1 /*
2  * Copyright (C) 2024 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #pragma once
18 
19 #include <memory>
20 
21 #include "audio_hal_interface/le_audio_software_host.h"
22 #include "include/hardware/bt_le_audio.h"
23 #include "rust/cxx.h"
24 #include "types/raw_address.h"
25 
26 namespace bluetooth {
27 namespace topshim {
28 namespace rust {
29 
30 enum class BtLeAudioDirection : uint8_t;
31 enum class BtLeStreamStartedStatus : int32_t;
32 struct BtLeAudioCodecConfig;
33 struct BtLePcmConfig;
34 struct SourceMetadata;
35 struct SinkMetadata;
36 
37 class LeAudioClientIntf {
38 public:
LeAudioClientIntf(le_audio::LeAudioClientInterface * intf)39   LeAudioClientIntf(le_audio::LeAudioClientInterface* intf) : intf_(intf) {}
40 
41   void init(
42       /*
43 LeAudioClientCallbacks* callbacks,
44 const std::vector<le_audio::btle_audio_codec_config_t>& offloading_preference
45 */);
46   void connect(RawAddress addr);
47   void disconnect(RawAddress addr);
48   void set_enable_state(RawAddress addr, bool enabled);
49   void cleanup();
50   void remove_device(RawAddress addr);
51   void group_add_node(int group_id, RawAddress addr);
52   void group_remove_node(int group_id, RawAddress addr);
53   void group_set_active(int group_id);
54   void set_codec_config_preference(int group_id, BtLeAudioCodecConfig input_codec_config,
55                                    BtLeAudioCodecConfig output_codec_config);
56   void set_ccid_information(int ccid, int context_type);
57   void set_in_call(bool in_call);
58   void send_audio_profile_preferences(int group_id, bool is_output_preference_le_audio,
59                                       bool is_duplex_preference_le_audio);
60   void set_unicast_monitor_mode(BtLeAudioDirection direction, bool enable);
61 
62   // interface for audio server
63   bool host_start_audio_request();
64   void host_stop_audio_request();
65   bool peer_start_audio_request();
66   void peer_stop_audio_request();
67   BtLePcmConfig get_host_pcm_config();
68   BtLePcmConfig get_peer_pcm_config();
69   BtLeStreamStartedStatus get_host_stream_started();
70   BtLeStreamStartedStatus get_peer_stream_started();
71   void source_metadata_changed(::rust::Vec<SourceMetadata> metadata);
72   void sink_metadata_changed(::rust::Vec<SinkMetadata> metadata);
73 
74 private:
75   le_audio::LeAudioClientInterface* intf_;
76 };
77 
78 std::unique_ptr<LeAudioClientIntf> GetLeAudioClientProfile(const unsigned char* btif);
79 
80 }  // namespace rust
81 }  // namespace topshim
82 }  // namespace bluetooth
83