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comparison: dom/system/gonk/android_audio/IAudioTrack.h
dom/system/gonk/android_audio/IAudioTrack.h
- branch
- TOR_BUG_9701
- changeset 15
- b8a032363ba2
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| -1:000000000000 | 0:46b21a6743d1 |
|---|---|
| 1 /* | |
| 2 * Copyright (C) 2007 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 | |
| 17 #ifndef ANDROID_IAUDIOTRACK_H | |
| 18 #define ANDROID_IAUDIOTRACK_H | |
| 19 | |
| 20 #include <stdint.h> | |
| 21 #include <sys/types.h> | |
| 22 | |
| 23 #include <utils/RefBase.h> | |
| 24 #include <utils/Errors.h> | |
| 25 #include <binder/IInterface.h> | |
| 26 #include <binder/IMemory.h> | |
| 27 | |
| 28 | |
| 29 namespace android { | |
| 30 | |
| 31 // ---------------------------------------------------------------------------- | |
| 32 | |
| 33 class IAudioTrack : public IInterface | |
| 34 { | |
| 35 public: | |
| 36 DECLARE_META_INTERFACE(AudioTrack); | |
| 37 | |
| 38 /* After it's created the track is not active. Call start() to | |
| 39 * make it active. If set, the callback will start being called. | |
| 40 */ | |
| 41 virtual status_t start() = 0; | |
| 42 | |
| 43 /* Stop a track. If set, the callback will cease being called and | |
| 44 * obtainBuffer will return an error. Buffers that are already released | |
| 45 * will be processed, unless flush() is called. | |
| 46 */ | |
| 47 virtual void stop() = 0; | |
| 48 | |
| 49 /* flush a stopped track. All pending buffers are discarded. | |
| 50 * This function has no effect if the track is not stoped. | |
| 51 */ | |
| 52 virtual void flush() = 0; | |
| 53 | |
| 54 /* mute or unmutes this track. | |
| 55 * While mutted, the callback, if set, is still called. | |
| 56 */ | |
| 57 virtual void mute(bool) = 0; | |
| 58 | |
| 59 /* Pause a track. If set, the callback will cease being called and | |
| 60 * obtainBuffer will return an error. Buffers that are already released | |
| 61 * will be processed, unless flush() is called. | |
| 62 */ | |
| 63 virtual void pause() = 0; | |
| 64 | |
| 65 /* Attach track auxiliary output to specified effect. Use effectId = 0 | |
| 66 * to detach track from effect. | |
| 67 */ | |
| 68 virtual status_t attachAuxEffect(int effectId) = 0; | |
| 69 | |
| 70 /* get this tracks control block */ | |
| 71 virtual sp<IMemory> getCblk() const = 0; | |
| 72 }; | |
| 73 | |
| 74 // ---------------------------------------------------------------------------- | |
| 75 | |
| 76 class BnAudioTrack : public BnInterface<IAudioTrack> | |
| 77 { | |
| 78 public: | |
| 79 virtual status_t onTransact( uint32_t code, | |
| 80 const Parcel& data, | |
| 81 Parcel* reply, | |
| 82 uint32_t flags = 0); | |
| 83 }; | |
| 84 | |
| 85 // ---------------------------------------------------------------------------- | |
| 86 | |
| 87 }; // namespace android | |
| 88 | |
| 89 #endif // ANDROID_IAUDIOTRACK_H |
