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pipeline: simple: Initialize maxQueuedRequestsDevice to 4

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In order to prepare for the pipeline handler to support higher buffer
counts than 4, limit the number of queued requests to this number as
apps otherwise may exhaust the limit of frame contexts (see
ipa::soft::kMaxFrameContexts => 16).

Suggested-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Signed-off-by: Robert Mader <robert.mader@collabora.com>
Reviewed-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
Tested-by: Barnabás Pőcze <barnabas.pocze@ideasonboard.com>
Signed-off-by: Kieran Bingham <kieran.bingham@ideasonboard.com>
This commit is contained in:
Robert Mader
2025-10-12 16:20:50 +02:00
committed by Kieran Bingham
parent 8ddcff447a
commit d82780801d
1 changed files with 3 additions and 1 deletions
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4
src/libcamera/pipeline/simple/simple.cpp
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@@ -417,6 +417,7 @@ protected:
int queueRequestDevice(Camera *camera, Request *request) override;
private:
static constexpr unsigned int kMaxQueuedRequestsDevice = 4;
static constexpr unsigned int kNumInternalBuffers = 3;
struct EntityData {
@@ -1273,7 +1274,8 @@ CameraConfiguration::Status SimpleCameraConfiguration::validate()
*/
SimplePipelineHandler::SimplePipelineHandler(CameraManager *manager)
: PipelineHandler(manager), converter_(nullptr)
: PipelineHandler(manager, kMaxQueuedRequestsDevice),
converter_(nullptr)
{
}