summaryrefslogtreecommitdiff
path: root/src/cam/capture_script.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/cam/capture_script.cpp')
-rw-r--r--src/cam/capture_script.cpp535
1 files changed, 0 insertions, 535 deletions
diff --git a/src/cam/capture_script.cpp b/src/cam/capture_script.cpp
deleted file mode 100644
index 5a27361c..00000000
--- a/src/cam/capture_script.cpp
+++ /dev/null
@@ -1,535 +0,0 @@
-/* SPDX-License-Identifier: GPL-2.0-or-later */
-/*
- * Copyright (C) 2022, Ideas on Board Oy
- *
- * capture_script.cpp - Capture session configuration script
- */
-
-#include "capture_script.h"
-
-#include <iostream>
-#include <stdio.h>
-#include <stdlib.h>
-
-using namespace libcamera;
-
-CaptureScript::CaptureScript(std::shared_ptr<Camera> camera,
- const std::string &fileName)
- : camera_(camera), loop_(0), valid_(false)
-{
- FILE *fh = fopen(fileName.c_str(), "r");
- if (!fh) {
- int ret = -errno;
- std::cerr << "Failed to open capture script " << fileName
- << ": " << strerror(-ret) << std::endl;
- return;
- }
-
- /*
- * Map the camera's controls to their name so that they can be
- * easily identified when parsing the script file.
- */
- for (const auto &[control, info] : camera_->controls())
- controls_[control->name()] = control;
-
- int ret = parseScript(fh);
- fclose(fh);
- if (ret)
- return;
-
- valid_ = true;
-}
-
-/* Retrieve the control list associated with a frame number. */
-const ControlList &CaptureScript::frameControls(unsigned int frame)
-{
- static ControlList controls{};
- unsigned int idx = frame;
-
- /* If we loop, repeat the controls every 'loop_' frames. */
- if (loop_)
- idx = frame % loop_;
-
- auto it = frameControls_.find(idx);
- if (it == frameControls_.end())
- return controls;
-
- return it->second;
-}
-
-CaptureScript::EventPtr CaptureScript::nextEvent(yaml_event_type_t expectedType)
-{
- EventPtr event(new yaml_event_t);
-
- if (!yaml_parser_parse(&parser_, event.get()))
- return nullptr;
-
- if (expectedType != YAML_NO_EVENT && !checkEvent(event, expectedType))
- return nullptr;
-
- return event;
-}
-
-bool CaptureScript::checkEvent(const EventPtr &event, yaml_event_type_t expectedType) const
-{
- if (event->type != expectedType) {
- std::cerr << "Capture script error on line " << event->start_mark.line
- << " column " << event->start_mark.column << ": "
- << "Expected " << eventTypeName(expectedType)
- << " event, got " << eventTypeName(event->type)
- << std::endl;
- return false;
- }
-
- return true;
-}
-
-std::string CaptureScript::eventScalarValue(const EventPtr &event)
-{
- return std::string(reinterpret_cast<char *>(event->data.scalar.value),
- event->data.scalar.length);
-}
-
-std::string CaptureScript::eventTypeName(yaml_event_type_t type)
-{
- static const std::map<yaml_event_type_t, std::string> typeNames = {
- { YAML_STREAM_START_EVENT, "stream-start" },
- { YAML_STREAM_END_EVENT, "stream-end" },
- { YAML_DOCUMENT_START_EVENT, "document-start" },
- { YAML_DOCUMENT_END_EVENT, "document-end" },
- { YAML_ALIAS_EVENT, "alias" },
- { YAML_SCALAR_EVENT, "scalar" },
- { YAML_SEQUENCE_START_EVENT, "sequence-start" },
- { YAML_SEQUENCE_END_EVENT, "sequence-end" },
- { YAML_MAPPING_START_EVENT, "mapping-start" },
- { YAML_MAPPING_END_EVENT, "mapping-end" },
- };
-
- auto it = typeNames.find(type);
- if (it == typeNames.end())
- return "[type " + std::to_string(type) + "]";
-
- return it->second;
-}
-
-int CaptureScript::parseScript(FILE *script)
-{
- int ret = yaml_parser_initialize(&parser_);
- if (!ret) {
- std::cerr << "Failed to initialize yaml parser" << std::endl;
- return ret;
- }
-
- /* Delete the parser upon function exit. */
- struct ParserDeleter {
- ParserDeleter(yaml_parser_t *parser) : parser_(parser) { }
- ~ParserDeleter() { yaml_parser_delete(parser_); }
- yaml_parser_t *parser_;
- } deleter(&parser_);
-
- yaml_parser_set_input_file(&parser_, script);
-
- EventPtr event = nextEvent(YAML_STREAM_START_EVENT);
- if (!event)
- return -EINVAL;
-
- event = nextEvent(YAML_DOCUMENT_START_EVENT);
- if (!event)
- return -EINVAL;
-
- event = nextEvent(YAML_MAPPING_START_EVENT);
