mpv/libmpcodecs/vf_tfields.c

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#include <stdio.h>
#include <stdlib.h>
#include <string.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"
struct vf_priv_s {
int mode;
int parity;
int buffered_i;
mp_image_t *buffered_mpi;
double buffered_pts;
};
static void deint(unsigned char *dest, int ds, unsigned char *src, int ss, int w, int h, int field)
{
int x, y;
src += ss;
dest += ds;
if (field) {
src += ss;
dest += ds;
h -= 2;
}
for (y=h/2; y; y--) {
for (x=0; x<w; x++) {
if (((src[x-ss] < src[x]) && (src[x+ss] < src[x])) ||
((src[x-ss] > src[x]) && (src[x+ss] > src[x]))) {
//dest[x] = (src[x+ss] + src[x-ss])>>1;
dest[x] = ((src[x+ss]<<1) + (src[x-ss]<<1)
+ src[x+ss+1] + src[x-ss+1]
+ src[x+ss-1] + src[x-ss-1])>>3;
}
else dest[x] = src[x];
}
dest += ds<<1;
src += ss<<1;
}
}
#ifdef HAVE_3DNOW
static void qpel_li_3DNOW(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
{
int i, j, ssd=ss;
long crap1, crap2;
if (up) {
ssd = -ss;
fast_memcpy(d, s, w);
d += ds;
s += ss;
}
for (i=h-1; i; i--) {
asm volatile(
"1: \n\t"
"movq (%%"REG_S"), %%mm0 \n\t"
"movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
"pavgusb %%mm0, %%mm1 \n\t"
"add $8, %%"REG_S" \n\t"
"pavgusb %%mm0, %%mm1 \n\t"
"movq %%mm1, (%%"REG_D") \n\t"
"add $8, %%"REG_D" \n\t"
"decl %%ecx \n\t"
"jnz 1b \n\t"
: "=S"(crap1), "=D"(crap2)
: "c"(w>>3), "S"(s), "D"(d), "a"((long)ssd)
);
for (j=w-(w&7); j<w; j++)
d[j] = (s[j+ssd] + 3*s[j])>>2;
d += ds;
s += ss;
}
if (!up) fast_memcpy(d, s, w);
asm volatile("emms \n\t" : : : "memory");
}
#endif
#ifdef HAVE_MMX2
static void qpel_li_MMX2(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
{
int i, j, ssd=ss;
long crap1, crap2;
if (up) {
ssd = -ss;
fast_memcpy(d, s, w);
d += ds;
s += ss;
}
for (i=h-1; i; i--) {
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"2: \n\t"
"movq (%%"REG_S"), %%mm0 \n\t"
"movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
"pavgb %%mm0, %%mm1 \n\t"
"add $8, %%"REG_S" \n\t"
"pavgb %%mm0, %%mm1 \n\t"
"movq %%mm1, (%%"REG_D") \n\t"
"add $8, %%"REG_D" \n\t"
"decl %%ecx \n\t"
"jnz 2b \n\t"
: "=S"(crap1), "=D"(crap2)
: "c"(w>>3), "S"(s), "D"(d), "a"((long)ssd)
);
for (j=w-(w&7); j<w; j++)
d[j] = (s[j+ssd] + 3*s[j])>>2;
d += ds;
s += ss;
}
if (!up) fast_memcpy(d, s, w);
asm volatile("emms \n\t" : : : "memory");
}
#endif
#ifdef HAVE_MMX
static void qpel_li_MMX(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
{
int i, j, ssd=ss;
int crap1, crap2;
if (up) {
ssd = -ss;
fast_memcpy(d, s, w);
d += ds;
s += ss;
}
for (i=h-1; i; i--) {
asm volatile(
"pxor %%mm7, %%mm7 \n\t"
"3: \n\t"
"movq (%%"REG_S"), %%mm0 \n\t"
"movq (%%"REG_S"), %%mm1 \n\t"
"movq (%%"REG_S",%%"REG_a"), %%mm2 \n\t"
"movq (%%"REG_S",%%"REG_a"), %%mm3 \n\t"
"add $8, %%"REG_S" \n\t"
"punpcklbw %%mm7, %%mm0 \n\t"
"punpckhbw %%mm7, %%mm1 \n\t"
"punpcklbw %%mm7, %%mm2 \n\t"
"punpckhbw %%mm7, %%mm3 \n\t"
