feat(vdecsw): implement queued AVC decoding and picture metadata

core/libs/prx/libSceVdecsw/AvcMetadata.hpp

@@ -0,0 +1,55 @@
+#pragma once
+
+#include <cstddef>
+#include <cstdint>
+#include <memory>
+#include <optional>
+#include <span>
+
+namespace SceVdecsw {
+
+struct AvcPictureInfo {
+    std::uint64_t thisSize;
+    std::uint8_t isValid, reserved0[7];
+    std::uint64_t ptsData, dtsData, attachedData;
+    std::uint8_t idrPictureFlag, profileIdc, levelIdc, reserved1;
+    std::uint32_t picWidthInMbsMinus1, picHeightInMapUnitsMinus1;
+    std::uint8_t frameMbsOnlyFlag, frameCroppingFlag;
+    std::uint16_t reserved2;
+    std::uint32_t frameCropLeftOffset, frameCropRightOffset, frameCropTopOffset, frameCropBottomOffset;
+    std::uint8_t aspectRatioInfoPresentFlag, aspectRatioIdc;
+    std::uint16_t sarWidth, sarHeight;
+    std::uint8_t videoSignalTypePresentFlag, videoFormat, videoFullRangeFlag, colourDescriptionPresentFlag;
+    std::uint8_t colourPrimaries, transferCharacteristics, matrixCoefficients, timingInfoPresentFlag;
+    std::uint16_t reserved3;
+    std::uint32_t numUnitsInTick, timeScale;
+    std::uint8_t fixedFrameRateFlag, bitstreamRestrictionFlag, maxDecFrameBuffering, picStructPresentFlag;
+    std::uint8_t picStruct, fieldPicFlag, bottomFieldFlag, sequenceParameterSetPresentFlag;
+    std::uint8_t pictureParameterSetPresentFlag, auDelimiterPresentFlag, endOfSequencePresentFlag, endOfStreamPresentFlag;
+    std::uint8_t fillerDataPresentFlag, pictureTimingSeiPresentFlag, bufferingPeriodSeiPresentFlag;
+    std::uint8_t constraintSet0Flag, constraintSet1Flag, constraintSet2Flag, constraintSet3Flag, constraintSet4Flag, constraintSet5Flag;
+    std::uint8_t reserved4[3];
+};
+
+static_assert(sizeof(AvcPictureInfo) == 0x78);
+static_assert(offsetof(AvcPictureInfo, ptsData) == 0x10);
+static_assert(offsetof(AvcPictureInfo, picWidthInMbsMinus1) == 0x2c);
+static_assert(offsetof(AvcPictureInfo, numUnitsInTick) == 0x58);
+static_assert(offsetof(AvcPictureInfo, constraintSet5Flag) == 0x74);
+
+class AvcMetadataParser {
+public:
+    AvcMetadataParser();
+    ~AvcMetadataParser();
+    AvcMetadataParser(const AvcMetadataParser&) = delete;
+    AvcMetadataParser& operator=(const AvcMetadataParser&) = delete;
+    std::optional<AvcPictureInfo> ParseAccessUnit(std::span<const std::uint8_t> annexB, std::uint64_t pts,
+                                                std::uint64_t dts, std::uint64_t attached);
+    void Reset();
+
+private:
+    struct Impl;
+    std::unique_ptr<Impl> impl;
+};
+
+}

core/libs/prx/libSceVdecsw/CMakeLists.txt

@@ -0,0 +1,28 @@
+find_package(Threads REQUIRED)
+add_library(libSceVdecsw SHARED EXCLUDE_FROM_ALL Export.cpp AvcMetadata.cpp)
+target_include_directories(libSceVdecsw PRIVATE ${LIBS_INCLUDE_DIR})
+target_link_libraries(libSceVdecsw PRIVATE ffmpeg Threads::Threads)
+if(WIN32)
+    target_sources(libSceVdecsw PRIVATE Exports.def)
+elseif(CMAKE_SYSTEM_NAME STREQUAL "Linux")
+    target_link_options(libSceVdecsw PRIVATE "LINKER:--version-script=${CMAKE_CURRENT_SOURCE_DIR}/Exports.map")
+    set_property(TARGET libSceVdecsw APPEND PROPERTY LINK_DEPENDS ${CMAKE_CURRENT_SOURCE_DIR}/Exports.map)
+endif()
+configure_windows_unwind(libSceVdecsw)
+
+if(BUILD_TESTING)
+    add_test_executable(guest_avc_metadata_tests ${LIBS_INCLUDE_DIR}/tests/GuestAvcMetadata.cpp AvcMetadata.cpp)
+    target_include_directories(guest_avc_metadata_tests PRIVATE ${LIBS_INCLUDE_DIR})
+    target_link_libraries(guest_avc_metadata_tests PRIVATE libc)
+    configure_windows_unwind(guest_avc_metadata_tests)
+    add_test(NAME guest_avc_metadata COMMAND guest_avc_metadata_tests)
+    add_test_executable(guest_vdecsw_tests ${LIBS_INCLUDE_DIR}/tests/GuestVdecsw.cpp)
+    target_include_directories(guest_vdecsw_tests PRIVATE ${LIBS_INCLUDE_DIR})
+    target_link_libraries(guest_vdecsw_tests PRIVATE libSceVdecsw libc)
+    configure_windows_unwind(guest_vdecsw_tests)
+    add_test(NAME guest_vdecsw COMMAND guest_vdecsw_tests)
+    if(WIN32)
+        set_tests_properties(guest_vdecsw guest_avc_metadata PROPERTIES ENVIRONMENT_MODIFICATION
+            "PATH=path_list_prepend:$<TARGET_FILE_DIR:libSceVdecsw>")
+    endif()
+endif()