- if (!event)
- return -EINVAL;
-
- while (1) {
- event = nextEvent();
- if (!event)
- return -EINVAL;
-
- if (event->type == YAML_MAPPING_END_EVENT)
- return 0;
-
- if (!checkEvent(event, YAML_SCALAR_EVENT))
- return -EINVAL;
-
- std::string section = eventScalarValue(event);
-
- if (section == "properties") {
- ret = parseProperties();
- if (ret)
- return ret;
- } else if (section == "frames") {
- ret = parseFrames();
- if (ret)
- return ret;
- } else {
- std::cerr << "Unsupported section '" << section << "'"
- << std::endl;
- return -EINVAL;
- }
- }
-}
-
-int CaptureScript::parseProperty()
-{
- EventPtr event = nextEvent(YAML_MAPPING_START_EVENT);
- if (!event)
- return -EINVAL;
-
- std::string prop = parseScalar();
- if (prop.empty())
- return -EINVAL;
-
- if (prop == "loop") {
- event = nextEvent();
- if (!event)
- return -EINVAL;
-
- std::string value = eventScalarValue(event);
- if (value.empty())
- return -EINVAL;
-
- loop_ = atoi(value.c_str());
- if (!loop_) {
- std::cerr << "Invalid loop limit '" << loop_ << "'"
- << std::endl;
- return -EINVAL;
- }
- } else {
- std::cerr << "Unsupported property '" << prop << "'" << std::endl;
- return -EINVAL;
- }
-
- event = nextEvent(YAML_MAPPING_END_EVENT);
- if (!event)
- return -EINVAL;
-
- return 0;
-}
-
-int CaptureScript::parseProperties()
-{
- EventPtr event = nextEvent(YAML_SEQUENCE_START_EVENT);
- if (!event)
- return -EINVAL;
-
- while (1) {
- if (event->type == YAML_SEQUENCE_END_EVENT)
- return 0;
-
- int ret = parseProperty();
- if (ret)
- return ret;
-
- event = nextEvent();
- if (!event)
- return -EINVAL;
- }
-
- return 0;
-}
-
-int CaptureScript::parseFrames()
-{
- EventPtr event = nextEvent(YAML_SEQUENCE_START_EVENT);
- if (!event)
- return -EINVAL;
-
- while (1) {
- event = nextEvent();
- if (!event)
- return -EINVAL;
-
- if (event->type == YAML_SEQUENCE_END_EVENT)
- return 0;
-
- int ret = parseFrame(std::move(event));
- if (ret)
- return ret;
- }
-}
-
-int CaptureScript::parseFrame(EventPtr event)
-{
- if (!checkEvent(event, YAML_MAPPING_START_EVENT))
- return -EINVAL;
-
- std::string key = parseScalar();
- if (key.empty())
- return -EINVAL;
-
- unsigned int frameId = atoi(key.c_str());
- if (loop_ && frameId >= loop_) {
- std::cerr
- << "Frame id (" << frameId << ") shall be smaller than"
- << "loop limit (" << loop_ << ")" << std::endl;
- return -EINVAL;
- }
-
- event = nextEvent(YAML_MAPPING_START_EVENT);
- if (!event)
- return -EINVAL;
-
- ControlList controls{};
-
- while (1) {
- event = nextEvent();
- if (!event)
- return -EINVAL;
-
- if (event->type == YAML_MAPPING_END_EVENT)
- break;
-
- int ret = parseControl(std::move(event), controls);
- if (ret)
- return ret;
- }
-
- frameControls_[frameId] = std::move(controls);
-
- event = nextEvent(YAML_MAPPING_END_EVENT);
- if (!event)
- return -EINVAL;
-
- return 0;
-}
-
-int CaptureScript::parseControl(EventPtr event, ControlList &controls)
-{
- /* We expect a value after a key. */
- std::string name = eventScalarValue(event);
- if (name.empty())
- return -EINVAL;
-
- /* If the camera does not support the control just ignore it. */
- auto it = controls_.find(name);
- if (it == controls_.end()) {
- std::cerr << "Unsupported control '" << name << "'" << std::endl;
- return -EINVAL;
- }
-
- const ControlId *controlId = it->second;
-
- ControlValue val = unpackControl(controlId);
- if (val.isNone()) {
- std::cerr << "Error unpacking control '" << name << "'"
- << std::endl;
- return -EINVAL;
- }
-
- controls.set(controlId->id(), val);
-
- return 0;
-}
-
-std::string CaptureScript::parseScalar()
-{
- EventPtr event = nextEvent(YAML_SCALAR_EVENT);
- if (!event)
- return "";
-
- return eventScalarValue(event);
-}
-
-ControlValue CaptureScript::parseRectangles()
-{
- std::vector<libcamera::Rectangle> rectangles;
-
- std::vector<std::vector<std::string>> arrays = parseArrays();
- if (arrays.empty())
- return {};
-
- for (const std::vector<std::string> &values : arrays) {
- if (values.size() != 4) {
- std::cerr << "Error parsing Rectangle: expected "
- << "array with 4 parameters" << std::endl;
- return {};
- }
-
