A2DP: More clear log messages for both BTA and AVDT SCB handle

There were 2 types of handles for the stream control mapping between BTA
and AVDT, tBTA_AV_HNDL and for AvdtpScb respectively, and the stack used
them to communicate crossing layers. However, both of them were all
named *handle* in logs, and was not easy to read. This CL uses
bta_handle / bta_av_handle for tBTA_AV_HNDL and avdt_handle for
AvdtpScb, and raise the log level to be error if AVDT API failed.

Bug: 135655859
Bug: 145326274
Test: Logs changed only. Disconnecting / Reconnecting by A2DP manually
Change-Id: I780561ff4fbd3be0ed54376346fbdad3efb845ed
diff --git a/bta/av/bta_av_aact.cc b/bta/av/bta_av_aact.cc
index f7867d3..41bd5f8 100644
--- a/bta/av/bta_av_aact.cc
+++ b/bta/av/bta_av_aact.cc
@@ -250,7 +250,7 @@
   for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) {
     if (p_scb->seps[i].av_handle == tavdt_handle) return (p_scb->seps[i].tsep);
   }
-  APPL_TRACE_DEBUG("%s: handle %d not found", __func__, tavdt_handle)
+  APPL_TRACE_DEBUG("%s: avdt_handle %d not found", __func__, tavdt_handle)
   return AVDT_TSEP_INVALID;
 }
 
@@ -293,9 +293,9 @@
  *
  ******************************************************************************/
 static void notify_start_failed(tBTA_AV_SCB* p_scb) {
-  LOG_ERROR(LOG_TAG, "%s: peer %s role:0x%x channel:%d handle:0x%x", __func__,
-            p_scb->PeerAddress().ToString().c_str(), p_scb->role, p_scb->chnl,
-            p_scb->hndl);
+  LOG_ERROR(LOG_TAG, "%s: peer %s role:0x%x bta_channel:%d bta_handle:0x%x",
+            __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->role,
+            p_scb->chnl, p_scb->hndl);
   tBTA_AV_START start;
   /* if start failed, clear role */
   p_scb->role &= ~BTA_AV_ROLE_START_INT;
@@ -477,7 +477,8 @@
     p_msg->initiator = false;
     if (event == AVDT_SUSPEND_CFM_EVT) p_msg->initiator = true;
 
-    APPL_TRACE_VERBOSE("%s: hndl:0x%x", __func__, p_scb->hndl);
+    APPL_TRACE_VERBOSE("%s: bta_handle:0x%x avdt_handle:%d", __func__,
+                       p_scb->hndl, handle);
     p_msg->hdr.layer_specific = p_scb->hndl;
     p_msg->handle = handle;
     p_msg->avdt_event = event;
@@ -545,7 +546,7 @@
 
   tBTA_AV_SCB* p_scb = bta_av_hndl_to_scb(bta_av_cb.handle);
   if (p_scb == NULL) {
-    APPL_TRACE_ERROR("%s: no scb found for handle(0x%x)", __func__,
+    APPL_TRACE_ERROR("%s: no scb found for SDP handle(0x%x)", __func__,
                      bta_av_cb.handle);
     return;
   }
@@ -601,7 +602,7 @@
   APPL_TRACE_DEBUG("%s: codec: %s", __func__,
                    A2DP_CodecName(p_scb->cfg.codec_info));
   for (int i = 0; i < BTAV_A2DP_CODEC_INDEX_MAX; i++) {
-    APPL_TRACE_DEBUG("%s: av_handle: %d codec: %s", __func__,
+    APPL_TRACE_DEBUG("%s: avdt_handle: %d codec: %s", __func__,
                      p_scb->seps[i].av_handle,
                      A2DP_CodecName(p_scb->seps[i].codec_info));
     if (p_scb->seps[i].av_handle && (p_scb->seps[i].av_handle == avdt_handle) &&
@@ -751,7 +752,7 @@
  *
  ******************************************************************************/
 void bta_av_delay_co(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
-  APPL_TRACE_DEBUG("%s: peer %s handle:%d delay:%d", __func__,
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x delay:%d", __func__,
                    p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
                    p_data->str_msg.msg.delay_rpt_cmd.delay);
   p_scb->p_cos->delay(p_scb->hndl, p_scb->PeerAddress(),
@@ -976,7 +977,7 @@
   local_sep = bta_av_get_scb_sep_type(p_scb, p_msg->handle);
   p_scb->avdt_label = p_data->str_msg.msg.hdr.label;
 
-  APPL_TRACE_DEBUG("%s: peer %s handle:%d local_sep:%d", __func__,
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x local_sep:%d", __func__,
                    p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
                    local_sep);
   APPL_TRACE_DEBUG("%s: codec: %s", __func__,
@@ -1122,9 +1123,11 @@
   /* we like this codec_type. find the sep_idx */
   local_sep = bta_av_get_scb_sep_type(p_scb, avdt_handle);
   bta_av_adjust_seps_idx(p_scb, avdt_handle);
-  APPL_TRACE_DEBUG("%s: peer %s handle: sep_idx: %d cur_psc_mask:0x%x",
-                   __func__, p_scb->PeerAddress().ToString().c_str(),
-                   p_scb->sep_idx, p_scb->cur_psc_mask);
+  LOG_DEBUG(
+      LOG_TAG,
+      "%s: peer %s bta_handle=0x%x avdt_handle=%d sep_idx=%d cur_psc_mask:0x%x",
+      __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
+      p_scb->avdt_handle, p_scb->sep_idx, p_scb->cur_psc_mask);
 
   if ((AVDT_TSEP_SNK == local_sep) &&
       (p_data->ci_setconfig.err_code == AVDT_SUCCESS) &&
@@ -1204,7 +1207,7 @@
   tBTA_AV_CONN_CHG msg;
   uint8_t* p;
 
