[PATCH 1/2] pipeline: simple: Remove media member variable

Kieran Bingham kieran.bingham at ideasonboard.com
Thu Aug 8 19:39:20 CEST 2024


From: Paul Elder <paul.elder at ideasonboard.com>

There is no need for the simple pipeline handler to save the media
device. Remove it.

Signed-off-by: Paul Elder <paul.elder at ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham at ideasonboard.com>
---
 src/libcamera/pipeline/simple/simple.cpp | 21 +++++++++++----------
 1 file changed, 11 insertions(+), 10 deletions(-)

diff --git a/src/libcamera/pipeline/simple/simple.cpp b/src/libcamera/pipeline/simple/simple.cpp
index 9910900e0e5e..222052ce02f8 100644
--- a/src/libcamera/pipeline/simple/simple.cpp
+++ b/src/libcamera/pipeline/simple/simple.cpp
@@ -363,13 +363,12 @@ private:
 		return static_cast<SimpleCameraData *>(camera->_d());
 	}
 
-	std::vector<MediaEntity *> locateSensors();
+	std::vector<MediaEntity *> locateSensors(MediaDevice *media);
 	static int resetRoutingTable(V4L2Subdevice *subdev);
 
 	const MediaPad *acquirePipeline(SimpleCameraData *data);
 	void releasePipeline(SimpleCameraData *data);
 
-	MediaDevice *media_;
 	std::map<const MediaEntity *, EntityData> entities_;
 
 	MediaDevice *converter_;
@@ -1424,7 +1423,8 @@ int SimplePipelineHandler::queueRequestDevice(Camera *camera, Request *request)
  * Match and Setup
  */
 
-std::vector<MediaEntity *> SimplePipelineHandler::locateSensors()
+std::vector<MediaEntity *>
+SimplePipelineHandler::locateSensors(MediaDevice *media)
 {
 	std::vector<MediaEntity *> entities;
 
@@ -1432,7 +1432,7 @@ std::vector<MediaEntity *> SimplePipelineHandler::locateSensors()
 	 * Gather all the camera sensor entities based on the function they
 	 * expose.
 	 */
-	for (MediaEntity *entity : media_->entities()) {
+	for (MediaEntity *entity : media->entities()) {
 		if (entity->function() == MEDIA_ENT_F_CAM_SENSOR)
 			entities.push_back(entity);
 	}
@@ -1520,17 +1520,18 @@ bool SimplePipelineHandler::match(DeviceEnumerator *enumerator)
 {
 	const SimplePipelineInfo *info = nullptr;
 	unsigned int numStreams = 1;
+	MediaDevice *media;
 
 	for (const SimplePipelineInfo &inf : supportedDevices) {
 		DeviceMatch dm(inf.driver);
-		media_ = acquireMediaDevice(enumerator, dm);
-		if (media_) {
+		media = acquireMediaDevice(enumerator, dm);
+		if (media) {
 			info = &inf;
 			break;
 		}
 	}
 
-	if (!media_)
+	if (!media)
 		return false;
 
 	for (const auto &[name, streams] : info->converters) {
@@ -1545,13 +1546,13 @@ bool SimplePipelineHandler::match(DeviceEnumerator *enumerator)
 	swIspEnabled_ = info->swIspEnabled;
 
 	/* Locate the sensors. */
-	std::vector<MediaEntity *> sensors = locateSensors();
+	std::vector<MediaEntity *> sensors = locateSensors(media);
 	if (sensors.empty()) {
-		LOG(SimplePipeline, Info) << "No sensor found for " << media_->deviceNode();
+		LOG(SimplePipeline, Info) << "No sensor found for " << media->deviceNode();
 		return false;
 	}
 
-	LOG(SimplePipeline, Debug) << "Sensor found for " << media_->deviceNode();
+	LOG(SimplePipeline, Debug) << "Sensor found for " << media->deviceNode();
 
 	/*
 	 * Create one camera data instance for each sensor and gather all
-- 
2.34.1



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