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/*
* Copyright (C) 2002 Michael Niedermayer <michaelni@gmx.at>
*
* 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 <assert.h>
#include "mp_msg.h"
#include "img_format.h"
#include "mp_image.h"
#include "vf.h"
//===========================================================================//
static void get_image(struct vf_instance *vf, mp_image_t *mpi){
mp_image_t *dmpi= vf_get_image(vf->next, mpi->imgfmt,
mpi->type, mpi->flags, mpi->w, mpi->h);
mpi->planes[0]=dmpi->planes[0];
mpi->planes[1]=dmpi->planes[2];
mpi->planes[2]=dmpi->planes[1];
mpi->stride[0]=dmpi->stride[0];
mpi->stride[1]=dmpi->stride[2];
mpi->stride[2]=dmpi->stride[1];
mpi->width=dmpi->width;
mpi->flags|=MP_IMGFLAG_DIRECT;
mpi->priv=(void*)dmpi;
}
static int put_image(struct vf_instance *vf, mp_image_t *mpi, double pts){
mp_image_t *dmpi;
if(mpi->flags&MP_IMGFLAG_DIRECT){
dmpi=(mp_image_t*)mpi->priv;
} else {
dmpi=vf_get_image(vf->next, mpi->imgfmt, MP_IMGTYPE_EXPORT, 0, mpi->w, mpi->h);
assert(mpi->flags&MP_IMGFLAG_PLANAR);
dmpi->planes[0]=mpi->planes[0];
dmpi->planes[1]=mpi->planes[2];
dmpi->planes[2]=mpi->planes[1];
dmpi->stride[0]=mpi->stride[0];
dmpi->stride[1]=mpi->stride[2];
dmpi->stride[2]=mpi->stride[1];
dmpi->width=mpi->width;
}
vf_clone_mpi_attributes(dmpi, mpi);
return vf_next_put_image(vf,dmpi, pts);
}
//===========================================================================//
static int query_format(struct vf_instance *vf, unsigned int fmt){
switch(fmt)
{
case IMGFMT_YV12:
case IMGFMT_I420:
case IMGFMT_IYUV:
case IMGFMT_YVU9:
case IMGFMT_444P:
case IMGFMT_422P:
case IMGFMT_411P:
return vf_next_query_format(vf, fmt);
}
return 0;
}
static int vf_open(vf_instance_t *vf, char *args){
vf->put_image=put_image;
vf->get_image=get_image;
vf->query_format=query_format;
return 1;
}
const vf_info_t vf_info_swapuv = {
"UV swapper",
"swapuv",
"Michael Niedermayer",
"",
vf_open,
NULL
};
//===========================================================================//
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