[FFmpeg-devel] [PATCH] Optimization of AC3 floating point decoder for MIPS

Vitor Sessak vitor1001 at gmail.com
Wed Sep 5 19:36:04 CEST 2012


On 09/04/2012 06:43 PM, Nedeljko Babic wrote:
> 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 at mips.com>
> ---
>   doc/mips.txt                      |    1 +
>   libavcodec/dsputil.c              |    1 +
>   libavcodec/dsputil.h              |    1 +
>   libavcodec/fft.c                  |    1 +
>   libavcodec/fft.h                  |    1 +
>   libavcodec/fmtconvert.c           |    1 +
>   libavcodec/fmtconvert.h           |    1 +
>   libavcodec/mips/Makefile          |    4 +
>   libavcodec/mips/dsputil_mips.c    |  164 ++++++++++++
>   libavcodec/mips/fft_init_table.c  |   67 +++++
>   libavcodec/mips/fft_mips.c        |  530 +++++++++++++++++++++++++++++++++++++
>   libavcodec/mips/fft_table.h       |   63 +++++
>   libavcodec/mips/fmtconvert_mips.c |  338 +++++++++++++++++++++++
>   13 files changed, 1173 insertions(+), 0 deletions(-)
>   create mode 100644 libavcodec/mips/dsputil_mips.c
>   create mode 100644 libavcodec/mips/fft_init_table.c
>   create mode 100644 libavcodec/mips/fft_mips.c
>   create mode 100644 libavcodec/mips/fft_table.h
>   create mode 100644 libavcodec/mips/fmtconvert_mips.c

Looks good to me.

-Vitor



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