<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="currentColor" stroke-width="2" stroke-linecap="round" stroke-linejoin="round" class="feather feather-arrow-down-left"><line x1="17" y1="7" x2="7" y2="17"></line><polyline points="17 17 7 17 7 7"></polyline></svg>/> <link rel='vcs-git' href='https://git.libcamera.org/libcamera/pinchartl/libcamera.git' title='libcamera/pinchartl/libcamera.git Git repository'/> </head> <body> <div id='cgit'><table id='header'> <tr> <td class='logo' rowspan='2'><a href='/'><img src='/logo.png' alt='cgit logo'/></a></td> <td class='main'><a href='/'>index</a> : <a title='libcamera/pinchartl/libcamera.git' href='/libcamera/pinchartl/libcamera.git/'>libcamera/pinchartl/libcamera.git</a></td><td class='form'><form method='get'> <input type='hidden' name='id' value='02bc2a8a24baaff82d1c5f8cb5d9ab7d1afab426'/><select name='h' onchange='this.form.submit();'> <option value='master' selected='selected'>master</option> <option value='mtk/camsv'>mtk/camsv</option> <option value='mtk/multi-cam'>mtk/multi-cam</option> <option value='rpi/streams/next'>rpi/streams/next</option> <option value='simple/imx8'>simple/imx8</option> </select> <input type='submit' value='switch'/></form></td></tr> <tr><td class='sub'>Laurent Pinchart's clone of libcamera</td><td class='sub right'>git repository hosting on libcamera.org</td></tr></table> <table class='tabs'><tr><td> <a href='/libcamera/pinchartl/libcamera.git/'>summary</a><a href='/libcamera/pinchartl/libcamera.git/refs/?id=02bc2a8a24baaff82d1c5f8cb5d9ab7d1afab426'>refs</a><a href='/libcamera/pinchartl/libcamera.git/log/include/libcamera/controls.h'>log</a><a class='active' href='/libcamera/pinchartl/libcamera.git/tree/include/libcamera/controls.h?id=02bc2a8a24baaff82d1c5f8cb5d9ab7d1afab426'>tree</a><a 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LGPL-2.1-or-later */</span> <span class="hl com">/*</span> <span class="hl com"> * Copyright (C) 2019, Google Inc.</span> <span class="hl com"> *</span> <span class="hl com"> * controls.h - Control handling</span> <span class="hl com"> */</span> <span class="hl ppc">#pragma once</span> <span class="hl ppc">#include <assert.h></span> <span class="hl ppc">#include <optional></span> <span class="hl ppc">#include <set></span> <span class="hl ppc">#include <stdint.h></span> <span class="hl ppc">#include <string></span> <span class="hl ppc">#include <unordered_map></span> <span class="hl ppc">#include <vector></span> <span class="hl ppc">#include <libcamera/base/class.h></span> <span class="hl ppc">#include <libcamera/base/span.h></span> <span class="hl ppc">#include <libcamera/geometry.h></span> <span class="hl kwa">namespace</span> libcamera <span class="hl opt">{</span> <span class="hl kwc">class</span> ControlValidator<span class="hl opt">;</span> <span class="hl kwb">enum</span> ControlType <span class="hl opt">{</span> ControlTypeNone<span class="hl opt">,</span> ControlTypeBool<span class="hl opt">,</span> ControlTypeByte<span class="hl opt">,</span> ControlTypeInteger32<span class="hl opt">,</span> ControlTypeInteger64<span class="hl opt">,</span> ControlTypeFloat<span class="hl opt">,</span> ControlTypeString<span class="hl opt">,</span> ControlTypeRectangle<span class="hl opt">,</span> ControlTypeSize<span class="hl opt">,</span> <span class="hl opt">};</span> <span class="hl kwa">namespace</span> details <span class="hl opt">{</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">></span> <span class="hl kwb">struct</span> control_type <span class="hl opt">{</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span><span class="hl kwb">void</span><span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeNone<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span><span class="hl kwb">bool</span><span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeBool<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span><span class="hl kwb">uint8_t</span><span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeByte<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span><span class="hl