auto import from //depot/cupcake/@135843
diff --git a/media/libmediaplayerservice/MediaPlayerService.cpp b/media/libmediaplayerservice/MediaPlayerService.cpp
new file mode 100644
index 0000000..40705c6
--- /dev/null
+++ b/media/libmediaplayerservice/MediaPlayerService.cpp
@@ -0,0 +1,1173 @@
+/*
+**
+** Copyright 2008, The Android Open Source Project
+**
+** Licensed under the Apache License, Version 2.0 (the "License");
+** you may not use this file except in compliance with the License.
+** You may obtain a copy of the License at
+**
+**     http://www.apache.org/licenses/LICENSE-2.0
+**
+** Unless required by applicable law or agreed to in writing, software
+** distributed under the License is distributed on an "AS IS" BASIS,
+** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+** See the License for the specific language governing permissions and
+** limitations under the License.
+*/
+
+// Proxy for media player implementations
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MediaPlayerService"
+#include <utils/Log.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <dirent.h>
+#include <unistd.h>
+
+#include <string.h>
+#include <cutils/atomic.h>
+
+#include <android_runtime/ActivityManager.h>
+#include <utils/IPCThreadState.h>
+#include <utils/IServiceManager.h>
+#include <utils/MemoryHeapBase.h>
+#include <utils/MemoryBase.h>
+#include <cutils/properties.h>
+
+#include <media/MediaPlayerInterface.h>
+#include <media/mediarecorder.h>
+#include <media/MediaMetadataRetrieverInterface.h>
+#include <media/AudioTrack.h>
+
+#include "MediaRecorderClient.h"
+#include "MediaPlayerService.h"
+#include "MetadataRetrieverClient.h"
+
+#include "MidiFile.h"
+#include "VorbisPlayer.h"
+#include <media/PVPlayer.h>
+
+/* desktop Linux needs a little help with gettid() */
+#if defined(HAVE_GETTID) && !defined(HAVE_ANDROID_OS)
+#define __KERNEL__
+# include <linux/unistd.h>
+#ifdef _syscall0
+_syscall0(pid_t,gettid)
+#else
+pid_t gettid() { return syscall(__NR_gettid);}
+#endif
+#undef __KERNEL__
+#endif
+
+
+namespace android {
+
+// TODO: Temp hack until we can register players
+typedef struct {
+    const char *extension;
+    const player_type playertype;
+} extmap;
+extmap FILE_EXTS [] =  {
+        {".mid", SONIVOX_PLAYER},
+        {".midi", SONIVOX_PLAYER},
+        {".smf", SONIVOX_PLAYER},
+        {".xmf", SONIVOX_PLAYER},
+        {".imy", SONIVOX_PLAYER},
+        {".rtttl", SONIVOX_PLAYER},
+        {".rtx", SONIVOX_PLAYER},
+        {".ota", SONIVOX_PLAYER},
+        {".ogg", VORBIS_PLAYER},
+        {".oga", VORBIS_PLAYER},
+};
+
+// TODO: Find real cause of Audio/Video delay in PV framework and remove this workaround
+/* static */ const uint32_t MediaPlayerService::AudioOutput::kAudioVideoDelayMs = 96;
+/* static */ int MediaPlayerService::AudioOutput::mMinBufferCount = 4;
+/* static */ bool MediaPlayerService::AudioOutput::mIsOnEmulator = false;
+
+void MediaPlayerService::instantiate() {
+    defaultServiceManager()->addService(
+            String16("media.player"), new MediaPlayerService());
+}
+
+MediaPlayerService::MediaPlayerService()
+{
+    LOGV("MediaPlayerService created");
+    mNextConnId = 1;
+}
+
+MediaPlayerService::~MediaPlayerService()
+{
+    LOGV("MediaPlayerService destroyed");
+}
+
+sp<IMediaRecorder> MediaPlayerService::createMediaRecorder(pid_t pid)
+{
+    sp<MediaRecorderClient> recorder = new MediaRecorderClient(pid);
+    LOGV("Create new media recorder client from pid %d", pid);
+    return recorder;
+}
+
+sp<IMediaMetadataRetriever> MediaPlayerService::createMetadataRetriever(pid_t pid)
+{
+    sp<MetadataRetrieverClient> retriever = new MetadataRetrieverClient(pid);
+    LOGV("Create new media retriever from pid %d", pid);
+    return retriever;
+}
+
+sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client, const char* url)
+{
+    int32_t connId = android_atomic_inc(&mNextConnId);
+    sp<Client> c = new Client(this, pid, connId, client);
+    LOGV("Create new client(%d) from pid %d, url=%s, connId=%d", connId, pid, url, connId);
+    if (NO_ERROR != c->setDataSource(url))
+    {
+        c.clear();
+        return c;
+    }
+    wp<Client> w = c;
+    Mutex::Autolock lock(mLock);
+    mClients.add(w);
+    return c;
+}
+
+sp<IMediaPlayer> MediaPlayerService::create(pid_t pid, const sp<IMediaPlayerClient>& client,
