libcamera: v4l2_pixelformat: Add V4L2 description strings
Add V4L2 description strings to the map of V4L2 formats. To achieve this, create an Info struct to wrap them. Update the one current user of the old map. This will be used later in the V4L2 compatibility layer to report the V4L2 format description. Signed-off-by: Paul Elder <paul.elder@ideasonboard.com> Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com> Reviewed-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
This commit is contained in:
Paul Elder
@@ -20,6 +20,11 @@ namespace libcamera {
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class V4L2PixelFormat
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{
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public:
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struct Info {
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PixelFormat format;
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const char *description;
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};
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V4L2PixelFormat()
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: fourcc_(0)
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{
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@@ -45,77 +45,145 @@ LOG_DECLARE_CATEGORY(V4L2)
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namespace {
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const std::map<V4L2PixelFormat, PixelFormat> vpf2pf{
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const std::map<V4L2PixelFormat, V4L2PixelFormat::Info> vpf2pf{
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/* RGB formats. */
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGB565), formats::RGB565 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGB565X), formats::RGB565_BE },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGB24), formats::BGR888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_BGR24), formats::RGB888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_XBGR32), formats::XRGB8888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_XRGB32), formats::BGRX8888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGBX32), formats::XBGR8888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGBA32), formats::ABGR8888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_ABGR32), formats::ARGB8888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_ARGB32), formats::BGRA8888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_BGRA32), formats::RGBA8888 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGB565),
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{ formats::RGB565, "16-bit RGB 5-6-5" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGB565X),
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{ formats::RGB565_BE, "16-bit RGB 5-6-5 BE" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGB24),
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{ formats::BGR888, "24-bit RGB 8-8-8" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_BGR24),
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{ formats::RGB888, "24-bit BGR 8-8-8" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_XBGR32),
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{ formats::XRGB8888, "32-bit BGRX 8-8-8-8" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_XRGB32),
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{ formats::BGRX8888, "32-bit XRGB 8-8-8-8" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGBX32),
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{ formats::XBGR8888, "32-bit RGBX 8-8-8-8" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_RGBA32),
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{ formats::ABGR8888, "32-bit RGBA 8-8-8-8" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_ABGR32),
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{ formats::ARGB8888, "32-bit BGRA 8-8-8-8" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_ARGB32),
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{ formats::BGRA8888, "32-bit ARGB 8-8-8-8" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_BGRA32),
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{ formats::RGBA8888, "32-bit ABGR 8-8-8-8" } },
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/* YUV packed formats. */
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUYV), formats::YUYV },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YVYU), formats::YVYU },
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{ V4L2PixelFormat(V4L2_PIX_FMT_UYVY), formats::UYVY },
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{ V4L2PixelFormat(V4L2_PIX_FMT_VYUY), formats::VYUY },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUYV),
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{ formats::YUYV, "YUYV 4:2:2" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YVYU),
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{ formats::YVYU, "YVYU 4:2:2" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_UYVY),
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{ formats::UYVY, "UYVY 4:2:2" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_VYUY),
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{ formats::VYUY, "VYUY 4:2:2" } },
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/* YUV planar formats. */
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV16), formats::NV16 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV16M), formats::NV16 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV61), formats::NV61 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV61M), formats::NV61 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV12), formats::NV12 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV12M), formats::NV12 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV21), formats::NV21 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV21M), formats::NV21 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUV420), formats::YUV420 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUV420M), formats::YUV420 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YVU420), formats::YVU420 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YVU420M), formats::YVU420 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUV422P), formats::YUV422 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUV422M), formats::YUV422 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV16),
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{ formats::NV16, "Y/CbCr 4:2:2" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV16M),
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{ formats::NV16, "Y/CbCr 4:2:2 (N-C)" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV61),
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{ formats::NV61, "Y/CrCb 4:2:2" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV61M),
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{ formats::NV61, "Y/CrCb 4:2:2 (N-C)" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV12),
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{ formats::NV12, "Y/CbCr 4:2:0" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV12M),
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{ formats::NV12, "Y/CbCr 4:2:0 (N-C)" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV21),
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{ formats::NV21, "Y/CrCb 4:2:0" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_NV21M),
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{ formats::NV21, "Y/CrCb 4:2:0 (N-C)" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUV420),
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{ formats::YUV420, "Planar YUV 4:2:0" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUV420M),
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{ formats::YUV420, "Planar YUV 4:2:0 (N-C)" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YVU420),
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{ formats::YVU420, "Planar YVU 4:2:0" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YVU420M),
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{ formats::YVU420, "Planar YVU 4:2:0 (N-C)" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUV422P),
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{ formats::YUV422, "Planar YUV 4:2:2" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_YUV422M),
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{ formats::YUV422, "Planar YUV 4:2:2 (N-C)" } },
