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10-Dec-2010 |
Chia-chi Yeh <chiachi@android.com> |
libjpeg: Use the new fast-and-accurate IDCT method for ARMv6+ devices.
As another AA&N implementation, it runs 9-10% faster than jidctfst.S
and 11-15% faster than jidctfst.c. As another IDCT method, it runs
17-20% faster than JDCT_ISLOW method and provides the same accuracy
or even better.
Change-Id: I81783c310d6dac5aaf84c03a4cf20662f466564c
/external/jpeg/armv6_idct.S
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