IMediaPlayerService.cpp revision b7056fc8525e0515c6f46676e3307088f8b64cdc
194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood/* 294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** Copyright 2008, The Android Open Source Project 494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** Licensed under the Apache License, Version 2.0 (the "License"); 694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** you may not use this file except in compliance with the License. 794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** You may obtain a copy of the License at 894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** http://www.apache.org/licenses/LICENSE-2.0 1094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** 1194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** Unless required by applicable law or agreed to in writing, software 1294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** distributed under the License is distributed on an "AS IS" BASIS, 1394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** See the License for the specific language governing permissions and 1594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood** limitations under the License. 1694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood*/ 17d747129e1e8876f5a50f47156ec50b6969a638e4Nick Kralevich 1894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <stdint.h> 1994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <sys/types.h> 2094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <binder/Parcel.h> 2194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <binder/IMemory.h> 2394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <media/IMediaPlayerService.h> 2494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood#include <media/IMediaRecorder.h> 2594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodnamespace android { 2794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 2894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodenum { 2994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CREATE_URL = IBinder::FIRST_CALL_TRANSACTION, 3094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CREATE_FD, 314d3fd4e9988c0eb284dd5104c4dea757f723c716Robert Craig DECODE_URL, 3294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood DECODE_FD, 3394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CREATE_MEDIA_RECORDER, 3494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CREATE_METADATA_RETRIEVER, 3594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood}; 3694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 3794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodclass BpMediaPlayerService: public BpInterface<IMediaPlayerService> 3894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 3994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodpublic: 4094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood BpMediaPlayerService(const sp<IBinder>& impl) 4194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood : BpInterface<IMediaPlayerService>(impl) 4294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { 4394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 4494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 4594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood virtual sp<IMediaMetadataRetriever> createMetadataRetriever(pid_t pid) 4694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { 4794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood Parcel data, reply; 4894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); 4994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInt32(pid); 5094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood remote()->transact(CREATE_METADATA_RETRIEVER, data, &reply); 5194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return interface_cast<IMediaMetadataRetriever>(reply.readStrongBinder()); 5294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 5394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 5494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, const char* url) 5594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { 5694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood Parcel data, reply; 5794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); 58a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich data.writeInt32(pid); 5994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeStrongBinder(client->asBinder()); 6094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeCString(url); 6194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood remote()->transact(CREATE_URL, data, &reply); 62a2d838a542c34d2887a0ec1fafa5f47566d595e9Nick Kralevich return interface_cast<IMediaPlayer>(reply.readStrongBinder()); 6394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 6494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 6594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood virtual sp<IMediaRecorder> createMediaRecorder(pid_t pid) 6694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { 6794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood Parcel data, reply; 6894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); 6994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInt32(pid); 7094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood remote()->transact(CREATE_MEDIA_RECORDER, data, &reply); 7194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return interface_cast<IMediaRecorder>(reply.readStrongBinder()); 7294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 7394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 7494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood virtual sp<IMediaPlayer> create(pid_t pid, const sp<IMediaPlayerClient>& client, int fd, int64_t offset, int64_t length) 7594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { 7694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood Parcel data, reply; 7794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); 7894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInt32(pid); 7994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeStrongBinder(client->asBinder()); 8094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeFileDescriptor(fd); 8194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInt64(offset); 8294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInt64(length); 8394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood remote()->transact(CREATE_FD, data, &reply); 8494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return interface_cast<IMediaPlayer>(reply.readStrongBinder()); 8594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 8694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 8794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood virtual sp<IMemory> decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 8894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { 8994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood Parcel data, reply; 9094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); 9194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeCString(url); 9294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood remote()->transact(DECODE_URL, data, &reply); 9394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *pSampleRate = uint32_t(reply.readInt32()); 944d3fd4e9988c0eb284dd5104c4dea757f723c716Robert Craig *pNumChannels = reply.readInt32(); 9594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *pFormat = reply.readInt32(); 9694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return interface_cast<IMemory>(reply.readStrongBinder()); 9794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 9894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 9994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood virtual sp<IMemory> decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 10094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood { 10194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood Parcel data, reply; 10294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInterfaceToken(IMediaPlayerService::getInterfaceDescriptor()); 