Fill the 120-byte SceVideodec2AvcPictureInfo for a single owned H.264
picture queried with thisSize 0x78: SPS fields, VUI, pic_struct from the
picture-timing SEI and per-unit presence flags, parsed per ITU-T H.264
(08/2021) from the access unit that produced the picture. Layout from
SharpProspero Videodec2.cs and shadPS4 videodec2.h. Other accepted
sizes, two records and unsupported syntax still throw after the
validity clears.
Co-Authored-By: Claude Opus 5.5 <[email protected]>
