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Zoe Liu authored
One bit is added to the frame header, to signal whether the references for inter frames will be short-signaled. When the bit is set, only 6 bits are used at the frame header level to signal the choices of LAST_FRAME and GOLDEN_FRAME out of the eight buffered references. All the other 5 references will be specified using the frame offset info. Hence, compared to the baseline, the use of frame_refs_signaling provides 2 scenarios: (1) Reference short-signaling: 3*7 - (1+3*2) = 14 bits are saved in the frame header; (2) Reference regular-signaling: 1 bit is added to the frame header. BUG=aomedia:1392 Change-Id: I2d4ff0e367a4df107235c1e7066dd28cb2c60431
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