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/* Greyscale formats. */
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{ V4L2PixelFormat(V4L2_PIX_FMT_GREY), formats::R8 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_GREY),
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{ formats::R8, "8-bit Greyscale" } },
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/* Bayer formats. */
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR8), formats::SBGGR8 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG8), formats::SGBRG8 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG8), formats::SGRBG8 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB8), formats::SRGGB8 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR10), formats::SBGGR10 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG10), formats::SGBRG10 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG10), formats::SGRBG10 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB10), formats::SRGGB10 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR10P), formats::SBGGR10_CSI2P },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG10P), formats::SGBRG10_CSI2P },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG10P), formats::SGRBG10_CSI2P },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB10P), formats::SRGGB10_CSI2P },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR12), formats::SBGGR12 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG12), formats::SGBRG12 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG12), formats::SGRBG12 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB12), formats::SRGGB12 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR12P), formats::SBGGR12_CSI2P },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG12P), formats::SGBRG12_CSI2P },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG12P), formats::SGRBG12_CSI2P },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB12P), formats::SRGGB12_CSI2P },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR16), formats::SBGGR16 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG16), formats::SGBRG16 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG16), formats::SGRBG16 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB16), formats::SRGGB16 },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR8),
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{ formats::SBGGR8, "8-bit Bayer BGBG/GRGR" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG8),
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{ formats::SGBRG8, "8-bit Bayer GBGB/RGRG" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG8),
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{ formats::SGRBG8, "8-bit Bayer GRGR/BGBG" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB8),
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{ formats::SRGGB8, "8-bit Bayer RGRG/GBGB" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR10),
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{ formats::SBGGR10, "10-bit Bayer BGBG/GRGR" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG10),
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{ formats::SGBRG10, "10-bit Bayer GBGB/RGRG" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG10),
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{ formats::SGRBG10, "10-bit Bayer GRGR/BGBG" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB10),
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{ formats::SRGGB10, "10-bit Bayer RGRG/GBGB" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR10P),
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{ formats::SBGGR10_CSI2P, "10-bit Bayer BGBG/GRGR Packed" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG10P),
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{ formats::SGBRG10_CSI2P, "10-bit Bayer GBGB/RGRG Packed" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG10P),
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{ formats::SGRBG10_CSI2P, "10-bit Bayer GRGR/BGBG Packed" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB10P),
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{ formats::SRGGB10_CSI2P, "10-bit Bayer RGRG/GBGB Packed" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR12),
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{ formats::SBGGR12, "12-bit Bayer BGBG/GRGR" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG12),
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{ formats::SGBRG12, "12-bit Bayer GBGB/RGRG" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG12),
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{ formats::SGRBG12, "12-bit Bayer GRGR/BGBG" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB12),
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{ formats::SRGGB12, "12-bit Bayer RGRG/GBGB" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR12P),
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{ formats::SBGGR12_CSI2P, "12-bit Bayer BGBG/GRGR Packed" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG12P),
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{ formats::SGBRG12_CSI2P, "12-bit Bayer GBGB/RGRG Packed" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG12P),
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{ formats::SGRBG12_CSI2P, "12-bit Bayer GRGR/BGBG Packed" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB12P),
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{ formats::SRGGB12_CSI2P, "12-bit Bayer RGRG/GBGB Packed" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SBGGR16),
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{ formats::SBGGR16, "16-bit Bayer BGBG/GRGR" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGBRG16),
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{ formats::SGBRG16, "16-bit Bayer GBGB/RGRG" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SGRBG16),
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{ formats::SGRBG16, "16-bit Bayer GRGR/BGBG" } },
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{ V4L2PixelFormat(V4L2_PIX_FMT_SRGGB16),
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{ formats::SRGGB16, "16-bit Bayer RGRG/GBGB" } },
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/* Compressed formats. */
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{ V4L2PixelFormat(V4L2_PIX_FMT_MJPEG), formats::MJPEG },
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{ V4L2PixelFormat(V4L2_PIX_FMT_MJPEG),
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{ formats::MJPEG, "Motion-JPEG" } },
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};
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} /* namespace */
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/**
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* \struct V4L2PixelFormat::Info
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* \brief Information about a V4L2 pixel format
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*
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* \var V4L2PixelFormat::Info::format
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* \brief The corresponding libcamera PixelFormat
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*
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* \sa PixelFormat
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*
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* \var V4L2PixelFormat::Info::description
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* \brief The human-readable description of the V4L2 pixel format
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*/
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/**
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* \fn V4L2PixelFormat::V4L2PixelFormat()
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* \brief Construct a V4L2PixelFormat with an invalid format
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@@ -192,7 +260,7 @@ PixelFormat V4L2PixelFormat::toPixelFormat() const
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return PixelFormat();
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}
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return iter->second;
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return iter->second.format;
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}
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/**
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