp @@ -10,6 +10,8 @@ #include #include +#include + #include "capture.h" #include "main.h" @@ -18,7 +20,8 @@ using namespace libcamera; Capture::Capture(std::shared_ptr camera, CameraConfiguration *config, EventLoop *loop) : camera_(camera), config_(config), writer_(nullptr), last_(0), loop_(loop), - queueCount_(0), captureCount_(0), captureLimit_(0) + queueCount_(0), captureCount_(0), captureLimit_(0), + printMetadata_(false) { } @@ -29,6 +32,7 @@ int Capture::run(const OptionsParser::Options &options) queueCount_ = 0; captureCount_ = 0; captureLimit_ = options[OptCapture].toInteger(); + printMetadata_ = options.isSet(OptMetadata); if (!camera_) { std::cout << "Can't capture without a camera" << std::endl; @@ -217,6 +221,15 @@ void Capture::processRequest(Request *request) std::cout << info.str() << std::endl; + if (printMetadata_) { + const ControlList &requestMetadata = request->metadata(); + for (const auto &ctrl : requestMetadata) { + const ControlId *id = controls::controls.at(ctrl.first); + std::cout << "\t" << id->name() << " = " + << ctrl.second.toString() << std::endl; + } + } + captureCount_++; if (captureLimit_ && captureCount_ >= captureLimit_) { loop_->exit(0); diff --git a/src/cam/capture.h b/src/cam/capture.h index c7c9dc00..59d13876 100644 --- a/src/cam/capture.h +++ b/src/cam/capture.h @@ -47,6 +47,7 @@ private: unsigned int queueCount_; unsigned int captureCount_; unsigned int captureLimit_; + bool printMetadata_; std::vector> requests_; }; -- cgit v1.2.1