-  APPL_TRACE_DEBUG("%s: peer %s handle: %d", __func__,
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle: 0x%x", __func__,
                    p_scb->PeerAddress().ToString().c_str(), p_scb->hndl);
 
   msg.hdr.layer_specific = p_scb->hndl;
@@ -1439,7 +1442,7 @@
   /* our uuid in case we initiate connection */
   uint16_t uuid_int = p_scb->uuid_int;
 
-  APPL_TRACE_DEBUG("%s: peer %s handle: %d initiator UUID 0x%x", __func__,
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle: 0x%x initiator UUID 0x%x", __func__,
                    p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
                    uuid_int);
 
@@ -1495,7 +1498,7 @@
 void bta_av_disc_res_as_acp(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
   uint8_t num_snks = 0, i;
 
-  APPL_TRACE_DEBUG("%s: peer %s handle: %d", __func__,
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle: 0x%x", __func__,
                    p_scb->PeerAddress().ToString().c_str(), p_scb->hndl);
 
   /* store number of stream endpoints returned */
@@ -1546,9 +1549,9 @@
   bool getcap_done = false;
 
   APPL_TRACE_DEBUG(
-      "%s: peer %s handle:%d num_seps:%d sep_info_idx:%d wait:0x%x", __func__,
-      p_scb->PeerAddress().ToString().c_str(), p_scb->hndl, p_scb->num_seps,
-      p_scb->sep_info_idx, p_scb->wait);
+      "%s: peer %s bta_handle:0x%x num_seps:%d sep_info_idx:%d wait:0x%x",
+      __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
+      p_scb->num_seps, p_scb->sep_info_idx, p_scb->wait);
   APPL_TRACE_DEBUG("%s: codec: %s", __func__,
                    A2DP_CodecInfoString(p_scb->peer_cap.codec_info).c_str());
 
@@ -1613,7 +1616,7 @@
  *
  ******************************************************************************/
 void bta_av_cco_close(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
-  APPL_TRACE_DEBUG("%s: peer %s handle:%d", __func__,
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x", __func__,
                    p_scb->PeerAddress().ToString().c_str(), p_scb->hndl);
   p_scb->p_cos->close(p_scb->hndl, p_scb->PeerAddress());
 }
@@ -1668,7 +1671,7 @@
 
     APPL_TRACE_ERROR(
         "%s: there is already an active connection: peer_addr=%s chnl=%d "
-        "hndl=%d status=%d starting=%d edr=%d",
+        "hndl=0x%x status=%d starting=%d edr=%d",
         __func__, open.bd_addr.ToString().c_str(), open.chnl, open.hndl,
         open.status, open.starting, open.edr);
 
@@ -1701,9 +1704,9 @@
   memcpy(cfg.codec_info, p_scb->peer_cap.codec_info, AVDT_CODEC_SIZE);
   memcpy(cfg.protect_info, p_scb->peer_cap.protect_info, AVDT_PROTECT_SIZE);
 
-  APPL_TRACE_DEBUG("%s: peer %s handle:%d num_codec:%d psc_mask=0x%x", __func__,
-                   p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
-                   p_scb->peer_cap.num_codec, p_scb->cfg.psc_mask);
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x num_codec:%d psc_mask=0x%x",
+                   __func__, p_scb->PeerAddress().ToString().c_str(),
+                   p_scb->hndl, p_scb->peer_cap.num_codec, p_scb->cfg.psc_mask);
   APPL_TRACE_DEBUG("%s: media type 0x%x, 0x%x", __func__, media_type,
                    p_scb->media_type);
   APPL_TRACE_DEBUG("%s: codec: %s", __func__,
@@ -1733,12 +1736,14 @@
     else if (uuid_int == UUID_SERVCLASS_AUDIO_SINK)
       bta_av_adjust_seps_idx(p_scb,
                              bta_av_get_scb_handle(p_scb, AVDT_TSEP_SNK));
+    LOG_DEBUG(LOG_TAG, "%s: sep_idx=%d avdt_handle=%d bta_handle=0x%x",
+              __func__, p_scb->sep_idx, p_scb->avdt_handle, p_scb->hndl);
 