+        int fd, int64_t offset, int64_t length)
+{
+    int32_t connId = android_atomic_inc(&mNextConnId);
+    sp<Client> c = new Client(this, pid, connId, client);
+    LOGV("Create new client(%d) from pid %d, fd=%d, offset=%lld, length=%lld",
+            connId, pid, fd, offset, length);
+    if (NO_ERROR != c->setDataSource(fd, offset, length)) {
+        c.clear();
+    } else {
+        wp<Client> w = c;
+        Mutex::Autolock lock(mLock);
+        mClients.add(w);
+    }
+    ::close(fd);
+    return c;
+}
+
+status_t MediaPlayerService::AudioCache::dump(int fd, const Vector<String16>& args) const
+{
+    const size_t SIZE = 256;
+    char buffer[SIZE];
+    String8 result;
+
+    result.append(" AudioCache\n");
+    if (mHeap != 0) {
+        snprintf(buffer, 255, "  heap base(%p), size(%d), flags(%d), device(%s)\n",
+                mHeap->getBase(), mHeap->getSize(), mHeap->getFlags(), mHeap->getDevice());
+        result.append(buffer);
+    }
+    snprintf(buffer, 255, "  msec per frame(%f), channel count(%d), format(%d), frame count(%ld)\n",
+            mMsecsPerFrame, mChannelCount, mFormat, mFrameCount);
+    result.append(buffer);
+    snprintf(buffer, 255, "  sample rate(%d), size(%d), error(%d), command complete(%s)\n",
+            mSampleRate, mSize, mError, mCommandComplete?"true":"false");
+    result.append(buffer);
+    ::write(fd, result.string(), result.size());
+    return NO_ERROR;
+}
+
+status_t MediaPlayerService::AudioOutput::dump(int fd, const Vector<String16>& args) const
+{
+    const size_t SIZE = 256;
+    char buffer[SIZE];
+    String8 result;
+
+    result.append(" AudioOutput\n");
+    snprintf(buffer, 255, "  stream type(%d), left - right volume(%f, %f)\n",
+            mStreamType, mLeftVolume, mRightVolume);
+    result.append(buffer);
+    snprintf(buffer, 255, "  msec per frame(%f), latency (%d)\n",
+            mMsecsPerFrame, mLatency);
+    result.append(buffer);
+    ::write(fd, result.string(), result.size());
+    if (mTrack != 0) {
+        mTrack->dump(fd, args);
+    }
+    return NO_ERROR;
+}
+
+status_t MediaPlayerService::Client::dump(int fd, const Vector<String16>& args) const
+{
+    const size_t SIZE = 256;
+    char buffer[SIZE];
+    String8 result;
+    result.append(" Client\n");
+    snprintf(buffer, 255, "  pid(%d), connId(%d), status(%d), looping(%s)\n",
+            mPid, mConnId, mStatus, mLoop?"true": "false");
+    result.append(buffer);
+    write(fd, result.string(), result.size());
+    if (mAudioOutput != 0) {
+        mAudioOutput->dump(fd, args);
+    }
+    write(fd, "\n", 1);
+    return NO_ERROR;
+}
+
+static int myTid() {
+#ifdef HAVE_GETTID
+    return gettid();
+#else
+    return getpid();
+#endif
+}
+
+#if defined(__arm__)
+extern "C" void get_malloc_leak_info(uint8_t** info, size_t* overallSize,
+        size_t* infoSize, size_t* totalMemory, size_t* backtraceSize);
+extern "C" void free_malloc_leak_info(uint8_t* info);
+
+void memStatus(int fd, const Vector<String16>& args)
+{
+    const size_t SIZE = 256;
+    char buffer[SIZE];
+    String8 result;
+
+    typedef struct {
+        size_t size;
+        size_t dups;
+        intptr_t * backtrace;
+    } AllocEntry;
+
+    uint8_t *info = NULL;
+    size_t overallSize = 0;
+    size_t infoSize = 0;
+    size_t totalMemory = 0;
+    size_t backtraceSize = 0;
+
+    get_malloc_leak_info(&info, &overallSize, &infoSize, &totalMemory, &backtraceSize);
+    if (info) {
+        uint8_t *ptr = info;
+        size_t count = overallSize / infoSize;
+
+        snprintf(buffer, SIZE, " Allocation count %i\n", count);
+        result.append(buffer);
+
+        AllocEntry * entries = new AllocEntry[count];
+
+        for (size_t i = 0; i < count; i++) {
+            // Each entry should be size_t, size_t, intptr_t[backtraceSize]
+            AllocEntry *e = &entries[i];
+
+            e->size = *reinterpret_cast<size_t *>(ptr);
+            ptr += sizeof(size_t);
+
+            e->dups = *reinterpret_cast<size_t *>(ptr);
+            ptr += sizeof(size_t);
+
+            e->backtrace = reinterpret_cast<intptr_t *>(ptr);
+            ptr += sizeof(intptr_t) * backtraceSize;
+        }
+
+        // Now we need to sort the entries.  They come sorted by size but
+        // not by stack trace which causes problems using diff.
