diff options
Diffstat (limited to 'src/ipa/raspberrypi/md_parser.hpp')
| -rw-r--r-- | src/ipa/raspberrypi/md_parser.hpp | 41 |
1 files changed, 24 insertions, 17 deletions
diff --git a/src/ipa/raspberrypi/md_parser.hpp b/src/ipa/raspberrypi/md_parser.hpp index 8497216f..e3e27385 100644 --- a/src/ipa/raspberrypi/md_parser.hpp +++ b/src/ipa/raspberrypi/md_parser.hpp @@ -6,6 +6,9 @@ */ #pragma once +#include <initializer_list> +#include <map> +#include <optional> #include <stdint.h> #include <libcamera/base/span.h> @@ -19,7 +22,7 @@ * application code doesn't have to worry which kind to instantiate. But for * the sake of example let's suppose we're parsing imx219 metadata. * - * MdParser *parser = new MdParserImx219(); // for example + * MdParser *parser = new MdParserSmia({ expHiReg, expLoReg, gainReg }); * parser->SetBitsPerPixel(bpp); * parser->SetLineLengthBytes(pitch); * parser->SetNumLines(2); @@ -32,13 +35,11 @@ * * Then on every frame: * - * if (parser->Parse(buffer) != MdParser::OK) + * RegisterMap registers; + * if (parser->Parse(buffer, registers) != MdParser::OK) * much badness; - * unsigned int exposure_lines, gain_code - * if (parser->GetExposureLines(exposure_lines) != MdParser::OK) - * exposure was not found; - * if (parser->GetGainCode(parser, gain_code) != MdParser::OK) - * gain code was not found; + * Metadata metadata; + * CamHelper::PopulateMetadata(registers, metadata); * * (Note that the CamHelper class converts to/from exposure lines and time, * and gain_code / actual gain.) @@ -59,6 +60,8 @@ namespace RPiController { class MdParser { public: + using RegisterMap = std::map<uint32_t, uint32_t>; + /* * Parser status codes: * OK - success @@ -98,9 +101,8 @@ public: line_length_bytes_ = num_bytes; } - virtual Status Parse(libcamera::Span<const uint8_t> buffer) = 0; - virtual Status GetExposureLines(unsigned int &lines) = 0; - virtual Status GetGainCode(unsigned int &gain_code) = 0; + virtual Status Parse(libcamera::Span<const uint8_t> buffer, + RegisterMap ®isters) = 0; protected: bool reset_; @@ -116,14 +118,18 @@ protected: * md_parser_imx219.cpp for an example). */ -class MdParserSmia : public MdParser +class MdParserSmia final : public MdParser { public: - MdParserSmia() : MdParser() - { - } + MdParserSmia(std::initializer_list<uint32_t> registerList); + + MdParser::Status Parse(libcamera::Span<const uint8_t> buffer, + RegisterMap ®isters) override; + +private: + /* Maps register address to offset in the buffer. */ + using OffsetMap = std::map<uint32_t, std::optional<uint32_t>>; -protected: /* * Note that error codes > 0 are regarded as non-fatal; codes < 0 * indicate a bad data buffer. Status codes are: @@ -141,8 +147,9 @@ protected: BAD_PADDING = -5 }; - ParseStatus findRegs(libcamera::Span<const uint8_t> buffer, uint32_t regs[], - int offsets[], unsigned int num_regs); + ParseStatus findRegs(libcamera::Span<const uint8_t> buffer); + + OffsetMap offsets_; }; } // namespace RPi |