mpv/libmpcodecs/vf_ilpack.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <inttypes.h>
#include "config.h"
#include "mp_msg.h"
#include "cpudetect.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
#include "libvo/fastmemcpy.h"
typedef void (pack_func_t)(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w, int us, int vs);
struct vf_priv_s {
int mode;
pack_func_t *pack[2];
};
static void pack_nn_C(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w)
{
int j;
for (j = w/2; j; j--) {
*dst++ = *y++;
*dst++ = *u++;
*dst++ = *y++;
*dst++ = *v++;
}
}
static void pack_li_0_C(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w, int us, int vs)
{
int j;
for (j = w/2; j; j--) {
*dst++ = *y++;
*dst++ = (u[us+us] + 7*u[0])>>3;
*dst++ = *y++;
*dst++ = (v[vs+vs] + 7*v[0])>>3;
u++; v++;
}
}
static void pack_li_1_C(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w, int us, int vs)
{
int j;
for (j = w/2; j; j--) {
*dst++ = *y++;
*dst++ = (3*u[us+us] + 5*u[0])>>3;
*dst++ = *y++;
*dst++ = (3*v[vs+vs] + 5*v[0])>>3;
u++; v++;
}
}
#ifdef HAVE_MMX
static void pack_nn_MMX(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w)
{
int j;
asm volatile (""
ASMALIGN(4)
"1: \n\t"
"movq (%0), %%mm1 \n\t"
"movq (%0), %%mm2 \n\t"
"movq (%1), %%mm4 \n\t"
"movq (%2), %%mm6 \n\t"
"punpcklbw %%mm6, %%mm4 \n\t"
"punpcklbw %%mm4, %%mm1 \n\t"
"punpckhbw %%mm4, %%mm2 \n\t"
"add $8, %0 \n\t"
"add $4, %1 \n\t"
"add $4, %2 \n\t"
"movq %%mm1, (%3) \n\t"
"movq %%mm2, 8(%3) \n\t"
"add $16, %3 \n\t"
"decl %4 \n\t"
"jnz 1b \n\t"
"emms \n\t"
:
: "r" (y), "r" (u), "r" (v), "r" (dst), "r" (w/8)
: "memory"
);
pack_nn_C(dst, y, u, v, (w&7));
}
static void pack_li_0_MMX(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w, int us, int vs)
{
asm volatile (""
"push %%"REG_BP" \n\t"
#ifdef ARCH_X86_64
"mov %6, %%"REG_BP" \n\t"
#else
"movl 4(%%"REG_d"), %%"REG_BP" \n\t"
"movl (%%"REG_d"), %%"REG_d" \n\t"
#endif
"pxor %%mm0, %%mm0 \n\t"
ASMALIGN(4)
".Lli0: \n\t"
"movq (%%"REG_S"), %%mm1 \n\t"
"movq (%%"REG_S"), %%mm2 \n\t"
"movq (%%"REG_a",%%"REG_d",2), %%mm4 \n\t"
"movq (%%"REG_b",%%"REG_BP",2), %%mm6 \n\t"
"punpcklbw %%mm0, %%mm4 \n\t"
"punpcklbw %%mm0, %%mm6 \n\t"
"movq (%%"REG_a"), %%mm3 \n\t"
"movq (%%"REG_b"), %%mm5 \n\t"
"punpcklbw %%mm0, %%mm3 \n\t"
"punpcklbw %%mm0, %%mm5 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"psrlw $3, %%mm4 \n\t"
"psrlw $3, %%mm6 \n\t"
"packuswb %%mm4, %%mm4 \n\t"
"packuswb %%mm6, %%mm6 \n\t"
"punpcklbw %%mm6, %%mm4 \n\t"
"punpcklbw %%mm4, %%mm1 \n\t"
"punpckhbw %%mm4, %%mm2 \n\t"
"movq %%mm1, (%%"REG_D") \n\t"
"movq %%mm2, 8(%%"REG_D") \n\t"
"movq 8(%%"REG_S"), %%mm1 \n\t"
"movq 8(%%"REG_S"), %%mm2 \n\t"
"movq (%%"REG_a",%%"REG_d",2), %%mm4 \n\t"
"movq (%%"REG_b",%%"REG_BP",2), %%mm6 \n\t"
"punpckhbw %%mm0, %%mm4 \n\t"
