IMediaPlayer.h revision 3901e5d87573447db33fb9930871a1f5266a9b2c
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#include <utils/KeyedVector.h> 24 25namespace android { 26 27class Parcel; 28class Surface; 29class IStreamSource; 30class ISurfaceTexture; 31 32class IMediaPlayer: public IInterface 33{ 34public: 35 DECLARE_META_INTERFACE(MediaPlayer); 36 37 virtual void disconnect() = 0; 38 39 virtual status_t setDataSource(const char *url, 40 const KeyedVector<String8, String8>* headers) = 0; 41 virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0; 42 virtual status_t setDataSource(const sp<IStreamSource>& source) = 0; 43 virtual status_t setVideoSurfaceTexture( 44 const sp<ISurfaceTexture>& surfaceTexture) = 0; 45 virtual status_t prepareAsync() = 0; 46 virtual status_t start() = 0; 47 virtual status_t stop() = 0; 48 virtual status_t pause() = 0; 49 virtual status_t isPlaying(bool* state) = 0; 50 virtual status_t seekTo(int msec) = 0; 51 virtual status_t getCurrentPosition(int* msec) = 0; 52 virtual status_t getDuration(int* msec) = 0; 53 virtual status_t reset() = 0; 54 virtual status_t setAudioStreamType(int type) = 0; 55 virtual status_t setLooping(int loop) = 0; 56 virtual status_t setVolume(float leftVolume, float rightVolume) = 0; 57 virtual status_t setAuxEffectSendLevel(float level) = 0; 58 virtual status_t attachAuxEffect(int effectId) = 0; 59 virtual status_t setParameter(int key, const Parcel& request) = 0; 60 virtual status_t getParameter(int key, Parcel* reply) = 0; 61 62 // Invoke a generic method on the player by using opaque parcels 63 // for the request and reply. 64 // @param request Parcel that must start with the media player 65 // interface token. 66 // @param[out] reply Parcel to hold the reply data. Cannot be null. 67 // @return OK if the invocation was made successfully. 68 virtual status_t invoke(const Parcel& request, Parcel *reply) = 0; 69 70 // Set a new metadata filter. 71 // @param filter A set of allow and drop rules serialized in a Parcel. 72 // @return OK if the invocation was made successfully. 73 virtual status_t setMetadataFilter(const Parcel& filter) = 0; 74 75 // Retrieve a set of metadata. 76 // @param update_only Include only the metadata that have changed 77 // since the last invocation of getMetadata. 78 // The set is built using the unfiltered 79 // notifications the native player sent to the 80 // MediaPlayerService during that period of 81 // time. If false, all the metadatas are considered. 82 // @param apply_filter If true, once the metadata set has been built based 83 // on the value update_only, the current filter is 84 // applied. 85 // @param[out] metadata On exit contains a set (possibly empty) of metadata. 86 // Valid only if the call returned OK. 87 // @return OK if the invocation was made successfully. 88 virtual status_t getMetadata(bool update_only, 89 bool apply_filter, 90 Parcel *metadata) = 0; 91}; 92 93// ---------------------------------------------------------------------------- 94 95class BnMediaPlayer: public BnInterface<IMediaPlayer> 96{ 97public: 98 virtual status_t onTransact( uint32_t code, 99 const Parcel& data, 100 Parcel* reply, 101 uint32_t flags = 0); 102}; 103 104}; // namespace android 105 106#endif // ANDROID_IMEDIAPLAYER_H 107