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elwrclandClaude Opus 5
9cb5c4385b
The encoder ignored VkVideoReferenceSlotInfoKHR entirely: it took pReferenceSlots[0] as the one reference, wrote its address into frame store 0 and hardcoded the L0 list to that store. Two DPB slots were all it could honestly advertise, which is fewer than a GOP of any length needs. Record each slot the operation names under its own index, since a slot maps onto the frame store of the same index and MFX_PIPE_BUF_ADDR_STATE holds 16 of those, and build the L0 entries from StdVideoEncodeH264ReferenceListsInfo, whose RefPicList0 already carries slot indices. Clients that pass reference slots without a list keep the old behaviour. maxDpbSlots therefore goes to 16. maxActiveReferencePictures stays at 1: every macroblock is still coded against reference index 0, so a picture may be kept in the DPB but only the one it names first is predicted from. dEQP-VK.video.encode.h264.intra_refresh_* goes from 12 Pass and 32 stopped at the maxDpbSlots >= GOP frame count precondition to 36 Pass, the remaining 8 being per-picture-partition mode, which is not offered. The family as a whole is 76 of 120 with no failures. ffmpeg's h264_vulkan encoder no longer trips its slot_index assertion and produces a full GOP. Co-Authored-By: Claude Opus 5 <[email protected]>
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