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_CALLBACK_H
17 #define HDF_I_AUDIO_RENDER_CALLBACK_H
18 
19 namespace OHOS {
20 namespace DistributedHardware {
21 class IAudioRenderCallback {
22 public:
23     virtual int32_t OnAudioWriteCompleted() = 0;
24 
25     virtual int32_t OnAudioDrainCompleted() = 0;
26 
27     virtual int32_t OnAudioFlushCompleted() = 0;
28 
29     virtual int32_t OnAudioRenderFull() = 0;
30 
31     virtual int32_t OnAudioErrorOccur() = 0;
32 };
33 } // namespace DistributedHardware
34 } // namespace OHOS
35 #endif // HDF_I_AUDIO_RENDER_CALLBACK_H