webrtc_test: Make sub functions to change menu state

[Version] 0.3.85
[Issue Type] Refactoring

Change-Id: I91462e96aad3011aca9a9545cca5a08725e2c9f5
Signed-off-by: Sangchul Lee <sc11.lee@samsung.com>

diff --git a/packaging/capi-media-webrtc.spec b/packaging/capi-media-webrtc.spec
index 3a73cfe73b11e6d4b49435b3270640966bc86ce5..c8548282c99a998bd181f22e8679b65a541a6254 100644 (file)
--- a/packaging/capi-media-webrtc.spec
+++ b/packaging/capi-media-webrtc.spec
@@ -1,6 +1,6 @@
 Name:       capi-media-webrtc
 Summary:    A WebRTC library in Tizen Native API
-Version:    0.3.84
+Version:    0.3.85
 Release:    0
 Group:      Multimedia/API
 License:    Apache-2.0

diff --git a/test/webrtc_test.c b/test/webrtc_test.c
index 5db19efbb2bd9827961000acebee13c12e793374..9812da1c1f6589efd3741de3c42ab92ead9bdf31 100644 (file)
--- a/test/webrtc_test.c
+++ b/test/webrtc_test.c
@@ -4215,330 +4215,365 @@ void quit_program()
        elm_exit();
 }
 
-void _interpret_main_menu(char *cmd)
+static void change_menu_state_1(char *cmd)
 {
-       int len = strlen(cmd);
-       if (len == 1) {
-               if (strncmp(cmd, "c", 1) == 0) {
-                       _webrtc_create(0);
+       if (!cmd)
+               return;
 
-               } else if (strncmp(cmd, "a", 1) == 0) {
-                       g_menu_state = CURRENT_STATUS_ADD_MEDIA_SOURCE;
+       if (strncmp(cmd, "c", 1) == 0) {
+               _webrtc_create(0);
 
-               } else if (strncmp(cmd, "r", 1) == 0) {
-                       g_menu_state = CURRENT_STATUS_REMOVE_MEDIA_SOURCE;
+       } else if (strncmp(cmd, "a", 1) == 0) {
+               g_menu_state = CURRENT_STATUS_ADD_MEDIA_SOURCE;
 
-               } else if (strncmp(cmd, "p", 1) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_PAUSE;
+       } else if (strncmp(cmd, "r", 1) == 0) {
+               g_menu_state = CURRENT_STATUS_REMOVE_MEDIA_SOURCE;
 
-               } else if (strncmp(cmd, "o", 1) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_PAUSE;
+       } else if (strncmp(cmd, "p", 1) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_PAUSE;
 
-               } else if (strncmp(cmd, "v", 1) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_VIDEO_RESOLUTION;
+       } else if (strncmp(cmd, "o", 1) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_PAUSE;
 
-               } else if (strncmp(cmd, "l", 1) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_VIDEO_RESOLUTION;
+       } else if (strncmp(cmd, "v", 1) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_VIDEO_RESOLUTION;
 
-               } else if (strncmp(cmd, "f", 1) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_VIDEO_FRAMERATE;
+       } else if (strncmp(cmd, "l", 1) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_VIDEO_RESOLUTION;
 
-               } else if (strncmp(cmd, "m", 1) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_VIDEO_FRAMERATE;
+       } else if (strncmp(cmd, "f", 1) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_VIDEO_FRAMERATE;
 
-               } else if (strncmp(cmd, "s", 1) == 0) {
-                       _webrtc_start(0);
+       } else if (strncmp(cmd, "m", 1) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_VIDEO_FRAMERATE;
 
-               } else if (strncmp(cmd, "t", 1) == 0) {
-                       _webrtc_stop(0);
+       } else if (strncmp(cmd, "s", 1) == 0) {
+               _webrtc_start(0);
 
-               } else if (strncmp(cmd, "d", 1) == 0) {
-                       _webrtc_destroy(0);
+       } else if (strncmp(cmd, "t", 1) == 0) {
+               _webrtc_stop(0);
 
