mirror of https://git.videolan.org/git/ffmpeg.git
Utility functions (CRC calc & float->int converters)
[imported from MPlayer, based on a52dec's libao] Originally committed as revision 1780 to svn://svn.ffmpeg.org/ffmpeg/trunk
This commit is contained in:
Arpi
parent
6814a25c67
commit
1a7c3c8562
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@ -118,6 +118,8 @@ void a52_upmix (sample_t * samples, int acmod, int output);
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void a52_imdct_init (uint32_t mm_accel);
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void a52_imdct_256 (sample_t * data, sample_t * delay, sample_t bias);
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void a52_imdct_512 (sample_t * data, sample_t * delay, sample_t bias);
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//extern void (* a52_imdct_256) (sample_t data[], sample_t delay[], sample_t bias);
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//extern void (* a52_imdct_512) (sample_t data[], sample_t delay[], sample_t bias);
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#define ROUND(x) ((int)((x) + ((x) > 0 ? 0.5 : -0.5)))
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@ -0,0 +1,32 @@
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/*
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* a52_util.h
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* Copyright (C) 2000-2003 Michel Lespinasse <walken@zoy.org>
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* Copyright (C) 1999-2000 Aaron Holtzman <aholtzma@ess.engr.uvic.ca>
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*
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* This file is part of a52dec, a free ATSC A-52 stream decoder.
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* See http://liba52.sourceforge.net/ for updates.
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*
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* a52dec is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* a52dec 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef A52_UTIL_H
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#define A52_UTIL_H
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uint16_t a52_crc16_block(uint8_t *data,uint32_t num_bytes);
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void* a52_resample_init(uint32_t mm_accel,int flags,int chans);
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extern int (* a52_resample) (float * _f, int16_t * s16);
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#endif /* A52_H */
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@ -0,0 +1,73 @@
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/*
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* crc.c
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*
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* Copyright (C) Aaron Holtzman - May 1999
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*
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* This file is part of ac3dec, a free Dolby AC-3 stream decoder.
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*
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* ac3dec is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* ac3dec 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
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with GNU Make; see the file COPYING. If not, write to
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* the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <inttypes.h>
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static const uint16_t crc_lut[256] =
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{
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0x0000,0x8005,0x800f,0x000a,0x801b,0x001e,0x0014,0x8011,
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0x8033,0x0036,0x003c,0x8039,0x0028,0x802d,0x8027,0x0022,
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0x8063,0x0066,0x006c,0x8069,0x0078,0x807d,0x8077,0x0072,
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0x0050,0x8055,0x805f,0x005a,0x804b,0x004e,0x0044,0x8041,
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0x80c3,0x00c6,0x00cc,0x80c9,0x00d8,0x80dd,0x80d7,0x00d2,
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0x00f0,0x80f5,0x80ff,0x00fa,0x80eb,0x00ee,0x00e4,0x80e1,
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0x00a0,0x80a5,0x80af,0x00aa,0x80bb,0x00be,0x00b4,0x80b1,
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0x8093,0x0096,0x009c,0x8099,0x0088,0x808d,0x8087,0x0082,
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0x8183,0x0186,0x018c,0x8189,0x0198,0x819d,0x8197,0x0192,
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0x01b0,0x81b5,0x81bf,0x01ba,0x81ab,0x01ae,0x01a4,0x81a1,