     /* use only the services peer supports */
     cfg.psc_mask &= p_scb->peer_cap.psc_mask;
     p_scb->cur_psc_mask = cfg.psc_mask;
     APPL_TRACE_DEBUG(
-        "%s: peer %s handle:%d sep_idx:%d sep_info_idx:%d "
+        "%s: peer %s bta_handle:0x%x sep_idx:%d sep_info_idx:%d "
         "cur_psc_mask:0x%x",
         __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
         p_scb->sep_idx, p_scb->sep_info_idx, p_scb->cur_psc_mask);
@@ -1781,7 +1786,8 @@
   uint8_t avdt_handle = p_data->ci_setconfig.avdt_handle;
 
   bta_av_adjust_seps_idx(p_scb, avdt_handle);
-  APPL_TRACE_DEBUG("%s: sep_idx: %d", __func__, p_scb->sep_idx);
+  LOG_DEBUG(LOG_TAG, "%s: sep_idx=%d avdt_handle=%d bta_handle=0x%x", __func__,
+            p_scb->sep_idx, p_scb->avdt_handle, p_scb->hndl);
   AVDT_ConfigRsp(p_scb->avdt_handle, p_scb->avdt_label, AVDT_ERR_UNSUP_CFG, 0);
 
   reject.bd_addr = p_data->str_msg.bd_addr;
@@ -1921,8 +1927,8 @@
   uint8_t set_policy = HCI_ENABLE_SNIFF_MODE;
 
   APPL_TRACE_ERROR(
-      "%s: peer %s handle:%d audio_open_cnt:%d, p_data %p start:%d", __func__,
-      p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
+      "%s: peer %s bta_handle:0x%x audio_open_cnt:%d, p_data %p start:%d",
+      __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
       bta_av_cb.audio_open_cnt, p_data, start);
 
   bta_sys_idle(BTA_ID_AV, bta_av_cb.audio_open_cnt, p_scb->PeerAddress());
@@ -2231,7 +2237,8 @@
   uint8_t cur_role;
   uint8_t local_tsep = p_scb->seps[p_scb->sep_idx].tsep;
 
-  LOG_INFO(LOG_TAG, "%s: peer %s handle:%d wait:0x%x role:0x%x local_tsep:%d",
+  LOG_INFO(LOG_TAG,
+           "%s: peer %s bta_handle:0x%x wait:0x%x role:0x%x local_tsep:%d",
            __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
            p_scb->wait, p_scb->role, local_tsep);
 
@@ -2261,7 +2268,7 @@
   if (p_scb->wait & BTA_AV_WAIT_ROLE_SW_FAILED) {
     /* role switch has failed */
     APPL_TRACE_ERROR(
-        "%s: peer %s role switch failed: handle:%d wait:0x%x, role:0x%x",
+        "%s: peer %s role switch failed: bta_handle:0x%x wait:0x%x, role:0x%x",
         __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
         p_scb->wait, p_scb->role);
     p_scb->wait &= ~BTA_AV_WAIT_ROLE_SW_FAILED;
@@ -2421,7 +2428,7 @@
   uint8_t set_policy = (HCI_ENABLE_SNIFF_MODE | HCI_ENABLE_MASTER_SLAVE_SWITCH);
 
   APPL_TRACE_ERROR(
-      "%s: peer %s handle:%d audio_open_cnt:%d started:%s co_started:%d",
+      "%s: peer %s bta_handle:0x%x audio_open_cnt:%d started:%s co_started:%d",
       __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
       bta_av_cb.audio_open_cnt, logbool(p_scb->started).c_str(),
       p_scb->co_started);
@@ -2450,9 +2457,9 @@
   uint8_t set_policy = HCI_ENABLE_SNIFF_MODE;
 
   APPL_TRACE_WARNING(
-      "%s: peer %s handle:%d open_status:%d chnl:%d co_started:%d", __func__,
-      p_scb->PeerAddress().ToString().c_str(), p_scb->hndl, p_scb->open_status,
-      p_scb->chnl, p_scb->co_started);
+      "%s: peer %s bta_handle:0x%x open_status:%d chnl:%d co_started:%d",
+      __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
+      p_scb->open_status, p_scb->chnl, p_scb->co_started);
 
   if ((bta_av_cb.features & BTA_AV_FEAT_MASTER) == 0 ||
       bta_av_cb.audio_open_cnt == 1) {
@@ -2531,7 +2538,7 @@
   uint8_t err_code = p_data->str_msg.msg.hdr.err_code;
   uint8_t set_policy = HCI_ENABLE_SNIFF_MODE;
 
-  APPL_TRACE_DEBUG("%s: peer %s handle:%d audio_open_cnt:%d err_code:%d",
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x audio_open_cnt:%d err_code:%d",
                    __func__, p_scb->PeerAddress().ToString().c_str(),
                    p_scb->hndl, bta_av_cb.audio_open_cnt, err_code);
 
@@ -2610,7 +2617,7 @@
  ******************************************************************************/
 void bta_av_rcfg_str_ok(tBTA_AV_SCB* p_scb, tBTA_AV_DATA* p_data) {
   p_scb->l2c_cid = AVDT_GetL2CapChannel(p_scb->avdt_handle);
-  APPL_TRACE_DEBUG("%s: peer %s handle:%d l2c_cid:%d", __func__,
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x l2c_cid:%d", __func__,
                    p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
                    p_scb->l2c_cid);
 
@@ -2857,7 +2864,7 @@
  *
  ******************************************************************************/
 void bta_av_rcfg_open(tBTA_AV_SCB* p_scb, UNUSED_ATTR tBTA_AV_DATA* p_data) {
-  APPL_TRACE_DEBUG("%s: peer %s handle:%d num_disc_snks:%d", __func__,
+  APPL_TRACE_DEBUG("%s: peer %s bta_handle:0x%x num_disc_snks:%d", __func__,
                    p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
                    p_scb->num_disc_snks);
 
