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_IMEDIAPLAYERSERVICE_H 18 #define ANDROID_IMEDIAPLAYERSERVICE_H 19 20 #include <utils/Errors.h> // for status_t 21 #include <utils/RefBase.h> 22 #include <binder/IInterface.h> 23 #include <binder/Parcel.h> 24 25 #include <media/IMediaPlayerClient.h> 26 #include <media/IMediaPlayer.h> 27 #include <media/IMediaMetadataRetriever.h> 28 29 namespace android { 30 31 class IMediaRecorder; 32 class IOMX; 33 34 class IMediaPlayerService: public IInterface 35 { 36 public: 37 DECLARE_META_INTERFACE(MediaPlayerService); 38 39 virtual sp<IMediaRecorder> createMediaRecorder(pid_t pid) = 0; 40 virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid) = 0; 41 virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, const char* url) = 0; 42 virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int fd, int64_t offset, int64_t length) = 0; 43 virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0; 44 virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0; 45 virtual sp<IOMX> getOMX() = 0; 46 47 // Take a peek at currently playing audio, for visualization purposes. 48 // This returns a buffer of 16 bit mono PCM data, or NULL if no visualization buffer is currently available. 49 virtual sp<IMemory> snoop() = 0; 50 }; 51 52 // ---------------------------------------------------------------------------- 53 54 class BnMediaPlayerService: public BnInterface<IMediaPlayerService> 55 { 56 public: 57 virtual status_t onTransact( uint32_t code, 58 const Parcel& data, 59 Parcel* reply, 60 uint32_t flags = 0); 61 }; 62 63 }; // namespace android 64 65 #endif // ANDROID_IMEDIAPLAYERSERVICE_H 66