MediaPlayerService.cpp revision 20111aa043c5f404472bc63b90bc5aad906b1101
19066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* 29066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 39066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Copyright 2008, The Android Open Source Project 49066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 59066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 69066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** you may not use this file except in compliance with the License. 79066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** You may obtain a copy of the License at 89066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 99066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** 119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** See the License for the specific language governing permissions and 159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project** limitations under the License. 169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project*/ 179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Proxy for media player implementations 199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project//#define LOG_NDEBUG 0 219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define LOG_TAG "MediaPlayerService" 229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Log.h> 239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/types.h> 259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <sys/stat.h> 269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <dirent.h> 279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <unistd.h> 289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <string.h> 309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/atomic.h> 329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/properties.h> 339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/misc.h> 359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <android_runtime/ActivityManager.h> 379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <binder/IPCThreadState.h> 399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <binder/IServiceManager.h> 409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <binder/MemoryHeapBase.h> 419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <binder/MemoryBase.h> 429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Errors.h> // for status_t 439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/String8.h> 449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/Vector.h> 459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <cutils/properties.h> 469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/MediaPlayerInterface.h> 489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/mediarecorder.h> 499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/MediaMetadataRetrieverInterface.h> 509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/AudioTrack.h> 519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <utils/SortedVector.h> 539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "MediaRecorderClient.h" 559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "MediaPlayerService.h" 569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "MetadataRetrieverClient.h" 579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "MidiFile.h" 599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "VorbisPlayer.h" 609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <media/PVPlayer.h> 619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if USE_STAGEFRIGHT 629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include "StagefrightPlayer.h" 639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef BUILD_WITH_STAGEFRIGHT 669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#include <OMX.h> 679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 6843a17654cf4bfe7f1ec22bd8b7b32daccdf27c09Joe Onorato#include <media/IOMX.h> 699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project/* desktop Linux needs a little help with gettid() */ 729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS) 739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#define __KERNEL__ 749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project# include <linux/unistd.h> 759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#ifdef _syscall0 769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project_syscall0(pid_t,gettid) 779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#else 789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectpid_t gettid() { return syscall(__NR_gettid);} 799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#undef __KERNEL__ 819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project#endif 829066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 839066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectnamespace { 849066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing android::status_t; 859066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing android::OK; 869066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing android::BAD_VALUE; 879066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing android::NOT_ENOUGH_DATA; 889066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing android::MetadataType; 899066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing android::Parcel; 909066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectusing android::SortedVector; 919066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 929066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Max number of entries in the filter. 939066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst int kMaxFilterSize = 64; // I pulled that out of thin air. 949066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 959066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Keep in sync with ANY in Metadata.java 969066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectconst int32_t kAny = 0; 979066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 989066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 999066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Unmarshall a filter from a Parcel. 