@@ -2876,6 +2883,8 @@
     /* we may choose to use a different SEP at reconfig.
      * adjust the sep_idx now */
     bta_av_adjust_seps_idx(p_scb, bta_av_get_scb_handle(p_scb, AVDT_TSEP_SRC));
+    LOG_DEBUG(LOG_TAG, "%s: sep_idx=%d avdt_handle=%d bta_handle=0x%x",
+              __func__, p_scb->sep_idx, p_scb->avdt_handle, p_scb->hndl);
 
     /* open the stream with the new config */
     p_scb->sep_info_idx = p_scb->rcfg_idx;
diff --git a/bta/av/bta_av_api.cc b/bta/av/bta_av_api.cc
index bb5cca4..aed5b12 100644
--- a/bta/av/bta_av_api.cc
+++ b/bta/av/bta_av_api.cc
@@ -156,7 +156,8 @@
  ******************************************************************************/
 void BTA_AvOpen(const RawAddress& bd_addr, tBTA_AV_HNDL handle, bool use_rc,
                 tBTA_SEC sec_mask, uint16_t uuid) {
-  LOG_INFO(LOG_TAG, "%s: peer %s handle:0x%x use_rc=%s sec_mask=0x%x uuid=0x%x",
+  LOG_INFO(LOG_TAG,
+           "%s: peer %s bta_handle:0x%x use_rc=%s sec_mask=0x%x uuid=0x%x",
            __func__, bd_addr.ToString().c_str(), handle,
            (use_rc) ? "true" : "false", sec_mask, uuid);
 
@@ -184,7 +185,7 @@
  *
  ******************************************************************************/
 void BTA_AvClose(tBTA_AV_HNDL handle) {
-  LOG_INFO(LOG_TAG, "%s: handle:0x%x", __func__, handle);
+  LOG_INFO(LOG_TAG, "%s: bta_handle:0x%x", __func__, handle);
 
   BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
 
@@ -225,7 +226,7 @@
  *
  ******************************************************************************/
 void BTA_AvStart(tBTA_AV_HNDL handle) {
-  LOG_INFO(LOG_TAG, "%s: handle=%d", __func__, handle);
+  LOG_INFO(LOG_TAG, "%s: bta_handle=0x%x", __func__, handle);
 
   BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
 
@@ -245,7 +246,7 @@
  *
  ******************************************************************************/
 void BTA_AvOffloadStart(tBTA_AV_HNDL hndl) {
-  LOG_INFO(LOG_TAG, "%s: handle=%d", __func__, hndl);
+  LOG_INFO(LOG_TAG, "%s: bta_handle=0x%x", __func__, hndl);
 
   BT_HDR* p_buf = (BT_HDR*)osi_malloc(sizeof(BT_HDR));
 
@@ -287,7 +288,7 @@
  *
  ******************************************************************************/
 void BTA_AvStop(tBTA_AV_HNDL handle, bool suspend) {
-  LOG_INFO(LOG_TAG, "%s: handle=%d suspend=%s", __func__, handle,
+  LOG_INFO(LOG_TAG, "%s: bta_handle=0x%x suspend=%s", __func__, handle,
            logbool(suspend).c_str());
 
   tBTA_AV_API_STOP* p_buf =
@@ -318,8 +319,8 @@
 void BTA_AvReconfig(tBTA_AV_HNDL hndl, bool suspend, uint8_t sep_info_idx,
                     uint8_t* p_codec_info, uint8_t num_protect,
                     const uint8_t* p_protect_info) {
-  LOG_INFO(LOG_TAG, "%s: handle=%d suspend=%s sep_info_idx=%d", __func__, hndl,
-           logbool(suspend).c_str(), sep_info_idx);
+  LOG_INFO(LOG_TAG, "%s: bta_handle=0x%x suspend=%s sep_info_idx=%d", __func__,
+           hndl, logbool(suspend).c_str(), sep_info_idx);
 
