Yunqing Wang 6c17c9fae0 Optimize 16x16 dequant and idct ... As suggested by Yaowu, simplified 16x16 dequant and idct. In decoder, after detoken step, we know the number of non-zero dct coefficients (eobs) in a macroblock. Idct calculation can be skipped or simplified based on eobs, which improves the decoder performance. Change-Id: I9ffa1cb134bcb5a7d64fcf90c81871a96d1b4018		2012-11-07 20:04:09 -08:00
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systemdependent.c	Optimize 16x16 dequant and idct	2012-11-07 20:04:09 -08:00