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 IDataSource; 35 struct IStreamSource; 36 class IGraphicBufferProducer; 37 struct IMediaHTTPService; 38 struct AudioPlaybackRate; 39 struct AVSyncSettings; 40 41 class IMediaPlayer: public IInterface 42 { 43 public: 44 DECLARE_META_INTERFACE(MediaPlayer); 45 46 virtual void disconnect() = 0; 47 48 virtual status_t setDataSource( 49 const sp<IMediaHTTPService> &httpService, 50 const char *url, 51 const KeyedVector<String8, String8>* headers) = 0; 52 53 virtual status_t setDataSource(int fd, int64_t offset, int64_t length) = 0; 54 virtual status_t setDataSource(const sp<IStreamSource>& source) = 0; 55 virtual status_t setDataSource(const sp<IDataSource>& source) = 0; 56 virtual status_t setVideoSurfaceTexture( 57 const sp<IGraphicBufferProducer>& bufferProducer) = 0; 58 virtual status_t prepareAsync() = 0; 59 virtual status_t start() = 0; 60 virtual status_t stop() = 0; 61 virtual status_t pause() = 0; 62 virtual status_t isPlaying(bool* state) = 0; 63 virtual status_t setPlaybackSettings(const AudioPlaybackRate& rate) = 0; 64 virtual status_t getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */) = 0; 65 virtual status_t setSyncSettings(const AVSyncSettings& sync, float videoFpsHint) = 0; 66 virtual status_t getSyncSettings(AVSyncSettings* sync /* nonnull */, 67 float* videoFps /* nonnull */) = 0; 68 virtual status_t seekTo(int msec) = 0; 69 virtual status_t getCurrentPosition(int* msec) = 0; 70 virtual status_t getDuration(int* msec) = 0; 71 virtual status_t reset() = 0; 72 virtual status_t setAudioStreamType(audio_stream_type_t type) = 0; 73 virtual status_t setLooping(int loop) = 0; 74 virtual status_t setVolume(float leftVolume, float rightVolume) = 0; 75 virtual status_t setAuxEffectSendLevel(float level) = 0; 76 virtual status_t attachAuxEffect(int effectId) = 0; 77 virtual status_t setParameter(int key, const Parcel& request) = 0; 78 virtual status_t getParameter(int key, Parcel* reply) = 0; 79 virtual status_t setRetransmitEndpoint(const struct sockaddr_in* endpoint) = 0; 80 virtual status_t getRetransmitEndpoint(struct sockaddr_in* endpoint) = 0; 81 virtual status_t setNextPlayer(const sp<IMediaPlayer>& next) = 0; 82 83 // Invoke a generic method on the player by using opaque parcels 84 // for the request and reply. 85 // @param request Parcel that must start with the media player 86 // interface token. 87 // @param[out] reply Parcel to hold the reply data. Cannot be null. 88 // @return OK if the invocation was made successfully. 89 virtual status_t invoke(const Parcel& request, Parcel *reply) = 0; 90 91 // Set a new metadata filter. 92 // @param filter A set of allow and drop rules serialized in a Parcel. 93 // @return OK if the invocation was made successfully. 94 virtual status_t setMetadataFilter(const Parcel& filter) = 0; 95 96 // Retrieve a set of metadata. 97 // @param update_only Include only the metadata that have changed 98 // since the last invocation of getMetadata. 99 // The set is built using the unfiltered 100 // notifications the native player sent to the 101 // MediaPlayerService during that period of 102 // time. If false, all the metadatas are considered. 103 // @param apply_filter If true, once the metadata set has been built based 104 // on the value update_only, the current filter is 105 // applied. 106 // @param[out] metadata On exit contains a set (possibly empty) of metadata. 107 // Valid only if the call returned OK. 108 // @return OK if the invocation was made successfully. 109 virtual status_t getMetadata(bool update_only, 110 bool apply_filter, 111 Parcel *metadata) = 0; 112 }; 113 114 // ---------------------------------------------------------------------------- 115 116 class BnMediaPlayer: public BnInterface<IMediaPlayer> 117 { 118 public: 119 virtual status_t onTransact( uint32_t code, 120 const Parcel& data, 121 Parcel* reply, 122 uint32_t flags = 0); 123 }; 124 125 }; // namespace android 126 127 #endif // ANDROID_IMEDIAPLAYER_H 128