| Jean-Michel Trivi | df813a3 | 2014-07-20 17:58:33 -0700 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2014 The Android Open Source Project |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | #ifndef AUDIO_POLICY_HELPER_H_ |
| 17 | #define AUDIO_POLICY_HELPER_H_ |
| 18 | |
| 19 | #include <system/audio.h> |
| 20 | |
| 21 | audio_stream_type_t audio_attributes_to_stream_type(const audio_attributes_t *attr) |
| 22 | { |
| 23 | // flags to stream type mapping |
| 24 | if ((attr->flags & AUDIO_FLAG_AUDIBILITY_ENFORCED) == AUDIO_FLAG_AUDIBILITY_ENFORCED) { |
| 25 | return AUDIO_STREAM_ENFORCED_AUDIBLE; |
| 26 | } |
| 27 | if ((attr->flags & AUDIO_FLAG_SCO) == AUDIO_FLAG_SCO) { |
| 28 | return AUDIO_STREAM_BLUETOOTH_SCO; |
| 29 | } |
| 30 | |
| 31 | // usage to stream type mapping |
| 32 | switch (attr->usage) { |
| 33 | case AUDIO_USAGE_MEDIA: |
| 34 | case AUDIO_USAGE_GAME: |
| 35 | case AUDIO_USAGE_ASSISTANCE_ACCESSIBILITY: |
| 36 | case AUDIO_USAGE_ASSISTANCE_NAVIGATION_GUIDANCE: |
| 37 | return AUDIO_STREAM_MUSIC; |
| 38 | case AUDIO_USAGE_ASSISTANCE_SONIFICATION: |
| 39 | return AUDIO_STREAM_SYSTEM; |
| 40 | case AUDIO_USAGE_VOICE_COMMUNICATION: |
| 41 | return AUDIO_STREAM_VOICE_CALL; |
| 42 | |
| 43 | case AUDIO_USAGE_VOICE_COMMUNICATION_SIGNALLING: |
| 44 | return AUDIO_STREAM_DTMF; |
| 45 | |
| 46 | case AUDIO_USAGE_ALARM: |
| 47 | return AUDIO_STREAM_ALARM; |
| 48 | case AUDIO_USAGE_NOTIFICATION_TELEPHONY_RINGTONE: |
| 49 | return AUDIO_STREAM_RING; |
| 50 | |
| 51 | case AUDIO_USAGE_NOTIFICATION: |
| 52 | case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_REQUEST: |
| 53 | case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_INSTANT: |
| 54 | case AUDIO_USAGE_NOTIFICATION_COMMUNICATION_DELAYED: |
| 55 | case AUDIO_USAGE_NOTIFICATION_EVENT: |
| 56 | return AUDIO_STREAM_NOTIFICATION; |
| 57 | |
| 58 | case AUDIO_USAGE_UNKNOWN: |
| 59 | default: |
| 60 | return AUDIO_STREAM_MUSIC; |
| 61 | } |
| 62 | } |
| 63 | |
| 64 | #endif //AUDIO_POLICY_HELPER_H_ |