-               } else if (strncmp(cmd, "g", 1) == 0) {
-                       _webrtc_get_state(0);
+       } else if (strncmp(cmd, "d", 1) == 0) {
+               _webrtc_destroy(0);
 
-               } else if (strncmp(cmd, "q", 1) == 0) {
-                       quit_program();
+       } else if (strncmp(cmd, "g", 1) == 0) {
+               _webrtc_get_state(0);
 
-               } else {
-                       g_print("unknown menu \n");
-               }
+       } else if (strncmp(cmd, "q", 1) == 0) {
+               quit_program();
 
-       } else if (len == 2) {
-               if (strncmp(cmd, "sf", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_PACKET_SOURCE_SET_FORMAT;
+       } else {
+               g_print("%s() > unknown menu[%s]\n", __FUNCTION__, cmd);
+       }
+}
 
-               } else if (strncmp(cmd, "td", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_TRANSCEIVER_DIRECTION;
+static void change_menu_state_2(char *cmd)
+{
+       if (!cmd)
+               return;
 
-               } else if (strncmp(cmd, "gd", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_TRANSCEIVER_DIRECTION;
+       if (strncmp(cmd, "sf", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_PACKET_SOURCE_SET_FORMAT;
 
-               } else if (strncmp(cmd, "mu", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_MUTE;
+       } else if (strncmp(cmd, "td", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_TRANSCEIVER_DIRECTION;
 
-               } else if (strncmp(cmd, "mg", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_MUTE;
+       } else if (strncmp(cmd, "gd", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_TRANSCEIVER_DIRECTION;
 
-               } else if (strncmp(cmd, "dt", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_DISPLAY_TYPE;
+       } else if (strncmp(cmd, "mu", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_MUTE;
 
-               } else if (strncmp(cmd, "dm", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_DISPLAY_MODE;
+       } else if (strncmp(cmd, "mg", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_MUTE;
 
-               } else if (strncmp(cmd, "gm", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_GET_DISPLAY_MODE;
+       } else if (strncmp(cmd, "dt", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_DISPLAY_TYPE;
 
-               } else if (strncmp(cmd, "dv", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_DISPLAY_VISIBLE;
+       } else if (strncmp(cmd, "dm", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_DISPLAY_MODE;
 
-               } else if (strncmp(cmd, "gv", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_GET_DISPLAY_VISIBLE;
+       } else if (strncmp(cmd, "gm", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_GET_DISPLAY_MODE;
 
-               } else if (strncmp(cmd, "al", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_AUDIO_LOOPBACK;
+       } else if (strncmp(cmd, "dv", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_DISPLAY_VISIBLE;
 
-               } else if (strncmp(cmd, "vl", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_VIDEO_LOOPBACK;
+       } else if (strncmp(cmd, "gv", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_GET_DISPLAY_VISIBLE;
 
-               } else if (strncmp(cmd, "cd", 2) == 0) {
-                       _webrtc_create_data_channel(0);
+       } else if (strncmp(cmd, "al", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_AUDIO_LOOPBACK;
 
-               } else if (strncmp(cmd, "dd", 2) == 0) {
-                       _webrtc_destroy_data_channel(0);
+       } else if (strncmp(cmd, "vl", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_VIDEO_LOOPBACK;
 
-               } else if (strncmp(cmd, "dl", 2) == 0) {
-                       _webrtc_data_channel_get_label(0);
+       } else if (strncmp(cmd, "cd", 2) == 0) {
+               _webrtc_create_data_channel(0);
 
-               } else if (strncmp(cmd, "sz", 2) == 0) {
-                       _webrtc_set_data_channel_cb(0);
+       } else if (strncmp(cmd, "dd", 2) == 0) {
+               _webrtc_destroy_data_channel(0);
 
