/* SPDX-License-Identifier: GPL-2.0-or-later */ /* * Copyright (C) 2019, Google Inc. * * viewfinder.h - qcam - Viewfinder */ #ifndef __QCAM_VIEWFINDER_H__ #define __QCAM_VIEWFINDER_H__ #include <QLabel> #include "format_converter.h" class QImage; class ViewFinder : public QLabel { public: ViewFinder(QWidget *parent); int setFormat(unsigned int format, unsigned int width, unsigned int height); void display(const unsigned char *rgb, size_t size); private: unsigned int format_; unsigned int width_; unsigned int height_; FormatConverter converter_; QImage *image_; }; #endif /* __QCAM_VIEWFINDER__ */ '/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='d1ea82aff9f8eb96ebda88c5b07b232d213497c2'/><select name='h' onchange='this.form.submit();'> <option 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<libcamera/base/log.h></span> <span class="hl ppc">#include <libcamera/formats.h></span> <span class="hl ppc">#include <libcamera/pixel_format.h></span> <span class="hl ppc">#include</span> <span class="hl pps">"libcamera/internal/formats.h"</span><span class="hl ppc"></span> <span class="hl com">/**</span> <span class="hl com"> * \file v4l2_pixelformat.h</span> <span class="hl com"> * \brief V4L2 Pixel Format</span> <span class="hl com"> */</span> <span class="hl kwa">namespace</span> libcamera <span class="hl opt">{</span> <span class="hl kwd">LOG_DECLARE_CATEGORY</span><span class="hl opt">(</span>V4L2<span class="hl opt">)</span> <span class="hl com">/**</span> <span class="hl com"> * \class V4L2PixelFormat</span> <span class="hl com"> * \brief V4L2 pixel format FourCC wrapper</span> <span class="hl com"> *</span> <span class="hl com"> * The V4L2PixelFormat class describes the pixel format of a V4L2 buffer. It</span> <span class="hl com"> * wraps the V4L2 numerical FourCC, and shall be used in all APIs that deal with</span> <span class="hl com"> * V4L2 pixel formats. Its purpose is to prevent unintentional confusion of</span> <span class="hl com"> * V4L2 and DRM FourCCs in code by catching implicit conversion attempts at</span> <span class="hl com"> * compile time.</span> <span class="hl com"> *</span> <span class="hl com"> * To achieve this goal, construction of a V4L2PixelFormat from an integer value</span> <span class="hl com"> * is explicit. To retrieve the integer value of a V4L2PixelFormat, both the</span> <span class="hl com"> * explicit value() and implicit uint32_t conversion operators may be used.</span> <span class="hl com"> */</span> <span class="hl kwa">namespace</span> <span class="hl opt">{</span> <span class="hl kwb">const</span> <span class="hl kwc">std</span><span class="hl opt">::</span>map<span class="hl opt"><</span>V4L2PixelFormat<span class="hl opt">,</span> <span class="hl kwc">V4L2PixelFormat</span><span class="hl opt">::</span>Info<span class="hl opt">></span> vpf2pf<span class="hl opt">{</span> <span class="hl com">/* RGB formats. */</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_RGB565<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>RGB565<span class="hl opt">,</span> <span class="hl str">"16-bit RGB 5-6-5"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_RGB565X<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>RGB565_BE<span class="hl opt">,</span> <span class="hl str">"16-bit RGB 5-6-5 BE"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_RGB24<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>BGR888<span class="hl opt">,</span> <span class="hl str">"24-bit RGB 8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_BGR24<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>RGB888<span class="hl opt">,</span> <span class="hl str">"24-bit BGR 8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_XBGR32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>XRGB8888<span class="hl opt">,</span> <span class="hl str">"32-bit BGRX 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_XRGB32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>BGRX8888<span class="hl opt">,</span> <span class="hl str">"32-bit XRGB 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_RGBX32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>XBGR8888<span class="hl opt">,</span> <span class="hl str">"32-bit RGBX 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_BGRX32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>RGBX8888<span class="hl opt">,</span> <span class="hl str">"32-bit XBGR 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_RGBA32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>ABGR8888<span class="hl opt">,</span> <span class="hl str">"32-bit RGBA 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_ABGR32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>ARGB8888<span class="hl