tweak

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@10497 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -702,9 +702,13 @@ static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_f
 						*frame = NULL;
 						return SWITCH_STATUS_GENERR;
 					}
+					
+					if (tech_pvt->check_frames++ < MAX_CODEC_CHECK_FRAMES) {
+						if (!tech_pvt->read_codec.implementation->encoded_bytes_per_packet) {
+							tech_pvt->check_frames = MAX_CODEC_CHECK_FRAMES;
+							goto skip;
+						}
 
-
-					if (tech_pvt->check_frames < MAX_CODEC_CHECK_FRAMES) {
 						if (tech_pvt->last_ts && tech_pvt->read_frame.datalen != tech_pvt->read_codec.implementation->encoded_bytes_per_packet) {
 							if (++tech_pvt->mismatch_count >= MAX_MISMATCH_FRAMES) {
 								switch_size_t codec_ms = (int)(tech_pvt->read_frame.timestamp - 
@@ -712,6 +716,7 @@ static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_f
 								
 								if ((codec_ms % 10) != 0) {
 									tech_pvt->check_frames = MAX_CODEC_CHECK_FRAMES;
+									goto skip;
 								} else {
 									if (switch_rtp_ready(tech_pvt->rtp_session) && codec_ms != tech_pvt->codec_ms) {
 										const char *val;
@@ -770,13 +775,13 @@ static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_f
 									}
 							
 								}
-								tech_pvt->check_frames++;
 							}
 						} else {
 							tech_pvt->mismatch_count = 0;
 						}
 						tech_pvt->last_ts = tech_pvt->read_frame.timestamp;
 					}
+				skip:
 					
 					if ((bytes = tech_pvt->read_codec.implementation->encoded_bytes_per_packet)) {
 						frames = (tech_pvt->read_frame.datalen / bytes);

src/switch_core_io.c

@@ -155,6 +155,8 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_sessi
 	}
 
 	if (session->endpoint_interface->io_routines->read_frame) {
+		switch_mutex_unlock(session->read_codec->mutex);
+		switch_mutex_unlock(session->codec_read_mutex);
 		if ((status = session->endpoint_interface->io_routines->read_frame(session, frame, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
 			for (ptr = session->event_hooks.read_frame; ptr; ptr = ptr->next) {
 				if ((status = ptr->read_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
@@ -162,6 +164,14 @@ SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_sessi
 				}
 			}
 		}
+		
+		if (!session->read_codec) {
+			*frame = NULL;
+			return SWITCH_STATUS_FALSE;
+		}
+		
+		switch_mutex_lock(session->codec_read_mutex);
+		switch_mutex_lock(session->read_codec->mutex);
 	}
 
 	if (status != SWITCH_STATUS_SUCCESS) {