mirror of https://github.com/mpv-player/mpv
607 lines
17 KiB
C
607 lines
17 KiB
C
// this code come from a52dec/libao/audio_out_oss.c
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// FIXME FIXME FIXME
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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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// MMX optimizations from Michael Niedermayer (michaelni@gmx.at) (under GPL)
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/* optimization TODO / NOTES
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movntq is slightly faster (0.5% with the current test.c benchmark)
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(but thats just test.c so that needs to be testd in reallity)
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and it would mean (C / MMX2 / MMX / 3DNOW) versions
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*/
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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 "../config.h"
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#include "../cpudetect.h"
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int (* a52_resample) (float * _f, int16_t * s16)=NULL;
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#ifdef ARCH_X86
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static uint64_t __attribute__((aligned(8))) magicF2W= 0x43c0000043c00000LL;
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static uint64_t __attribute__((aligned(8))) wm1010= 0xFFFF0000FFFF0000LL;
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static uint64_t __attribute__((aligned(8))) wm0101= 0x0000FFFF0000FFFFLL;
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static uint64_t __attribute__((aligned(8))) wm1100= 0xFFFFFFFF00000000LL;
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#endif
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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 chans=2;
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static int flags=0;
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int a52_resample_C(float * _f, int16_t * s16)
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{
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int i;
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int32_t * f = (int32_t *) _f;
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switch (flags) {
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case A52_MONO:
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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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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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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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break;
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case A52_3F:
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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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break;
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case A52_2F2R:
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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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break;
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case A52_3F2R:
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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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break;
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case A52_MONO | A52_LFE:
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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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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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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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break;
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case A52_3F | A52_LFE:
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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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break;
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case A52_2F2R | A52_LFE:
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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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break;
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case A52_3F2R | A52_LFE:
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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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break;
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}
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return chans*256;
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}
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#ifdef ARCH_X86
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int a52_resample_MMX(float * _f, int16_t * s16)
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{
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int i;
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int32_t * f = (int32_t *) _f;
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switch (flags) {
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case A52_MONO:
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asm volatile(
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"movl $-512, %%esi \n\t"
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"movq magicF2W, %%mm7 \n\t"
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"movq wm1100, %%mm3 \n\t"
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"movq wm0101, %%mm4 \n\t"
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"movq wm1010, %%mm5 \n\t"
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"pxor %%mm6, %%mm6 \n\t"
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"1: \n\t"
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"movq (%1, %%esi, 2), %%mm0 \n\t"
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"movq 8(%1, %%esi, 2), %%mm1 \n\t"
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"leal (%%esi, %%esi, 4), %%edi \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"pand %%mm4, %%mm0 \n\t"
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"pand %%mm5, %%mm1 \n\t"
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"movq %%mm6, (%0, %%edi) \n\t" // 0 0 0 0
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"movd %%mm0, 8(%0, %%edi) \n\t" // A 0
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"pand %%mm3, %%mm0 \n\t"
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"movd %%mm6, 12(%0, %%edi) \n\t" // 0 0
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"movd %%mm1, 16(%0, %%edi) \n\t" // 0 B
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"pand %%mm3, %%mm1 \n\t"
