From 8992cb1d0d07edc33d274f6d7924ecdf6f83d994 Mon Sep 17 00:00:00 2001 From: Tim Redfern Date: Thu, 5 Sep 2013 17:57:22 +0100 Subject: making act segmenter --- ffmpeg/libavcodec/arm/aac.h | 143 ++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 143 insertions(+) create mode 100644 ffmpeg/libavcodec/arm/aac.h (limited to 'ffmpeg/libavcodec/arm/aac.h') diff --git a/ffmpeg/libavcodec/arm/aac.h b/ffmpeg/libavcodec/arm/aac.h new file mode 100644 index 0000000..cafa881 --- /dev/null +++ b/ffmpeg/libavcodec/arm/aac.h @@ -0,0 +1,143 @@ +/* + * Copyright (c) 2010 Mans Rullgard + * + * 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 + */ + +#ifndef AVCODEC_ARM_AAC_H +#define AVCODEC_ARM_AAC_H + +#include "config.h" + +#if HAVE_NEON_INLINE + +#define VMUL2 VMUL2 +static inline float *VMUL2(float *dst, const float *v, unsigned idx, + const float *scale) +{ + unsigned v0, v1; + __asm__ ("ubfx %0, %6, #0, #4 \n\t" + "ubfx %1, %6, #4, #4 \n\t" + "ldr %0, [%5, %0, lsl #2] \n\t" + "ldr %1, [%5, %1, lsl #2] \n\t" + "vld1.32 {d1[]}, [%7,:32] \n\t" + "vmov d0, %0, %1 \n\t" + "vmul.f32 d0, d0, d1 \n\t" + "vst1.32 {d0}, [%2,:64]! \n\t" + : "=&r"(v0), "=&r"(v1), "+r"(dst), "=m"(dst[0]), "=m"(dst[1]) + : "r"(v), "r"(idx), "r"(scale) + : "d0", "d1"); + return dst; +} + +#define VMUL4 VMUL4 +static inline float *VMUL4(float *dst, const float *v, unsigned idx, + const float *scale) +{ + unsigned v0, v1, v2, v3; + __asm__ ("ubfx %0, %10, #0, #2 \n\t" + "ubfx %1, %10, #2, #2 \n\t" + "ldr %0, [%9, %0, lsl #2] \n\t" + "ubfx %2, %10, #4, #2 \n\t" + "ldr %1, [%9, %1, lsl #2] \n\t" + "ubfx %3, %10, #6, #2 \n\t" + "ldr %2, [%9, %2, lsl #2] \n\t" + "vmov d0, %0, %1 \n\t" + "ldr %3, [%9, %3, lsl #2] \n\t" + "vld1.32 {d2[],d3[]},[%11,:32] \n\t" + "vmov d1, %2, %3 \n\t" + "vmul.f32 q0, q0, q1 \n\t" + "vst1.32 {q0}, [%4,:128]! \n\t" + : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), + "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) + : "r"(v), "r"(idx), "r"(scale) + : "d0", "d1", "d2", "d3"); + return dst; +} + +#define VMUL2S VMUL2S +static inline float *VMUL2S(float *dst, const float *v, unsigned idx, + unsigned sign, const float *scale) +{ + unsigned v0, v1, v2, v3; + __asm__ ("ubfx %0, %8, #0, #4 \n\t" + "ubfx %1, %8, #4, #4 \n\t" + "ldr %0, [%7, %0, lsl #2] \n\t" + "lsl %2, %10, #30 \n\t" + "ldr %1, [%7, %1, lsl #2] \n\t" + "lsl %3, %10, #31 \n\t" + "vmov d0, %0, %1 \n\t" + "bic %2, %2, #1<<30 \n\t" + "vld1.32 {d1[]}, [%9,:32] \n\t" + "vmov d2, %2, %3 \n\t" + "veor d0, d0, d2 \n\t" + "vmul.f32 d0, d0, d1 \n\t" + "vst1.32 {d0}, [%4,:64]! \n\t" + : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), + "=m"(dst[0]), "=m"(dst[1]) + : "r"(v), "r"(idx), "r"(scale), "r"(sign) + : "d0", "d1", "d2"); + return dst; +} + +#define VMUL4S VMUL4S +static inline float *VMUL4S(float *dst, const float *v, unsigned idx, + unsigned sign, const float *scale) +{ + unsigned v0, v1, v2, v3, nz; + __asm__ ("vld1.32 {d2[],d3[]},[%13,:32] \n\t" + "ubfx %0, %12, #0, #2 \n\t" + "ubfx %1, %12, #2, #2 \n\t" + "ldr %0, [%11,%0, lsl #2] \n\t" + "ubfx %2, %12, #4, #2 \n\t" + "ldr %1, [%11,%1, lsl #2] \n\t" + "ubfx %3, %12, #6, #2 \n\t" + "ldr %2, [%11,%2, lsl #2] \n\t" + "vmov d0, %0, %1 \n\t" + "ldr %3, [%11,%3, lsl #2] \n\t" + "lsr %6, %12, #12 \n\t" + "rbit %6, %6 \n\t" + "vmov d1, %2, %3 \n\t" + "lsls %6, %6, #1 \n\t" + "and %0, %5, #1<<31 \n\t" + "it cs \n\t" + "lslcs %5, %5, #1 \n\t" + "lsls %6, %6, #1 \n\t" + "and %1, %5, #1<<31 \n\t" + "it cs \n\t" + "lslcs %5, %5, #1 \n\t" + "lsls %6, %6, #1 \n\t" + "and %2, %5, #1<<31 \n\t" + "it cs \n\t" + "lslcs %5, %5, #1 \n\t" + "vmov d4, %0, %1 \n\t" + "and %3, %5, #1<<31 \n\t" + "vmov d5, %2, %3 \n\t" + "veor q0, q0, q2 \n\t" + "vmul.f32 q0, q0, q1 \n\t" + "vst1.32 {q0}, [%4,:128]! \n\t" + : "=&r"(v0), "=&r"(v1), "=&r"(v2), "=&r"(v3), "+r"(dst), + "+r"(sign), "=r"(nz), + "=m"(dst[0]), "=m"(dst[1]), "=m"(dst[2]), "=m"(dst[3]) + : "r"(v), "r"(idx), "r"(scale) + : "cc", "d0", "d1", "d2", "d3", "d4", "d5"); + return dst; +} + +#endif /* HAVE_NEON_INLINE */ + +#endif /* AVCODEC_ARM_AAC_H */ -- cgit v1.2.3