   tBTA_AV_API_RCFG* p_buf =
       (tBTA_AV_API_RCFG*)osi_malloc(sizeof(tBTA_AV_API_RCFG) + num_protect);
diff --git a/bta/av/bta_av_ci.cc b/bta/av/bta_av_ci.cc
index a3d552d..e92c8d6 100644
--- a/bta/av/bta_av_ci.cc
+++ b/bta/av/bta_av_ci.cc
@@ -71,7 +71,7 @@
                          uint8_t category, uint8_t num_seid, uint8_t* p_seid,
                          bool recfg_needed, uint8_t avdt_handle) {
   LOG_DEBUG(LOG_TAG,
-            "%s: bta_av_handle=%d err_code=%d category=%d "
+            "%s: bta_av_handle=0x%x err_code=%d category=%d "
             "num_seid=%d recfg_needed=%s avdt_handle=%d",
             __func__, bta_av_handle, err_code, category, num_seid,
             recfg_needed ? "true" : "false", avdt_handle);
diff --git a/bta/av/bta_av_main.cc b/bta/av/bta_av_main.cc
index e33635e..0256d1c 100644
--- a/bta/av/bta_av_main.cc
+++ b/bta/av/bta_av_main.cc
@@ -427,7 +427,7 @@
     p_msg->bd_addr = bd_addr;
     p_msg->scb_index = scb_index;
     if (p_scb) {
-      APPL_TRACE_DEBUG("%s: scb hndl x%x, role x%x", __func__, p_scb->hndl,
+      APPL_TRACE_DEBUG("%s: bta_handle x%x, role x%x", __func__, p_scb->hndl,
                        p_scb->role);
     }
     LOG_INFO(LOG_TAG, "%s: conn_cback bd_addr: %s", __func__,
@@ -910,8 +910,8 @@
       tBTA_AV_ROLE_RES* p_buf =
           (tBTA_AV_ROLE_RES*)osi_malloc(sizeof(tBTA_AV_ROLE_RES));
       APPL_TRACE_DEBUG(
-          "%s: peer %s found: new_role:%d, hci_status:0x%x hndl:0x%x", __func__,
-          peer_addr.ToString().c_str(), id, app_id, p_scb->hndl);
+          "%s: peer %s found: new_role:%d, hci_status:0x%x bta_handle:0x%x",
+          __func__, peer_addr.ToString().c_str(), id, app_id, p_scb->hndl);
       /*
       if ((id != BTM_ROLE_MASTER) && (app_id != HCI_SUCCESS))
       {
@@ -943,8 +943,8 @@
       p_scb = bta_av_cb.p_scb[bta_av_cb.rs_idx - 1];
     }
     if (p_scb && p_scb->q_tag == BTA_AV_Q_TAG_OPEN) {
-      APPL_TRACE_DEBUG("%s: peer %s rs_idx:%d, hndl:0x%x q_tag:%d", __func__,
-                       p_scb->PeerAddress().ToString().c_str(),
+      APPL_TRACE_DEBUG("%s: peer %s rs_idx:%d, bta_handle:0x%x q_tag:%d",
+                       __func__, p_scb->PeerAddress().ToString().c_str(),
                        bta_av_cb.rs_idx, p_scb->hndl, p_scb->q_tag);
 
       if (HCI_SUCCESS == app_id || HCI_ERR_NO_CONNECTION == app_id) {
@@ -1094,11 +1094,11 @@
   bool is_ok = true;
 
   if (BTM_GetRole(p_scb->PeerAddress(), &role) == BTM_SUCCESS) {
-    LOG_INFO(
-        LOG_TAG,
-        "%s: peer %s hndl:0x%x role:%d conn_audio:0x%x bits:%d features:0x%x",
-        __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl, role,
-        bta_av_cb.conn_audio, bits, bta_av_cb.features);
+    LOG_INFO(LOG_TAG,
+             "%s: peer %s bta_handle:0x%x role:%d conn_audio:0x%x bits:%d "
+             "features:0x%x",
+             __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl,
+             role, bta_av_cb.conn_audio, bits, bta_av_cb.features);
     if (BTM_ROLE_MASTER != role &&
         (A2DP_BitsSet(bta_av_cb.conn_audio) > bits ||
          (bta_av_cb.features & BTA_AV_FEAT_MASTER))) {
@@ -1226,7 +1226,7 @@
     /* state machine events */
     bta_av_sm_execute(&bta_av_cb, p_msg->event, (tBTA_AV_DATA*)p_msg);
   } else {
-    APPL_TRACE_VERBOSE("%s: handle=0x%x", __func__, p_msg->layer_specific);
+    APPL_TRACE_VERBOSE("%s: bta_handle=0x%x", __func__, p_msg->layer_specific);
     /* stream state machine events */
     bta_av_ssm_execute(bta_av_hndl_to_scb(p_msg->layer_specific), p_msg->event,
                        (tBTA_AV_DATA*)p_msg);
@@ -1354,6 +1354,10 @@
       return "AVDT_DELAY_RPT";
     case BTA_AV_ACP_CONNECT_EVT:
       return "ACP_CONNECT";
+    case BTA_AV_API_OFFLOAD_START_EVT:
+      return "OFFLOAD_START";
+    case BTA_AV_API_OFFLOAD_START_RSP_EVT:
+      return "OFFLOAD_START_RSP";
 
     case BTA_AV_API_ENABLE_EVT:
       return "API_ENABLE";
diff --git a/bta/av/bta_av_ssm.cc b/bta/av/bta_av_ssm.cc
index 80effa3..c9fc37e 100644
--- a/bta/av/bta_av_ssm.cc
+++ b/bta/av/bta_av_ssm.cc
@@ -486,22 +486,32 @@
     return;
   }
 
-  APPL_TRACE_VERBOSE(
-      "%s: peer %s AV event(0x%x)=0x%x(%s) state=%d(%s) p_scb=%p", __func__,
-      p_scb->PeerAddress().ToString().c_str(), p_scb->hndl, event,
-      bta_av_evt_code(event), p_scb->state, bta_av_sst_code(p_scb->state),
-      p_scb);
-
   /* look up the state table for the current state */
   tBTA_AV_SST_TBL state_table = bta_av_sst_tbl[p_scb->state];
 