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0x01e0,0x81e5,0x81ef,0x01ea,0x81fb,0x01fe,0x01f4,0x81f1,
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0x81d3,0x01d6,0x01dc,0x81d9,0x01c8,0x81cd,0x81c7,0x01c2,
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0x0140,0x8145,0x814f,0x014a,0x815b,0x015e,0x0154,0x8151,
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0x8173,0x0176,0x017c,0x8179,0x0168,0x816d,0x8167,0x0162,
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0x8123,0x0126,0x012c,0x8129,0x0138,0x813d,0x8137,0x0132,
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0x0110,0x8115,0x811f,0x011a,0x810b,0x010e,0x0104,0x8101,
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0x8303,0x0306,0x030c,0x8309,0x0318,0x831d,0x8317,0x0312,
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0x0330,0x8335,0x833f,0x033a,0x832b,0x032e,0x0324,0x8321,
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0x0360,0x8365,0x836f,0x036a,0x837b,0x037e,0x0374,0x8371,
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0x8353,0x0356,0x035c,0x8359,0x0348,0x834d,0x8347,0x0342,
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0x03c0,0x83c5,0x83cf,0x03ca,0x83db,0x03de,0x03d4,0x83d1,
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0x83f3,0x03f6,0x03fc,0x83f9,0x03e8,0x83ed,0x83e7,0x03e2,
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0x83a3,0x03a6,0x03ac,0x83a9,0x03b8,0x83bd,0x83b7,0x03b2,
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0x0390,0x8395,0x839f,0x039a,0x838b,0x038e,0x0384,0x8381,
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0x0280,0x8285,0x828f,0x028a,0x829b,0x029e,0x0294,0x8291,
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0x82b3,0x02b6,0x02bc,0x82b9,0x02a8,0x82ad,0x82a7,0x02a2,
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0x82e3,0x02e6,0x02ec,0x82e9,0x02f8,0x82fd,0x82f7,0x02f2,
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0x02d0,0x82d5,0x82df,0x02da,0x82cb,0x02ce,0x02c4,0x82c1,
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0x8243,0x0246,0x024c,0x8249,0x0258,0x825d,0x8257,0x0252,
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0x0270,0x8275,0x827f,0x027a,0x826b,0x026e,0x0264,0x8261,
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0x0220,0x8225,0x822f,0x022a,0x823b,0x023e,0x0234,0x8231,
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0x8213,0x0216,0x021c,0x8219,0x0208,0x820d,0x8207,0x0202
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};
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uint16_t a52_crc16_block(uint8_t *data,uint32_t num_bytes)
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{
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uint32_t i;
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uint16_t state=0;
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for(i=0;i<num_bytes;i++)
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state = crc_lut[data[i] ^ (state>>8)] ^ (state<<8);
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return state;
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}
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@ -31,6 +31,11 @@
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#define MM_ACCEL_X86_MMX 0x80000000
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#define MM_ACCEL_X86_3DNOW 0x40000000
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#define MM_ACCEL_X86_MMXEXT 0x20000000
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#define MM_ACCEL_X86_SSE 0x10000000
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#define MM_ACCEL_X86_3DNOWEXT 0x08000000
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/* PPC accelerations */
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#define MM_ACCEL_PPC_ALTIVEC 0x00010000
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uint32_t mm_accel (void);
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@ -0,0 +1,45 @@
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// a52_resample_init should find the requested converter (from type flags ->
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// given number of channels) and set up some function pointers...
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// a52_resample() should do the conversion.
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#include <inttypes.h>
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#include <stdio.h>
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#include "a52.h"
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#include "mm_accel.h"
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#include "config.h"
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#include "../libpostproc/mangle.h"
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int (* a52_resample) (float * _f, int16_t * s16)=NULL;