+        bool moved;
+        do {
+            moved = false;
+            for (size_t i = 0; i < (count - 1); i++) {
+                AllocEntry *e1 = &entries[i];
+                AllocEntry *e2 = &entries[i+1];
+
+                bool swap = e1->size < e2->size;
+                if (e1->size == e2->size) {
+                    for(size_t j = 0; j < backtraceSize; j++) {
+                        if (e1->backtrace[j] == e2->backtrace[j]) {
+                            continue;
+                        }
+                        swap = e1->backtrace[j] < e2->backtrace[j];
+                        break;
+                    }
+                }
+                if (swap) {
+                    AllocEntry t = entries[i];
+                    entries[i] = entries[i+1];
+                    entries[i+1] = t;
+                    moved = true;
+                }
+            }
+        } while (moved);
+
+        for (size_t i = 0; i < count; i++) {
+            AllocEntry *e = &entries[i];
+
+            snprintf(buffer, SIZE, "size %8i, dup %4i", e->size, e->dups);
+            result.append(buffer);
+            for (size_t ct = 0; (ct < backtraceSize) && e->backtrace[ct]; ct++) {
+                if (ct) {
+                    result.append(", ");
+                }
+                snprintf(buffer, SIZE, "0x%08x", e->backtrace[ct]);
+                result.append(buffer);
+            }
+            result.append("\n");
+        }
+
+        delete[] entries;
+        free_malloc_leak_info(info);
+    }
+
+    write(fd, result.string(), result.size());
+}
+#endif
+
+status_t MediaPlayerService::dump(int fd, const Vector<String16>& args)
+{
+    const size_t SIZE = 256;
+    char buffer[SIZE];
+    String8 result;
+    if (checkCallingPermission(String16("android.permission.DUMP")) == false) {
+        snprintf(buffer, SIZE, "Permission Denial: "
+                "can't dump MediaPlayerService from pid=%d, uid=%d\n",
+                IPCThreadState::self()->getCallingPid(),
+                IPCThreadState::self()->getCallingUid());
+        result.append(buffer);
+    } else {
+        Mutex::Autolock lock(mLock);
+        for (int i = 0, n = mClients.size(); i < n; ++i) {
+            sp<Client> c = mClients[i].promote();
+            if (c != 0) c->dump(fd, args);
+        }
+        result.append(" Files opened and/or mapped:\n");
+        snprintf(buffer, SIZE, "/proc/%d/maps", myTid());
+        FILE *f = fopen(buffer, "r");
+        if (f) {
+            while (!feof(f)) {
+                fgets(buffer, SIZE, f);
+                if (strstr(buffer, " /sdcard/") ||
+                    strstr(buffer, " /system/sounds/") ||
+                    strstr(buffer, " /system/media/")) {
+                    result.append("  ");
+                    result.append(buffer);
+                }
+            }
+            fclose(f);
+        } else {
+            result.append("couldn't open ");
+            result.append(buffer);
+            result.append("\n");
+        }
+
+        snprintf(buffer, SIZE, "/proc/%d/fd", myTid());
+        DIR *d = opendir(buffer);
+        if (d) {
+            struct dirent *ent;
+            while((ent = readdir(d)) != NULL) {
+                if (strcmp(ent->d_name,".") && strcmp(ent->d_name,"..")) {
+                    snprintf(buffer, SIZE, "/proc/%d/fd/%s", myTid(), ent->d_name);
+                    struct stat s;
+                    if (lstat(buffer, &s) == 0) {
+                        if ((s.st_mode & S_IFMT) == S_IFLNK) {
+                            char linkto[256];
+                            int len = readlink(buffer, linkto, sizeof(linkto));
+                            if(len > 0) {
+                                if(len > 255) {
+                                    linkto[252] = '.';
+                                    linkto[253] = '.';
+                                    linkto[254] = '.';
+                                    linkto[255] = 0;
+                                } else {
+                                    linkto[len] = 0;
+                                }
+                                if (strstr(linkto, "/sdcard/") == linkto ||
+                                    strstr(linkto, "/system/sounds/") == linkto ||
+                                    strstr(linkto, "/system/media/") == linkto) {
