Commit Graph

8 Commits

Author SHA1 Message Date
Nedeljko Babic
18d7074b4e libavcodec: Implementation of 32 bit fixed point FFT
Iterative implementation of 32 bit fixed point split-radix FFT.
Max FFT that can be calculated currently is 2^12.

Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-08-04 14:01:41 +02:00
Bojan Zivkovic
e54eb8db9c mips: Optimization of AAC psychoacoustic model functions
Signed-off-by: Bojan Zivkovic <bojan@mips.com>
Reviewed-by: Nedeljko Babic <Nedeljko.Babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-23 16:19:38 +01:00
Bojan Zivkovic
7d29c6eebc mips: Optimization of IIR filter function
Signed-off-by: Bojan Zivkovic <bojan@mips.com>
Reviewed-by: Nedeljko Babic <Nedeljko.Babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-20 12:44:32 +01:00
Bojan Zivkovic
26f3924d78 mips: Optimization of AAC coefficients encoder functions
Signed-off-by: Bojan Zivkovic <bojan@mips.com>
Reviewed-by: Nedeljko Babic <Nedeljko.Babic@imgtec.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2013-03-20 12:34:37 +01:00
Bojan Zivkovic
a74ae4691a mips: Optimization of AC3 FP encoder and EAC3 FP decoder
Signed-off-by: Bojan Zivkovic <bojan@mips.com>
Reveiwed-by: Vitor Sessak <vitor1001@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-11-19 22:24:44 +01:00
Nedeljko Babic
b3fdfc8c4e Optimization of AC3 floating point decoder for MIPS
FFT in MIPS implementation is working iteratively instead
 of "recursively" calling functions for smaller FFT sizes.
Some of DSP and format convert utils functions are also optimized.

Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Reviewed-by: Vitor Sessak <vitor1001@gmail.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-09-05 20:09:56 +02:00
Nedeljko Babic
6f98e298cc mips: change list of files with MIPS copyright notice in mips.txt
Add files created for MP3 optimization that have MIPS copyright
 notice in them to list of files in mips.txt.

Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
2012-08-17 18:54:50 +02:00
Nedeljko Babic
597282efa7 doc: add documentation regarding MIPS optimizations
Add doc/mips.txt document with short explanation regarding targeted
platform for MIPS optimizations and regarding MIPS copyright notice.

Signed-off-by: Nedeljko Babic <nbabic@mips.com>
Signed-off-by: Stefano Sabatini <stefasab@gmail.com>
2012-07-03 22:06:10 +02:00