mirror of
https://github.com/FFmpeg/FFmpeg.git
synced 2024-12-18 03:19:31 +02:00
686959e87e
* qatar/master: doxygen: Consistently use '@' instead of '\' for Doxygen markup. Use av_printf_format to check the usage of printf style functions Add av_printf_format, for marking printf style format strings and their parameters ARM: enable thumb for Cortex-M* CPUs nsvdec: Propagate error values instead of returning 0 in nsv_read_header(). build: remove SRC_PATH_BARE variable build: move basic rules and variables to main Makefile build: move special targets to end of main Makefile lavdev: improve feedback in case of invalid frame rate/size vfwcap: prefer "framerate_q" over "fps" in vfw_read_header() v4l2: prefer "framerate_q" over "fps" in v4l2_set_parameters() fbdev: prefer "framerate_q" over "fps" in device context bktr: prefer "framerate" over "fps" for grab_read_header() ALSA: implement channel layout for playback. alsa: support unsigned variants of already supported signed formats. alsa: add support for more formats. ARM: allow building in Thumb2 mode Conflicts: common.mak doc/APIchanges libavcodec/vdpau.h libavdevice/alsa-audio-common.c libavdevice/fbdev.c libavdevice/libdc1394.c libavutil/avutil.h Merged-by: Michael Niedermayer <michaelni@gmx.at>
62 lines
2.1 KiB
ArmAsm
62 lines
2.1 KiB
ArmAsm
/*
|
|
* Copyright (c) 2010 Mans Rullgard <mans@mansr.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 "asm.S"
|
|
|
|
function ff_dca_lfe_fir_neon, export=1
|
|
push {r4-r6,lr}
|
|
|
|
add r4, r0, r3, lsl #2 @ out2
|
|
add r5, r2, #256*4-16 @ cf1
|
|
sub r1, r1, #12
|
|
cmp r3, #32
|
|
ite eq
|
|
moveq r6, #256/32
|
|
movne r6, #256/64
|
|
NOVFP vldr s0, [sp, #16] @ scale
|
|
mov lr, #-16
|
|
1:
|
|
vmov.f32 q2, #0.0 @ v0
|
|
vmov.f32 q3, #0.0 @ v1
|
|
mov r12, r6
|
|
2:
|
|
vld1.32 {q8}, [r2,:128]! @ cf0
|
|
vld1.32 {q9}, [r5,:128], lr @ cf1
|
|
vld1.32 {q1}, [r1], lr @ in
|
|
subs r12, r12, #4
|
|
vrev64.32 q10, q8
|
|
vmla.f32 q3, q1, q9
|
|
vmla.f32 d4, d2, d21
|
|
vmla.f32 d5, d3, d20
|
|
bne 2b
|
|
|
|
add r1, r1, r6, lsl #2
|
|
subs r3, r3, #1
|
|
vadd.f32 d4, d4, d5
|
|
vadd.f32 d6, d6, d7
|
|
vpadd.f32 d4, d4, d6
|
|
vmul.f32 d5, d4, d0[0]
|
|
vst1.32 {d5[0]}, [r0,:32]!
|
|
vst1.32 {d5[1]}, [r4,:32]!
|
|
bne 1b
|
|
|
|
pop {r4-r6,pc}
|
|
endfunc
|