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/KeyedVector.h> 22 #include <utils/RefBase.h> 23 #include <utils/String8.h> 24 #include <binder/IInterface.h> 25 #include <binder/Parcel.h> 26 27 #include <media/IMediaPlayerClient.h> 28 #include <media/IMediaPlayer.h> 29 #include <media/IMediaMetadataRetriever.h> 30 31 namespace android { 32 33 class IMediaRecorder; 34 class IOMX; 35 struct IStreamSource; 36 37 class IMediaPlayerService: public IInterface 38 { 39 public: 40 DECLARE_META_INTERFACE(MediaPlayerService); 41 42 virtual sp<IMediaRecorder> createMediaRecorder(pid_t pid) = 0; 43 virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid) = 0; 44 virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int audioSessionId = 0) = 0; 45 46 virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0; 47 virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) = 0; 48 virtual sp<IOMX> getOMX() = 0; 49 50 // codecs and audio devices usage tracking for the battery app 51 enum BatteryDataBits { 52 // tracking audio codec 53 kBatteryDataTrackAudio = 0x1, 54 // tracking video codec 55 kBatteryDataTrackVideo = 0x2, 56 // codec is started, otherwise codec is paused 57 kBatteryDataCodecStarted = 0x4, 58 // tracking decoder (for media player), 59 // otherwise tracking encoder (for media recorder) 60 kBatteryDataTrackDecoder = 0x8, 61 // start to play an audio on an audio device 62 kBatteryDataAudioFlingerStart = 0x10, 63 // stop/pause the audio playback 64 kBatteryDataAudioFlingerStop = 0x20, 65 // audio is rounted to speaker 66 kBatteryDataSpeakerOn = 0x40, 67 // audio is rounted to devices other than speaker 68 kBatteryDataOtherAudioDeviceOn = 0x80, 69 }; 70 71 virtual void addBatteryData(uint32_t params) = 0; 72 virtual status_t pullBatteryData(Parcel* reply) = 0; 73 }; 74 75 // ---------------------------------------------------------------------------- 76 77 class BnMediaPlayerService: public BnInterface<IMediaPlayerService> 78 { 79 public: 80 virtual status_t onTransact( uint32_t code, 81 const Parcel& data, 82 Parcel* reply, 83 uint32_t flags = 0); 84 }; 85 86 }; // namespace android 87 88 #endif // ANDROID_IMEDIAPLAYERSERVICE_H 89