MT#55283 update argument to const

Change-Id: I49ca97485d506c0836f6403dc619877fb7234a6f

daemon/recording.c

@@ -295,7 +295,7 @@ void update_metadata_monologue(struct call_monologue *ml, str *metadata) {
 	update_metadata_call(call, metadata);
 }
 
-static void update_output_dest(struct call *call, str *output_dest) {
+static void update_output_dest(struct call *call, const str *output_dest) {
 	if (!output_dest || !output_dest->s || !call->recording)
 		return;
 	recording_meta_chunk(call->recording, "OUTPUT_DESTINATION", output_dest);
@@ -318,7 +318,7 @@ static void recording_update_flags(struct call *call, bool streams) {
 }
 
 // lock must be held
-void recording_start(struct call *call, const char *prefix, str *output_dest) {
+void recording_start(struct call *call, const char *prefix, const str *output_dest) {
 	update_output_dest(call, output_dest);
 
 	if (call->recording) {

include/recording.h

@@ -118,7 +118,7 @@ void detect_setup_recording(struct call *call, const struct sdp_ng_flags *flags)
 void update_metadata_call(struct call *call, str *metadata);
 void update_metadata_monologue(struct call_monologue *ml, str *metadata);
 
-void recording_start(struct call *call, const char *prefix, str *output_dest);
+void recording_start(struct call *call, const char *prefix, const str *output_dest);
 void recording_pause(struct call *call);
 void recording_stop(struct call *call);
 void recording_discard(struct call *call);