kwb">int32_t</span><span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeInteger32<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span><span class="hl kwb">int64_t</span><span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeInteger64<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span><span class="hl kwb">float</span><span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeFloat<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeString<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span>Rectangle<span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeRectangle<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span>Size<span class="hl opt">> {</span> <span class="hl kwb">static</span> <span class="hl kwc">constexpr</span> ControlType value <span class="hl opt">=</span> ControlTypeSize<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwb">size_t</span> N<span class="hl opt">></span> <span class="hl kwb">struct</span> control_type<span class="hl opt"><</span>Span<span class="hl opt"><</span>T<span class="hl opt">,</span> N<span class="hl opt">>> :</span> <span class="hl kwc">public</span> control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>> {</span> <span class="hl opt">};</span> <span class="hl opt">}</span> <span class="hl com">/* namespace details */</span> <span class="hl kwc">class</span> ControlValue <span class="hl opt">{</span> <span class="hl kwc">public</span><span class="hl opt">:</span> <span class="hl kwd">ControlValue</span><span class="hl opt">();</span> <span class="hl ppc">#ifndef __DOXYGEN__</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>enable_if_t<span class="hl opt"><!</span><span class="hl kwc">details</span><span class="hl opt">::</span>is_span<span class="hl opt"><</span>T<span class="hl opt">>::</span>value <span class="hl opt">&&</span> <span class="hl kwc">details</span><span class="hl opt">::</span>control_type<span class="hl opt"><</span>T<span class="hl opt">>::</span>value <span class="hl opt">&&</span> <span class="hl opt">!</span><span class="hl kwc">std</span><span class="hl opt">::</span>is_same<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>nullptr_t<span class="hl opt">> =</span> <span class="hl kwc">nullptr</span><span class="hl opt">></span> <span class="hl kwd">ControlValue</span><span class="hl opt">(</span><span class="hl kwb">const</span> T <span class="hl opt">&</span>value<span class="hl opt">)</span> <span class="hl opt">:</span> <span class="hl kwd">type_</span><span class="hl opt">(</span>ControlTypeNone<span class="hl opt">),</span> <span class="hl kwd">numElements_</span><span class="hl opt">(</span><span class="hl num">0</span><span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwd">set</span><span class="hl opt">(</span><span class="hl kwc">details</span><span class="hl opt">::</span>control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwa">false</span><span class="hl opt">,</span> <span class="hl opt">&</span>value<span class="hl opt">,</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwa">sizeof</span><span class="hl opt">(</span>T<span class="hl opt">));</span> <span class="hl opt">}</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>enable_if_t<span class="hl opt"><</span><span class="hl kwc">details</span><span class="hl opt">::</span>is_span<span class="hl opt"><</span>T<span class="hl opt">>::</span>value <span class="hl opt">||</span> <span class="hl kwc">std</span><span class="hl opt">::</span>is_same<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>nullptr_t<span class="hl opt">> =</span> <span class="hl kwc">nullptr</span><span class="hl opt">></span> <span class="hl ppc">#else</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">></span> <span class="hl ppc">#endif</span> <span class="hl kwd">ControlValue</span><span class="hl opt">(</span><span class="hl kwb">const</span> T <span class="hl opt">&</span>value<span class="hl opt">)</span> <span class="hl opt">:</span> <span class="hl kwd">type_</span><span class="hl opt">(</span>ControlTypeNone<span class="hl opt">),</span> <span class="hl kwd">numElements_</span><span class="hl opt">(</span><span class="hl num">0</span><span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwd">set</span><span class="hl opt">(</span><span class="hl kwc">details</span><span class="hl opt">::</span>control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwa">true</span><span class="hl opt">,</span> value<span class="hl opt">.