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#include "resample_c.c"
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#ifdef ARCH_X86
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#include "resample_mmx.c"
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#endif
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void* a52_resample_init(uint32_t mm_accel,int flags,int chans){
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void* tmp;
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#ifdef ARCH_X86
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if(mm_accel&MM_ACCEL_X86_MMX){
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tmp=a52_resample_MMX(flags,chans);
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if(tmp){
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if(a52_resample==NULL) fprintf(stderr, "Using MMX optimized resampler\n");
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a52_resample=tmp;
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return tmp;
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}
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}
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#endif
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tmp=a52_resample_C(flags,chans);
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if(tmp){
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if(a52_resample==NULL) fprintf(stderr, "No accelerated resampler found\n");
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a52_resample=tmp;
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return tmp;
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}
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fprintf(stderr, "Unimplemented resampler for mode 0x%X -> %d channels conversion - Contact MPlayer developers!\n", flags, chans);
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return NULL;
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}
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@ -0,0 +1,183 @@
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// this code is based on a52dec/libao/audio_out_oss.c
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static inline int16_t convert (int32_t i)
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{
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if (i > 0x43c07fff)
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return 32767;
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else if (i < 0x43bf8000)
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return -32768;
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else
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return i - 0x43c00000;
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}
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static int a52_resample_MONO_to_5_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[5*i] = s16[5*i+1] = s16[5*i+2] = s16[5*i+3] = 0;
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s16[5*i+4] = convert (f[i]);
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}
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return 5*256;
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}
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static int a52_resample_MONO_to_1_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[i] = convert (f[i]);
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}
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return 1*256;
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}
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static int a52_resample_STEREO_to_2_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[2*i] = convert (f[i]);
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s16[2*i+1] = convert (f[i+256]);
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}
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return 2*256;
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}
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static int a52_resample_3F_to_5_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[5*i] = convert (f[i]);
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s16[5*i+1] = convert (f[i+512]);
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s16[5*i+2] = s16[5*i+3] = 0;
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s16[5*i+4] = convert (f[i+256]);
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}
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return 5*256;
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}
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static int a52_resample_2F_2R_to_4_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[4*i] = convert (f[i]);
