[Freeswitch-svn] [commit] r8310 - in freeswitch/trunk/src: . include mod/applications/mod_conference mod/applications/mod_dptools mod/applications/mod_esf mod/applications/mod_fifo mod/applications/mod_fsv mod/applications/mod_rss mod/endpoints/mod_alsa mod/endpoints/mod_dingaling mod/endpoints/mod_iax mod/endpoints/mod_portaudio mod/endpoints/mod_reference mod/endpoints/mod_sofia mod/endpoints/mod_wanpipe mod/endpoints/mod_woomera mod/languages/mod_spidermonkey_teletone

Freeswitch SVN anthm at freeswitch.org
Thu May 8 15:19:47 EDT 2008


Author: anthm
Date: Thu May  8 15:19:47 2008
New Revision: 8310

Modified:
   freeswitch/trunk/src/include/switch_core.h
   freeswitch/trunk/src/include/switch_core_event_hook.h
   freeswitch/trunk/src/include/switch_module_interfaces.h
   freeswitch/trunk/src/include/switch_rtp.h
   freeswitch/trunk/src/include/switch_types.h
   freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c
   freeswitch/trunk/src/mod/applications/mod_dptools/mod_dptools.c
   freeswitch/trunk/src/mod/applications/mod_esf/mod_esf.c
   freeswitch/trunk/src/mod/applications/mod_fifo/mod_fifo.c
   freeswitch/trunk/src/mod/applications/mod_fsv/mod_fsv.c
   freeswitch/trunk/src/mod/applications/mod_rss/mod_rss.c
   freeswitch/trunk/src/mod/endpoints/mod_alsa/mod_alsa.c
   freeswitch/trunk/src/mod/endpoints/mod_dingaling/mod_dingaling.c
   freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c
   freeswitch/trunk/src/mod/endpoints/mod_portaudio/mod_portaudio.c
   freeswitch/trunk/src/mod/endpoints/mod_reference/mod_reference.c
   freeswitch/trunk/src/mod/endpoints/mod_sofia/mod_sofia.c
   freeswitch/trunk/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c
   freeswitch/trunk/src/mod/endpoints/mod_woomera/mod_woomera.c
   freeswitch/trunk/src/mod/languages/mod_spidermonkey_teletone/mod_spidermonkey_teletone.c
   freeswitch/trunk/src/switch_core.c
   freeswitch/trunk/src/switch_core_event_hook.c
   freeswitch/trunk/src/switch_core_io.c
   freeswitch/trunk/src/switch_ivr.c
   freeswitch/trunk/src/switch_ivr_async.c
   freeswitch/trunk/src/switch_ivr_bridge.c
   freeswitch/trunk/src/switch_ivr_originate.c
   freeswitch/trunk/src/switch_ivr_play_say.c
   freeswitch/trunk/src/switch_rtp.c

Log:
spring cleaning, lose some pointless code

Modified: freeswitch/trunk/src/include/switch_core.h
==============================================================================
--- freeswitch/trunk/src/include/switch_core.h	(original)
+++ freeswitch/trunk/src/include/switch_core.h	Thu May  8 15:19:47 2008
@@ -809,10 +809,10 @@
   \param stream_id which logical media channel to use
   \return SWITCH_STATUS_SUCCESS a the frame was read
 */
-SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(_In_ switch_core_session_t *session, switch_frame_t **frame, int timeout, int stream_id);
+SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(_In_ switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
 
-SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(_In_ switch_core_session_t *session, switch_frame_t **frame, int timeout, int stream_id);
-SWITCH_DECLARE(switch_status_t) switch_core_session_write_video_frame(_In_ switch_core_session_t *session, switch_frame_t *frame, int timeout, int stream_id);
+SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(_In_ switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+SWITCH_DECLARE(switch_status_t) switch_core_session_write_video_frame(_In_ switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 
 /*! 
   \brief Reset the buffers and resampler on a session
@@ -828,7 +828,7 @@
   \param stream_id which logical media channel to use
   \return SWITCH_STATUS_SUCCESS a the frame was written
 */
-SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(_In_ switch_core_session_t *session, switch_frame_t *frame, int timeout, int stream_id);
+SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(_In_ switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 
 
 SWITCH_DECLARE(switch_status_t) switch_core_session_perform_kill_channel(_In_ switch_core_session_t *session,
@@ -842,24 +842,6 @@
 #define switch_core_session_kill_channel(session, sig) switch_core_session_perform_kill_channel(session, __FILE__, __SWITCH_FUNC__, __LINE__, sig)
 
 /*! 
-  \brief Wait for a session to be ready for input
-  \param session session to wait for
-  \param timeout number of milliseconds to wait for data
-  \param stream_id which logical media channel to use
-  \return SWITCH_STATUS_SUCCESS if data is available for read within timeframe specified
-*/
-SWITCH_DECLARE(switch_status_t) switch_core_session_waitfor_read(_In_ switch_core_session_t *session, int timeout, int stream_id);
-
-/*! 
-  \brief Wait for a session to be ready for output
-  \param session session to wait for
-  \param timeout number of milliseconds to wait for data
-  \param stream_id which logical media channel to use
-  \return SWITCH_STATUS_SUCCESS if the session is available for write within timeframe specified
-*/
-SWITCH_DECLARE(switch_status_t) switch_core_session_waitfor_write(_In_ switch_core_session_t *session, int timeout, int stream_id);
-
-/*! 
   \brief Send DTMF to a session
   \param session session to send DTMF to
   \param dtmf string to send to the session

Modified: freeswitch/trunk/src/include/switch_core_event_hook.h
==============================================================================
--- freeswitch/trunk/src/include/switch_core_event_hook.h	(original)
+++ freeswitch/trunk/src/include/switch_core_event_hook.h	Thu May  8 15:19:47 2008
@@ -43,8 +43,6 @@
 typedef struct switch_io_event_hook_write_frame switch_io_event_hook_write_frame_t;
 typedef struct switch_io_event_hook_video_write_frame switch_io_event_hook_video_write_frame_t;
 typedef struct switch_io_event_hook_kill_channel switch_io_event_hook_kill_channel_t;
-typedef struct switch_io_event_hook_waitfor_read switch_io_event_hook_waitfor_read_t;
-typedef struct switch_io_event_hook_waitfor_write switch_io_event_hook_waitfor_write_t;
 typedef struct switch_io_event_hook_send_dtmf switch_io_event_hook_send_dtmf_t;
 typedef struct switch_io_event_hook_recv_dtmf switch_io_event_hook_recv_dtmf_t;
 typedef struct switch_io_event_hook_state_change switch_io_event_hook_state_change_t;
@@ -53,13 +51,11 @@
 (switch_core_session_t *, switch_caller_profile_t *, switch_core_session_t *, switch_originate_flag_t);
 typedef switch_status_t (*switch_receive_message_hook_t) (switch_core_session_t *, switch_core_session_message_t *);
 typedef switch_status_t (*switch_receive_event_hook_t) (switch_core_session_t *, switch_event_t *);
-typedef switch_status_t (*switch_read_frame_hook_t) (switch_core_session_t *, switch_frame_t **, int, switch_io_flag_t, int);
-typedef switch_status_t (*switch_video_read_frame_hook_t) (switch_core_session_t *, switch_frame_t **, int, switch_io_flag_t, int);
-typedef switch_status_t (*switch_write_frame_hook_t) (switch_core_session_t *, switch_frame_t *, int, switch_io_flag_t, int);
-typedef switch_status_t (*switch_video_write_frame_hook_t) (switch_core_session_t *, switch_frame_t *, int, switch_io_flag_t, int);
+typedef switch_status_t (*switch_read_frame_hook_t) (switch_core_session_t *, switch_frame_t **, switch_io_flag_t, int);
+typedef switch_status_t (*switch_video_read_frame_hook_t) (switch_core_session_t *, switch_frame_t **, switch_io_flag_t, int);
+typedef switch_status_t (*switch_write_frame_hook_t) (switch_core_session_t *, switch_frame_t *, switch_io_flag_t, int);
+typedef switch_status_t (*switch_video_write_frame_hook_t) (switch_core_session_t *, switch_frame_t *, switch_io_flag_t, int);
 typedef switch_status_t (*switch_kill_channel_hook_t) (switch_core_session_t *, int);
-typedef switch_status_t (*switch_waitfor_read_hook_t) (switch_core_session_t *, int, int);
-typedef switch_status_t (*switch_waitfor_write_hook_t) (switch_core_session_t *, int, int);
 typedef switch_status_t (*switch_send_dtmf_hook_t) (switch_core_session_t *, const switch_dtmf_t *);
 typedef switch_status_t (*switch_recv_dtmf_hook_t) (switch_core_session_t *, const switch_dtmf_t *);
 typedef switch_status_t (*switch_state_change_hook_t) (switch_core_session_t *);
@@ -120,20 +116,6 @@
 	struct switch_io_event_hook_kill_channel *next;
 };
 
