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Regard whitespace Rev 4348 → Rev 4349

/contrib/sdk/sources/ffmpeg/libswresample/arm/Makefile
0,0 → 1,2
OBJS += arm/audio_convert_init.o
NEON-OBJS += arm/audio_convert_neon.o
/contrib/sdk/sources/ffmpeg/libswresample/arm/audio_convert_init.c
0,0 → 1,67
/*
* This file is part of libswresample.
*
* libswresample 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.
*
* 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
*/
 
#include <stdint.h>
 
#include "config.h"
#include "libavutil/attributes.h"
#include "libavutil/cpu.h"
#include "libavutil/arm/cpu.h"
#include "libavutil/samplefmt.h"
#include "libswresample/swresample_internal.h"
#include "libswresample/audioconvert.h"
 
void swri_oldapi_conv_flt_to_s16_neon(int16_t *dst, const float *src, int len);
void swri_oldapi_conv_fltp_to_s16_2ch_neon(int16_t *dst, float *const *src, int len, int channels);
void swri_oldapi_conv_fltp_to_s16_nch_neon(int16_t *dst, float *const *src, int len, int channels);
 
static void conv_flt_to_s16_neon(uint8_t **dst, const uint8_t **src, int len){
swri_oldapi_conv_flt_to_s16_neon((int16_t*)*dst, (const float*)*src, len);
}
 
static void conv_fltp_to_s16_2ch_neon(uint8_t **dst, const uint8_t **src, int len){
swri_oldapi_conv_fltp_to_s16_2ch_neon((int16_t*)*dst, (float *const*)src, len, 2);
}
 
static void conv_fltp_to_s16_nch_neon(uint8_t **dst, const uint8_t **src, int len){
int channels;
for(channels=3; channels<SWR_CH_MAX && src[channels]; channels++)
;
swri_oldapi_conv_fltp_to_s16_nch_neon((int16_t*)*dst, (float *const*)src, len, channels);
}
 
av_cold void swri_audio_convert_init_arm(struct AudioConvert *ac,
enum AVSampleFormat out_fmt,
enum AVSampleFormat in_fmt,
int channels)
{
int cpu_flags = av_get_cpu_flags();
 
ac->simd_f= NULL;
 
if (have_neon(cpu_flags)) {
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)
ac->simd_f = conv_flt_to_s16_neon;
if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels == 2)
ac->simd_f = conv_fltp_to_s16_2ch_neon;
if(out_fmt == AV_SAMPLE_FMT_S16 && in_fmt == AV_SAMPLE_FMT_FLTP && channels > 2)
ac->simd_f = conv_fltp_to_s16_nch_neon;
if(ac->simd_f)
ac->in_simd_align_mask = ac->out_simd_align_mask = 15;
}
}
/contrib/sdk/sources/ffmpeg/libswresample/arm/audio_convert_neon.S
0,0 → 1,363
/*
* Copyright (c) 2008 Mans Rullgard <mans@mansr.com>
*
* This file is part of libswresample.
*
* libswresample 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.
*
* 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
*/
 
#include "config.h"
#include "libavutil/arm/asm.S"
 
function swri_oldapi_conv_flt_to_s16_neon, export=1
subs r2, r2, #8
vld1.32 {q0}, [r1,:128]!
vcvt.s32.f32 q8, q0, #31
vld1.32 {q1}, [r1,:128]!
vcvt.s32.f32 q9, q1, #31
beq 3f
bics r12, r2, #15
beq 2f
1: subs r12, r12, #16
vqrshrn.s32 d4, q8, #16
vld1.32 {q0}, [r1,:128]!
vcvt.s32.f32 q0, q0, #31
vqrshrn.s32 d5, q9, #16
vld1.32 {q1}, [r1,:128]!
vcvt.s32.f32 q1, q1, #31
vqrshrn.s32 d6, q0, #16
vst1.16 {q2}, [r0,:128]!
vqrshrn.s32 d7, q1, #16
vld1.32 {q8}, [r1,:128]!
vcvt.s32.f32 q8, q8, #31
vld1.32 {q9}, [r1,:128]!
vcvt.s32.f32 q9, q9, #31
vst1.16 {q3}, [r0,:128]!
bne 1b
ands r2, r2, #15
beq 3f
2: vld1.32 {q0}, [r1,:128]!
vqrshrn.s32 d4, q8, #16
vcvt.s32.f32 q0, q0, #31
vld1.32 {q1}, [r1,:128]!
vqrshrn.s32 d5, q9, #16
vcvt.s32.f32 q1, q1, #31
vqrshrn.s32 d6, q0, #16
vst1.16 {q2}, [r0,:128]!
vqrshrn.s32 d7, q1, #16
vst1.16 {q3}, [r0,:128]!
bx lr
3: vqrshrn.s32 d4, q8, #16
vqrshrn.s32 d5, q9, #16
vst1.16 {q2}, [r0,:128]!
bx lr
endfunc
 