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s16[4*i+1] = convert (f[i+256]);
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s16[4*i+2] = convert (f[i+512]);
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s16[4*i+3] = convert (f[i+768]);
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}
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return 4*256;
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}
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static int a52_resample_3F_2R_to_5_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[5*i] = convert (f[i]);
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s16[5*i+1] = convert (f[i+512]);
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s16[5*i+2] = convert (f[i+768]);
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s16[5*i+3] = convert (f[i+1024]);
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s16[5*i+4] = convert (f[i+256]);
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}
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return 5*256;
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}
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static int a52_resample_MONO_LFE_to_6_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[6*i] = s16[6*i+1] = s16[6*i+2] = s16[6*i+3] = 0;
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s16[6*i+4] = convert (f[i+256]);
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s16[6*i+5] = convert (f[i]);
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}
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return 6*256;
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}
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static int a52_resample_STEREO_LFE_to_6_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[6*i] = convert (f[i+256]);
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s16[6*i+1] = convert (f[i+512]);
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s16[6*i+2] = s16[6*i+3] = s16[6*i+4] = 0;
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s16[6*i+5] = convert (f[i]);
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}
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return 6*256;
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}
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static int a52_resample_3F_LFE_to_6_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[6*i] = convert (f[i+256]);
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s16[6*i+1] = convert (f[i+768]);
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s16[6*i+2] = s16[6*i+3] = 0;
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s16[6*i+4] = convert (f[i+512]);
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s16[6*i+5] = convert (f[i]);
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}
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return 6*256;
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}
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static int a52_resample_2F_2R_LFE_to_6_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[6*i] = convert (f[i+256]);
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s16[6*i+1] = convert (f[i+512]);
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s16[6*i+2] = convert (f[i+768]);
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s16[6*i+3] = convert (f[i+1024]);
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s16[6*i+4] = 0;
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s16[6*i+5] = convert (f[i]);
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}
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return 6*256;
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}
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static int a52_resample_3F_2R_LFE_to_6_C(float * _f, int16_t * s16){
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int i;
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int32_t * f = (int32_t *) _f;
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for (i = 0; i < 256; i++) {
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s16[6*i] = convert (f[i+256]);
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s16[6*i+1] = convert (f[i+768]);
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s16[6*i+2] = convert (f[i+1024]);
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s16[6*i+3] = convert (f[i+1280]);
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s16[6*i+4] = convert (f[i+512]);
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s16[6*i+5] = convert (f[i]);
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}
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return 6*256;
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}
