3mro777o
e036b873ee
Videodec2 now outputs 10-bit HEVC Main 10 frames, so the HEVC picture info takes bitDepthLumaMinus8 and bitDepthChromaMinus8 from the decoded frame instead of leaving them 0. The Main 10 stream moves to HevcFixture.hpp so the Vdecsw test can decode it.
2.4 KiB
libSceVdecsw technical debt
Unknown function info
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libSceVdecsw (libSceVdecsw) - structure layouts follow shadPS4's
vdecsw.hand were checked against PPSA05684's movie decoder (movie-decoder-vdecsw.cpp), which assertspictureCount == 1at offset 0xb ofOutputInfoand readsInputResultoffset 0x10 as the number of frames an access unit produced. The compute, decoder memory and decode input structures and the first 0x28 bytes of the 0x50-byte decoder config are those of libSceVideodec2, and decoding goes through it. The 0x78-byte AVC picture info is filled with Videodec2's leading fields and the cropping fields only. OUTPUT_PENDING (0x81510115), INPUT_QUEUE_EMPTY (0x81510116) and DECODE_PENDING (0x81510117) follow from the codes each call's assert accepts. At most four decoded pictures are queued and the last one is held untilsceVdecswFinalizeDecodeSequence; the console's queue depth is unknown.sceVdecswSyncDecodeInput/sceVdecswSyncDecodeOutputretry the TrySync variants until they stop returning DECODE_PENDING / OUTPUT_PENDING; they do not sleep beyond a yield, so another thread must drain outputs when the picture queue is full. The 0xb8-byte HEVC picture info (shadPS4'svdecsw.h) carries only the timestamps, coded size, bit depth, IDR and IRAP flags, profile, level and conformance window (in chroma samples, repeated in the frame cropping fields, whose console unit is unknown) -
sceVdecswGetVp9PictureInfo (libSceVdecsw) - no console behaviour is recorded; the signature and 0x58-byte layout come from SharpProspero's Vdecsw.cs, and shadPS4 has no VP9 getter. It copies the leading
thisSize - 8bytes of the picture's info, as shadPS4'ssceVdecswGetPictureInfodoes for AVC and HEVC, from Videodec2's VP9 info (levelis 0 there). An output with no picture returns 0 and writes nothing. Null pointers,thisSizebelow 8, two pictures and a frame buffer no VP9 decoder returned (an H.264 picture too) throw; console error codes are unknown. VP9 decoding goes through Videodec2 and rejects pictures deeper than 10 bits