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"movd %%mm6, 20(%0, %%edi) \n\t" // 0 0
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"movq %%mm0, 24(%0, %%edi) \n\t" // 0 0 C 0
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"movq %%mm1, 32(%0, %%edi) \n\t" // 0 0 0 B
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"addl $8, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+1280), "r" (f+256)
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:"%esi", "%edi", "memory"
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);
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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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/* benchmark scores are 0.3% better with SSE but we would need to set bias=0 and premultiply it
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#ifdef HAVE_SSE
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"1: \n\t"
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"cvtps2pi (%1, %%esi), %%mm0 \n\t"
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"cvtps2pi 1024(%1, %%esi), %%mm2\n\t"
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"movq %%mm0, %%mm1 \n\t"
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"punpcklwd %%mm2, %%mm0 \n\t"
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"punpckhwd %%mm2, %%mm1 \n\t"
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"movq %%mm0, (%0, %%esi) \n\t"
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"movq %%mm1, 8(%0, %%esi) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+512), "r" (f+256)
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:"%esi", "memory"
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);*/
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq magicF2W, %%mm7 \n\t"
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"1: \n\t"
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"movq (%1, %%esi), %%mm0 \n\t"
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"movq 8(%1, %%esi), %%mm1 \n\t"
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"movq 1024(%1, %%esi), %%mm2 \n\t"
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"movq 1032(%1, %%esi), %%mm3 \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"punpcklwd %%mm2, %%mm0 \n\t"
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"punpckhwd %%mm2, %%mm1 \n\t"
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"movq %%mm0, (%0, %%esi) \n\t"
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"movq %%mm1, 8(%0, %%esi) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+512), "r" (f+256)
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:"%esi", "memory"
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);
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break;
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case A52_3F:
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq magicF2W, %%mm7 \n\t"
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"pxor %%mm6, %%mm6 \n\t"
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"movq %%mm7, %%mm5 \n\t"
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"punpckldq %%mm6, %%mm5 \n\t"
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"1: \n\t"
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"movd (%1, %%esi), %%mm0 \n\t"
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"punpckldq 2048(%1, %%esi), %%mm0\n\t"
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"movd 1024(%1, %%esi), %%mm1 \n\t"
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"punpckldq 4(%1, %%esi), %%mm1 \n\t"
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"movd 2052(%1, %%esi), %%mm2 \n\t"
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"movq %%mm7, %%mm3 \n\t"
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"punpckldq 1028(%1, %%esi), %%mm3\n\t"
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"movd 8(%1, %%esi), %%mm4 \n\t"
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"punpckldq 2056(%1, %%esi), %%mm4\n\t"
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"leal (%%esi, %%esi, 4), %%edi \n\t"
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"sarl $1, %%edi \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm5, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"psubd %%mm7, %%mm4 \n\t"
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"packssdw %%mm6, %%mm0 \n\t"
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"packssdw %%mm2, %%mm1 \n\t"
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"packssdw %%mm4, %%mm3 \n\t"
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"movq %%mm0, (%0, %%edi) \n\t"
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"movq %%mm1, 8(%0, %%edi) \n\t"
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"movq %%mm3, 16(%0, %%edi) \n\t"
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"movd 1032(%1, %%esi), %%mm1 \n\t"
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"punpckldq 12(%1, %%esi), %%mm1\n\t"
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"movd 2060(%1, %%esi), %%mm2 \n\t"
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"movq %%mm7, %%mm3 \n\t"
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"punpckldq 1036(%1, %%esi), %%mm3\n\t"
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"pxor %%mm0, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm5, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"movq %%mm0, 24(%0, %%edi) \n\t"
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"movq %%mm2, 32(%0, %%edi) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+1280), "r" (f+256)
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:"%esi", "%edi", "memory"
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);
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break;
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case A52_2F2R:
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq magicF2W, %%mm7 \n\t"
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"1: \n\t"
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"movq (%1, %%esi), %%mm0 \n\t"
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"movq 8(%1, %%esi), %%mm1 \n\t"
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"movq 1024(%1, %%esi), %%mm2 \n\t"
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"movq 1032(%1, %%esi), %%mm3 \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"movq 2048(%1, %%esi), %%mm3 \n\t"
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"movq 2056(%1, %%esi), %%mm4 \n\t"
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"movq 3072(%1, %%esi), %%mm5 \n\t"
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"movq 3080(%1, %%esi), %%mm6 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"psubd %%mm7, %%mm4 \n\t"
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"psubd %%mm7, %%mm5 \n\t"
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"psubd %%mm7, %%mm6 \n\t"
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"packssdw %%mm4, %%mm3 \n\t"
