diff options
Diffstat (limited to 'libavcodec/x86')
| -rw-r--r-- | libavcodec/x86/Makefile | 2 | ||||
| -rw-r--r-- | libavcodec/x86/opusdsp.asm | 114 | ||||
| -rw-r--r-- | libavcodec/x86/opusdsp_init.c | 35 |
3 files changed, 151 insertions, 0 deletions
diff --git a/libavcodec/x86/Makefile b/libavcodec/x86/Makefile index 2697431781..f63f7cfed3 100644 --- a/libavcodec/x86/Makefile +++ b/libavcodec/x86/Makefile @@ -53,6 +53,7 @@ OBJS-$(CONFIG_CAVS_DECODER) += x86/cavsdsp.o OBJS-$(CONFIG_DCA_DECODER) += x86/dcadsp_init.o x86/synth_filter_init.o OBJS-$(CONFIG_DNXHD_ENCODER) += x86/dnxhdenc_init.o OBJS-$(CONFIG_EXR_DECODER) += x86/exrdsp_init.o +OBJS-$(CONFIG_OPUS_DECODER) += x86/opusdsp_init.o OBJS-$(CONFIG_OPUS_ENCODER) += x86/celt_pvq_init.o OBJS-$(CONFIG_HEVC_DECODER) += x86/hevcdsp_init.o OBJS-$(CONFIG_JPEG2000_DECODER) += x86/jpeg2000dsp_init.o @@ -126,6 +127,7 @@ X86ASM-OBJS-$(CONFIG_MDCT15) += x86/mdct15.o X86ASM-OBJS-$(CONFIG_ME_CMP) += x86/me_cmp.o X86ASM-OBJS-$(CONFIG_MPEGAUDIODSP) += x86/imdct36.o X86ASM-OBJS-$(CONFIG_MPEGVIDEOENC) += x86/mpegvideoencdsp.o +X86ASM-OBJS-$(CONFIG_OPUS_DECODER) += x86/opusdsp.o X86ASM-OBJS-$(CONFIG_OPUS_ENCODER) += x86/celt_pvq_search.o X86ASM-OBJS-$(CONFIG_PIXBLOCKDSP) += x86/pixblockdsp.o X86ASM-OBJS-$(CONFIG_QPELDSP) += x86/qpeldsp.o \ diff --git a/libavcodec/x86/opusdsp.asm b/libavcodec/x86/opusdsp.asm new file mode 100644 index 0000000000..ed65614e06 --- /dev/null +++ b/libavcodec/x86/opusdsp.asm @@ -0,0 +1,114 @@ +;****************************************************************************** +;* Opus SIMD functions +;* +;* This file is part of FFmpeg. +;* +;* FFmpeg 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. +;* +;* FFmpeg 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 FFmpeg; if not, write to the Free Software +;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA +;****************************************************************************** + +%include "libavutil/x86/x86util.asm" + +SECTION_RODATA + + ; 0.85..^1 0.85..^2 0.85..^3 0.85..^4 +tab_st: dd 0x3f599a00, 0x3f38f671, 0x3f1d382a, 0x3f05a32f +tab_x0: dd 0x0, 0x3f599a00, 0x3f599a00, 0x3f599a00 +tab_x1: dd 0x0, 0x0, 0x3f38f671, 0x3f38f671 +tab_x2: dd 0x0, 0x0, 0x0, 0x3f1d382a + +SECTION .text + +INIT_XMM fma3 +%if UNIX64 +cglobal opus_deemphasis, 3, 3, 8, out, in, len +%else +cglobal opus_deemphasis, 4, 4, 8, out, in, coeff, len +%endif +%if ARCH_X86_32 + VBROADCASTSS m0, coeffm +%else +%if WIN64 + SWAP 0, 2 +%endif + shufps m0, m0, 0 +%endif + + movaps m4, [tab_st] + movaps m5, [tab_x0] + movaps m6, [tab_x1] + movaps m7, [tab_x2] + +.loop: + movaps m1, [inq] ; x0, x1, x2, x3 + + pslldq m2, m1, 4 ; 0, x0, x1, x2 + pslldq m3, m1, 8 ; 0, 0, x0, x1 + + fmaddps m2, m2, m5, m1 ; x + c1*x[0-2] + pslldq m1, 12 ; 0, 0, 0, x0 + + fmaddps m2, m3, m6, m2 ; x + c1*x[0-2] + c2*x[0-1] + fmaddps m1, m1, m7, m2 ; x + c1*x[0-2] + c2*x[0-1] + c3*x[0] + fmaddps m0, m0, m4, m1 ; x + c1*x[0-2] + c2*x[0-1] + c3*x[0] + c*s + + movaps [outq], m0 + shufps m0, m0, q3333 ; new state + + add inq, mmsize + add outq, mmsize + sub lenq, mmsize >> 2 + jg .loop + +%if ARCH_X86_64 == 0 + movss r0m, m0 + fld dword r0m +%endif + RET + + +INIT_XMM fma3 +cglobal opus_postfilter, 4, 4, 8, data, period, gains, len + VBROADCASTSS m0, [gainsq + 0] + VBROADCASTSS m1, [gainsq + 4] + VBROADCASTSS m2, [gainsq + 8] + + lea periodq, [periodq*4 + 8] + neg periodq + + movups m3, [dataq + periodq] + mulps m3, m2 + +.loop: + movups m4, [dataq + periodq + 4] + movups m5, [dataq + periodq + 8] + movups m6, [dataq + periodq + 12] + movups m7, [dataq + periodq + 16] + + fmaddps m3, m7, m2, m3 + addps m6, m4 + + fmaddps m5, m5, m0, [dataq] + fmaddps m6, m6, m1, m3 + + addps m5, m6 + mulps m3, m7, m2 + + movaps [dataq], m5 + + add dataq, mmsize + sub lenq, mmsize >> 2 + jg .loop + + RET diff --git a/libavcodec/x86/opusdsp_init.c b/libavcodec/x86/opusdsp_init.c new file mode 100644 index 0000000000..6834c4e6a4 --- /dev/null +++ b/libavcodec/x86/opusdsp_init.c @@ -0,0 +1,35 @@ +/* + * This file is part of FFmpeg. + * + * FFmpeg 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. + * + * FFmpeg 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 FFmpeg; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA + */ + +#include "config.h" + +#include "libavutil/x86/cpu.h" +#include "libavcodec/opusdsp.h" + +void ff_opus_postfilter_fma3(float *data, int period, float *gains, int len); +float ff_opus_deemphasis_fma3(float *out, float *in, float coeff, int len); + +av_cold void ff_opus_dsp_init_x86(OpusDSP *ctx) +{ + int cpu_flags = av_get_cpu_flags(); + + if (EXTERNAL_FMA3_FAST(cpu_flags)) { + ctx->postfilter = ff_opus_postfilter_fma3; + ctx->deemphasis = ff_opus_deemphasis_fma3; + } +} |