-/*! \brief Node in which to store custom waitfor read channel callback hooks */
-struct switch_io_event_hook_waitfor_read {
-	/*! the waitfor read channel callback hook */
-	switch_waitfor_read_hook_t waitfor_read;
-	struct switch_io_event_hook_waitfor_read *next;
-};
-
-/*! \brief Node in which to store custom waitfor write channel callback hooks */
-struct switch_io_event_hook_waitfor_write {
-	/*! the waitfor write channel callback hook */
-	switch_waitfor_write_hook_t waitfor_write;
-	struct switch_io_event_hook_waitfor_write *next;
-};
-
 /*! \brief Node in which to store custom send dtmf channel callback hooks */
 struct switch_io_event_hook_send_dtmf {
 	/*! the send dtmf channel callback hook */
@@ -179,10 +161,6 @@
 	switch_io_event_hook_video_write_frame_t *video_write_frame;
 	/*! a list of kill channel hooks */
 	switch_io_event_hook_kill_channel_t *kill_channel;
-	/*! a list of wait for read hooks */
-	switch_io_event_hook_waitfor_read_t *waitfor_read;
-	/*! a list of wait for write hooks */
-	switch_io_event_hook_waitfor_write_t *waitfor_write;
 	/*! a list of send dtmf hooks */
 	switch_io_event_hook_send_dtmf_t *send_dtmf;
 	/*! a list of recv dtmf hooks */
@@ -244,8 +222,6 @@
 NEW_HOOK_DECL_ADD_P(video_read_frame);
 NEW_HOOK_DECL_ADD_P(video_write_frame);
 NEW_HOOK_DECL_ADD_P(kill_channel);
-NEW_HOOK_DECL_ADD_P(waitfor_read);
-NEW_HOOK_DECL_ADD_P(waitfor_write);
 NEW_HOOK_DECL_ADD_P(send_dtmf);
 NEW_HOOK_DECL_ADD_P(recv_dtmf);
 NEW_HOOK_DECL_ADD_P(resurrect_session);
@@ -259,8 +235,6 @@
 NEW_HOOK_DECL_REM_P(video_read_frame);
 NEW_HOOK_DECL_REM_P(video_write_frame);
 NEW_HOOK_DECL_REM_P(kill_channel);
-NEW_HOOK_DECL_REM_P(waitfor_read);
-NEW_HOOK_DECL_REM_P(waitfor_write);
 NEW_HOOK_DECL_REM_P(send_dtmf);
 NEW_HOOK_DECL_REM_P(recv_dtmf);
 NEW_HOOK_DECL_REM_P(resurrect_session);

Modified: freeswitch/trunk/src/include/switch_module_interfaces.h
==============================================================================
--- freeswitch/trunk/src/include/switch_module_interfaces.h	(original)
+++ freeswitch/trunk/src/include/switch_module_interfaces.h	Thu May  8 15:19:47 2008
@@ -101,17 +101,15 @@
 
 typedef switch_call_cause_t (*switch_io_outgoing_channel_t)
 (switch_core_session_t *, switch_caller_profile_t *, switch_core_session_t **, switch_memory_pool_t **, switch_originate_flag_t);
-typedef switch_status_t (*switch_io_read_frame_t) (switch_core_session_t *, switch_frame_t **, int, switch_io_flag_t, int);
-typedef switch_status_t (*switch_io_write_frame_t) (switch_core_session_t *, switch_frame_t *, int, switch_io_flag_t, int);
+typedef switch_status_t (*switch_io_read_frame_t) (switch_core_session_t *, switch_frame_t **, switch_io_flag_t, int);
+typedef switch_status_t (*switch_io_write_frame_t) (switch_core_session_t *, switch_frame_t *, switch_io_flag_t, int);
 typedef switch_status_t (*switch_io_kill_channel_t) (switch_core_session_t *, int);
-typedef switch_status_t (*switch_io_waitfor_read_t) (switch_core_session_t *, int, int);
-typedef switch_status_t (*switch_io_waitfor_write_t) (switch_core_session_t *, int, int);
 typedef switch_status_t (*switch_io_send_dtmf_t) (switch_core_session_t *, const switch_dtmf_t *);
 typedef switch_status_t (*switch_io_receive_message_t) (switch_core_session_t *, switch_core_session_message_t *);
 typedef switch_status_t (*switch_io_receive_event_t) (switch_core_session_t *, switch_event_t *);
 typedef switch_status_t (*switch_io_state_change_t) (switch_core_session_t *);
-typedef	switch_status_t (*switch_io_read_video_frame_t) (switch_core_session_t *, switch_frame_t **, int, switch_io_flag_t, int);
-typedef switch_status_t (*switch_io_write_video_frame_t) (switch_core_session_t *, switch_frame_t *, int, switch_io_flag_t, int);
+typedef	switch_status_t (*switch_io_read_video_frame_t) (switch_core_session_t *, switch_frame_t **, switch_io_flag_t, int);
+typedef switch_status_t (*switch_io_write_video_frame_t) (switch_core_session_t *, switch_frame_t *, switch_io_flag_t, int);
 typedef switch_call_cause_t (*switch_io_resurrect_session_t)(switch_core_session_t **, switch_memory_pool_t **, void *);
 
 typedef enum {
@@ -119,8 +117,6 @@
 	SWITCH_IO_READ_FRAME,
 	SWITCH_IO_WRITE_FRAME,
 	SWITCH_IO_KILL_CHANNEL,
-	SWITCH_IO_WAITFOR_READ,
-	SWITCH_IO_WAITFOR_WRITE,
 	SWITCH_IO_SEND_DTMF,
 	SWITCH_IO_RECEIVE_MESSAGE,
 	SWITCH_IO_RECEIVE_EVENT,
@@ -140,10 +136,6 @@
 	switch_io_write_frame_t write_frame;
 	/*! send a kill signal to the session's channel */
 	switch_io_kill_channel_t kill_channel;
-	/*! wait for the session's channel to be ready to read audio */
-	switch_io_waitfor_read_t waitfor_read;
-	/*! wait for the session's channel to be ready to write audio */
-	switch_io_waitfor_write_t waitfor_write;
 	/*! send a string of DTMF digits to a session's channel */
 	switch_io_send_dtmf_t send_dtmf;
 	/*! receive a message from another session */

Modified: freeswitch/trunk/src/include/switch_rtp.h
==============================================================================
--- freeswitch/trunk/src/include/switch_rtp.h	(original)
+++ freeswitch/trunk/src/include/switch_rtp.h	Thu May  8 15:19:47 2008
@@ -296,7 +296,7 @@
   \return the number of bytes read
 */
 SWITCH_DECLARE(switch_status_t) switch_rtp_read(switch_rtp_t *rtp_session, void *data, uint32_t * datalen,
-												switch_payload_t *payload_type, switch_frame_flag_t *flags);
+												switch_payload_t *payload_type, switch_frame_flag_t *flags, switch_io_flag_t io_flags);
 
 /*! 
   \brief Queue RFC2833 DTMF data into an RTP Session
@@ -332,7 +332,7 @@
   \return the number of bytes read
 */
 SWITCH_DECLARE(switch_status_t) switch_rtp_zerocopy_read(switch_rtp_t *rtp_session,
-														 void **data, uint32_t * datalen, switch_payload_t *payload_type, switch_frame_flag_t *flags);
+														 void **data, uint32_t * datalen, switch_payload_t *payload_type, switch_frame_flag_t *flags, switch_io_flag_t io_flags);
 
 /*! 
   \brief Read data from a given RTP session without copying
@@ -340,7 +340,7 @@
   \param frame a frame to populate with information
   \return the number of bytes read
 */
-SWITCH_DECLARE(switch_status_t) switch_rtp_zerocopy_read_frame(switch_rtp_t *rtp_session, switch_frame_t *frame);
+SWITCH_DECLARE(switch_status_t) switch_rtp_zerocopy_read_frame(switch_rtp_t *rtp_session, switch_frame_t *frame, switch_io_flag_t io_flagsm);
 
 /*!
   \brief Enable VAD on an RTP Session

Modified: freeswitch/trunk/src/include/switch_types.h
==============================================================================
--- freeswitch/trunk/src/include/switch_types.h	(original)
+++ freeswitch/trunk/src/include/switch_types.h	Thu May  8 15:19:47 2008
@@ -943,7 +943,8 @@
 } switch_file_flag_t;
 
 typedef enum {
-	SWITCH_IO_FLAG_NOOP = 0
+	SWITCH_IO_FLAG_NONE = 0,
+	SWITCH_IO_FLAG_NOBLOCK = (1 << 0)
 } switch_io_flag_t;
 
 /* make sure this is synced with the EVENT_NAMES array in switch_event.c

Modified: freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c
==============================================================================
--- freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c	(original)
+++ freeswitch/trunk/src/mod/applications/mod_conference/mod_conference.c	Thu May  8 15:19:47 2008
@@ -783,7 +783,7 @@
 		} 
 		
 		if (switch_channel_test_flag(switch_core_session_get_channel(conference->floor_holder->session), CF_VIDEO)) {
-			status = switch_core_session_read_video_frame(conference->floor_holder->session, &vid_frame, -1, 0);
+			status = switch_core_session_read_video_frame(conference->floor_holder->session, &vid_frame, SWITCH_IO_FLAG_NONE, 0);
 			
