cam: fix order camera is operated on

Upcoming enforcing of order the camera shall be operate on is not
compatible with the cam utility. Requests shall be queued after the
camera is started, not before.

Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>

1 files changed, 11 insertions, 7 deletions

diff --git a/src/cam/main.cpp b/src/cam/main.cpp
index 4c2df583..8df8844c 100644
--- a/src/cam/main.cpp
+++ b/src/cam/main.cpp
@@ -133,6 +133,7 @@ static int capture()
 	int ret;
 
 	std::vector<Stream *> streams = camera->streams();
+	std::vector<Request *> requests;
 
 	ret = configureStreams(camera.get(), streams);
 	if (ret < 0) {
@@ -169,21 +170,24 @@ static int capture()
 			goto out;
 		}
 
-		ret = camera->queueRequest(request);
-		if (ret < 0) {
-			std::cerr << "Can't queue request" << std::endl;
-			goto out;
-		}
+		requests.push_back(request);
 	}
 
-	std::cout << "Capture until user interrupts by SIGINT" << std::endl;
-
 	ret = camera->start();
 	if (ret) {
 		std::cout << "Failed to start capture" << std::endl;
 		goto out;
 	}
 
+	for (Request *request : requests) {
+		ret = camera->queueRequest(request);
+		if (ret < 0) {
+			std::cerr << "Can't queue request" << std::endl;
+			goto out;
+		}
+	}
+
+	std::cout << "Capture until user interrupts by SIGINT" << std::endl;
 	ret = loop->exec();
 
 	ret = camera->stop();