[libcamera-devel] [PATCH 4/9] libcamera: raspberrypi: Switch to DelayedControls
Niklas Söderlund
niklas.soderlund at ragnatech.se
Wed Oct 28 02:00:46 CET 2020
Use the libcamera core helper DelayedControls instead of the local
StaggeredCtrl. The new helper is modeled after the StaggeredCtrl
implementation and behaves the same.
Signed-off-by: Niklas Söderlund <niklas.soderlund at ragnatech.se>
---
.../pipeline/raspberrypi/raspberrypi.cpp | 44 +++++++++----------
1 file changed, 20 insertions(+), 24 deletions(-)
diff --git a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
index a48013d8c27b98eb..4087985f1e66c940 100644
--- a/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
+++ b/src/libcamera/pipeline/raspberrypi/raspberrypi.cpp
@@ -25,6 +25,7 @@
#include "libcamera/internal/bayer_format.h"
#include "libcamera/internal/camera_sensor.h"
+#include "libcamera/internal/delayed_controls.h"
#include "libcamera/internal/device_enumerator.h"
#include "libcamera/internal/ipa_manager.h"
#include "libcamera/internal/media_device.h"
@@ -35,7 +36,6 @@
#include "dma_heaps.h"
#include "rpi_stream.h"
-#include "staggered_ctrl.h"
namespace libcamera {
@@ -169,8 +169,7 @@ public:
RPi::DmaHeap dmaHeap_;
FileDescriptor lsTable_;
- RPi::StaggeredCtrl staggeredCtrl_;
- uint32_t expectedSequence_;
+ std::unique_ptr<DelayedControls> delayedCtrls_;
bool sensorMetadata_;
/*
@@ -773,10 +772,7 @@ int PipelineHandlerRPi::start(Camera *camera)
* starting. First check that the staggered ctrl has been initialised
* by configure().
*/
- ASSERT(data->staggeredCtrl_);
- data->staggeredCtrl_.reset();
- data->staggeredCtrl_.write();
- data->expectedSequence_ = 0;
+ data->delayedCtrls_->reset();
data->state_ = RPiCameraData::State::Idle;
@@ -1107,7 +1103,7 @@ void RPiCameraData::frameStarted(uint32_t sequence)
LOG(RPI, Debug) << "frame start " << sequence;
/* Write any controls for the next frame as soon as we can. */
- staggeredCtrl_.write();
+ delayedCtrls_->frameStart(sequence);
}
int RPiCameraData::loadIPA()
@@ -1185,18 +1181,22 @@ int RPiCameraData::configureIPA(const CameraConfiguration *config)
* Setup our staggered control writer with the sensor default
* gain and exposure delays.
*/
- if (!staggeredCtrl_) {
- staggeredCtrl_.init(unicam_[Unicam::Image].dev(),
- { { V4L2_CID_ANALOGUE_GAIN, result.data[resultIdx++] },
- { V4L2_CID_EXPOSURE, result.data[resultIdx++] } });
+
+ if (!delayedCtrls_) {
+ std::unordered_map<uint32_t, unsigned int> delays = {
+ { V4L2_CID_ANALOGUE_GAIN, result.data[resultIdx++] },
+ { V4L2_CID_EXPOSURE, result.data[resultIdx++] }
+ };
+
+ delayedCtrls_ = std::make_unique<DelayedControls>(unicam_[Unicam::Image].dev(), delays);
+
sensorMetadata_ = result.data[resultIdx++];
}
}
if (result.operation & RPi::IPA_CONFIG_SENSOR) {
- const ControlList &ctrls = result.controls[0];
- if (!staggeredCtrl_.set(ctrls))
- LOG(RPI, Error) << "V4L2 staggered set failed";
+ ControlList ctrls = result.controls[0];
+ delayedCtrls_->reset(&ctrls);
}
if (result.operation & RPi::IPA_CONFIG_DROP_FRAMES) {
@@ -1230,8 +1230,8 @@ void RPiCameraData::queueFrameAction([[maybe_unused]] unsigned int frame,
switch (action.operation) {
case RPi::IPA_ACTION_V4L2_SET_STAGGERED: {
const ControlList &controls = action.controls[0];
- if (!staggeredCtrl_.set(controls))
- LOG(RPI, Error) << "V4L2 staggered set failed";
+ if (!delayedCtrls_->push(controls))
+ LOG(RPI, Error) << "V4L2 delay set failed";
goto done;
}
@@ -1335,11 +1335,7 @@ void RPiCameraData::unicamBufferDequeue(FrameBuffer *buffer)
} else {
embeddedQueue_.push(buffer);
- std::unordered_map<uint32_t, int32_t> ctrl;
- int offset = buffer->metadata().sequence - expectedSequence_;
- staggeredCtrl_.get(ctrl, offset);
-
- expectedSequence_ = buffer->metadata().sequence + 1;
+ ControlList ctrl = delayedCtrls_->get(buffer->metadata().sequence);
/*
* Sensor metadata is unavailable, so put the expected ctrl
@@ -1352,8 +1348,8 @@ void RPiCameraData::unicamBufferDequeue(FrameBuffer *buffer)
PROT_READ | PROT_WRITE,
MAP_SHARED,
fb.planes()[0].fd.fd(), 0));
- mem[0] = ctrl[V4L2_CID_EXPOSURE];
- mem[1] = ctrl[V4L2_CID_ANALOGUE_GAIN];
+ mem[0] = ctrl.get(V4L2_CID_EXPOSURE).get<int32_t>();
+ mem[1] = ctrl.get(V4L2_CID_ANALOGUE_GAIN).get<int32_t>();
munmap(mem, fb.planes()[0].length);
}
}
--
2.29.1
More information about the libcamera-devel
mailing list