auto import from //depot/cupcake/@135843
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
new file mode 100644
index 0000000..bd8579c
--- /dev/null
+++ b/media/libmedia/mediaplayer.cpp
@@ -0,0 +1,624 @@
+/* mediaplayer.cpp
+**
+** Copyright 2006, 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.
+*/
+
+//#define LOG_NDEBUG 0
+#define LOG_TAG "MediaPlayer"
+#include <utils/Log.h>
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <unistd.h>
+#include <fcntl.h>
+
+#include <utils/IServiceManager.h>
+#include <utils/IPCThreadState.h>
+
+#include <media/mediaplayer.h>
+#include <media/AudioTrack.h>
+
+#include <utils/MemoryBase.h>
+
+namespace android {
+
+// client singleton for binder interface to service
+Mutex MediaPlayer::sServiceLock;
+sp<IMediaPlayerService> MediaPlayer::sMediaPlayerService;
+sp<MediaPlayer::DeathNotifier> MediaPlayer::sDeathNotifier;
+SortedVector< wp<MediaPlayer> > MediaPlayer::sObitRecipients;
+
+// establish binder interface to service
+const sp<IMediaPlayerService>& MediaPlayer::getMediaPlayerService()
+{
+    Mutex::Autolock _l(sServiceLock);
+    if (sMediaPlayerService.get() == 0) {
+        sp<IServiceManager> sm = defaultServiceManager();
+        sp<IBinder> binder;
+        do {
+            binder = sm->getService(String16("media.player"));
+            if (binder != 0)
+                break;
+            LOGW("MediaPlayerService not published, waiting...");
+            usleep(500000); // 0.5 s
+        } while(true);
+        if (sDeathNotifier == NULL) {
+            sDeathNotifier = new DeathNotifier();
+        }
+        binder->linkToDeath(sDeathNotifier);
+        sMediaPlayerService = interface_cast<IMediaPlayerService>(binder);
+    }
+    LOGE_IF(sMediaPlayerService==0, "no MediaPlayerService!?");
+    return sMediaPlayerService;
+}
+
+void MediaPlayer::addObitRecipient(const wp<MediaPlayer>& recipient)
+{
+    Mutex::Autolock _l(sServiceLock);
+    sObitRecipients.add(recipient);
+}
+
+void MediaPlayer::removeObitRecipient(const wp<MediaPlayer>& recipient)
+{
+    Mutex::Autolock _l(sServiceLock);
+    sObitRecipients.remove(recipient);
+}
+
+MediaPlayer::MediaPlayer()
+{
+    LOGV("constructor");
+    mListener = NULL;
+    mCookie = NULL;
+    mDuration = -1;
+    mStreamType = AudioSystem::MUSIC;
+    mCurrentPosition = -1;
+    mSeekPosition = -1;
+    mCurrentState = MEDIA_PLAYER_IDLE;
+    mPrepareSync = false;
+    mPrepareStatus = NO_ERROR;
+    mLoop = false;
+    mLeftVolume = mRightVolume = 1.0;
+    mVideoWidth = mVideoHeight = 0;
+}
+
+void MediaPlayer::onFirstRef()
+{
+    addObitRecipient(this);
+}
+
+MediaPlayer::~MediaPlayer()
+{
+    LOGV("destructor");
+    removeObitRecipient(this);
+    disconnect();
+    IPCThreadState::self()->flushCommands();
+}
+
+void MediaPlayer::disconnect()
+{
+    LOGV("disconnect");
+    sp<IMediaPlayer> p;
+    {
+        Mutex::Autolock _l(mLock);
+        p = mPlayer;
+        mPlayer.clear();
+    }
+
+    if (p != 0) {
+        p->disconnect();
+    }
+}
+
+// always call with lock held
+void MediaPlayer::clear_l()
+{
+    mDuration = -1;
+    mCurrentPosition = -1;
+    mSeekPosition = -1;
+    mVideoWidth = mVideoHeight = 0;
+}
+
+status_t MediaPlayer::setListener(const sp<MediaPlayerListener>& listener)
+{
+    LOGV("setListener");
+    Mutex::Autolock _l(mLock);
+    mListener = listener;
+    return NO_ERROR;
+}
+
+
+status_t MediaPlayer::setDataSource(const sp<IMediaPlayer>& player)
+{
+    status_t err = UNKNOWN_ERROR;
