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| author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-05-02 18:26:01 -0400 |
|---|---|---|
| committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-08-23 20:10:57 -0400 |
| commit | e07c9705c82e031bd5fb5013822cd34d571897ff (patch) | |
| tree | 920e0f7a073fbedad33650cf2712677291b53eb9 /libavresample/x86/audio_convert.asm | |
| parent | 5245c9f3adf090fce7e102af714df5c5d20d34fe (diff) | |
| download | ffmpeg-e07c9705c82e031bd5fb5013822cd34d571897ff.tar.gz | |
lavr: x86: optimized 2-channel flt to fltp conversion
Diffstat (limited to 'libavresample/x86/audio_convert.asm')
| -rw-r--r-- | libavresample/x86/audio_convert.asm | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/libavresample/x86/audio_convert.asm b/libavresample/x86/audio_convert.asm index 42644abd01..98bd06b4aa 100644 --- a/libavresample/x86/audio_convert.asm +++ b/libavresample/x86/audio_convert.asm @@ -1165,3 +1165,35 @@ CONV_FLT_TO_S16P_6CH INIT_XMM avx CONV_FLT_TO_S16P_6CH %endif + +;------------------------------------------------------------------------------ +; void ff_conv_flt_to_fltp_2ch(float *const *dst, float *src, int len, +; int channels); +;------------------------------------------------------------------------------ + +%macro CONV_FLT_TO_FLTP_2CH 0 +cglobal conv_flt_to_fltp_2ch, 3,4,3, dst0, src, len, dst1 + lea lenq, [4*lend] + mov dst1q, [dst0q+gprsize] + mov dst0q, [dst0q ] + lea srcq, [srcq+2*lenq] + add dst0q, lenq + add dst1q, lenq + neg lenq +.loop: + mova m0, [srcq+2*lenq ] + mova m1, [srcq+2*lenq+mmsize] + DEINT2_PS 0, 1, 2 + mova [dst0q+lenq], m0 + mova [dst1q+lenq], m1 + add lenq, mmsize + jl .loop + REP_RET +%endmacro + +INIT_XMM sse +CONV_FLT_TO_FLTP_2CH +%if HAVE_AVX +INIT_XMM avx +CONV_FLT_TO_FLTP_2CH +%endif |