"paddw %%mm0, %%mm2 \n\t"
"paddw %%mm1, %%mm3 \n\t"
"paddw %%mm0, %%mm2 \n\t"
"paddw %%mm1, %%mm3 \n\t"
"paddw %%mm0, %%mm2 \n\t"
"paddw %%mm1, %%mm3 \n\t"
"psrlw $2, %%mm2 \n\t"
"psrlw $2, %%mm3 \n\t"
"packsswb %%mm3, %%mm2 \n\t"
"movq %%mm2, (%%"REG_D") \n\t"
"add $8, %%"REG_D" \n\t"
"decl %%ecx \n\t"
"jnz 3b \n\t"
: "=S"(crap1), "=D"(crap2)
: "c"(w>>3), "S"(s), "D"(d), "a"((long)ssd)
);
for (j=w-(w&7); j<w; j++)
d[j] = (s[j+ssd] + 3*s[j])>>2;
d += ds;
s += ss;
}
if (!up) fast_memcpy(d, s, w);
asm volatile("emms \n\t" : : : "memory");
}
static void qpel_4tap_MMX(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
{
int i, j, ssd=ss;
static const short filter[] = {
29, 29, 29, 29, 110, 110, 110, 110,
9, 9, 9, 9, 3, 3, 3, 3,
64, 64, 64, 64 };
int crap1, crap2;
if (up) {
ssd = -ss;
fast_memcpy(d, s, w);
d += ds; s += ss;
}
for (j=0; j<w; j++)
d[j] = (s[j+ssd] + 3*s[j])>>2;
d += ds; s += ss;
for (i=h-3; i; i--) {
asm volatile(
"pxor %%mm0, %%mm0 \n\t"
"movq (%%"REG_d"), %%mm4 \n\t"
"movq 8(%%"REG_d"), %%mm5 \n\t"
"movq 16(%%"REG_d"), %%mm6 \n\t"
"movq 24(%%"REG_d"), %%mm7 \n\t"
"4: \n\t"
"movq (%%"REG_S",%%"REG_a"), %%mm1 \n\t"
"movq (%%"REG_S"), %%mm2 \n\t"
"movq (%%"REG_S",%%"REG_b"), %%mm3 \n\t"
"punpcklbw %%mm0, %%mm1 \n\t"
"punpcklbw %%mm0, %%mm2 \n\t"
"pmullw %%mm4, %%mm1 \n\t"
"punpcklbw %%mm0, %%mm3 \n\t"
"pmullw %%mm5, %%mm2 \n\t"
"paddusw %%mm2, %%mm1 \n\t"
"pmullw %%mm6, %%mm3 \n\t"
"movq (%%"REG_S",%%"REG_a",2), %%mm2 \n\t"
"psubusw %%mm3, %%mm1 \n\t"
"punpcklbw %%mm0, %%mm2 \n\t"
"pmullw %%mm7, %%mm2 \n\t"
"psubusw %%mm2, %%mm1 \n\t"
"psrlw $7, %%mm1 \n\t"
"movq (%%"REG_S",%%"REG_a"), %%mm2 \n\t"
"movq (%%"REG_S"), %%mm3 \n\t"
"punpckhbw %%mm0, %%mm2 \n\t"
"punpckhbw %%mm0, %%mm3 \n\t"
"pmullw %%mm4, %%mm2 \n\t"
"pmullw %%mm5, %%mm3 \n\t"
"paddusw %%mm3, %%mm2 \n\t"
"movq (%%"REG_S",%%"REG_b"), %%mm3 \n\t"
"punpckhbw %%mm0, %%mm3 \n\t"
"pmullw %%mm6, %%mm3 \n\t"
"psubusw %%mm3, %%mm2 \n\t"
"movq (%%"REG_S",%%"REG_a",2), %%mm3 \n\t"
"punpckhbw %%mm0, %%mm3 \n\t"
"add $8, %%"REG_S" \n\t"
"pmullw %%mm7, %%mm3 \n\t"
"psubusw %%mm3, %%mm2 \n\t"
"psrlw $7, %%mm2 \n\t"
"packuswb %%mm2, %%mm1 \n\t"
"movq %%mm1, (%%"REG_D") \n\t"
"add $8, %%"REG_D" \n\t"
"decl %%ecx \n\t"
"jnz 4b \n\t"
: "=S"(crap1), "=D"(crap2)
: "c"(w>>3), "S"(s), "D"(d), "a"((long)ssd), "b"((long)-ssd), "d"(filter)
);
for (j=w-(w&7); j<w; j++)
d[j] = (-9*s[j-ssd] + 111*s[j] + 29*s[j+ssd] - 3*s[j+ssd+ssd])>>7;
d += ds;
s += ss;
}
for (j=0; j<w; j++)
d[j] = (s[j+ssd] + 3*s[j])>>2;
d += ds; s += ss;
if (!up) fast_memcpy(d, s, w);
asm volatile("emms \n\t" : : : "memory");
}
#endif
static inline int clamp(int a)
{
// If a<512, this is equivalent to:
// return (a<0) ? 0 : ( (a>255) ? 255 : a);
return (~(a>>31)) & (a | ((a<<23)>>31));
}
static void qpel_li_C(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
{
int i, j, ssd=ss;
if (up) {
ssd = -ss;
fast_memcpy(d, s, w);
d += ds;
s += ss;
}