- Rectangle rect = unpackRectangle(values);
- rectangles.push_back(rect);
- }
-
- ControlValue controlValue;
- controlValue.set(Span<const Rectangle>(rectangles));
-
- return controlValue;
-}
-
-std::vector<std::vector<std::string>> CaptureScript::parseArrays()
-{
- EventPtr event = nextEvent(YAML_SEQUENCE_START_EVENT);
- if (!event)
- return {};
-
- event = nextEvent();
- if (!event)
- return {};
-
- std::vector<std::vector<std::string>> valueArrays;
-
- /* Parse single array. */
- if (event->type == YAML_SCALAR_EVENT) {
- std::string firstValue = eventScalarValue(event);
- if (firstValue.empty())
- return {};
-
- std::vector<std::string> remaining = parseSingleArray();
-
- std::vector<std::string> values = { firstValue };
- values.insert(std::end(values),
- std::begin(remaining), std::end(remaining));
- valueArrays.push_back(values);
-
- return valueArrays;
- }
-
- /* Parse array of arrays. */
- while (1) {
- switch (event->type) {
- case YAML_SEQUENCE_START_EVENT: {
- std::vector<std::string> values = parseSingleArray();
- valueArrays.push_back(values);
- break;
- }
- case YAML_SEQUENCE_END_EVENT:
- return valueArrays;
- default:
- return {};
- }
-
- event = nextEvent();
- if (!event)
- return {};
- }
-}
-
-std::vector<std::string> CaptureScript::parseSingleArray()
-{
- std::vector<std::string> values;
-
- while (1) {
- EventPtr event = nextEvent();
- if (!event)
- return {};
-
- switch (event->type) {
- case YAML_SCALAR_EVENT: {
- std::string value = eventScalarValue(event);
- if (value.empty())
- return {};
- values.push_back(value);
- break;
- }
- case YAML_SEQUENCE_END_EVENT:
- return values;
- default:
- return {};
- }
- }
-}
-
-void CaptureScript::unpackFailure(const ControlId *id, const std::string &repr)
-{
- static const std::map<unsigned int, const char *> typeNames = {
- { ControlTypeNone, "none" },
- { ControlTypeBool, "bool" },
- { ControlTypeByte, "byte" },
- { ControlTypeInteger32, "int32" },
- { ControlTypeInteger64, "int64" },
- { ControlTypeFloat, "float" },
- { ControlTypeString, "string" },
- { ControlTypeRectangle, "Rectangle" },
- { ControlTypeSize, "Size" },
- };
-
- const char *typeName;
- auto it = typeNames.find(id->type());
- if (it != typeNames.end())
- typeName = it->second;
- else
- typeName = "unknown";
-
- std::cerr << "Unsupported control '" << repr << "' for "
- << typeName << " control " << id->name() << std::endl;
-}
-
-ControlValue CaptureScript::unpackControl(const ControlId *id)
-{
- /* Parse complex types. */
- switch (id->type()) {
- case ControlTypeRectangle:
- return parseRectangles();
- case ControlTypeSize:
- /* \todo Parse Sizes. */
- return {};
- default:
- break;
- }
-
- /* Parse basic types represented by a single scalar. */
- const std::string repr = parseScalar();
- if (repr.empty())
- return {};
-
- ControlValue value{};
-
- switch (id->type()) {
- case ControlTypeNone:
- break;
- case ControlTypeBool: {
- bool val;
-
- if (repr == "true") {
- val = true;
- } else if (repr == "false") {
- val = false;
- } else {
- unpackFailure(id, repr);
- return value;
- }
-
- value.set<bool>(val);
- break;
- }
- case ControlTypeByte: {
- uint8_t val = strtol(repr.c_str(), NULL, 10);
- value.set<uint8_t>(val);
- break;
- }
- case ControlTypeInteger32: {
- int32_t val = strtol(repr.c_str(), NULL, 10);
- value.set<int32_t>(val);
- break;
- }
- case ControlTypeInteger64: {
- int64_t val = strtoll(repr.c_str(), NULL, 10);
- value.set<int64_t>(val);
- break;
- }
- case ControlTypeFloat: {
- float val = strtof(repr.c_str(), NULL);
- value.set<float>(val);
- break;
- }
- case ControlTypeString: {
- value.set<std::string>(repr);
- break;
- }
- default:
- std::cerr << "Unsupported control type" << std::endl;
- break;
- }
-
- return value;
-}
-
-libcamera::Rectangle CaptureScript::unpackRectangle(const std::vector<std::string> &strVec)
-{
- int x = strtol(strVec[0].c_str(), NULL, 10);
- int y = strtol(strVec[1].c_str(), NULL, 10);
- unsigned int width = strtoul(strVec[2].c_str(), NULL, 10);
- unsigned int height = strtoul(strVec[3].c_str(), NULL, 10);
-
- return Rectangle(x, y, width, height);
-}