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| author | Nedeljko Babic <nbabic@mips.com> | 2013-06-03 16:11:12 +0200 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-08-04 14:01:41 +0200 |
| commit | 18d7074b4e5a1112cfa6a53dde0faa25d2bd0b15 (patch) | |
| tree | 0d23cbed3eb59d91ba5c734a7222a6ae02c72cba /libavcodec/fft-test.c | |
| parent | 27cc3e72f8502d6239dcd0f1dd3fe73f1c85355d (diff) | |
| download | ffmpeg-streaming-18d7074b4e5a1112cfa6a53dde0faa25d2bd0b15.zip ffmpeg-streaming-18d7074b4e5a1112cfa6a53dde0faa25d2bd0b15.tar.gz | |
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>
Diffstat (limited to 'libavcodec/fft-test.c')
| -rw-r--r-- | libavcodec/fft-test.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/libavcodec/fft-test.c b/libavcodec/fft-test.c index 66474ce..9831b2c 100644 --- a/libavcodec/fft-test.c +++ b/libavcodec/fft-test.c @@ -54,6 +54,10 @@ # define RANGE 1.0 # define REF_SCALE(x, bits) (x) # define FMT "%10.6f" +#elif CONFIG_FFT_FIXED_32 +# define RANGE 8388608 +# define REF_SCALE(x, bits) (x) +# define FMT "%6d" #else # define RANGE 16384 # define REF_SCALE(x, bits) ((x) / (1<<(bits))) |
