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/**
* @file snapshot.c Snapshot Video-Filter
*
* Copyright (C) 2010 Creytiv.com
*/
#include <string.h>
#include <re.h>
#include <rem.h>
#include <baresip.h>
#include "png_vf.h"
/**
* @defgroup snapshot snapshot
*
* Take snapshot of the video stream and save it as PNG-files
*
*
* Commands:
*
\verbatim
O Take video snapshot
\endverbatim
*/
static bool flag_enc, flag_dec;
static int encode(struct vidfilt_enc_st *st, struct vidframe *frame)
{
(void)st;
if (!frame)
return 0;
if (flag_enc) {
flag_enc = false;
png_save_vidframe(frame, "snapshot-send");
}
return 0;
}
static int decode(struct vidfilt_dec_st *st, struct vidframe *frame)
{
(void)st;
if (!frame)
return 0;
if (flag_dec) {
flag_dec = false;
png_save_vidframe(frame, "snapshot-recv");
}
return 0;
}
static int do_snapshot(struct re_printf *pf, void *arg)
{
(void)pf;
(void)arg;
/* NOTE: not re-entrant */
flag_enc = flag_dec = true;
return 0;
}
static struct vidfilt snapshot = {
LE_INIT, "snapshot", NULL, encode, NULL, decode,
};
static const struct cmd cmdv[] = {
{'O', 0, "Take video snapshot", do_snapshot },
};
static int module_init(void)
{
vidfilt_register(&snapshot);
return cmd_register(cmdv, ARRAY_SIZE(cmdv));
}
static int module_close(void)
{
vidfilt_unregister(&snapshot);
cmd_unregister(cmdv);
return 0;
}
EXPORT_SYM const struct mod_export DECL_EXPORTS(snapshot) = {
"snapshot",
"vidfilt",
module_init,
module_close
};
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