-               } else if (strncmp(cmd, "uz", 2) == 0) {
-                       _webrtc_unset_data_channel_cb(0);
+       } else if (strncmp(cmd, "dl", 2) == 0) {
+               _webrtc_data_channel_get_label(0);
 
-               } else if (strncmp(cmd, "zs", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_DATA_CHANNEL_SEND_STRING;
+       } else if (strncmp(cmd, "sz", 2) == 0) {
+               _webrtc_set_data_channel_cb(0);
 
-               } else if (strncmp(cmd, "zb", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_DATA_CHANNEL_SEND_STRING_AS_BYTES;
+       } else if (strncmp(cmd, "uz", 2) == 0) {
+               _webrtc_unset_data_channel_cb(0);
 
-               } else if (strncmp(cmd, "zf", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_DATA_CHANNEL_SEND_FILE;
+       } else if (strncmp(cmd, "zs", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_DATA_CHANNEL_SEND_STRING;
 
-               } else if (strncmp(cmd, "ba", 2) == 0) {
-                       _webrtc_data_channel_get_buffered_amount(0);
+       } else if (strncmp(cmd, "zb", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_DATA_CHANNEL_SEND_STRING_AS_BYTES;
 
-               } else if (strncmp(cmd, "se", 2) == 0) {
-                       _webrtc_set_error_cb(0);
+       } else if (strncmp(cmd, "zf", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_DATA_CHANNEL_SEND_FILE;
 
-               } else if (strncmp(cmd, "ue", 2) == 0) {
-                       _webrtc_unset_error_cb(0);
+       } else if (strncmp(cmd, "ba", 2) == 0) {
+               _webrtc_data_channel_get_buffered_amount(0);
 
-               } else if (strncmp(cmd, "sc", 2) == 0) {
-                       _webrtc_set_state_changed_cb(0);
+       } else if (strncmp(cmd, "se", 2) == 0) {
+               _webrtc_set_error_cb(0);
 
-               } else if (strncmp(cmd, "us", 2) == 0) {
-                       _webrtc_unset_state_changed_cb(0);
+       } else if (strncmp(cmd, "ue", 2) == 0) {
+               _webrtc_unset_error_cb(0);
 
-               } else if (strncmp(cmd, "sn", 2) == 0) {
-                       _webrtc_set_negotiation_needed_cb(0);
+       } else if (strncmp(cmd, "sc", 2) == 0) {
+               _webrtc_set_state_changed_cb(0);
 
-               } else if (strncmp(cmd, "un", 2) == 0) {
-                       _webrtc_unset_negotiation_needed_cb(0);
+       } else if (strncmp(cmd, "us", 2) == 0) {
+               _webrtc_unset_state_changed_cb(0);
 
-               } else if (strncmp(cmd, "si", 2) == 0) {
-                       _webrtc_set_ice_candidate_cb(0);
+       } else if (strncmp(cmd, "sn", 2) == 0) {
+               _webrtc_set_negotiation_needed_cb(0);
 
-               } else if (strncmp(cmd, "ui", 2) == 0) {
-                       _webrtc_unset_ice_candidate_cb(0);
+       } else if (strncmp(cmd, "un", 2) == 0) {
+               _webrtc_unset_negotiation_needed_cb(0);
 
-               } else if (strncmp(cmd, "sk", 2) == 0) {
-                       _webrtc_set_track_added_cb(0);
+       } else if (strncmp(cmd, "si", 2) == 0) {
+               _webrtc_set_ice_candidate_cb(0);
 
-               } else if (strncmp(cmd, "uk", 2) == 0) {
-                       _webrtc_unset_track_added_cb(0);
+       } else if (strncmp(cmd, "ui", 2) == 0) {
+               _webrtc_unset_ice_candidate_cb(0);
 
-               } else if (strncmp(cmd, "sa", 2) == 0) {
-                       _webrtc_set_encoded_audio_frame_cb(0);
+       } else if (strncmp(cmd, "sk", 2) == 0) {
+               _webrtc_set_track_added_cb(0);
 