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				conference->floor_holder = NULL;
@@ -835,7 +835,7 @@
 			for (imember = conference->members; imember; imember = imember->next) {
 				if (switch_channel_test_flag(switch_core_session_get_channel(imember->session), CF_VIDEO)) {
 					has_vid++;
-					switch_core_session_write_video_frame(imember->session, vid_frame, -1, 0);
+					switch_core_session_write_video_frame(imember->session, vid_frame, SWITCH_IO_FLAG_NONE, 0);
 				}
 			}
 			switch_mutex_unlock(conference->member_mutex);
@@ -1497,7 +1497,7 @@
 
 	while (switch_test_flag(member, MFLAG_RUNNING) && switch_channel_ready(channel)) {
 		/* Read a frame. */
-		status = switch_core_session_read_frame(member->session, &read_frame, -1, 0);
+		status = switch_core_session_read_frame(member->session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
 		/* end the loop, if appropriate */
 		if (!SWITCH_READ_ACCEPTABLE(status) || !switch_test_flag(member, MFLAG_RUNNING)) {
@@ -1890,7 +1890,7 @@
 							switch_change_sln_volume(write_frame.data, write_frame.samples, member->volume_out_level);
 						}
 						write_frame.timestamp = timer.samplecount;
-						switch_core_session_write_frame(member->session, &write_frame, -1, 0);
+						switch_core_session_write_frame(member->session, &write_frame, SWITCH_IO_FLAG_NONE, 0);
 						switch_core_timer_next(&timer);
 
                             
@@ -1933,7 +1933,7 @@
 							switch_change_sln_volume(write_frame.data, write_frame.samples, member->volume_out_level);
 						}
 						write_frame.timestamp = timer.samplecount;
-						switch_core_session_write_frame(member->session, &write_frame, -1, 0);
+						switch_core_session_write_frame(member->session, &write_frame, SWITCH_IO_FLAG_NONE, 0);
 					}
 				}
 
@@ -1948,7 +1948,7 @@
 					write_frame.datalen = bytes;
 					write_frame.samples = samples;
 					write_frame.timestamp = timer.samplecount;
-					switch_core_session_write_frame(member->session, &write_frame, -1, 0);
+					switch_core_session_write_frame(member->session, &write_frame, SWITCH_IO_FLAG_NONE, 0);
 				}
 			}
 		}
@@ -3961,7 +3961,7 @@
 	/* generate some space infront of the file to be played */
 	for (x = 0; x < leadin; x++) {
 		switch_frame_t *read_frame;
-		status = switch_core_session_read_frame(session, &read_frame, 1000, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;

Modified: freeswitch/trunk/src/mod/applications/mod_dptools/mod_dptools.c
==============================================================================
--- freeswitch/trunk/src/mod/applications/mod_dptools/mod_dptools.c	(original)
+++ freeswitch/trunk/src/mod/applications/mod_dptools/mod_dptools.c	Thu May  8 15:19:47 2008
@@ -1714,11 +1714,11 @@
 			/* SIP won't let us redir media until the call has been answered #$^#%& so we will proxy any early media until they do */
 			while (switch_channel_ready(caller_channel) && switch_channel_ready(peer_channel)
 				   && !switch_channel_test_flag(peer_channel, CF_ANSWERED)) {
-				switch_status_t status = switch_core_session_read_frame(peer_session, &read_frame, -1, 0);
+				switch_status_t status = switch_core_session_read_frame(peer_session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 				uint8_t bad = 1;
 
 				if (SWITCH_READ_ACCEPTABLE(status)
-					&& switch_core_session_write_frame(session, read_frame, -1, 0) == SWITCH_STATUS_SUCCESS) {
+					&& switch_core_session_write_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0) == SWITCH_STATUS_SUCCESS) {
 					bad = 0;
 				}
 				if (bad) {

Modified: freeswitch/trunk/src/mod/applications/mod_esf/mod_esf.c
==============================================================================
--- freeswitch/trunk/src/mod/applications/mod_esf/mod_esf.c	(original)
+++ freeswitch/trunk/src/mod/applications/mod_esf/mod_esf.c	Thu May  8 15:19:47 2008
@@ -130,7 +130,7 @@
 
 
 	while(!ready) {
-		status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		if (read_frame && switch_test_flag(read_frame, SFF_CNG)) {
 			continue;
 		}
@@ -206,7 +206,7 @@
 
 	for(;;) {
 
-		status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
         if (!SWITCH_READ_ACCEPTABLE(status)) {
             break;

Modified: freeswitch/trunk/src/mod/applications/mod_fifo/mod_fifo.c
==============================================================================
--- freeswitch/trunk/src/mod/applications/mod_fifo/mod_fifo.c	(original)
+++ freeswitch/trunk/src/mod/applications/mod_fifo/mod_fifo.c	Thu May  8 15:19:47 2008
@@ -804,7 +804,7 @@
                     break;
                 }
 
-                status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+                status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
                 if (!SWITCH_READ_ACCEPTABLE(status)) {
                     break;
@@ -854,7 +854,7 @@
 				switch_channel_set_flag(other_channel, CF_BREAK);
 
 				while (switch_channel_ready(channel) && switch_channel_ready(other_channel) && switch_channel_test_flag(other_channel, CF_TAGGED)) {
-					status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+					status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 					if (!SWITCH_READ_ACCEPTABLE(status)) {
 						break;
 					}

Modified: freeswitch/trunk/src/mod/applications/mod_fsv/mod_fsv.c
==============================================================================
--- freeswitch/trunk/src/mod/applications/mod_fsv/mod_fsv.c	(original)
+++ freeswitch/trunk/src/mod/applications/mod_fsv/mod_fsv.c	Thu May  8 15:19:47 2008
@@ -64,7 +64,7 @@
 	
 	eh->up = 1;	
 	while(switch_channel_ready(channel)) {
-		status = switch_core_session_read_video_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_video_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
@@ -90,7 +90,7 @@
 
 		switch_mutex_unlock(eh->mutex);
         
-		switch_core_session_write_video_frame(session, read_frame, -1, 0);
+		switch_core_session_write_video_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0);
 	}
 	eh->up = 0;
 	return NULL;
@@ -165,7 +165,7 @@
 	
 	while(switch_channel_ready(channel)) {
 
-		status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
@@ -315,7 +315,7 @@
 				hdr->pt = pt;
 			}
 			if (switch_channel_test_flag(channel, CF_VIDEO)) {
-				switch_core_session_write_video_frame(session, &vid_frame, -1, 0);
+				switch_core_session_write_video_frame(session, &vid_frame, SWITCH_IO_FLAG_NONE, 0);
 			}
 			if (ts && last && last != ts) {
 				switch_yield(1000);
@@ -328,7 +328,7 @@
 			if ((write_frame.datalen = read(fd, write_frame.data, bytes)) <= 0) {
 				break;
 			}
-			switch_core_session_write_frame(session, &write_frame, -1, 0);
+			switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0);
 			switch_core_timer_next(&timer);
 		}
 

Modified: freeswitch/trunk/src/mod/applications/mod_rss/mod_rss.c
==============================================================================
--- freeswitch/trunk/src/mod/applications/mod_rss/mod_rss.c	(original)
+++ freeswitch/trunk/src/mod/applications/mod_rss/mod_rss.c	Thu May  8 15:19:47 2008
@@ -171,7 +171,6 @@
 	switch_speech_flag_t flags = SWITCH_SPEECH_FLAG_NONE;
 	switch_core_thread_session_t thread_session;
 	uint32_t rate, interval = 20;
-	int stream_id = 0;
 	switch_timer_t timer = { 0 }, *timerp = NULL;
 	uint32_t last;
 	char *mydata = NULL;
@@ -292,9 +291,7 @@
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "setup timer success %u bytes per %d ms!\n", (rate / 50) * 2, interval);
 
 		/* start a thread to absorb incoming audio */
-		for (stream_id = 0; stream_id < switch_core_session_get_stream_count(session); stream_id++) {
-			switch_core_service_session(session, &thread_session, stream_id);
-		}
+		switch_core_service_session(session, &thread_session, 0);
 		timerp = &timer;
 	}
 

Modified: freeswitch/trunk/src/mod/endpoints/mod_alsa/mod_alsa.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_alsa/mod_alsa.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_alsa/mod_alsa.c	Thu May  8 15:19:47 2008
@@ -149,8 +149,8 @@
 static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
 													switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags);
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
 static switch_status_t engage_device(unsigned int samplerate, int codec_ms);
 static switch_status_t load_config(void);
@@ -501,27 +501,6 @@
 }
 
 
-static switch_status_t channel_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
-{
-	private_t *tech_pvt = NULL;
-
-	tech_pvt = switch_core_session_get_private(session);
-	assert(tech_pvt != NULL);
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-static switch_status_t channel_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
-{
-	private_t *tech_pvt = NULL;
-
-	tech_pvt = switch_core_session_get_private(session);
-	assert(tech_pvt != NULL);
-
-	return SWITCH_STATUS_SUCCESS;
-
-}
-
 static switch_status_t channel_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
 {
 	private_t *tech_pvt = NULL;
@@ -534,7 +513,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_channel_t *channel = NULL;
 	private_t *tech_pvt = NULL;
@@ -652,7 +631,7 @@
 	return status;
 }
 
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_channel_t *channel = NULL;
 	private_t *tech_pvt = NULL;