+    sp<IMediaPlayer> p;
+    { // scope for the lock
+        Mutex::Autolock _l(mLock);
+
+        if ( !( mCurrentState & ( MEDIA_PLAYER_IDLE | MEDIA_PLAYER_STATE_ERROR ) ) ) {
+            LOGE("setDataSource called in state %d", mCurrentState);
+            return INVALID_OPERATION;
+        }
+
+        clear_l();
+        p = mPlayer;
+        mPlayer = player;
+        if (player != 0) {
+            mCurrentState = MEDIA_PLAYER_INITIALIZED;
+            err = NO_ERROR;
+        } else {
+            LOGE("Unable to to create media player");
+        }
+    }
+
+    if (p != 0) {
+        p->disconnect();
+    }
+
+    return err;
+}
+
+status_t MediaPlayer::setDataSource(const char *url)
+{
+    LOGV("setDataSource(%s)", url);
+    status_t err = BAD_VALUE;
+    if (url != NULL) {
+        const sp<IMediaPlayerService>& service(getMediaPlayerService());
+        if (service != 0) {
+            sp<IMediaPlayer> player(service->create(getpid(), this, url));
+            err = setDataSource(player);
+        }
+    }
+    return err;
+}
+
+status_t MediaPlayer::setDataSource(int fd, int64_t offset, int64_t length)
+{
+    LOGV("setDataSource(%d, %lld, %lld)", fd, offset, length);
+    status_t err = UNKNOWN_ERROR;
+    const sp<IMediaPlayerService>& service(getMediaPlayerService());
+    if (service != 0) {
+        sp<IMediaPlayer> player(service->create(getpid(), this, fd, offset, length));
+        err = setDataSource(player);
+    }
+    return err;
+}
+
+status_t MediaPlayer::setVideoSurface(const sp<Surface>& surface)
+{
+    LOGV("setVideoSurface");
+    Mutex::Autolock _l(mLock);
+    if (mPlayer == 0) return NO_INIT;
+    return  mPlayer->setVideoSurface(surface->getISurface());
+}
+
+// must call with lock held
+status_t MediaPlayer::prepareAsync_l()
+{
+    if ( (mPlayer != 0) && ( mCurrentState & ( MEDIA_PLAYER_INITIALIZED | MEDIA_PLAYER_STOPPED) ) ) {
+        mPlayer->setAudioStreamType(mStreamType);
+        mCurrentState = MEDIA_PLAYER_PREPARING;
+        return mPlayer->prepareAsync();
+    }
+    LOGE("prepareAsync called in state %d", mCurrentState);
+    return INVALID_OPERATION;
+}
+
+status_t MediaPlayer::prepare()
+{
+    LOGV("prepare");
+    Mutex::Autolock _l(mLock);
+    if (mPrepareSync) return -EALREADY;
+    mPrepareSync = true;
+    status_t ret = prepareAsync_l();
+    if (ret != NO_ERROR) return ret;
+
+    if (mPrepareSync) {
+        mSignal.wait(mLock);  // wait for prepare done
+        mPrepareSync = false;
+    }
+    LOGV("prepare complete - status=%d", mPrepareStatus);
+    return mPrepareStatus;
+}
+
+status_t MediaPlayer::prepareAsync()
+{
+    LOGV("prepareAsync");
+    Mutex::Autolock _l(mLock);
+    return prepareAsync_l();
+}
+
+status_t MediaPlayer::start()
+{
+    LOGV("start");
+    Mutex::Autolock _l(mLock);
+    if (mCurrentState & MEDIA_PLAYER_STARTED)
+        return NO_ERROR;
+    if ( (mPlayer != 0) && ( mCurrentState & ( MEDIA_PLAYER_PREPARED |
+                    MEDIA_PLAYER_PLAYBACK_COMPLETE | MEDIA_PLAYER_PAUSED ) ) ) {
+        mPlayer->setLooping(mLoop);
+        mPlayer->setVolume(mLeftVolume, mRightVolume);
+        mCurrentState = MEDIA_PLAYER_STARTED;
+        status_t ret = mPlayer->start();
+        if (ret != NO_ERROR) {
+            mCurrentState = MEDIA_PLAYER_STATE_ERROR;
+        } else {
+            if (mCurrentState == MEDIA_PLAYER_PLAYBACK_COMPLETE) {
+                LOGV("playback completed immediately following start()");
+            }
+        }
+        return ret;
+    }
+    LOGE("start called in state %d", mCurrentState);
+    return INVALID_OPERATION;
+}
+
+status_t MediaPlayer::stop()
+{
+    LOGV("stop");
+    Mutex::Autolock _l(mLock);
+    if (mCurrentState & MEDIA_PLAYER_STOPPED) return NO_ERROR;
+    if ( (mPlayer != 0) && ( mCurrentState & ( MEDIA_PLAYER_STARTED | MEDIA_PLAYER_PREPARED |
+                    MEDIA_PLAYER_PAUSED | MEDIA_PLAYER_PLAYBACK_COMPLETE ) ) ) {
+        status_t ret = mPlayer->stop();
+        if (ret != NO_ERROR) {
+            mCurrentState = MEDIA_PLAYER_STATE_ERROR;
+        } else {
+            mCurrentState = MEDIA_PLAYER_STOPPED;
+        }
+        return ret;
+    }
+    LOGE("stop called in state %d", mCurrentState);
+    return INVALID_OPERATION;
+}
+
+status_t MediaPlayer::pause()
+{
+    LOGV("pause");
+    Mutex::Autolock _l(mLock);
+    if (mCurrentState & MEDIA_PLAYER_PAUSED)
+        return NO_ERROR;
+    if ((mPlayer != 0) && (mCurrentState & MEDIA_PLAYER_STARTED)) {
+        status_t ret = mPlayer->pause();
+        if (ret != NO_ERROR) {
+            mCurrentState = MEDIA_PLAYER_STATE_ERROR;
+        } else {
+            mCurrentState = MEDIA_PLAYER_PAUSED;
+        }
+        return ret;
+    }
+    LOGE("pause called in state %d", mCurrentState);
+    return INVALID_OPERATION;
+}
+
+bool MediaPlayer::isPlaying()
+{
+    Mutex::Autolock _l(mLock);
+    if (mPlayer != 0) {
+        bool temp = false;
+        mPlayer->isPlaying(&temp);
+        LOGV("isPlaying: %d", temp);
+        if ((mCurrentState & MEDIA_PLAYER_STARTED) && ! temp) {
+            LOGE("internal/external state mismatch corrected");
+            mCurrentState = MEDIA_PLAYER_PAUSED;
+        }
+        return temp;
+    }
+    LOGV("isPlaying: no active player");
+    return false;
+}
+
+status_t MediaPlayer::getVideoWidth(int *w)
+{
+    LOGV("getVideoWidth");
+    Mutex::Autolock _l(mLock);
+    if (mPlayer == 0) return INVALID_OPERATION;
+    *w = mVideoWidth;
+    return NO_ERROR;
+}
+
+status_t MediaPlayer::getVideoHeight(int *h)
+{
+    LOGV("getVideoHeight");
+    Mutex::Autolock _l(mLock);
+    if (mPlayer == 0) return INVALID_OPERATION;
+    *h = mVideoHeight;
+    return NO_ERROR;
+}
+
+status_t MediaPlayer::getCurrentPosition(int *msec)
+{
+    LOGV("getCurrentPosition");
+    Mutex::Autolock _l(mLock);
+    if (mPlayer != 0) {
+        if (mCurrentPosition >= 0) {
+            LOGV("Using cached seek position: %d", mCurrentPosition);
+            *msec = mCurrentPosition;
+            return NO_ERROR;
+        }
+        return mPlayer->getCurrentPosition(msec);
+    }
+    return INVALID_OPERATION;
+}
+
+status_t MediaPlayer::getDuration_l(int *msec)
+{
+    LOGV("getDuration");
+    bool isValidState = (mCurrentState & (MEDIA_PLAYER_PREPARED | MEDIA_PLAYER_STARTED | MEDIA_PLAYER_PAUSED | MEDIA_PLAYER_STOPPED | MEDIA_PLAYER_PLAYBACK_COMPLETE));
+    if (mPlayer != 0 && isValidState) {
+        status_t ret = NO_ERROR;
+        if (mDuration <= 0)
+            ret = mPlayer->getDuration(&mDuration);
+        if (msec)
+            *msec = mDuration;
+        return ret;
+    }
+    LOGE("Attempt to call getDuration without a valid mediaplayer");
+    return INVALID_OPERATION;
+}
+
+status_t MediaPlayer::getDuration(int *msec)
+{
+    Mutex::Autolock _l(mLock);
+    return getDuration_l(msec);
+}
+
+status_t MediaPlayer::seekTo_l(int msec)
+{
+    LOGV("seekTo %d", msec);