1009066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// Filter format in a parcel: 1019066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 1029066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 2 3 4 5 6 7 8 9 0 1 1039066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 1049066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// | number of entries (n) | 1059066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 1069066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// | metadata type 1 | 1079066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 1089066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// | metadata type 2 | 1099066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 1109066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// .... 1119066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 1129066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// | metadata type n | 1139066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+ 1149066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// 1159066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// @param p Parcel that should start with a filter. 1169066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// @param[out] filter On exit contains the list of metadata type to be 1179066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// filtered. 1189066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// @param[out] status On exit contains the status code to be returned. 1199066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// @return true if the parcel starts with a valid filter. 1209066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool unmarshallFilter(const Parcel& p, 1219066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project SortedVector<MetadataType> *filter, 1229066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project status_t *status) 1239066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1249066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project int32_t val; 1259066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p.readInt32(&val) != OK) 1269066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1279066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Failed to read filter's length"); 1289066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *status = NOT_ENOUGH_DATA; 1299066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1309066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1319066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1329066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if( val > kMaxFilterSize || val < 0) 1339066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1349066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Invalid filter len %d", val); 1359066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *status = BAD_VALUE; 1369066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1379066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1389066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1399066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const size_t num = val; 1409066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1419066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter->clear(); 1429066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter->setCapacity(num); 1439066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1449066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project size_t size = num * sizeof(MetadataType); 1459066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1469066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1479066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (p.dataAvail() < size) 1489066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1499066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Filter too short expected %d but got %d", size, p.dataAvail()); 1509066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *status = NOT_ENOUGH_DATA; 1519066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1529066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1539066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1549066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project const MetadataType *data = static_cast<const MetadataType*>(p.readInplace(size)); 1559066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1569066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (NULL == data) 1579066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1589066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project LOGE("Filter had no data"); 1599066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *status = BAD_VALUE; 1609066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return false; 1619066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1629066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1639066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // TODO: The stl impl of vector would be more efficient here 1649066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // because it degenerates into a memcpy on pod types. Try to 1659066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // replace later or use stl::set. 1669066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project for (size_t i = 0; i < num; ++i) 1679066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project { 1689066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project filter->add(*data); 1699066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project ++data; 1709066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project } 1719066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project *status = OK; 1729066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project return true; 1739066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project} 1749066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project 1759066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// @param filter Of metadata type. 1769066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// @param val To be searched. 