1 /*
2  * Copyright (c) 2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef AUDIO_EFFECT_CHAIN_ADAPTER_H
17 #define AUDIO_EFFECT_CHAIN_ADAPTER_H
18 
19 #include <stdio.h>
20 #include <stdint.h>
21 #include <pulse/pulseaudio.h>
22 
23 #ifdef __cplusplus
24 extern "C" {
25 #endif
26 
27 typedef struct BufferAttr {
28     float *bufIn;
29     float *bufOut;
30     int samplingRate;
31     int numChanIn;
32     int numChanOut;
33     int frameLen;
34     float *tempBufIn;
35     float *tempBufOut;
36     bool bufOutUsed;
37 } BufferAttr;
38 
39 typedef struct SessionInfoPack {
40     const uint32_t channels;
41     const char *channelLayout;
42     const char *sceneMode;
43     const char *spatializationEnabled;
44     const char *streamUsage;
45     const char *systemVolumeType;
46 } SessionInfoPack;
47 
48 int32_t EffectChainManagerProcess(char *sceneType, BufferAttr *bufferAttr);
49 bool EffectChainManagerExist(const char *sceneType, const char *effectMode, const char *spatializationEnabled);
50 int32_t EffectChainManagerCreateCb(const char *sceneType, const char *sessionID);
51 int32_t EffectChainManagerReleaseCb(const char *sceneType, const char *sessionID);
52 int32_t EffectChainManagerMultichannelUpdate(const char *sceneType);
53 uint32_t ConvertChLayoutToPaChMap(const uint64_t channelLayout, pa_channel_map *paMap);
54 int32_t EffectChainManagerAddSessionInfo(const char *sceneType, const char *sessionID, SessionInfoPack pack);
55 int32_t EffectChainManagerInitCb(const char *sceneType);
56 bool EffectChainManagerCheckEffectOffload();
57 int32_t EffectChainManagerDeleteSessionInfo(const char *sceneType, const char *sessionID);
58 int32_t EffectChainManagerReturnEffectChannelInfo(const char *sceneType, uint32_t *channels, uint64_t *channelLayout);
59 int32_t EffectChainManagerReturnMultiChannelInfo(uint32_t *channels, uint64_t *channelLayout);
60 int32_t EffectChainManagerVolumeUpdate(const char *sessionID);
61 bool EffectChainManagerGetSpatializationEnabled();
62 void EffectChainManagerFlush(void);
63 void EffectChainManagerEffectUpdate(void);
64 bool EffectChainManagerSceneCheck(const char *sinkSceneType, const char *sceneType);
65 void EffectChainManagerStreamUsageUpdate();
66 #ifdef __cplusplus
67 }
68 #endif
69 #endif // AUDIO_EFFECT_CHAIN_ADAPTER_H
70