+    if ((mPlayer != 0) && ( mCurrentState & ( MEDIA_PLAYER_STARTED | MEDIA_PLAYER_PREPARED | MEDIA_PLAYER_PAUSED |  MEDIA_PLAYER_PLAYBACK_COMPLETE) ) ) {
+        if ( msec < 0 ) {
+            LOGW("Attempt to seek to invalid position: %d", msec);
+            msec = 0;
+        } else if ((mDuration > 0) && (msec > mDuration)) {
+            LOGW("Attempt to seek to past end of file: request = %d, EOF = %d", msec, mDuration);
+            msec = mDuration;
+        }
+        // cache duration
+        mCurrentPosition = msec;
+        if (mSeekPosition < 0) {
+            getDuration_l(NULL);
+            mSeekPosition = msec;
+            return mPlayer->seekTo(msec);
+        }
+        else {
+            LOGV("Seek in progress - queue up seekTo[%d]", msec);
+            return NO_ERROR;
+        }
+    }
+    LOGE("Attempt to perform seekTo in wrong state: mPlayer=%p, mCurrentState=%u", mPlayer.get(), mCurrentState);
+    return INVALID_OPERATION;
+}
+
+status_t MediaPlayer::seekTo(int msec)
+{
+    Mutex::Autolock _l(mLock);
+    return seekTo_l(msec);
+}
+
+status_t MediaPlayer::reset()
+{
+    LOGV("reset");
+    Mutex::Autolock _l(mLock);
+    mLoop = false;
+    if (mCurrentState == MEDIA_PLAYER_IDLE) return NO_ERROR;
+    mPrepareSync = false;
+    if (mPlayer != 0) {
+        status_t ret = mPlayer->reset();
+        if (ret != NO_ERROR) {
+            LOGE("reset() failed with return code (%d)", ret);
+            mCurrentState = MEDIA_PLAYER_STATE_ERROR;
+        } else {
+            mCurrentState = MEDIA_PLAYER_IDLE;
+        }
+        return ret;
+    }
+    clear_l();
+    return NO_ERROR;
+}
+
+status_t MediaPlayer::setAudioStreamType(int type)
+{
+    LOGV("MediaPlayer::setAudioStreamType");
+    Mutex::Autolock _l(mLock);
+    if (mStreamType == type) return NO_ERROR;
+    if (mCurrentState & ( MEDIA_PLAYER_PREPARED | MEDIA_PLAYER_STARTED |
+                MEDIA_PLAYER_PAUSED | MEDIA_PLAYER_PLAYBACK_COMPLETE ) ) {
+        // Can't change the stream type after prepare
+        LOGE("setAudioStream called in state %d", mCurrentState);
+        return INVALID_OPERATION;
+    }
+    // cache
+    mStreamType = type;
+    return OK;
+}
+
+status_t MediaPlayer::setLooping(int loop)
+{
+    LOGV("MediaPlayer::setLooping");
+    Mutex::Autolock _l(mLock);
+    mLoop = (loop != 0);
+    if (mPlayer != 0) {
+        return mPlayer->setLooping(loop);
+    }
+    return OK;
+}
+
+bool MediaPlayer::isLooping() {
+    LOGV("isLooping");
+    Mutex::Autolock _l(mLock);
+    if (mPlayer != 0) {
+        return mLoop;
+    }
+    LOGV("isLooping: no active player");
+    return false;
+}
+
+status_t MediaPlayer::setVolume(float leftVolume, float rightVolume)
+{
+    LOGV("MediaPlayer::setVolume(%f, %f)", leftVolume, rightVolume);
+    Mutex::Autolock _l(mLock);
+    mLeftVolume = leftVolume;
+    mRightVolume = rightVolume;
+    if (mPlayer != 0) {
+        return mPlayer->setVolume(leftVolume, rightVolume);
+    }
+    return OK;
+}
+
+void MediaPlayer::notify(int msg, int ext1, int ext2)
+{
+    LOGV("message received msg=%d, ext1=%d, ext2=%d", msg, ext1, ext2);
+    bool send = true;
+
+    // TODO: In the future, we might be on the same thread if the app is
+    // running in the same process as the media server. In that case,
+    // this will deadlock.
+    mLock.lock();
+    if (mPlayer == 0) {
+        LOGV("notify(%d, %d, %d) callback on disconnected mediaplayer", msg, ext1, ext2);
+        mLock.unlock();   // release the lock when done.
