IMediaPlayerService.h revision e1c3962e268ffc12bfd1bd9ea84da1f135f36960
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#include <system/audio.h> 27 28#include <media/IMediaPlayerClient.h> 29#include <media/IMediaPlayer.h> 30#include <media/IMediaMetadataRetriever.h> 31 32namespace android { 33 34class IMediaRecorder; 35class IOMX; 36struct IStreamSource; 37 38class IMediaPlayerService: public IInterface 39{ 40public: 41 DECLARE_META_INTERFACE(MediaPlayerService); 42 43 virtual sp<IMediaRecorder> createMediaRecorder(pid_t pid) = 0; 44 virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid) = 0; 45 virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int audioSessionId = 0) = 0; 46 47 virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat) = 0; 48 virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, audio_format_t* pFormat) = 0; 49 virtual sp<IOMX> getOMX() = 0; 50 51 // codecs and audio devices usage tracking for the battery app 52 enum BatteryDataBits { 53 // tracking audio codec 54 kBatteryDataTrackAudio = 0x1, 55 // tracking video codec 56 kBatteryDataTrackVideo = 0x2, 57 // codec is started, otherwise codec is paused 58 kBatteryDataCodecStarted = 0x4, 59 // tracking decoder (for media player), 60 // otherwise tracking encoder (for media recorder) 61 kBatteryDataTrackDecoder = 0x8, 62 // start to play an audio on an audio device 63 kBatteryDataAudioFlingerStart = 0x10, 64 // stop/pause the audio playback 65 kBatteryDataAudioFlingerStop = 0x20, 66 // audio is rounted to speaker 67 kBatteryDataSpeakerOn = 0x40, 68 // audio is rounted to devices other than speaker 69 kBatteryDataOtherAudioDeviceOn = 0x80, 70 }; 71 72 virtual void addBatteryData(uint32_t params) = 0; 73 virtual status_t pullBatteryData(Parcel* reply) = 0; 74}; 75 76// ---------------------------------------------------------------------------- 77 78class BnMediaPlayerService: public BnInterface<IMediaPlayerService> 79{ 80public: 81 virtual status_t onTransact( uint32_t code, 82 const Parcel& data, 83 Parcel* reply, 84 uint32_t flags = 0); 85}; 86 87}; // namespace android 88 89#endif // ANDROID_IMEDIAPLAYERSERVICE_H 90