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Yunqing Wang authored
This is the first modification of VP8 multi-thread decoder, which uses same threads to decode macroblocks and then do loopfiltering for each frame. Inspired by Rob Clark, synchronization was done on every 8 macroblocks instead of every macroblock to reduce lock contention. Comparing with the original code, this implementation gave about 15%- 20% performance gain while decoding my test clips on a Core2 Quad platform (Linux). The work is not done yet. Test on other platforms are needed. Change-Id: Ice9ddb0b511af1359b9f71e65066143c04fef3b5
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