Merge branch 'feature/support_ice_transport_policy' into 'main'

Add ICE transport policy configuration

See merge request adf/esp-webrtc-solution!6

Author: TempoTian

components/esp_webrtc/impl/peer_default/libs/esp32/libpeer_default.a

@@ -85,6 +85,14 @@ typedef enum {
     /*!< Send and receive both */
 } esp_peer_media_dir_t;
 
+/**
+ * @brief  ICE transport policy
+ */
+typedef enum {
+    ESP_PEER_ICE_TRANS_POLICY_ALL   = 0, /*!< All ICE candidates will be used for pairing */
+    ESP_PEER_ICE_TRANS_POLICY_RELAY = 1, /*!< Only relay ICE candidates will be used for pairing */
+} esp_peer_ice_trans_policy_t;
+
 /**
  * @brief  Video stream information
  */
@@ -161,6 +169,7 @@ typedef struct {
     esp_peer_ice_server_cfg_t   *server_lists;        /*< ICE server list */
     uint8_t                      server_num;          /*!< Number of ICE server */
     esp_peer_role_t              role;                /*!< Peer role */
+    esp_peer_ice_trans_policy_t  ice_trans_policy;    /*!< ICE transport policy */
     esp_peer_audio_stream_info_t audio_info;          /*!< Audio stream information */
     esp_peer_video_stream_info_t video_info;          /*!< Video stream information */
     esp_peer_media_dir_t         audio_dir;           /*!< Audio transmission direction */

components/esp_webrtc/impl/peer_default/libs/esp32p4/libpeer_default.a

@@ -50,6 +50,7 @@ typedef enum {
 typedef struct {
     esp_peer_ice_server_cfg_t   *server_lists;            /*!< STUN/Relay server URL lists, can be NULL when get from signaling */
     uint8_t                      server_num;              /*!< Number of STUN/Relay server URL */
+    esp_peer_ice_trans_policy_t  ice_trans_policy;        /*!< ICE transport policy */
     esp_peer_audio_stream_info_t audio_info;              /*!< Audio stream information for send */
     esp_peer_video_stream_info_t video_info;              /*!< Video stream information for send */
     esp_peer_media_dir_t         audio_dir;               /*!< Audio transmission direction */

components/esp_webrtc/impl/peer_default/libs/esp32s2/libpeer_default.a

@@ -494,6 +494,7 @@ static int pc_start(webrtc_t *rtc, esp_peer_ice_server_cfg_t *server_info, int s
     esp_peer_cfg_t peer_cfg = {
         .server_lists = server_info,
         .server_num = server_num,
+        .ice_trans_policy = rtc->rtc_cfg.peer_cfg.ice_trans_policy,
         .audio_dir = rtc->rtc_cfg.peer_cfg.audio_dir,
         .video_dir = rtc->rtc_cfg.peer_cfg.video_dir,
         .enable_data_channel = rtc->rtc_cfg.peer_cfg.enable_data_channel,