diff options
Diffstat (limited to 'libavresample/x86/audio_convert.asm')
| -rw-r--r-- | libavresample/x86/audio_convert.asm | 50 |
1 files changed, 50 insertions, 0 deletions
diff --git a/libavresample/x86/audio_convert.asm b/libavresample/x86/audio_convert.asm index 48508af81c..567acf6f8f 100644 --- a/libavresample/x86/audio_convert.asm +++ b/libavresample/x86/audio_convert.asm @@ -33,6 +33,7 @@ pf_s16_scale: times 4 dd 0x47000000 pb_shuf_unpack_even: db -1, -1, 0, 1, -1, -1, 2, 3, -1, -1, 8, 9, -1, -1, 10, 11 pb_shuf_unpack_odd: db -1, -1, 4, 5, -1, -1, 6, 7, -1, -1, 12, 13, -1, -1, 14, 15 pb_interleave_words: SHUFFLE_MASK_W 0, 4, 1, 5, 2, 6, 3, 7 +pb_deinterleave_words: SHUFFLE_MASK_W 0, 2, 4, 6, 1, 3, 5, 7 SECTION_TEXT @@ -812,3 +813,52 @@ CONV_FLTP_TO_FLT_6CH INIT_XMM avx CONV_FLTP_TO_FLT_6CH %endif + +;------------------------------------------------------------------------------ +; void ff_conv_s16_to_s16p_2ch(int16_t *const *dst, int16_t *src, int len, +; int channels); +;------------------------------------------------------------------------------ + +%macro CONV_S16_TO_S16P_2CH 0 +cglobal conv_s16_to_s16p_2ch, 3,4,4, dst0, src, len, dst1 + lea lenq, [2*lend] + mov dst1q, [dst0q+gprsize] + mov dst0q, [dst0q ] + lea srcq, [srcq+2*lenq] + add dst0q, lenq + add dst1q, lenq + neg lenq +%if cpuflag(ssse3) + mova m3, [pb_deinterleave_words] +%endif +.loop: + mova m0, [srcq+2*lenq ] ; m0 = 0, 1, 2, 3, 4, 5, 6, 7 + mova m1, [srcq+2*lenq+mmsize] ; m1 = 8, 9, 10, 11, 12, 13, 14, 15 +%if cpuflag(ssse3) + pshufb m0, m3 ; m0 = 0, 2, 4, 6, 1, 3, 5, 7 + pshufb m1, m3 ; m1 = 8, 10, 12, 14, 9, 11, 13, 15 + SBUTTERFLY2 qdq, 0, 1, 2 ; m0 = 0, 2, 4, 6, 8, 10, 12, 14 + ; m1 = 1, 3, 5, 7, 9, 11, 13, 15 +%else ; sse2 + pshuflw m0, m0, q3120 ; m0 = 0, 2, 1, 3, 4, 5, 6, 7 + pshufhw m0, m0, q3120 ; m0 = 0, 2, 1, 3, 4, 6, 5, 7 + pshuflw m1, m1, q3120 ; m1 = 8, 10, 9, 11, 12, 13, 14, 15 + pshufhw m1, m1, q3120 ; m1 = 8, 10, 9, 11, 12, 14, 13, 15 + DEINT2_PS 0, 1, 2 ; m0 = 0, 2, 4, 6, 8, 10, 12, 14 + ; m1 = 1, 3, 5, 7, 9, 11, 13, 15 +%endif + mova [dst0q+lenq], m0 + mova [dst1q+lenq], m1 + add lenq, mmsize + jl .loop + REP_RET +%endmacro + +INIT_XMM sse2 +CONV_S16_TO_S16P_2CH +INIT_XMM ssse3 +CONV_S16_TO_S16P_2CH +%if HAVE_AVX +INIT_XMM avx +CONV_S16_TO_S16P_2CH +%endif |