-               } else if (strncmp(cmd, "ua", 2) == 0) {
-                       _webrtc_unset_encoded_audio_frame_cb(0);
+       } else if (strncmp(cmd, "uk", 2) == 0) {
+               _webrtc_unset_track_added_cb(0);
 
-               } else if (strncmp(cmd, "sv", 2) == 0) {
-                       _webrtc_set_encoded_video_frame_cb(0);
+       } else if (strncmp(cmd, "sa", 2) == 0) {
+               _webrtc_set_encoded_audio_frame_cb(0);
 
-               } else if (strncmp(cmd, "uv", 2) == 0) {
-                       _webrtc_unset_encoded_video_frame_cb(0);
+       } else if (strncmp(cmd, "ua", 2) == 0) {
+               _webrtc_unset_encoded_audio_frame_cb(0);
 
-               } else if (strncmp(cmd, "sm", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_PACKET_SOURCE_SET_BUFFER_STATE_CHANGED_CB;
+       } else if (strncmp(cmd, "sv", 2) == 0) {
+               _webrtc_set_encoded_video_frame_cb(0);
 
-               } else if (strncmp(cmd, "um", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_PACKET_SOURCE_UNSET_BUFFER_STATE_CHANGED_CB;
+       } else if (strncmp(cmd, "uv", 2) == 0) {
+               _webrtc_unset_encoded_video_frame_cb(0);
 
-               } else if (strncmp(cmd, "co", 2) == 0) {
-                       _webrtc_create_offer(&g_conns[0], false);
+       } else if (strncmp(cmd, "sm", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_PACKET_SOURCE_SET_BUFFER_STATE_CHANGED_CB;
 
-               } else if (strncmp(cmd, "ca", 2) == 0) {
-                       _webrtc_create_answer(&g_conns[0], false);
+       } else if (strncmp(cmd, "um", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_PACKET_SOURCE_UNSET_BUFFER_STATE_CHANGED_CB;
 
-               } else if (strncmp(cmd, "sl", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_LOCAL_DESCRIPTION;
+       } else if (strncmp(cmd, "co", 2) == 0) {
+               _webrtc_create_offer(&g_conns[0], false);
 
-               } else if (strncmp(cmd, "sr", 2) == 0) {
-                       _webrtc_set_remote_description(&g_conns[0]);
+       } else if (strncmp(cmd, "ca", 2) == 0) {
+               _webrtc_create_answer(&g_conns[0], false);
 
-               } else if (strncmp(cmd, "st", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_STUN_SERVER;
+       } else if (strncmp(cmd, "sl", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_LOCAL_DESCRIPTION;
 
-               } else if (strncmp(cmd, "gt", 2) == 0) {
-                       _webrtc_get_stun_server(0);
+       } else if (strncmp(cmd, "sr", 2) == 0) {
+               _webrtc_set_remote_description(&g_conns[0]);
 
-               } else if (strncmp(cmd, "su", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_ADD_TURN_SERVER;
+       } else if (strncmp(cmd, "st", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_STUN_SERVER;
 
-               } else if (strncmp(cmd, "gu", 2) == 0) {
-                       _webrtc_get_turn_servers(0);
+       } else if (strncmp(cmd, "gt", 2) == 0) {
+               _webrtc_get_stun_server(0);
 
-               } else if (strncmp(cmd, "ss", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SETTING_SIGNALING_SERVER;
+       } else if (strncmp(cmd, "su", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_ADD_TURN_SERVER;
 
-               } else if (strncmp(cmd, "px", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SETTING_PROXY;
+       } else if (strncmp(cmd, "gu", 2) == 0) {
+               _webrtc_get_turn_servers(0);
 
-               } else if (strncmp(cmd, "cs", 2) == 0) {
-                       _connect_signaling_server();
+       } else if (strncmp(cmd, "ss", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SETTING_SIGNALING_SERVER;
 
