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https://git.libcamera.org/libcamera/libcamera.git
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libcamera: raspberrypi: Remove StaggeredCtrl
There are no users left, remove it. Signed-off-by: Niklas Söderlund <niklas.soderlund@ragnatech.se> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Naushir Patuck <naush@raspberrypi.com>
This commit is contained in:
Niklas Söderlund
parent
85f2a5c134
commit
82eb3f7e6d
3 changed files with 0 additions and 271 deletions
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@ -4,5 +4,4 @@ libcamera_sources += files([
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'dma_heaps.cpp',
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'dma_heaps.cpp',
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'raspberrypi.cpp',
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'raspberrypi.cpp',
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'rpi_stream.cpp',
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'rpi_stream.cpp',
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'staggered_ctrl.cpp',
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])
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])
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@ -1,174 +0,0 @@
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2020, Raspberry Pi (Trading) Ltd.
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*
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* staggered_ctrl.cpp - Helper for writing staggered ctrls to a V4L2 device.
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*/
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#include "staggered_ctrl.h"
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#include <algorithm>
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#include <libcamera/controls.h>
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#include "libcamera/internal/log.h"
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#include "libcamera/internal/utils.h"
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#include "libcamera/internal/v4l2_videodevice.h"
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namespace libcamera {
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LOG_DEFINE_CATEGORY(RPI_S_W)
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namespace RPi {
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void StaggeredCtrl::init(V4L2VideoDevice *dev,
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std::initializer_list<std::pair<const uint32_t, uint8_t>> delayList)
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{
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std::lock_guard<std::mutex> lock(lock_);
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dev_ = dev;
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delay_ = delayList;
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ctrl_.clear();
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/* Find the largest delay across all controls. */
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maxDelay_ = 0;
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for (auto const &p : delay_) {
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LOG(RPI_S_W, Info) << "Init ctrl "
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<< utils::hex(p.first) << " with delay "
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<< static_cast<int>(p.second);
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maxDelay_ = std::max(maxDelay_, p.second);
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}
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init_ = true;
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}
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void StaggeredCtrl::reset()
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{
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std::lock_guard<std::mutex> lock(lock_);
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int lastSetCount = setCount_;
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std::unordered_map<uint32_t, int32_t> lastVal;
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/* Reset the counters. */
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setCount_ = getCount_ = 0;
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/* Look for the last set values. */
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for (auto const &c : ctrl_)
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lastVal[c.first] = c.second[lastSetCount].value;
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/* Apply the last set values as the next to be applied. */
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ctrl_.clear();
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for (auto &c : lastVal)
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ctrl_[c.first][setCount_] = CtrlInfo(c.second);
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}
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bool StaggeredCtrl::set(uint32_t ctrl, int32_t value)
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{
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std::lock_guard<std::mutex> lock(lock_);
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/* Can we find this ctrl as one that is registered? */
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if (delay_.find(ctrl) == delay_.end())
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return false;
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ctrl_[ctrl][setCount_].value = value;
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ctrl_[ctrl][setCount_].updated = true;
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return true;
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}
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bool StaggeredCtrl::set(std::initializer_list<std::pair<const uint32_t, int32_t>> ctrlList)
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{
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std::lock_guard<std::mutex> lock(lock_);
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for (auto const &p : ctrlList) {
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/* Can we find this ctrl? */
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if (delay_.find(p.first) == delay_.end())
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return false;
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ctrl_[p.first][setCount_] = CtrlInfo(p.second);
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}
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return true;
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}
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bool StaggeredCtrl::set(const ControlList &controls)
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{
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std::lock_guard<std::mutex> lock(lock_);
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for (auto const &p : controls) {
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/* Can we find this ctrl? */
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if (delay_.find(p.first) == delay_.end())
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return false;
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ctrl_[p.first][setCount_] = CtrlInfo(p.second.get<int32_t>());
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LOG(RPI_S_W, Debug) << "Setting ctrl "
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<< utils::hex(p.first) << " to "
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<< ctrl_[p.first][setCount_].value
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<< " at index "
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<< setCount_;
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}
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return true;
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}
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int StaggeredCtrl::write()
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{
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std::lock_guard<std::mutex> lock(lock_);
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ControlList controls(dev_->controls());
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for (auto &p : ctrl_) {
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int delayDiff = maxDelay_ - delay_[p.first];
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int index = std::max<int>(0, setCount_ - delayDiff);
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if (p.second[index].updated) {
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/* We need to write this value out. */
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controls.set(p.first, p.second[index].value);
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p.second[index].updated = false;
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LOG(RPI_S_W, Debug) << "Writing ctrl "
