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author | Justin Ruggles <justin.ruggles@gmail.com> | 2012-04-23 15:04:09 -0400 |
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committer | Justin Ruggles <justin.ruggles@gmail.com> | 2012-05-29 15:33:18 -0400 |
commit | c140fb2cbc8e95f2533e51c0e4acf51211cf45cf (patch) | |
tree | e7814d889e8880ced8583f901435e29612a7640f | |
parent | 8dfc122719f3e1fa88fa9356a820843e6840df16 (diff) | |
download | ffmpeg-streaming-c140fb2cbc8e95f2533e51c0e4acf51211cf45cf.zip ffmpeg-streaming-c140fb2cbc8e95f2533e51c0e4acf51211cf45cf.tar.gz |
lavr: add x86-optimized functions for mixing 2 to 1 s16p with float coeffs
-rw-r--r-- | libavresample/x86/audio_mix.asm | 45 | ||||
-rw-r--r-- | libavresample/x86/audio_mix_init.c | 13 | ||||
-rw-r--r-- | libavresample/x86/util.asm | 34 |
3 files changed, 92 insertions, 0 deletions
diff --git a/libavresample/x86/audio_mix.asm b/libavresample/x86/audio_mix.asm index dbc79e5..c2e310b 100644 --- a/libavresample/x86/audio_mix.asm +++ b/libavresample/x86/audio_mix.asm @@ -21,6 +21,7 @@ %include "x86inc.asm" %include "x86util.asm" +%include "util.asm" SECTION_TEXT @@ -64,3 +65,47 @@ MIX_2_TO_1_FLTP_FLT INIT_YMM avx MIX_2_TO_1_FLTP_FLT %endif + +;----------------------------------------------------------------------------- +; void ff_mix_2_to_1_s16p_flt(int16_t **src, float **matrix, int len, +; int out_ch, int in_ch); +;----------------------------------------------------------------------------- + +%macro MIX_2_TO_1_S16P_FLT 0 +cglobal mix_2_to_1_s16p_flt, 3,4,6, src, matrix, len, src1 + mov src1q, [srcq+gprsize] + mov srcq, [srcq] + sub src1q, srcq + mov matrixq, [matrixq ] + VBROADCASTSS m4, [matrixq ] + VBROADCASTSS m5, [matrixq+4] + ALIGN 16 +.loop: + mova m0, [srcq ] + mova m2, [srcq+src1q] + S16_TO_S32_SX 0, 1 + S16_TO_S32_SX 2, 3 + cvtdq2ps m0, m0 + cvtdq2ps m1, m1 + cvtdq2ps m2, m2 + cvtdq2ps m3, m3 + mulps m0, m4 + mulps m1, m4 + mulps m2, m5 + mulps m3, m5 + addps m0, m2 + addps m1, m3 + cvtps2dq m0, m0 + cvtps2dq m1, m1 + packssdw m0, m1 + mova [srcq], m0 + add srcq, mmsize + sub lend, mmsize/2 + jg .loop + REP_RET +%endmacro + +INIT_XMM sse2 +MIX_2_TO_1_S16P_FLT +INIT_XMM sse4 +MIX_2_TO_1_S16P_FLT diff --git a/libavresample/x86/audio_mix_init.c b/libavresample/x86/audio_mix_init.c index 8f8930f..947c314 100644 --- a/libavresample/x86/audio_mix_init.c +++ b/libavresample/x86/audio_mix_init.c @@ -27,6 +27,11 @@ extern void ff_mix_2_to_1_fltp_flt_sse(float **src, float **matrix, int len, extern void ff_mix_2_to_1_fltp_flt_avx(float **src, float **matrix, int len, int out_ch, int in_ch); +extern void ff_mix_2_to_1_s16p_flt_sse2(int16_t **src, float **matrix, int len, + int out_ch, int in_ch); +extern void ff_mix_2_to_1_s16p_flt_sse4(int16_t **src, float **matrix, int len, + int out_ch, int in_ch); + av_cold void ff_audio_mix_init_x86(AudioMix *am) { #if HAVE_YASM @@ -36,6 +41,14 @@ av_cold void ff_audio_mix_init_x86(AudioMix *am) ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT, 2, 1, 16, 8, "SSE", ff_mix_2_to_1_fltp_flt_sse); } + if (mm_flags & AV_CPU_FLAG_SSE2 && HAVE_SSE) { + ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT, + 2, 1, 16, 8, "SSE2", ff_mix_2_to_1_s16p_flt_sse2); + } + if (mm_flags & AV_CPU_FLAG_SSE4 && HAVE_SSE) { + ff_audio_mix_set_func(am, AV_SAMPLE_FMT_S16P, AV_MIX_COEFF_TYPE_FLT, + 2, 1, 16, 8, "SSE4", ff_mix_2_to_1_s16p_flt_sse4); + } if (mm_flags & AV_CPU_FLAG_AVX && HAVE_AVX) { ff_audio_mix_set_func(am, AV_SAMPLE_FMT_FLTP, AV_MIX_COEFF_TYPE_FLT, 2, 1, 32, 16, "AVX", ff_mix_2_to_1_fltp_flt_avx); diff --git a/libavresample/x86/util.asm b/libavresample/x86/util.asm new file mode 100644 index 0000000..501f662 --- /dev/null +++ b/libavresample/x86/util.asm @@ -0,0 +1,34 @@ +;****************************************************************************** +;* x86 utility macros for libavresample +;* Copyright (c) 2012 Justin Ruggles <justin.ruggles@gmail.com> +;* +;* This file is part of Libav. +;* +;* Libav is free software; you can redistribute it and/or +;* modify it under the terms of the GNU Lesser General Public +;* License as published by the Free Software Foundation; either +;* version 2.1 of the License, or (at your option) any later version. +;* +;* Libav is distributed in the hope that it will be useful, +;* but WITHOUT ANY WARRANTY; without even the implied warranty of +;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU +;* Lesser General Public License for more details. +;* +;* You should have received a copy of the GNU Lesser General Public +;* License along with Libav; if not, write to the Free Software +;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%macro S16_TO_S32_SX 2 ; src/low dst, high dst +%if cpuflag(sse4) + pmovsxwd m%2, m%1 + psrldq m%1, 8 + pmovsxwd m%1, m%1 + SWAP %1, %2 +%else + punpckhwd m%2, m%1 + punpcklwd m%1, m%1 + psrad m%2, 16 + psrad m%1, 16 +%endif +%endmacro |