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 /** 17 * @addtogroup Audio 18 * @{ 19 * 20 * @brief Defines audio-related APIs, including custom data types and functions for loading drivers, 21 * accessing a driver adapter, and rendering and capturing audios. 22 * 23 * @since 1.0 24 * @version 1.0 25 */ 26 27 /** 28 * @file audio_events.h 29 * 30 * @brief Defines the type of audio event used by the media service 31 * 32 * @since 1.0 33 * @version 1.0 34 */ 35 36 #ifndef AUDIO_EVENTS_H 37 #define AUDIO_EVENTS_H 38 39 #include <stdint.h> 40 41 enum AudioEventType { 42 HDF_AUDIO_DEVICE_ADD = 0x1, 43 HDF_AUDIO_DEVICE_REMOVE = 0x2, 44 HDF_AUDIO_EVENT_UNKOWN, 45 }; 46 47 enum AudioDeviceType { 48 HDF_AUDIO_LINEOUT = 0x1, 49 HDF_AUDIO_HEADPHONE = 0x2, 50 HDF_AUDIO_HEADSET = 0x4, 51 HDF_AUDIO_USB_HEADSET = 0x8, 52 HDF_AUDIO_DEVICE_UNKOWN, 53 }; 54 55 struct AudioEvent { 56 uint32_t eventType; 57 uint32_t deviceType; 58 }; 59 60 #endif /* AUDIO_EVENTS_H */ 61 /** @} */ 62