mirror of https://github.com/FFmpeg/FFmpeg.git
Signed-off-by: James Almer <jamrial@gmail.com>pull/172/head
James Almer
9 years ago
parent
5dc37a5d8a
commit
209f50e16b
11 changed files with 424 additions and 320 deletions
@ -0,0 +1,47 @@ |
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/*
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* Copyright (c) 2010 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#include "libavutil/aarch64/cpu.h" |
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#include "libavutil/attributes.h" |
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#include "libavutil/internal.h" |
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#include "libavcodec/fft.h" |
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#include "libavcodec/synth_filter.h" |
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#include "asm-offsets.h" |
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#if HAVE_NEON || HAVE_VFP |
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AV_CHECK_OFFSET(FFTContext, imdct_half, IMDCT_HALF); |
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#endif |
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void ff_synth_filter_float_neon(FFTContext *imdct, |
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float *synth_buf_ptr, int *synth_buf_offset, |
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float synth_buf2[32], const float window[512], |
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float out[32], const float in[32], |
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float scale); |
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av_cold void ff_synth_filter_init_aarch64(SynthFilterContext *s) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_neon(cpu_flags)) |
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s->synth_filter_float = ff_synth_filter_float_neon; |
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} |
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@ -0,0 +1,49 @@ |
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/*
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* Copyright (c) 2010 Mans Rullgard <mans@mansr.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "config.h" |
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#include "libavutil/arm/cpu.h" |
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#include "libavutil/attributes.h" |
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#include "libavutil/internal.h" |
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#include "libavcodec/fft.h" |
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#include "libavcodec/synth_filter.h" |
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void ff_synth_filter_float_vfp(FFTContext *imdct, |
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float *synth_buf_ptr, int *synth_buf_offset, |
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float synth_buf2[32], const float window[512], |
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float out[32], const float in[32], |
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float scale); |
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void ff_synth_filter_float_neon(FFTContext *imdct, |
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float *synth_buf_ptr, int *synth_buf_offset, |
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float synth_buf2[32], const float window[512], |
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float out[32], const float in[32], |
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float scale); |
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av_cold void ff_synth_filter_init_arm(SynthFilterContext *s) |
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{ |
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int cpu_flags = av_get_cpu_flags(); |
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if (have_vfp_vm(cpu_flags)) |
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s->synth_filter_float = ff_synth_filter_float_vfp; |
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if (have_neon(cpu_flags)) |
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s->synth_filter_float = ff_synth_filter_float_neon; |
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} |
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@ -0,0 +1,246 @@ |
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;****************************************************************************** |
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;* SSE-optimized functions for the DCA decoder |
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;* Copyright (C) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com> |
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;* |
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;* This file is part of FFmpeg. |
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;* |
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;* FFmpeg is free software; you can redistribute it and/or |
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;* modify it under the terms of the GNU Lesser General Public |
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;* License as published by the Free Software Foundation; either |
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;* version 2.1 of the License, or (at your option) any later version. |
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;* |
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;* FFmpeg is distributed in the hope that it will be useful, |
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;* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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;* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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;* Lesser General Public License for more details. |
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;* |
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;* You should have received a copy of the GNU Lesser General Public |
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;* License along with FFmpeg; if not, write to the Free Software |
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;* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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;****************************************************************************** |
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%include "libavutil/x86/x86util.asm" |
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SECTION .text |
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%macro SETZERO 1 |
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%if cpuflag(sse2) && notcpuflag(avx) |
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pxor %1, %1 |
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%else |
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xorps %1, %1, %1 |
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%endif |
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%endmacro |
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%macro SHUF 3 |
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%if cpuflag(avx) |
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mova %3, [%2 - 16] |
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vperm2f128 %1, %3, %3, 1 |
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vshufps %1, %1, %1, q0123 |
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%elif cpuflag(sse2) |
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pshufd %1, [%2], q0123 |
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%else |
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mova %1, [%2] |
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shufps %1, %1, q0123 |
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%endif |
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%endmacro |
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%macro INNER_LOOP 1 |
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; reading backwards: ptr1 = synth_buf + j + i; ptr2 = synth_buf + j - i |
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;~ a += window[i + j] * (-synth_buf[15 - i + j]) |
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;~ b += window[i + j + 16] * (synth_buf[i + j]) |
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SHUF m5, ptr2 + j + (15 - 3) * 4, m6 |
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mova m6, [ptr1 + j] |
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%if ARCH_X86_64 |
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SHUF m11, ptr2 + j + (15 - 3) * 4 - mmsize, m12 |
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mova m12, [ptr1 + j + mmsize] |
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%endif |
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%if cpuflag(fma3) |
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fmaddps m2, m6, [win + %1 + j + 16 * 4], m2 |
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fnmaddps m1, m5, [win + %1 + j], m1 |
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%if ARCH_X86_64 |
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fmaddps m8, m12, [win + %1 + j + mmsize + 16 * 4], m8 |
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fnmaddps m7, m11, [win + %1 + j + mmsize], m7 |
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%endif |
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%else ; non-FMA |
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mulps m6, m6, [win + %1 + j + 16 * 4] |
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mulps m5, m5, [win + %1 + j] |
