mirror of
https://github.com/mpv-player/mpv
synced 2024-12-24 07:42:17 +00:00
47ef593617
git-svn-id: svn://svn.mplayerhq.hu/mplayer/trunk@26759 b3059339-0415-0410-9bf9-f77b7e298cf2
236 lines
6.9 KiB
C
236 lines
6.9 KiB
C
/*
|
|
* Copyright (C) 2003 Michael Zucchi <notzed@ximian.com>
|
|
*
|
|
* 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 "config.h"
|
|
#include "mp_msg.h"
|
|
|
|
#include "img_format.h"
|
|
#include "mp_image.h"
|
|
#include "vf.h"
|
|
|
|
#include "libvo/fastmemcpy.h"
|
|
|
|
struct vf_priv_s {
|
|
int mode;
|
|
int frame;
|
|
mp_image_t *dmpi;
|
|
};
|
|
|
|
static int put_image(struct vf_instance_s* vf, mp_image_t *mpi, double pts)
|
|
{
|
|
int ret = 0;
|
|
mp_image_t *dmpi;
|
|
|
|
switch (vf->priv->mode) {
|
|
case 0:
|
|
dmpi = vf->priv->dmpi;
|
|
if (dmpi == NULL) {
|
|
dmpi = vf_get_image(vf->next, mpi->imgfmt,
|
|
MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE |
|
|
MP_IMGFLAG_PRESERVE,
|
|
mpi->width, mpi->height*2);
|
|
|
|
vf->priv->dmpi = dmpi;
|
|
|
|
memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h,
|
|
dmpi->stride[0]*2, mpi->stride[0]);
|
|
if (mpi->flags & MP_IMGFLAG_PLANAR) {
|
|
memcpy_pic(dmpi->planes[1], mpi->planes[1],
|
|
mpi->chroma_width, mpi->chroma_height,
|
|
dmpi->stride[1]*2, mpi->stride[1]);
|
|
memcpy_pic(dmpi->planes[2], mpi->planes[2],
|
|
mpi->chroma_width, mpi->chroma_height,
|
|
dmpi->stride[2]*2, mpi->stride[2]);
|
|
}
|
|
} else {
|
|
vf->priv->dmpi = NULL;
|
|
|
|
memcpy_pic(dmpi->planes[0]+dmpi->stride[0], mpi->planes[0], mpi->w, mpi->h,
|
|
dmpi->stride[0]*2, mpi->stride[0]);
|
|
if (mpi->flags & MP_IMGFLAG_PLANAR) {
|
|
memcpy_pic(dmpi->planes[1]+dmpi->stride[1], mpi->planes[1],
|
|
mpi->chroma_width, mpi->chroma_height,
|
|
dmpi->stride[1]*2, mpi->stride[1]);
|
|
memcpy_pic(dmpi->planes[2]+dmpi->stride[2], mpi->planes[2],
|
|
mpi->chroma_width, mpi->chroma_height,
|
|
dmpi->stride[2]*2, mpi->stride[2]);
|
|
}
|
|
ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
|
|
}
|
|
break;
|
|
case 1:
|
|
if (vf->priv->frame & 1)
|
|
ret = vf_next_put_image(vf, mpi, MP_NOPTS_VALUE);
|
|
break;
|
|
case 2:
|
|
if ((vf->priv->frame & 1) == 0)
|
|
ret = vf_next_put_image(vf, mpi, MP_NOPTS_VALUE);
|
|
break;
|
|
case 3:
|
|
dmpi = vf_get_image(vf->next, mpi->imgfmt,
|
|
MP_IMGTYPE_TEMP, MP_IMGFLAG_ACCEPT_STRIDE,
|
|
mpi->width, mpi->height*2);
|
|
/* fixme, just clear alternate lines */
|
|
vf_mpi_clear(dmpi, 0, 0, dmpi->w, dmpi->h);
|
|
if ((vf->priv->frame & 1) == 0) {
|
|
memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h,
|
|
dmpi->stride[0]*2, mpi->stride[0]);
|
|
if (mpi->flags & MP_IMGFLAG_PLANAR) {
|
|
memcpy_pic(dmpi->planes[1], mpi->planes[1],
|
|
mpi->chroma_width, mpi->chroma_height,
|
|
dmpi->stride[1]*2, mpi->stride[1]);
|
|
memcpy_pic(dmpi->planes[2], mpi->planes[2],
|
|
mpi->chroma_width, mpi->chroma_height,
|
|
dmpi->stride[2]*2, mpi->stride[2]);
|
|
}
|
|
} else {
|
|
memcpy_pic(dmpi->planes[0]+dmpi->stride[0], mpi->planes[0], mpi->w, mpi->h,
|
|
dmpi->stride[0]*2, mpi->stride[0]);
|
|
if (mpi->flags & MP_IMGFLAG_PLANAR) {
|
|
memcpy_pic(dmpi->planes[1]+dmpi->stride[1], mpi->planes[1],
|
|
mpi->chroma_width, mpi->chroma_height,
|
|
dmpi->stride[1]*2, mpi->stride[1]);
|
|
memcpy_pic(dmpi->planes[2]+dmpi->stride[2], mpi->planes[2],
|
|
mpi->chroma_width, mpi->chroma_height,
|
|
dmpi->stride[2]*2, mpi->stride[2]);
|
|
}
|
|
}
|
|
ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
|
|
break;
|
|
case 4:
|
|
// Interleave even lines (only) from Frame 'i' with odd
|
|
// lines (only) from Frame 'i+1', halving the Frame
|
|
// rate and preserving image height.
