re-implement sla barge using eavesdrop backend

src/include/private/switch_core_pvt.h

@@ -171,6 +171,8 @@ struct switch_core_session {
 	uint32_t soft_lock;
 	switch_ivr_dmachine_t *dmachine[2];
 	plc_state_t *plc;
+	uint8_t recur_buffer[SWITCH_RECOMMENDED_BUFFER_SIZE];
+	switch_size_t recur_buffer_len;
 };
 
 struct switch_media_bug {
@@ -199,6 +201,7 @@ struct switch_media_bug {
 	uint32_t record_pre_buffer_count;
 	uint32_t record_pre_buffer_max;
 	switch_frame_t *ping_frame;
+	switch_frame_t *read_demux_frame;
 	struct switch_media_bug *next;
 };
 

src/include/switch_core.h

@@ -137,6 +137,11 @@ SWITCH_DECLARE(void) switch_core_session_disable_heartbeat(switch_core_session_t
 
 #define switch_core_session_get_name(_s) switch_channel_get_name(switch_core_session_get_channel(_s))
 
+SWITCH_DECLARE(switch_status_t) switch_core_media_bug_pop(switch_core_session_t *orig_session, const char *function, switch_media_bug_t **pop);
+								
+SWITCH_DECLARE(switch_status_t) switch_core_media_bug_exec_all(switch_core_session_t *orig_session, 
+															   const char *function, switch_media_bug_exec_cb_t cb, void *user_data);
+
 /*!
   \brief Add a media bug to the session
   \param session the session to add the bug to
@@ -193,7 +198,7 @@ SWITCH_DECLARE(void) switch_core_media_bug_set_write_replace_frame(_In_ switch_m
   \param bug the bug to get the data from
 */
 SWITCH_DECLARE(switch_frame_t *) switch_core_media_bug_get_read_replace_frame(_In_ switch_media_bug_t *bug);
-
+SWITCH_DECLARE(void) switch_core_media_bug_set_read_demux_frame(_In_ switch_media_bug_t *bug, _In_ switch_frame_t *frame);
 /*!
   \brief Obtain the session from a media bug
   \param bug the bug to get the data from
@@ -225,6 +230,7 @@ SWITCH_DECLARE(uint32_t) switch_core_cpu_count(void);
   \param bug bug to remove
   \return SWITCH_STATUS_SUCCESS if the operation was a success
 */
+
 SWITCH_DECLARE(switch_status_t) switch_core_media_bug_remove(_In_ switch_core_session_t *session, _Inout_ switch_media_bug_t **bug);
 SWITCH_DECLARE(uint32_t) switch_core_media_bug_prune(switch_core_session_t *session);
 
@@ -247,7 +253,9 @@ SWITCH_DECLARE(switch_status_t) switch_core_media_bug_close(_Inout_ switch_media
   \param session the session to remove the bugs from
   \return SWITCH_STATUS_SUCCESS if the operation was a success
 */
-SWITCH_DECLARE(switch_status_t) switch_core_media_bug_remove_all(_In_ switch_core_session_t *session);
+SWITCH_DECLARE(switch_status_t) switch_core_media_bug_remove_all_function(_In_ switch_core_session_t *session, const char *function);
+
+#define switch_core_media_bug_remove_all(_s) switch_core_media_bug_remove_all_function(_s, NULL)
 
 SWITCH_DECLARE(switch_status_t) switch_core_media_bug_enumerate(switch_core_session_t *session, switch_stream_handle_t *stream);
 SWITCH_DECLARE(switch_status_t) switch_core_media_bug_transfer_recordings(switch_core_session_t *orig_session, switch_core_session_t *new_session);

src/include/switch_ivr.h

@@ -269,6 +269,11 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_detect_speech_start_input_timers(swit
 */
 SWITCH_DECLARE(switch_status_t) switch_ivr_record_session(switch_core_session_t *session, char *file, uint32_t limit, switch_file_handle_t *fh);
 
+
+SWITCH_DECLARE(switch_status_t) switch_ivr_eavesdrop_pop_eavesdropper(switch_core_session_t *session, switch_core_session_t **sessionp);
+SWITCH_DECLARE(switch_status_t) switch_ivr_eavesdrop_exec_all(switch_core_session_t *session, const char *app, const char *arg);
+SWITCH_DECLARE(switch_status_t) switch_ivr_eavesdrop_update_display(switch_core_session_t *session, const char *name, const char *number);
+
 /*!
   \brief Eavesdrop on a another session
   \param session our session

src/include/switch_resample.h

@@ -170,7 +170,7 @@ SWITCH_DECLARE(void) switch_change_sln_volume_granular(int16_t *data, uint32_t s
 ///\}
 
 SWITCH_DECLARE(uint32_t) switch_merge_sln(int16_t *data, uint32_t samples, int16_t *other_data, uint32_t other_samples);
-
+SWITCH_DECLARE(uint32_t) switch_unmerge_sln(int16_t *data, uint32_t samples, int16_t *other_data, uint32_t other_samples);
 SWITCH_DECLARE(void) switch_mux_channels(int16_t *data, switch_size_t samples, uint32_t channels);
 
 SWITCH_END_EXTERN_C

src/include/switch_types.h

@@ -288,7 +288,8 @@ typedef enum {
 	ED_NONE = 0,
 	ED_MUX_READ = (1 << 0),
 	ED_MUX_WRITE = (1 << 1),
-	ED_DTMF = (1 << 2)
+	ED_DTMF = (1 << 2),
+	ED_COPY_DISPLAY = (1 << 3)
 } switch_eavesdrop_flag_enum_t;
 typedef uint32_t switch_eavesdrop_flag_t;
 
@@ -1434,7 +1435,8 @@ typedef enum {
 	SMBF_THREAD_LOCK = (1 << 7),
 	SMBF_PRUNE = (1 << 8),
 	SMBF_NO_PAUSE = (1 << 9),
-	SMBF_STEREO_SWAP = (1 << 10)
+	SMBF_STEREO_SWAP = (1 << 10),
+	SMBF_LOCK = (1 << 11)
 } switch_media_bug_flag_enum_t;
 typedef uint32_t switch_media_bug_flag_t;
 
@@ -1821,6 +1823,8 @@ struct switch_console_callback_match {
 };
 typedef struct switch_console_callback_match switch_console_callback_match_t;
 
+typedef void (*switch_media_bug_exec_cb_t)(switch_media_bug_t *bug, void *user_data);
+
 typedef void (*switch_cap_callback_t) (const char *var, const char *val, void *user_data);
 typedef switch_status_t (*switch_console_complete_callback_t) (const char *, const char *, switch_console_callback_match_t **matches);
 typedef switch_bool_t (*switch_media_bug_callback_t) (switch_media_bug_t *, void *, switch_abc_type_t);