1779066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project// @return true if a match was found. 1789066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Projectbool findMetadata(const SortedVector<MetadataType>& filter, const int32_t val) 1799066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project{ 1809066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project // Deal with empty and ANY right away 1819066cfe9886ac131c34d59ed0e2d287b0e3c0087The Android Open Source Project if (filter.isEmpty()) return false; 182 if (filter[0] == kAny) return true; 183 184 return filter.indexOf(val) >= 0; 185} 186 187} // anonymous namespace 188 189 190namespace android { 191 192// TODO: Temp hack until we can register players 193typedef struct { 194 const char *extension; 195 const player_type playertype; 196} extmap; 197extmap FILE_EXTS [] = { 198#if USE_STAGEFRIGHT 199 {".mp4", STAGEFRIGHT_PLAYER}, 200 {".3gp", STAGEFRIGHT_PLAYER}, 201#endif 202 {".mid", SONIVOX_PLAYER}, 203 {".midi", SONIVOX_PLAYER}, 204 {".smf", SONIVOX_PLAYER}, 205 {".xmf", SONIVOX_PLAYER}, 206 {".imy", SONIVOX_PLAYER}, 207 {".rtttl", SONIVOX_PLAYER}, 208 {".rtx", SONIVOX_PLAYER}, 209 {".ota", SONIVOX_PLAYER}, 210 {".ogg", VORBIS_PLAYER}, 211 {".oga", VORBIS_PLAYER}, 212}; 213 214// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround 215/* static */ const uint32_t MediaPlayerService::AudioOutput::kAudioVideoDelayMs = 96; 216/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4; 217/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false; 218 219void MediaPlayerService::instantiate() { 220 defaultServiceManager()->addService( 221 String16("media.player"), new MediaPlayerService()); 222} 223 224MediaPlayerService::MediaPlayerService() 225{ 226 LOGV("MediaPlayerService created"); 227 mNextConnId = 1; 228} 229 230MediaPlayerService::~MediaPlayerService() 231{ 232 LOGV("MediaPlayerService destroyed"); 233} 234 235sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(pid_t pid) 236{ 237#ifndef NO_OPENCORE 238 sp<MediaRecorderClient> recorder = new MediaRecorderClient(pid); 239#else 240 sp<MediaRecorderClient> recorder = NULL; 241#endif 242 LOGV("Create new media recorder client from pid %d", pid); 243 return recorder; 244} 245 246sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever(pid_t pid) 247{ 248 sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid); 249 LOGV("Create new media retriever from pid %d", pid); 250 return retriever; 251} 252 253sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client, const char* url) 254{ 255 int32_t connId = android_atomic_inc(&mNextConnId); 256 sp<Client> c = new Client(this, pid, connId, client); 257 LOGV("Create new client(%d) from pid %d, url=%s, connId=%d", connId, pid, url, connId); 258 if (NO_ERROR != c->setDataSource(url)) 259 { 260 c.clear(); 261 return c; 262 } 263 wp<Client> w = c; 264 Mutex::Autolock lock(mLock); 265 mClients.add(w); 266 return c; 267} 268 269sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client, 270 int fd, int64_t offset, int64_t length) 271{ 272 int32_t connId = android_atomic_inc(&mNextConnId); 273 sp<Client> c = new Client(this, pid, connId, client); 274 LOGV("Create new client(%d) from pid %d, fd=%d, offset=%lld, length=%lld", 275 connId, pid, fd, offset, length); 276 if (NO_ERROR != c->setDataSource(fd, offset, length)) { 277 c.clear(); 278 } else { 279 wp<Client> w = c; 280 Mutex::Autolock lock(mLock); 281 mClients.add(w); 282 } 283 ::close(fd); 284 return c; 285} 286 287sp<IOMX> MediaPlayerService::createOMX() { 288#ifdef BUILD_WITH_STAGEFRIGHT 289 return new OMX; 290#else 291 return NULL; 292#endif 293} 294 295status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const 296{ 297 const size_t SIZE = 256; 298 char buffer[SIZE]; 299 String8 result; 300 301 result.append(" AudioCache\n"); 302 if (mHeap != 0) { 303 snprintf(buffer, 255, " heap base(%p), size(%d), flags(%d), device(%s)\n", 304 mHeap->getBase(), mHeap->getSize(), mHeap->getFlags(), mHeap->getDevice()); 305 result.append(buffer); 306 } 307 snprintf(buffer, 255, " msec per frame(%f), channel count(%d), format(%d), frame count(%ld)\n", 308 mMsecsPerFrame, mChannelCount, mFormat, mFrameCount); 309 result.append(buffer); 310 snprintf(buffer, 255, " sample rate(%d), size(%d), error(%d), command complete(%s)\n", 311 mSampleRate, mSize, mError, mCommandComplete?"true":"false"); 312 result.append(buffer); 313 ::write(fd, result.string(), result.size()); 314 return NO_ERROR; 315} 316 317status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const 318{ 319 const size_t SIZE = 256; 320 char buffer[SIZE]; 321 String8 result; 322 323 result.append(" AudioOutput\n"); 324 snprintf(buffer, 255, " stream type(%d), left - right volume(%f, %f)\n", 325 mStreamType, mLeftVolume, mRightVolume); 326 result.append(buffer); 327 snprintf(buffer, 255, " msec per frame(%f), latency (%d)\n", 328 mMsecsPerFrame, mLatency); 329 result.append(buffer); 330 ::write(fd, result.string(), result.size()); 331 if (mTrack != 0) { 332 mTrack->dump(fd, args); 333 } 334 return NO_ERROR; 335} 336 337status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const 338{ 339 const size_t SIZE = 256; 340 char buffer[SIZE]; 341 String8 result; 342 result.append(" Client\n"); 343 snprintf(buffer, 255, " pid(%d), connId(%d), status(%d), looping(%s)\n", 344 mPid, mConnId, mStatus, mLoop?"true": "false"); 345 result.append(buffer); 346 write(fd, result.string(), result.size()); 347 if (mAudioOutput != 0) { 348 mAudioOutput->dump(fd, args); 349 } 350 