early-access version 1432
This commit is contained in:
pineappleEA
7
externals/ffmpeg/libswresample/aarch64/Makefile
vendored
Executable file
7
externals/ffmpeg/libswresample/aarch64/Makefile
vendored
Executable file
@@ -0,0 +1,7 @@
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OBJS += aarch64/audio_convert_init.o \
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aarch64/resample_init.o
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OBJS-$(CONFIG_NEON_CLOBBER_TEST) += aarch64/neontest.o
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NEON-OBJS += aarch64/audio_convert_neon.o \
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aarch64/resample.o
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67
externals/ffmpeg/libswresample/aarch64/audio_convert_init.c
vendored
Executable file
67
externals/ffmpeg/libswresample/aarch64/audio_convert_init.c
vendored
Executable file
@@ -0,0 +1,67 @@
|
||||
/*
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||||
* This file is part of libswresample.
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*
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* libswresample is free software; you can redistribute it and/or
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* 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.
|
||||
*
|
||||
* libswresample 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 libswresample; if not, write to the Free Software
|
||||
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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*/
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#include <stdint.h>
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#include "config.h"
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#include "libavutil/attributes.h"
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#include "libavutil/cpu.h"
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#include "libavutil/aarch64/cpu.h"
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#include "libavutil/samplefmt.h"
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#include "libswresample/swresample_internal.h"
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#include "libswresample/audioconvert.h"
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void swri_oldapi_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len);
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void swri_oldapi_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src, int len, int channels);
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void swri_oldapi_conv_fltp_to_s16_nch_neon(int16_t *dst, float *const *src, int len, int channels);
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static void conv_flt_to_s16_neon(uint8_t **dst, const uint8_t **src, int len){
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swri_oldapi_conv_flt_to_s16_neon((int16_t*)*dst, (const float*)*src, len);
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}
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static void conv_fltp_to_s16_2ch_neon(uint8_t **dst, const uint8_t **src, int len){
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swri_oldapi_conv_fltp_to_s16_2ch_neon((int16_t*)*dst, (float *const*)src, len, 2);
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}
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static void conv_fltp_to_s16_nch_neon(uint8_t **dst, const uint8_t **src, int len){
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int channels;
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for(channels=3; channels<SWR_CH_MAX && src[channels]; channels++)
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;
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swri_oldapi_conv_fltp_to_s16_nch_neon((int16_t*)*dst, (float *const*)src, len, channels);
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}
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av_cold void swri_audio_convert_init_aarch64(struct AudioConvert *ac,
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enum AVSampleFormat out_fmt,
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enum AVSampleFormat in_fmt,
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int channels)
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{
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int cpu_flags = av_get_cpu_flags();
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ac->simd_f= NULL;
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if (have_neon(cpu_flags)) {
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if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLT || out_fmt == AV_SAMPLE_FMT_S16P && in_fmt == AV_SAMPLE_FMT_FLTP)
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ac->simd_f = conv_flt_to_s16_neon;
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if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels == 2)
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ac->simd_f = conv_fltp_to_s16_2ch_neon;
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if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels > 2)
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ac->simd_f = conv_fltp_to_s16_nch_neon;
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if(ac->simd_f)
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ac->in_simd_align_mask = ac->out_simd_align_mask = 15;
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}
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}
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363
externals/ffmpeg/libswresample/aarch64/audio_convert_neon.S
vendored
Executable file
363
externals/ffmpeg/libswresample/aarch64/audio_convert_neon.S
vendored
Executable file
@@ -0,0 +1,363 @@
|
||||
/*
|
||||
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
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* Copyright (c) 2014 Janne Grunau <janne-libav@jannau.net>
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*
|
||||
* This file is part of FFmpeg.