   /* set next state */
+  auto new_state =
+      state_table[event - BTA_AV_FIRST_SSM_EVT][BTA_AV_SNEXT_STATE];
+  if (p_scb->state != new_state) {
+    APPL_TRACE_WARNING(
+        "%s: peer %s AV event(0x%x)=0x%x(%s) state=%d(%s) -> %d(%s) p_scb=%p",
+        __func__, p_scb->PeerAddress().ToString().c_str(), p_scb->hndl, event,
+        bta_av_evt_code(event), p_scb->state, bta_av_sst_code(p_scb->state),
+        new_state, bta_av_sst_code(new_state), p_scb);
+  } else {
+    APPL_TRACE_VERBOSE(
+        "%s: peer %s AV event(0x%x)=0x%x(%s) state=%d(%s) p_scb=%p", __func__,
+        p_scb->PeerAddress().ToString().c_str(), p_scb->hndl, event,
+        bta_av_evt_code(event), p_scb->state, bta_av_sst_code(p_scb->state),
+        p_scb);
+  }
   event -= BTA_AV_FIRST_SSM_EVT;
   p_scb->state = state_table[event][BTA_AV_SNEXT_STATE];
 
-  APPL_TRACE_VERBOSE("%s: peer %s AV next state=%d(%s) p_scb=%p", __func__,
-                     p_scb->PeerAddress().ToString().c_str(), p_scb->state,
-                     bta_av_sst_code(p_scb->state), p_scb);
+  APPL_TRACE_VERBOSE("%s: peer %s AV next state=%d(%s) p_scb=%p(0x%x)",
+                     __func__, p_scb->PeerAddress().ToString().c_str(),
+                     p_scb->state, bta_av_sst_code(p_scb->state), p_scb,
+                     p_scb->hndl);
 
   /* execute action functions */
   for (int i = 0; i < BTA_AV_SACTIONS; i++) {
diff --git a/btif/src/btif_av.cc b/btif/src/btif_av.cc
index 8ab336a..1795a9b 100644
--- a/btif/src/btif_av.cc
+++ b/btif/src/btif_av.cc
@@ -2379,10 +2379,11 @@
                                  tBTA_AV_HNDL bta_handle,
                                  const BtifAvEvent& btif_av_event) {
   BtifAvPeer* peer = nullptr;
-  BTIF_TRACE_EVENT("%s: peer_sep=%s (%d) peer_address=%s handle=0x%x event=%s",
-                   __func__, (peer_sep == AVDT_TSEP_SRC) ? "Source" : "Sink",
-                   peer_sep, peer_address.ToString().c_str(), bta_handle,
-                   btif_av_event.ToString().c_str());
+  BTIF_TRACE_EVENT(
+      "%s: peer_sep=%s (%d) peer_address=%s bta_handle=0x%x event=%s", __func__,
+      (peer_sep == AVDT_TSEP_SRC) ? "Source" : "Sink", peer_sep,
+      peer_address.ToString().c_str(), bta_handle,
+      btif_av_event.ToString().c_str());
 
   // Find the peer
   if (peer_address != RawAddress::kEmpty) {
@@ -2400,8 +2401,8 @@
   }
   if (peer == nullptr) {
     BTIF_TRACE_ERROR(
-        "%s: Cannot find or create %s peer for peer_address=%s handle=0x%x : "
-        "event dropped: %s",
+        "%s: Cannot find or create %s peer for peer_address=%s bta_handle=0x%x "
+        ": event dropped: %s",
         __func__, (peer_sep == AVDT_TSEP_SRC) ? "Source" : "Sink",
         peer_address.ToString().c_str(), bta_handle,
         btif_av_event.ToString().c_str());
@@ -2441,7 +2442,7 @@
       const tBTA_AV_REGISTER& registr = p_data->registr;
       bta_handle = registr.hndl;
       uint8_t peer_id = registr.app_id;  // The PeerId is used as AppId
-      BTIF_TRACE_DEBUG("%s: handle=0x%x app_id=%d", __func__, bta_handle,
+      BTIF_TRACE_DEBUG("%s: bta_handle=0x%x app_id=%d", __func__, bta_handle,
                        registr.app_id);
       if (peer_sep == AVDT_TSEP_SNK) {
         btif_av_source.BtaHandleRegistered(peer_id, bta_handle);
@@ -2539,7 +2540,7 @@
       break;
     }
   }
-  BTIF_TRACE_DEBUG("%s: peer_address=%s handle=0x%x", __func__,
+  BTIF_TRACE_DEBUG("%s: peer_address=%s bta_handle=0x%x", __func__,
                    peer_address.ToString().c_str(), bta_handle);
 
   btif_av_handle_event(peer_sep, peer_address, bta_handle, btif_av_event);
diff --git a/stack/avdt/avdt_api.cc b/stack/avdt/avdt_api.cc
index 9350c31..7447941 100644
--- a/stack/avdt/avdt_api.cc
+++ b/stack/avdt/avdt_api.cc
@@ -141,13 +141,14 @@
 }
 
 void AVDT_AbortReq(uint8_t handle) {
-  AVDT_TRACE_WARNING("%s: handle=%d", __func__, handle);
+  AVDT_TRACE_WARNING("%s: avdt_handle=%d", __func__, handle);
 
   AvdtpScb* p_scb = avdt_scb_by_hdl(handle);
   if (p_scb != NULL) {
     avdt_scb_event(p_scb, AVDT_SCB_API_ABORT_REQ_EVT, NULL);
   } else {
-    AVDT_TRACE_ERROR("%s Improper SCB, can not abort the stream", __func__);
+    AVDT_TRACE_ERROR("%s Improper avdp_handle=%d, can not abort the stream",
+                     __func__, handle);
   }
 }
 