write(fd, "\n", 1); 351 return NO_ERROR; 352} 353 354static int myTid() { 355#ifdef HAVE_GETTID 356 return gettid(); 357#else 358 return getpid(); 359#endif 360} 361 362#if defined(__arm__) 363extern "C" void get_malloc_leak_info(uint8_t** info, size_t* overallSize, 364 size_t* infoSize, size_t* totalMemory, size_t* backtraceSize); 365extern "C" void free_malloc_leak_info(uint8_t* info); 366 367void memStatus(int fd, const Vector<String16>& args) 368{ 369 const size_t SIZE = 256; 370 char buffer[SIZE]; 371 String8 result; 372 373 typedef struct { 374 size_t size; 375 size_t dups; 376 intptr_t * backtrace; 377 } AllocEntry; 378 379 uint8_t *info = NULL; 380 size_t overallSize = 0; 381 size_t infoSize = 0; 382 size_t totalMemory = 0; 383 size_t backtraceSize = 0; 384 385 get_malloc_leak_info(&info, &overallSize, &infoSize, &totalMemory, &backtraceSize); 386 if (info) { 387 uint8_t *ptr = info; 388 size_t count = overallSize / infoSize; 389 390 snprintf(buffer, SIZE, " Allocation count %i\n", count); 391 result.append(buffer); 392 393 AllocEntry * entries = new AllocEntry[count]; 394 395 for (size_t i = 0; i < count; i++) { 396 // Each entry should be size_t, size_t, intptr_t[backtraceSize] 397 AllocEntry *e = &entries[i]; 398 399 e->size = *reinterpret_cast<size_t *>(ptr); 400 ptr += sizeof(size_t); 401 402 e->dups = *reinterpret_cast<size_t *>(ptr); 403 ptr += sizeof(size_t); 404 405 e->backtrace = reinterpret_cast<intptr_t *>(ptr); 406 ptr += sizeof(intptr_t) * backtraceSize; 407 } 408 409 // Now we need to sort the entries. They come sorted by size but 410 // not by stack trace which causes problems using diff. 411 bool moved; 412 do { 413 moved = false; 414 for (size_t i = 0; i < (count - 1); i++) { 415 AllocEntry *e1 = &entries[i]; 416 AllocEntry *e2 = &entries[i+1]; 417 418 bool swap = e1->size < e2->size; 419 if (e1->size == e2->size) { 420 for(size_t j = 0; j < backtraceSize; j++) { 421 if (e1->backtrace[j] == e2->backtrace[j]) { 422 continue; 423 } 424 swap = e1->backtrace[j] < e2->backtrace[j]; 425 break; 426 } 427 } 428 if (swap) { 429 AllocEntry t = entries[i]; 430 entries[i] = entries[i+1]; 431 entries[i+1] = t; 432 moved = true; 433 } 434 } 435 } while (moved); 436 437 for (size_t i = 0; i < count; i++) { 438 AllocEntry *e = &entries[i]; 439 440 snprintf(buffer, SIZE, "size %8i, dup %4i", e->size, e->dups); 441 result.append(buffer); 442 for (size_t ct = 0; (ct < backtraceSize) && e->backtrace[ct]; ct++) { 443 if (ct) { 444 result.append(", "); 445 } 446 snprintf(buffer, SIZE, "0x%08x", e->backtrace[ct]); 447 result.append(buffer); 448 } 449 result.append("\n"); 450 } 451 452 delete[] entries; 453 free_malloc_leak_info(info); 454 } 455 456 write(fd, result.string(), result.size()); 457} 458#endif 459 460status_t MediaPlayerService::dump(int fd, const Vector<String16>& args) 461{ 462 const size_t SIZE = 256; 463 char buffer[SIZE]; 464 String8 result; 465 if (checkCallingPermission(String16("android.permission.DUMP")) == false) { 466 snprintf(buffer, SIZE, "Permission Denial: " 467 "can't dump MediaPlayerService from pid=%d, uid=%d\n", 468 IPCThreadState::self()->getCallingPid(), 469 IPCThreadState::self()->getCallingUid()); 470 result.append(buffer); 471 } else { 472 Mutex::Autolock lock(mLock); 473 for (int i = 0, n = mClients.size(); i < n; ++i) { 474 sp<Client> c = mClients[i].promote(); 475 if (c != 0) c->dump(fd, args); 476 } 477 result.append(" Files opened and/or mapped:\n"); 478 snprintf(buffer, SIZE, "/proc/%d/maps", myTid()); 479 FILE *f = fopen(buffer, "r"); 480 if (f) { 481 while (!feof(f)) { 482 fgets(buffer, SIZE, f); 483 if (strstr(buffer, " /sdcard/") || 484 strstr(buffer, " /system/sounds/") || 485 strstr(buffer, " /system/media/")) { 486 result.append(" "); 487 result.append(buffer); 488 } 489 } 490 fclose(f); 491 } else { 492 result.append("couldn't open "); 493 result.append(buffer); 494 result.append("\n"); 495 } 496 497 snprintf(buffer, SIZE, "/proc/%d/fd", myTid()); 498 DIR *d = opendir(buffer); 499 if (d) { 500 struct dirent *ent; 501 while((ent = readdir(d)) != NULL) { 502 if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) { 503 snprintf(buffer, SIZE, "/proc/%d/fd/%s", myTid(), ent->d_name); 504 struct stat s; 505 if (lstat(buffer, &s) == 0) { 506 if ((s.st_mode & S_IFMT) == S_IFLNK) { 507 char linkto[256]; 508 int len = readlink(buffer, linkto, sizeof(linkto)); 509 if(len > 0) { 510 if(len > 255) { 511 linkto[252] = '.'; 512 linkto[253] = '.'; 513 linkto[254] = '.'; 514 linkto[255] = 0; 515 } else { 516 linkto[len] = 0; 517 } 518 if (strstr(linkto, "/sdcard/") == linkto || 519 strstr(linkto, "/system/sounds/") == linkto || 520 strstr(linkto, "/system/media/") == linkto) { 521 result.append(" "); 522 result.append(buffer); 523 result.append(" -> "); 524 result.append(linkto); 525 result.append("\n"); 526 } 527 } 528 } else { 529 result.append(" unexpected type for "); 530 result.append(buffer); 531 result.append("\n"); 532 } 533 } 534 } 535 } 536 closedir(d); 537 } else { 538 result.append("couldn't open "); 539 result.append(buffer); 540 result.append("\n"); 541 } 542 543#if defined(__arm__) 544 bool dumpMem = false; 545 for (size_t i = 0; i < args.size(); i++) { 546 if (args[i] == String16("-m")) { 547 dumpMem = true; 548 } 549 } 550 if (dumpMem) { 551 memStatus(fd, args); 552 } 553#endif 554 } 555 write(fd, result.string(), result.size()); 556 return NO_ERROR; 557} 558 559void MediaPlayerService::removeClient(wp<Client> client) 560{ 561 Mutex::Autolock lock(mLock); 562 mClients.remove(client); 563} 564 565MediaPlayerService::Client::Client(const sp<MediaPlayerService>& service, pid_t pid, 566 int32_t connId, const sp<IMediaPlayerClient>& client) 567{ 568 LOGV("Client(%d) constructor", connId); 569 mPid = pid; 570 mConnId = connId; 571 mService = service; 572 mClient = client; 573 mLoop = false; 574 mStatus = NO_INIT; 575#if CALLBACK_ANTAGONIZER 576 LOGD("create Antagonizer"); 577 mAntagonizer = new Antagonizer(notify, this); 578#endif 579} 580 581MediaPlayerService::Client::~Client() 582{ 583 LOGV("Client(%d) destructor pid = %d", mConnId, mPid); 584 mAudioOutput.clear(); 585 wp<Client> client(this); 586 disconnect(); 587 mService->removeClient(client); 588} 589 590void MediaPlayerService::Client::disconnect() 591{ 592 LOGV("disconnect(%d) from pid %d", mConnId, mPid); 593 // grab local reference and clear main reference to prevent future 594 // access to object 595 sp<MediaPlayerBase> p; 596 { 597 Mutex::Autolock l(mLock); 598 p = mPlayer; 599 } 600 mClient.clear(); 601 602 mPlayer.clear(); 603 604 // clear the notification to prevent callbacks to dead client 605 // and reset the player. We assume the player will serialize 606 // access to itself if necessary. 