upload android base code part6

android/system/bt/btif/include/btif_av.h

@@ -0,0 +1,192 @@
+/******************************************************************************
+ *
+ *  Copyright (C) 2009-2012 Broadcom Corporation
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at:
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ *
+ ******************************************************************************/
+
+/*******************************************************************************
+ *
+ *  Filename:      btif_av.h
+ *
+ *  Description:   Main API header file for all BTIF AV functions accessed
+ *                 from internal stack.
+ *
+ ******************************************************************************/
+
+#ifndef BTIF_AV_H
+#define BTIF_AV_H
+
+#include "bta_av_api.h"
+#include "btif_common.h"
+#include "btif_sm.h"
+
+/*******************************************************************************
+ *  Type definitions for callback functions
+ ******************************************************************************/
+
+typedef enum {
+  /* Reuse BTA_AV_XXX_EVT - No need to redefine them here */
+  BTIF_AV_CONNECT_REQ_EVT = BTA_AV_MAX_EVT,
+  BTIF_AV_DISCONNECT_REQ_EVT,
+  BTIF_AV_START_STREAM_REQ_EVT,
+  BTIF_AV_STOP_STREAM_REQ_EVT,
+  BTIF_AV_SUSPEND_STREAM_REQ_EVT,
+  BTIF_AV_SOURCE_CONFIG_REQ_EVT,
+  BTIF_AV_SOURCE_CONFIG_UPDATED_EVT,
+  BTIF_AV_SINK_CONFIG_REQ_EVT,
+  BTIF_AV_OFFLOAD_START_REQ_EVT,
+  BTIF_AV_CLEANUP_REQ_EVT,
+} btif_av_sm_event_t;
+
+/*******************************************************************************
+ *  BTIF AV API
+ ******************************************************************************/
+
+/*******************************************************************************
+ *
+ * Function         btif_av_get_addr
+ *
+ * Description      Fetches current AV BD address
+ *
+ * Returns          BD address
+ *
+ ******************************************************************************/
+
+RawAddress btif_av_get_addr(void);
+
+/*******************************************************************************
+ * Function         btif_av_is_sink_enabled
+ *
+ * Description      Checks if A2DP Sink is enabled or not
+ *
+ * Returns          true if A2DP Sink is enabled, false otherwise
+ *
+ ******************************************************************************/
+
+bool btif_av_is_sink_enabled(void);
+
+/*******************************************************************************
+ *
+ * Function         btif_av_stream_ready
+ *
+ * Description      Checks whether AV is ready for starting a stream
+ *
+ * Returns          None
+ *
+ ******************************************************************************/
+
+bool btif_av_stream_ready(void);
+
+/*******************************************************************************
+ *
+ * Function         btif_av_stream_started_ready
+ *
+ * Description      Checks whether AV ready for media start in streaming state
+ *
+ * Returns          None
+ *
+ ******************************************************************************/
+
+bool btif_av_stream_started_ready(void);
+
+/*******************************************************************************
+ *
+ * Function         btif_dispatch_sm_event
+ *
+ * Description      Send event to AV statemachine
+ *
+ * Returns          None
+ *
+ ******************************************************************************/
+
+/* used to pass events to AV statemachine from other tasks */
+void btif_dispatch_sm_event(btif_av_sm_event_t event, void* p_data, int len);
+
+/*******************************************************************************
+ *
+ * Function         btif_av_init
+ *
+ * Description      Initializes btif AV if not already done
+ *
+ * Returns          bt_status_t
+ *
+ ******************************************************************************/
+
+bt_status_t btif_av_init(int service_id);
+
+/*******************************************************************************
+ *
+ * Function         btif_av_is_connected
+ *
+ * Description      Checks if av has a connected sink
+ *
+ * Returns          bool
+ *
+ ******************************************************************************/
+
+bool btif_av_is_connected(void);
+
+/*******************************************************************************
+ *
+ * Function         btif_av_get_peer_sep
+ *
+ * Description      Get the stream endpoint type.
+ *
+ * Returns          The stream endpoint type: either AVDT_TSEP_SRC or
+ *                  AVDT_TSEP_SNK.
+ *
+ ******************************************************************************/
+
+uint8_t btif_av_get_peer_sep(void);
+
+/*******************************************************************************
+ *
+ * Function         btif_av_is_peer_edr
+ *
+ * Description      Check if the connected a2dp device supports
+ *                  EDR or not. Only when connected this function
+ *                  will accurately provide a true capability of
+ *                  remote peer. If not connected it will always be false.
+ *
+ * Returns          true if remote device is capable of EDR
+ *
+ ******************************************************************************/
+
+bool btif_av_is_peer_edr(void);
+
+/******************************************************************************
+ *
+ * Function         btif_av_clear_remote_suspend_flag
+ *
+ * Description      Clears remote suspended flag
+ *
+ * Returns          Void
+ ******************************************************************************/
+void btif_av_clear_remote_suspend_flag(void);
+
+/*******************************************************************************
+ *
+ * Function         btif_av_peer_supports_3mbps
+ *
+ * Description      Check if the connected A2DP device supports
+ *                  3 Mbps EDR. This function will only work while connected.
+ *                  If not connected it will always return false.
+ *
+ * Returns          true if remote device is EDR and supports 3 Mbps
+ *
+ ******************************************************************************/
+bool btif_av_peer_supports_3mbps(void);
+
+#endif /* BTIF_AV_H */