Modified: freeswitch/trunk/src/mod/endpoints/mod_dingaling/mod_dingaling.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_dingaling/mod_dingaling.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_dingaling/mod_dingaling.c	Thu May  8 15:19:47 2008
@@ -211,8 +211,8 @@
 static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
 													switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags);
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
 
 static ldl_status handle_signalling(ldl_handle_t * handle, ldl_session_t * dlsession, ldl_signal_t dl_signal,
@@ -1306,26 +1306,6 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
-{
-	struct private_object *tech_pvt = NULL;
-
-	tech_pvt = switch_core_session_get_private(session);
-	switch_assert(tech_pvt != NULL);
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-static switch_status_t channel_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
-{
-	struct private_object *tech_pvt = NULL;
-
-	tech_pvt = switch_core_session_get_private(session);
-	switch_assert(tech_pvt != NULL);
-
-	return SWITCH_STATUS_SUCCESS;
-
-}
 
 static switch_status_t channel_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
 {
@@ -1340,7 +1320,7 @@
 
 }
 
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	struct private_object *tech_pvt = NULL;
 	switch_channel_t *channel = switch_core_session_get_channel(session);
@@ -1381,7 +1361,7 @@
 		while (switch_test_flag(tech_pvt, TFLAG_IO) && tech_pvt->read_frame.datalen == 0) {
 			tech_pvt->read_frame.flags = SFF_NONE;
 
-			status = switch_rtp_zerocopy_read_frame(tech_pvt->rtp_session, &tech_pvt->read_frame);
+			status = switch_rtp_zerocopy_read_frame(tech_pvt->rtp_session, &tech_pvt->read_frame, flags);
 			if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
 				return SWITCH_STATUS_FALSE;
 			}
@@ -1438,7 +1418,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	struct private_object *tech_pvt;
 	switch_channel_t *channel = switch_core_session_get_channel(session);

Modified: freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_iax/mod_iax.c	Thu May  8 15:19:47 2008
@@ -422,8 +422,8 @@
 static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
 													switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags);
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
 
 
@@ -557,20 +557,6 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
-{
-	assert(switch_core_session_get_private(session));
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-static switch_status_t channel_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
-{
-	assert(switch_core_session_get_private(session));
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
 static switch_status_t channel_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
 {
 	private_t *tech_pvt = switch_core_session_get_private(session);
@@ -584,11 +570,9 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	private_t *tech_pvt = switch_core_session_get_private(session);
-	switch_time_t started = switch_timestamp_now();
-	unsigned int elapsed;
 	switch_byte_t *data;
 
 	switch_assert(tech_pvt != NULL);
@@ -630,12 +614,6 @@
 			return SWITCH_STATUS_SUCCESS;
 		}
 
-		if (timeout > -1) {
-			elapsed = (unsigned int) ((switch_timestamp_now() - started) / 1000);
-			if (elapsed >= (unsigned int) timeout) {
-				return SWITCH_STATUS_SUCCESS;
-			}
-		}
 		switch_yield(1000);
 	}
 
@@ -651,7 +629,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	private_t *tech_pvt = switch_core_session_get_private(session);
 	switch_assert(tech_pvt != NULL);
@@ -812,8 +790,6 @@
 	/*.read_frame */ channel_read_frame,
 	/*.write_frame */ channel_write_frame,
 	/*.kill_channel */ channel_kill_channel,
-	/*.waitfor_read */ channel_waitfor_read,
-	/*.waitfor_write */ channel_waitfor_write,
 	/*.send_dtmf */ channel_send_dtmf,
 	/*.receive_message*/ channel_receive_message,
 	/*.receive_event */ channel_receive_event

Modified: freeswitch/trunk/src/mod/endpoints/mod_portaudio/mod_portaudio.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_portaudio/mod_portaudio.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_portaudio/mod_portaudio.c	Thu May  8 15:19:47 2008
@@ -146,8 +146,8 @@
 static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
 													switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags);
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
 static switch_status_t engage_device(int samplerate, int codec_ms);
 static switch_status_t engage_ring_device(int sample_rate, int channels);
@@ -448,16 +448,6 @@
 }
 
 
-static switch_status_t channel_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
-{
-	return SWITCH_STATUS_SUCCESS;
-}
-
-static switch_status_t channel_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
-{
-	return SWITCH_STATUS_SUCCESS;
-}
-
 static switch_status_t channel_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
 {
 	private_t *tech_pvt = switch_core_session_get_private(session);
@@ -468,7 +458,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	private_t *tech_pvt = switch_core_session_get_private(session);
 	int samples = 0;
@@ -566,7 +556,7 @@
 	return status;
 }
 
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_status_t status = SWITCH_STATUS_FALSE;
 	private_t *tech_pvt = switch_core_session_get_private(session);

Modified: freeswitch/trunk/src/mod/endpoints/mod_reference/mod_reference.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_reference/mod_reference.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_reference/mod_reference.c	Thu May  8 15:19:47 2008
@@ -106,8 +106,8 @@
 static switch_call_cause_t channel_outgoing_channel(switch_core_session_t *session,
 													switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags);
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 static switch_status_t channel_kill_channel(switch_core_session_t *session, int sig);
 
 
@@ -260,27 +260,6 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
-{
-	private_t *tech_pvt = NULL;
-
-	tech_pvt = switch_core_session_get_private(session);
-	assert(tech_pvt != NULL);
-
-	return SWITCH_STATUS_SUCCESS;
-}
-
-static switch_status_t channel_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
-{
-	private_t *tech_pvt = NULL;
-
-	tech_pvt = switch_core_session_get_private(session);
-	assert(tech_pvt != NULL);
-
-	return SWITCH_STATUS_SUCCESS;
-
-}
-
 static switch_status_t channel_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
 {
 	private_t *tech_pvt = switch_core_session_get_private(session);
@@ -289,7 +268,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_channel_t *channel = NULL;
 	private_t *tech_pvt = NULL;
@@ -350,7 +329,7 @@
 
 }
 
-static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t channel_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_channel_t *channel = NULL;
 	private_t *tech_pvt = NULL;
@@ -494,8 +473,6 @@
 	/*.read_frame */ channel_read_frame,
 	/*.write_frame */ channel_write_frame,
 	/*.kill_channel */ channel_kill_channel,
-	/*.waitfor_read */ channel_waitfor_read,
-	/*.waitfor_write */ channel_waitfor_write,
 	/*.send_dtmf */ channel_send_dtmf,
 	/*.receive_message*/ channel_receive_message,
 	/*.receive_event */ channel_receive_event

Modified: freeswitch/trunk/src/mod/endpoints/mod_sofia/mod_sofia.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_sofia/mod_sofia.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_sofia/mod_sofia.c	Thu May  8 15:19:47 2008
@@ -55,10 +55,10 @@
 static switch_call_cause_t sofia_outgoing_channel(switch_core_session_t *session,
 												  switch_caller_profile_t *outbound_profile, switch_core_session_t **new_session,
 												  switch_memory_pool_t **pool, switch_originate_flag_t flags);
-static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t sofia_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t sofia_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t sofia_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
+static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t sofia_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t sofia_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t sofia_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 static switch_status_t sofia_kill_channel(switch_core_session_t *session, int sig);
 
 /* BODY OF THE MODULE */
@@ -407,7 +407,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t sofia_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t sofia_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
 	switch_channel_t *channel = switch_core_session_get_channel(session);
@@ -442,7 +442,7 @@
 		while (switch_test_flag(tech_pvt, TFLAG_IO) && tech_pvt->video_read_frame.datalen == 0) {
 			tech_pvt->video_read_frame.flags = SFF_NONE;
 
-			status = switch_rtp_zerocopy_read_frame(tech_pvt->video_rtp_session, &tech_pvt->video_read_frame);
+			status = switch_rtp_zerocopy_read_frame(tech_pvt->video_rtp_session, &tech_pvt->video_read_frame, flags);
 			if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
 				if (status == SWITCH_STATUS_TIMEOUT) {
 					switch_channel_hangup(tech_pvt->channel, SWITCH_CAUSE_MEDIA_TIMEOUT);
@@ -468,7 +468,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t sofia_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t sofia_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	private_object_t *tech_pvt = (private_object_t *) switch_core_session_get_private(session);
 	switch_channel_t *channel = switch_core_session_get_channel(session);
@@ -503,7 +503,7 @@
 	return status;
 }
 
-static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t sofia_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	private_object_t *tech_pvt =  switch_core_session_get_private(session);
 	switch_channel_t *channel = switch_core_session_get_channel(session);
@@ -544,7 +544,7 @@
 		while (switch_test_flag(tech_pvt, TFLAG_IO) && tech_pvt->read_frame.datalen == 0) {
 			tech_pvt->read_frame.flags = SFF_NONE;
 
-			status = switch_rtp_zerocopy_read_frame(tech_pvt->rtp_session, &tech_pvt->read_frame);
+			status = switch_rtp_zerocopy_read_frame(tech_pvt->rtp_session, &tech_pvt->read_frame, flags);
 			
 			if (status != SWITCH_STATUS_SUCCESS && status != SWITCH_STATUS_BREAK) {
 				if (status == SWITCH_STATUS_TIMEOUT) {
@@ -588,7 +588,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t sofia_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t sofia_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	private_object_t *tech_pvt = switch_core_session_get_private(session);
 	switch_channel_t *channel = switch_core_session_get_channel(session);
@@ -673,16 +673,6 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t sofia_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
-{
-	return SWITCH_STATUS_SUCCESS;
-}
-
-static switch_status_t sofia_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
-{
-	return SWITCH_STATUS_SUCCESS;
-}
-
 static switch_status_t sofia_send_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
 {
 	private_object_t *tech_pvt;
@@ -1623,8 +1613,6 @@
 	/*.read_frame */ sofia_read_frame,
 	/*.write_frame */ sofia_write_frame,
 	/*.kill_channel */ sofia_kill_channel,
-	/*.waitfor_read */ sofia_waitfor_read,
-	/*.waitfor_read */ sofia_waitfor_write,
 	/*.send_dtmf */ sofia_send_dtmf,
 	/*.receive_message */ sofia_receive_message,
 	/*.receive_event */ sofia_receive_event,