opt">,</span> <span class="hl str">"32-bit BGRA 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_ARGB32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>BGRA8888<span class="hl opt">,</span> <span class="hl str">"32-bit ARGB 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_BGRA32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>RGBA8888<span class="hl opt">,</span> <span class="hl str">"32-bit ABGR 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl com">/* YUV packed formats. */</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUYV<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YUYV<span class="hl opt">,</span> <span class="hl str">"YUYV 4:2:2"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YVYU<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YVYU<span class="hl opt">,</span> <span class="hl str">"YVYU 4:2:2"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_UYVY<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>UYVY<span class="hl opt">,</span> <span class="hl str">"UYVY 4:2:2"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_VYUY<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>VYUY<span class="hl opt">,</span> <span class="hl str">"VYUY 4:2:2"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUVA32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>AVUY8888<span class="hl opt">,</span> <span class="hl str">"32-bit YUVA 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUVX32<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>XVUY8888<span class="hl opt">,</span> <span class="hl str">"32-bit YUVX 8-8-8-8"</span> <span class="hl opt">} },</span> <span class="hl com">/* YUV planar formats. */</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV16<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV16<span class="hl opt">,</span> <span class="hl str">"Y/CbCr 4:2:2"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV16M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV16<span class="hl opt">,</span> <span class="hl str">"Y/CbCr 4:2:2 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV61<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV61<span class="hl opt">,</span> <span class="hl str">"Y/CrCb 4:2:2"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV61M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV61<span class="hl opt">,</span> <span class="hl str">"Y/CrCb 4:2:2 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV12<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV12<span class="hl opt">,</span> <span class="hl str">"Y/CbCr 4:2:0"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV12M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV12<span class="hl opt">,</span> <span class="hl str">"Y/CbCr 4:2:0 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV21<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV21<span class="hl opt">,</span> <span class="hl str">"Y/CrCb 4:2:0"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV21M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV21<span class="hl opt">,</span> <span class="hl str">"Y/CrCb 4:2:0 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV24<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV24<span class="hl opt">,</span> <span class="hl str">"Y/CbCr 4:4:4"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_NV42<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>NV42<span class="hl opt">,</span> <span class="hl str">"Y/CrCb 4:4:4"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUV420<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YUV420<span class="hl opt">,</span> <span class="hl str">"Planar YUV 4:2:0"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUV420M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YUV420<span class="hl opt">,</span> <span class="hl str">"Planar YUV 4:2:0 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YVU420<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YVU420<span class="hl opt">,</span> <span class="hl str">"Planar YVU 4:2:0"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YVU420M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YVU420<span class="hl opt">,</span> <span class="hl str">"Planar YVU 4:2:0 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUV422P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YUV422<span class="hl opt">,</span> <span class="hl str">"Planar YUV 4:2:2"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUV422M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YUV422<span class="hl opt">,</span> <span class="hl str">"Planar YUV 4:2:2 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YVU422M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YVU422<span class="hl