-               } else if (strncmp(cmd, "rs", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_REQUEST_SESSION;
+       } else if (strncmp(cmd, "px", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SETTING_PROXY;
 
-               } else if (strncmp(cmd, "rj", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_REQUEST_JOIN_ROOM;
+       } else if (strncmp(cmd, "cs", 2) == 0) {
+               _connect_signaling_server();
 
-               } else if (strncmp(cmd, "sd", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SEND_LOCAL_DESCRIPTION;
+       } else if (strncmp(cmd, "rs", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_REQUEST_SESSION;
 
-               } else if (strncmp(cmd, "sp", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_START_PUSHING_PACKET_TO_MEDIA_PACKET_SOURCE;
+       } else if (strncmp(cmd, "rj", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_REQUEST_JOIN_ROOM;
 
-               } else if (strncmp(cmd, "tp", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_STOP_PUSHING_PACKET_TO_MEDIA_PACKET_SOURCE;
+       } else if (strncmp(cmd, "sd", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SEND_LOCAL_DESCRIPTION;
 
-               } else if (strncmp(cmd, "pa", 2) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_MEDIA_PATH_TO_MEDIA_FILE_SOURCE;
+       } else if (strncmp(cmd, "sp", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_START_PUSHING_PACKET_TO_MEDIA_PACKET_SOURCE;
 
-               } else if (strncmp(cmd, "ac", 2) == 0) {
-                       _webrtc_add_ice_candidate(&g_conns[0], NULL);
+       } else if (strncmp(cmd, "tp", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_STOP_PUSHING_PACKET_TO_MEDIA_PACKET_SOURCE;
 
-               } else {
-                       g_print("unknown menu \n");
-               }
+       } else if (strncmp(cmd, "pa", 2) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_MEDIA_PATH_TO_MEDIA_FILE_SOURCE;
 
-       } else if (len == 3) {
-               if (strncmp(cmd, "ual", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_UNSET_AUDIO_LOOPBACK;
+       } else if (strncmp(cmd, "ac", 2) == 0) {
+               _webrtc_add_ice_candidate(&g_conns[0], NULL);
 
-               } else if (strncmp(cmd, "uvl", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_UNSET_VIDEO_LOOPBACK;
+       } else {
+               g_print("%s() > unknown menu[%s]\n", __FUNCTION__, cmd);
+       }
+}
+
+static void change_menu_state_3(char *cmd)
+{
+       if (!cmd)
+               return;
 
-               } else if (strncmp(cmd, "sac", 3) == 0) {
-                       int i;
+       if (strncmp(cmd, "ual", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_UNSET_AUDIO_LOOPBACK;
 
-                       _webrtc_set_error_cb(0);
-                       _webrtc_set_state_changed_cb(0);
-                       _webrtc_set_negotiation_needed_cb(0);
-                       _webrtc_set_ice_candidate_cb(0);
-                       _webrtc_set_track_added_cb(0);
-                       _webrtc_set_data_channel_cb(0);
-                       _webrtc_set_all_negotiation_state_change_cbs(0);
+       } else if (strncmp(cmd, "uvl", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_UNSET_VIDEO_LOOPBACK;
 
-                       for (i = 0; i < MAX_MEDIA_PACKET_SOURCE_LEN; i++) {
-                               if (g_conns[0].packet_sources[i].source_id > 0)
-                                       _webrtc_media_packet_source_set_buffer_state_changed_cb(0, g_conns[0].packet_sources[i].source_id);
-                       }
+       } else if (strncmp(cmd, "sac", 3) == 0) {
+               int i;
 
-               } else if (strncmp(cmd, "san", 3) == 0) {
-                       _webrtc_set_all_negotiation_state_change_cbs(0);
+               _webrtc_set_error_cb(0);
+               _webrtc_set_state_changed_cb(0);
+               _webrtc_set_negotiation_needed_cb(0);
+               _webrtc_set_ice_candidate_cb(0);
+               _webrtc_set_track_added_cb(0);
+               _webrtc_set_data_channel_cb(0);
+               _webrtc_set_all_negotiation_state_change_cbs(0);
 