|
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*
|
||||
* 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
|
||||
*/
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#include "config.h"
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#include "libavutil/aarch64/asm.S"
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function swri_oldapi_conv_flt_to_s16_neon, export=1
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subs x2, x2, #8
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ld1 {v0.4s}, [x1], #16
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fcvtzs v4.4s, v0.4s, #31
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ld1 {v1.4s}, [x1], #16
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fcvtzs v5.4s, v1.4s, #31
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b.eq 3f
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ands x12, x2, #~15
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b.eq 2f
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1: subs x12, x12, #16
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sqrshrn v4.4h, v4.4s, #16
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ld1 {v2.4s}, [x1], #16
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fcvtzs v6.4s, v2.4s, #31
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sqrshrn2 v4.8h, v5.4s, #16
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ld1 {v3.4s}, [x1], #16
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fcvtzs v7.4s, v3.4s, #31
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sqrshrn v6.4h, v6.4s, #16
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st1 {v4.8h}, [x0], #16
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sqrshrn2 v6.8h, v7.4s, #16
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ld1 {v0.4s}, [x1], #16
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fcvtzs v4.4s, v0.4s, #31
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ld1 {v1.4s}, [x1], #16
|
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fcvtzs v5.4s, v1.4s, #31
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st1 {v6.8h}, [x0], #16
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b.ne 1b
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||||
ands x2, x2, #15
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b.eq 3f
|
||||
2: ld1 {v2.4s}, [x1], #16
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sqrshrn v4.4h, v4.4s, #16
|
||||
fcvtzs v6.4s, v2.4s, #31
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ld1 {v3.4s}, [x1], #16
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sqrshrn2 v4.8h, v5.4s, #16
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fcvtzs v7.4s, v3.4s, #31
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sqrshrn v6.4h, v6.4s, #16
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st1 {v4.8h}, [x0], #16
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sqrshrn2 v6.8h, v7.4s, #16
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st1 {v6.8h}, [x0]