</span><span class="hl kwd">data</span><span class="hl opt">(),</span> value<span class="hl opt">.</span><span class="hl kwd">size</span><span class="hl opt">(),</span> <span class="hl kwa">sizeof</span><span class="hl opt">(</span>typename <span class="hl kwc">T</span><span class="hl opt">::</span>value_type<span class="hl opt">));</span> <span class="hl opt">}</span> <span class="hl opt">~</span><span class="hl kwd">ControlValue</span><span class="hl opt">();</span> <span class="hl kwd">ControlValue</span><span class="hl opt">(</span><span class="hl kwb">const</span> ControlValue <span class="hl opt">&</span>other<span class="hl opt">);</span> ControlValue <span class="hl opt">&</span><span class="hl kwc">operator</span><span class="hl opt">=(</span><span class="hl kwb">const</span> ControlValue <span class="hl opt">&</span>other<span class="hl opt">);</span> ControlType <span class="hl kwd">type</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> type_<span class="hl opt">; }</span> <span class="hl kwb">bool</span> <span class="hl kwd">isNone</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> type_ <span class="hl opt">==</span> ControlTypeNone<span class="hl opt">; }</span> <span class="hl kwb">bool</span> <span class="hl kwd">isArray</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> isArray_<span class="hl opt">; }</span> <span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwb">size_t</span> <span class="hl kwd">numElements</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> numElements_<span class="hl opt">; }</span> Span<span class="hl opt"><</span><span class="hl kwb">const uint8_t</span><span class="hl opt">></span> <span class="hl kwd">data</span><span class="hl opt">()</span> <span class="hl kwb">const</span><span class="hl opt">;</span> Span<span class="hl opt"><</span><span class="hl kwb">uint8_t</span><span class="hl opt">></span> <span class="hl kwd">data</span><span class="hl opt">();</span> <span class="hl kwc">std</span><span class="hl opt">::</span>string <span class="hl kwd">toString</span><span class="hl opt">()</span> <span class="hl kwb">const</span><span class="hl opt">;</span> <span class="hl kwb">bool</span> <span class="hl kwc">operator</span><span class="hl opt">==(</span><span class="hl kwb">const</span> ControlValue <span class="hl opt">&</span>other<span class="hl opt">)</span> <span class="hl kwb">const</span><span class="hl opt">;</span> <span class="hl kwb">bool</span> <span class="hl kwc">operator</span><span class="hl opt">!=(</span><span class="hl kwb">const</span> ControlValue <span class="hl opt">&</span>other<span class="hl opt">)</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> <span class="hl opt">!(*</span><span class="hl kwa">this</span> <span class="hl opt">==</span> other<span class="hl opt">);</span> <span class="hl opt">}</span> <span class="hl ppc">#ifndef __DOXYGEN__</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>enable_if_t<span class="hl opt"><!</span><span class="hl kwc">details</span><span class="hl opt">::</span>is_span<span class="hl opt"><</span>T<span class="hl opt">>::</span>value <span class="hl opt">&&</span> <span class="hl opt">!</span><span class="hl kwc">std</span><span class="hl opt">::</span>is_same<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>nullptr_t<span class="hl opt">> =</span> <span class="hl kwc">nullptr</span><span class="hl opt">></span> T <span class="hl kwd">get</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">assert</span><span class="hl opt">(</span>type_ <span class="hl opt">==</span> <span class="hl kwc">details</span><span class="hl opt">::</span>control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">);</span> <span class="hl kwa">assert</span><span class="hl opt">(!