for (i=h-1; i; i--) {
for (j=0; j<w; j++)
d[j] = (s[j+ssd] + 3*s[j])>>2;
d += ds;
s += ss;
}
if (!up) fast_memcpy(d, s, w);
}
static void qpel_4tap_C(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up)
{
int i, j, ssd=ss;
if (up) {
ssd = -ss;
fast_memcpy(d, s, w);
d += ds; s += ss;
}
for (j=0; j<w; j++)
d[j] = (s[j+ssd] + 3*s[j] + 2)>>2;
d += ds; s += ss;
for (i=h-3; i; i--) {
for (j=0; j<w; j++)
d[j] = clamp((-9*s[j-ssd] + 111*s[j] + 29*s[j+ssd] - 3*s[j+ssd+ssd] + 64)>>7);
d += ds; s += ss;
}
for (j=0; j<w; j++)
d[j] = (s[j+ssd] + 3*s[j] + 2)>>2;
d += ds; s += ss;
if (!up) fast_memcpy(d, s, w);
}
static void (*qpel_li)(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up);
static void (*qpel_4tap)(unsigned char *d, unsigned char *s, int w, int h, int ds, int ss, int up);
static int continue_buffered_image(struct vf_instance_s *);
extern int correct_pts;
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts)
{
vf->priv->buffered_mpi = mpi;
vf->priv->buffered_pts = pts;
vf->priv->buffered_i = 0;
return continue_buffered_image(vf);
}
static int continue_buffered_image(struct vf_instance_s *vf)
{
int i=vf->priv->buffered_i;
double pts = vf->priv->buffered_pts;
mp_image_t *mpi = vf->priv->buffered_mpi;
int ret=0;
mp_image_t *dmpi;
void (*qpel)(unsigned char *, unsigned char *, int, int, int, int, int);
int bpp=1;
int tff;
if (i == 0)
vf_queue_frame(vf, continue_buffered_image);
pts += i * .02; // XXX not right
if (!(mpi->flags & MP_IMGFLAG_PLANAR)) bpp = mpi->bpp/8;
if (vf->priv->parity < 0) {
if (mpi->fields & MP_IMGFIELD_ORDERED)
tff = mpi->fields & MP_IMGFIELD_TOP_FIRST;
else
tff = 1;
}
else tff = (vf->priv->parity&1)^1;
switch (vf->priv->mode) {
case 2:
qpel = qpel_li;
break;
case 3:
// TODO: add 3tap filter
qpel = qpel_4tap;
break;
case 4:
qpel = qpel_4tap;
break;
}
switch (vf->priv->mode) {
case 0:
for (; i<2; i++) {
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_EXPORT, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->width, mpi->height/2);
dmpi->planes[0] = mpi->planes[0] + (i^!tff)*mpi->stride[0];
dmpi->stride[0] = 2*mpi->stride[0];
if (mpi->flags & MP_IMGFLAG_PLANAR) {
dmpi->planes[1] = mpi->planes[1] + (i^!tff)*mpi->stride[1];
dmpi->planes[2] = mpi->planes[2] + (i^!tff)*mpi->stride[2];
dmpi->stride[1] = 2*mpi->stride[1];
dmpi->stride[2] = 2*mpi->stride[2];
}
ret |= vf_next_put_image(vf, dmpi, pts);
if (correct_pts)
break;
else
if (!i) vf_next_control(vf, VFCTRL_FLIP_PAGE, NULL);
}
break;
case 1:
for (; i<2; i++) {
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->width, mpi->height);
my_memcpy_pic(dmpi->planes[0] + (i^!tff)*dmpi->stride[0],
mpi->planes[0] + (i^!tff)*mpi->stride[0],
mpi->w*bpp, mpi->h/2, dmpi->stride[0]*2, mpi->stride[0]*2);
deint(dmpi->planes[0], dmpi->stride[0], mpi->planes[0], mpi->stride[0], mpi->w, mpi->h, (i^!tff));
if (mpi->flags & MP_IMGFLAG_PLANAR) {
my_memcpy_pic(dmpi->planes[1] + (i^!tff)*dmpi->stride[1],