@@ -187,8 +188,10 @@
     }
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d handle=%d scb_index=%d", __func__, result,
-                   *p_handle, avdtp_stream_config.scb_index);
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d peer_id=%d scb_index=%d", __func__, result,
+                     peer_id, avdtp_stream_config.scb_index);
+  }
 
   return result;
 }
@@ -211,7 +214,7 @@
   uint16_t result = AVDT_SUCCESS;
   AvdtpScb* p_scb;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d", __func__, handle);
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d", __func__, handle);
 
   /* look up scb */
   p_scb = avdt_scb_by_hdl(handle);
@@ -222,7 +225,9 @@
     avdt_scb_event(p_scb, AVDT_SCB_API_REMOVE_EVT, NULL);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d avdt_handle=%d", __func__, result, handle);
+  }
 
   return result;
 }
@@ -286,8 +291,10 @@
     }
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d address=%s", __func__, result,
+                     bd_addr.ToString().c_str());
+  }
   return result;
 }
 
@@ -337,8 +344,10 @@
     }
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d address=%s", __func__, result,
+                     bd_addr.ToString().c_str());
+  }
   return result;
 }
 
@@ -384,8 +393,10 @@
   getcap.p_cback = p_cback;
   result = avdt_get_cap_req(bd_addr, channel_index, &getcap);
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d address=%s", __func__, result,
+                     bd_addr.ToString().c_str());
+  }
   return result;
 }
 
@@ -405,8 +416,8 @@
   uint16_t result = AVDT_SUCCESS;
   tAVDT_SCB_EVT evt;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d ceid=%d delay=%d", __func__, handle, seid,
-                   delay);
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d seid=%d delay=%d", __func__, handle,
+                   seid, delay);
 
   /* map handle to scb */
   p_scb = avdt_scb_by_hdl(handle);
@@ -420,8 +431,10 @@
     avdt_scb_event(p_scb, AVDT_SCB_API_DELAY_RPT_REQ_EVT, &evt);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d avdt_handle=%d seid=%d", __func__, result,
+                     handle, seid);
+  }
   return result;
 }
 
@@ -447,7 +460,8 @@
   uint16_t result = AVDT_SUCCESS;
   tAVDT_SCB_EVT evt;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d seid=%d", __func__, handle, seid);
+  AVDT_TRACE_API("%s: address=%s avdt_handle=%d seid=%d", __func__,
+                 bd_addr.ToString().c_str(), handle, seid);
 
   /* verify SEID */
   if ((seid < AVDT_SEID_MIN) || (seid > AVDT_SEID_MAX)) {
@@ -482,10 +496,11 @@
     evt.msg.config_cmd.int_seid = handle;
     evt.msg.config_cmd.p_cfg = p_cfg;
     avdt_scb_event(p_scb, AVDT_SCB_API_SETCONFIG_REQ_EVT, &evt);
+  } else {
+    AVDT_TRACE_ERROR("%s: result=%d address=%s avdt_handle=%d", __func__,
+                     result, bd_addr.ToString().c_str(), handle);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
   return result;
 }
 
@@ -508,7 +523,7 @@
   uint16_t result = AVDT_SUCCESS;
   uint8_t event_code;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d label=%d error_code=0x%x category=%d",
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d label=%d error_code=0x%x category=%d",
                    __func__, handle, label, error_code, category);
 
   /* map handle to scb */
@@ -535,8 +550,9 @@
     avdt_scb_event(p_scb, event_code, &evt);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d avdt_handle=%d", __func__, result, handle);
+  }
   return result;
 }
 
@@ -587,8 +603,16 @@
     }
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    if ((num_handles == 0) || (num_handles > AVDT_NUM_SEPS)) {
+      AVDT_TRACE_ERROR("%s: result=%d num_handles=%d invalid", __func__, result,
+                       num_handles);
+    } else {
+      AVDT_TRACE_ERROR(
+          "%s: result=%d avdt_handle=%d", __func__, result,
+          (i < num_handles ? p_handles[i] : p_handles[num_handles - 1]));
+    }
+  }
   return result;
 }
 
@@ -639,8 +663,16 @@
     }
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    if ((num_handles == 0) || (num_handles > AVDT_NUM_SEPS)) {
+      AVDT_TRACE_ERROR("%s: result=%d num_handles=%d invalid", __func__, result,
+                       num_handles);
+    } else {
+      AVDT_TRACE_ERROR(
+          "%s: result=%d avdt_handle=%d", __func__, result,
+          (i < num_handles ? p_handles[i] : p_handles[num_handles - 1]));
+    }
+  }
   return result;
 }
 
@@ -662,7 +694,7 @@
   AvdtpScb* p_scb;
   uint16_t result = AVDT_SUCCESS;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d", __func__, handle);
+  AVDT_TRACE_API("%s: avdt_handle=%d", __func__, handle);
 
   /* map handle to scb */
   p_scb = avdt_scb_by_hdl(handle);
@@ -674,8 +706,9 @@
     avdt_scb_event(p_scb, AVDT_SCB_API_CLOSE_REQ_EVT, NULL);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d avdt_handle=%d", __func__, result, handle);
+  }
   return result;
 }
 