"punpckhbw %%mm0, %%mm6 \n\t"
"movq (%%"REG_a"), %%mm3 \n\t"
"movq (%%"REG_b"), %%mm5 \n\t"
"punpckhbw %%mm0, %%mm3 \n\t"
"punpckhbw %%mm0, %%mm5 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"psrlw $3, %%mm4 \n\t"
"psrlw $3, %%mm6 \n\t"
"packuswb %%mm4, %%mm4 \n\t"
"packuswb %%mm6, %%mm6 \n\t"
"punpcklbw %%mm6, %%mm4 \n\t"
"punpcklbw %%mm4, %%mm1 \n\t"
"punpckhbw %%mm4, %%mm2 \n\t"
"add $16, %%"REG_S" \n\t"
"add $8, %%"REG_a" \n\t"
"add $8, %%"REG_b" \n\t"
"movq %%mm1, 16(%%"REG_D") \n\t"
"movq %%mm2, 24(%%"REG_D") \n\t"
"add $32, %%"REG_D" \n\t"
"decl %%ecx \n\t"
"jnz .Lli0 \n\t"
"emms \n\t"
"pop %%"REG_BP" \n\t"
:
: "S" (y), "D" (dst), "a" (u), "b" (v), "c" (w/16),
#ifdef ARCH_X86_64
"d" ((long)us), "r" ((long)vs)
#else
"d" (&us)
#endif
: "memory"
);
pack_li_0_C(dst, y, u, v, (w&15), us, vs);
}
static void pack_li_1_MMX(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w, int us, int vs)
{
asm volatile (""
"push %%"REG_BP" \n\t"
#ifdef ARCH_X86_64
"mov %6, %%"REG_BP" \n\t"
#else
"movl 4(%%"REG_d"), %%"REG_BP" \n\t"
"movl (%%"REG_d"), %%"REG_d" \n\t"
#endif
"pxor %%mm0, %%mm0 \n\t"
ASMALIGN(4)
".Lli1: \n\t"
"movq (%%"REG_S"), %%mm1 \n\t"
"movq (%%"REG_S"), %%mm2 \n\t"
"movq (%%"REG_a",%%"REG_d",2), %%mm4 \n\t"
"movq (%%"REG_b",%%"REG_BP",2), %%mm6 \n\t"
"punpcklbw %%mm0, %%mm4 \n\t"
"punpcklbw %%mm0, %%mm6 \n\t"
"movq (%%"REG_a"), %%mm3 \n\t"
"movq (%%"REG_b"), %%mm5 \n\t"
"punpcklbw %%mm0, %%mm3 \n\t"
"punpcklbw %%mm0, %%mm5 \n\t"
"movq %%mm4, %%mm7 \n\t"
"paddw %%mm4, %%mm4 \n\t"
"paddw %%mm7, %%mm4 \n\t"
"movq %%mm6, %%mm7 \n\t"
"paddw %%mm6, %%mm6 \n\t"
"paddw %%mm7, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"psrlw $3, %%mm4 \n\t"
"psrlw $3, %%mm6 \n\t"
"packuswb %%mm4, %%mm4 \n\t"
"packuswb %%mm6, %%mm6 \n\t"
"punpcklbw %%mm6, %%mm4 \n\t"
"punpcklbw %%mm4, %%mm1 \n\t"
"punpckhbw %%mm4, %%mm2 \n\t"
"movq %%mm1, (%%"REG_D") \n\t"
"movq %%mm2, 8(%%"REG_D") \n\t"
"movq 8(%%"REG_S"), %%mm1 \n\t"
"movq 8(%%"REG_S"), %%mm2 \n\t"
"movq (%%"REG_a",%%"REG_d",2), %%mm4 \n\t"
"movq (%%"REG_b",%%"REG_BP",2), %%mm6 \n\t"
"punpckhbw %%mm0, %%mm4 \n\t"
"punpckhbw %%mm0, %%mm6 \n\t"
"movq (%%"REG_a"), %%mm3 \n\t"
"movq (%%"REG_b"), %%mm5 \n\t"
"punpckhbw %%mm0, %%mm3 \n\t"
"punpckhbw %%mm0, %%mm5 \n\t"
"movq %%mm4, %%mm7 \n\t"
"paddw %%mm4, %%mm4 \n\t"
"paddw %%mm7, %%mm4 \n\t"
"movq %%mm6, %%mm7 \n\t"
"paddw %%mm6, %%mm6 \n\t"
"paddw %%mm7, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"paddw %%mm3, %%mm4 \n\t"
"paddw %%mm5, %%mm6 \n\t"
"psrlw $3, %%mm4 \n\t"
"psrlw $3, %%mm6 \n\t"
"packuswb %%mm4, %%mm4 \n\t"
"packuswb %%mm6, %%mm6 \n\t"
"punpcklbw %%mm6, %%mm4 \n\t"
"punpcklbw %%mm4, %%mm1 \n\t"
"punpckhbw %%mm4, %%mm2 \n\t"
"add $16, %%"REG_S" \n\t"
"add $8, %%"REG_a" \n\t"
"add $8, %%"REG_b" \n\t"
"movq %%mm1, 16(%%"REG_D") \n\t"