</span>isArray_<span class="hl opt">);</span> <span class="hl kwa">return</span> <span class="hl opt">*</span><span class="hl kwa">reinterpret_cast</span><span class="hl opt"><</span><span class="hl kwb">const</span> T <span class="hl opt">*>(</span><span class="hl kwd">data</span><span class="hl opt">().</span><span class="hl kwd">data</span><span class="hl opt">());</span> <span class="hl opt">}</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>enable_if_t<span class="hl opt"><</span><span class="hl kwc">details</span><span class="hl opt">::</span>is_span<span class="hl opt"><</span>T<span class="hl opt">>::</span>value <span class="hl opt">||</span> <span class="hl kwc">std</span><span class="hl opt">::</span>is_same<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>nullptr_t<span class="hl opt">> =</span> <span class="hl kwc">nullptr</span><span class="hl opt">></span> <span class="hl ppc">#else</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">></span> <span class="hl ppc">#endif</span> T <span class="hl kwd">get</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">assert</span><span class="hl opt">(</span>type_ <span class="hl opt">==</span> <span class="hl kwc">details</span><span class="hl opt">::</span>control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">);</span> <span class="hl kwa">assert</span><span class="hl opt">(</span>isArray_<span class="hl opt">);</span> <span class="hl kwa">using</span> V <span class="hl opt">=</span> typename <span class="hl kwc">T</span><span class="hl opt">::</span>value_type<span class="hl opt">;</span> <span class="hl kwb">const</span> V <span class="hl opt">*</span>value <span class="hl opt">=</span> <span class="hl kwa">reinterpret_cast</span><span class="hl opt"><</span><span class="hl kwb">const</span> V <span class="hl opt">*>(</span><span class="hl kwd">data</span><span class="hl opt">().</span><span class="hl kwd">data</span><span class="hl opt">());</span> <span class="hl kwa">return</span> T<span class="hl opt">{</span> value<span class="hl opt">,</span> numElements_ <span class="hl opt">};</span> <span class="hl opt">}</span> <span class="hl ppc">#ifndef __DOXYGEN__</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>enable_if_t<span class="hl opt"><!</span><span class="hl kwc">details</span><span class="hl opt">::</span>is_span<span class="hl opt"><</span>T<span class="hl opt">>::</span>value <span class="hl opt">&&</span> <span class="hl opt">!</span><span class="hl kwc">std</span><span class="hl opt">::</span>is_same<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>nullptr_t<span class="hl opt">> =</span> <span class="hl kwc">nullptr</span><span class="hl opt">></span> <span class="hl kwb">void</span> <span class="hl kwd">set</span><span class="hl opt">(</span><span class="hl kwb">const</span> T <span class="hl opt">&</span>value<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwd">set</span><span class="hl opt">(</span><span class="hl kwc">details</span><span class="hl opt">::</span>control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwa">false</span><span class="hl opt">,</span> <span class="hl kwa">reinterpret_cast</span><span class="hl opt"><</span><span class="hl kwb">const void</span> <span class="hl opt">*>(&</span>value<span class="hl opt">),</span> <span class="hl num">1</span><span class="hl opt">,</span> <span class="hl kwa">sizeof</span><span class="hl opt">(</span>T<span class="hl opt">));</span> <span class="hl opt">}</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>enable_if_t<span class="hl opt"><</span><span class="hl kwc">details</span><span class="hl opt">::</span>is_span<span class="hl opt"><</span>T<span class="hl opt">>::</span>value <span class="hl opt">||</span> <span class="hl kwc">std</span><span class="hl opt">::</span>is_same<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>string<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span>nullptr_t<span class="hl opt">> =</span> <span class="hl kwc">nullptr</span><span class="hl opt">></span> <span class="hl ppc">#else</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">></span> <span class="hl ppc">#endif</span> <span class="hl kwb">void</span> <span class="hl kwd">set</span><span class="hl opt">(</span><span class="hl kwb">const</span> T <span class="hl opt">&</span>value<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwd">set</span><span class="hl opt">(</span><span class="hl kwc">details</span><span class="hl opt">::</span>control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">,</span> <span class="hl kwa">true</span><span class="hl opt">,</span> value<span class="hl opt">.