mpi->planes[1] + (i^!tff)*mpi->stride[1],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[1]*2, mpi->stride[1]*2);
my_memcpy_pic(dmpi->planes[2] + (i^!tff)*dmpi->stride[2],
mpi->planes[2] + (i^!tff)*mpi->stride[2],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[2]*2, mpi->stride[2]*2);
deint(dmpi->planes[1], dmpi->stride[1], mpi->planes[1], mpi->stride[1],
mpi->chroma_width, mpi->chroma_height, (i^!tff));
deint(dmpi->planes[2], dmpi->stride[2], mpi->planes[2], mpi->stride[2],
mpi->chroma_width, mpi->chroma_height, (i^!tff));
}
ret |= vf_next_put_image(vf, dmpi, pts);
if (correct_pts)
break;
else
if (!i) vf_next_control(vf, VFCTRL_FLIP_PAGE, NULL);
}
break;
case 2:
case 3:
case 4:
for (; i<2; i++) {
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
mpi->width, mpi->height/2);
qpel(dmpi->planes[0], mpi->planes[0] + (i^!tff)*mpi->stride[0],
mpi->w*bpp, mpi->h/2, dmpi->stride[0], mpi->stride[0]*2, (i^!tff));
if (mpi->flags & MP_IMGFLAG_PLANAR) {
qpel(dmpi->planes[1],
mpi->planes[1] + (i^!tff)*mpi->stride[1],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[1], mpi->stride[1]*2, (i^!tff));
qpel(dmpi->planes[2],
mpi->planes[2] + (i^!tff)*mpi->stride[2],
mpi->chroma_width, mpi->chroma_height/2,
dmpi->stride[2], mpi->stride[2]*2, (i^!tff));
}
ret |= vf_next_put_image(vf, dmpi, pts);
if (correct_pts)
break;
else
if (!i) vf_next_control(vf, VFCTRL_FLIP_PAGE, NULL);
}
break;
}
vf->priv->buffered_i = 1;
return ret;
}
static int query_format(struct vf_instance_s* vf, unsigned int fmt)
{
/* FIXME - figure out which other formats work */
switch (fmt) {
case IMGFMT_YV12:
case IMGFMT_IYUV:
case IMGFMT_I420:
return vf_next_query_format(vf, fmt);
}
return 0;
}
static int config(struct vf_instance_s* vf,
int width, int height, int d_width, int d_height,
unsigned int flags, unsigned int outfmt)
{
switch (vf->priv->mode) {
case 0:
case 2:
case 3:
case 4:
return vf_next_config(vf,width,height/2,d_width,d_height,flags,outfmt);
case 1:
return vf_next_config(vf,width,height,d_width,d_height,flags,outfmt);
}
return 0;
}
static void uninit(struct vf_instance_s* vf)
{
free(vf->priv);
}
static int open(vf_instance_t *vf, char* args)
{
struct vf_priv_s *p;
vf->config = config;
vf->put_image = put_image;
//vf->query_format = query_format;
vf->uninit = uninit;
vf->default_reqs = VFCAP_ACCEPT_STRIDE;
vf->priv = p = calloc(1, sizeof(struct vf_priv_s));
vf->priv->mode = 4;
vf->priv->parity = -1;
if (args) sscanf(args, "%d:%d", &vf->priv->mode, &vf->priv->parity);
qpel_li = qpel_li_C;
qpel_4tap = qpel_4tap_C;
#ifdef HAVE_MMX
if(gCpuCaps.hasMMX) qpel_li = qpel_li_MMX;
if(gCpuCaps.hasMMX) qpel_4tap = qpel_4tap_MMX;
#endif
#ifdef HAVE_MMX2
if(gCpuCaps.hasMMX2) qpel_li = qpel_li_MMX2;
#endif
#ifdef HAVE_3DNOW
if(gCpuCaps.has3DNow) qpel_li = qpel_li_3DNOW;
#endif
return 1;
}
vf_info_t vf_info_tfields = {
"temporal field separation",
"tfields",
"Rich Felker",
"",
open,
NULL
};