Modified: freeswitch/trunk/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_wanpipe/mod_wanpipe.c	Thu May  8 15:19:47 2008
@@ -468,9 +468,9 @@
 static switch_status_t wanpipe_on_soft_execute(switch_core_session_t *session);
 static switch_call_cause_t wanpipe_outgoing_channel(switch_core_session_t *session, switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags);
-static switch_status_t wanpipe_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout,
+static switch_status_t wanpipe_read_frame(switch_core_session_t *session, switch_frame_t **frame,
 										switch_io_flag_t flags, int stream_id);
-static switch_status_t wanpipe_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout,
+static switch_status_t wanpipe_write_frame(switch_core_session_t *session, switch_frame_t *frame,
 										 switch_io_flag_t flags, int stream_id);
 static int on_info(struct sangoma_pri *spri, sangoma_pri_event_t event_type, pri_event *pevent);
 static int on_hangup(struct sangoma_pri *spri, sangoma_pri_event_t event_type, pri_event *pevent);
@@ -751,7 +751,7 @@
 
 
 
-static switch_status_t wanpipe_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout,
+static switch_status_t wanpipe_read_frame(switch_core_session_t *session, switch_frame_t **frame,
 										switch_io_flag_t flags, int stream_id)
 {
 	private_object_t *tech_pvt;
@@ -838,7 +838,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t wanpipe_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout,
+static switch_status_t wanpipe_write_frame(switch_core_session_t *session, switch_frame_t *frame,
 										 switch_io_flag_t flags, int stream_id)
 {
 	private_object_t *tech_pvt;
@@ -993,8 +993,6 @@
 	/*.read_frame */ wanpipe_read_frame,
 	/*.write_frame */ wanpipe_write_frame,
 	/*.kill_channel */ wanpipe_kill_channel,
-	/*.waitfor_read */ NULL,
-	/*.waitfor_read */ NULL,
 	/*.send_dtmf*/ wanpipe_send_dtmf,
 	/*.receive_message*/ wanpipe_receive_message
 };

Modified: freeswitch/trunk/src/mod/endpoints/mod_woomera/mod_woomera.c
==============================================================================
--- freeswitch/trunk/src/mod/endpoints/mod_woomera/mod_woomera.c	(original)
+++ freeswitch/trunk/src/mod/endpoints/mod_woomera/mod_woomera.c	Thu May  8 15:19:47 2008
@@ -176,8 +176,8 @@
 static switch_call_cause_t woomera_outgoing_channel(switch_core_session_t *session,
 													switch_caller_profile_t *outbound_profile,
 													switch_core_session_t **new_session, switch_memory_pool_t **pool, switch_originate_flag_t flags);
-static switch_status_t woomera_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id);
-static switch_status_t woomera_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id);
+static switch_status_t woomera_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id);
+static switch_status_t woomera_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id);
 static switch_status_t woomera_kill_channel(switch_core_session_t *session, int sig);
 static void tech_destroy(private_object * tech_pvt);
 static void woomera_printf(woomera_profile * profile, switch_socket_t * socket, char *fmt, ...);
@@ -322,28 +322,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-static switch_status_t woomera_waitfor_read(switch_core_session_t *session, int ms, int stream_id)
-{
-	struct private_object *tech_pvt = NULL;
-
-	tech_pvt = switch_core_session_get_private(session);
-	switch_assert(tech_pvt != NULL);
-
-	return switch_socket_waitfor(tech_pvt->read_poll, ms) ? SWITCH_STATUS_FALSE : SWITCH_STATUS_SUCCESS;
-}
-
-static switch_status_t woomera_waitfor_write(switch_core_session_t *session, int ms, int stream_id)
-{
-	struct private_object *tech_pvt = NULL;
-
-	tech_pvt = switch_core_session_get_private(session);
-	switch_assert(tech_pvt != NULL);
-
-	return SWITCH_STATUS_SUCCESS;
-//  return switch_socket_waitfor(tech_pvt->write_poll, ms);
-}
-
-static switch_status_t woomera_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t woomera_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	struct private_object *tech_pvt = switch_core_session_get_private(session);
 	switch_frame_t *pframe;
@@ -379,7 +358,7 @@
 	return SWITCH_STATUS_FALSE;
 }
 
-static switch_status_t woomera_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t woomera_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	struct private_object *tech_pvt = switch_core_session_get_private(session);
 	switch_size_t len;
@@ -417,8 +396,6 @@
 	/*.read_frame */ woomera_read_frame,
 	/*.write_frame */ woomera_write_frame,
 	/*.kill_channel */ woomera_kill_channel,
-	/*.waitfor_read */ woomera_waitfor_read,
-	/*.waitfor_write */ woomera_waitfor_write
 };
 
 /* Make sure when you have 2 sessions in the same scope that you pass the appropriate one to the routines

Modified: freeswitch/trunk/src/mod/languages/mod_spidermonkey_teletone/mod_spidermonkey_teletone.c
==============================================================================
--- freeswitch/trunk/src/mod/languages/mod_spidermonkey_teletone/mod_spidermonkey_teletone.c	(original)
+++ freeswitch/trunk/src/mod/languages/mod_spidermonkey_teletone/mod_spidermonkey_teletone.c	Thu May  8 15:19:47 2008
@@ -209,7 +209,6 @@
 		switch_frame_t write_frame = { 0 };
 		unsigned char *fdata[1024];
 		switch_frame_t *read_frame;
-		int stream_id;
 		switch_core_thread_session_t thread_session = { 0 };
 		switch_channel_t *channel;
 
@@ -238,9 +237,7 @@
 		channel = switch_core_session_get_channel(session);
 
 		if (tto->timer) {
-			for (stream_id = 0; stream_id < switch_core_session_get_stream_count(session); stream_id++) {
-				switch_core_service_session(session, &thread_session, stream_id);
-			}
+			switch_core_service_session(session, &thread_session, 0);
 		}
 
 		if (loops) {
@@ -275,7 +272,7 @@
 
 			} else {
 				switch_status_t status;
-				status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+				status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
 				if (!SWITCH_READ_ACCEPTABLE(status)) {
 					break;
@@ -287,11 +284,9 @@
 			}
 
 			write_frame.samples = write_frame.datalen / 2;
-			for (stream_id = 0; stream_id < switch_core_session_get_stream_count(session); stream_id++) {
-				if (switch_core_session_write_frame(session, &write_frame, -1, stream_id) != SWITCH_STATUS_SUCCESS) {
-					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Bad Write\n");
-					break;
-				}
+			if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
+				switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_ERROR, "Bad Write\n");
+				break;
 			}
 		}
 

Modified: freeswitch/trunk/src/switch_core.c
==============================================================================
--- freeswitch/trunk/src/switch_core.c	(original)
+++ freeswitch/trunk/src/switch_core.c	Thu May  8 15:19:47 2008
@@ -187,7 +187,7 @@
 
 	switch_channel_set_flag(channel, CF_SERVICE);
 	while (data->running > 0) {
-		switch (switch_core_session_read_frame(session, &read_frame, -1, stream_id)) {
+		switch (switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, stream_id)) {
 		case SWITCH_STATUS_SUCCESS:
 		case SWITCH_STATUS_TIMEOUT:
 		case SWITCH_STATUS_BREAK:

Modified: freeswitch/trunk/src/switch_core_event_hook.c
==============================================================================
--- freeswitch/trunk/src/switch_core_event_hook.c	(original)
+++ freeswitch/trunk/src/switch_core_event_hook.c	Thu May  8 15:19:47 2008
@@ -40,8 +40,6 @@
 NEW_HOOK_DECL(video_read_frame)
 NEW_HOOK_DECL(video_write_frame)
 NEW_HOOK_DECL(kill_channel)
-NEW_HOOK_DECL(waitfor_read)
-NEW_HOOK_DECL(waitfor_write)
 NEW_HOOK_DECL(send_dtmf)
 NEW_HOOK_DECL(recv_dtmf)
 NEW_HOOK_DECL(resurrect_session)

Modified: freeswitch/trunk/src/switch_core_io.c
==============================================================================
--- freeswitch/trunk/src/switch_core_io.c	(original)
+++ freeswitch/trunk/src/switch_core_io.c	Thu May  8 15:19:47 2008
@@ -35,20 +35,19 @@
 #include <switch.h>
 #include "private/switch_core_pvt.h"
 
