1 /*
2  * Copyright 2021 HIMSA II K/S - www.himsa.com.
3  * Represented by EHIMA - www.ehima.com
4  *
5  * Licensed under the Apache License, Version 2.0 (the "License");
6  * you may not use this file except in compliance with the License.
7  * You may obtain a copy of the License at
8  *
9  *      http://www.apache.org/licenses/LICENSE-2.0
10  *
11  * Unless required by applicable law or agreed to in writing, software
12  * distributed under the License is distributed on an "AS IS" BASIS,
13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14  * See the License for the specific language governing permissions and
15  * limitations under the License.
16  */
17 
18 #pragma once
19 
20 #include <array>
21 #include <optional>
22 #include <vector>
23 
24 #include "bta/include/bta_le_audio_api.h"
25 
26 /* Interface class */
27 class LeAudioBroadcaster {
28  public:
29   static constexpr uint8_t kInstanceIdUndefined = 0xFF;
30 
31   virtual ~LeAudioBroadcaster(void) = default;
32 
33   static void Initialize(
34       bluetooth::le_audio::LeAudioBroadcasterCallbacks* callbacks,
35       base::Callback<bool()> hal_2_1_verifier);
36   static void Stop(void);
37   static void Cleanup(void);
38   static LeAudioBroadcaster* Get(void);
39   static bool IsLeAudioBroadcasterRunning(void);
40   static void DebugDump(int fd);
41 
42   virtual void CreateAudioBroadcast(
43       bool is_public, const std::string& broadcast_name,
44       const std::optional<bluetooth::le_audio::BroadcastCode>& broadcast_code,
45       const std::vector<uint8_t>& public_metadata,
46       const std::vector<uint8_t>& subgroup_quality,
47       const std::vector<std::vector<uint8_t>>& subgroup_metadata) = 0;
48   virtual void SuspendAudioBroadcast(uint32_t broadcast_id) = 0;
49   virtual void StartAudioBroadcast(uint32_t broadcast_id) = 0;
50   virtual void StopAudioBroadcast(uint32_t broadcast_id) = 0;
51   virtual void DestroyAudioBroadcast(uint32_t broadcast_id) = 0;
52   virtual void GetBroadcastMetadata(uint32_t broadcast_id) = 0;
53   virtual void GetAllBroadcastStates(void) = 0;
54   virtual void UpdateMetadata(
55       uint32_t broadcast_id, const std::string& broadcast_name,
56       const std::vector<uint8_t>& public_metadata,
57       const std::vector<std::vector<uint8_t>>& subgroup_metadata) = 0;
58   virtual void IsValidBroadcast(
59       uint32_t broadcast_id, uint8_t addr_type, RawAddress addr,
60       base::Callback<void(uint8_t /* broadcast_id */, uint8_t /* addr_type */,
61                           RawAddress /* addr */, bool /* is_valid */)>
62           cb) = 0;
63 
64   virtual void SetStreamingPhy(uint8_t phy) = 0;
65   virtual uint8_t GetStreamingPhy(void) const = 0;
66 };
67