IMediaPlayer.h revision 0a5ca668c6f7d45706e9aec4a1dfec0aacc6d233
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 24namespace android { 25 26class Parcel; 27class ISurface; 28class Surface; 29 30class IMediaPlayer: public IInterface 31{ 32public: 33 DECLARE_META_INTERFACE(MediaPlayer); 34 35 virtual void disconnect() = 0; 36 37 virtual status_t setVideoSurface(const sp<Surface>& surface) = 0; 38 virtual status_t prepareAsync() = 0; 39 virtual status_t start() = 0; 40 virtual status_t stop() = 0; 41 virtual status_t pause() = 0; 42 virtual status_t isPlaying(bool* state) = 0; 43 virtual status_t seekTo(int msec) = 0; 44 virtual status_t getCurrentPosition(int* msec) = 0; 45 virtual status_t getDuration(int* msec) = 0; 46 virtual status_t reset() = 0; 47 virtual status_t setAudioStreamType(int type) = 0; 48 virtual status_t setLooping(int loop) = 0; 49 virtual status_t setVolume(float leftVolume, float rightVolume) = 0; 50 virtual status_t setAuxEffectSendLevel(float level) = 0; 51 virtual status_t attachAuxEffect(int effectId) = 0; 52 53 // Invoke a generic method on the player by using opaque parcels 54 // for the request and reply. 55 // @param request Parcel that must start with the media player 56 // interface token. 57 // @param[out] reply Parcel to hold the reply data. Cannot be null. 58 // @return OK if the invocation was made successfully. 59 virtual status_t invoke(const Parcel& request, Parcel *reply) = 0; 60 61 // Set a new metadata filter. 62 // @param filter A set of allow and drop rules serialized in a Parcel. 63 // @return OK if the invocation was made successfully. 64 virtual status_t setMetadataFilter(const Parcel& filter) = 0; 65 66 // Retrieve a set of metadata. 67 // @param update_only Include only the metadata that have changed 68 // since the last invocation of getMetadata. 69 // The set is built using the unfiltered 70 // notifications the native player sent to the 71 // MediaPlayerService during that period of 72 // time. If false, all the metadatas are considered. 73 // @param apply_filter If true, once the metadata set has been built based 74 // on the value update_only, the current filter is 75 // applied. 76 // @param[out] metadata On exit contains a set (possibly empty) of metadata. 77 // Valid only if the call returned OK. 78 // @return OK if the invocation was made successfully. 79 virtual status_t getMetadata(bool update_only, 80 bool apply_filter, 81 Parcel *metadata) = 0; 82}; 83 84// ---------------------------------------------------------------------------- 85 86class BnMediaPlayer: public BnInterface<IMediaPlayer> 87{ 88public: 89 virtual status_t onTransact( uint32_t code, 90 const Parcel& data, 91 Parcel* reply, 92 uint32_t flags = 0); 93}; 94 95}; // namespace android 96 97#endif // ANDROID_IMEDIAPLAYER_H 98