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ret
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3: sqrshrn v4.4h, v4.4s, #16
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||||
sqrshrn2 v4.8h, v5.4s, #16
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||||
st1 {v4.8h}, [x0]
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||||
ret
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endfunc
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function swri_oldapi_conv_fltp_to_s16_2ch_neon, export=1
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ldp x4, x5, [x1]
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subs x2, x2, #8
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ld1 {v0.4s}, [x4], #16
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fcvtzs v4.4s, v0.4s, #31
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ld1 {v1.4s}, [x4], #16
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fcvtzs v5.4s, v1.4s, #31
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ld1 {v2.4s}, [x5], #16
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||||
fcvtzs v6.4s, v2.4s, #31
|
||||
ld1 {v3.4s}, [x5], #16
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fcvtzs v7.4s, v3.4s, #31
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b.eq 3f
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ands x12, x2, #~15
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b.eq 2f
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1: subs x12, x12, #16
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ld1 {v16.4s}, [x4], #16
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fcvtzs v20.4s, v16.4s, #31
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sri v6.4s, v4.4s, #16
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ld1 {v17.4s}, [x4], #16
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fcvtzs v21.4s, v17.4s, #31
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ld1 {v18.4s}, [x5], #16
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fcvtzs v22.4s, v18.4s, #31
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ld1 {v19.4s}, [x5], #16
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sri v7.4s, v5.4s, #16
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st1 {v6.4s}, [x0], #16
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fcvtzs v23.4s, v19.4s, #31
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st1 {v7.4s}, [x0], #16
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sri v22.4s, v20.4s, #16
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ld1 {v0.4s}, [x4], #16
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sri v23.4s, v21.4s, #16
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st1 {v22.4s}, [x0], #16
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||||
fcvtzs v4.4s, v0.4s, #31
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||||
ld1 {v1.4s}, [x4], #16
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fcvtzs v5.4s, v1.4s, #31
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||||
