diff options
Diffstat (limited to 'libavresample/x86/audio_convert.asm')
| -rw-r--r-- | libavresample/x86/audio_convert.asm | 42 |
1 files changed, 42 insertions, 0 deletions
diff --git a/libavresample/x86/audio_convert.asm b/libavresample/x86/audio_convert.asm index a28198197f..7b3cc223c7 100644 --- a/libavresample/x86/audio_convert.asm +++ b/libavresample/x86/audio_convert.asm @@ -27,6 +27,7 @@ SECTION_RODATA 32 pf_s32_inv_scale: times 8 dd 0x30000000 +pf_s32_scale: times 8 dd 0x4f000000 pf_s16_inv_scale: times 4 dd 0x38000000 pf_s16_scale: times 4 dd 0x47000000 @@ -191,6 +192,47 @@ cglobal conv_flt_to_s16, 3,3,5, dst, src, len jl .loop REP_RET +;------------------------------------------------------------------------------ +; void ff_conv_flt_to_s32(int32_t *dst, const float *src, int len); +;------------------------------------------------------------------------------ + +%macro CONV_FLT_TO_S32 0 +cglobal conv_flt_to_s32, 3,3,5, dst, src, len + lea lenq, [lend*4] + add srcq, lenq + add dstq, lenq + neg lenq + mova m4, [pf_s32_scale] +.loop: + mulps m0, m4, [srcq+lenq ] + mulps m1, m4, [srcq+lenq+1*mmsize] + mulps m2, m4, [srcq+lenq+2*mmsize] + mulps m3, m4, [srcq+lenq+3*mmsize] + cvtps2dq m0, m0 + cvtps2dq m1, m1 + cvtps2dq m2, m2 + cvtps2dq m3, m3 + mova [dstq+lenq ], m0 + mova [dstq+lenq+1*mmsize], m1 + mova [dstq+lenq+2*mmsize], m2 + mova [dstq+lenq+3*mmsize], m3 + add lenq, mmsize*4 + jl .loop +%if mmsize == 32 + vzeroupper + RET +%else + REP_RET +%endif +%endmacro + +INIT_XMM sse2 +CONV_FLT_TO_S32 +%if HAVE_AVX +INIT_YMM avx +CONV_FLT_TO_S32 +%endif + ;----------------------------------------------------------------------------- ; void ff_conv_fltp_to_flt_6ch(float *dst, float *const *src, int len, ; int channels); |