mirror of
https://github.com/mpv-player/mpv
synced 2024-12-23 23:32:26 +00:00
04c02796bd
Instead of bstr. Most callers of this function do not need bstr. The bstr version of this function is now mp_path_join_bstr().
155 lines
3.7 KiB
C
155 lines
3.7 KiB
C
/*
|
|
* This file is part of mpv.
|
|
*
|
|
* mpv 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.
|
|
*
|
|
* mpv 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 mpv. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <math.h>
|
|
#include <stdbool.h>
|
|
#include <sys/stat.h>
|
|
|
|
#include <libswscale/swscale.h>
|
|
|
|
#include "config.h"
|
|
#include "misc/bstr.h"
|
|
#include "osdep/io.h"
|
|
#include "options/path.h"
|
|
#include "talloc.h"
|
|
#include "common/common.h"
|
|
#include "common/msg.h"
|
|
#include "video/out/vo.h"
|
|
#include "video/csputils.h"
|
|
#include "video/mp_image.h"
|
|
#include "video/fmt-conversion.h"
|
|
#include "video/image_writer.h"
|
|
#include "video/sws_utils.h"
|
|
#include "sub/osd.h"
|
|
#include "options/m_option.h"
|
|
|
|
struct priv {
|
|
struct image_writer_opts *opts;
|
|
char *outdir;
|
|
|
|
struct mp_image *current;
|
|
int frame;
|
|
};
|
|
|
|
static bool checked_mkdir(struct vo *vo, const char *buf)
|
|
{
|
|
MP_INFO(vo, "Creating output directory '%s'...\n", buf);
|
|
if (mkdir(buf, 0755) < 0) {
|
|
char *errstr = mp_strerror(errno);
|
|
if (errno == EEXIST) {
|
|
struct stat stat_p;
|
|
if (stat(buf, &stat_p ) == 0 && S_ISDIR(stat_p.st_mode))
|
|
return true;
|
|
}
|
|
MP_ERR(vo, "Error creating output directory: %s\n", errstr);
|
|
return false;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
static int reconfig(struct vo *vo, struct mp_image_params *params, int flags)
|
|
{
|
|
struct priv *p = vo->priv;
|
|
mp_image_unrefp(&p->current);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static void draw_image(struct vo *vo, mp_image_t *mpi)
|
|
{
|
|
struct priv *p = vo->priv;
|
|
|
|
p->current = mpi;
|
|
|
|
struct mp_osd_res dim = osd_res_from_image_params(vo->params);
|
|
osd_draw_on_image(vo->osd, dim, mpi->pts, OSD_DRAW_SUB_ONLY, p->current);
|
|
}
|
|
|
|
static void flip_page(struct vo *vo)
|
|
{
|
|
struct priv *p = vo->priv;
|
|
if (!p->current)
|
|
return;
|
|
|
|
(p->frame)++;
|
|
|
|
void *t = talloc_new(NULL);
|
|
char *filename = talloc_asprintf(t, "%08d.%s", p->frame,
|
|
image_writer_file_ext(p->opts));
|
|
|
|
if (p->outdir && strlen(p->outdir))
|
|
filename = mp_path_join(t, p->outdir, filename);
|
|
|
|
MP_INFO(vo, "Saving %s\n", filename);
|
|
write_image(p->current, p->opts, filename, vo->log);
|
|
|
|
talloc_free(t);
|
|
mp_image_unrefp(&p->current);
|
|
}
|
|
|
|
static int query_format(struct vo *vo, int fmt)
|
|
{
|
|
if (mp_sws_supported_format(fmt))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
static void uninit(struct vo *vo)
|
|
{
|
|
struct priv *p = vo->priv;
|
|
|
|
mp_image_unrefp(&p->current);
|
|
}
|
|
|
|
static int preinit(struct vo *vo)
|
|
{
|
|
struct priv *p = vo->priv;
|
|
if (p->outdir && !checked_mkdir(vo, p->outdir))
|
|
return -1;
|
|
return 0;
|
|
}
|
|
|
|
static int control(struct vo *vo, uint32_t request, void *data)
|
|
{
|
|
return VO_NOTIMPL;
|
|
}
|
|
|
|
#define OPT_BASE_STRUCT struct priv
|
|
|
|
const struct vo_driver video_out_image =
|
|
{
|
|
.description = "Write video frames to image files",
|
|
.name = "image",
|
|
.untimed = true,
|
|
.priv_size = sizeof(struct priv),
|
|
.options = (const struct m_option[]) {
|
|
OPT_SUBSTRUCT("", opts, image_writer_conf, 0),
|
|
OPT_STRING("outdir", outdir, 0),
|
|
{0},
|
|
},
|
|
.preinit = preinit,
|
|
.query_format = query_format,
|
|
.reconfig = reconfig,
|
|
.control = control,
|
|
.draw_image = draw_image,
|
|
.flip_page = flip_page,
|
|
.uninit = uninit,
|
|
};
|