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2.4 KiB
2.4 KiB
libSceVdecCore technical debt
Unknown function info
- Additional libSceVdecCore exports - the name/NID pairs below are defined exports in the firmware 13.60 inventory. Their ABIs and behaviour are unknown. Parameterless
intdeclarations are import-resolution placeholders, not established signatures; every call throwsNotImplemented_nid_no_patch.
| Name | NID |
|---|---|
sceVdecCoreQueryMemorySizeSvp |
uAsJCITzX5k |
- sceVdecCoreAnalyzeStream, sceVdecCoreFinalizeComputeResource, sceVdecCoreFlushDecodeOutput, sceVdecCoreGetDecodeOutput, sceVdecCoreInitializeComputeResource, sceVdecCoreResetDecoder, sceVdecCoreSetDecodeInput, sceVdecCoreSetDecodeOutputSw, sceVdecCoreSyncDecode, sceVdecCoreSyncDecodeOutputSw, sceVdecCoreSyncDecodeWptr, sceVdecCoreTrySyncDecode, sceVdecCoreTrySyncDecodeOutputSw and sceVdecCoreTrySyncDecodeWptr (libSceVdecCore) - names and NIDs are present in the PS5 3.20 export inventory, but no credible prototypes were found. The declarations have no parameters solely to resolve known imports; this is not an ABI claim and callers must not call them until signatures are verified
Functional
- sceVdecCoreQueryInstanceSize, sceVdecCoreQueryFrameBufferInfo, sceVdecCoreQueryComputeResourceInfo, sceVdecCoreCreateDecoder, sceVdecCoreDeleteDecoder and sceVdecCoreMapMemoryBlock (libSceVdecCore) - console behaviour is unmeasured. The signatures, error codes, 1920x1080 and 16-frame defaults and slot cutting follow shadPS4's
vdeccore.cpp, and the sizes are shadPS4's constants, not console values: instance 0x40000, compute 0x10000, and a frame buffer of NV12 plus 0x1000 rounded to 64 KiB. CreateDecoder opens an FFmpeg H.264 or HEVC context but starts no decode thread; the memory info and compute queue are ignored, and a handle CreateDecoder did not return, or a codec that is unavailable or fails to open, throws