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authorUmang Jain <email@uajain.com>2020-07-13 12:11:28 +0000
committerKieran Bingham <kieran.bingham@ideasonboard.com>2020-08-03 14:19:13 +0100
commit70b65c659040fa5dcc7ebaeb048ce8b1e02677f7 (patch)
tree88f31f173f5ad0d13173a054fc893f9804146861 /src/cam
parent785d7418619454c26631e5c1ac516abbc4f33f35 (diff)
cam: Add --monitor option
Add --monitor to monitor new hotplug and unplug camera events from the CameraManager. Signed-off-by: Umang Jain <email@uajain.com> Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> 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>
Diffstat (limited to 'src/cam')
-rw-r--r--src/cam/main.cpp28
-rw-r--r--src/cam/main.h1
2 files changed, 29 insertions, 0 deletions
diff --git a/src/cam/main.cpp b/src/cam/main.cpp
index f5aba041..ec59e9ea 100644
--- a/src/cam/main.cpp
+++ b/src/cam/main.cpp
@@ -36,6 +36,8 @@ public:
void quit();
private:
+ void cameraAdded(std::shared_ptr<Camera> cam);
+ void cameraRemoved(std::shared_ptr<Camera> cam);
int parseOptions(int argc, char *argv[]);
int prepareConfig();
int listControls();
@@ -123,6 +125,12 @@ int CamApp::init(int argc, char **argv)
return ret;
}
+ if (options_.isSet(OptMonitor)) {
+ cm_->cameraAdded.connect(this, &CamApp::cameraAdded);
+ cm_->cameraRemoved.connect(this, &CamApp::cameraRemoved);
+ std::cout << "Monitoring new hotplug and unplug events" << std::endl;
+ }
+
loop_ = new EventLoop(cm_->eventDispatcher());
return 0;
@@ -186,6 +194,9 @@ int CamApp::parseOptions(int argc, char *argv[])
"list-controls");
parser.addOption(OptListProperties, OptionNone, "List cameras properties",
"list-properties");
+ parser.addOption(OptMonitor, OptionNone,
+ "Monitor for hotplug and unplug camera events",
+ "monitor");
parser.addOption(OptStrictFormats, OptionNone,
"Do not allow requested stream format(s) to be adjusted",
"strict-formats");
@@ -309,6 +320,16 @@ int CamApp::infoConfiguration()
return 0;
}
+void CamApp::cameraAdded(std::shared_ptr<Camera> cam)
+{
+ std::cout << "Camera Added: " << cam->name() << std::endl;
+}
+
+void CamApp::cameraRemoved(std::shared_ptr<Camera> cam)
+{
+ std::cout << "Camera Removed: " << cam->name() << std::endl;
+}
+
int CamApp::run()
{
int ret;
@@ -346,6 +367,13 @@ int CamApp::run()
return capture.run(options_);
}
+ if (options_.isSet(OptMonitor)) {
+ std::cout << "Press Ctrl-C to interrupt" << std::endl;
+ ret = loop_->exec();
+ if (ret)
+ std::cout << "Failed to run monitor loop" << std::endl;
+ }
+
return 0;
}
diff --git a/src/cam/main.h b/src/cam/main.h
index 6f95add3..ea8dfd33 100644
--- a/src/cam/main.h
+++ b/src/cam/main.h
@@ -15,6 +15,7 @@ enum {
OptInfo = 'I',
OptList = 'l',
OptListProperties = 'p',
+ OptMonitor = 'm',
OptStream = 's',
OptListControls = 256,
OptStrictFormats = 257,