dom/system/gonk/android_audio/IAudioTrack.h@6474c204b198 (annotated)
dom/system/gonk/android_audio/IAudioTrack.h
Wed, 31 Dec 2014 06:09:35 +0100
- author
- Michael Schloh von Bennewitz <michael@schloh.com>
- date
- Wed, 31 Dec 2014 06:09:35 +0100
- changeset 0
- 6474c204b198
- permissions
- -rw-r--r--
Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.
| michael@0 | 1 | /* |
| michael@0 | 2 | * Copyright (C) 2007 The Android Open Source Project |
| michael@0 | 3 | * |
| michael@0 | 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| michael@0 | 5 | * you may not use this file except in compliance with the License. |
| michael@0 | 6 | * You may obtain a copy of the License at |
| michael@0 | 7 | * |
| michael@0 | 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| michael@0 | 9 | * |
| michael@0 | 10 | * Unless required by applicable law or agreed to in writing, software |
| michael@0 | 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| michael@0 | 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| michael@0 | 13 | * See the License for the specific language governing permissions and |
| michael@0 | 14 | * limitations under the License. |
| michael@0 | 15 | */ |
| michael@0 | 16 | |
| michael@0 | 17 | #ifndef ANDROID_IAUDIOTRACK_H |
| michael@0 | 18 | #define ANDROID_IAUDIOTRACK_H |
| michael@0 | 19 | |
| michael@0 | 20 | #include <stdint.h> |
| michael@0 | 21 | #include <sys/types.h> |
| michael@0 | 22 | |
| michael@0 | 23 | #include <utils/RefBase.h> |
| michael@0 | 24 | #include <utils/Errors.h> |
| michael@0 | 25 | #include <binder/IInterface.h> |
| michael@0 | 26 | #include <binder/IMemory.h> |
| michael@0 | 27 | |
| michael@0 | 28 | |
| michael@0 | 29 | namespace android { |
| michael@0 | 30 | |
| michael@0 | 31 | // ---------------------------------------------------------------------------- |
| michael@0 | 32 | |
| michael@0 | 33 | class IAudioTrack : public IInterface |
| michael@0 | 34 | { |
| michael@0 | 35 | public: |
| michael@0 | 36 | DECLARE_META_INTERFACE(AudioTrack); |
| michael@0 | 37 | |
| michael@0 | 38 | /* After it's created the track is not active. Call start() to |
| michael@0 | 39 | * make it active. If set, the callback will start being called. |
| michael@0 | 40 | */ |
| michael@0 | 41 | virtual status_t start() = 0; |
| michael@0 | 42 | |
| michael@0 | 43 | /* Stop a track. If set, the callback will cease being called and |
| michael@0 | 44 | * obtainBuffer will return an error. Buffers that are already released |
| michael@0 | 45 | * will be processed, unless flush() is called. |
| michael@0 | 46 | */ |
| michael@0 | 47 | virtual void stop() = 0; |
| michael@0 | 48 | |
| michael@0 | 49 | /* flush a stopped track. All pending buffers are discarded. |
| michael@0 | 50 | * This function has no effect if the track is not stoped. |
| michael@0 | 51 | */ |
| michael@0 | 52 | virtual void flush() = 0; |
| michael@0 | 53 | |
| michael@0 | 54 | /* mute or unmutes this track. |
| michael@0 | 55 | * While mutted, the callback, if set, is still called. |
| michael@0 | 56 | */ |
| michael@0 | 57 | virtual void mute(bool) = 0; |
| michael@0 | 58 | |
| michael@0 | 59 | /* Pause a track. If set, the callback will cease being called and |
| michael@0 | 60 | * obtainBuffer will return an error. Buffers that are already released |
| michael@0 | 61 | * will be processed, unless flush() is called. |
| michael@0 | 62 | */ |
| michael@0 | 63 | virtual void pause() = 0; |
| michael@0 | 64 | |
| michael@0 | 65 | /* Attach track auxiliary output to specified effect. Use effectId = 0 |
| michael@0 | 66 | * to detach track from effect. |
| michael@0 | 67 | */ |
| michael@0 | 68 | virtual status_t attachAuxEffect(int effectId) = 0; |
| michael@0 | 69 | |
| michael@0 | 70 | /* get this tracks control block */ |
| michael@0 | 71 | virtual sp<IMemory> getCblk() const = 0; |
| michael@0 | 72 | }; |
| michael@0 | 73 | |
| michael@0 | 74 | // ---------------------------------------------------------------------------- |
| michael@0 | 75 | |
| michael@0 | 76 | class BnAudioTrack : public BnInterface<IAudioTrack> |
| michael@0 | 77 | { |
| michael@0 | 78 | public: |
| michael@0 | 79 | virtual status_t onTransact( uint32_t code, |
| michael@0 | 80 | const Parcel& data, |
| michael@0 | 81 | Parcel* reply, |
| michael@0 | 82 | uint32_t flags = 0); |
| michael@0 | 83 | }; |
| michael@0 | 84 | |
| michael@0 | 85 | // ---------------------------------------------------------------------------- |
| michael@0 | 86 | |
| michael@0 | 87 | }; // namespace android |
| michael@0 | 88 | |
| michael@0 | 89 | #endif // ANDROID_IAUDIOTRACK_H |
