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libcamera: controls: Merge ControlInfoMap and V4L2ControlInfoMap

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The ControlInfoMap and V4L2ControlInfoMap classes are very similar, with
the latter adding convenience accessors based on numerical IDs for the
former, as well as a cached idmap. Both features can be useful for
ControlInfoMap in the context of serialisation, and merging the two
classes will further simplify the IPA API.

Import all the features of V4L2ControlInfoMap into ControlInfoMap,
turning the latter into a real class. A few new constructors and
assignment operators are added for completeness.

Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Reviewed-by: Niklas Söderlund <niklas.soderlund@ragnatech.se>
Reviewed-by: Jacopo Mondi <jacopo@jmondi.org>
This commit is contained in:
Laurent Pinchart 2019-10-14 02:08:44 +03:00
parent c957c8580a
commit 319d6ae8e3
16 changed files with 220 additions and 154 deletions
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45
include/libcamera/controls.h
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@ -118,7 +118,50 @@ private:
};
using ControlIdMap = std::unordered_map<unsigned int, const ControlId *>;
using ControlInfoMap = std::unordered_map<const ControlId *, ControlRange>;
class ControlInfoMap : private std::unordered_map<const ControlId *, ControlRange>
{
public:
using Map = std::unordered_map<const ControlId *, ControlRange>;
ControlInfoMap() = default;
ControlInfoMap(const ControlInfoMap &other) = default;
ControlInfoMap(std::initializer_list<Map::value_type> init);
ControlInfoMap &operator=(const ControlInfoMap &other) = default;
ControlInfoMap &operator=(std::initializer_list<Map::value_type> init);
ControlInfoMap &operator=(Map &&info);
using Map::key_type;
using Map::mapped_type;
using Map::value_type;
using Map::size_type;
using Map::iterator;
using Map::const_iterator;
using Map::begin;
using Map::cbegin;
using Map::end;
using Map::cend;
using Map::at;
using Map::empty;
using Map::size;
using Map::count;
using Map::find;
mapped_type &at(unsigned int key);
const mapped_type &at(unsigned int key) const;
size_type count(unsigned int key) const;
iterator find(unsigned int key);
const_iterator find(unsigned int key) const;
const ControlIdMap &idmap() const { return idmap_; }
private:
void generateIdmap();
ControlIdMap idmap_;
};
class ControlList
{