| /* |
| ** |
| ** 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 <fcntl.h> |
| #include <inttypes.h> |
| #include <sys/stat.h> |
| #include <sys/types.h> |
| #include <unistd.h> |
| |
| #include <utils/Log.h> |
| |
| #include <binder/IServiceManager.h> |
| #include <binder/IPCThreadState.h> |
| |
| #include <gui/Surface.h> |
| |
| #include <media/mediaplayer.h> |
| #include <media/AudioResamplerPublic.h> |
| #include <media/AudioSystem.h> |
| #include <media/AVSyncSettings.h> |
| #include <media/IDataSource.h> |
| |
| #include <binder/MemoryBase.h> |
| |
| #include <utils/KeyedVector.h> |
| #include <utils/String8.h> |
| |
| #include <system/audio.h> |
| #include <system/window.h> |
| |
| namespace android { |
| |
| MediaPlayer::MediaPlayer() |
| { |
| ALOGV("constructor"); |
| mListener = NULL; |
| mCookie = NULL; |
| mStreamType = AUDIO_STREAM_MUSIC; |
| mAudioAttributesParcel = NULL; |
| mCurrentPosition = -1; |
| mSeekPosition = -1; |
| mCurrentState = MEDIA_PLAYER_IDLE; |
| mPrepareSync = false; |
| mPrepareStatus = NO_ERROR; |
| mLoop = false; |
| mLeftVolume = mRightVolume = 1.0; |
| mVideoWidth = mVideoHeight = 0; |
| mLockThreadId = 0; |
| mAudioSessionId = AudioSystem::newAudioUniqueId(); |
| AudioSystem::acquireAudioSessionId(mAudioSessionId, -1); |
| mSendLevel = 0; |
| mRetransmitEndpointValid = false; |
| } |
| |
| MediaPlayer::~MediaPlayer() |
| { |
| ALOGV("destructor"); |
| if (mAudioAttributesParcel != NULL) { |
| delete mAudioAttributesParcel; |
| mAudioAttributesParcel = NULL; |
| } |
| AudioSystem::releaseAudioSessionId(mAudioSessionId, -1); |
| disconnect(); |
| IPCThreadState::self()->flushCommands(); |
| } |
| |
| void MediaPlayer::disconnect() |
| { |
| ALOGV("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() |
| { |
| mCurrentPosition = -1; |
| mSeekPosition = -1; |
| mVideoWidth = mVideoHeight = 0; |
| mRetransmitEndpointValid = false; |
| } |
| |
| status_t MediaPlayer::setListener(const sp<MediaPlayerListener>& listener) |
| { |
| ALOGV("setListener"); |
| Mutex::Autolock _l(mLock); |
| mListener = listener; |
| return NO_ERROR; |
| } |
| |
| |
| status_t MediaPlayer::attachNewPlayer(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) || |
| (mCurrentState == MEDIA_PLAYER_STATE_ERROR ) ) ) { |
| ALOGE("attachNewPlayer 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 { |
| ALOGE("Unable to create media player"); |
| } |
| } |
| |
| if (p != 0) { |
| p->disconnect(); |
| } |
| |
| return err; |
| } |
| |
| status_t MediaPlayer::setDataSource( |
| const sp<IMediaHTTPService> &httpService, |
| const char *url, const KeyedVector<String8, String8> *headers) |
| { |
| ALOGV("setDataSource(%s)", url); |
| status_t err = BAD_VALUE; |
| if (url != NULL) { |
| const sp<IMediaPlayerService> service(getMediaPlayerService()); |
| if (service != 0) { |
| sp<IMediaPlayer> player(service->create(this, mAudioSessionId)); |
| if ((NO_ERROR != doSetRetransmitEndpoint(player)) || |
| (NO_ERROR != player->setDataSource(httpService, url, headers))) { |
| player.clear(); |
| } |
| err = attachNewPlayer(player); |
| } |
| } |
| return err; |
| } |
| |
| status_t MediaPlayer::setDataSource(int fd, int64_t offset, int64_t length) |
| { |
| ALOGV("setDataSource(%d, %" PRId64 ", %" PRId64 ")", fd, offset, length); |
| status_t err = UNKNOWN_ERROR; |