+                                    result.append("  ");
+                                    result.append(buffer);
+                                    result.append(" -> ");
+                                    result.append(linkto);
+                                    result.append("\n");
+                                }
+                            }
+                        } else {
+                            result.append("  unexpected type for ");
+                            result.append(buffer);
+                            result.append("\n");
+                        }
+                    }
+                }
+            }
+            closedir(d);
+        } else {
+            result.append("couldn't open ");
+            result.append(buffer);
+            result.append("\n");
+        }
+
+#if defined(__arm__)
+        bool dumpMem = false;
+        for (size_t i = 0; i < args.size(); i++) {
+            if (args[i] == String16("-m")) {
+                dumpMem = true;
+            }
+        }
+        if (dumpMem) {
+            memStatus(fd, args);
+        }
+#endif
+    }
+    write(fd, result.string(), result.size());
+    return NO_ERROR;
+}
+
+void MediaPlayerService::removeClient(wp<Client> client)
+{
+    Mutex::Autolock lock(mLock);
+    mClients.remove(client);
+}
+
+MediaPlayerService::Client::Client(const sp<MediaPlayerService>& service, pid_t pid,
+        int32_t connId, const sp<IMediaPlayerClient>& client)
+{
+    LOGV("Client(%d) constructor", connId);
+    mPid = pid;
+    mConnId = connId;
+    mService = service;
+    mClient = client;
+    mLoop = false;
+    mStatus = NO_INIT;
+#if CALLBACK_ANTAGONIZER
+    LOGD("create Antagonizer");
+    mAntagonizer = new Antagonizer(notify, this);
+#endif
+}
+
+MediaPlayerService::Client::~Client()
+{
+    LOGV("Client(%d) destructor pid = %d", mConnId, mPid);
+    mAudioOutput.clear();
+    wp<Client> client(this);
+    disconnect();
+    mService->removeClient(client);
+}
+
+void MediaPlayerService::Client::disconnect()
+{
+    LOGV("disconnect(%d) from pid %d", mConnId, mPid);
+    // grab local reference and clear main reference to prevent future
+    // access to object
+    sp<MediaPlayerBase> p;
+    {
+        Mutex::Autolock l(mLock);
+        p = mPlayer;
+    }
+    mPlayer.clear();
+
+    // clear the notification to prevent callbacks to dead client
+    // and reset the player. We assume the player will serialize
+    // access to itself if necessary.
+    if (p != 0) {
+        p->setNotifyCallback(0, 0);
+#if CALLBACK_ANTAGONIZER
+        LOGD("kill Antagonizer");
+        mAntagonizer->kill();
+#endif
+        p->reset();
+    }
+
+    IPCThreadState::self()->flushCommands();
+}
+
+static player_type getPlayerType(int fd, int64_t offset, int64_t length)
+{
+    char buf[20];
+    lseek(fd, offset, SEEK_SET);
+    read(fd, buf, sizeof(buf));
+    lseek(fd, offset, SEEK_SET);
+
+    long ident = *((long*)buf);
+
+    // Ogg vorbis?
+    if (ident == 0x5367674f) // 'OggS'
+        return VORBIS_PLAYER;
+
+    // Some kind of MIDI?
+    EAS_DATA_HANDLE easdata;
+    if (EAS_Init(&easdata) == EAS_SUCCESS) {
+        EAS_FILE locator;
+        locator.path = NULL;
+        locator.fd = fd;
+        locator.offset = offset;
+        locator.length = length;
+        EAS_HANDLE  eashandle;
+        if (EAS_OpenFile(easdata, &locator, &eashandle) == EAS_SUCCESS) {
+            EAS_CloseFile(easdata, eashandle);
+            EAS_Shutdown(easdata);
+            return SONIVOX_PLAYER;
+        }
+        EAS_Shutdown(easdata);
+    }
+
+    // Fall through to PV
+    return PV_PLAYER;
+}
+
+static player_type getPlayerType(const char* url)
+{
+
+    // use MidiFile for MIDI extensions
+    int lenURL = strlen(url);
+    for (int i = 0; i < NELEM(FILE_EXTS); ++i) {
+        int len = strlen(FILE_EXTS[i].extension);
+        int start = lenURL - len;
+        if (start > 0) {
+            if (!strncmp(url + start, FILE_EXTS[i].extension, len)) {
+                return FILE_EXTS[i].playertype;
+            }
+        }
+    }
+
+    // Fall through to PV
+    return PV_PLAYER;
+}
+
+static sp<MediaPlayerBase> createPlayer(player_type playerType, void* cookie,
+        notify_callback_f notifyFunc)
+{
+    sp<MediaPlayerBase> p;
+    switch (playerType) {