function swri_oldapi_conv_fltp_to_s16_2ch_neon, export=1
ldm r1, {r1, r3}
subs r2, r2, #8
vld1.32 {q0}, [r1,:128]!
vcvt.s32.f32 q8, q0, #31
vld1.32 {q1}, [r1,:128]!
vcvt.s32.f32 q9, q1, #31
vld1.32 {q10}, [r3,:128]!
vcvt.s32.f32 q10, q10, #31
vld1.32 {q11}, [r3,:128]!
vcvt.s32.f32 q11, q11, #31
beq 3f
bics r12, r2, #15
beq 2f
1: subs r12, r12, #16
vld1.32 {q0}, [r1,:128]!
vcvt.s32.f32 q0, q0, #31
vsri.32 q10, q8, #16
vld1.32 {q1}, [r1,:128]!
vcvt.s32.f32 q1, q1, #31
vld1.32 {q12}, [r3,:128]!
vcvt.s32.f32 q12, q12, #31
vld1.32 {q13}, [r3,:128]!
vsri.32 q11, q9, #16
vst1.16 {q10}, [r0,:128]!
vcvt.s32.f32 q13, q13, #31
vst1.16 {q11}, [r0,:128]!
vsri.32 q12, q0, #16
vld1.32 {q8}, [r1,:128]!
vsri.32 q13, q1, #16
vst1.16 {q12}, [r0,:128]!
vcvt.s32.f32 q8, q8, #31
vld1.32 {q9}, [r1,:128]!
vcvt.s32.f32 q9, q9, #31
vld1.32 {q10}, [r3,:128]!
vcvt.s32.f32 q10, q10, #31
vld1.32 {q11}, [r3,:128]!
vcvt.s32.f32 q11, q11, #31
vst1.16 {q13}, [r0,:128]!
bne 1b
ands r2, r2, #15
beq 3f
2: vsri.32 q10, q8, #16
vld1.32 {q0}, [r1,:128]!
vcvt.s32.f32 q0, q0, #31
vld1.32 {q1}, [r1,:128]!
vcvt.s32.f32 q1, q1, #31
vld1.32 {q12}, [r3,:128]!
vcvt.s32.f32 q12, q12, #31
vsri.32 q11, q9, #16
vld1.32 {q13}, [r3,:128]!
vcvt.s32.f32 q13, q13, #31
vst1.16 {q10}, [r0,:128]!
vsri.32 q12, q0, #16
vst1.16 {q11}, [r0,:128]!
vsri.32 q13, q1, #16
vst1.16 {q12-q13},[r0,:128]!
bx lr
3: vsri.32 q10, q8, #16
vsri.32 q11, q9, #16
vst1.16 {q10-q11},[r0,:128]!
bx lr
endfunc
 
function swri_oldapi_conv_fltp_to_s16_nch_neon, export=1
cmp r3, #2
itt lt
ldrlt r1, [r1]
blt swri_oldapi_conv_flt_to_s16_neon
beq swri_oldapi_conv_fltp_to_s16_2ch_neon
 
