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Zoe Liu authored
This patch changes the encoder only for the ext-refs experiment. For each newly coded frame to refresh the LAST_FRAME, the decoder is notified that the LAST4_FRAME is to be refreshed, and read out the updated reference frame buffer vitural indexes for the next coded frame in a way that: LAST4_FRAME => LAST_FRAME, LAST_FRAME => LAST2_FRAME, LAST2_FRAME => LAST3_FRAME, and LAST3_FRAME => LAST4_FRAME. Compared against the original ext-refs experiment in TOT, a small gain is achieved in overall PSNR: lowres Avg: -0.154 lowres BDRate: -0.044 Change-Id: I648810c146a3cd915b408274a9373b7d38324864
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