mirror of
https://github.com/mpv-player/mpv
synced 2024-11-03 03:19:24 +01:00
33b62af947
Syntax is we decided, so you can give the nomes or not with both vop and vf. vf take precedence over vop. git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@9594 b3059339-0415-0410-9bf9-f77b7e298cf2
146 lines
3.2 KiB
C
146 lines
3.2 KiB
C
#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"
|
|
|
|
struct vf_priv_s {
|
|
int skipline;
|
|
int scalew;
|
|
int scaleh;
|
|
};
|
|
|
|
static void toright(unsigned char *dst[3], unsigned char *src[3],
|
|
unsigned int dststride[3], unsigned int srcstride[3],
|
|
int w, int h, struct vf_priv_s* p)
|
|
{
|
|
int k;
|
|
|
|
for (k = 0; k < 3; k++) {
|
|
unsigned char* fromL = src[k];
|
|
unsigned char* fromR = src[k];
|
|
unsigned char* to = dst[k];
|
|
unsigned int src = srcstride[k];
|
|
unsigned int dst = dststride[k];
|
|
unsigned int ss;
|
|
unsigned int dd;
|
|
int i;
|
|
|
|
if (k > 0) {
|
|
i = h / 4 - p->skipline / 2;
|
|
ss = src * (h / 4 + p->skipline / 2);
|
|
dd = w / 4;
|
|
} else {
|
|
i = h / 2 - p->skipline;
|
|
ss = src * (h / 2 + p->skipline);
|
|
dd = w / 2;
|
|
}
|
|
fromR += ss;
|
|
for ( ; i > 0; i--) {
|
|
int j;
|
|
unsigned char* t = to;
|
|
unsigned char* sL = fromL;
|
|
unsigned char* sR = fromR;
|
|
|
|
if (p->scalew == 1) {
|
|
for (j = dd; j > 0; j--)
|
|
*t++ = (*sL++ + *sL++) / 2;
|
|
for (j = dd ; j > 0; j--)
|
|
*t++ = (*sR++ + *sR++) / 2;
|
|
} else {
|
|
for (j = dd * 2 ; j > 0; j--)
|
|
*t++ = *sL++;
|
|
for (j = dd * 2 ; j > 0; j--)
|
|
*t++ = *sR++;
|
|
}
|
|
if (p->scaleh == 1) {
|
|
memcpy(to + dst, to, dst);
|
|
to += dst;
|
|
}
|
|
to += dst;
|
|
fromL += src;
|
|
fromR += src;
|
|
}
|
|
//printf("K %d %d %d %d %d \n", k, w, h, src, dst);
|
|
}
|
|
}
|
|
|
|
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_YV12,
|
|
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
|
|
mpi->w * vf->priv->scalew,
|
|
mpi->h / vf->priv->scaleh - vf->priv->skipline);
|
|
|
|
toright(dmpi->planes, mpi->planes, dmpi->stride,
|
|
mpi->stride, mpi->w, mpi->h, vf->priv);
|
|
|
|
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 * vf->priv->scalew,
|
|
height / vf->priv->scaleh - vf->priv->skipline, d_width, d_height, flags, IMGFMT_YV12);
|
|
}
|
|
|
|
|
|
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_YV12);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
static void uninit(struct vf_instance_s* vf)
|
|
{
|
|
free(vf->priv);
|
|
}
|
|
|
|
static int open(vf_instance_t *vf, char* args)
|
|
{
|
|
vf->config=config;
|
|
vf->query_format=query_format;
|
|
vf->put_image=put_image;
|
|
vf->uninit=uninit;
|
|
|
|
vf->priv = calloc(1, sizeof (struct vf_priv_s));
|
|
vf->priv->skipline = 0;
|
|
vf->priv->scalew = 1;
|
|
vf->priv->scaleh = 2;
|
|
if (args) sscanf(args, "%d", &vf->priv->skipline);
|
|
|
|
return 1;
|
|
}
|
|
|
|
vf_info_t vf_info_down3dright = {
|
|
"convert stereo movie from top-bottom to left-right field",
|
|
"down3dright",
|
|
"Zdenek Kabelac",
|
|
"",
|
|
open,
|
|
NULL
|
|
};
|
|
|