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/*
* 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 "common/msg.h"
#include "common/common.h"
#include "video/img_format.h"
#include "video/mp_image.h"
#include "vf.h"
#include "options/m_option.h"
struct vf_priv_s {
int fmt;
int outfmt;
};
static bool is_compatible(int fmt1, int fmt2)
{
struct mp_imgfmt_desc d1 = mp_imgfmt_get_desc(fmt1);
struct mp_imgfmt_desc d2 = mp_imgfmt_get_desc(fmt2);
if (d1.num_planes < d2.num_planes)
return false;
if (!(d1.flags & MP_IMGFLAG_BYTE_ALIGNED) ||
!(d2.flags & MP_IMGFLAG_BYTE_ALIGNED))
return false;
for (int n = 0; n < MPMIN(d1.num_planes, d2.num_planes); n++) {
if (d1.bytes[n] != d2.bytes[n])
return false;
if (d1.xs[n] != d2.xs[n] || d1.ys[n] != d2.ys[n])
return false;
}
return true;
}
static int query_format(struct vf_instance *vf, unsigned int fmt)
{
if (fmt == vf->priv->fmt || !vf->priv->fmt) {
if (vf->priv->outfmt) {
if (!is_compatible(fmt, vf->priv->outfmt))
return 0;
fmt = vf->priv->outfmt;
}
return vf_next_query_format(vf, fmt);
}
return 0;
}
static int reconfig(struct vf_instance *vf, struct mp_image_params *in,
struct mp_image_params *out)
{
*out = *in;
if (vf->priv->outfmt)
out->imgfmt = vf->priv->outfmt;
return 0;
}
static struct mp_image *filter(struct vf_instance *vf, struct mp_image *mpi)
{
if (vf->priv->outfmt)
mp_image_setfmt(mpi, vf->priv->outfmt);
return mpi;
}
static int vf_open(vf_instance_t *vf)
{
vf->query_format = query_format;
vf->reconfig = reconfig;
vf->filter = filter;
return 1;
}
#define OPT_BASE_STRUCT struct vf_priv_s
static const m_option_t vf_opts_fields[] = {
OPT_IMAGEFORMAT("fmt", fmt, 0),
OPT_IMAGEFORMAT("outfmt", outfmt, 0),
{0}
};
const vf_info_t vf_info_format = {
.description = "force output format",
.name = "format",
.open = vf_open,
.priv_size = sizeof(struct vf_priv_s),
.options = vf_opts_fields,
};
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