mirror of https://github.com/FFmpeg/FFmpeg.git
Same funcionality is provided by stereo3d=ab[2]{l,r}:sbs[2]{l,r}.
Additional "features" are barely useful and cause crash or artifacts.
Signed-off-by: Paul B Mahol <onemda@gmail.com>
pull/15/head
Paul B Mahol
12 years ago
parent
0327400ee3
commit
2f11aa141a
5 changed files with 1 additions and 171 deletions
@ -1,166 +0,0 @@ |
||||
/*
|
||||
* This file is part of MPlayer. |
||||
* |
||||
* MPlayer is free software; you can redistribute it and/or modify |
||||
* it under the terms of the GNU General Public License as published by |
||||
* the Free Software Foundation; either version 2 of the License, or |
||||
* (at your option) any later version. |
||||
* |
||||
* MPlayer is distributed in the hope that it will be useful, |
||||
* but WITHOUT ANY WARRANTY; without even the implied warranty of |
||||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
||||
* GNU General Public License for more details. |
||||
* |
||||
* You should have received a copy of the GNU General Public License along |
||||
* with MPlayer; if not, write to the Free Software Foundation, Inc., |
||||
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA. |
||||
*/ |
||||
|
||||
#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" |
||||
|
||||
struct vf_priv_s { |
||||
int skipline; |
||||
int scalew; |
||||
int scaleh; |
||||
}; |
||||
|
||||
static void toright(unsigned char *dst[3], unsigned char *src[3], |
||||
int dststride[3], 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]; |
||||
int src = srcstride[k]; |
||||
int dst = dststride[k]; |
||||
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[0] + sL[1]) / 2; |
||||
sL+=2; |
||||
} |
||||
for (j = dd ; j > 0; j--) { |
||||
*t++ = (sR[0] + sR[1]) / 2; |
||||
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) { |
||||
fast_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 *vf, mp_image_t *mpi, double pts) |
||||
{ |
||||
mp_image_t *dmpi; |
||||
|
||||
// hope we'll get DR buffer:
|
||||
dmpi=ff_vf_get_image(vf->next, IMGFMT_YV12, |
||||
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE | |
||||
((vf->priv->scaleh == 1) ? MP_IMGFLAG_READABLE : 0), |
||||
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 ff_vf_next_put_image(vf,dmpi, pts); |
||||
} |
||||
|
||||
static int config(struct vf_instance *vf, |
||||
int width, int height, int d_width, int d_height, |
||||
unsigned int flags, unsigned int outfmt) |
||||
{ |
||||
/* FIXME - also support UYVY output? */ |
||||
return ff_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 *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 ff_vf_next_query_format(vf, IMGFMT_YV12); |
||||
} |
||||
return 0; |
||||
} |
||||
|
||||
static void uninit(struct vf_instance *vf) |
||||
{ |
||||
free(vf->priv); |
||||
} |
||||
|
||||
static int vf_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:%d:%d", &vf->priv->skipline, &vf->priv->scalew, &vf->priv->scaleh); |
||||
|
||||
return 1; |
||||
} |
||||
|
||||
const vf_info_t ff_vf_info_down3dright = { |
||||
"convert stereo movie from top-bottom to left-right field", |
||||
"down3dright", |
||||
"Zdenek Kabelac", |
||||
"", |
||||
vf_open, |
||||
NULL |
||||
}; |
||||
Loading…
Reference in new issue