opt">,</span> <span class="hl str">"Planar YVU 4:2:2 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUV444M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YUV444<span class="hl opt">,</span> <span class="hl str">"Planar YUV 4:4:4 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_YUV444M<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>YVU444<span class="hl opt">,</span> <span class="hl str">"Planar YVU 4:4:4 (N-C)"</span> <span class="hl opt">} },</span> <span class="hl com">/* Greyscale formats. */</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_GREY<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>R8<span class="hl opt">,</span> <span class="hl str">"8-bit Greyscale"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_Y10<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>R10<span class="hl opt">,</span> <span class="hl str">"10-bit Greyscale"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_Y10P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>R10_CSI2P<span class="hl opt">,</span> <span class="hl str">"10-bit Greyscale Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_Y12<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>R12<span class="hl opt">,</span> <span class="hl str">"12-bit Greyscale"</span> <span class="hl opt">} },</span> <span class="hl com">/* Bayer formats. */</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SBGGR8<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SBGGR8<span class="hl opt">,</span> <span class="hl str">"8-bit Bayer BGBG/GRGR"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGBRG8<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGBRG8<span class="hl opt">,</span> <span class="hl str">"8-bit Bayer GBGB/RGRG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGRBG8<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGRBG8<span class="hl opt">,</span> <span class="hl str">"8-bit Bayer GRGR/BGBG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SRGGB8<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SRGGB8<span class="hl opt">,</span> <span class="hl str">"8-bit Bayer RGRG/GBGB"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SBGGR10<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SBGGR10<span class="hl opt">,</span> <span class="hl str">"10-bit Bayer BGBG/GRGR"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGBRG10<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGBRG10<span class="hl opt">,</span> <span class="hl str">"10-bit Bayer GBGB/RGRG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGRBG10<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGRBG10<span class="hl opt">,</span> <span class="hl str">"10-bit Bayer GRGR/BGBG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SRGGB10<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SRGGB10<span class="hl opt">,</span> <span class="hl str">"10-bit Bayer RGRG/GBGB"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SBGGR10P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SBGGR10_CSI2P<span class="hl opt">,</span> <span class="hl str">"10-bit Bayer BGBG/GRGR Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGBRG10P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGBRG10_CSI2P<span class="hl opt">,</span> <span class="hl str">"10-bit Bayer GBGB/RGRG Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGRBG10P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGRBG10_CSI2P<span class="hl opt">,</span> <span class="hl str">"10-bit Bayer GRGR/BGBG Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SRGGB10P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SRGGB10_CSI2P<span class="hl opt">,</span> <span class="hl str">"10-bit Bayer RGRG/GBGB Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SBGGR12<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SBGGR12<span class="hl opt">,</span> <span class="hl str">"12-bit Bayer BGBG/GRGR"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGBRG12<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGBRG12<span class="hl opt">,</span> <span class="hl str">"12-bit Bayer GBGB/RGRG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGRBG12<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGRBG12<span class="hl opt">,</span> <span class="hl str">"12-bit Bayer GRGR/BGBG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SRGGB12<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SRGGB12<span class="hl opt">,</span> <span class="hl str">"12-bit Bayer RGRG/GBGB"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SBGGR12P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SBGGR12_CSI2P<span class="hl opt">,</span> <span class="hl str">"12-bit Bayer BGBG/GRGR Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGBRG12P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGBRG12_CSI2P<span