[Freeswitch-svn] [commit] r13011 - in freeswitch/trunk/src: . include mod/endpoints/mod_loopback

FreeSWITCH SVN anthm at freeswitch.org
Mon Apr 13 11:35:26 PDT 2009


Author: anthm
Date: Mon Apr 13 13:35:26 2009
New Revision: 13011

Log:
clone frames in loopback so we can smooth it out better, now with more memory usage (tm) maybe this will curb pepople from using it like candy

Modified:
   freeswitch/trunk/src/include/switch_types.h
   freeswitch/trunk/src/include/switch_utils.h
   freeswitch/trunk/src/mod/endpoints/mod_loopback/mod_loopback.c
   freeswitch/trunk/src/switch_utils.c

Modified: freeswitch/trunk/src/include/switch_types.h
==============================================================================
--- freeswitch/trunk/src/include/switch_types.h	(original)
+++ freeswitch/trunk/src/include/switch_types.h	Mon Apr 13 13:35:26 2009
@@ -896,6 +896,7 @@
 SFF_RTP_HEADER = (1 << 2)  - Get the rtp header from the frame header
 SFF_PLC        = (1 << 3)  - Frame has generated PLC data
 SFF_RFC2833    = (1 << 4)  - Frame has rfc2833 dtmf data
+SFF_DYNAMIC    = (1 << 5)  - Frame is dynamic and should be freed
 </pre>
  */
 typedef enum {
@@ -905,7 +906,8 @@
 	SFF_RTP_HEADER = (1 << 2),
 	SFF_PLC = (1 << 3),
 	SFF_RFC2833 = (1 << 4),
-	SFF_PROXY_PACKET = (1 << 5)
+	SFF_PROXY_PACKET = (1 << 5),
+	SFF_DYNAMIC = (1 << 6)
 } switch_frame_flag_enum_t;
 typedef uint32_t switch_frame_flag_t;
 

Modified: freeswitch/trunk/src/include/switch_utils.h
==============================================================================
--- freeswitch/trunk/src/include/switch_utils.h	(original)
+++ freeswitch/trunk/src/include/switch_utils.h	Mon Apr 13 13:35:26 2009
@@ -109,6 +109,10 @@
 SWITCH_DECLARE(switch_size_t) switch_fd_read_line(int fd, char *buf, switch_size_t len);
 
 
+SWITCH_DECLARE(switch_status_t) switch_frame_alloc(switch_frame_t **frame, switch_size_t size);
+SWITCH_DECLARE(switch_status_t) switch_frame_dup(switch_frame_t *orig, switch_frame_t **clone);
+SWITCH_DECLARE(switch_status_t) switch_frame_free(switch_frame_t **frame);
+
 /*!
   \brief Evaluate the truthfullness of a string expression
   \param expr a string expression

Modified: freeswitch/trunk/src/mod/endpoints/mod_loopback/mod_loopback.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_loopback/mod_loopback.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_loopback/mod_loopback.c	Mon Apr 13 13:35:26 2009
@@ -69,7 +69,7 @@
 	unsigned char databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
 
 	switch_frame_t *x_write_frame;
-	switch_frame_t write_frame;
+	switch_frame_t *write_frame;
 	unsigned char write_databuf[SWITCH_RECOMMENDED_BUFFER_SIZE];
 
 	switch_frame_t cng_frame;
@@ -78,6 +78,7 @@
 	switch_caller_profile_t *caller_profile;
 	int32_t bowout_frame_count;
 	char *other_uuid;
+	switch_queue_t *frame_queue;
 };
 
 typedef struct private_object private_t;
@@ -157,10 +158,6 @@
 	tech_pvt->read_frame.data = tech_pvt->databuf;
 	tech_pvt->read_frame.buflen = sizeof(tech_pvt->databuf);
 	tech_pvt->read_frame.codec = &tech_pvt->read_codec;
-
-	tech_pvt->write_frame.data = tech_pvt->write_databuf;
-	tech_pvt->write_frame.buflen = sizeof(tech_pvt->write_databuf);
-	tech_pvt->write_frame.codec = &tech_pvt->write_codec;
 	
 
 	tech_pvt->cng_frame.data = tech_pvt->cng_databuf;
@@ -190,6 +187,7 @@
 		switch_mutex_init(&tech_pvt->flag_mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
 		switch_mutex_init(&tech_pvt->mutex, SWITCH_MUTEX_NESTED, switch_core_session_get_pool(session));
 		switch_core_session_set_private(session, tech_pvt);
+		switch_queue_create(&tech_pvt->frame_queue, 50000, switch_core_session_get_pool(session));
 		tech_pvt->session = session;
 		tech_pvt->channel = switch_core_session_get_channel(session);
 	}
@@ -348,6 +346,7 @@
 {
 	switch_channel_t *channel = NULL;
 	private_t *tech_pvt = NULL;
+	void *pop;
 
 	channel = switch_core_session_get_channel(session);
 	switch_assert(channel != NULL);
@@ -364,6 +363,15 @@
 		if (switch_core_codec_ready(&tech_pvt->write_codec)) {
 			switch_core_codec_destroy(&tech_pvt->write_codec);
 		}
+
+		if (tech_pvt->write_frame) {
+			switch_frame_free(&tech_pvt->write_frame);
+		}
+
+		while (switch_queue_trypop(tech_pvt->frame_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
+			switch_frame_t *frame = (switch_frame_t *) pop;
+			switch_frame_free(&frame);
+		}
 	}
 
