mirror of https://github.com/FFmpeg/FFmpeg.git
Now, nellymoserenc and aacenc no longer depends on dsputil. Independent of this patch, wmaprodec also does not depend on dsputil, so I removed it from there also.pull/28/head^2
Ronald S. Bultje
12 years ago
parent
55aa03b9f8
commit
42d3246948
32 changed files with 231 additions and 310 deletions
@ -1,30 +0,0 @@ |
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/*
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* Copyright (c) 2008 Siarhei Siamashka <ssvb@users.sourceforge.net> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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 "libavcodec/dsputil.h" |
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#include "dsputil_arm.h" |
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void ff_vector_fmul_reverse_vfp(float *dst, const float *src0, |
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const float *src1, int len); |
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void ff_dsputil_init_vfp(DSPContext* c, AVCodecContext *avctx) |
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{ |
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c->vector_fmul_reverse = ff_vector_fmul_reverse_vfp; |
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} |
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@ -1,106 +0,0 @@ |
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/* |
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* Copyright (c) 2008 Siarhei Siamashka <ssvb@users.sourceforge.net>
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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/asm.S" |
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/* |
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* VFP is a floating point coprocessor used in some ARM cores. VFP11 has 1 cycle |
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* throughput for almost all the instructions (except for double precision |
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* arithmetics), but rather high latency. Latency is 4 cycles for loads and 8 cycles |
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* for arithmetic operations. Scheduling code to avoid pipeline stalls is very |
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* important for performance. One more interesting feature is that VFP has |
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* independent load/store and arithmetics pipelines, so it is possible to make |
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* them work simultaneously and get more than 1 operation per cycle. Load/store |
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* pipeline can process 2 single precision floating point values per cycle and |
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* supports bulk loads and stores for large sets of registers. Arithmetic operations |
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* can be done on vectors, which allows to keep the arithmetics pipeline busy, |
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* while the processor may issue and execute other instructions. Detailed |
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* optimization manuals can be found at http://www.arm.com |
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*/ |
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/** |
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* ARM VFP optimized implementation of 'vector_fmul_reverse_c' function. |
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* Assume that len is a positive number and is multiple of 8 |
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*/ |
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@ void ff_vector_fmul_reverse_vfp(float *dst, const float *src0,
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@ const float *src1, int len)
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function ff_vector_fmul_reverse_vfp, export=1 |
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vpush {d8-d15} |
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add r2, r2, r3, lsl #2 |
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vldmdb r2!, {s0-s3} |
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vldmia r1!, {s8-s11} |
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vldmdb r2!, {s4-s7} |
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vldmia r1!, {s12-s15} |
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vmul.f32 s8, s3, s8 |
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vmul.f32 s9, s2, s9 |
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vmul.f32 s10, s1, s10 |
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vmul.f32 s11, s0, s11 |
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1: |
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subs r3, r3, #16 |
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it ge |
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vldmdbge r2!, {s16-s19} |
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vmul.f32 s12, s7, s12 |
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it ge |
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vldmiage r1!, {s24-s27} |
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vmul.f32 s13, s6, s13 |
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it ge |
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vldmdbge r2!, {s20-s23} |
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vmul.f32 s14, s5, s14 |
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it ge |
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vldmiage r1!, {s28-s31} |
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vmul.f32 s15, s4, s15 |
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it ge |
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vmulge.f32 s24, s19, s24 |
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it gt |
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vldmdbgt r2!, {s0-s3} |
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it ge |
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vmulge.f32 s25, s18, s25 |
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vstmia r0!, {s8-s13} |
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it ge |
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vmulge.f32 s26, s17, s26 |
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it gt |
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vldmiagt r1!, {s8-s11} |
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itt ge |
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vmulge.f32 s27, s16, s27 |
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vmulge.f32 s28, s23, s28 |
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it gt |
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vldmdbgt r2!, {s4-s7} |
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it ge |
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vmulge.f32 s29, s22, s29 |
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vstmia r0!, {s14-s15} |
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ittt ge |
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vmulge.f32 s30, s21, s30 |
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vmulge.f32 s31, s20, s31 |
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vmulge.f32 s8, s3, s8 |
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it gt |
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vldmiagt r1!, {s12-s15} |
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itttt ge |
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vmulge.f32 s9, s2, s9 |
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vmulge.f32 s10, s1, s10 |
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vstmiage r0!, {s24-s27} |
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vmulge.f32 s11, s0, s11 |
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it ge |
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vstmiage r0!, {s28-s31} |
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bgt 1b |
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vpop {d8-d15} |
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bx lr |
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endfunc |
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@ -1,57 +0,0 @@ |
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/*
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* Copyright (c) 2006 Luca Barbato <lu_zero@gentoo.org> |
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* |
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* This file is part of Libav. |
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* |
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* Libav 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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* Libav 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 Libav; 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/ppc/util_altivec.h" |
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#include "libavcodec/dsputil.h" |
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#include "dsputil_altivec.h" |
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static void vector_fmul_reverse_altivec(float *dst, const float *src0, |
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const float *src1, int len) |
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{ |
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int i; |
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vector float d, s0, s1, h0, l0, |
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s2, s3, zero = (vector float)vec_splat_u32(0); |
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src1 += len-4; |
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for(i=0; i<len-7; i+=8) { |
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s1 = vec_ld(0, src1-i); // [a,b,c,d]
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s0 = vec_ld(0, src0+i); |
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l0 = vec_mergel(s1, s1); // [c,c,d,d]
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s3 = vec_ld(-16, src1-i); |
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h0 = vec_mergeh(s1, s1); // [a,a,b,b]
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s2 = vec_ld(16, src0+i); |
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s1 = vec_mergeh(vec_mergel(l0,h0), // [d,b,d,b]
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vec_mergeh(l0,h0)); // [c,a,c,a]
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// [d,c,b,a]
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l0 = vec_mergel(s3, s3); |
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d = vec_madd(s0, s1, zero); |
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h0 = vec_mergeh(s3, s3); |
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vec_st(d, 0, dst+i); |
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s3 = vec_mergeh(vec_mergel(l0,h0), |
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vec_mergeh(l0,h0)); |
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d = vec_madd(s2, s3, zero); |
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vec_st(d, 16, dst+i); |
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} |
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} |
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void ff_float_init_altivec(DSPContext* c, AVCodecContext *avctx) |
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{ |
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c->vector_fmul_reverse = vector_fmul_reverse_altivec; |
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} |
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