class="hl opt">,</span> <span class="hl str">"12-bit Bayer GBGB/RGRG Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGRBG12P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGRBG12_CSI2P<span class="hl opt">,</span> <span class="hl str">"12-bit Bayer GRGR/BGBG Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SRGGB12P<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SRGGB12_CSI2P<span class="hl opt">,</span> <span class="hl str">"12-bit Bayer RGRG/GBGB Packed"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SBGGR16<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SBGGR16<span class="hl opt">,</span> <span class="hl str">"16-bit Bayer BGBG/GRGR"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGBRG16<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGBRG16<span class="hl opt">,</span> <span class="hl str">"16-bit Bayer GBGB/RGRG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SGRBG16<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SGRBG16<span class="hl opt">,</span> <span class="hl str">"16-bit Bayer GRGR/BGBG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_SRGGB16<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>SRGGB16<span class="hl opt">,</span> <span class="hl str">"16-bit Bayer RGRG/GBGB"</span> <span class="hl opt">} },</span> <span class="hl com">/* Compressed formats. */</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_MJPEG<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>MJPEG<span class="hl opt">,</span> <span class="hl str">"Motion-JPEG"</span> <span class="hl opt">} },</span> <span class="hl opt">{</span> <span class="hl kwd">V4L2PixelFormat</span><span class="hl opt">(</span>V4L2_PIX_FMT_JPEG<span class="hl opt">),</span> <span class="hl opt">{</span> <span class="hl kwc">formats</span><span class="hl opt">::</span>MJPEG<span class="hl opt">,</span> <span class="hl str">"JPEG JFIF"</span> <span class="hl opt">} },</span> <span class="hl opt">};</span> <span class="hl opt">}</span> <span class="hl com">/* namespace */</span> <span class="hl com">/**</span> <span class="hl com"> * \struct V4L2PixelFormat::Info</span> <span class="hl com"> * \brief Information about a V4L2 pixel format</span> <span class="hl com"> *</span> <span class="hl com"> * \var V4L2PixelFormat::Info::format</span> <span class="hl com"> * \brief The corresponding libcamera PixelFormat</span> <span class="hl com"> *</span> <span class="hl com"> * \sa PixelFormat</span> <span class="hl com"> *</span> <span class="hl com"> * \var V4L2PixelFormat::Info::description</span> <span class="hl com"> * \brief The human-readable description of the V4L2 pixel format</span> <span class="hl com"> */</span> <span class="hl com">/**</span> <span class="hl com"> * \fn V4L2PixelFormat::V4L2PixelFormat()</span> <span class="hl com"> * \brief Construct a V4L2PixelFormat with an invalid format</span> <span class="hl com"> *</span> <span class="hl com"> * V4L2PixelFormat instances constructed with the default constructor are</span> <span class="hl com"> * invalid, calling the isValid() function returns false.</span> <span class="hl com"> */</span> <span class="hl com">/**</span> <span class="hl com"> * \fn V4L2PixelFormat::V4L2PixelFormat(uint32_t fourcc)</span> <span class="hl com"> * \brief Construct a V4L2PixelFormat from a FourCC value</span> <span class="hl com"> * \param[in] fourcc The pixel format FourCC numerical value</span> <span class="hl com"> */</span> <span class="hl com">/**</span> <span class="hl com"> * \fn bool V4L2PixelFormat::isValid() const</span> <span class="hl com"> * \brief Check if the pixel format is valid</span> <span class="hl com"> *</span> <span class="hl com"> * V4L2PixelFormat instances constructed with the default constructor are</span> <span class="hl com"> * invalid. Instances constructed with a FourCC defined in the V4L2 API are</span> <span class="hl com"> * valid. The behaviour is undefined otherwise.</span> <span class="hl com"> *</span> <span class="hl com"> * \return True if the pixel format is valid, false otherwise</span> <span class="hl com"> */</span> <span class="hl com">/**</span> <span class="hl com"> * \fn uint32_t V4L2PixelFormat::fourcc() const</span> <span class="hl com"> * \brief Retrieve the pixel format FourCC numerical value</span> <span class="hl com"> * \return The pixel format FourCC numerical value</span> <span class="hl com"> */</span> <span class="hl com">/**</span> <span class="hl com"> * \fn V4L2PixelFormat::operator uint32_t() const</span> <span class="hl com"> * \brief Convert to the pixel format FourCC numerical value</span> <span class="hl com"> * \return The pixel format FourCC numerical value</span> <span