-               } else if (strncmp(cmd, "uan", 3) == 0) {
-                       _webrtc_unset_all_negotiation_state_change_cbs(0);
+               for (i = 0; i < MAX_MEDIA_PACKET_SOURCE_LEN; i++) {
+                       if (g_conns[0].packet_sources[i].source_id > 0)
+                               _webrtc_media_packet_source_set_buffer_state_changed_cb(0, g_conns[0].packet_sources[i].source_id);
+               }
 
-               } else if (strncmp(cmd, "gan", 3) == 0) {
-                       _webrtc_get_all_negotiation_states(0);
+       } else if (strncmp(cmd, "san", 3) == 0) {
+               _webrtc_set_all_negotiation_state_change_cbs(0);
 
-               } else if (strncmp(cmd, "coa", 3) == 0) {
-                       _webrtc_create_offer(&g_conns[0], true);
+       } else if (strncmp(cmd, "uan", 3) == 0) {
+               _webrtc_unset_all_negotiation_state_change_cbs(0);
 
-               } else if (strncmp(cmd, "caa", 3) == 0) {
-                       _webrtc_create_answer(&g_conns[0], true);
+       } else if (strncmp(cmd, "gan", 3) == 0) {
+               _webrtc_get_all_negotiation_states(0);
 
-               } else if (strncmp(cmd, "sbp", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_BUNDLE_POLICY;
+       } else if (strncmp(cmd, "coa", 3) == 0) {
+               _webrtc_create_offer(&g_conns[0], true);
 
-               } else if (strncmp(cmd, "gbp", 3) == 0) {
-                       _webrtc_get_bundle_policy(0);
+       } else if (strncmp(cmd, "caa", 3) == 0) {
+               _webrtc_create_answer(&g_conns[0], true);
 
-               } else if (strncmp(cmd, "stp", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_ICE_TRANSPORT_POLICY;
+       } else if (strncmp(cmd, "sbp", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_BUNDLE_POLICY;
 
-               } else if (strncmp(cmd, "gtp", 3) == 0) {
-                       _webrtc_get_ice_transport_policy(0);
+       } else if (strncmp(cmd, "gbp", 3) == 0) {
+               _webrtc_get_bundle_policy(0);
 
-               } else if (strncmp(cmd, "sdp", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_RTP_PACKET_DROP_PROBABILITY;
+       } else if (strncmp(cmd, "stp", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_ICE_TRANSPORT_POLICY;
 
-               } else if (strncmp(cmd, "gdp", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_GET_RTP_PACKET_DROP_PROBABILITY;
+       } else if (strncmp(cmd, "gtp", 3) == 0) {
+               _webrtc_get_ice_transport_policy(0);
 
-               } else if (strncmp(cmd, "ssc", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_CREATE_PRIVATE_SIGNALING_SERVER;
+       } else if (strncmp(cmd, "sdp", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_RTP_PACKET_DROP_PROBABILITY;
 
-               } else if (strncmp(cmd, "ssd", 3) == 0) {
-                       _webrtc_signaling_server_destroy();
+       } else if (strncmp(cmd, "gdp", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_GET_RTP_PACKET_DROP_PROBABILITY;
 
-               } else if (strncmp(cmd, "sss", 3) == 0) {
-                       _webrtc_signaling_server_start();
+       } else if (strncmp(cmd, "ssc", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_CREATE_PRIVATE_SIGNALING_SERVER;
 
-               } else if (strncmp(cmd, "sst", 3) == 0) {
-                       _webrtc_signaling_server_stop();
+       } else if (strncmp(cmd, "ssd", 3) == 0) {
+               _webrtc_signaling_server_destroy();
 
-               } else if (strncmp(cmd, "scc", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_CONNECT_TO_PRIVATE_SIGNALING_SERVER;
+       } else if (strncmp(cmd, "sss", 3) == 0) {
+               _webrtc_signaling_server_start();
 