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static void* a52_resample_C(int flags, int ch){
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switch (flags) {
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case A52_MONO:
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if(ch==5) return a52_resample_MONO_to_5_C;
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if(ch==1) return a52_resample_MONO_to_1_C;
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break;
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case A52_CHANNEL:
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case A52_STEREO:
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case A52_DOLBY:
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if(ch==2) return a52_resample_STEREO_to_2_C;
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break;
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case A52_3F:
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if(ch==5) return a52_resample_3F_to_5_C;
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break;
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case A52_2F2R:
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if(ch==4) return a52_resample_2F_2R_to_4_C;
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break;
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case A52_3F2R:
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if(ch==5) return a52_resample_3F_2R_to_5_C;
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break;
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case A52_MONO | A52_LFE:
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if(ch==6) return a52_resample_MONO_LFE_to_6_C;
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break;
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case A52_CHANNEL | A52_LFE:
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case A52_STEREO | A52_LFE:
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case A52_DOLBY | A52_LFE:
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if(ch==6) return a52_resample_STEREO_LFE_to_6_C;
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break;
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case A52_3F | A52_LFE:
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if(ch==6) return a52_resample_3F_LFE_to_6_C;
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break;
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case A52_2F2R | A52_LFE:
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if(ch==6) return a52_resample_2F_2R_LFE_to_6_C;
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break;
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case A52_3F2R | A52_LFE:
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if(ch==6) return a52_resample_3F_2R_LFE_to_6_C;
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break;
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}
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return NULL;
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}
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@ -0,0 +1,518 @@
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|||
|
||||
// MMX optimizations from Michael Niedermayer (michaelni@gmx.at) (under GPL)
|
||||
|
||||
/* optimization TODO / NOTES
|
||||
movntq is slightly faster (0.5% with the current test.c benchmark)
|
||||
(but thats just test.c so that needs to be testd in reallity)
|
||||
and it would mean (C / MMX2 / MMX / 3DNOW) versions
|
||||
*/
|
||||
|
||||
static uint64_t __attribute__((aligned(8))) magicF2W= 0x43c0000043c00000LL;
|
||||
static uint64_t __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000LL;
|
||||
static uint64_t __attribute__((aligned(8))) wm0101= 0x0000FFFF0000FFFFLL;
|
||||
static uint64_t __attribute__((aligned(8))) wm1100= 0xFFFFFFFF00000000LL;
|
||||
|
||||
static int a52_resample_MONO_to_5_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-512, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
"movq "MANGLE(wm1100)", %%mm3 \n\t"
|
||||
"movq "MANGLE(wm0101)", %%mm4 \n\t"
|
||||
"movq "MANGLE(wm1010)", %%mm5 \n\t"
|
||||
"pxor %%mm6, %%mm6 \n\t"
|
||||
"1: \n\t"
|
||||
"movq (%1, %%esi, 2), %%mm0 \n\t"
|
||||
"movq 8(%1, %%esi, 2), %%mm1 \n\t"
|
||||
"leal (%%esi, %%esi, 4), %%edi \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"packssdw %%mm1, %%mm0 \n\t"
|
||||
"movq %%mm0, %%mm1 \n\t"
|
||||
"pand %%mm4, %%mm0 \n\t"
|
||||
"pand %%mm5, %%mm1 \n\t"
|
||||
"movq %%mm6, (%0, %%edi) \n\t" // 0 0 0 0
|
||||
"movd %%mm0, 8(%0, %%edi) \n\t" // A 0
|
||||
"pand %%mm3, %%mm0 \n\t"
|
||||
"movd %%mm6, 12(%0, %%edi) \n\t" // 0 0
|
||||
"movd %%mm1, 16(%0, %%edi) \n\t" // 0 B
|
||||
"pand %%mm3, %%mm1 \n\t"
|
||||
"movd %%mm6, 20(%0, %%edi) \n\t" // 0 0
|
||||
"movq %%mm0, 24(%0, %%edi) \n\t" // 0 0 C 0
|
||||
