1 /* 2 * Copyright (C) 2008 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_IMEDIAPLAYER_H 18 #define ANDROID_IMEDIAPLAYER_H 19 20 #include <utils/RefBase.h> 21 #include <binder/IInterface.h> 22 #include <binder/Parcel.h> 23 24 namespace android { 25 26 class Parcel; 27 class ISurface; 28 29 class IMediaPlayer: public IInterface 30 { 31 public: 32 DECLARE_META_INTERFACE(MediaPlayer); 33 34 virtual void disconnect() = 0; 35 36 virtual status_t setVideoSurface(const sp<ISurface>& surface) = 0; 37 virtual status_t prepareAsync() = 0; 38 virtual status_t start() = 0; 39 virtual status_t stop() = 0; 40 virtual status_t pause() = 0; 41 virtual status_t isPlaying(bool* state) = 0; 42 virtual status_t seekTo(int msec) = 0; 43 virtual status_t getCurrentPosition(int* msec) = 0; 44 virtual status_t getDuration(int* msec) = 0; 45 virtual status_t reset() = 0; 46 virtual status_t setAudioStreamType(int type) = 0; 47 virtual status_t setLooping(int loop) = 0; 48 virtual status_t setVolume(float leftVolume, float rightVolume) = 0; 49 50 // Invoke a generic method on the player by using opaque parcels 51 // for the request and reply. 52 // @param request Parcel that must start with the media player 53 // interface token. 54 // @param[out] reply Parcel to hold the reply data. Cannot be null. 55 // @return OK if the invocation was made successfully. 56 virtual status_t invoke(const Parcel& request, Parcel *reply) = 0; 57 58 // Set a new metadata filter. 59 // @param filter A set of allow and drop rules serialized in a Parcel. 60 // @return OK if the invocation was made successfully. 61 virtual status_t setMetadataFilter(const Parcel& filter) = 0; 62 63 // Retrieve a set of metadata. 64 // @param update_only Include only the metadata that have changed 65 // since the last invocation of getMetadata. 66 // The set is built using the unfiltered 67 // notifications the native player sent to the 68 // MediaPlayerService during that period of 69 // time. If false, all the metadatas are considered. 70 // @param apply_filter If true, once the metadata set has been built based 71 // on the value update_only, the current filter is 72 // applied. 73 // @param[out] metadata On exit contains a set (possibly empty) of metadata. 74 // Valid only if the call returned OK. 75 // @return OK if the invocation was made successfully. 76 virtual status_t getMetadata(bool update_only, 77 bool apply_filter, 78 Parcel *metadata) = 0; 79 }; 80 81 // ---------------------------------------------------------------------------- 82 83 class BnMediaPlayer: public BnInterface<IMediaPlayer> 84 { 85 public: 86 virtual status_t onTransact( uint32_t code, 87 const Parcel& data, 88 Parcel* reply, 89 uint32_t flags = 0); 90 }; 91 92 }; // namespace android 93 94 #endif // ANDROID_IMEDIAPLAYER_H 95