push {r4-r8, lr}
cmp r3, #4
lsl r12, r3, #1
blt 4f
 
@ 4 channels
5: ldm r1!, {r4-r7}
mov lr, r2
mov r8, r0
vld1.32 {q8}, [r4,:128]!
vcvt.s32.f32 q8, q8, #31
vld1.32 {q9}, [r5,:128]!
vcvt.s32.f32 q9, q9, #31
vld1.32 {q10}, [r6,:128]!
vcvt.s32.f32 q10, q10, #31
vld1.32 {q11}, [r7,:128]!
vcvt.s32.f32 q11, q11, #31
6: subs lr, lr, #8
vld1.32 {q0}, [r4,:128]!
vcvt.s32.f32 q0, q0, #31
vsri.32 q9, q8, #16
vld1.32 {q1}, [r5,:128]!
vcvt.s32.f32 q1, q1, #31
vsri.32 q11, q10, #16
vld1.32 {q2}, [r6,:128]!
vcvt.s32.f32 q2, q2, #31
vzip.32 d18, d22
vld1.32 {q3}, [r7,:128]!
vcvt.s32.f32 q3, q3, #31
vzip.32 d19, d23
vst1.16 {d18}, [r8], r12
vsri.32 q1, q0, #16
vst1.16 {d22}, [r8], r12
vsri.32 q3, q2, #16
vst1.16 {d19}, [r8], r12
vzip.32 d2, d6
vst1.16 {d23}, [r8], r12
vzip.32 d3, d7
beq 7f
vld1.32 {q8}, [r4,:128]!
vcvt.s32.f32 q8, q8, #31
vst1.16 {d2}, [r8], r12
vld1.32 {q9}, [r5,:128]!
vcvt.s32.f32 q9, q9, #31
vst1.16 {d6}, [r8], r12
vld1.32 {q10}, [r6,:128]!
vcvt.s32.f32 q10, q10, #31
vst1.16 {d3}, [r8], r12
vld1.32 {q11}, [r7,:128]!
vcvt.s32.f32 q11, q11, #31
vst1.16 {d7}, [r8], r12
b 6b
7: vst1.16 {d2}, [r8], r12
vst1.16 {d6}, [r8], r12
vst1.16 {d3}, [r8], r12
vst1.16 {d7}, [r8], r12
subs r3, r3, #4
it eq
popeq {r4-r8, pc}
cmp r3, #4
add r0, r0, #8
bge 5b
 
@ 2 channels
4: cmp r3, #2
blt 4f
ldm r1!, {r4-r5}
mov lr, r2
mov r8, r0
tst lr, #8
vld1.32 {q8}, [r4,:128]!
vcvt.s32.f32 q8, q8, #31
vld1.32 {q9}, [r5,:128]!
vcvt.s32.f32 q9, q9, #31
vld1.32 {q10}, [r4,:128]!
vcvt.s32.f32 q10, q10, #31
vld1.32 {q11}, [r5,:128]!
vcvt.s32.f32 q11, q11, #31
beq 6f
subs lr, lr, #8
beq 7f
vsri.32 d18, d16, #16
vsri.32 d19, d17, #16
vld1.32 {q8}, [r4,:128]!
vcvt.s32.f32 q8, q8, #31
vst1.32 {d18[0]}, [r8], r12
vsri.32 d22, d20, #16
vst1.32 {d18[1]}, [r8], r12
vsri.32 d23, d21, #16
vst1.32 {d19[0]}, [r8], r12
vst1.32 {d19[1]}, [r8], r12
vld1.32 {q9}, [r5,:128]!
vcvt.s32.f32 q9, q9, #31
vst1.32 {d22[0]}, [r8], r12
vst1.32 {d22[1]}, [r8], r12
vld1.32 {q10}, [r4,:128]!
vcvt.s32.f32 q10, q10, #31
vst1.32 {d23[0]}, [r8], r12
vst1.32 {d23[1]}, [r8], r12
vld1.32 {q11}, [r5,:128]!
vcvt.s32.f32 q11, q11, #31
6: subs lr, lr, #16
vld1.32 {q0}, [r4,:128]!
vcvt.s32.f32 q0, q0, #31
vsri.32 d18, d16, #16
vld1.32 {q1}, [r5,:128]!
vcvt.s32.f32 q1, q1, #31
vsri.32 d19, d17, #16
vld1.32 {q2}, [r4,:128]!
vcvt.s32.f32 q2, q2, #31
vld1.32 {q3}, [r5,:128]!
vcvt.s32.f32 q3, q3, #31
vst1.32 {d18[0]}, [r8], r12
vsri.32 d22, d20, #16
vst1.32 {d18[1]}, [r8], r12
vsri.32 d23, d21, #16
vst1.32 {d19[0]}, [r8], r12
vsri.32 d2, d0, #16
vst1.32 {d19[1]}, [r8], r12
vsri.32 d3, d1, #16
vst1.32 {d22[0]}, [r8], r12
vsri.32 d6, d4, #16
vst1.32 {d22[1]}, [r8], r12
vsri.32 d7, d5, #16
vst1.32 {d23[0]}, [r8], r12
vst1.32 {d23[1]}, [r8], r12
beq 6f
vld1.32 {q8}, [r4,:128]!
vcvt.s32.f32 q8, q8, #31
vst1.32 {d2[0]}, [r8], r12
vst1.32 {d2[1]}, [r8], r12
vld1.32 {q9}, [r5,:128]!
vcvt.s32.f32 q9, q9, #31
vst1.32 {d3[0]}, [r8], r12
vst1.32 {d3[1]}, [r8], r12
vld1.32 {q10}, [r4,:128]!
vcvt.s32.f32 q10, q10, #31
vst1.32 {d6[0]}, [r8], r12
vst1.32 {d6[1]}, [r8], r12
vld1.32 {q11}, [r5,:128]!
vcvt.s32.f32 q11, q11, #31
vst1.32 {d7[0]}, [r8], r12
vst1.32 {d7[1]}, [r8], r12
bgt 6b
6: vst1.32 {d2[0]}, [r8], r12
vst1.32 {d2[1]}, [r8], r12
vst1.32 {d3[0]}, [r8], r12
vst1.32 {d3[1]}, [r8], r12
vst1.32 {d6[0]}, [r8], r12
vst1.32 {d6[1]}, [r8], r12
vst1.32 {d7[0]}, [r8], r12
vst1.32 {d7[1]}, [r8], r12
b 8f
7: vsri.32 d18, d16, #16
vsri.32 d19, d17, #16
vst1.32 {d18[0]}, [r8], r12
vsri.32 d22, d20, #16
vst1.32 {d18[1]}, [r8], r12
vsri.32 d23, d21, #16
vst1.32 {d19[0]}, [r8], r12
vst1.32 {d19[1]}, [r8], r12
vst1.32 {d22[0]}, [r8], r12
vst1.32 {d22[1]}, [r8], r12
vst1.32 {d23[0]}, [r8], r12
vst1.32 {d23[1]}, [r8], r12
8: subs r3, r3, #2
add r0, r0, #4
it eq
popeq {r4-r8, pc}
 
