FS-8354 #resolve [G722 audio issues with mod_conference after…

FS-8354 #resolve [G722 audio issues with mod_conference after fab43547]

src/mod/applications/mod_conference/conference_member.c

@@ -1629,7 +1629,13 @@ int conference_member_setup_media(conference_member_t *member, conference_obj_t
 
 	switch_mutex_lock(member->audio_out_mutex);
 
-	switch_core_session_get_read_impl(member->session, &read_impl);
+	if (!member->orig_read_impl.samples_per_second) {
+		switch_core_session_get_read_impl(member->session, &member->orig_read_impl);
+		member->native_rate = read_impl.samples_per_second;
+	}
+
+	read_impl = member->orig_read_impl;
+
 
 	if (switch_core_codec_ready(&member->read_codec)) {
 		switch_core_codec_destroy(&member->read_codec);
@@ -1645,9 +1651,6 @@ int conference_member_setup_media(conference_member_t *member, conference_obj_t
 		switch_resample_destroy(&member->read_resampler);
 	}
 
-	switch_core_session_get_read_impl(member->session, &member->orig_read_impl);
-	member->native_rate = read_impl.samples_per_second;
-
 	/* Setup a Signed Linear codec for reading audio. */
 	if (switch_core_codec_init(&member->read_codec,
 							   "L16",