"movq %%mm1, 32(%0, %%edi) \n\t" // 0 0 0 B
|
||||
"addl $8, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1280), "r" (f+256)
|
||||
:"%esi", "%edi", "memory"
|
||||
);
|
||||
return 5*256;
|
||||
}
|
||||
|
||||
static int a52_resample_STEREO_to_2_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
/* benchmark scores are 0.3% better with SSE but we would need to set bias=0 and premultiply it
|
||||
#ifdef HAVE_SSE
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"1: \n\t"
|
||||
"cvtps2pi (%1, %%esi), %%mm0 \n\t"
|
||||
"cvtps2pi 1024(%1, %%esi), %%mm2\n\t"
|
||||
"movq %%mm0, %%mm1 \n\t"
|
||||
"punpcklwd %%mm2, %%mm0 \n\t"
|
||||
"punpckhwd %%mm2, %%mm1 \n\t"
|
||||
"movq %%mm0, (%0, %%esi) \n\t"
|
||||
"movq %%mm1, 8(%0, %%esi) \n\t"
|
||||
"addl $16, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+512), "r" (f+256)
|
||||
:"%esi", "memory"
|
||||
);*/
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
"1: \n\t"
|
||||
"movq (%1, %%esi), %%mm0 \n\t"
|
||||
"movq 8(%1, %%esi), %%mm1 \n\t"
|
||||
"movq 1024(%1, %%esi), %%mm2 \n\t"
|
||||
"movq 1032(%1, %%esi), %%mm3 \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"packssdw %%mm1, %%mm0 \n\t"
|
||||
"packssdw %%mm3, %%mm2 \n\t"
|
||||
"movq %%mm0, %%mm1 \n\t"
|
||||
"punpcklwd %%mm2, %%mm0 \n\t"
|
||||
"punpckhwd %%mm2, %%mm1 \n\t"
|
||||
"movq %%mm0, (%0, %%esi) \n\t"
|
||||
"movq %%mm1, 8(%0, %%esi) \n\t"
|
||||
"addl $16, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+512), "r" (f+256)
|
||||
:"%esi", "memory"
|
||||
);
|
||||
return 2*256;
|
||||
}
|
||||
|
||||
static int a52_resample_3F_to_5_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
"pxor %%mm6, %%mm6 \n\t"
|
||||
"movq %%mm7, %%mm5 \n\t"
|
||||
"punpckldq %%mm6, %%mm5 \n\t"
|
||||
"1: \n\t"
|
||||
"movd (%1, %%esi), %%mm0 \n\t"
|
||||
"punpckldq 2048(%1, %%esi), %%mm0\n\t"
|
||||
"movd 1024(%1, %%esi), %%mm1 \n\t"
|
||||
"punpckldq 4(%1, %%esi), %%mm1 \n\t"
|
||||
"movd 2052(%1, %%esi), %%mm2 \n\t"
|
||||
"movq %%mm7, %%mm3 \n\t"
|
||||
"punpckldq 1028(%1, %%esi), %%mm3\n\t"
|
||||
"movd 8(%1, %%esi), %%mm4 \n\t"
|
||||
"punpckldq 2056(%1, %%esi), %%mm4\n\t"
|
||||
"leal (%%esi, %%esi, 4), %%edi \n\t"
|
||||
"sarl $1, %%edi \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm5, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"psubd %%mm7, %%mm4 \n\t"
|
||||
"packssdw %%mm6, %%mm0 \n\t"
|
||||
"packssdw %%mm2, %%mm1 \n\t"
|
||||
"packssdw %%mm4, %%mm3 \n\t"
|
||||
"movq %%mm0, (%0, %%edi) \n\t"
|
||||
"movq %%mm1, 8(%0, %%edi) \n\t"
|
||||
"movq %%mm3, 16(%0, %%edi) \n\t"
|
||||
|
||||
"movd 1032(%1, %%esi), %%mm1 \n\t"
|
||||
"punpckldq 12(%1, %%esi), %%mm1\n\t"
|
||||
"movd 2060(%1, %%esi), %%mm2 \n\t"
|
||||
"movq %%mm7, %%mm3 \n\t"
|
||||
"punpckldq 1036(%1, %%esi), %%mm3\n\t"
|
||||
"pxor %%mm0, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm5, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"packssdw %%mm1, %%mm0 \n\t"
|
||||
"packssdw %%mm3, %%mm2 \n\t"
|
||||
"movq %%mm0, 24(%0, %%edi) \n\t"
|
||||
"movq %%mm2, 32(%0, %%edi) \n\t"
|
||||
|
||||
"addl $16, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1280), "r" (f+256)
|
||||
:"%esi", "%edi", "memory"
|
||||
);
|
||||
return 5*256;
|
||||
}
|
||||
|
||||
static int a52_resample_2F_2R_to_4_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
"1: \n\t"
|
||||
"movq (%1, %%esi), %%mm0 \n\t"
|
||||
"movq 8(%1, %%esi), %%mm1 \n\t"
|
||||
"movq 1024(%1, %%esi), %%mm2 \n\t"
|
||||
"movq 1032(%1, %%esi), %%mm3 \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"packssdw %%mm1, %%mm0 \n\t"
|
||||
"packssdw %%mm3, %%mm2 \n\t"
|
||||
"movq 2048(%1, %%esi), %%mm3 \n\t"
|
||||
"movq 2056(%1, %%esi), %%mm4 \n\t"
|
||||
"movq 3072(%1, %%esi), %%mm5 \n\t"
|
||||
"movq 3080(%1, %%esi), %%mm6 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"psubd %%mm7, %%mm4 \n\t"
|
||||
"psubd %%mm7, %%mm5 \n\t"
|
||||
"psubd %%mm7, %%mm6 \n\t"
|
||||
"packssdw %%mm4, %%mm3 \n\t"
|
||||
"packssdw %%mm6, %%mm5 \n\t"
|
||||
"movq %%mm0, %%mm1 \n\t"
|
||||
"movq %%mm3, %%mm4 \n\t"
|
||||
"punpcklwd %%mm2, %%mm0 \n\t"
|
||||
"punpckhwd %%mm2, %%mm1 \n\t"
|
||||
"punpcklwd %%mm5, %%mm3 \n\t"
|
||||
"punpckhwd %%mm5, %%mm4 \n\t"
|
||||
"movq %%mm0, %%mm2 \n\t"
|
||||
"movq %%mm1, %%mm5 \n\t"
|
||||
"punpckldq %%mm3, %%mm0 \n\t"
|
||||
"punpckhdq %%mm3, %%mm2 \n\t"
|
||||
"punpckldq %%mm4, %%mm1 \n\t"
|
||||
"punpckhdq %%mm4, %%mm5 \n\t"
|
||||
"movq %%mm0, (%0, %%esi,2) \n\t"
|
||||
"movq %%mm2, 8(%0, %%esi,2) \n\t"
|
||||
"movq %%mm1, 16(%0, %%esi,2) \n\t"
|
||||
"movq %%mm5, 24(%0, %%esi,2) \n\t"
|
||||
"addl $16, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1024), "r" (f+256)
|
||||
:"%esi", "memory"
|
||||
);
|
||||
return 4*256;
|
||||
}
|
||||
|
||||