-SWITCH_DECLARE(switch_status_t) switch_core_session_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, int stream_id)
+SWITCH_DECLARE(switch_status_t) switch_core_session_write_video_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_io_event_hook_video_write_frame_t *ptr;
 	switch_status_t status = SWITCH_STATUS_FALSE;
-	switch_io_flag_t flags = 0;
 
 	if (switch_channel_get_state(session->channel) >= CS_HANGUP) {
 		return SWITCH_STATUS_FALSE;
 	}
 
 	if (session->endpoint_interface->io_routines->write_video_frame) {
-		if ((status = session->endpoint_interface->io_routines->write_video_frame(session, frame, timeout, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
+		if ((status = session->endpoint_interface->io_routines->write_video_frame(session, frame, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
 			for (ptr = session->event_hooks.video_write_frame; ptr; ptr = ptr->next) {
-				if ((status = ptr->video_write_frame(session, frame, timeout, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
+				if ((status = ptr->video_write_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
 					break;
 				}
 			}
@@ -57,7 +56,7 @@
 	return status;
 }
 
-SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, int stream_id)
+SWITCH_DECLARE(switch_status_t) switch_core_session_read_video_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_status_t status = SWITCH_STATUS_FALSE;
 	switch_io_event_hook_video_read_frame_t *ptr;
@@ -68,9 +67,9 @@
 
 	if (session->endpoint_interface->io_routines->read_video_frame) {
 		if ((status =
-			 session->endpoint_interface->io_routines->read_video_frame(session, frame, timeout, SWITCH_IO_FLAG_NOOP, stream_id)) == SWITCH_STATUS_SUCCESS) {
+			 session->endpoint_interface->io_routines->read_video_frame(session, frame, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
 			for (ptr = session->event_hooks.video_read_frame; ptr; ptr = ptr->next) {
-				if ((status = ptr->video_read_frame(session, frame, timeout, SWITCH_IO_FLAG_NOOP, stream_id)) != SWITCH_STATUS_SUCCESS) {
+				if ((status = ptr->video_read_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
 					break;
 				}
 			}
@@ -98,7 +97,7 @@
 	return status;
 }
 
-SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_session_t *session, switch_frame_t **frame, int timeout, int stream_id)
+SWITCH_DECLARE(switch_status_t) switch_core_session_read_frame(switch_core_session_t *session, switch_frame_t **frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_io_event_hook_read_frame_t *ptr;
 	switch_status_t status;
@@ -125,9 +124,9 @@
 
 	if (session->endpoint_interface->io_routines->read_frame) {
 		if ((status =
-			 session->endpoint_interface->io_routines->read_frame(session, frame, timeout, SWITCH_IO_FLAG_NOOP, stream_id)) == SWITCH_STATUS_SUCCESS) {
+			 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, timeout, SWITCH_IO_FLAG_NOOP, stream_id)) != SWITCH_STATUS_SUCCESS) {
+				if ((status = ptr->read_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
 					break;
 				}
 			}
@@ -469,16 +468,16 @@
 	return status;
 }
 
-static switch_status_t perform_write(switch_core_session_t *session, switch_frame_t *frame, int timeout, switch_io_flag_t flags, int stream_id)
+static switch_status_t perform_write(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 	switch_io_event_hook_write_frame_t *ptr;
 	switch_status_t status = SWITCH_STATUS_FALSE;
 
 	if (session->endpoint_interface->io_routines->write_frame) {
 
-		if ((status = session->endpoint_interface->io_routines->write_frame(session, frame, timeout, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
+		if ((status = session->endpoint_interface->io_routines->write_frame(session, frame, flags, stream_id)) == SWITCH_STATUS_SUCCESS) {
 			for (ptr = session->event_hooks.write_frame; ptr; ptr = ptr->next) {
-				if ((status = ptr->write_frame(session, frame, timeout, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
+				if ((status = ptr->write_frame(session, frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
 					break;
 				}
 			}
@@ -488,13 +487,12 @@
 	return status;
 }
 
-SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_session_t *session, switch_frame_t *frame, int timeout, int stream_id)
+SWITCH_DECLARE(switch_status_t) switch_core_session_write_frame(switch_core_session_t *session, switch_frame_t *frame, switch_io_flag_t flags, int stream_id)
 {
 
 	switch_status_t status = SWITCH_STATUS_FALSE;
 	switch_frame_t *enc_frame = NULL, *write_frame = frame;
 	unsigned int flag = 0, need_codec = 0, perfect = 0, do_bugs = 0, do_write = 0, do_resample = 0, ptime_mismatch = 0;
-	switch_io_flag_t io_flag = SWITCH_IO_FLAG_NOOP;
 
 	switch_assert(session != NULL);
 	switch_assert(frame != NULL);
@@ -509,12 +507,12 @@
 
 	if (switch_test_flag(frame, SFF_PROXY_PACKET)) {
 		/* Fast PASS! */
-		return perform_write(session, frame, timeout, flag, stream_id);
+		return perform_write(session, frame, flag, stream_id);
 	}
 
 	if (switch_test_flag(frame, SFF_CNG)) {
 		if (switch_channel_test_flag(session->channel, CF_ACCEPT_CNG)) {
-			return perform_write(session, frame, timeout, flag, stream_id);
+			return perform_write(session, frame, flag, stream_id);
 		}
 		return SWITCH_STATUS_SUCCESS;
 	}
@@ -755,7 +753,7 @@
 				if (flag & SFF_CNG) {
 					switch_set_flag(write_frame, SFF_CNG);
 				}
-				status = perform_write(session, write_frame, timeout, io_flag, stream_id);
+				status = perform_write(session, write_frame, flags, stream_id);
 				return status;
 			} else {
 				switch_size_t used = switch_buffer_inuse(session->raw_write_buffer);
@@ -861,7 +859,7 @@
 								switch_set_flag(write_frame, SFF_CNG);
 							}
 
-							if ((status = perform_write(session, write_frame, timeout, io_flag, stream_id)) != SWITCH_STATUS_SUCCESS) {
+							if ((status = perform_write(session, write_frame, flags, stream_id)) != SWITCH_STATUS_SUCCESS) {
 								break;
 							}
 						}
@@ -877,7 +875,7 @@
   done:
 
 	if (do_write) {
-		return perform_write(session, frame, timeout, io_flag, stream_id);
+		return perform_write(session, frame, flags, stream_id);
 	}
 	return status;
 }
@@ -911,40 +909,6 @@
 	return status;
 }
 
-SWITCH_DECLARE(switch_status_t) switch_core_session_waitfor_read(switch_core_session_t *session, int timeout, int stream_id)
-{
-	switch_io_event_hook_waitfor_read_t *ptr;
-	switch_status_t status = SWITCH_STATUS_FALSE;
-
-	if (session->endpoint_interface->io_routines->waitfor_read) {
-		if ((status = session->endpoint_interface->io_routines->waitfor_read(session, timeout, stream_id)) == SWITCH_STATUS_SUCCESS) {
-			for (ptr = session->event_hooks.waitfor_read; ptr; ptr = ptr->next) {
-				if ((status = ptr->waitfor_read(session, timeout, stream_id)) != SWITCH_STATUS_SUCCESS) {
-					break;
-				}
-			}
-		}
-	}
-	return status;
-}
-
-SWITCH_DECLARE(switch_status_t) switch_core_session_waitfor_write(switch_core_session_t *session, int timeout, int stream_id)
-{
-	switch_io_event_hook_waitfor_write_t *ptr;
-	switch_status_t status = SWITCH_STATUS_FALSE;
-
-	if (session->endpoint_interface->io_routines->waitfor_write) {
-		if ((status = session->endpoint_interface->io_routines->waitfor_write(session, timeout, stream_id)) == SWITCH_STATUS_SUCCESS) {
-			for (ptr = session->event_hooks.waitfor_write; ptr; ptr = ptr->next) {
-				if ((status = ptr->waitfor_write(session, timeout, stream_id)) != SWITCH_STATUS_SUCCESS) {
-					break;
-				}
-			}
-		}
-	}
-	return status;
-}
-
 SWITCH_DECLARE(switch_status_t) switch_core_session_recv_dtmf(switch_core_session_t *session, const switch_dtmf_t *dtmf)
 {
 	switch_io_event_hook_recv_dtmf_t *ptr;	

Modified: freeswitch/trunk/src/switch_ivr.c
==============================================================================
--- freeswitch/trunk/src/switch_ivr.c	(original)
+++ freeswitch/trunk/src/switch_ivr.c	Thu May  8 15:19:47 2008
@@ -64,7 +64,7 @@
 			(!switch_channel_test_flag(channel, CF_ANSWERED) && !switch_channel_test_flag(channel, CF_EARLY_MEDIA))) {
 			switch_yield(1000);
 		} else {
-			status = switch_core_session_read_frame(session, &read_frame, left, 0);
+			status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				break;
 			}
@@ -93,7 +93,7 @@
 		}
 		conninfo->write_frame.datalen = (uint32_t)len;
 		conninfo->write_frame.samples = conninfo->write_frame.datalen / 2;
-		switch_core_session_write_frame(conninfo->session, &conninfo->write_frame, -1, conninfo->stream_id);
+		switch_core_session_write_frame(conninfo->session, &conninfo->write_frame, SWITCH_IO_FLAG_NONE, conninfo->stream_id);
 	}
 	
 	switch_clear_flag_locked(conninfo, SUF_READY);
@@ -276,7 +276,7 @@
 		int frame_count = atoi(lead_frames);
 
 		while(frame_count > 0) {
-			status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+			status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				goto done;
 			}
@@ -449,7 +449,7 @@
 
 	while (switch_channel_ready(channel) && switch_channel_test_flag(channel, CF_CONTROLLED)) {
 