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<< utils::hex(p.first) << " to "
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<< p.second[index].value
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<< " at index "
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<< index;
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}
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}
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nextFrame();
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return dev_->setControls(&controls);
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}
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void StaggeredCtrl::get(std::unordered_map<uint32_t, int32_t> &ctrl, uint8_t offset)
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{
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std::lock_guard<std::mutex> lock(lock_);
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/* Account for the offset to reset the getCounter. */
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getCount_ += offset + 1;
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ctrl.clear();
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for (auto &p : ctrl_) {
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int index = std::max<int>(0, getCount_ - maxDelay_);
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ctrl[p.first] = p.second[index].value;
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LOG(RPI_S_W, Debug) << "Getting ctrl "
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<< utils::hex(p.first) << " to "
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<< p.second[index].value
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<< " at index "
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<< index;
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}
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}
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void StaggeredCtrl::nextFrame()
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{
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/* Advance the control history to the next frame */
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int prevCount = setCount_;
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setCount_++;
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LOG(RPI_S_W, Debug) << "Next frame, set index is " << setCount_;
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for (auto &p : ctrl_) {
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p.second[setCount_].value = p.second[prevCount].value;
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p.second[setCount_].updated = false;
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}
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}
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} /* namespace RPi */
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} /* namespace libcamera */
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@ -1,96 +0,0 @@
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/* SPDX-License-Identifier: LGPL-2.1-or-later */
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/*
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* Copyright (C) 2020, Raspberry Pi (Trading) Ltd.
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*
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* staggered_ctrl.h - Helper for writing staggered ctrls to a V4L2 device.
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*/
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#ifndef __LIBCAMERA_PIPELINE_RASPBERRYPI_STAGGERED_CTRL_H__
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#define __LIBCAMERA_PIPELINE_RASPBERRYPI_STAGGERED_CTRL_H__
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#include <array>
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#include <initializer_list>
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#include <mutex>
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#include <unordered_map>
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#include <utility>
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namespace libcamera {
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class ControlList;
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class V4L2VideoDevice;
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namespace RPi {
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class StaggeredCtrl
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{
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public:
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StaggeredCtrl()
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: init_(false), setCount_(0), getCount_(0), maxDelay_(0)
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{
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}
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operator bool() const
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{
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return init_;
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}
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void init(V4L2VideoDevice *dev,
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std::initializer_list<std::pair<const uint32_t, uint8_t>> delayList);
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void reset();
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void get(std::unordered_map<uint32_t, int32_t> &ctrl, uint8_t offset = 0);
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bool set(uint32_t ctrl, int32_t value);
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bool set(std::initializer_list<std::pair<const uint32_t, int32_t>> ctrlList);
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bool set(const ControlList &controls);
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int write();
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private:
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void nextFrame();
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/* listSize must be a power of 2. */
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static constexpr int listSize = (1 << 4);
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struct CtrlInfo {
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CtrlInfo()
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: value(0), updated(false)
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{
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}
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CtrlInfo(int32_t value_)
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: value(value_), updated(true)
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{
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}
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int32_t value;
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bool updated;
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};
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class CircularArray : public std::array<CtrlInfo, listSize>
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{
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public:
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CtrlInfo &operator[](int index)
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{
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return std::array<CtrlInfo, listSize>::operator[](index & (listSize - 1));
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}
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const CtrlInfo &operator[](int index) const
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{
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return std::array<CtrlInfo, listSize>::operator[](index & (listSize - 1));
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}
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};
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bool init_;
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uint32_t setCount_;
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uint32_t getCount_;
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uint8_t maxDelay_;
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V4L2VideoDevice *dev_;
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std::unordered_map<uint32_t, uint8_t> delay_;
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std::unordered_map<uint32_t, CircularArray> ctrl_;
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std::mutex lock_;
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};
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} /* namespace RPi */
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} /* namespace libcamera */
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#endif /* __LIBCAMERA_PIPELINE_RASPBERRYPI_STAGGERED_CTRL_H__ */
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