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Revision a309dce7

IDa309dce75fb08f9c7b4a248afab97d5ac105b9b3
Parent 0b04ebb3
Child bfdd5bc1

Added by Loren Merritt over 13 years ago

encode_residual_fixed(): replace FIR with finite differences.
4x faster order 2, 3.5x order 3, 3x order 4.
overall flac encoding: 35% faster at compression_levels 0-2, no effect at higher levels.

Originally committed as revision 10624 to svn://svn.ffmpeg.org/ffmpeg/trunk

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