607 if (p != 0) { 608 p->setNotifyCallback(0, 0); 609#if CALLBACK_ANTAGONIZER 610 LOGD("kill Antagonizer"); 611 mAntagonizer->kill(); 612#endif 613 p->reset(); 614 } 615 616 IPCThreadState::self()->flushCommands(); 617} 618 619static player_type getPlayerType(int fd, int64_t offset, int64_t length) 620{ 621 char buf[20]; 622 lseek(fd, offset, SEEK_SET); 623 read(fd, buf, sizeof(buf)); 624 lseek(fd, offset, SEEK_SET); 625 626 long ident = *((long*)buf); 627 628 // Ogg vorbis? 629 if (ident == 0x5367674f) // 'OggS' 630 return VORBIS_PLAYER; 631 632 // Some kind of MIDI? 633 EAS_DATA_HANDLE easdata; 634 if (EAS_Init(&easdata) == EAS_SUCCESS) { 635 EAS_FILE locator; 636 locator.path = NULL; 637 locator.fd = fd; 638 locator.offset = offset; 639 locator.length = length; 640 EAS_HANDLE eashandle; 641 if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) { 642 EAS_CloseFile(easdata, eashandle); 643 EAS_Shutdown(easdata); 644 return SONIVOX_PLAYER; 645 } 646 EAS_Shutdown(easdata); 647 } 648 649#if USE_STAGEFRIGHT 650 return STAGEFRIGHT_PLAYER; 651#endif 652 653 // Fall through to PV 654 return PV_PLAYER; 655} 656 657static player_type getPlayerType(const char* url) 658{ 659 // use MidiFile for MIDI extensions 660 int lenURL = strlen(url); 661 for (int i = 0; i < NELEM(FILE_EXTS); ++i) { 662 int len = strlen(FILE_EXTS[i].extension); 663 int start = lenURL - len; 664 if (start > 0) { 665 if (!strncmp(url + start, FILE_EXTS[i].extension, len)) { 666 return FILE_EXTS[i].playertype; 667 } 668 } 669 } 670 671#if USE_STAGEFRIGHT 672 return STAGEFRIGHT_PLAYER; 673#endif 674 675 // Fall through to PV 676 return PV_PLAYER; 677} 678 679static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie, 680 notify_callback_f notifyFunc) 681{ 682 sp<MediaPlayerBase> p; 683 switch (playerType) { 684#ifndef NO_OPENCORE 685 case PV_PLAYER: 686 LOGV(" create PVPlayer"); 687 p = new PVPlayer(); 688 break; 689#endif 690 case SONIVOX_PLAYER: 691 LOGV(" create MidiFile"); 692 p = new MidiFile(); 693 break; 694 case VORBIS_PLAYER: 695 LOGV(" create VorbisPlayer"); 696 p = new VorbisPlayer(); 697 break; 698#if USE_STAGEFRIGHT 699 case STAGEFRIGHT_PLAYER: 700 LOGV(" create StagefrightPlayer"); 701 p = new StagefrightPlayer; 702 break; 703#else 704 case STAGEFRIGHT_PLAYER: 705 LOG_ALWAYS_FATAL( 706 "Should not be here, stagefright player not enabled."); 707 break; 708#endif 709 } 710 if (p != NULL) { 711 if (p->initCheck() == NO_ERROR) { 712 p->setNotifyCallback(cookie, notifyFunc); 713 } else { 714 p.clear(); 715 } 716 } 717 if (p == NULL) { 718 LOGE("Failed to create player object"); 719 } 720 return p; 721} 722 723sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType) 724{ 725 // determine if we have the right player type 726 sp<MediaPlayerBase> p = mPlayer; 727 if ((p != NULL) && (p->playerType() != playerType)) { 728 LOGV("delete player"); 729 p.clear(); 730 } 731 if (p == NULL) { 732 p = android::createPlayer(playerType, this, notify); 733 } 734 return p; 735} 736 737status_t MediaPlayerService::Client::setDataSource(const char *url) 738{ 739 LOGV("setDataSource(%s)", url); 740 if (url == NULL) 741 return UNKNOWN_ERROR; 742 743 if (strncmp(url, "content://", 10) == 0) { 744 // get a filedescriptor for the content Uri and 745 // pass it to the setDataSource(fd) method 746 747 String16 url16(url); 748 int fd = android::openContentProviderFile(url16); 749 if (fd < 0) 750 { 751 LOGE("Couldn't open fd for %s", url); 752 return UNKNOWN_ERROR; 753 } 754 setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus 755 close(fd); 756 return mStatus; 757 } else { 758 player_type playerType = getPlayerType(url); 759 LOGV("player type = %d", playerType); 760 761 // create the right type of player 762 sp<MediaPlayerBase> p = createPlayer(playerType); 763 if (p == NULL) return NO_INIT; 764 765 if (!p->hardwareOutput()) { 766 mAudioOutput = new AudioOutput(); 767 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 768 } 769 770 // now set data source 771 LOGV(" setDataSource"); 772 mStatus = p->setDataSource(url); 773 if (mStatus == NO_ERROR) mPlayer = p; 774 return mStatus; 775 } 776} 777 778status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length) 779{ 780 LOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 781 struct stat sb; 782 int ret = fstat(fd, &sb); 783 if (ret != 0) { 784 LOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 785 return UNKNOWN_ERROR; 786 } 787 788 LOGV("st_dev = %llu", sb.st_dev); 789 LOGV("st_mode = %u", sb.st_mode); 790 LOGV("st_uid = %lu", sb.st_uid); 791 LOGV("st_gid = %lu", sb.st_gid); 792 LOGV("st_size = %llu", sb.st_size); 793 794 if (offset >= sb.st_size) { 795 LOGE("offset error"); 796 ::close(fd); 797 return UNKNOWN_ERROR; 798 } 799 if (offset + length > sb.st_size) { 800 length = sb.st_size - offset; 801 LOGV("calculated length = %lld", length); 802 } 803 804 player_type playerType = getPlayerType(fd, offset, length); 805 LOGV("player type = %d", playerType); 806 807 // create the right type of player 808 sp<MediaPlayerBase> p = createPlayer(playerType); 809 if (p == NULL) return NO_INIT; 810 811 if (!p->hardwareOutput()) { 812 mAudioOutput = new AudioOutput(); 813 static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput); 814 } 815 816 // now set data source 817 mStatus = p->setDataSource(fd, offset, length); 818 if (mStatus == NO_ERROR) mPlayer = p; 819 return mStatus; 820} 821 822status_t MediaPlayerService::Client::setVideoSurface(const sp<ISurface>& surface) 823{ 824 LOGV("[%d] setVideoSurface(%p)", mConnId, surface.get()); 825 sp<MediaPlayerBase> p = getPlayer(); 826 if (p == 0) return UNKNOWN_ERROR; 827 return p->setVideoSurface(surface); 828} 829 830status_t MediaPlayerService::Client::invoke(const Parcel& request, 831 Parcel *reply) 832{ 833 sp<MediaPlayerBase> p = getPlayer(); 834 if (p == NULL) return UNKNOWN_ERROR; 835 return p->invoke(request, reply); 836} 837 838// This call doesn't need to access the native player. 