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[34.81.211.199]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-7eaeabb9e6fsm4614282a12.66.2024.10.22.02.57.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 22 Oct 2024 02:57:44 -0700 (PDT) From: Harvey Yang To: libcamera-devel@lists.libcamera.org Cc: Yudhistira Erlandinata , Harvey Yang Subject: [PATCH v2 1/2] libcamera: Allow enumerating u32 control type Date: Tue, 22 Oct 2024 09:56:04 +0000 Message-ID: <20241022095737.4127210-2-chenghaoyang@chromium.org> X-Mailer: git-send-email 2.47.0.105.g07ac214952-goog In-Reply-To: <20241022095737.4127210-1-chenghaoyang@chromium.org> References: <20241022095737.4127210-1-chenghaoyang@chromium.org> MIME-Version: 1.0 X-BeenThere: libcamera-devel@lists.libcamera.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: libcamera-devel-bounces@lists.libcamera.org Sender: "libcamera-devel" From: Yudhistira Erlandinata Only allowing V4L2_CTRL_TYPE_U32 control type to be listed in the V4L2Device::controls_, so it can be used together with function V4L2Device::setExtControl. Like many other control types, this type is still not supported in the V4L2Device::getControls and V4L2Device::setControls. Signed-off-by: Yudhistira Erlandinata Co-developed-by: Harvey Yang Signed-off-by: Harvey Yang --- include/libcamera/controls.h | 7 +++++++ src/libcamera/controls.cpp | 12 ++++++++++-- src/libcamera/v4l2_device.cpp | 13 +++++++++++++ 3 files changed, 30 insertions(+), 2 deletions(-) diff --git a/include/libcamera/controls.h b/include/libcamera/controls.h index ca60bbaca..6da8ad2c3 100644 --- a/include/libcamera/controls.h +++ b/include/libcamera/controls.h @@ -29,6 +29,7 @@ enum ControlType { ControlTypeNone, ControlTypeBool, ControlTypeByte, + ControlTypeUnsigned32, ControlTypeInteger32, ControlTypeInteger64, ControlTypeFloat, @@ -62,6 +63,12 @@ struct control_type { static constexpr std::size_t size = 0; }; +template<> +struct control_type { + static constexpr ControlType value = ControlTypeUnsigned32; + static constexpr std::size_t size = 0; +}; + template<> struct control_type { static constexpr ControlType value = ControlTypeInteger32; diff --git a/src/libcamera/controls.cpp b/src/libcamera/controls.cpp index 62185d643..8ae295191 100644 --- a/src/libcamera/controls.cpp +++ b/src/libcamera/controls.cpp @@ -54,6 +54,7 @@ static constexpr size_t ControlValueSize[] = { [ControlTypeNone] = 0, [ControlTypeBool] = sizeof(bool), [ControlTypeByte] = sizeof(uint8_t), + [ControlTypeUnsigned32] = sizeof(uint32_t), [ControlTypeInteger32] = sizeof(int32_t), [ControlTypeInteger64] = sizeof(int64_t), [ControlTypeFloat] = sizeof(float), @@ -74,10 +75,12 @@ static constexpr size_t ControlValueSize[] = { * The control stores a boolean value * \var ControlTypeByte * The control stores a byte value as an unsigned 8-bit integer + * \var ControlTypeUnsigned32 + * The control stores an unsigned 32-bit integer value * \var ControlTypeInteger32 - * The control stores a 32-bit integer value + * The control stores a signed 32-bit integer value * \var ControlTypeInteger64 - * The control stores a 64-bit integer value + * The control stores a signed 64-bit integer value * \var ControlTypeFloat * The control stores a 32-bit floating point value * \var ControlTypeString @@ -230,6 +233,11 @@ std::string ControlValue::toString() const str += std::to_string(*value); break; } + case ControlTypeUnsigned32: { + const uint32_t *value = reinterpret_cast(data); + str += std::to_string(*value); + break; + } case ControlTypeInteger32: { const int32_t *value = reinterpret_cast(data); str += std::to_string(*value); diff --git a/src/libcamera/v4l2_device.cpp b/src/libcamera/v4l2_device.cpp index 68add4f2e..0ba8dcfa0 100644 --- a/src/libcamera/v4l2_device.cpp +++ b/src/libcamera/v4l2_device.cpp @@ -9,6 +9,7 @@ #include #include +#include #include #include #include @@ -17,11 +18,14 @@ #include #include +#include #include #include #include +#include + #include "libcamera/internal/formats.h" #include "libcamera/internal/sysfs.h" @@ -488,6 +492,9 @@ ControlType V4L2Device::v4l2CtrlType(uint32_t ctrlType) case V4L2_CTRL_TYPE_BOOLEAN: return ControlTypeBool; + case V4L2_CTRL_TYPE_U32: + return ControlTypeUnsigned32; + case V4L2_CTRL_TYPE_INTEGER: return ControlTypeInteger32; @@ -536,6 +543,11 @@ std::optional V4L2Device::v4l2ControlInfo(const v4l2_query_ext_ctrl static_cast(ctrl.maximum), static_cast(ctrl.default_value)); + case V4L2_CTRL_TYPE_U32: + return ControlInfo(static_cast(ctrl.minimum), + static_cast(ctrl.maximum), + static_cast(ctrl.default_value)); + case V4L2_CTRL_TYPE_BOOLEAN: return ControlInfo(static_cast(ctrl.minimum), static_cast(ctrl.maximum), @@ -622,6 +634,7 @@ void V4L2Device::listControls() case V4L2_CTRL_TYPE_BITMASK: case V4L2_CTRL_TYPE_INTEGER_MENU: case V4L2_CTRL_TYPE_U8: + case V4L2_CTRL_TYPE_U32: break; /* \todo Support other control types. */ default: