diff options
author | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2019-09-14 03:40:47 +0300 |
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committer | Laurent Pinchart <laurent.pinchart@ideasonboard.com> | 2019-09-14 15:05:45 +0300 |
commit | cecfeed61e8bcb4b53c2ed8e1b26d8c8af38b8e3 (patch) | |
tree | 783fca9b32651efdca054ad152528b40f2566a74 /src/cam | |
parent | 98dff063f2f497434978a46f9a676307365fd878 (diff) |
libcamera: Switch to the std::chrono API
Replace the clock_gettime()-based API with durations expressed as
integers with the std::chrono API.
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Diffstat (limited to 'src/cam')
-rw-r--r-- | src/cam/capture.cpp | 15 | ||||
-rw-r--r-- | src/cam/capture.h | 3 |
2 files changed, 8 insertions, 10 deletions
diff --git a/src/cam/capture.cpp b/src/cam/capture.cpp index df9602de..8a939c62 100644 --- a/src/cam/capture.cpp +++ b/src/cam/capture.cpp @@ -5,6 +5,7 @@ * capture.cpp - Cam capture */ +#include <chrono> #include <climits> #include <iomanip> #include <iostream> @@ -16,7 +17,7 @@ using namespace libcamera; Capture::Capture(Camera *camera, CameraConfiguration *config) - : camera_(camera), config_(config), writer_(nullptr), last_(0) + : camera_(camera), config_(config), writer_(nullptr) { } @@ -135,17 +136,13 @@ int Capture::capture(EventLoop *loop) void Capture::requestComplete(Request *request, const std::map<Stream *, Buffer *> &buffers) { - double fps = 0.0; - uint64_t now; - if (request->status() == Request::RequestCancelled) return; - struct timespec time; - clock_gettime(CLOCK_MONOTONIC, &time); - now = time.tv_sec * 1000 + time.tv_nsec / 1000000; - fps = now - last_; - fps = last_ && fps ? 1000.0 / fps : 0.0; + std::chrono::steady_clock::time_point now = std::chrono::steady_clock::now(); + double fps = std::chrono::duration_cast<std::chrono::milliseconds>(now - last_).count(); + fps = last_ != std::chrono::steady_clock::time_point() && fps + ? 1000.0 / fps : 0.0; last_ = now; std::stringstream info; diff --git a/src/cam/capture.h b/src/cam/capture.h index 1d4a25a8..ee0dc421 100644 --- a/src/cam/capture.h +++ b/src/cam/capture.h @@ -7,6 +7,7 @@ #ifndef __CAM_CAPTURE_H__ #define __CAM_CAPTURE_H__ +#include <chrono> #include <memory> #include <libcamera/camera.h> @@ -35,7 +36,7 @@ private: std::map<libcamera::Stream *, std::string> streamName_; BufferWriter *writer_; - uint64_t last_; + std::chrono::steady_clock::time_point last_; }; #endif /* __CAM_CAPTURE_H__ */ |