839status_t MediaPlayerService::Client::setMetadataFilter(const Parcel& filter) 840{ 841 status_t status; 842 SortedVector<MetadataType> allow, drop; 843 844 if (unmarshallFilter(filter, &allow, &status) && 845 unmarshallFilter(filter, &drop, &status)) { 846 Mutex::Autolock lock(mLock); 847 848 mMetadataAllow = allow; 849 mMetadataDrop = drop; 850 } 851 return status; 852} 853 854status_t MediaPlayerService::Client::getMetadata( 855 bool update_only, bool apply_filter, Parcel *reply) 856{ 857 status_t status; 858 reply->writeInt32(-1); // Placeholder for the return code 859 860 SortedVector<MetadataType> updates; 861 862 // We don't block notifications while we fetch the data. We clear 863 // mMetadataUpdated first so we don't lose notifications happening 864 // during the rest of this call. 865 { 866 Mutex::Autolock lock(mLock); 867 if (update_only) { 868 updates = mMetadataUpdated; 869 } 870 mMetadataUpdated.clear(); 871 } 872 873 // FIXME: Implement, query the native player and do the optional filtering, etc... 874 status = OK; 875 876 return status; 877} 878 879status_t MediaPlayerService::Client::prepareAsync() 880{ 881 LOGV("[%d] prepareAsync", mConnId); 882 sp<MediaPlayerBase> p = getPlayer(); 883 if (p == 0) return UNKNOWN_ERROR; 884 status_t ret = p->prepareAsync(); 885#if CALLBACK_ANTAGONIZER 886 LOGD("start Antagonizer"); 887 if (ret == NO_ERROR) mAntagonizer->start(); 888#endif 889 return ret; 890} 891 892status_t MediaPlayerService::Client::start() 893{ 894 LOGV("[%d] start", mConnId); 895 sp<MediaPlayerBase> p = getPlayer(); 896 if (p == 0) return UNKNOWN_ERROR; 897 p->setLooping(mLoop); 898 return p->start(); 899} 900 901status_t MediaPlayerService::Client::stop() 902{ 903 LOGV("[%d] stop", mConnId); 904 sp<MediaPlayerBase> p = getPlayer(); 905 if (p == 0) return UNKNOWN_ERROR; 906 return p->stop(); 907} 908 909status_t MediaPlayerService::Client::pause() 910{ 911 LOGV("[%d] pause", mConnId); 912 sp<MediaPlayerBase> p = getPlayer(); 913 if (p == 0) return UNKNOWN_ERROR; 914 return p->pause(); 915} 916 917status_t MediaPlayerService::Client::isPlaying(bool* state) 918{ 919 *state = false; 920 sp<MediaPlayerBase> p = getPlayer(); 921 if (p == 0) return UNKNOWN_ERROR; 922 *state = p->isPlaying(); 923 LOGV("[%d] isPlaying: %d", mConnId, *state); 924 return NO_ERROR; 925} 926 927status_t MediaPlayerService::Client::getCurrentPosition(int *msec) 928{ 929 LOGV("getCurrentPosition"); 930 sp<MediaPlayerBase> p = getPlayer(); 931 if (p == 0) return UNKNOWN_ERROR; 932 status_t ret = p->getCurrentPosition(msec); 933 if (ret == NO_ERROR) { 934 LOGV("[%d] getCurrentPosition = %d", mConnId, *msec); 935 } else { 936 LOGE("getCurrentPosition returned %d", ret); 937 } 938 return ret; 939} 940 941status_t MediaPlayerService::Client::getDuration(int *msec) 942{ 943 LOGV("getDuration"); 944 sp<MediaPlayerBase> p = getPlayer(); 945 if (p == 0) return UNKNOWN_ERROR; 946 status_t ret = p->getDuration(msec); 947 if (ret == NO_ERROR) { 948 LOGV("[%d] getDuration = %d", mConnId, *msec); 949 } else { 950 LOGE("getDuration returned %d", ret); 951 } 952 return ret; 953} 954 955status_t MediaPlayerService::Client::seekTo(int msec) 956{ 957 LOGV("[%d] seekTo(%d)", mConnId, msec); 958 sp<MediaPlayerBase> p = getPlayer(); 959 if (p == 0) return UNKNOWN_ERROR; 960 return p->seekTo(msec); 961} 962 963status_t MediaPlayerService::Client::reset() 964{ 965 LOGV("[%d] reset", mConnId); 966 sp<MediaPlayerBase> p = getPlayer(); 967 if (p == 0) return UNKNOWN_ERROR; 968 return p->reset(); 969} 970 971status_t MediaPlayerService::Client::setAudioStreamType(int type) 972{ 973 LOGV("[%d] setAudioStreamType(%d)", mConnId, type); 974 // TODO: for hardware output, call player instead 975 Mutex::Autolock l(mLock); 976 if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type); 977 return NO_ERROR; 978} 979 980status_t MediaPlayerService::Client::setLooping(int loop) 981{ 982 LOGV("[%d] setLooping(%d)", mConnId, loop); 983 mLoop = loop; 984 sp<MediaPlayerBase> p = getPlayer(); 985 if (p != 0) return p->setLooping(loop); 986 return NO_ERROR; 987} 988 989status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume) 990{ 991 LOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume); 992 // TODO: for hardware output, call player instead 993 Mutex::Autolock l(mLock); 994 if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume); 995 return NO_ERROR; 996} 997 998 999void MediaPlayerService::Client::notify(void* cookie, int msg, int ext1, int ext2) 1000{ 1001 Client* client = static_cast<Client*>(cookie); 1002 1003 if (MEDIA_INFO == msg && 1004 MEDIA_INFO_METADATA_UPDATE == ext1) { 1005 const MetadataType metadata_type = ext2; 1006 1007 if(client->shouldDropMetadata(metadata_type)) { 1008 return; 1009 } 1010 1011 // Update the list of metadata that have changed. getMetadata 1012 // also access mMetadataUpdated and clears it. 1013 client->addNewMetadataUpdate(metadata_type); 1014 } 1015 LOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2); 1016 client->mClient->notify(msg, ext1, ext2); 1017} 1018 1019 1020bool MediaPlayerService::Client::shouldDropMetadata(MetadataType code) const 1021{ 1022 Mutex::Autolock lock(mLock); 1023 1024 if (findMetadata(mMetadataDrop, code)) { 