-               } else if (strncmp(cmd, "scd", 3) == 0) {
-                       _webrtc_signaling_disconnect();
+       } else if (strncmp(cmd, "sst", 3) == 0) {
+               _webrtc_signaling_server_stop();
 
-               } else if (strncmp(cmd, "scs", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_SET_CROP_SCREEN_SOURCE;
+       } else if (strncmp(cmd, "scc", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_CONNECT_TO_PRIVATE_SIGNALING_SERVER;
 
-               } else if (strncmp(cmd, "ucs", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_UNSET_CROP_SCREEN_SOURCE;
+       } else if (strncmp(cmd, "scd", 3) == 0) {
+               _webrtc_signaling_disconnect();
 
-               } else if (strncmp(cmd, "sfl", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_FILE_LOOPING;
+       } else if (strncmp(cmd, "scs", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_SET_CROP_SCREEN_SOURCE;
 
-               } else if (strncmp(cmd, "gfl", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_FILE_LOOPING;
+       } else if (strncmp(cmd, "ucs", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_UNSET_CROP_SCREEN_SOURCE;
 
-               } else if (strncmp(cmd, "sbc", 3) == 0) {
-                       g_menu_state = CURRENT_STATUS_DATA_CHANNEL_SET_BUFFERED_AMOUNT_LOW_CB;
+       } else if (strncmp(cmd, "sfl", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_SET_FILE_LOOPING;
 
-               } else if (strncmp(cmd, "gbt", 3) == 0) {
-                       _webrtc_data_channel_get_buffered_amount_low_threshold(0);
+       } else if (strncmp(cmd, "gfl", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_MEDIA_SOURCE_GET_FILE_LOOPING;
 
-               } else if (strncmp(cmd, "ubc", 3) == 0) {
-                       _webrtc_data_channel_unset_buffered_amount_low_cb(0);
+       } else if (strncmp(cmd, "sbc", 3) == 0) {
+               g_menu_state = CURRENT_STATUS_DATA_CHANNEL_SET_BUFFERED_AMOUNT_LOW_CB;
 
-               } else if (strncmp(cmd, "sts", 3) == 0) {
-                       _webrtc_foreach_stats(0);
+       } else if (strncmp(cmd, "gbt", 3) == 0) {
+               _webrtc_data_channel_get_buffered_amount_low_threshold(0);
 
-               } else {
-                       g_print("unknown menu \n");
-               }
+       } else if (strncmp(cmd, "ubc", 3) == 0) {
+               _webrtc_data_channel_unset_buffered_amount_low_cb(0);
+
+       } else if (strncmp(cmd, "sts", 3) == 0) {
+               _webrtc_foreach_stats(0);
 
        } else {
-               g_print("unknown menu \n");
+               g_print("%s() > unknown menu[%s]\n", __FUNCTION__, cmd);
+       }
+}
+
+static void interpret_main_menu_cmd(char *cmd)
+{
+       int len;
+
+       if (!cmd)
+               return;
+
+       len = strlen(cmd);
+
+       switch (len) {
+       case 0:
+               /* '\0' case */
+               break;
+       case 1:
+               change_menu_state_1(cmd);
+               break;
+       case 2:
+               change_menu_state_2(cmd);
+               break;
+       case 3:
+               change_menu_state_3(cmd);
+               break;
+       default:
+               g_print("%s() > unknown menu[%s]\n", __FUNCTION__, cmd);
+               break;
        }
 }
 
@@ -4957,9 +4992,12 @@ static void interpret(char *cmd)
 {
        int value;
 
+       if (!cmd)
+               return;
+
        switch (g_menu_state) {
        case CURRENT_STATUS_MAINMENU:
-               _interpret_main_menu(cmd);
+               interpret_main_menu_cmd(cmd);
                break;
        case CURRENT_STATUS_ADD_MEDIA_SOURCE: {
                value = atoi(cmd);