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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"
#include "../postproc/rgb2rgb.h"
#ifdef HAVE_MMX
static void pack_MMX(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w)
{
int j;
asm (""
"pxor %%mm0, %%mm0 \n\t"
".balign 16 \n\t"
"1: \n\t"
"movq (%0), %%mm1 \n\t"
"movq (%0), %%mm2 \n\t"
"punpcklbw %%mm0, %%mm1 \n\t"
"punpckhbw %%mm0, %%mm2 \n\t"
"movq (%1), %%mm3 \n\t"
"movq (%2), %%mm5 \n\t"
"punpcklbw %%mm0, %%mm3 \n\t"
"punpcklbw %%mm0, %%mm5 \n\t"
"movq %%mm3, %%mm4 \n\t"
"movq %%mm5, %%mm6 \n\t"
"punpcklwd %%mm0, %%mm3 \n\t"
"punpckhwd %%mm0, %%mm4 \n\t"
"punpcklwd %%mm0, %%mm5 \n\t"
"punpckhwd %%mm0, %%mm6 \n\t"
"pslld $8, %%mm3 \n\t"
"pslld $8, %%mm4 \n\t"
"pslld $24, %%mm5 \n\t"
"pslld $24, %%mm6 \n\t"
"por %%mm3, %%mm1 \n\t"
"por %%mm4, %%mm2 \n\t"
"por %%mm5, %%mm1 \n\t"
"por %%mm6, %%mm2 \n\t"
"addl $8, %0 \n\t"
"addl $4, %1 \n\t"
"addl $4, %2 \n\t"
"movq %%mm1, (%3) \n\t"
"movq %%mm2, 8(%3) \n\t"
"addl $16, %3 \n\t"
"decl %4 \n\t"
"jnz 1b \n\t"
:
: "r" (y), "r" (u), "r" (v), "r" (dst), "r" (w/8)
: "memory"
);
for (j = (w&7)/2; j; j--) {
*dst++ = *y++;
*dst++ = *u++;
*dst++ = *y++;
*dst++ = *v++;
}
asm volatile ( "emms \n\t" ::: "memory" );
}
#endif
static void pack_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)(unsigned char *dst, unsigned char *y,
unsigned char *u, unsigned char *v, int w);
static void ilpack(unsigned char *dst, unsigned char *src[3],
unsigned int dststride, unsigned int srcstride[3], int w, int h)
{
int i;
unsigned char *y, *u, *v;
y = src[0];
u = src[1];
v = src[2];
for (i=0; i<h; i++) {
pack(dst, y, u, v, w);
y += srcstride[0];
if ((i&3) == 1) {
u -= srcstride[1];
v -= srcstride[2];
} else {
u += srcstride[1];
v += srcstride[2];
}
dst += dststride;
}
}
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi)
{
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);
return vf_next_put_image(vf,dmpi);
}
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;
pack = pack_C;
#ifdef HAVE_MMX
if(gCpuCaps.hasMMX) pack = pack_MMX;
#endif
return 1;
}
vf_info_t vf_info_ilpack = {
"4:2:0 planar -> 4:2:2 packed reinterlacer",
"ilpack",
"Richard Felker",
"",
open,
NULL
};
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