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%if ARCH_X86_64 |
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mulps m12, m12, [win + %1 + j + mmsize + 16 * 4] |
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mulps m11, m11, [win + %1 + j + mmsize] |
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%endif |
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addps m2, m2, m6 |
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subps m1, m1, m5 |
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%if ARCH_X86_64 |
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addps m8, m8, m12 |
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subps m7, m7, m11 |
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%endif |
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%endif ; cpuflag(fma3) |
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;~ c += window[i + j + 32] * (synth_buf[16 + i + j]) |
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;~ d += window[i + j + 48] * (synth_buf[31 - i + j]) |
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SHUF m6, ptr2 + j + (31 - 3) * 4, m5 |
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mova m5, [ptr1 + j + 16 * 4] |
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%if ARCH_X86_64 |
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SHUF m12, ptr2 + j + (31 - 3) * 4 - mmsize, m11 |
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mova m11, [ptr1 + j + mmsize + 16 * 4] |
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%endif |
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%if cpuflag(fma3) |
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fmaddps m3, m5, [win + %1 + j + 32 * 4], m3 |
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fmaddps m4, m6, [win + %1 + j + 48 * 4], m4 |
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%if ARCH_X86_64 |
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fmaddps m9, m11, [win + %1 + j + mmsize + 32 * 4], m9 |
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fmaddps m10, m12, [win + %1 + j + mmsize + 48 * 4], m10 |
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%endif |
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%else ; non-FMA |
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mulps m5, m5, [win + %1 + j + 32 * 4] |
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mulps m6, m6, [win + %1 + j + 48 * 4] |
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%if ARCH_X86_64 |
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mulps m11, m11, [win + %1 + j + mmsize + 32 * 4] |
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mulps m12, m12, [win + %1 + j + mmsize + 48 * 4] |
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%endif |
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addps m3, m3, m5 |
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addps m4, m4, m6 |
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%if ARCH_X86_64 |
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addps m9, m9, m11 |
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addps m10, m10, m12 |
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%endif |
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%endif ; cpuflag(fma3) |
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sub j, 64 * 4 |
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%endmacro |
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; void ff_synth_filter_inner_<opt>(float *synth_buf, float synth_buf2[32], |
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; const float window[512], float out[32], |
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; intptr_t offset, float scale) |
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%macro SYNTH_FILTER 0 |
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cglobal synth_filter_inner, 0, 6 + 4 * ARCH_X86_64, 7 + 6 * ARCH_X86_64, \ |
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synth_buf, synth_buf2, window, out, off, scale |
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%define scale m0 |
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%if ARCH_X86_32 || WIN64 |
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%if cpuflag(sse2) && notcpuflag(avx) |
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movd scale, scalem |
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SPLATD m0 |
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%else |
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VBROADCASTSS m0, scalem |
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%endif |
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; Make sure offset is in a register and not on the stack |
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%define OFFQ r4q |
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%else |
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SPLATD xmm0 |
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%if cpuflag(avx) |
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vinsertf128 m0, m0, xmm0, 1 |
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%endif |
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%define OFFQ offq |
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%endif |
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; prepare inner counter limit 1 |
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mov r5q, 480 |
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sub r5q, offmp |
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and r5q, -64 |
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shl r5q, 2 |
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%if ARCH_X86_32 || notcpuflag(avx) |
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mov OFFQ, r5q |
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%define i r5q |
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mov i, 16 * 4 - (ARCH_X86_64 + 1) * mmsize ; main loop counter |
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%else |
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%define i 0 |
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%define OFFQ r5q |
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%endif |
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%define buf2 synth_buf2q |
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%if ARCH_X86_32 |
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mov buf2, synth_buf2mp |
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%endif |
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.mainloop: |
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; m1 = a m2 = b m3 = c m4 = d |
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SETZERO m3 |
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SETZERO m4 |
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mova m1, [buf2 + i] |
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mova m2, [buf2 + i + 16 * 4] |
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%if ARCH_X86_32 |
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%define ptr1 r0q |
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%define ptr2 r1q |
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%define win r2q |
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%define j r3q |
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mov win, windowm |
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mov ptr1, synth_bufm |
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%if ARCH_X86_32 || notcpuflag(avx) |
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add win, i |
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add ptr1, i |
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%endif |
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%else ; ARCH_X86_64 |
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%define ptr1 r6q |
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%define ptr2 r7q ; must be loaded |
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%define win r8q |
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%define j r9q |
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SETZERO m9 |
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SETZERO m10 |
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mova m7, [buf2 + i + mmsize] |
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mova m8, [buf2 + i + mmsize + 16 * 4] |
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lea win, [windowq + i] |
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lea ptr1, [synth_bufq + i] |
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%endif |
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mov ptr2, synth_bufmp |
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; prepare the inner loop counter |
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mov j, OFFQ |
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%if ARCH_X86_32 || notcpuflag(avx) |
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sub ptr2, i |
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%endif |
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.loop1: |
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INNER_LOOP 0 |
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jge .loop1 |
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mov j, 448 * 4 |
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sub j, OFFQ |
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jz .end |
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sub ptr1, j |
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sub ptr2, j |
