1 files changed, 90 insertions, 0 deletions
diff --git a/modules/snapshot/snapshot.c b/modules/snapshot/snapshot.c
new file mode 100644
index 0000000..b8a01de
--- /dev/null
+++ b/modules/snapshot/snapshot.c
@@ -0,0 +1,90 @@
+/**
+ * @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"
+
+
+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
+};