10394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeFileDescriptor(fd); 10494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInt64(offset); 10594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood data.writeInt64(length); 10694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood remote()->transact(DECODE_FD, data, &reply); 10794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *pSampleRate = uint32_t(reply.readInt32()); 10894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *pNumChannels = reply.readInt32(); 10994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood *pFormat = reply.readInt32(); 11094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return interface_cast<IMemory>(reply.readStrongBinder()); 111abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey } 11294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood}; 11394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 11494afecf4b6f437b3ee9a076242402e421c6c07a6Mike LockwoodIMPLEMENT_META_INTERFACE(MediaPlayerService, "android.hardware.IMediaPlayerService"); 115abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey 11694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood// ---------------------------------------------------------------------- 11794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 11894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwoodstatus_t BnMediaPlayerService::onTransact( 11994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood uint32_t code, const Parcel& data, Parcel* reply, uint32_t flags) 12094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood{ 12194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood switch(code) { 12294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case CREATE_URL: { 12394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CHECK_INTERFACE(IMediaPlayerService, data, reply); 12494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid = data.readInt32(); 12594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sp<IMediaPlayerClient> client = interface_cast<IMediaPlayerClient>(data.readStrongBinder()); 12694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char* url = data.readCString(); 12794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sp<IMediaPlayer> player = create(pid, client, url); 12894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeStrongBinder(player->asBinder()); 12994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return NO_ERROR; 13094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } break; 13194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case CREATE_FD: { 13294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CHECK_INTERFACE(IMediaPlayerService, data, reply); 13394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid = data.readInt32(); 13494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sp<IMediaPlayerClient> client = interface_cast<IMediaPlayerClient>(data.readStrongBinder()); 13594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int fd = dup(data.readFileDescriptor()); 13694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t offset = data.readInt64(); 13794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t length = data.readInt64(); 13894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sp<IMediaPlayer> player = create(pid, client, fd, offset, length); 13994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeStrongBinder(player->asBinder()); 14094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return NO_ERROR; 14194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } break; 14294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case DECODE_URL: { 14394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CHECK_INTERFACE(IMediaPlayerService, data, reply); 14494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood const char* url = data.readCString(); 14594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood uint32_t sampleRate; 14694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int numChannels; 14794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int format; 14894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sp<IMemory> player = decode(url, &sampleRate, &numChannels, &format); 14994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeInt32(sampleRate); 15094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeInt32(numChannels); 15194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeInt32(format); 15294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeStrongBinder(player->asBinder()); 15394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return NO_ERROR; 15494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } break; 15594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case DECODE_FD: { 15694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CHECK_INTERFACE(IMediaPlayerService, data, reply); 15794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int fd = dup(data.readFileDescriptor()); 15894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t offset = data.readInt64(); 15994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int64_t length = data.readInt64(); 16094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood uint32_t sampleRate; 16194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int numChannels; 16294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood int format; 16394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sp<IMemory> player = decode(fd, offset, length, &sampleRate, &numChannels, &format); 16494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeInt32(sampleRate); 16594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeInt32(numChannels); 16694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeInt32(format); 16794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeStrongBinder(player->asBinder()); 16894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return NO_ERROR; 16994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } break; 17094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case CREATE_MEDIA_RECORDER: { 17194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CHECK_INTERFACE(IMediaPlayerService, data, reply); 17294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid = data.readInt32(); 17394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood sp<IMediaRecorder> recorder = createMediaRecorder(pid); 17494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeStrongBinder(recorder->asBinder()); 17594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return NO_ERROR; 176abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey } break; 17794afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood case CREATE_METADATA_RETRIEVER: { 17894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood CHECK_INTERFACE(IMediaPlayerService, data, reply); 17994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood pid_t pid = data.readInt32(); 180abe4fe5b46157ecd2a52d28abf938c816c3ce878Jeff Sharkey sp<IMediaMetadataRetriever> retriever = createMetadataRetriever(pid); 18194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood reply->writeStrongBinder(retriever->asBinder()); 18294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return NO_ERROR; 18394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } break; 18494afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood default: 18594afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood return BBinder::onTransact(code, data, reply, flags); 18694afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood } 187e4e91c4ead821afb5aced2e33ee39d8878eb4d1eNick Kralevich} 18894afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 18994afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood// ---------------------------------------------------------------------------- 19094afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 19194afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood}; // namespace android 19294afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood 19394afecf4b6f437b3ee9a076242402e421c6c07a6Mike Lockwood