ld1 {v2.4s}, [x5], #16
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fcvtzs v6.4s, v2.4s, #31
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ld1 {v3.4s}, [x5], #16
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fcvtzs v7.4s, v3.4s, #31
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st1 {v23.4s}, [x0], #16
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b.ne 1b
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ands x2, x2, #15
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b.eq 3f
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2: sri v6.4s, v4.4s, #16
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ld1 {v0.4s}, [x4], #16
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fcvtzs v0.4s, v0.4s, #31
|
||||
ld1 {v1.4s}, [x4], #16
|
||||
fcvtzs v1.4s, v1.4s, #31
|
||||
ld1 {v2.4s}, [x5], #16
|
||||
fcvtzs v2.4s, v2.4s, #31
|
||||
sri v7.4s, v5.4s, #16
|
||||
ld1 {v3.4s}, [x5], #16
|
||||
fcvtzs v3.4s, v3.4s, #31
|
||||
sri v2.4s, v0.4s, #16
|
||||
st1 {v6.4s,v7.4s}, [x0], #32
|
||||
sri v3.4s, v1.4s, #16
|
||||
st1 {v2.4s,v3.4s}, [x0], #32
|
||||
ret
|
||||
3: sri v6.4s, v4.4s, #16
|
||||
sri v7.4s, v5.4s, #16
|
||||
st1 {v6.4s,v7.4s}, [x0]
|
||||
ret
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||||
endfunc
|
||||
|
||||
function swri_oldapi_conv_fltp_to_s16_nch_neon, export=1
|
||||
cmp w3, #2
|
||||
b.eq X(swri_oldapi_conv_fltp_to_s16_2ch_neon)
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b.gt 1f
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||||
ldr x1, [x1]
|
||||
b X(swri_oldapi_conv_flt_to_s16_neon)
|
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1:
|
||||
cmp w3, #4
|
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lsl x12, x3, #1
|
||||
b.lt 4f
|
||||
|
||||
5: // 4 channels
|
||||
ldp x4, x5, [x1], #16
|
||||
ldp x6, x7, [x1], #16
|
||||
mov w9, w2
|
||||
mov x8, x0
|
||||
ld1 {v4.4s}, [x4], #16
|
||||
fcvtzs v4.4s, v4.4s, #31
|
||||
ld1 {v5.4s}, [x5], #16
|
||||
fcvtzs v5.4s, v5.4s, #31
|
||||
ld1 {v6.4s}, [x6], #16
|
||||
fcvtzs v6.4s, v6.4s, #31
|
||||
ld1 {v7.4s}, [x7], #16
|
||||
fcvtzs v7.4s, v7.4s, #31
|
||||
6:
|
||||
subs w9, w9, #8
|
||||
ld1 {v0.4s}, [x4], #16
|
||||
fcvtzs v0.4s, v0.4s, #31
|
||||
sri v5.4s, v4.4s, #16
|
||||
ld1 {v1.4s}, [x5], #16
|
||||
fcvtzs v1.4s, v1.4s, #31
|
||||
sri v7.4s, v6.4s, #16
|
||||
ld1 {v2.4s}, [x6], #16
|
||||
fcvtzs v2.4s, v2.4s, #31
|
||||
zip1 v16.4s, v5.4s, v7.4s
|
||||
ld1 {v3.4s}, [x7], #16
|
||||
fcvtzs v3.4s, v3.4s, #31
|
||||
zip2 v17.4s, v5.4s, v7.4s
|
||||
st1 {v16.d}[0], [x8], x12
|
||||
sri v1.4s, v0.4s, #16
|
||||
st1 {v16.d}[1], [x8], x12
|
||||
sri v3.4s, v2.4s, #16
|
||||
st1 {v17.d}[0], [x8], x12
|
||||
zip1 v18.4s, v1.4s, v3.4s
|
||||
st1 {v17.d}[1], [x8], x12
|
||||
zip2 v19.4s, v1.4s, v3.4s
|
||||
b.eq 7f
|
||||
ld1 {v4.4s}, [x4], #16
|
||||
fcvtzs v4.4s, v4.4s, #31
|
||||
st1 {v18.d}[0], [x8], x12
|
||||
ld1 {v5.4s}, [x5], #16
|
||||
fcvtzs v5.4s, v5.4s, #31
|
||||
st1 {v18.d}[1], [x8], x12
|
||||
