[v1,3/6] pipeline: rkisp1: Limit the maximum number of buffers queued in
diff mbox series

Message ID 20250630081126.2384387-4-stefan.klug@ideasonboard.com
State New
Headers show
Series
  • rkisp1: Allow usage of more than 4 buffers
Related show

Commit Message

Stefan Klug June 30, 2025, 8:11 a.m. UTC 
To keep the regulation of the algorithms as short as possible and to
allow more buffers to be created than the v4l2 device allows to be queued,
limit the amount of buffers that get queued into the device to the pipeline depth.

Signed-off-by: Stefan Klug <stefan.klug@ideasonboard.com>

---

Changes in v1:
- Replaced function overload with constructor param
---
 src/libcamera/pipeline/rkisp1/rkisp1.cpp | 8 +++++++-
 1 file changed, 7 insertions(+), 1 deletion(-)

Patch
diff mbox series 

diff --git a/src/libcamera/pipeline/rkisp1/rkisp1.cpp b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
index 675f0a7490a6..bd14ab237064 100644
--- a/src/libcamera/pipeline/rkisp1/rkisp1.cpp
+++ b/src/libcamera/pipeline/rkisp1/rkisp1.cpp
@@ -155,6 +155,12 @@  private:
 	Transform combinedTransform_;
 };
 
+namespace {
+
+const unsigned int kPipelineDepth = 4;
+
+};
+
 class PipelineHandlerRkISP1 : public PipelineHandler
 {
 public:
@@ -684,7 +690,7 @@  CameraConfiguration::Status RkISP1CameraConfiguration::validate()
  */
 
 PipelineHandlerRkISP1::PipelineHandlerRkISP1(CameraManager *manager)
-	: PipelineHandler(manager), hasSelfPath_(true), useDewarper_(false)
+	: PipelineHandler(manager, kPipelineDepth), hasSelfPath_(true), useDewarper_(false)
 {
 }