class="hl com"> */</span> <span class="hl com">/**</span> <span class="hl com"> * \brief Assemble and return a string describing the pixel format</span> <span class="hl com"> * \return A string describing the pixel format</span> <span class="hl com"> */</span> <span class="hl kwc">std</span><span class="hl opt">::</span>string <span class="hl kwc">V4L2PixelFormat</span><span class="hl opt">::</span><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 kwa">if</span> <span class="hl opt">(</span>fourcc_ <span class="hl opt">==</span> <span class="hl num">0</span><span class="hl opt">)</span> <span class="hl kwa">return</span> <span class="hl str">"<INVALID>"</span><span class="hl opt">;</span> <span class="hl kwb">char</span> ss<span class="hl opt">[</span><span class="hl num">8</span><span class="hl opt">] = {</span> <span class="hl kwa">static_cast</span><span class="hl opt"><</span><span class="hl kwb">char</span><span class="hl opt">>(</span>fourcc_ <span class="hl opt">&</span> <span class="hl num">0x7f</span><span class="hl opt">),</span> <span class="hl kwa">static_cast</span><span class="hl opt"><</span><span class="hl kwb">char</span><span class="hl opt">>((</span>fourcc_ <span class="hl opt">>></span> <span class="hl num">8</span><span class="hl opt">) &</span> <span class="hl num">0x7f</span><span class="hl opt">),</span> <span class="hl kwa">static_cast</span><span class="hl opt"><</span><span class="hl kwb">char</span><span class="hl opt">>((</span>fourcc_ <span class="hl opt">>></span> <span class="hl num">16</span><span class="hl opt">) &</span> <span class="hl num">0x7f</span><span class="hl opt">),</span> <span class="hl kwa">static_cast</span><span class="hl opt"><</span><span class="hl kwb">char</span><span class="hl opt">>((</span>fourcc_ <span class="hl opt">>></span> <span class="hl num">24</span><span class="hl opt">) &</span> <span class="hl num">0x7f</span><span class="hl opt">) };</span> <span class="hl kwa">for</span> <span class="hl opt">(</span><span class="hl kwb">unsigned int</span> i <span class="hl opt">=</span> <span class="hl num">0</span><span class="hl opt">;</span> i <span class="hl opt"><</span> <span class="hl num">4</span><span class="hl opt">;</span> i<span class="hl opt">++) {</span> <span class="hl kwa">if</span> <span class="hl opt">(!</span><span class="hl kwd">isprint</span><span class="hl opt">(</span>ss<span class="hl opt">[</span>i<span class="hl opt">]))</span> ss<span class="hl opt">[</span>i<span class="hl opt">] =</span> <span class="hl str">'.'</span><span class="hl opt">;</span> <span class="hl opt">}</span> <span class="hl kwa">if</span> <span class="hl opt">(</span>fourcc_ <span class="hl opt">& (</span><span class="hl num">1</span> <span class="hl opt"><<</span> <span class="hl num">31</span><span class="hl opt">))</span> <span class="hl kwd">strcat</span><span class="hl opt">(</span>ss<span class="hl opt">,</span> <span class="hl str">"-BE"</span><span class="hl opt">);</span> <span class="hl kwa">return</span> ss<span class="hl opt">;</span> <span class="hl opt">}</span> <span class="hl com">/**</span> <span class="hl com"> * \brief Retrieve the V4L2 description for the format</span> <span class="hl com"> *</span> <span class="hl com"> * The description matches the value used by the kernel, as would be reported</span> <span class="hl com"> * by the VIDIOC_ENUM_FMT ioctl.</span> <span class="hl com"> *</span> <span class="hl com"> * \return The V4L2 description corresponding to the V4L2 format, or a</span> <span class="hl com"> * placeholder description if not found</span> <span class="hl com"> */</span> <span class="hl kwb">const char</span> <span class="hl opt">*</span><span class="hl kwc">V4L2PixelFormat</span><span class="hl opt">::</span><span class="hl kwd">description</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwb">const</span> <span class="hl kwc">auto</span> iter <span class="hl opt">=</span> vpf2pf<span class="hl opt">.</span><span class="hl kwd">find</span><span class="hl opt">(*</span><span class="hl kwa">this</span><span class="hl opt">);</span> <span class="hl kwa">if</span> <span class="hl opt">(</span>iter <span class="hl opt">==</span> vpf2pf<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">()) {</span> <span class="hl kwd">LOG</span><span class="hl opt">(</span>V4L2<span class="hl opt">,</span> Warning<span class="hl opt">)</span> <span class="hl opt"><<</span> <span class="hl str">"Unsupported V4L2 pixel format "</span> <span class="hl opt"><<</span> <span class="hl kwd">toString</span><span class="hl opt">();</span> <span class="hl kwa">return</span> <span class="hl str">"Unsupported format"</span><span class="hl opt">;</span> <span class="hl opt">}</span> <span class="hl kwa">return</span> iter<span class="hl opt">-></span>second<span class="hl opt">.