|
|
|
|
dmpi = vf->priv->dmpi;
|
|
|
|
// @@ Need help: Should I set dmpi->fields to indicate
|
|
// that the (new) frame will be interlaced!? E.g. ...
|
|
// dmpi->fields |= MP_IMGFIELD_INTERLACED;
|
|
// dmpi->fields |= MP_IMGFIELD_TOP_FIRST;
|
|
// etc.
|
|
|
|
if (dmpi == NULL) {
|
|
dmpi = vf_get_image(vf->next, mpi->imgfmt,
|
|
MP_IMGTYPE_STATIC, MP_IMGFLAG_ACCEPT_STRIDE |
|
|
MP_IMGFLAG_PRESERVE,
|
|
mpi->width, mpi->height);
|
|
|
|
vf->priv->dmpi = dmpi;
|
|
|
|
my_memcpy_pic(dmpi->planes[0], mpi->planes[0], mpi->w, mpi->h/2,
|
|
dmpi->stride[0]*2, mpi->stride[0]*2);
|
|
if (mpi->flags & MP_IMGFLAG_PLANAR) {
|
|
my_memcpy_pic(dmpi->planes[1], mpi->planes[1],
|
|
mpi->chroma_width, mpi->chroma_height/2,
|
|
dmpi->stride[1]*2, mpi->stride[1]*2);
|
|
my_memcpy_pic(dmpi->planes[2], mpi->planes[2],
|
|
mpi->chroma_width, mpi->chroma_height/2,
|
|
dmpi->stride[2]*2, mpi->stride[2]*2);
|
|
}
|
|
} else {
|
|
vf->priv->dmpi = NULL;
|
|
|
|
my_memcpy_pic(dmpi->planes[0]+dmpi->stride[0],
|
|
mpi->planes[0]+mpi->stride[0],
|
|
mpi->w, mpi->h/2,
|
|
dmpi->stride[0]*2, mpi->stride[0]*2);
|
|
if (mpi->flags & MP_IMGFLAG_PLANAR) {
|
|
my_memcpy_pic(dmpi->planes[1]+dmpi->stride[1],
|
|
mpi->planes[1]+mpi->stride[1],
|
|
mpi->chroma_width, mpi->chroma_height/2,
|
|
dmpi->stride[1]*2, mpi->stride[1]*2);
|
|
my_memcpy_pic(dmpi->planes[2]+dmpi->stride[2],
|
|
mpi->planes[2]+mpi->stride[2],
|
|
mpi->chroma_width, mpi->chroma_height/2,
|
|
dmpi->stride[2]*2, mpi->stride[2]*2);
|
|
}
|
|
ret = vf_next_put_image(vf, dmpi, MP_NOPTS_VALUE);
|
|
}
|
|
break;
|
|
}
|
|
|
|
vf->priv->frame++;
|
|
|
|
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 3:
|
|
return vf_next_config(vf,width,height*2,d_width,d_height*2,flags,outfmt);
|
|
case 1: /* odd frames */
|
|
case 2: /* even frames */
|
|
case 4: /* alternate frame (height-preserving) interlacing */
|
|
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 = 0;
|
|
if (args)
|
|
sscanf(args, "%d", &vf->priv->mode);
|
|
vf->priv->frame = 0;
|
|
return 1;
|
|
}
|
|
|
|
const vf_info_t vf_info_tinterlace = {
|
|
"temporal field interlacing",
|
|
"tinterlace",
|
|
"Michael Zucchi",
|
|
"",
|
|
open,
|
|
NULL
|
|
};
|