30%/25% (fixed/float) faster mp3 decoding on Apple's A7. The floating point decoder is approximately 7% faster.
8f9fe6a aarch64: NEON fixed/floating point MPADSP apply_window
libavcodec/aarch64/Makefile | 2 +
libavcodec/aarch64/mpegaudiodsp_init.c | 39 ++++++
libavcodec/aarch64/mpegaudiodsp_neon.S | 226 ++++++++++++++++++++++++++++++++
libavcodec/mpegaudiodsp.c | 1 +
libavcodec/mpegaudiodsp.h | 1 +
5 files changed, 269 insertions(+)
Upstream: git.libav.org