-		if ((status = switch_core_session_read_frame(session, &read_frame, -1, stream_id)) == SWITCH_STATUS_SUCCESS) {
+		if ((status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, stream_id)) == SWITCH_STATUS_SUCCESS) {
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				break;
 			}
@@ -615,7 +615,7 @@
 		if (switch_channel_test_flag(channel, CF_SERVICE)) {
 			switch_yield(1000);
 		} else {
-			status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+			status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		}
 
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
@@ -731,7 +731,7 @@
 		if (switch_channel_test_flag(channel, CF_SERVICE)) {
 			switch_yield(1000);
 		} else {
-			status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+			status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				break;
 			}
@@ -843,7 +843,7 @@
 			switch_core_session_receive_message(session, &msg);
 
 			switch_channel_wait_for_flag(channel, CF_REQ_MEDIA, SWITCH_FALSE, 10000);
-			switch_core_session_read_frame(session, &read_frame, -1, 0);
+			switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 			
 			if ((flags & SMF_REBRIDGE)
 				&& (other_uuid = switch_channel_get_variable(channel, SWITCH_SIGNAL_BRIDGE_VARIABLE))
@@ -852,7 +852,7 @@
 				switch_assert(other_channel != NULL);
 				switch_core_session_receive_message(other_session, &msg);
 				switch_channel_wait_for_flag(other_channel, CF_REQ_MEDIA, SWITCH_FALSE, 10000);
-				switch_core_session_read_frame(other_session, &read_frame, -1, 0);
+				switch_core_session_read_frame(other_session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 				switch_channel_clear_state_handler(other_channel, NULL);
 				switch_core_session_rwunlock(other_session);
 			}
@@ -1642,7 +1642,7 @@
 	write_frame.codec = read_codec;
 
 	while(switch_channel_ready(channel)) {
-		status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
 		}
@@ -1653,7 +1653,7 @@
 		if ((jb_frame = stfu_n_read_a_frame(jb))) {
 			write_frame.data = jb_frame->data;
 			write_frame.datalen = (uint32_t)jb_frame->dlen;
-			status = switch_core_session_write_frame(session, &write_frame, -1, 0);
+			status = switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0);
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				break;
 			}

Modified: freeswitch/trunk/src/switch_ivr_async.c
==============================================================================
--- freeswitch/trunk/src/switch_ivr_async.c	(original)
+++ freeswitch/trunk/src/switch_ivr_async.c	Thu May  8 15:19:47 2008
@@ -49,7 +49,7 @@
 
 	eh->up = 1;	
 	while(switch_channel_ready(channel)) {
-		status = switch_core_session_read_video_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_video_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
         
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
@@ -59,7 +59,7 @@
 			continue;
 		}
 
-		switch_core_session_write_video_frame(session, read_frame, -1, 0);
+		switch_core_session_write_video_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0);
 		
 	}
 	eh->up = 0;
@@ -91,14 +91,14 @@
 #endif
 
 	while(switch_channel_ready(channel)) {
-		status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
 		}
-		switch_core_session_write_frame(session, read_frame, -1, 0);
+		switch_core_session_write_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0);
 
 #ifndef SWITCH_VIDEO_IN_THREADS
-		status = switch_core_session_read_video_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_video_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
         
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
@@ -108,7 +108,7 @@
 			continue;
 		}
 
-		switch_core_session_write_video_frame(session, read_frame, -1, 0);
+		switch_core_session_write_video_frame(session, read_frame, SWITCH_IO_FLAG_NONE, 0);
 #endif
 
 	}
@@ -590,7 +590,7 @@
 			char *fcommand = NULL;
 			char db[2] = "";
 
-			status = switch_core_session_read_frame(session, &read_frame, 1000, 0);
+			status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 			
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				goto end;
@@ -676,7 +676,7 @@
 				while (switch_buffer_inuse(ep->buffer) >= len) {
 					write_frame.datalen = (uint32_t)switch_buffer_read(ep->buffer, buf, len);
 					write_frame.samples = write_frame.datalen / 2;
-					if ((status = switch_core_session_write_frame(session, &write_frame, 1000, 0)) != SWITCH_STATUS_SUCCESS) {
+					if ((status = switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0)) != SWITCH_STATUS_SUCCESS) {
 						break;
 					}
 				}

Modified: freeswitch/trunk/src/switch_ivr_bridge.c
==============================================================================
--- freeswitch/trunk/src/switch_ivr_bridge.c	(original)
+++ freeswitch/trunk/src/switch_ivr_bridge.c	Thu May  8 15:19:47 2008
@@ -52,13 +52,13 @@
 
 	vh->up = 1;	
 	while(switch_channel_ready(channel) && vh->up == 1) {
-		status = switch_core_session_read_video_frame(vh->session_a, &read_frame, -1, 0);
+		status = switch_core_session_read_video_frame(vh->session_a, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
 		}
 		
-		switch_core_session_write_video_frame(vh->session_b, read_frame, -1, 0);
+		switch_core_session_write_video_frame(vh->session_b, read_frame, SWITCH_IO_FLAG_NONE, 0);
 		
 	}
 	vh->up = 0;
@@ -164,7 +164,7 @@
 			if (switch_channel_test_flag(chan_a, CF_SUSPEND)) {
 				status = SWITCH_STATUS_SUCCESS;
 			} else {
-				status = switch_core_session_read_frame(session_a, &read_frame, -1, stream_id);
+				status = switch_core_session_read_frame(session_a, &read_frame, SWITCH_IO_FLAG_NONE, stream_id);
 			}
 
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
@@ -250,18 +250,18 @@
 #ifndef SWITCH_VIDEO_IN_THREADS
 		if (switch_channel_test_flag(chan_a, CF_VIDEO) && switch_channel_test_flag(chan_b, CF_VIDEO)) {
 			/* read video from 1 channel and write it to the other */
-			status = switch_core_session_read_video_frame(session_a, &read_frame, -1, 0);
+			status = switch_core_session_read_video_frame(session_a, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		
 			if (!SWITCH_READ_ACCEPTABLE(status)) {
 				goto end_of_bridge_loop;
 			}
 		
-			switch_core_session_write_video_frame(session_b, read_frame, -1, 0);
+			switch_core_session_write_video_frame(session_b, read_frame, SWITCH_IO_FLAG_NONE, 0);
 		}
 #endif
 
 		/* read audio from 1 channel and write it to the other */
-		status = switch_core_session_read_frame(session_a, &read_frame, -1, stream_id);
+		status = switch_core_session_read_frame(session_a, &read_frame, SWITCH_IO_FLAG_NONE, stream_id);
 
 		if (SWITCH_READ_ACCEPTABLE(status)) {
 			if (switch_test_flag(read_frame, SFF_CNG)) {
@@ -269,7 +269,7 @@
 			}
 
 			if (status != SWITCH_STATUS_BREAK && !switch_channel_test_flag(chan_a, CF_HOLD)) {
-				if (switch_core_session_write_frame(session_b, read_frame, -1, stream_id) != SWITCH_STATUS_SUCCESS) {
+				if (switch_core_session_write_frame(session_b, read_frame, SWITCH_IO_FLAG_NONE, stream_id) != SWITCH_STATUS_SUCCESS) {
 					switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "write: %s Bad Frame....[%u] Bubye!\n",
 									  switch_channel_get_name(chan_b), read_frame->datalen);
 					goto end_of_bridge_loop;

Modified: freeswitch/trunk/src/switch_ivr_originate.c
==============================================================================
--- freeswitch/trunk/src/switch_ivr_originate.c	(original)
+++ freeswitch/trunk/src/switch_ivr_originate.c	Thu May  8 15:19:47 2008
@@ -383,7 +383,7 @@
 				message = NULL;
 			}
 		}
-		status = switch_core_session_read_frame(session, &read_frame, 1000, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
 		}
@@ -421,7 +421,7 @@
 				}
 			}
 
-			if (switch_core_session_write_frame(session, &write_frame, 1000, 0) != SWITCH_STATUS_SUCCESS) {
+			if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
 				break;
 			}
 		} else {
@@ -1061,7 +1061,7 @@
 				if (session && (ringback_data || 
 								!(switch_channel_test_flag(caller_channel, CF_PROXY_MODE) && switch_channel_test_flag(caller_channel, CF_PROXY_MODE))) &&
 					(switch_channel_test_flag(caller_channel, CF_ANSWERED) || switch_channel_test_flag(caller_channel, CF_EARLY_MEDIA))) {
-					switch_status_t tstatus = switch_core_session_read_frame(session, &read_frame, 1000, 0);
+					switch_status_t tstatus = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 					
 					if (!SWITCH_READ_ACCEPTABLE(tstatus)) {
 						break;
@@ -1100,7 +1100,7 @@
 							}
 						}
 						
-						if (switch_core_session_write_frame(session, &write_frame, 1000, 0) != SWITCH_STATUS_SUCCESS) {
+						if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
 							break;
 						}
 					}

