MT#59038 specialise media_player_play_init

Separate out player setup from (re-) initialisation

Change-Id: I03c4d8c682f28b4f27e0f2fb92d8de8010d4ab23

daemon/media_player.c

@@ -898,9 +898,7 @@ void media_player_set_media(struct media_player *mp, struct call_media *media) {
 
 // call->master_lock held in W
 // returns destination payload type, or NULL on failure
-static const rtp_payload_type *media_player_play_init(struct media_player *mp) {
-	media_player_shutdown(mp);
-
+static const rtp_payload_type *media_player_play_setup(struct media_player *mp) {
 	// find call media suitable for playback
 	struct call_media *media;
 	for (unsigned int i = 0; i < mp->ml->medias->len; i++) {
@@ -923,6 +921,13 @@ found:
 	return media_player_get_dst_pt(mp);
 }
 
+// call->master_lock held in W
+// returns destination payload type, or NULL on failure
+static const rtp_payload_type *media_player_play_init(struct media_player *mp) {
+	media_player_shutdown(mp);
+	return media_player_play_setup(mp);
+}
+
 
 // call->master_lock held in W
 static void media_player_play_start(struct media_player *mp, const rtp_payload_type *dst_pt) {