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"packssdw %%mm6, %%mm5 \n\t"
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"movq %%mm0, %%mm1 \n\t"
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"movq %%mm3, %%mm4 \n\t"
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"punpcklwd %%mm2, %%mm0 \n\t"
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"punpckhwd %%mm2, %%mm1 \n\t"
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"punpcklwd %%mm5, %%mm3 \n\t"
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"punpckhwd %%mm5, %%mm4 \n\t"
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"movq %%mm0, %%mm2 \n\t"
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"movq %%mm1, %%mm5 \n\t"
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"punpckldq %%mm3, %%mm0 \n\t"
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"punpckhdq %%mm3, %%mm2 \n\t"
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"punpckldq %%mm4, %%mm1 \n\t"
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"punpckhdq %%mm4, %%mm5 \n\t"
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"movq %%mm0, (%0, %%esi,2) \n\t"
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"movq %%mm2, 8(%0, %%esi,2) \n\t"
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"movq %%mm1, 16(%0, %%esi,2) \n\t"
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"movq %%mm5, 24(%0, %%esi,2) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+1024), "r" (f+256)
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:"%esi", "memory"
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);
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break;
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case A52_3F2R:
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asm volatile(
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"movl $-1024, %%esi \n\t"
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"movq magicF2W, %%mm7 \n\t"
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"1: \n\t"
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"movd (%1, %%esi), %%mm0 \n\t"
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"punpckldq 2048(%1, %%esi), %%mm0\n\t"
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"movd 3072(%1, %%esi), %%mm1 \n\t"
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"punpckldq 4096(%1, %%esi), %%mm1\n\t"
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"movd 1024(%1, %%esi), %%mm2 \n\t"
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"punpckldq 4(%1, %%esi), %%mm2 \n\t"
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"movd 2052(%1, %%esi), %%mm3 \n\t"
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"punpckldq 3076(%1, %%esi), %%mm3\n\t"
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"movd 4100(%1, %%esi), %%mm4 \n\t"
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"punpckldq 1028(%1, %%esi), %%mm4\n\t"
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"movd 8(%1, %%esi), %%mm5 \n\t"
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"punpckldq 2056(%1, %%esi), %%mm5\n\t"
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"leal (%%esi, %%esi, 4), %%edi \n\t"
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"sarl $1, %%edi \n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"psubd %%mm7, %%mm4 \n\t"
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"psubd %%mm7, %%mm5 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"packssdw %%mm5, %%mm4 \n\t"
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"movq %%mm0, (%0, %%edi) \n\t"
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"movq %%mm2, 8(%0, %%edi) \n\t"
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"movq %%mm4, 16(%0, %%edi) \n\t"
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"movd 3080(%1, %%esi), %%mm0 \n\t"
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"punpckldq 4104(%1, %%esi), %%mm0\n\t"
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"movd 1032(%1, %%esi), %%mm1 \n\t"
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"punpckldq 12(%1, %%esi), %%mm1\n\t"
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"movd 2060(%1, %%esi), %%mm2 \n\t"
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"punpckldq 3084(%1, %%esi), %%mm2\n\t"
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"movd 4108(%1, %%esi), %%mm3 \n\t"
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"punpckldq 1036(%1, %%esi), %%mm3\n\t"
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"psubd %%mm7, %%mm0 \n\t"
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"psubd %%mm7, %%mm1 \n\t"
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"psubd %%mm7, %%mm2 \n\t"
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"psubd %%mm7, %%mm3 \n\t"
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"packssdw %%mm1, %%mm0 \n\t"
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"packssdw %%mm3, %%mm2 \n\t"
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"movq %%mm0, 24(%0, %%edi) \n\t"
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"movq %%mm2, 32(%0, %%edi) \n\t"
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"addl $16, %%esi \n\t"
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" jnz 1b \n\t"
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"emms \n\t"
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:: "r" (s16+1280), "r" (f+256)
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:"%esi", "%edi", "memory"
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);
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break;
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case A52_MONO | A52_LFE:
|
|
asm volatile(
|
|
"movl $-1024, %%esi \n\t"
|
|
"movq 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"
|
|
);
|
|
break;
|
|
case A52_CHANNEL | A52_LFE:
|
|
case A52_STEREO | A52_LFE:
|
|
case A52_DOLBY | A52_LFE:
|
|
asm volatile(
|
|
"movl $-1024, %%esi \n\t"
|
|
"movq 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"
|
|
);
|
|
break;
|
|
case A52_3F | A52_LFE:
|
|
asm volatile(
|
|
"movl $-1024, %%esi \n\t"
|
|
"movq 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"
|
|
);
|
|
break;
|
|
case A52_2F2R | A52_LFE:
|
|
asm volatile(
|
|
"movl $-1024, %%esi \n\t"
|
|
"movq 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"
|
|
);
|
|
break;
|
|
case A52_3F2R | A52_LFE:
|
|
asm volatile(
|
|
"movl $-1024, %%esi \n\t"
|
|
"movq 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"
|
|
);
|
|
break;
|
|
}
|
|
return chans*256;
|
|
}
|
|
#endif //arch_x86
|
|
|
|
void a52_resample_init(int _flags,int _chans){
|
|
chans=_chans;
|
|
flags=_flags;
|
|
|
|
if(a52_resample==NULL) // only once please ;)
|
|
{
|
|
if(gCpuCaps.hasMMX) fprintf(stderr, "Using MMX optimized resampler\n");
|
|
else fprintf(stderr, "No accelerated resampler found\n");
|
|
}
|
|
|
|
#ifdef ARCH_X86
|
|
if(gCpuCaps.hasMMX) a52_resample= a52_resample_MMX;
|
|
#else
|
|
if(0);
|
|
#endif
|
|
else a52_resample= a52_resample_C;
|
|
}
|
|
|