 
@@ -518,6 +526,7 @@
 	private_t *tech_pvt = NULL;
 	switch_status_t status = SWITCH_STATUS_FALSE;
 	switch_mutex_t *mutex = NULL;
+	void *pop = NULL;
 
 	channel = switch_core_session_get_channel(session);
 	switch_assert(channel != NULL);
@@ -539,18 +548,19 @@
 		goto end;
 	}
 
-	if (!switch_test_flag(tech_pvt, TFLAG_CNG) && !switch_test_flag(tech_pvt, TFLAG_WRITE)) {
-		switch_core_timer_next(&tech_pvt->timer);
-	}
 
-	if (switch_test_flag(tech_pvt, TFLAG_WRITE)) {
-		*frame = &tech_pvt->write_frame;
-		switch_clear_flag_locked(tech_pvt, TFLAG_WRITE);
-		switch_clear_flag_locked(tech_pvt, TFLAG_CNG);
+	switch_core_timer_next(&tech_pvt->timer);
+	if (switch_queue_trypop(tech_pvt->frame_queue, &pop) == SWITCH_STATUS_SUCCESS && pop) {
+		if (tech_pvt->write_frame) {
+			switch_frame_free(&tech_pvt->write_frame);
+		}
+		tech_pvt->write_frame = (switch_frame_t *) pop;
+		tech_pvt->write_frame->codec = &tech_pvt->read_codec;
+		*frame = tech_pvt->write_frame;
 	} else {
 		switch_set_flag(tech_pvt, TFLAG_CNG);
 	}
-
+	
 	if (switch_test_flag(tech_pvt, TFLAG_CNG)) {
 		*frame = &tech_pvt->cng_frame;
 		tech_pvt->cng_frame.codec = &tech_pvt->read_codec;
@@ -622,17 +632,18 @@
 	}
 
 	if (switch_test_flag(tech_pvt, TFLAG_LINKED)) {
+		switch_frame_t *clone;
 		if (frame->codec->implementation != tech_pvt->write_codec.implementation) {
 			/* change codecs to match */
 			tech_init(tech_pvt, session, frame->codec);
 			tech_init(tech_pvt->other_tech_pvt, tech_pvt->other_session, frame->codec);
 		}
+
+		if (switch_frame_dup(frame, &clone) != SWITCH_STATUS_SUCCESS) {
+			abort();
+		}
 		
-		memcpy(&tech_pvt->other_tech_pvt->write_frame, frame, sizeof(*frame));
-		tech_pvt->other_tech_pvt->write_frame.data = tech_pvt->other_tech_pvt->write_databuf;
-		tech_pvt->other_tech_pvt->write_frame.buflen = sizeof(tech_pvt->other_tech_pvt->write_databuf);
-		//tech_pvt->other_tech_pvt->write_frame.codec = &tech_pvt->other_tech_pvt->write_codec;
-		memcpy(tech_pvt->other_tech_pvt->write_frame.data, frame->data, frame->datalen);
+		switch_queue_push(tech_pvt->other_tech_pvt->frame_queue, clone);
 		switch_set_flag_locked(tech_pvt->other_tech_pvt, TFLAG_WRITE);
 		status = SWITCH_STATUS_SUCCESS;
 	}

Modified: freeswitch/trunk/src/switch_utils.c
==============================================================================
--- freeswitch/trunk/src/switch_utils.c	(original)
+++ freeswitch/trunk/src/switch_utils.c	Mon Apr 13 13:35:26 2009
@@ -61,6 +61,56 @@
 }
 #endif
 
+
+SWITCH_DECLARE(switch_status_t) switch_frame_alloc(switch_frame_t **frame, switch_size_t size)
+{
+	switch_frame_t *new_frame;
+
+	switch_zmalloc(new_frame, sizeof(*new_frame));
+
+	switch_set_flag(new_frame, SFF_DYNAMIC);
+	new_frame->buflen = size;
+	new_frame->data = malloc(size);
+	switch_assert(new_frame->data);
+
+	*frame = new_frame;
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+
+SWITCH_DECLARE(switch_status_t) switch_frame_dup(switch_frame_t *orig, switch_frame_t **clone)
+{
+	switch_frame_t *new_frame;
+
+	new_frame = malloc(sizeof(*new_frame));
+	
+	*new_frame = *orig;
+	switch_set_flag(new_frame, SFF_DYNAMIC);
+	new_frame->data = malloc(new_frame->buflen);
+	switch_assert(new_frame->data);
+
+	memcpy(new_frame->data, orig->data, orig->datalen);
+	new_frame->codec = NULL;
+	
+	*clone = new_frame;
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
+SWITCH_DECLARE(switch_status_t) switch_frame_free(switch_frame_t **frame)
+{
+	if (!frame || !*frame || !switch_test_flag((*frame), SFF_DYNAMIC)) {
+		return SWITCH_STATUS_FALSE;
+	}
+
+	free((*frame)->data);
+	free(*frame);
+	*frame = NULL;
+
+	return SWITCH_STATUS_SUCCESS;
+}
+
 SWITCH_DECLARE(switch_status_t) switch_network_list_create(switch_network_list_t **list, switch_bool_t default_type, switch_memory_pool_t *pool)
 {
 	switch_network_list_t *new_list;



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