static int a52_resample_3F_2R_to_5_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
"1: \n\t"
|
||||
"movd (%1, %%esi), %%mm0 \n\t"
|
||||
"punpckldq 2048(%1, %%esi), %%mm0\n\t"
|
||||
"movd 3072(%1, %%esi), %%mm1 \n\t"
|
||||
"punpckldq 4096(%1, %%esi), %%mm1\n\t"
|
||||
"movd 1024(%1, %%esi), %%mm2 \n\t"
|
||||
"punpckldq 4(%1, %%esi), %%mm2 \n\t"
|
||||
"movd 2052(%1, %%esi), %%mm3 \n\t"
|
||||
"punpckldq 3076(%1, %%esi), %%mm3\n\t"
|
||||
"movd 4100(%1, %%esi), %%mm4 \n\t"
|
||||
"punpckldq 1028(%1, %%esi), %%mm4\n\t"
|
||||
"movd 8(%1, %%esi), %%mm5 \n\t"
|
||||
"punpckldq 2056(%1, %%esi), %%mm5\n\t"
|
||||
"leal (%%esi, %%esi, 4), %%edi \n\t"
|
||||
"sarl $1, %%edi \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"psubd %%mm7, %%mm4 \n\t"
|
||||
"psubd %%mm7, %%mm5 \n\t"
|
||||
"packssdw %%mm1, %%mm0 \n\t"
|
||||
"packssdw %%mm3, %%mm2 \n\t"
|
||||
"packssdw %%mm5, %%mm4 \n\t"
|
||||
"movq %%mm0, (%0, %%edi) \n\t"
|
||||
"movq %%mm2, 8(%0, %%edi) \n\t"
|
||||
"movq %%mm4, 16(%0, %%edi) \n\t"
|
||||
|
||||
"movd 3080(%1, %%esi), %%mm0 \n\t"
|
||||
"punpckldq 4104(%1, %%esi), %%mm0\n\t"
|
||||
"movd 1032(%1, %%esi), %%mm1 \n\t"
|
||||
"punpckldq 12(%1, %%esi), %%mm1\n\t"
|
||||
"movd 2060(%1, %%esi), %%mm2 \n\t"
|
||||
"punpckldq 3084(%1, %%esi), %%mm2\n\t"
|
||||
"movd 4108(%1, %%esi), %%mm3 \n\t"
|
||||
"punpckldq 1036(%1, %%esi), %%mm3\n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"packssdw %%mm1, %%mm0 \n\t"
|
||||
"packssdw %%mm3, %%mm2 \n\t"
|
||||
"movq %%mm0, 24(%0, %%edi) \n\t"
|
||||
"movq %%mm2, 32(%0, %%edi) \n\t"
|
||||
|
||||
"addl $16, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1280), "r" (f+256)
|
||||
:"%esi", "%edi", "memory"
|
||||
);
|
||||
return 5*256;
|
||||
}
|
||||
|
||||
static int a52_resample_MONO_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
"pxor %%mm6, %%mm6 \n\t"
|
||||
"1: \n\t"
|
||||
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||||
"movq 1032(%1, %%esi), %%mm1 \n\t"
|
||||
"movq (%1, %%esi), %%mm2 \n\t"
|
||||
"movq 8(%1, %%esi), %%mm3 \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"packssdw %%mm1, %%mm0 \n\t"
|
||||
"packssdw %%mm3, %%mm2 \n\t"
|
||||
"movq %%mm0, %%mm1 \n\t"
|
||||
"punpcklwd %%mm2, %%mm0 \n\t"
|
||||
"punpckhwd %%mm2, %%mm1 \n\t"
|
||||
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||||
"movq %%mm6, (%0, %%edi) \n\t"
|
||||
"movd %%mm0, 8(%0, %%edi) \n\t"
|
||||
"punpckhdq %%mm0, %%mm0 \n\t"
|
||||
"movq %%mm6, 12(%0, %%edi) \n\t"
|
||||
"movd %%mm0, 20(%0, %%edi) \n\t"
|
||||
"movq %%mm6, 24(%0, %%edi) \n\t"
|
||||
"movd %%mm1, 32(%0, %%edi) \n\t"
|
||||
"punpckhdq %%mm1, %%mm1 \n\t"
|
||||
"movq %%mm6, 36(%0, %%edi) \n\t"
|
||||
"movd %%mm1, 44(%0, %%edi) \n\t"
|
||||
"addl $16, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1536), "r" (f+256)
|
||||
:"%esi", "%edi", "memory"
|
||||
);
|
||||
return 6*256;
|
||||
}
|
||||
|
||||
static int a52_resample_STEREO_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
"pxor %%mm6, %%mm6 \n\t"
|
||||
"1: \n\t"
|
||||
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||||
"movq 2048(%1, %%esi), %%mm1 \n\t"
|
||||
"movq (%1, %%esi), %%mm5 \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm5 \n\t"
|
||||
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||||
|
||||
"pxor %%mm4, %%mm4 \n\t"
|
||||
"packssdw %%mm5, %%mm0 \n\t" // FfAa
|
||||
"packssdw %%mm4, %%mm1 \n\t" // 00Bb
|
||||
"punpckhwd %%mm0, %%mm4 \n\t" // F0f0
|
||||
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
|
||||
"movq %%mm0, %%mm1 \n\t" // BAba
|
||||
"punpckldq %%mm4, %%mm3 \n\t" // f0XX
|
||||
"punpckldq %%mm6, %%mm0 \n\t" // 00ba
|
||||
"punpckhdq %%mm1, %%mm3 \n\t" // BAf0
|
||||
|
||||
"movq %%mm0, (%0, %%edi) \n\t" // 00ba
|
||||
"punpckhdq %%mm4, %%mm0 \n\t" // F000
|
||||
"movq %%mm3, 8(%0, %%edi) \n\t" // BAf0
|
||||
"movq %%mm0, 16(%0, %%edi) \n\t" // F000
|
||||
"addl $8, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1536), "r" (f+256)
|
||||
:"%esi", "%edi", "memory"
|
||||
);
|
||||
return 6*256;
|
||||
}
|
||||
|
||||
static int a52_resample_3F_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
"pxor %%mm6, %%mm6 \n\t"
|
||||
"1: \n\t"
|
||||
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||||
"movq 3072(%1, %%esi), %%mm1 \n\t"
|
||||
"movq 2048(%1, %%esi), %%mm4 \n\t"
|
||||
"movq (%1, %%esi), %%mm5 \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm4 \n\t"
|
||||
"psubd %%mm7, %%mm5 \n\t"
|
||||
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||||
|
||||
"packssdw %%mm4, %%mm0 \n\t" // EeAa
|
||||
"packssdw %%mm5, %%mm1 \n\t" // FfBb
|
||||
"movq %%mm0, %%mm2 \n\t" // EeAa
|
||||
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
|
||||
"punpckhwd %%mm1, %%mm2 \n\t" // FEfe
|
||||
"movq %%mm0, %%mm1 \n\t" // BAba
|
||||
"punpckldq %%mm6, %%mm0 \n\t" // 00ba
|
||||