+        case PV_PLAYER:
+            LOGV(" create PVPlayer");
+            p = new PVPlayer();
+            break;
+        case SONIVOX_PLAYER:
+            LOGV(" create MidiFile");
+            p = new MidiFile();
+            break;
+        case VORBIS_PLAYER:
+            LOGV(" create VorbisPlayer");
+            p = new VorbisPlayer();
+            break;
+    }
+    if (p != NULL) {
+        if (p->initCheck() == NO_ERROR) {
+            p->setNotifyCallback(cookie, notifyFunc);
+        } else {
+            p.clear();
+        }
+    }
+    if (p == NULL) {
+        LOGE("Failed to create player object");
+    }
+    return p;
+}
+
+sp<MediaPlayerBase> MediaPlayerService::Client::createPlayer(player_type playerType)
+{
+    // determine if we have the right player type
+    sp<MediaPlayerBase> p = mPlayer;
+    if ((p != NULL) && (p->playerType() != playerType)) {
+        LOGV("delete player");
+        p.clear();
+    }
+    if (p == NULL) {
+        p = android::createPlayer(playerType, this, notify);
+    }
+    return p;
+}
+
+status_t MediaPlayerService::Client::setDataSource(const char *url)
+{
+    LOGV("setDataSource(%s)", url);
+    if (url == NULL)
+        return UNKNOWN_ERROR;
+
+    if (strncmp(url, "content://", 10) == 0) {
+        // get a filedescriptor for the content Uri and
+        // pass it to the setDataSource(fd) method
+
+        String16 url16(url);
+        int fd = android::openContentProviderFile(url16);
+        if (fd < 0)
+        {
+            LOGE("Couldn't open fd for %s", url);
+            return UNKNOWN_ERROR;
+        }
+        setDataSource(fd, 0, 0x7fffffffffLL); // this sets mStatus
+        close(fd);
+        return mStatus;
+    } else {
+        player_type playerType = getPlayerType(url);
+        LOGV("player type = %d", playerType);
+
+        // create the right type of player
+        sp<MediaPlayerBase> p = createPlayer(playerType);
+        if (p == NULL) return NO_INIT;
+
+        if (!p->hardwareOutput()) {
+            mAudioOutput = new AudioOutput();
+            static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput);
+        }
+
+        // now set data source
+        LOGV(" setDataSource");
+        mStatus = p->setDataSource(url);
+        if (mStatus == NO_ERROR) mPlayer = p;
+        return mStatus;
+    }
+}
+
+status_t MediaPlayerService::Client::setDataSource(int fd, int64_t offset, int64_t length)
+{
+    LOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length);
+    struct stat sb;
+    int ret = fstat(fd, &sb);
+    if (ret != 0) {
+        LOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno));
+        return UNKNOWN_ERROR;
+    }
+
+    LOGV("st_dev  = %llu", sb.st_dev);
+    LOGV("st_mode = %u", sb.st_mode);
+    LOGV("st_uid  = %lu", sb.st_uid);
+    LOGV("st_gid  = %lu", sb.st_gid);
+    LOGV("st_size = %llu", sb.st_size);
+
+    if (offset >= sb.st_size) {
+        LOGE("offset error");
+        ::close(fd);
+        return UNKNOWN_ERROR;
+    }
+    if (offset + length > sb.st_size) {
+        length = sb.st_size - offset;
+        LOGV("calculated length = %lld", length);
+    }
+
+    player_type playerType = getPlayerType(fd, offset, length);
+    LOGV("player type = %d", playerType);
+
+    // create the right type of player
+    sp<MediaPlayerBase> p = createPlayer(playerType);
+    if (p == NULL) return NO_INIT;
+
+    if (!p->hardwareOutput()) {
+        mAudioOutput = new AudioOutput();
+        static_cast<MediaPlayerInterface*>(p.get())->setAudioSink(mAudioOutput);
+    }
+
+    // now set data source
+    mStatus = p->setDataSource(fd, offset, length);
+    if (mStatus == NO_ERROR) mPlayer = p;
+    return mStatus;
+}
+
+status_t MediaPlayerService::Client::setVideoSurface(const sp<ISurface>& surface)
+{
+    LOGV("[%d] setVideoSurface(%p)", mConnId, surface.get());
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    return p->setVideoSurface(surface);
+}
+
+status_t MediaPlayerService::Client::prepareAsync()
+{
+    LOGV("[%d] prepareAsync", mConnId);
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    status_t ret = p->prepareAsync();
+#if CALLBACK_ANTAGONIZER
+    LOGD("start Antagonizer");
+    if (ret == NO_ERROR) mAntagonizer->start();
+#endif
+    return ret;
+}
+
+status_t MediaPlayerService::Client::start()
+{