ld1 {v6.4s}, [x6], #16
|
||||
fcvtzs v6.4s, v6.4s, #31
|
||||
st1 {v19.d}[0], [x8], x12
|
||||
ld1 {v7.4s}, [x7], #16
|
||||
fcvtzs v7.4s, v7.4s, #31
|
||||
st1 {v19.d}[1], [x8], x12
|
||||
b 6b
|
||||
7:
|
||||
st1 {v18.d}[0], [x8], x12
|
||||
st1 {v18.d}[1], [x8], x12
|
||||
st1 {v19.d}[0], [x8], x12
|
||||
st1 {v19.d}[1], [x8], x12
|
||||
subs w3, w3, #4
|
||||
b.eq end
|
||||
cmp w3, #4
|
||||
add x0, x0, #8
|
||||
b.ge 5b
|
||||
|
||||
4: // 2 channels
|
||||
cmp w3, #2
|
||||
b.lt 4f
|
||||
ldp x4, x5, [x1], #16
|
||||
mov w9, w2
|
||||
mov x8, x0
|
||||
tst w9, #8
|
||||
ld1 {v4.4s}, [x4], #16
|
||||
fcvtzs v4.4s, v4.4s, #31
|
||||
ld1 {v5.4s}, [x5], #16
|
||||
fcvtzs v5.4s, v5.4s, #31
|
||||
ld1 {v6.4s}, [x4], #16
|
||||
fcvtzs v6.4s, v6.4s, #31
|
||||
ld1 {v7.4s}, [x5], #16
|
||||
fcvtzs v7.4s, v7.4s, #31
|
||||
b.eq 6f
|
||||
subs w9, w9, #8
|
||||
b.eq 7f
|
||||
sri v5.4s, v4.4s, #16
|
||||
ld1 {v4.4s}, [x4], #16
|
||||
fcvtzs v4.4s, v4.4s, #31
|
||||
st1 {v5.s}[0], [x8], x12
|
||||
sri v7.4s, v6.4s, #16
|
||||
st1 {v5.s}[1], [x8], x12
|
||||
ld1 {v6.4s}, [x4], #16
|
||||
fcvtzs v6.4s, v6.4s, #31
|
||||
st1 {v5.s}[2], [x8], x12
|
||||
st1 {v5.s}[3], [x8], x12
|
||||
st1 {v7.s}[0], [x8], x12
|
||||
st1 {v7.s}[1], [x8], x12
|
||||
ld1 {v5.4s}, [x5], #16
|
||||
fcvtzs v5.4s, v5.4s, #31
|
||||
st1 {v7.s}[2], [x8], x12
|
||||
st1 {v7.s}[3], [x8], x12
|
||||
ld1 {v7.4s}, [x5], #16
|
||||
fcvtzs v7.4s, v7.4s, #31
|
||||
6:
|
||||
subs w9, w9, #16
|
||||
ld1 {v0.4s}, [x4], #16
|
||||
sri v5.4s, v4.4s, #16
|
||||
fcvtzs v0.4s, v0.4s, #31
|
||||
ld1 {v1.4s}, [x5], #16
|
||||
sri v7.4s, v6.4s, #16
|
||||
st1 {v5.s}[0], [x8], x12
|
||||
st1 {v5.s}[1], [x8], x12
|
||||
fcvtzs v1.4s, v1.4s, #31
|
||||
st1 {v5.s}[2], [x8], x12
|
||||
st1 {v5.s}[3], [x8], x12
|
||||
ld1 {v2.4s}, [x4], #16
|
||||
st1 {v7.s}[0], [x8], x12
|
||||
fcvtzs v2.4s, v2.4s, #31
|
||||
st1 {v7.s}[1], [x8], x12
|
||||
ld1 {v3.4s}, [x5], #16
|
||||
st1 {v7.s}[2], [x8], x12
|
||||
fcvtzs v3.4s, v3.4s, #31
|
||||
st1 {v7.s}[3], [x8], x12
|
||||
sri v1.4s, v0.4s, #16
|
||||
sri v3.4s, v2.4s, #16
|
||||
b.eq 6f
|
||||
ld1 {v4.4s}, [x4], #16
|
||||
st1 {v1.s}[0], [x8], x12
|
||||
fcvtzs v4.4s, v4.4s, #31
|
||||
st1 {v1.s}[1], [x8], x12
|
||||
ld1 {v5.4s}, [x5], #16
|
||||
st1 {v1.s}[2], [x8], x12
|
||||
fcvtzs v5.4s, v5.4s, #31
|
||||
st1 {v1.s}[3], [x8], x12
|
||||
ld1 {v6.4s}, [x4], #16
|
||||
st1 {v3.s}[0], [x8], x12
|
||||
fcvtzs v6.4s, v6.4s, #31
|
||||
st1 {v3.s}[1], [x8], x12
|
||||
ld1 {v7.4s}, [x5], #16
|
||||
st1 {v3.s}[2], [x8], x12
|
||||
fcvtzs v7.4s, v7.4s, #31
|
||||
st1 {v3.s}[3], [x8], x12
|
||||
b.gt 6b
|
||||
6:
|
||||
st1 {v1.s}[0], [x8], x12
|
||||
st1 {v1.s}[1], [x8], x12
|
||||
st1 {v1.s}[2], [x8], x12
|
||||
st1 {v1.s}[3], [x8], x12
|
||||
st1 {v3.s}[0], [x8], x12
|
||||
st1 {v3.s}[1], [x8], x12
|
||||
st1 {v3.s}[2], [x8], x12
|
||||
st1 {v3.s}[3], [x8], x12
|
||||
b 8f
|
||||
7:
|
||||
sri v5.4s, v4.4s, #16
|
||||
sri v7.4s, v6.4s, #16
|
||||
st1 {v5.s}[0], [x8], x12
|
||||