| const sp<IMediaPlayerService> service(getMediaPlayerService()); |
| if (service != 0) { |
| sp<IMediaPlayer> player(service->create(this, mAudioSessionId)); |
| if ((NO_ERROR != doSetRetransmitEndpoint(player)) || |
| (NO_ERROR != player->setDataSource(fd, offset, length))) { |
| player.clear(); |
| } |
| err = attachNewPlayer(player); |
| } |
| return err; |
| } |
| |
| status_t MediaPlayer::setDataSource(const sp<IStreamSource> &source) |
| { |
| ALOGV("setDataSource"); |
| status_t err = UNKNOWN_ERROR; |
| const sp<IMediaPlayerService> service(getMediaPlayerService()); |
| if (service != 0) { |
| sp<IMediaPlayer> player(service->create(this, mAudioSessionId)); |
| if ((NO_ERROR != doSetRetransmitEndpoint(player)) || |
| (NO_ERROR != player->setDataSource(source))) { |
| player.clear(); |
| } |
| err = attachNewPlayer(player); |
| } |
| return err; |
| } |
| |
| status_t MediaPlayer::setDataSource(const sp<IDataSource> &source) |
| { |
| ALOGV("setDataSource(IDataSource)"); |
| status_t err = UNKNOWN_ERROR; |
| const sp<IMediaPlayerService>& service(getMediaPlayerService()); |
| if (service != 0) { |
| sp<IMediaPlayer> player(service->create(this, mAudioSessionId)); |
| if ((NO_ERROR != doSetRetransmitEndpoint(player)) || |
| (NO_ERROR != player->setDataSource(source))) { |
| player.clear(); |
| } |
| err = attachNewPlayer(player); |
| } |
| return err; |
| } |
| |
| status_t MediaPlayer::invoke(const Parcel& request, Parcel *reply) |
| { |
| Mutex::Autolock _l(mLock); |
| const bool hasBeenInitialized = |
| (mCurrentState != MEDIA_PLAYER_STATE_ERROR) && |
| ((mCurrentState & MEDIA_PLAYER_IDLE) != MEDIA_PLAYER_IDLE); |
| if ((mPlayer != NULL) && hasBeenInitialized) { |
| ALOGV("invoke %zu", request.dataSize()); |
| return mPlayer->invoke(request, reply); |
| } |
| ALOGE("invoke failed: wrong state %X", mCurrentState); |
| return INVALID_OPERATION; |
| } |
| |
| status_t MediaPlayer::setMetadataFilter(const Parcel& filter) |
| { |
| ALOGD("setMetadataFilter"); |
| Mutex::Autolock lock(mLock); |
| if (mPlayer == NULL) { |
| return NO_INIT; |
| } |
| return mPlayer->setMetadataFilter(filter); |
| } |
| |
| status_t MediaPlayer::getMetadata(bool update_only, bool apply_filter, Parcel *metadata) |
| { |
| ALOGD("getMetadata"); |
| Mutex::Autolock lock(mLock); |
| if (mPlayer == NULL) { |
| return NO_INIT; |
| } |
| return mPlayer->getMetadata(update_only, apply_filter, metadata); |
| } |
| |
| status_t MediaPlayer::setVideoSurfaceTexture( |
| const sp<IGraphicBufferProducer>& bufferProducer) |
| { |
| ALOGV("setVideoSurfaceTexture"); |
| Mutex::Autolock _l(mLock); |
| if (mPlayer == 0) return NO_INIT; |
| return mPlayer->setVideoSurfaceTexture(bufferProducer); |
| } |
| |
| // must call with lock held |
| status_t MediaPlayer::prepareAsync_l() |
| { |
| if ( (mPlayer != 0) && ( mCurrentState & (MEDIA_PLAYER_INITIALIZED | MEDIA_PLAYER_STOPPED) ) ) { |
| if (mAudioAttributesParcel != NULL) { |
| mPlayer->setParameter(KEY_PARAMETER_AUDIO_ATTRIBUTES, *mAudioAttributesParcel); |
| } else { |
| mPlayer->setAudioStreamType(mStreamType); |
| } |
| mCurrentState = MEDIA_PLAYER_PREPARING; |
| return mPlayer->prepareAsync(); |
| } |
| ALOGE("prepareAsync called in state %d", mCurrentState); |
| return INVALID_OPERATION; |
| } |
| |
| // TODO: In case of error, prepareAsync provides the caller with 2 error codes, |
