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| author | Michael Niedermayer <michaelni@gmx.at> | 2013-01-23 14:13:54 +0100 |
|---|---|---|
| committer | Michael Niedermayer <michaelni@gmx.at> | 2013-01-23 14:13:54 +0100 |
| commit | 24604ebaf85b5436d10da811f455dd710b353aca (patch) | |
| tree | 46988a19c56e7914715dc3852e6588fb887c6c77 /libavutil/float_dsp.c | |
| parent | 6e6e1708984e45881b9a5d4e26c3e7de852c54d5 (diff) | |
| parent | 5959bfaca396ecaf63a8123055f499688b79cae3 (diff) | |
| download | ffmpeg-24604ebaf85b5436d10da811f455dd710b353aca.tar.gz | |
Merge commit '5959bfaca396ecaf63a8123055f499688b79cae3'
* commit '5959bfaca396ecaf63a8123055f499688b79cae3':
floatdsp: move butterflies_float from dsputil to avfloatdsp.
Conflicts:
libavcodec/dsputil.c
libavcodec/dsputil.h
libavcodec/imc.c
libavcodec/mpegaudiodec.c
Merged-by: Michael Niedermayer <michaelni@gmx.at>
Diffstat (limited to 'libavutil/float_dsp.c')
| -rw-r--r-- | libavutil/float_dsp.c | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/libavutil/float_dsp.c b/libavutil/float_dsp.c index 810acfe26d..05688e4c3f 100644 --- a/libavutil/float_dsp.c +++ b/libavutil/float_dsp.c @@ -92,6 +92,18 @@ static void vector_fmul_reverse_c(float *dst, const float *src0, dst[i] = src0[i] * src1[-i]; } +static void butterflies_float_c(float *restrict v1, float *restrict v2, + int len) +{ + int i; + + for (i = 0; i < len; i++) { + float t = v1[i] - v2[i]; + v1[i] += v2[i]; + v2[i] = t; + } +} + void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact) { fdsp->vector_fmul = vector_fmul_c; @@ -101,6 +113,7 @@ void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact) fdsp->vector_fmul_window = vector_fmul_window_c; fdsp->vector_fmul_add = vector_fmul_add_c; fdsp->vector_fmul_reverse = vector_fmul_reverse_c; + fdsp->butterflies_float = butterflies_float_c; #if ARCH_ARM ff_float_dsp_init_arm(fdsp); |