</span><span class="hl kwd">data</span><span class="hl opt">(),</span> value<span class="hl opt">.</span><span class="hl kwd">size</span><span class="hl opt">(),</span> <span class="hl kwa">sizeof</span><span class="hl opt">(</span>typename <span class="hl kwc">T</span><span class="hl opt">::</span>value_type<span class="hl opt">));</span> <span class="hl opt">}</span> <span class="hl kwb">void</span> <span class="hl kwd">reserve</span><span class="hl opt">(</span>ControlType type<span class="hl opt">,</span> <span class="hl kwb">bool</span> isArray <span class="hl opt">=</span> <span class="hl kwa">false</span><span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwb">size_t</span> numElements <span class="hl opt">=</span> <span class="hl num">1</span><span class="hl opt">);</span> <span class="hl kwc">private</span><span class="hl opt">:</span> ControlType type_ <span class="hl opt">:</span> <span class="hl num">8</span><span class="hl opt">;</span> <span class="hl kwb">bool</span> isArray_<span class="hl opt">;</span> <span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwb">size_t</span> numElements_ <span class="hl opt">:</span> <span class="hl num">32</span><span class="hl opt">;</span> <span class="hl kwb">union</span> <span class="hl opt">{</span> <span class="hl kwb">uint64_t</span> value_<span class="hl opt">;</span> <span class="hl kwb">void</span> <span class="hl opt">*</span>storage_<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwb">void</span> <span class="hl kwd">release</span><span class="hl opt">();</span> <span class="hl kwb">void</span> <span class="hl kwd">set</span><span class="hl opt">(</span>ControlType type<span class="hl opt">,</span> <span class="hl kwb">bool</span> isArray<span class="hl opt">,</span> <span class="hl kwb">const void</span> <span class="hl opt">*</span>data<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwb">size_t</span> numElements<span class="hl opt">,</span> <span class="hl kwc">std</span><span class="hl opt">::</span><span class="hl kwb">size_t</span> elementSize<span class="hl opt">);</span> <span class="hl opt">};</span> <span class="hl kwc">class</span> ControlId <span class="hl opt">{</span> <span class="hl kwc">public</span><span class="hl opt">:</span> <span class="hl kwd">ControlId</span><span class="hl opt">(</span><span class="hl kwb">unsigned int</span> id<span class="hl opt">,</span> <span class="hl kwb">const</span> <span class="hl kwc">std</span><span class="hl opt">::</span>string <span class="hl opt">&</span>name<span class="hl opt">,</span> ControlType type<span class="hl opt">)</span> <span class="hl opt">:</span> <span class="hl kwd">id_</span><span class="hl opt">(</span>id<span class="hl opt">),</span> <span class="hl kwd">name_</span><span class="hl opt">(</span>name<span class="hl opt">),</span> <span class="hl kwd">type_</span><span class="hl opt">(</span>type<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl opt">}</span> <span class="hl kwb">unsigned int</span> <span class="hl kwd">id</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> id_<span class="hl opt">; }</span> <span class="hl kwb">const</span> <span class="hl kwc">std</span><span class="hl opt">::</span>string <span class="hl opt">&</span><span class="hl kwd">name</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> name_<span class="hl opt">; }</span> ControlType <span class="hl kwd">type</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> type_<span class="hl opt">; }</span> <span class="hl kwc">private</span><span class="hl opt">:</span> <span class="hl kwd">LIBCAMERA_DISABLE_COPY_AND_MOVE</span><span class="hl opt">(</span>ControlId<span class="hl opt">)</span> <span class="hl