+    LOGV("[%d] start", mConnId);
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    p->setLooping(mLoop);
+    return p->start();
+}
+
+status_t MediaPlayerService::Client::stop()
+{
+    LOGV("[%d] stop", mConnId);
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    return p->stop();
+}
+
+status_t MediaPlayerService::Client::pause()
+{
+    LOGV("[%d] pause", mConnId);
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    return p->pause();
+}
+
+status_t MediaPlayerService::Client::isPlaying(bool* state)
+{
+    *state = false;
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    *state = p->isPlaying();
+    LOGV("[%d] isPlaying: %d", mConnId, *state);
+    return NO_ERROR;
+}
+
+status_t MediaPlayerService::Client::getCurrentPosition(int *msec)
+{
+    LOGV("getCurrentPosition");
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    status_t ret = p->getCurrentPosition(msec);
+    if (ret == NO_ERROR) {
+        LOGV("[%d] getCurrentPosition = %d", mConnId, *msec);
+    } else {
+        LOGE("getCurrentPosition returned %d", ret);
+    }
+    return ret;
+}
+
+status_t MediaPlayerService::Client::getDuration(int *msec)
+{
+    LOGV("getDuration");
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    status_t ret = p->getDuration(msec);
+    if (ret == NO_ERROR) {
+        LOGV("[%d] getDuration = %d", mConnId, *msec);
+    } else {
+        LOGE("getDuration returned %d", ret);
+    }
+    return ret;
+}
+
+status_t MediaPlayerService::Client::seekTo(int msec)
+{
+    LOGV("[%d] seekTo(%d)", mConnId, msec);
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    return p->seekTo(msec);
+}
+
+status_t MediaPlayerService::Client::reset()
+{
+    LOGV("[%d] reset", mConnId);
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p == 0) return UNKNOWN_ERROR;
+    return p->reset();
+}
+
+status_t MediaPlayerService::Client::setAudioStreamType(int type)
+{
+    LOGV("[%d] setAudioStreamType(%d)", mConnId, type);
+    // TODO: for hardware output, call player instead
+    Mutex::Autolock l(mLock);
+    if (mAudioOutput != 0) mAudioOutput->setAudioStreamType(type);
+    return NO_ERROR;
+}
+
+status_t MediaPlayerService::Client::setLooping(int loop)
+{
+    LOGV("[%d] setLooping(%d)", mConnId, loop);
+    mLoop = loop;
+    sp<MediaPlayerBase> p = getPlayer();
+    if (p != 0) return p->setLooping(loop);
+    return NO_ERROR;
+}
+
+status_t MediaPlayerService::Client::setVolume(float leftVolume, float rightVolume)
+{
+    LOGV("[%d] setVolume(%f, %f)", mConnId, leftVolume, rightVolume);
+    // TODO: for hardware output, call player instead
+    Mutex::Autolock l(mLock);
+    if (mAudioOutput != 0) mAudioOutput->setVolume(leftVolume, rightVolume);
+    return NO_ERROR;
+}
+
+void MediaPlayerService::Client::notify(void* cookie, int msg, int ext1, int ext2)
+{
+    Client* client = static_cast<Client*>(cookie);
+    LOGV("[%d] notify (%p, %d, %d, %d)", client->mConnId, cookie, msg, ext1, ext2);
+    client->mClient->notify(msg, ext1, ext2);
+}
+
+#if CALLBACK_ANTAGONIZER
+const int Antagonizer::interval = 10000; // 10 msecs
+
+Antagonizer::Antagonizer(notify_callback_f cb, void* client) :
+    mExit(false), mActive(false), mClient(client), mCb(cb)
+{
+    createThread(callbackThread, this);
+}
+
+void Antagonizer::kill()
+{
+    Mutex::Autolock _l(mLock);
+    mActive = false;
+    mExit = true;
+    mCondition.wait(mLock);
+}
+
+int Antagonizer::callbackThread(void* user)
+{
+    LOGD("Antagonizer started");
+    Antagonizer* p = reinterpret_cast<Antagonizer*>(user);
+    while (!p->mExit) {
+        if (p->mActive) {
+            LOGV("send event");
+            p->mCb(p->mClient, 0, 0, 0);
+        }
+        usleep(interval);
+    }
+    Mutex::Autolock _l(p->mLock);
+    p->mCondition.signal();
+    LOGD("Antagonizer stopped");
+    return 0;
+}
+#endif
+
+static size_t kDefaultHeapSize = 1024 * 1024; // 1MB
+
+sp<IMemory> MediaPlayerService::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat)
+{
+    LOGV("decode(%s)", url);
+    sp<MemoryBase> mem;
+    sp<MediaPlayerBase> player;
+
+    // Protect our precious, precious DRMd ringtones by only allowing
+    // decoding of http, but not filesystem paths or content Uris.
+    // If the application wants to decode those, it should open a
+    // filedescriptor for them and use that.