</span>description<span class="hl opt">;</span> <span class="hl opt">}</span> <span class="hl com">/**</span> <span class="hl com"> * \brief Convert the V4L2 pixel format to the corresponding PixelFormat</span> <span class="hl com"> * \return The PixelFormat corresponding to the V4L2 pixel format</span> <span class="hl com"> */</span> PixelFormat <span class="hl kwc">V4L2PixelFormat</span><span class="hl opt">::</span><span class="hl kwd">toPixelFormat</span><span class="hl opt">()</span> <span class="hl kwb">const</span> <span class="hl opt">{</span> <span class="hl kwb">const</span> <span class="hl kwc">auto</span> iter <span class="hl opt">=</span> vpf2pf<span class="hl opt">.</span><span class="hl kwd">find</span><span class="hl opt">(*</span><span class="hl kwa">this</span><span class="hl opt">);</span> <span class="hl kwa">if</span> <span class="hl opt">(</span>iter <span class="hl opt">==</span> vpf2pf<span class="hl opt">.</span><span class="hl kwd">end</span><span class="hl opt">()) {</span> <span class="hl kwd">LOG</span><span class="hl opt">(</span>V4L2<span class="hl opt">,</span> Warning<span class="hl opt">)</span> <span class="hl opt"><<</span> <span class="hl str">"Unsupported V4L2 pixel format "</span> <span class="hl opt"><<</span> <span class="hl kwd">toString</span><span class="hl opt">();</span> <span class="hl kwa">return</span> <span class="hl kwd">PixelFormat</span><span class="hl opt">();</span> <span class="hl opt">}</span> <span class="hl kwa">return</span> iter<span class="hl opt">-></span>second<span class="hl opt">.</span>format<span class="hl opt">;</span> <span class="hl opt">}</span> <span class="hl com">/**</span> <span class="hl com"> * \brief Retrieve the list of V4L2PixelFormat associated with \a pixelFormat</span> <span class="hl com"> * \param[in] pixelFormat The PixelFormat to convert</span> <span class="hl com"> *</span> <span class="hl com"> * Multiple V4L2 formats may exist for one PixelFormat as V4L2 defines separate</span> <span class="hl com"> * 4CCs for contiguous and non-contiguous versions of the same image format.</span> <span class="hl com"> *</span> <span class="hl com"> * \return The list of V4L2PixelFormat corresponding to \a pixelFormat</span> <span class="hl com"> */</span> <span class="hl kwb">const</span> <span class="hl kwc">std</span><span class="hl opt">::</span>vector<span class="hl opt"><</span>V4L2PixelFormat<span class="hl opt">> &</span> <span class="hl kwc">V4L2PixelFormat</span><span class="hl opt">::</span><span class="hl kwd">fromPixelFormat</span><span class="hl opt">(</span><span class="hl kwb">const</span> PixelFormat <span class="hl opt">&</span>pixelFormat<span class="hl opt">)</span> <span class="hl opt">{</span> <span class="hl kwb">static const</span> <span class="hl kwc">std</span><span class="hl opt">::</span>vector<span class="hl opt"><</span>V4L2PixelFormat<span class="hl opt">></span> empty<span class="hl opt">;</span> <span class="hl kwb">const</span> PixelFormatInfo <span class="hl opt">&</span>info <span class="hl opt">=</span> <span class="hl kwc">PixelFormatInfo</span><span class="hl opt">::</span><span class="hl kwd">info</span><span class="hl opt">(</span>pixelFormat<span class="hl opt">);</span> <span class="hl kwa">if</span> <span class="hl opt">(!</span>info<span class="hl opt">.</span><span class="hl kwd">isValid</span><span class="hl opt">())</span> <span class="hl kwa">return</span> empty<span class="hl opt">;</span> <span class="hl kwa">return</span> info<span class="hl opt">.</span>v4l2Formats<span class="hl opt">;</span> <span class="hl opt">}</span> <span class="hl com">/**</span> <span class="hl com"> * \brief Insert a text representation of a V4L2PixelFormat into an output</span> <span class="hl com"> * stream</span> <span class="hl com"> * \param[in] out The output stream</span> <span class="hl com"> * \param[in] f The V4L2PixelFormat</span> <span class="hl com"> * \return The output stream \a out</span> <span class="hl com"> */</span> <span class="hl kwc">std</span><span class="hl opt">::</span>ostream <span class="hl opt">&</span><span class="hl kwc">operator</span><span class="hl opt"><<(</span><span class="hl kwc">std</span><span class="hl opt">::</span>ostream <span class="hl opt">&</span>out<span class="hl opt">,</span> <span class="hl kwb">const</span> V4L2PixelFormat <span class="hl opt">&</span>f<span class="hl opt">)</span> <span class="hl opt">{</span> out <span class="hl opt"><<</span> f<span class="hl opt">.</span><span class="hl kwd">toString</span><span class="hl opt">();</span> <span class="hl kwa">return</span> out<span class="hl opt">;