st1 {v5.s}[1], [x8], x12
|
||||
st1 {v5.s}[2], [x8], x12
|
||||
st1 {v5.s}[3], [x8], x12
|
||||
st1 {v7.s}[0], [x8], x12
|
||||
st1 {v7.s}[1], [x8], x12
|
||||
st1 {v7.s}[2], [x8], x12
|
||||
st1 {v7.s}[3], [x8], x12
|
||||
8:
|
||||
subs w3, w3, #2
|
||||
add x0, x0, #4
|
||||
b.eq end
|
||||
|
||||
4: // 1 channel
|
||||
ldr x4, [x1]
|
||||
tst w2, #8
|
||||
mov w9, w2
|
||||
mov x5, x0
|
||||
ld1 {v0.4s}, [x4], #16
|
||||
fcvtzs v0.4s, v0.4s, #31
|
||||
ld1 {v1.4s}, [x4], #16
|
||||
fcvtzs v1.4s, v1.4s, #31
|
||||
b.ne 8f
|
||||
6:
|
||||
subs w9, w9, #16
|
||||
ld1 {v2.4s}, [x4], #16
|
||||
fcvtzs v2.4s, v2.4s, #31
|
||||
ld1 {v3.4s}, [x4], #16
|
||||
fcvtzs v3.4s, v3.4s, #31
|
||||
st1 {v0.h}[1], [x5], x12
|
||||
st1 {v0.h}[3], [x5], x12
|
||||
st1 {v0.h}[5], [x5], x12
|
||||
st1 {v0.h}[7], [x5], x12
|
||||
st1 {v1.h}[1], [x5], x12
|
||||
st1 {v1.h}[3], [x5], x12
|
||||
st1 {v1.h}[5], [x5], x12
|
||||
st1 {v1.h}[7], [x5], x12
|
||||
b.eq 7f
|
||||
ld1 {v0.4s}, [x4], #16
|
||||
fcvtzs v0.4s, v0.4s, #31
|
||||
ld1 {v1.4s}, [x4], #16
|
||||
fcvtzs v1.4s, v1.4s, #31
|
||||
7:
|
||||
st1 {v2.h}[1], [x5], x12
|
||||
st1 {v2.h}[3], [x5], x12
|
||||
st1 {v2.h}[5], [x5], x12
|
||||
st1 {v2.h}[7], [x5], x12
|
||||
st1 {v3.h}[1], [x5], x12
|
||||
st1 {v3.h}[3], [x5], x12
|
||||
st1 {v3.h}[5], [x5], x12
|
||||
st1 {v3.h}[7], [x5], x12
|
||||
b.gt 6b
|
||||
ret
|
||||
8:
|
||||
subs w9, w9, #8
|
||||
st1 {v0.h}[1], [x5], x12
|
||||
st1 {v0.h}[3], [x5], x12
|
||||
st1 {v0.h}[5], [x5], x12
|
||||
st1 {v0.h}[7], [x5], x12
|
||||
st1 {v1.h}[1], [x5], x12
|
||||
st1 {v1.h}[3], [x5], x12
|
||||
st1 {v1.h}[5], [x5], x12
|
||||
st1 {v1.h}[7], [x5], x12
|
||||
b.eq end
|
||||
ld1 {v0.4s}, [x4], #16
|
||||
fcvtzs v0.4s, v0.4s, #31
|
||||
ld1 {v1.4s}, [x4], #16
|
||||
fcvtzs v1.4s, v1.4s, #31
|
||||
b 6b
|
||||
end:
|
||||
ret
|
||||
endfunc
|
||||
29
externals/ffmpeg/libswresample/aarch64/neontest.c
vendored
Executable file
29
externals/ffmpeg/libswresample/aarch64/neontest.c
vendored
Executable file
@@ -0,0 +1,29 @@
|
||||
/*
|
||||
* check NEON registers for clobbers
|
||||
* Copyright (c) 2013 Martin Storsjo
|
||||
*
|
||||
* 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 "libswresample/swresample.h"
|
||||
#include "libavutil/aarch64/neontest.h"
|
||||
|
||||
wrap(swr_convert(struct SwrContext *s, uint8_t **out, int out_count,
|
||||
const uint8_t **in , int in_count))
|
||||
{
|
||||
testneonclobbers(swr_convert, s, out, out_count, in, in_count);
|
||||
}
|
||||
77
externals/ffmpeg/libswresample/aarch64/resample.S
vendored
Executable file
77
externals/ffmpeg/libswresample/aarch64/resample.S
vendored
Executable file
@@ -0,0 +1,77 @@
|
||||
/*
|
||||
* Copyright (c) 2017 Matthieu Bouron <matthieu.bouron gmail.com>
|
||||
*
|
||||
* 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/aarch64/asm.S"
|
||||
|
||||
function ff_resample_common_apply_filter_x4_float_neon, export=1
|
||||
movi v0.4S, #0 // accumulator
|
||||
1: ld1 {v1.4S}, [x1], #16 // src[0..3]
|
||||
ld1 {v2.4S}, [x2], #16 // filter[0..3]