1025 return true; 1026 } 1027 1028 if (mMetadataAllow.isEmpty() || findMetadata(mMetadataAllow, code)) { 1029 return false; 1030 } else { 1031 return true; 1032 } 1033} 1034 1035 1036void MediaPlayerService::Client::addNewMetadataUpdate(MetadataType metadata_type) { 1037 Mutex::Autolock lock(mLock); 1038 if (mMetadataUpdated.indexOf(metadata_type) < 0) { 1039 mMetadataUpdated.add(metadata_type); 1040 } 1041} 1042 1043#if CALLBACK_ANTAGONIZER 1044const int Antagonizer::interval = 10000; // 10 msecs 1045 1046Antagonizer::Antagonizer(notify_callback_f cb, void* client) : 1047 mExit(false), mActive(false), mClient(client), mCb(cb) 1048{ 1049 createThread(callbackThread, this); 1050} 1051 1052void Antagonizer::kill() 1053{ 1054 Mutex::Autolock _l(mLock); 1055 mActive = false; 1056 mExit = true; 1057 mCondition.wait(mLock); 1058} 1059 1060int Antagonizer::callbackThread(void* user) 1061{ 1062 LOGD("Antagonizer started"); 1063 Antagonizer* p = reinterpret_cast<Antagonizer*>(user); 1064 while (!p->mExit) { 1065 if (p->mActive) { 1066 LOGV("send event"); 1067 p->mCb(p->mClient, 0, 0, 0); 1068 } 1069 usleep(interval); 1070 } 1071 Mutex::Autolock _l(p->mLock); 1072 p->mCondition.signal(); 1073 LOGD("Antagonizer stopped"); 1074 return 0; 1075} 1076#endif 1077 1078static size_t kDefaultHeapSize = 1024 * 1024; // 1MB 1079 1080sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1081{ 1082 LOGV("decode(%s)", url); 1083 sp<MemoryBase> mem; 1084 sp<MediaPlayerBase> player; 1085 1086 // Protect our precious, precious DRMd ringtones by only allowing 1087 // decoding of http, but not filesystem paths or content Uris. 1088 // If the application wants to decode those, it should open a 1089 // filedescriptor for them and use that. 1090 if (url != NULL && strncmp(url, "http://", 7) != 0) { 1091 LOGD("Can't decode %s by path, use filedescriptor instead", url); 1092 return mem; 1093 } 1094 1095 player_type playerType = getPlayerType(url); 1096 LOGV("player type = %d", playerType); 1097 1098 // create the right type of player 1099 sp<AudioCache> cache = new AudioCache(url); 1100 player = android::createPlayer(playerType, cache.get(), cache->notify); 1101 if (player == NULL) goto Exit; 1102 if (player->hardwareOutput()) goto Exit; 1103 1104 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1105 1106 // set data source 1107 if (player->setDataSource(url) != NO_ERROR) goto Exit; 1108 1109 LOGV("prepare"); 1110 player->prepareAsync(); 1111 1112 LOGV("wait for prepare"); 1113 if (cache->wait() != NO_ERROR) goto Exit; 1114 1115 LOGV("start"); 1116 player->start(); 1117 1118 LOGV("wait for playback complete"); 1119 if (cache->wait() != NO_ERROR) goto Exit; 1120 1121 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1122 *pSampleRate = cache->sampleRate(); 1123 *pNumChannels = cache->channelCount(); 1124 *pFormat = cache->format(); 1125 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1126 1127Exit: 1128 if (player != 0) player->reset(); 1129 return mem; 1130} 1131 1132sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat) 1133{ 1134 LOGV("decode(%d, %lld, %lld)", fd, offset, length); 1135 sp<MemoryBase> mem; 1136 sp<MediaPlayerBase> player; 1137 1138 player_type playerType = getPlayerType(fd, offset, length); 1139 LOGV("player type = %d", playerType); 1140 1141 // create the right type of player 1142 sp<AudioCache> cache = new AudioCache("decode_fd"); 1143 player = android::createPlayer(playerType, cache.get(), cache->notify); 1144 if (player == NULL) goto Exit; 1145 if (player->hardwareOutput()) goto Exit; 1146 1147 static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache); 1148 1149 // set data source 1150 if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit; 1151 1152 LOGV("prepare"); 1153 player->prepareAsync(); 1154 1155 LOGV("wait for prepare"); 1156 if (cache->wait() != NO_ERROR) goto Exit; 1157 1158 LOGV("start"); 1159 player->start(); 1160 1161 LOGV("wait for playback complete"); 1162 if (cache->wait() != NO_ERROR) goto Exit; 1163 1164 mem = new MemoryBase(cache->getHeap(), 0, cache->size()); 1165 *pSampleRate = cache->sampleRate(); 1166 *pNumChannels = cache->channelCount(); 1167 *pFormat = cache->format(); 1168 LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat); 1169 1170Exit: 1171 if (player != 0) player->reset(); 1172 ::close(fd); 1173 return mem; 1174} 1175 1176#undef LOG_TAG 1177#define LOG_TAG "AudioSink" 1178MediaPlayerService::AudioOutput::AudioOutput() 1179 : mCallback(NULL), 1180 mCallbackCookie(NULL) { 1181 mTrack = 0; 1182 mStreamType = AudioSystem::MUSIC; 1183 mLeftVolume = 1.0; 1184 mRightVolume = 1.0; 1185 mLatency = 0; 1186 mMsecsPerFrame = 0; 1187 setMinBufferCount(); 1188} 1189 1190MediaPlayerService::AudioOutput::~AudioOutput() 1191{ 1192 close(); 1193} 1194 1195void MediaPlayerService::AudioOutput::setMinBufferCount() 1196{ 1197 char value[PROPERTY_VALUE_MAX]; 1198 if (property_get("ro.kernel.qemu", value, 0)) { 1199 mIsOnEmulator = true; 1200 mMinBufferCount = 12; // to prevent systematic buffer underrun for emulator 1201 } 1202} 1203 1204bool MediaPlayerService::AudioOutput::isOnEmulator() 1205{ 1206 setMinBufferCount(); 1207 return mIsOnEmulator; 1208} 1209 1210int MediaPlayerService::AudioOutput::getMinBufferCount() 1211{ 1212 setMinBufferCount(); 1213 return mMinBufferCount; 1214} 1215 1216ssize_t MediaPlayerService::AudioOutput::bufferSize() const 1217{ 1218 if (mTrack == 0) return NO_INIT; 1219 return mTrack->frameCount() * frameSize(); 1220} 1221 1222ssize_t MediaPlayerService::AudioOutput::frameCount() const 1223{ 1224 if (mTrack == 0) return NO_INIT; 1225 return mTrack->frameCount(); 1226} 1227 1228ssize_t MediaPlayerService::AudioOutput::channelCount() const 1229{ 1230 if (mTrack == 0) return NO_INIT; 1231 return mTrack->channelCount(); 1232} 1233 1234ssize_t MediaPlayerService::AudioOutput::frameSize() const 1235{ 1236 if (mTrack == 0) return NO_INIT; 1237 return mTrack->frameSize(); 1238} 1239 1240uint32_t