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
|
||||
|
||||
"movq %%mm0, (%0, %%edi) \n\t"
|
||||
"punpckhdq %%mm2, %%mm0 \n\t" // FE00
|
||||
"punpckldq %%mm1, %%mm2 \n\t" // BAfe
|
||||
"movq %%mm2, 8(%0, %%edi) \n\t"
|
||||
"movq %%mm0, 16(%0, %%edi) \n\t"
|
||||
"addl $8, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1536), "r" (f+256)
|
||||
:"%esi", "%edi", "memory"
|
||||
);
|
||||
return 6*256;
|
||||
}
|
||||
|
||||
static int a52_resample_2F_2R_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
// "pxor %%mm6, %%mm6 \n\t"
|
||||
"1: \n\t"
|
||||
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||||
"movq 2048(%1, %%esi), %%mm1 \n\t"
|
||||
"movq 3072(%1, %%esi), %%mm2 \n\t"
|
||||
"movq 4096(%1, %%esi), %%mm3 \n\t"
|
||||
"movq (%1, %%esi), %%mm5 \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"psubd %%mm7, %%mm5 \n\t"
|
||||
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||||
|
||||
"packssdw %%mm2, %%mm0 \n\t" // CcAa
|
||||
"packssdw %%mm3, %%mm1 \n\t" // DdBb
|
||||
"packssdw %%mm5, %%mm5 \n\t" // FfFf
|
||||
"movq %%mm0, %%mm2 \n\t" // CcAa
|
||||
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
|
||||
"punpckhwd %%mm1, %%mm2 \n\t" // DCdc
|
||||
"pxor %%mm4, %%mm4 \n\t" // 0000
|
||||
"punpcklwd %%mm5, %%mm4 \n\t" // F0f0
|
||||
"movq %%mm0, %%mm1 \n\t" // BAba
|
||||
"movq %%mm4, %%mm3 \n\t" // F0f0
|
||||
"punpckldq %%mm2, %%mm0 \n\t" // dcba
|
||||
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
|
||||
"punpckldq %%mm1, %%mm4 \n\t" // BAf0
|
||||
"punpckhdq %%mm3, %%mm2 \n\t" // F0DC
|
||||
|
||||
"movq %%mm0, (%0, %%edi) \n\t"
|
||||
"movq %%mm4, 8(%0, %%edi) \n\t"
|
||||
"movq %%mm2, 16(%0, %%edi) \n\t"
|
||||
"addl $8, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1536), "r" (f+256)
|
||||
:"%esi", "%edi", "memory"
|
||||
);
|
||||
return 6*256;
|
||||
}
|
||||
|
||||
static int a52_resample_3F_2R_LFE_to_6_MMX(float * _f, int16_t * s16){
|
||||
int32_t * f = (int32_t *) _f;
|
||||
asm volatile(
|
||||
"movl $-1024, %%esi \n\t"
|
||||
"movq "MANGLE(magicF2W)", %%mm7 \n\t"
|
||||
// "pxor %%mm6, %%mm6 \n\t"
|
||||
"1: \n\t"
|
||||
"movq 1024(%1, %%esi), %%mm0 \n\t"
|
||||
"movq 3072(%1, %%esi), %%mm1 \n\t"
|
||||
"movq 4096(%1, %%esi), %%mm2 \n\t"
|
||||
"movq 5120(%1, %%esi), %%mm3 \n\t"
|
||||
"movq 2048(%1, %%esi), %%mm4 \n\t"
|
||||
"movq (%1, %%esi), %%mm5 \n\t"
|
||||
"psubd %%mm7, %%mm0 \n\t"
|
||||
"psubd %%mm7, %%mm1 \n\t"
|
||||
"psubd %%mm7, %%mm2 \n\t"
|
||||
"psubd %%mm7, %%mm3 \n\t"
|
||||
"psubd %%mm7, %%mm4 \n\t"
|
||||
"psubd %%mm7, %%mm5 \n\t"
|
||||
"leal (%%esi, %%esi, 2), %%edi \n\t"
|
||||
|
||||
"packssdw %%mm2, %%mm0 \n\t" // CcAa
|
||||
"packssdw %%mm3, %%mm1 \n\t" // DdBb
|
||||
"packssdw %%mm4, %%mm4 \n\t" // EeEe
|
||||
"packssdw %%mm5, %%mm5 \n\t" // FfFf
|
||||
"movq %%mm0, %%mm2 \n\t" // CcAa
|
||||
"punpcklwd %%mm1, %%mm0 \n\t" // BAba
|
||||
"punpckhwd %%mm1, %%mm2 \n\t" // DCdc
|
||||
"punpcklwd %%mm5, %%mm4 \n\t" // FEfe
|
||||
"movq %%mm0, %%mm1 \n\t" // BAba
|
||||
"movq %%mm4, %%mm3 \n\t" // FEfe
|
||||
"punpckldq %%mm2, %%mm0 \n\t" // dcba
|
||||
"punpckhdq %%mm1, %%mm1 \n\t" // BABA
|
||||
"punpckldq %%mm1, %%mm4 \n\t" // BAfe
|
||||
"punpckhdq %%mm3, %%mm2 \n\t" // FEDC
|
||||
|
||||
"movq %%mm0, (%0, %%edi) \n\t"
|
||||
"movq %%mm4, 8(%0, %%edi) \n\t"
|
||||
"movq %%mm2, 16(%0, %%edi) \n\t"
|
||||
"addl $8, %%esi \n\t"
|
||||
" jnz 1b \n\t"
|
||||
"emms \n\t"
|
||||
:: "r" (s16+1536), "r" (f+256)
|
||||
:"%esi", "%edi", "memory"
|
||||
);
|
||||
return 6*256;
|
||||
}
|
||||
|
||||
|
||||
static void* a52_resample_MMX(int flags, int ch){
|
||||
switch (flags) {
|
||||
case A52_MONO:
|
||||
if(ch==5) return a52_resample_MONO_to_5_MMX;
|
||||
break;
|
||||
case A52_CHANNEL:
|
||||
case A52_STEREO:
|
||||
case A52_DOLBY:
|
||||
if(ch==2) return a52_resample_STEREO_to_2_MMX;
|
||||
break;
|
||||
case A52_3F:
|
||||
if(ch==5) return a52_resample_3F_to_5_MMX;
|
||||
break;
|
||||
case A52_2F2R:
|
||||
if(ch==4) return a52_resample_2F_2R_to_4_MMX;
|
||||
break;
|
||||
case A52_3F2R:
|
||||
if(ch==5) return a52_resample_3F_2R_to_5_MMX;
|
||||
break;
|
||||
case A52_MONO | A52_LFE:
|
||||
if(ch==6) return a52_resample_MONO_LFE_to_6_MMX;
|
||||
break;
|
||||
case A52_CHANNEL | A52_LFE:
|
||||
case A52_STEREO | A52_LFE:
|
||||
case A52_DOLBY | A52_LFE:
|
||||
if(ch==6) return a52_resample_STEREO_LFE_to_6_MMX;
|
||||
break;
|
||||
case A52_3F | A52_LFE:
|
||||
if(ch==6) return a52_resample_3F_LFE_to_6_MMX;
|
||||
break;
|
||||
case A52_2F2R | A52_LFE:
|
||||
if(ch==6) return a52_resample_2F_2R_LFE_to_6_MMX;
|
||||
break;
|
||||
case A52_3F2R | A52_LFE:
|
||||
if(ch==6) return a52_resample_3F_2R_LFE_to_6_MMX;
|
||||
break;
|
||||
}
|
||||
return NULL;
|
||||
}
|
||||
|
||||
|
||||
Loading…
Reference in New Issue