kwb">unsigned int</span> id_<span class="hl opt">;</span> <span class="hl kwc">std</span><span class="hl opt">::</span>string name_<span class="hl opt">;</span> ControlType type_<span class="hl opt">;</span> <span class="hl opt">};</span> <span class="hl kwb">static</span> <span class="hl kwc">inline</span> <span class="hl kwb">bool</span> <span class="hl kwc">operator</span><span class="hl opt">==(</span><span class="hl kwb">unsigned int</span> lhs<span class="hl opt">,</span> <span class="hl kwb">const</span> ControlId <span class="hl opt">&</span>rhs<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> lhs <span class="hl opt">==</span> rhs<span class="hl opt">.</span><span class="hl kwd">id</span><span class="hl opt">();</span> <span class="hl opt">}</span> <span class="hl kwb">static</span> <span class="hl kwc">inline</span> <span class="hl kwb">bool</span> <span class="hl kwc">operator</span><span class="hl opt">!=(</span><span class="hl kwb">unsigned int</span> lhs<span class="hl opt">,</span> <span class="hl kwb">const</span> ControlId <span class="hl opt">&</span>rhs<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> <span class="hl opt">!(</span>lhs <span class="hl opt">==</span> rhs<span class="hl opt">);</span> <span class="hl opt">}</span> <span class="hl kwb">static</span> <span class="hl kwc">inline</span> <span class="hl kwb">bool</span> <span class="hl kwc">operator</span><span class="hl opt">==(</span><span class="hl kwb">const</span> ControlId <span class="hl opt">&</span>lhs<span class="hl opt">,</span> <span class="hl kwb">unsigned int</span> rhs<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> lhs<span class="hl opt">.</span><span class="hl kwd">id</span><span class="hl opt">() ==</span> rhs<span class="hl opt">;</span> <span class="hl opt">}</span> <span class="hl kwb">static</span> <span class="hl kwc">inline</span> <span class="hl kwb">bool</span> <span class="hl kwc">operator</span><span class="hl opt">!=(</span><span class="hl kwb">const</span> ControlId <span class="hl opt">&</span>lhs<span class="hl opt">,</span> <span class="hl kwb">unsigned int</span> rhs<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwa">return</span> <span class="hl opt">!(</span>lhs <span class="hl opt">==</span> rhs<span class="hl opt">);</span> <span class="hl opt">}</span> <span class="hl kwc">template</span><span class="hl opt"><</span>typename T<span class="hl opt">></span> <span class="hl kwc">class</span> Control <span class="hl opt">:</span> <span class="hl kwc">public</span> ControlId <span class="hl opt">{</span> <span class="hl kwc">public</span><span class="hl opt">:</span> <span class="hl kwa">using</span> type <span class="hl opt">=</span> T<span class="hl opt">;</span> <span class="hl kwd">Control</span><span class="hl opt">(</span><span class="hl kwb">unsigned int</span> id<span class="hl opt">,</span> <span class="hl kwb">const char</span> <span class="hl opt">*</span>name<span class="hl opt">)</span> <span class="hl opt">:</span> <span class="hl kwd">ControlId</span><span class="hl opt">(</span>id<span class="hl opt">,</span> name<span class="hl opt">,</span> <span class="hl kwc">details</span><span class="hl opt">::</span>control_type<span class="hl opt"><</span><span class="hl kwc">std</span><span class="hl opt">::</span>remove_cv_t<span class="hl opt"><</span>T<span class="hl opt">>>::</span>value<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl opt">}</span> <span class="hl kwc">private</span><span class="hl opt">:</span> <span class="hl kwd">LIBCAMERA_DISABLE_COPY_AND_MOVE</span><span class="hl opt">(</span>Control<span class="hl opt">)</span> <span class="hl opt">};</span> <span class="hl kwc">class</span> ControlInfo <span class="hl opt">{</span> <span class="hl kwc">public</span><span class="hl opt">:</span> <span class="hl kwc">explicit</span> <span class="hl kwd">ControlInfo</span><span class="hl opt">(</span><span class="hl kwb">const</span> ControlValue <span class="hl opt">&</span>min <span class="hl opt">= {},</span> <span class="hl kwb">const</span> ControlValue <span class="hl opt">&</span>max <span class="hl opt">= {},