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 #include <system/audio.h> 25 26 // Fwd decl to make sure everyone agrees that the scope of struct sockaddr_in is 27 // global, and not in android:: 28 struct sockaddr_in; 29 30 namespace android { 31 32 class Parcel; 33 class Surface; 34 class IStreamSource; 35 class IGraphicBufferProducer; 36 struct IMediaHTTPService; 37 38 class IMediaPlayer: public IInterface 39 { 40 public: 41 DECLARE_META_INTERFACE(MediaPlayer); 42 43 virtual void disconnect() = 0; 44 45 virtual status_t setDataSource( 46 const sp<IMediaHTTPService> &httpService, 47 const char *url, 48 const KeyedVector<String8, String8>* headers) = 0; 49 50 virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0; 51 virtual status_t setDataSource(const sp<IStreamSource>& source) = 0; 52 virtual status_t setVideoSurfaceTexture( 53 const sp<IGraphicBufferProducer>& bufferProducer) = 0; 54 virtual status_t prepareAsync() = 0; 55 virtual status_t start() = 0; 56 virtual status_t stop() = 0; 57 virtual status_t pause() = 0; 58 virtual status_t isPlaying(bool* state) = 0; 59 virtual status_t seekTo(int msec) = 0; 60 virtual status_t getCurrentPosition(int* msec) = 0; 61 virtual status_t getDuration(int* msec) = 0; 62 virtual status_t reset() = 0; 63 virtual status_t setAudioStreamType(audio_stream_type_t type) = 0; 64 virtual status_t setLooping(int loop) = 0; 65 virtual status_t setVolume(float leftVolume, float rightVolume) = 0; 66 virtual status_t setAuxEffectSendLevel(float level) = 0; 67 virtual status_t attachAuxEffect(int effectId) = 0; 68 virtual status_t setParameter(int key, const Parcel& request) = 0; 69 virtual status_t getParameter(int key, Parcel* reply) = 0; 70 virtual status_t setRetransmitEndpoint(const struct sockaddr_in* endpoint) = 0; 71 virtual status_t getRetransmitEndpoint(struct sockaddr_in* endpoint) = 0; 72 virtual status_t setNextPlayer(const sp<IMediaPlayer>& next) = 0; 73 74 // Invoke a generic method on the player by using opaque parcels 75 // for the request and reply. 76 // @param request Parcel that must start with the media player 77 // interface token. 78 // @param[out] reply Parcel to hold the reply data. Cannot be null. 79 // @return OK if the invocation was made successfully. 80 virtual status_t invoke(const Parcel& request, Parcel *reply) = 0; 81 82 // Set a new metadata filter. 83 // @param filter A set of allow and drop rules serialized in a Parcel. 84 // @return OK if the invocation was made successfully. 85 virtual status_t setMetadataFilter(const Parcel& filter) = 0; 86 87 // Retrieve a set of metadata. 88 // @param update_only Include only the metadata that have changed 89 // since the last invocation of getMetadata. 90 // The set is built using the unfiltered 91 // notifications the native player sent to the 92 // MediaPlayerService during that period of 93 // time. If false, all the metadatas are considered. 94 // @param apply_filter If true, once the metadata set has been built based 95 // on the value update_only, the current filter is 96 // applied. 97 // @param[out] metadata On exit contains a set (possibly empty) of metadata. 98 // Valid only if the call returned OK. 99 // @return OK if the invocation was made successfully. 100 virtual status_t getMetadata(bool update_only, 101 bool apply_filter, 102 Parcel *metadata) = 0; 103 }; 104 105 // ---------------------------------------------------------------------------- 106 107 class BnMediaPlayer: public BnInterface<IMediaPlayer> 108 { 109 public: 110 virtual status_t onTransact( uint32_t code, 111 const Parcel& data, 112 Parcel* reply, 113 uint32_t flags = 0); 114 }; 115 116 }; // namespace android 117 118 #endif // ANDROID_IMEDIAPLAYER_H 119
