1 // copyright 2016 the android open source project 2 // 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 // Type to represent audio devices in a brillo system. 17 18 #ifndef BRILLO_AUDIO_AUDIOSERVICE_BRILLO_AUDIO_DEVICE_INFO_H_ 19 #define BRILLO_AUDIO_AUDIOSERVICE_BRILLO_AUDIO_DEVICE_INFO_H_ 20 21 #include <sys/cdefs.h> 22 23 __BEGIN_DECLS 24 25 struct BAudioDeviceInfo; 26 27 typedef struct BAudioDeviceInfo BAudioDeviceInfo; 28 29 // A device type associated with an unknown or uninitialized device. 30 static const int TYPE_UNKNOWN = 0; 31 32 // A device type describing the speaker system (i.e. a mono speaker or stereo 33 // speakers) built in a device. 34 static const int TYPE_BUILTIN_SPEAKER = 1; 35 36 // A device type describing a headset, which is the combination of a headphones 37 // and microphone. This type represents just the transducer in the headset. 38 static const int TYPE_WIRED_HEADSET = 2; 39 40 // A device type describing a headset, which is the combination of a headphones 41 // and microphone. This type represents the microphone in the headset. 42 static const int TYPE_WIRED_HEADSET_MIC = 3; 43 44 // A device type describing a pair of wired headphones. 45 static const int TYPE_WIRED_HEADPHONES = 4; 46 47 // A device type describing the microphone(s) built in a device. 48 static const int TYPE_BUILTIN_MIC = 5; 49 50 // Create a BAudioDeviceInfo based on a type described above. 51 // 52 // Arg: 53 // device: An int representing an audio type as defined above. 54 // 55 // Returns a pointer to a BAudioDeviceInfo object. 56 BAudioDeviceInfo* BAudioDeviceInfo_new(int device); 57 58 // Get the type of the device. 59 // 60 // Arg: 61 // device: A pointer to a BAudioDeviceInfo object to be freed. 62 // 63 // Returns an int representing the type of the device. 64 int BAudioDeviceInfo_getType(BAudioDeviceInfo* device); 65 66 // Free a BAudioDeviceInfo. 67 // 68 // Arg: 69 // device: A pointer to a BAudioDeviceInfo object to be freed. 70 void BAudioDeviceInfo_delete(BAudioDeviceInfo* device); 71 72 __END_DECLS 73 74 #endif // BRILLO_AUDIO_AUDIOSERVICE_BRILLO_AUDIO_DEVICE_INFO_H_ 75
