diff options
Diffstat (limited to 'libavutil/float_dsp.c')
| -rw-r--r-- | libavutil/float_dsp.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/libavutil/float_dsp.c b/libavutil/float_dsp.c index 119fa650a3..810acfe26d 100644 --- a/libavutil/float_dsp.c +++ b/libavutil/float_dsp.c @@ -82,6 +82,16 @@ static void vector_fmul_add_c(float *dst, const float *src0, const float *src1, dst[i] = src0[i] * src1[i] + src2[i]; } +static void vector_fmul_reverse_c(float *dst, const float *src0, + const float *src1, int len) +{ + int i; + + src1 += len-1; + for (i = 0; i < len; i++) + dst[i] = src0[i] * src1[-i]; +} + void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact) { fdsp->vector_fmul = vector_fmul_c; @@ -90,6 +100,7 @@ void avpriv_float_dsp_init(AVFloatDSPContext *fdsp, int bit_exact) fdsp->vector_dmul_scalar = vector_dmul_scalar_c; fdsp->vector_fmul_window = vector_fmul_window_c; fdsp->vector_fmul_add = vector_fmul_add_c; + fdsp->vector_fmul_reverse = vector_fmul_reverse_c; #if ARCH_ARM ff_float_dsp_init_arm(fdsp); |