generic-library/ffmpeg
1
0
Fork 0
Code Issues Pull Requests Releases Wiki Activity

x86: sbrdsp: implement SSE qmf_deint_neg

Browse Source 
From 133 (unrolled av_intfloat32 C) to 59 cycles on Arrandale/Win64.

Signed-off-by: Michael Niedermayer <michaelni@gmx.at>
This commit is contained in:
Christophe Gisquet
2012-12-07 18:26:30 +01:00
committed by Michael Niedermayer
parent 7a4424e5ed
commit d1310c591e
2 changed files with 25 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

3
libavcodec/x86/sbrdsp_init.c
View File

@@ -51,6 +51,8 @@ void ff_sbr_hf_apply_noise_3_sse2(float (*Y)[2], const float *s_m,
const float *q_filt, int noise,
int kx, int m_max);
void ff_sbr_qmf_deint_neg_sse(float *v, const float *src);
av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
{
int cpu_flags = av_get_cpu_flags();
@@ -63,6 +65,7 @@ av_cold void ff_sbrdsp_init_x86(SBRDSPContext *s)
s->hf_gen = ff_sbr_hf_gen_sse;
s->qmf_post_shuffle = ff_sbr_qmf_post_shuffle_sse;
s->qmf_deint_bfly = ff_sbr_qmf_deint_bfly_sse;
s->qmf_deint_neg = ff_sbr_qmf_deint_neg_sse;
}
if (EXTERNAL_SSE2(cpu_flags)) {