@@ -701,7 +734,7 @@
   uint16_t result = AVDT_SUCCESS;
   tAVDT_SCB_EVT evt;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d", __func__, handle);
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d", __func__, handle);
 
   /* map handle to scb */
   p_scb = avdt_scb_by_hdl(handle);
@@ -716,8 +749,9 @@
     avdt_scb_event(p_scb, AVDT_SCB_API_RECONFIG_REQ_EVT, &evt);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d avdt_handle=%d", __func__, result, handle);
+  }
   return result;
 }
 
@@ -739,7 +773,7 @@
   tAVDT_SCB_EVT evt;
   uint16_t result = AVDT_SUCCESS;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d label=%d error_code=0x%x category=%d",
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d label=%d error_code=0x%x category=%d",
                    __func__, handle, label, error_code, category);
 
   /* map handle to scb */
@@ -755,8 +789,9 @@
     avdt_scb_event(p_scb, AVDT_SCB_API_RECONFIG_RSP_EVT, &evt);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d avdt_handle=%d", __func__, result, handle);
+  }
   return result;
 }
 
@@ -779,7 +814,7 @@
   uint16_t result = AVDT_SUCCESS;
   tAVDT_SCB_EVT evt;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d len=%d", __func__, handle, len);
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d len=%d", __func__, handle, len);
 
   /* map handle to scb */
   p_scb = avdt_scb_by_hdl(handle);
@@ -793,8 +828,9 @@
     avdt_scb_event(p_scb, AVDT_SCB_API_SECURITY_REQ_EVT, &evt);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d avdt_handle=%d", __func__, result, handle);
+  }
   return result;
 }
 
@@ -818,8 +854,8 @@
   uint16_t result = AVDT_SUCCESS;
   tAVDT_SCB_EVT evt;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d label=%d error_code=0x%x len=%d", __func__,
-                   handle, label, error_code, len);
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d label=%d error_code=0x%x len=%d",
+                   __func__, handle, label, error_code, len);
 
   /* map handle to scb */
   p_scb = avdt_scb_by_hdl(handle);
@@ -835,8 +871,9 @@
     avdt_scb_event(p_scb, AVDT_SCB_API_SECURITY_RSP_EVT, &evt);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_ERROR("%s: result=%d avdt_handle=%d", __func__, result, handle);
+  }
   return result;
 }
 
@@ -883,8 +920,8 @@
   tAVDT_SCB_EVT evt;
   uint16_t result = AVDT_SUCCESS;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d timestamp=%d m_pt=0x%x opt=0x%x", __func__,
-                   handle, time_stamp, m_pt, opt);
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d timestamp=%d m_pt=0x%x opt=0x%x",
+                   __func__, handle, time_stamp, m_pt, opt);
 
   /* map handle to scb */
   p_scb = avdt_scb_by_hdl(handle);
@@ -898,8 +935,7 @@
     avdt_scb_event(p_scb, AVDT_SCB_API_WRITE_REQ_EVT, &evt);
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
-
+  AVDT_TRACE_DEBUG("%s: result=%d avdt_handle=%d", __func__, result, handle);
   return result;
 }
 
@@ -1024,11 +1060,11 @@
     /* send event to ccb */
     evt.disconnect.p_cback = p_cback;
     avdt_ccb_event(p_ccb, AVDT_CCB_API_DISCONNECT_REQ_EVT, &evt);
+  } else {
+    AVDT_TRACE_ERROR("%s: address=%s result=%d", __func__,
+                     bd_addr.ToString().c_str(), result);
   }
 
-  AVDT_TRACE_DEBUG("%s: address=%s result=%d", __func__,
-                   bd_addr.ToString().c_str(), result);
-
   return result;
 }
 
@@ -1109,7 +1145,7 @@
   uint32_t ssrc;
   uint16_t len;
 
-  AVDT_TRACE_DEBUG("%s: handle=%d type=%d", __func__, handle, type);
+  AVDT_TRACE_DEBUG("%s: avdt_handle=%d type=%d", __func__, handle, type);
 
   /* map handle to scb && verify parameters */
   if (((p_scb = avdt_scb_by_hdl(handle)) != NULL) && (p_scb->p_ccb != NULL) &&
@@ -1180,7 +1216,10 @@
     }
   }
 
-  AVDT_TRACE_DEBUG("%s: result=%d", __func__, result);
+  if (result != AVDT_SUCCESS) {
+    AVDT_TRACE_WARNING("%s: result=%d avdt_handle=%d", __func__, result,
+                       handle);
+  }
 
   return result;
 }
@@ -1252,7 +1291,7 @@
       dprintf(fd, "      SEP type: 0x%x\n", scb.stream_config.tsep);
       dprintf(fd, "      Media type: 0x%x\n", scb.stream_config.media_type);
       dprintf(fd, "      MTU: %d\n", scb.stream_config.mtu);
-      dprintf(fd, "      SCB handle: %d\n", scb.ScbHandle());
+      dprintf(fd, "      AVDT SCB handle: %d\n", scb.ScbHandle());
       dprintf(fd, "      SCB index: %d\n", scb.stream_config.scb_index);
       dprintf(fd, "      Configured codec: %s\n",
               A2DP_CodecName(scb.curr_cfg.codec_info));