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add win, OFFQ ; now at j-64, so define OFFSET |
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sub j, 64 * 4 |
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.loop2: |
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INNER_LOOP 64 * 4 |
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jge .loop2 |
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.end: |
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%if ARCH_X86_32 |
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mov buf2, synth_buf2m ; needed for next iteration anyway |
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mov outq, outmp ; j, which will be set again during it |
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%endif |
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;~ out[i] = a * scale; |
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;~ out[i + 16] = b * scale; |
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mulps m1, m1, scale |
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mulps m2, m2, scale |
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%if ARCH_X86_64 |
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mulps m7, m7, scale |
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mulps m8, m8, scale |
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%endif |
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;~ synth_buf2[i] = c; |
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;~ synth_buf2[i + 16] = d; |
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mova [buf2 + i + 0 * 4], m3 |
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mova [buf2 + i + 16 * 4], m4 |
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%if ARCH_X86_64 |
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mova [buf2 + i + 0 * 4 + mmsize], m9 |
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mova [buf2 + i + 16 * 4 + mmsize], m10 |
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%endif |
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;~ out[i] = a; |
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;~ out[i + 16] = a; |
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mova [outq + i + 0 * 4], m1 |
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mova [outq + i + 16 * 4], m2 |
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%if ARCH_X86_64 |
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mova [outq + i + 0 * 4 + mmsize], m7 |
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mova [outq + i + 16 * 4 + mmsize], m8 |
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%endif |
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%if ARCH_X86_32 || notcpuflag(avx) |
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sub i, (ARCH_X86_64 + 1) * mmsize |
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jge .mainloop |
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%endif |
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RET |
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%endmacro |
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%if ARCH_X86_32 |
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INIT_XMM sse |
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SYNTH_FILTER |
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%endif |
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INIT_XMM sse2 |
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SYNTH_FILTER |
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INIT_YMM avx |
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SYNTH_FILTER |
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INIT_YMM fma3 |
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SYNTH_FILTER |
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@ -0,0 +1,74 @@ |
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/*
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* Copyright (c) 2012-2014 Christophe Gisquet <christophe.gisquet@gmail.com> |
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* |
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* This file is part of FFmpeg. |
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* |
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* FFmpeg is free software; you can redistribute it and/or |
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* modify it under the terms of the GNU Lesser General Public |
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* License as published by the Free Software Foundation; either |
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* version 2.1 of the License, or (at your option) any later version. |
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* |
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* FFmpeg is distributed in the hope that it will be useful, |
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* but WITHOUT ANY WARRANTY; without even the implied warranty of |
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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* Lesser General Public License for more details. |
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* |
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* You should have received a copy of the GNU Lesser General Public |
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* License along with FFmpeg; if not, write to the Free Software |
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA |
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*/ |
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#include "libavutil/attributes.h" |
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#include "libavutil/cpu.h" |
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#include "libavutil/x86/cpu.h" |
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#include "libavcodec/synth_filter.h" |
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#define SYNTH_FILTER_FUNC(opt) \ |
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void ff_synth_filter_inner_##opt(float *synth_buf_ptr, float synth_buf2[32], \
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const float window[512], \
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float out[32], intptr_t offset, float scale); \
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static void synth_filter_##opt(FFTContext *imdct, \
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float *synth_buf_ptr, int *synth_buf_offset, \
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float synth_buf2[32], const float window[512], \
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float out[32], const float in[32], float scale) \
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{ \
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float *synth_buf= synth_buf_ptr + *synth_buf_offset; \
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\
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imdct->imdct_half(imdct, synth_buf, in); \
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\
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ff_synth_filter_inner_##opt(synth_buf, synth_buf2, window, \
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out, *synth_buf_offset, scale); \
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\
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*synth_buf_offset = (*synth_buf_offset - 32) & 511; \
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} \
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#if HAVE_YASM |
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#if ARCH_X86_32 |
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SYNTH_FILTER_FUNC(sse) |
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#endif |
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SYNTH_FILTER_FUNC(sse2) |
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SYNTH_FILTER_FUNC(avx) |
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SYNTH_FILTER_FUNC(fma3) |
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#endif /* HAVE_YASM */ |
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av_cold void ff_synth_filter_init_x86(SynthFilterContext *s) |
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{ |
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#if HAVE_YASM |
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int cpu_flags = av_get_cpu_flags(); |
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#if ARCH_X86_32 |
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if (EXTERNAL_SSE(cpu_flags)) { |
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s->synth_filter_float = synth_filter_sse; |
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} |
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#endif |
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if (EXTERNAL_SSE2(cpu_flags)) { |
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s->synth_filter_float = synth_filter_sse2; |
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} |
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if (EXTERNAL_AVX_FAST(cpu_flags)) { |
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s->synth_filter_float = synth_filter_avx; |
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} |
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if (EXTERNAL_FMA3(cpu_flags) && !(cpu_flags & AV_CPU_FLAG_AVXSLOW)) { |
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s->synth_filter_float = synth_filter_fma3; |
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} |
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#endif /* HAVE_YASM */ |
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} |
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