|
||||
fmla v0.4S, v1.4S, v2.4S // accumulator += src[0..3] * filter[0..3]
|
||||
subs w3, w3, #4 // filter_length -= 4
|
||||
b.gt 1b // loop until filter_length
|
||||
faddp v0.4S, v0.4S, v0.4S // pair adding of the 4x32-bit accumulated values
|
||||
faddp v0.4S, v0.4S, v0.4S // pair adding of the 4x32-bit accumulated values
|
||||
st1 {v0.S}[0], [x0], #4 // write accumulator
|
||||
ret
|
||||
endfunc
|
||||
|
||||
function ff_resample_common_apply_filter_x8_float_neon, export=1
|
||||
movi v0.4S, #0 // accumulator
|
||||
1: ld1 {v1.4S}, [x1], #16 // src[0..3]
|
||||
ld1 {v2.4S}, [x2], #16 // filter[0..3]
|
||||
ld1 {v3.4S}, [x1], #16 // src[4..7]
|
||||
ld1 {v4.4S}, [x2], #16 // filter[4..7]
|
||||
fmla v0.4S, v1.4S, v2.4S // accumulator += src[0..3] * filter[0..3]
|
||||
fmla v0.4S, v3.4S, v4.4S // accumulator += src[4..7] * filter[4..7]
|
||||
subs w3, w3, #8 // filter_length -= 8
|
||||
b.gt 1b // loop until filter_length
|
||||
faddp v0.4S, v0.4S, v0.4S // pair adding of the 4x32-bit accumulated values
|
||||
faddp v0.4S, v0.4S, v0.4S // pair adding of the 4x32-bit accumulated values
|
||||
st1 {v0.S}[0], [x0], #4 // write accumulator
|
||||
ret
|
||||
endfunc
|
||||
|
||||
function ff_resample_common_apply_filter_x4_s16_neon, export=1
|
||||
movi v0.4S, #0 // accumulator
|
||||
1: ld1 {v1.4H}, [x1], #8 // src[0..3]
|
||||
ld1 {v2.4H}, [x2], #8 // filter[0..3]
|
||||
smlal v0.4S, v1.4H, v2.4H // accumulator += src[0..3] * filter[0..3]
|
||||
subs w3, w3, #4 // filter_length -= 4
|
||||
b.gt 1b // loop until filter_length
|
||||
addp v0.4S, v0.4S, v0.4S // pair adding of the 4x32-bit accumulated values
|
||||
addp v0.4S, v0.4S, v0.4S // pair adding of the 4x32-bit accumulated values
|
||||
st1 {v0.S}[0], [x0], #4 // write accumulator
|
||||
ret
|
||||
endfunc
|
||||
|
||||
function ff_resample_common_apply_filter_x8_s16_neon, export=1
|
||||
movi v0.4S, #0 // accumulator
|
||||
1: ld1 {v1.8H}, [x1], #16 // src[0..7]
|
||||
ld1 {v2.8H}, [x2], #16 // filter[0..7]
|
||||
smlal v0.4S, v1.4H, v2.4H // accumulator += src[0..3] * filter[0..3]
|
||||
smlal2 v0.4S, v1.8H, v2.8H // accumulator += src[4..7] * filter[4..7]
|
||||
subs w3, w3, #8 // filter_length -= 8
|
||||
b.gt 1b // loop until filter_length
|
||||
addp v0.4S, v0.4S, v0.4S // pair adding of the 4x32-bit accumulated values
|
||||
addp v0.4S, v0.4S, v0.4S // pair adding of the 4x32-bit accumulated values
|
||||
st1 {v0.S}[0], [x0], #4 // write accumulator
|
||||
ret
|
||||
endfunc
|
||||
120
externals/ffmpeg/libswresample/aarch64/resample_init.c
vendored
Executable file
120
externals/ffmpeg/libswresample/aarch64/resample_init.c
vendored
Executable file
@@ -0,0 +1,120 @@
|
||||
/*
|
||||
* Audio resampling
|
||||
*
|
||||
* Copyright (c) 2004-2012 Michael Niedermayer <michaelni@gmx.at>
|
||||
*
|
||||
* 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/cpu.h"
|
||||
#include "libavutil/avassert.h"
|
||||
|
||||
#include "libavutil/aarch64/cpu.h"
|
||||
#include "libswresample/resample.h"
|
