1 /*
2  * Copyright (c) 2022 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 HDF_I_AUDIO_RENDER_H
17 #define HDF_I_AUDIO_RENDER_H
18 
19 #include <string>
20 #include <vector>
21 
22 #include "i_audio_attribute.h"
23 #include "i_audio_control.h"
24 #include "i_audio_scene.h"
25 #include "i_audio_render_callback.h"
26 #include "i_audio_volume.h"
27 #include "types.h"
28 
29 namespace OHOS {
30 namespace DistributedHardware {
31 class IAudioRender : public IAudioControl, public IAudioAttribute, public IAudioScene, public IAudioVolume {
32 public:
33     virtual int32_t GetLatency(uint32_t &ms) = 0;
34 
35     virtual int32_t RenderFrame(const std::vector<uint8_t> &frame, const uint64_t requestBytes,
36         uint64_t &replyBytes) = 0;
37 
38     virtual int32_t GetRenderPosition(uint64_t &frames, AudioTimeStampHAL &time) = 0;
39 
40     virtual int32_t SetRenderSpeed(const float speed) = 0;
41 
42     virtual int32_t GetRenderSpeed(float &speed) = 0;
43 
44     virtual int32_t SetChannelMode(const AudioChannelModeHAL &mode) = 0;
45 
46     virtual int32_t GetChannelMode(AudioChannelModeHAL &mode) = 0;
47 
48     virtual int32_t RegCallback(IAudioRenderCallback &cbObj) = 0;
49 
50     virtual int32_t DrainBuffer(const AudioDrainNotifyTypeHAL &type) = 0;
51 };
52 } // namespace DistributedHardware
53 } // namespace OHOS
54 #endif // HDF_I_AUDIO_RENDER_H