Modified: freeswitch/trunk/src/switch_ivr_play_say.c
==============================================================================
--- freeswitch/trunk/src/switch_ivr_play_say.c	(original)
+++ freeswitch/trunk/src/switch_ivr_play_say.c	Thu May  8 15:19:47 2008
@@ -505,7 +505,7 @@
 			}
 		}
 
-		status = switch_core_session_read_frame(session, &read_frame, -1, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
 		}
@@ -624,7 +624,7 @@
 			break;
 		}
 
-		status = switch_core_session_read_frame(session, &read_frame, 1000, 0);
+		status = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
 		if (!SWITCH_READ_ACCEPTABLE(status)) {
 			break;
@@ -643,7 +643,7 @@
 
 		write_frame.samples = write_frame.datalen / 2;
 
-		if (switch_core_session_write_frame(session, &write_frame, 1000, 0) != SWITCH_STATUS_SUCCESS) {
+		if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
 			break;
 		}
 	}
@@ -674,7 +674,6 @@
 	switch_codec_t codec;
 	switch_memory_pool_t *pool = switch_core_session_get_pool(session);
 	char *codec_name;
-	int stream_id = 0;
 	switch_status_t status = SWITCH_STATUS_SUCCESS;
 	switch_file_handle_t lfh;
 	switch_codec_t *read_codec = NULL;
@@ -899,9 +898,7 @@
 
 	if (timer_name) {
 		/* start a thread to absorb incoming audio */
-		for (stream_id = 0; stream_id < switch_core_session_get_stream_count(session); stream_id++) {
-			switch_core_service_session(session, &thread_session, stream_id);
-		}
+		switch_core_service_session(session, &thread_session, 0);
 	}
 
 	ilen = samples;
@@ -1080,14 +1077,12 @@
 		}
 #endif
 #endif
-		stream_id = 0;
-
 		if (fh->vol) {
 			switch_change_sln_volume(write_frame.data, write_frame.datalen / 2, fh->vol);
 		}
 
 		fh->offset_pos += write_frame.samples / 2;
-		status = switch_core_session_write_frame(session, &write_frame, -1, stream_id);
+		status = switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0);
 		
 		if (status == SWITCH_STATUS_MORE_DATA) {
 			status = SWITCH_STATUS_SUCCESS;
@@ -1112,7 +1107,7 @@
 				switch_yield(10000);
 			}
 
-			tstatus = switch_core_session_read_frame(session, &read_frame, -1, 0);
+			tstatus = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 			
 			if (!SWITCH_READ_ACCEPTABLE(tstatus)) {
 				break;
@@ -1338,7 +1333,6 @@
 	switch_size_t ilen = 0;
 	switch_frame_t write_frame = { 0 };
 	int x;
-	int stream_id = 0;
 	int done = 0;
 	int lead_in_out = 10;
 	switch_status_t status = SWITCH_STATUS_SUCCESS;
@@ -1420,7 +1414,7 @@
 		if (timer) {
 			write_frame.timestamp = timer->samplecount;
 		}
-		if (switch_core_session_write_frame(session, &write_frame, -1, stream_id) != SWITCH_STATUS_SUCCESS) {
+		if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
 			done = 1;
 			break;
 		}
@@ -1490,7 +1484,7 @@
 				}
 			} else {
 				switch_frame_t *read_frame;
-				switch_status_t tstatus = switch_core_session_read_frame(session, &read_frame, -1, 0);
+				switch_status_t tstatus = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
 				while (switch_channel_ready(channel) && switch_channel_test_flag(channel, CF_HOLD)) {
 					switch_yield(10000);
@@ -1518,7 +1512,7 @@
 				if (timer) {
 					write_frame.timestamp = timer->samplecount;
 				}
-				if (switch_core_session_write_frame(session, &write_frame, -1, stream_id) != SWITCH_STATUS_SUCCESS) {
+				if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
 					done = 1;
 					break;
 				}
@@ -1538,7 +1532,7 @@
 		if (timer) {
 			write_frame.timestamp = timer->samplecount;
 		}
-		if (switch_core_session_write_frame(session, &write_frame, -1, stream_id) != SWITCH_STATUS_SUCCESS) {
+		if (switch_core_session_write_frame(session, &write_frame, SWITCH_IO_FLAG_NONE, 0) != SWITCH_STATUS_SUCCESS) {
 			done = 1;
 			break;
 		}
@@ -1553,7 +1547,7 @@
 			}
 		} else {				/* time off the channel (if you must) */
 			switch_frame_t *read_frame;
-			switch_status_t tstatus = switch_core_session_read_frame(session, &read_frame, -1, 0);
+			switch_status_t tstatus = switch_core_session_read_frame(session, &read_frame, SWITCH_IO_FLAG_NONE, 0);
 
 			while (switch_channel_ready(channel) && switch_channel_test_flag(channel, CF_HOLD)) {
 				switch_yield(10000);
@@ -1618,7 +1612,6 @@
 	switch_codec_t lcodec, *codec;
 	switch_memory_pool_t *pool = switch_core_session_get_pool(session);
 	char *codec_name;
-	int stream_id = 0;
 	switch_status_t status = SWITCH_STATUS_SUCCESS;
 	switch_speech_handle_t lsh, *sh;
 	switch_speech_flag_t flags = SWITCH_SPEECH_FLAG_NONE;
@@ -1721,9 +1714,8 @@
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_DEBUG, "setup timer success %u bytes per %d ms!\n", sh->samples * 2, interval);
 		}
 		/* start a thread to absorb incoming audio */
-		for (stream_id = 0; stream_id < switch_core_session_get_stream_count(session); stream_id++) {
-			switch_core_service_session(session, &thread_session, stream_id);
-		}
+		switch_core_service_session(session, &thread_session, 0);
+
 	}
 	
 	status = switch_ivr_speak_text_handle(session, sh, write_frame.codec, timer_name ? timer : NULL, text, args);

Modified: freeswitch/trunk/src/switch_rtp.c
==============================================================================
--- freeswitch/trunk/src/switch_rtp.c	(original)
+++ freeswitch/trunk/src/switch_rtp.c	Thu May  8 15:19:47 2008
@@ -1094,7 +1094,7 @@
 	}
 }
 
-static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_type, switch_frame_flag_t *flags)
+static int rtp_common_read(switch_rtp_t *rtp_session, switch_payload_t *payload_type, switch_frame_flag_t *flags, switch_io_flag_t io_flags)
 {
 	switch_size_t bytes = 0;
 	switch_status_t status;
@@ -1142,6 +1142,12 @@
 			goto end;
 		}
 
+		if (!bytes && (io_flags & SWITCH_IO_FLAG_NOBLOCK)) {
+			do_cng = 1;
+            goto cng;
+		}
+
+
 		if (rtp_session->timer.interval) {
 			check = (uint8_t) (switch_core_timer_check(&rtp_session->timer, SWITCH_TRUE) == SWITCH_STATUS_SUCCESS);						
 			if (bytes) {
@@ -1508,7 +1514,7 @@
 }
 
 SWITCH_DECLARE(switch_status_t) switch_rtp_read(switch_rtp_t *rtp_session, void *data, uint32_t * datalen,
-												switch_payload_t *payload_type, switch_frame_flag_t *flags)
+												switch_payload_t *payload_type, switch_frame_flag_t *flags, switch_io_flag_t io_flags)
 {
 	int bytes = 0;
 
@@ -1516,7 +1522,7 @@
 		return SWITCH_STATUS_FALSE;
 	}
 
-	bytes = rtp_common_read(rtp_session, payload_type, flags);
+	bytes = rtp_common_read(rtp_session, payload_type, flags, io_flags);
 
 	if (bytes < 0) {
 		*datalen = 0;
@@ -1535,7 +1541,7 @@
 	return SWITCH_STATUS_SUCCESS;
 }
 
-SWITCH_DECLARE(switch_status_t) switch_rtp_zerocopy_read_frame(switch_rtp_t *rtp_session, switch_frame_t *frame)
+SWITCH_DECLARE(switch_status_t) switch_rtp_zerocopy_read_frame(switch_rtp_t *rtp_session, switch_frame_t *frame, switch_io_flag_t io_flags)
 {
 	int bytes = 0;
 
@@ -1543,7 +1549,7 @@
 		return SWITCH_STATUS_FALSE;
 	}
 
-	bytes = rtp_common_read(rtp_session, &frame->payload, &frame->flags);
+	bytes = rtp_common_read(rtp_session, &frame->payload, &frame->flags, io_flags);
 
 	frame->data = rtp_session->recv_msg.body;
 	frame->packet = &rtp_session->recv_msg;
@@ -1574,7 +1580,7 @@
 }
 
 SWITCH_DECLARE(switch_status_t) switch_rtp_zerocopy_read(switch_rtp_t *rtp_session,
-														 void **data, uint32_t * datalen, switch_payload_t *payload_type, switch_frame_flag_t *flags)
+														 void **data, uint32_t * datalen, switch_payload_t *payload_type, switch_frame_flag_t *flags, switch_io_flag_t io_flags)
 {
 	int bytes = 0;
 
@@ -1582,7 +1588,7 @@
 		return SWITCH_STATUS_FALSE;
 	}
 
-	bytes = rtp_common_read(rtp_session, payload_type, flags);
+	bytes = rtp_common_read(rtp_session, payload_type, flags, io_flags);
 	*data = rtp_session->recv_msg.body;
 
 	if (bytes < 0) {



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