+    if (url != NULL && strncmp(url, "http://", 7) != 0) {
+        LOGD("Can't decode %s by path, use filedescriptor instead", url);
+        return mem;
+    }
+
+    player_type playerType = getPlayerType(url);
+    LOGV("player type = %d", playerType);
+
+    // create the right type of player
+    sp<AudioCache> cache = new AudioCache(url);
+    player = android::createPlayer(playerType, cache.get(), cache->notify);
+    if (player == NULL) goto Exit;
+    if (player->hardwareOutput()) goto Exit;
+
+    static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache);
+
+    // set data source
+    if (player->setDataSource(url) != NO_ERROR) goto Exit;
+
+    LOGV("prepare");
+    player->prepareAsync();
+
+    LOGV("wait for prepare");
+    if (cache->wait() != NO_ERROR) goto Exit;
+
+    LOGV("start");
+    player->start();
+
+    LOGV("wait for playback complete");
+    if (cache->wait() != NO_ERROR) goto Exit;
+
+    mem = new MemoryBase(cache->getHeap(), 0, cache->size());
+    *pSampleRate = cache->sampleRate();
+    *pNumChannels = cache->channelCount();
+    *pFormat = cache->format();
+    LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat);
+
+Exit:
+    if (player != 0) player->reset();
+    return mem;
+}
+
+sp<IMemory> MediaPlayerService::decode(int fd, int64_t offset, int64_t length, uint32_t *pSampleRate, int* pNumChannels, int* pFormat)
+{
+    LOGV("decode(%d, %lld, %lld)", fd, offset, length);
+    sp<MemoryBase> mem;
+    sp<MediaPlayerBase> player;
+
+    player_type playerType = getPlayerType(fd, offset, length);
+    LOGV("player type = %d", playerType);
+
+    // create the right type of player
+    sp<AudioCache> cache = new AudioCache("decode_fd");
+    player = android::createPlayer(playerType, cache.get(), cache->notify);
+    if (player == NULL) goto Exit;
+    if (player->hardwareOutput()) goto Exit;
+
+    static_cast<MediaPlayerInterface*>(player.get())->setAudioSink(cache);
+
+    // set data source
+    if (player->setDataSource(fd, offset, length) != NO_ERROR) goto Exit;
+
+    LOGV("prepare");
+    player->prepareAsync();
+
+    LOGV("wait for prepare");
+    if (cache->wait() != NO_ERROR) goto Exit;
+
+    LOGV("start");
+    player->start();
+
+    LOGV("wait for playback complete");
+    if (cache->wait() != NO_ERROR) goto Exit;
+
+    mem = new MemoryBase(cache->getHeap(), 0, cache->size());
+    *pSampleRate = cache->sampleRate();
+    *pNumChannels = cache->channelCount();
+    *pFormat = cache->format();
+    LOGV("return memory @ %p, sampleRate=%u, channelCount = %d, format = %d", mem->pointer(), *pSampleRate, *pNumChannels, *pFormat);
+
+Exit:
+    if (player != 0) player->reset();
+    ::close(fd);
+    return mem;
+}
+
+#undef LOG_TAG
+#define LOG_TAG "AudioSink"
+MediaPlayerService::AudioOutput::AudioOutput()
+{
+    mTrack = 0;
+    mStreamType = AudioSystem::MUSIC;
+    mLeftVolume = 1.0;
+    mRightVolume = 1.0;
+    mLatency = 0;
+    mMsecsPerFrame = 0;
+    setMinBufferCount();
+}
+
+MediaPlayerService::AudioOutput::~AudioOutput()
+{
+    close();
+}
+
+void MediaPlayerService::AudioOutput::setMinBufferCount()
+{
+    char value[PROPERTY_VALUE_MAX];
+    if (property_get("ro.kernel.qemu", value, 0)) {
+        mIsOnEmulator = true;
+        mMinBufferCount = 12;  // to prevent systematic buffer underrun for emulator
+    }
+}
+
+bool MediaPlayerService::AudioOutput::isOnEmulator()
+{
+    setMinBufferCount();
+    return mIsOnEmulator;
+}
+
+int MediaPlayerService::AudioOutput::getMinBufferCount()
+{
+    setMinBufferCount();
+    return mMinBufferCount;
+}
+
+ssize_t MediaPlayerService::AudioOutput::bufferSize() const
+{
+    if (mTrack == 0) return NO_INIT;
+    return mTrack->frameCount() * frameSize();
+}
+
+ssize_t MediaPlayerService::AudioOutput::frameCount() const
+{
+    if (mTrack == 0) return NO_INIT;
+    return mTrack->frameCount();
+}
+
+ssize_t MediaPlayerService::AudioOutput::channelCount() const
+{
+    if (mTrack == 0) return NO_INIT;
+    return mTrack->channelCount();
+}
+
+ssize_t MediaPlayerService::AudioOutput::frameSize() const
+{
+    if (mTrack == 0) return NO_INIT;
+    return mTrack->frameSize();
+}
+
+uint32_t MediaPlayerService::AudioOutput::latency () const
+{
+    return mLatency;
+}
+
+float MediaPlayerService::AudioOutput::msecsPerFrame() const
+{
+    return mMsecsPerFrame;
+}
+
+status_t MediaPlayerService::AudioOutput::open(uint32_t sampleRate, int channelCount, int format, int bufferCount)
+{
+    // Check argument "bufferCount" against the mininum buffer count
+    if (bufferCount < mMinBufferCount) {