@ 1 channel
4: ldr r4, [r1]
tst r2, #8
mov lr, r2
mov r5, r0
vld1.32 {q0}, [r4,:128]!
vcvt.s32.f32 q0, q0, #31
vld1.32 {q1}, [r4,:128]!
vcvt.s32.f32 q1, q1, #31
bne 8f
6: subs lr, lr, #16
vld1.32 {q2}, [r4,:128]!
vcvt.s32.f32 q2, q2, #31
vld1.32 {q3}, [r4,:128]!
vcvt.s32.f32 q3, q3, #31
vst1.16 {d0[1]}, [r5,:16], r12
vst1.16 {d0[3]}, [r5,:16], r12
vst1.16 {d1[1]}, [r5,:16], r12
vst1.16 {d1[3]}, [r5,:16], r12
vst1.16 {d2[1]}, [r5,:16], r12
vst1.16 {d2[3]}, [r5,:16], r12
vst1.16 {d3[1]}, [r5,:16], r12
vst1.16 {d3[3]}, [r5,:16], r12
beq 7f
vld1.32 {q0}, [r4,:128]!
vcvt.s32.f32 q0, q0, #31
vld1.32 {q1}, [r4,:128]!
vcvt.s32.f32 q1, q1, #31
7: vst1.16 {d4[1]}, [r5,:16], r12
vst1.16 {d4[3]}, [r5,:16], r12
vst1.16 {d5[1]}, [r5,:16], r12
vst1.16 {d5[3]}, [r5,:16], r12
vst1.16 {d6[1]}, [r5,:16], r12
vst1.16 {d6[3]}, [r5,:16], r12
vst1.16 {d7[1]}, [r5,:16], r12
vst1.16 {d7[3]}, [r5,:16], r12
bgt 6b
pop {r4-r8, pc}
8: subs lr, lr, #8
vst1.16 {d0[1]}, [r5,:16], r12
vst1.16 {d0[3]}, [r5,:16], r12
vst1.16 {d1[1]}, [r5,:16], r12
vst1.16 {d1[3]}, [r5,:16], r12
vst1.16 {d2[1]}, [r5,:16], r12
vst1.16 {d2[3]}, [r5,:16], r12
vst1.16 {d3[1]}, [r5,:16], r12
vst1.16 {d3[3]}, [r5,:16], r12
it eq
popeq {r4-r8, pc}
vld1.32 {q0}, [r4,:128]!
vcvt.s32.f32 q0, q0, #31
vld1.32 {q1}, [r4,:128]!
vcvt.s32.f32 q1, q1, #31
b 6b
endfunc