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authorThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
committerThe Android Open Source Project <initial-contribution@android.com>2009-03-03 18:28:45 -0800
commitd83a98f4ce9cfa908f5c54bbd70f03eec07e7553 (patch)
tree4b825dc642cb6eb9a060e54bf8d69288fbee4904 /media/libmedia/mediaplayer.cpp
parent076357b8567458d4b6dfdcf839ef751634cd2bfb (diff)
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auto import from //depot/cupcake/@135843
Diffstat (limited to 'media/libmedia/mediaplayer.cpp')
-rw-r--r--media/libmedia/mediaplayer.cpp624
1 files changed, 0 insertions, 624 deletions
diff --git a/media/libmedia/mediaplayer.cpp b/media/libmedia/mediaplayer.cpp
deleted file mode 100644
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--- a/media/libmedia/mediaplayer.cpp
+++ /dev/null
@@ -1,624 +0,0 @@
-/* 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