+        LOGD("bufferCount (%d) is too small and increased to %d", bufferCount, mMinBufferCount);
+        bufferCount = mMinBufferCount;
+
+    }
+    LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount);
+    if (mTrack) close();
+    int afSampleRate;
+    int afFrameCount;
+    int frameCount;
+
+    if (AudioSystem::getOutputFrameCount(&afFrameCount, mStreamType) != NO_ERROR) {
+        return NO_INIT;
+    }
+    if (AudioSystem::getOutputSamplingRate(&afSampleRate, mStreamType) != NO_ERROR) {
+        return NO_INIT;
+    }
+
+    frameCount = (sampleRate*afFrameCount*bufferCount)/afSampleRate;
+    AudioTrack *t = new AudioTrack(mStreamType, sampleRate, format, channelCount, frameCount);
+    if ((t == 0) || (t->initCheck() != NO_ERROR)) {
+        LOGE("Unable to create audio track");
+        delete t;
+        return NO_INIT;
+    }
+
+    LOGV("setVolume");
+    t->setVolume(mLeftVolume, mRightVolume);
+    mMsecsPerFrame = 1.e3 / (float) sampleRate;
+    mLatency = t->latency() + kAudioVideoDelayMs;
+    mTrack = t;
+    return NO_ERROR;
+}
+
+void MediaPlayerService::AudioOutput::start()
+{
+    LOGV("start");
+    if (mTrack) {
+        mTrack->setVolume(mLeftVolume, mRightVolume);
+        mTrack->start();
+    }
+}
+
+ssize_t MediaPlayerService::AudioOutput::write(const void* buffer, size_t size)
+{
+    //LOGV("write(%p, %u)", buffer, size);
+    if (mTrack) return mTrack->write(buffer, size);
+    return NO_INIT;
+}
+
+void MediaPlayerService::AudioOutput::stop()
+{
+    LOGV("stop");
+    if (mTrack) mTrack->stop();
+}
+
+void MediaPlayerService::AudioOutput::flush()
+{
+    LOGV("flush");
+    if (mTrack) mTrack->flush();
+}
+
+void MediaPlayerService::AudioOutput::pause()
+{
+    LOGV("pause");
+    if (mTrack) mTrack->pause();
+}
+
+void MediaPlayerService::AudioOutput::close()
+{
+    LOGV("close");
+    delete mTrack;
+    mTrack = 0;
+}
+
+void MediaPlayerService::AudioOutput::setVolume(float left, float right)
+{
+    LOGV("setVolume(%f, %f)", left, right);
+    mLeftVolume = left;
+    mRightVolume = right;
+    if (mTrack) {
+        mTrack->setVolume(left, right);
+    }
+}
+
+#undef LOG_TAG
+#define LOG_TAG "AudioCache"
+MediaPlayerService::AudioCache::AudioCache(const char* name) :
+    mChannelCount(0), mFrameCount(1024), mSampleRate(0), mSize(0),
+    mError(NO_ERROR), mCommandComplete(false)
+{
+    // create ashmem heap
+    mHeap = new MemoryHeapBase(kDefaultHeapSize, 0, name);
+}
+
+uint32_t MediaPlayerService::AudioCache::latency () const
+{
+    return 0;
+}
+
+float MediaPlayerService::AudioCache::msecsPerFrame() const
+{
+    return mMsecsPerFrame;
+}
+
+status_t MediaPlayerService::AudioCache::open(uint32_t sampleRate, int channelCount, int format, int bufferCount)
+{
+    LOGV("open(%u, %d, %d, %d)", sampleRate, channelCount, format, bufferCount);
+    if (mHeap->getHeapID() < 0) return NO_INIT;
+    mSampleRate = sampleRate;
+    mChannelCount = (uint16_t)channelCount;
+    mFormat = (uint16_t)format;
+    mMsecsPerFrame = 1.e3 / (float) sampleRate;
+    return NO_ERROR;
+}
+
+ssize_t MediaPlayerService::AudioCache::write(const void* buffer, size_t size)
+{
+    LOGV("write(%p, %u)", buffer, size);
+    if ((buffer == 0) || (size == 0)) return size;
+
+    uint8_t* p = static_cast<uint8_t*>(mHeap->getBase());
+    if (p == NULL) return NO_INIT;
+    p += mSize;
+    LOGV("memcpy(%p, %p, %u)", p, buffer, size);
+    if (mSize + size > mHeap->getSize()) {
+        LOGE("Heap size overflow! req size: %d, max size: %d", (mSize + size), mHeap->getSize());
+        size = mHeap->getSize() - mSize;
+    }
+    memcpy(p, buffer, size);
+    mSize += size;
+    return size;
+}
+
+// call with lock held
+status_t MediaPlayerService::AudioCache::wait()
+{
+    Mutex::Autolock lock(mLock);
+    if (!mCommandComplete) {
+        mSignal.wait(mLock);
+    }
+    mCommandComplete = false;
+
+    if (mError == NO_ERROR) {
+        LOGV("wait - success");
+    } else {
+        LOGV("wait - error");
+    }
+    return mError;
+}
+
+void MediaPlayerService::AudioCache::notify(void* cookie, int msg, int ext1, int ext2)
+{
+    LOGV("notify(%p, %d, %d, %d)", cookie, msg, ext1, ext2);
+    AudioCache* p = static_cast<AudioCache*>(cookie);
+
+    // ignore buffering messages
+    if (msg == MEDIA_BUFFERING_UPDATE) return;
+
+    // set error condition
+    if (msg == MEDIA_ERROR) {
+        LOGE("Error %d, %d occurred", ext1, ext2);
+        p->mError = ext1;
+    }
+
+    // wake up thread
+    LOGV("wakeup thread");
+    p->mCommandComplete = true;
+    p->mSignal.signal();
+}
+
+}; // namespace android