"movq %%mm2, 24(%%"REG_D") \n\t"
"add $32, %%"REG_D" \n\t"
"decl %%ecx \n\t"
"jnz .Lli1 \n\t"
"emms \n\t"
"pop %%"REG_BP" \n\t"
:
: "S" (y), "D" (dst), "a" (u), "b" (v), "c" (w/16),
#ifdef ARCH_X86_64
"d" ((long)us), "r" ((long)vs)
#else
"d" (&us)
#endif
: "memory"
);
pack_li_1_C(dst, y, u, v, (w&15), us, vs);
}
#endif
static pack_func_t *pack_nn;
static pack_func_t *pack_li_0;
static pack_func_t *pack_li_1;
static void ilpack(unsigned char *dst, unsigned char *src[3],
int dststride, int srcstride[3], int w, int h, pack_func_t *pack[2])
{
int i;
unsigned char *y, *u, *v;
int ys = srcstride[0], us = srcstride[1], vs = srcstride[2];
int a, b;
y = src[0];
u = src[1];
v = src[2];
pack_nn(dst, y, u, v, w, 0, 0);
y += ys; dst += dststride;
pack_nn(dst, y, u+us, v+vs, w, 0, 0);
y += ys; dst += dststride;
for (i=2; i<h-2; i++) {
a = (i&2) ? 1 : -1;
b = (i&1) ^ ((i&2)>>1);
pack[b](dst, y, u, v, w, us*a, vs*a);
y += ys;
if ((i&3) == 1) {
u -= us;
v -= vs;
} else {
u += us;
v += vs;
}
dst += dststride;
}
pack_nn(dst, y, u, v, w, 0, 0);
y += ys; dst += dststride; u += us; v += vs;
pack_nn(dst, y, u, v, w, 0, 0);
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts)
{
mp_image_t *dmpi;
// hope we'll get DR buffer:
dmpi=vf_get_image(vf->next, IMGFMT_YUY2,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->w, mpi->h);
ilpack(dmpi->planes[0], mpi->planes, dmpi->stride[0], mpi->stride, mpi->w, mpi->h, vf->priv->pack);
return vf_next_put_image(vf,dmpi, pts);
}
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
/* FIXME - also support UYVY output? */
return vf_next_config(vf, width, height, d_width, d_height, flags, IMGFMT_YUY2);
}
static int query_format(struct vf_instance_s* vf, unsigned int fmt)
{
/* FIXME - really any YUV 4:2:0 input format should work */
switch (fmt) {
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
return vf_next_query_format(vf,IMGFMT_YUY2);
}
return 0;
}
static int open(vf_instance_t *vf, char* args)
{
vf->config=config;
vf->query_format=query_format;
vf->put_image=put_image;
vf->priv = calloc(1, sizeof(struct vf_priv_s));
vf->priv->mode = 1;
if (args) sscanf(args, "%d", &vf->priv->mode);
pack_nn = (pack_func_t *)pack_nn_C;
pack_li_0 = pack_li_0_C;
pack_li_1 = pack_li_1_C;
#ifdef HAVE_MMX
if(gCpuCaps.hasMMX) {
pack_nn = (pack_func_t *)pack_nn_MMX;
pack_li_0 = pack_li_0_MMX;
pack_li_1 = pack_li_1_MMX;
}
#endif
switch(vf->priv->mode) {
case 0:
vf->priv->pack[0] = vf->priv->pack[1] = pack_nn;
break;
default:
mp_msg(MSGT_VFILTER, MSGL_WARN,
"ilpack: unknown mode %d (fallback to linear)\n",
vf->priv->mode);
case 1:
vf->priv->pack[0] = pack_li_0;
vf->priv->pack[1] = pack_li_1;
break;
}
return 1;
}
vf_info_t vf_info_ilpack = {
"4:2:0 planar -> 4:2:2 packed reinterlacer",
"ilpack",
"Richard Felker",
"",
open,
NULL
};