MediaPlayerService::AudioOutput::latency () const 1241{ 1242 return mLatency; 1243} 1244 1245float MediaPlayerService::AudioOutput::msecsPerFrame() const 1246{ 1247 return mMsecsPerFrame; 1248} 1249 1250status_t MediaPlayerService::AudioOutput::open( 1251 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1252 AudioCallback cb, void *cookie) 1253{ 1254 mCallback = cb; 1255 mCallbackCookie = cookie; 1256 1257 // Check argument "bufferCount" against the mininum buffer count 1258 if (bufferCount < mMinBufferCount) { 1259 LOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount); 1260 bufferCount = mMinBufferCount; 1261 1262 } 1263 LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount); 1264 if (mTrack) close(); 1265 int afSampleRate; 1266 int afFrameCount; 1267 int frameCount; 1268 1269 if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) { 1270 return NO_INIT; 1271 } 1272 if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) { 1273 return NO_INIT; 1274 } 1275 1276 frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate; 1277 1278 AudioTrack *t; 1279 if (mCallback != NULL) { 1280 t = new AudioTrack( 1281 mStreamType, sampleRate, format, channelCount, frameCount, 1282 0 /* flags */, CallbackWrapper, this); 1283 } else { 1284 t = new AudioTrack( 1285 mStreamType, sampleRate, format, channelCount, frameCount); 1286 } 1287 1288 if ((t == 0) || (t->initCheck() != NO_ERROR)) { 1289 LOGE("Unable to create audio track"); 1290 delete t; 1291 return NO_INIT; 1292 } 1293 1294 LOGV("setVolume"); 1295 t->setVolume(mLeftVolume, mRightVolume); 1296 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1297 mLatency = t->latency() + kAudioVideoDelayMs; 1298 mTrack = t; 1299 return NO_ERROR; 1300} 1301 1302void MediaPlayerService::AudioOutput::start() 1303{ 1304 LOGV("start"); 1305 if (mTrack) { 1306 mTrack->setVolume(mLeftVolume, mRightVolume); 1307 mTrack->start(); 1308 } 1309} 1310 1311ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size) 1312{ 1313 LOG_FATAL_IF(mCallback != NULL, "Don't call write if supplying a callback."); 1314 1315 //LOGV("write(%p, %u)", buffer, size); 1316 if (mTrack) return mTrack->write(buffer, size); 1317 return NO_INIT; 1318} 1319 1320void MediaPlayerService::AudioOutput::stop() 1321{ 1322 LOGV("stop"); 1323 if (mTrack) mTrack->stop(); 1324} 1325 1326void MediaPlayerService::AudioOutput::flush() 1327{ 1328 LOGV("flush"); 1329 if (mTrack) mTrack->flush(); 1330} 1331 1332void MediaPlayerService::AudioOutput::pause() 1333{ 1334 LOGV("pause"); 1335 if (mTrack) mTrack->pause(); 1336} 1337 1338void MediaPlayerService::AudioOutput::close() 1339{ 1340 LOGV("close"); 1341 delete mTrack; 1342 mTrack = 0; 1343} 1344 1345void MediaPlayerService::AudioOutput::setVolume(float left, float right) 1346{ 1347 LOGV("setVolume(%f, %f)", left, right); 1348 mLeftVolume = left; 1349 mRightVolume = right; 1350 if (mTrack) { 1351 mTrack->setVolume(left, right); 1352 } 1353} 1354 1355// static 1356void MediaPlayerService::AudioOutput::CallbackWrapper( 1357 int event, void *cookie, void *info) { 1358 if (event != AudioTrack::EVENT_MORE_DATA) { 1359 return; 1360 } 1361 1362 AudioOutput *me = (AudioOutput *)cookie; 1363 AudioTrack::Buffer *buffer = (AudioTrack::Buffer *)info; 1364 1365 (*me->mCallback)( 1366 me, buffer->raw, buffer->size, me->mCallbackCookie); 1367} 1368 1369#undef LOG_TAG 1370#define LOG_TAG "AudioCache" 1371MediaPlayerService::AudioCache::AudioCache(const char* name) : 1372 mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0), 1373 mError(NO_ERROR), mCommandComplete(false) 1374{ 1375 // create ashmem heap 1376 mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name); 1377} 1378 1379uint32_t MediaPlayerService::AudioCache::latency () const 1380{ 1381 return 0; 1382} 1383 1384float MediaPlayerService::AudioCache::msecsPerFrame() const 1385{ 1386 return mMsecsPerFrame; 1387} 1388 1389status_t MediaPlayerService::AudioCache::open( 1390 uint32_t sampleRate, int channelCount, int format, int bufferCount, 1391 AudioCallback cb, void *cookie) 1392{ 1393 if (cb != NULL) { 1394 return UNKNOWN_ERROR; // TODO: implement this. 1395 } 1396 1397 LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount); 1398 if (mHeap->getHeapID() < 0) return NO_INIT; 1399 mSampleRate = sampleRate; 1400 mChannelCount = (uint16_t)channelCount; 1401 mFormat = (uint16_t)format; 1402 mMsecsPerFrame = 1.e3 / (float) sampleRate; 1403 return NO_ERROR; 1404} 1405 1406ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size) 1407{ 1408 LOGV("write(%p, %u)", buffer, size); 1409 if ((buffer == 0) || (size == 0)) return size; 1410 1411 uint8_t* p = static_cast<uint8_t*>(mHeap->getBase()); 1412 if (p == NULL) return NO_INIT; 1413 p += mSize; 1414 LOGV("memcpy(%p, %p, %u)", p, buffer, size); 1415 if (mSize + size > mHeap->getSize()) { 1416 LOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize()); 1417 size = mHeap->getSize() - mSize; 1418 } 1419 memcpy(p, buffer, size); 1420 mSize += size; 1421 return size; 1422} 1423 1424// call with lock held 1425status_t MediaPlayerService::AudioCache::wait() 1426{ 1427 Mutex::Autolock lock(mLock); 1428 if (!mCommandComplete) { 1429 mSignal.wait(mLock); 1430 } 1431 mCommandComplete = false; 1432 1433 if (mError == NO_ERROR) { 1434 LOGV("wait - success"); 1435 } else { 1436 LOGV("wait - error"); 1437 } 1438 return mError; 1439} 1440 1441void MediaPlayerService::AudioCache::notify(void* cookie, int msg, int ext1, int ext2) 1442{ 1443 LOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2); 1444 AudioCache* p = static_cast<AudioCache*>(cookie); 1445 1446 // ignore buffering messages 1447 if (msg == MEDIA_BUFFERING_UPDATE) return; 1448 1449 // set error condition 1450 if (msg == MEDIA_ERROR) { 1451 LOGE("Error %d, %d occurred", ext1, ext2); 1452 p->mError = ext1; 1453 } 1454 1455 // wake up thread 1456 LOGV("wakeup thread"); 1457 p->mCommandComplete = true; 1458 p->mSignal.signal(); 1459} 1460 1461}; // namespace android 1462