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mpv/libmpcodecs/vf_harddup.c
Uoti Urpala b0986b3760 Merge svn changes up to r30463
Note that r30455 is wrong, that commit does not in fact change the
default behavior as claimed in the commit message. It only breaks
"-af-adv force=0", which was already pretty much useless though.
2010-03-09 18:59:15 +02:00

93 lines
2.3 KiB
C

/*
* 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"
struct vf_priv_s {
mp_image_t *last_mpi;
};
static int put_image(struct vf_instance* vf, mp_image_t *mpi, double pts)
{
mp_image_t *dmpi;
vf->priv->last_mpi = mpi;
dmpi = vf_get_image(vf->next, mpi->imgfmt,
MP_IMGTYPE_EXPORT, 0, mpi->width, mpi->height);
dmpi->planes[0] = mpi->planes[0];
dmpi->stride[0] = mpi->stride[0];
if (dmpi->flags&MP_IMGFLAG_PLANAR) {
dmpi->planes[1] = mpi->planes[1];
dmpi->stride[1] = mpi->stride[1];
dmpi->planes[2] = mpi->planes[2];
dmpi->stride[2] = mpi->stride[2];
}
return vf_next_put_image(vf, dmpi, pts);
}
static int control(struct vf_instance* vf, int request, void* data)
{
switch (request) {
case VFCTRL_DUPLICATE_FRAME:
if (!vf->priv->last_mpi) break;
// This is a huge hack. We assume nothing
// has been called earlier in the filter chain
// since the last put_image. This is reasonable
// because we're handling a duplicate frame!
if (put_image(vf, vf->priv->last_mpi, MP_NOPTS_VALUE))
return CONTROL_TRUE;
break;
}
return vf_next_control(vf, request, data);
}
static void uninit(struct vf_instance* vf)
{
free(vf->priv);
}
static int open(vf_instance_t *vf, char* args)
{
vf->put_image = put_image;
vf->control = control;
vf->uninit = uninit;
vf->priv = calloc(1, sizeof(struct vf_priv_s));
return 1;
}
const vf_info_t vf_info_harddup = {
"resubmit duplicate frames for encoding",
"harddup",
"Rich Felker",
"",
open,
NULL
};