+        return;
+    }
+
+    switch (msg) {
+    case MEDIA_NOP: // interface test message
+        break;
+    case MEDIA_PREPARED:
+        LOGV("prepared");
+        mCurrentState = MEDIA_PLAYER_PREPARED;
+        if (mPrepareSync) {
+            LOGV("signal application thread");
+            mPrepareSync = false;
+            mPrepareStatus = NO_ERROR;
+            mSignal.signal();
+        }
+        break;
+    case MEDIA_PLAYBACK_COMPLETE:
+        LOGV("playback complete");
+        if (!mLoop) {
+            mCurrentState = MEDIA_PLAYER_PLAYBACK_COMPLETE;
+        }
+        break;
+    case MEDIA_ERROR:
+        // Always log errors
+        LOGE("error (%d, %d)", ext1, ext2);
+        mCurrentState = MEDIA_PLAYER_STATE_ERROR;
+        if (mPrepareSync)
+        {
+            LOGV("signal application thread");
+            mPrepareSync = false;
+            mPrepareStatus = ext1;
+            mSignal.signal();
+            send = false;
+        }
+        break;
+    case MEDIA_SEEK_COMPLETE:
+        LOGV("Received seek complete");
+        if (mSeekPosition != mCurrentPosition) {
+            LOGV("Executing queued seekTo(%d)", mSeekPosition);
+            mSeekPosition = -1;
+            seekTo_l(mCurrentPosition);
+        }
+        else {
+            LOGV("All seeks complete - return to regularly scheduled program");
+            mCurrentPosition = mSeekPosition = -1;
+        }
+        break;
+    case MEDIA_BUFFERING_UPDATE:
+        LOGV("buffering %d", ext1);
+        break;
+    case MEDIA_SET_VIDEO_SIZE:
+        LOGV("New video size %d x %d", ext1, ext2);
+        mVideoWidth = ext1;
+        mVideoHeight = ext2;
+        break;
+    default:
+        LOGV("unrecognized message: (%d, %d, %d)", msg, ext1, ext2);
+        break;
+    }
+
+    sp<MediaPlayerListener> listener = mListener;
+    mLock.unlock();
+
+    // this prevents re-entrant calls into client code
+    if ((listener != 0) && send) {
+        Mutex::Autolock _l(mNotifyLock);
+        LOGV("callback application");
+        listener->notify(msg, ext1, ext2);
+        LOGV("back from callback");
+    }
+}
+
+void MediaPlayer::DeathNotifier::binderDied(const wp<IBinder>& who) {
+    LOGW("MediaPlayer server died!");
+
+    // Need to do this with the lock held
+    SortedVector< wp<MediaPlayer> > list;
+    {
+        Mutex::Autolock _l(MediaPlayer::sServiceLock);
+        MediaPlayer::sMediaPlayerService.clear();
+        list = sObitRecipients;
+    }
+
+    // Notify application when media server dies.
+    // Don't hold the static lock during callback in case app
+    // makes a call that needs the lock.
+    size_t count = list.size();
+    for (size_t iter = 0; iter < count; ++iter) {
+        sp<MediaPlayer> player = list[iter].promote();
+        if ((player != 0) && (player->mPlayer != 0)) {
+            player->notify(MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED, 0);
+        }
+    }
+}
+
+MediaPlayer::DeathNotifier::~DeathNotifier()
+{
+    Mutex::Autolock _l(sServiceLock);
+    sObitRecipients.clear();
+    if (sMediaPlayerService != 0) {
+        sMediaPlayerService->asBinder()->unlinkToDeath(this);
+    }
+}
+
+/*static*/ sp<IMemory> MediaPlayer::decode(const char* url, uint32_t *pSampleRate, int* pNumChannels, int* pFormat)
+{
+    LOGV("decode(%s)", url);
+    sp<IMemory> p;
+    const sp<IMediaPlayerService>& service = getMediaPlayerService();
+    if (service != 0) {
+        p = sMediaPlayerService->decode(url, pSampleRate, pNumChannels, pFormat);
+    } else {
+        LOGE("Unable to locate media service");
+    }
+    return p;
+
+}
+
+/*static*/ sp<IMemory> MediaPlayer::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<IMemory> p;
+    const sp<IMediaPlayerService>& service = getMediaPlayerService();
+    if (service != 0) {
+        p = sMediaPlayerService->decode(fd, offset, length, pSampleRate, pNumChannels, pFormat);
+    } else {
+        LOGE("Unable to locate media service");
+    }
+    return p;
+
+}
+
+}; // namespace android