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Dylan M. Taylor
4e87f2b850
* H.264: bound decoder work from overlapping slices, gaps and queued output - A macroblock that an earlier slice of the same picture already decoded is refused, so overlapping slices cannot redo the picture's reconstruction once per slice. - The memory budget check counts pictures waiting in the output queue that have left the DPB (one decode call may carry many access units) and the DPB's actual size, counting shared buffers once. - frame_num gap concealment advances the POC state across the skipped run in constant time instead of once per missing frame_num. - Storing a reference picture evicts until the DPB is under capacity, rather than evicting one picture and inserting regardless. * address review: charge pictures already held at their own size in the decoder budget * address review: keep the h264 output-queue byte total incrementally