||||
|
||||
#define DECLARE_RESAMPLE_COMMON_TEMPLATE(TYPE, DELEM, FELEM, FELEM2, OUT) \
|
||||
\
|
||||
void ff_resample_common_apply_filter_x4_##TYPE##_neon(FELEM2 *acc, const DELEM *src, \
|
||||
const FELEM *filter, int length); \
|
||||
\
|
||||
void ff_resample_common_apply_filter_x8_##TYPE##_neon(FELEM2 *acc, const DELEM *src, \
|
||||
const FELEM *filter, int length); \
|
||||
\
|
||||
static int ff_resample_common_##TYPE##_neon(ResampleContext *c, void *dest, const void *source, \
|
||||
int n, int update_ctx) \
|
||||
{ \
|
||||
DELEM *dst = dest; \
|
||||
const DELEM *src = source; \
|
||||
int dst_index; \
|
||||
int index = c->index; \
|
||||
int frac = c->frac; \
|
||||
int sample_index = 0; \
|
||||
int x4_aligned_filter_length = c->filter_length & ~3; \
|
||||
int x8_aligned_filter_length = c->filter_length & ~7; \
|
||||
\
|
||||
while (index >= c->phase_count) { \
|
||||
sample_index++; \
|
||||
index -= c->phase_count; \
|
||||
} \
|
||||
\
|
||||
for (dst_index = 0; dst_index < n; dst_index++) { \
|
||||
FELEM *filter = ((FELEM *) c->filter_bank) + c->filter_alloc * index; \
|
||||
\
|
||||
FELEM2 val = 0; \
|
||||
int i = 0; \
|
||||
if (x8_aligned_filter_length >= 8) { \
|
||||
ff_resample_common_apply_filter_x8_##TYPE##_neon(&val, &src[sample_index], \
|
||||
filter, x8_aligned_filter_length); \
|
||||
i += x8_aligned_filter_length; \
|
||||
\
|
||||
} else if (x4_aligned_filter_length >= 4) { \
|
||||
ff_resample_common_apply_filter_x4_##TYPE##_neon(&val, &src[sample_index], \
|
||||
filter, x4_aligned_filter_length); \
|
||||
i += x4_aligned_filter_length; \
|
||||
} \
|
||||
for (; i < c->filter_length; i++) { \
|
||||
val += src[sample_index + i] * (FELEM2)filter[i]; \
|
||||
} \
|
||||
OUT(dst[dst_index], val); \
|
||||
\
|
||||
frac += c->dst_incr_mod; \
|
||||
index += c->dst_incr_div; \
|
||||
if (frac >= c->src_incr) { \
|
||||
frac -= c->src_incr; \
|
||||
index++; \
|
||||
} \
|
||||
\
|
||||
while (index >= c->phase_count) { \
|
||||
sample_index++; \
|
||||
index -= c->phase_count; \
|
||||
} \
|
||||
} \
|
||||
\
|
||||
if (update_ctx) { \
|
||||
c->frac = frac; \
|
||||
c->index = index; \
|
||||
} \
|
||||
\
|
||||
return sample_index; \
|
||||
} \
|
||||
|
||||
#define OUT(d, v) d = v
|
||||
DECLARE_RESAMPLE_COMMON_TEMPLATE(float, float, float, float, OUT)
|
||||
#undef OUT
|
||||
|
||||
#define OUT(d, v) (v) = ((v) + (1<<(14)))>>15; (d) = av_clip_int16(v)
|
||||
DECLARE_RESAMPLE_COMMON_TEMPLATE(s16, int16_t, int16_t, int32_t, OUT)
|
||||
#undef OUT
|
||||
|
||||
av_cold void swri_resample_dsp_aarch64_init(ResampleContext *c)
|
||||
{
|
||||
int cpu_flags = av_get_cpu_flags();
|
||||
|
||||
if (!have_neon(cpu_flags))
|
||||
return;
|
||||
|
||||
switch(c->format) {
|
||||
case AV_SAMPLE_FMT_FLTP:
|
||||
c->dsp.resample_common = ff_resample_common_float_neon;
|
||||
break;
|
||||
case AV_SAMPLE_FMT_S16P:
|
||||
c->dsp.resample_common = ff_resample_common_s16_neon;
|
||||
break;
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user