| // one defined in the Android framework and one provided by the implementation |
| // that generated the error. The sync version of prepare returns only 1 error |
| // code. |
| status_t MediaPlayer::prepare() |
| { |
| ALOGV("prepare"); |
| Mutex::Autolock _l(mLock); |
| mLockThreadId = getThreadId(); |
| if (mPrepareSync) { |
| mLockThreadId = 0; |
| return -EALREADY; |
| } |
| mPrepareSync = true; |
| status_t ret = prepareAsync_l(); |
| if (ret != NO_ERROR) { |
| mLockThreadId = 0; |
| return ret; |
| } |
| |
| if (mPrepareSync) { |
| mSignal.wait(mLock); // wait for prepare done |
| mPrepareSync = false; |
| } |
| ALOGV("prepare complete - status=%d", mPrepareStatus); |
| mLockThreadId = 0; |
| return mPrepareStatus; |
| } |
| |
| status_t MediaPlayer::prepareAsync() |
| { |
| ALOGV("prepareAsync"); |
| Mutex::Autolock _l(mLock); |
| return prepareAsync_l(); |
| } |
| |
| status_t MediaPlayer::start() |
| { |
| ALOGV("start"); |
| |
| status_t ret = NO_ERROR; |
| Mutex::Autolock _l(mLock); |
| |
| mLockThreadId = getThreadId(); |
| |
| if (mCurrentState & MEDIA_PLAYER_STARTED) { |
| ret = NO_ERROR; |
| } else if ( (mPlayer != 0) && ( mCurrentState & ( MEDIA_PLAYER_PREPARED | |
| MEDIA_PLAYER_PLAYBACK_COMPLETE | MEDIA_PLAYER_PAUSED ) ) ) { |
| mPlayer->setLooping(mLoop); |
| mPlayer->setVolume(mLeftVolume, mRightVolume); |
| mPlayer->setAuxEffectSendLevel(mSendLevel); |
| mCurrentState = MEDIA_PLAYER_STARTED; |
| ret = mPlayer->start(); |
| if (ret != NO_ERROR) { |
| mCurrentState = MEDIA_PLAYER_STATE_ERROR; |
| } else { |
| if (mCurrentState == MEDIA_PLAYER_PLAYBACK_COMPLETE) { |
| ALOGV("playback completed immediately following start()"); |
| } |
| } |
| } else { |
| ALOGE("start called in state %d", mCurrentState); |
| ret = INVALID_OPERATION; |
| } |
| |
| mLockThreadId = 0; |
| |
| return ret; |
| } |
| |
| status_t MediaPlayer::stop() |
| { |
| ALOGV("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; |
| } |
| ALOGE("stop called in state %d", mCurrentState); |
| return INVALID_OPERATION; |
| } |
| |
| status_t MediaPlayer::pause() |
| { |
| ALOGV("pause"); |
| Mutex::Autolock _l(mLock); |
| if (mCurrentState & (MEDIA_PLAYER_PAUSED|MEDIA_PLAYER_PLAYBACK_COMPLETE)) |
| 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; |
| } |
| ALOGE("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); |
| ALOGV("isPlaying: %d", temp); |
| if ((mCurrentState & MEDIA_PLAYER_STARTED) && ! temp) { |
| ALOGE("internal/external state mismatch corrected"); |
| mCurrentState = MEDIA_PLAYER_PAUSED; |
| } else if ((mCurrentState & MEDIA_PLAYER_PAUSED) && temp) { |
| ALOGE("internal/external state mismatch corrected"); |
| mCurrentState = MEDIA_PLAYER_STARTED; |
| } |
| return temp; |
| } |
| ALOGV("isPlaying: no active player"); |
| return false; |
| } |
| |
| status_t MediaPlayer::setPlaybackSettings(const AudioPlaybackRate& rate) |
| { |
| ALOGV("setPlaybackSettings: %f %f %d %d", |
| rate.mSpeed, rate.mPitch, rate.mFallbackMode, rate.mStretchMode); |
| // Negative speed and pitch does not make sense. Further validation will |
| // be done by the respective mediaplayers. |
| if (rate.mSpeed < 0.f || rate.mPitch < 0.f) { |
| return BAD_VALUE; |
| } |
| Mutex::Autolock _l(mLock); |
| if (mPlayer == 0) return INVALID_OPERATION; |
| status_t err = mPlayer->setPlaybackSettings(rate); |
| if (err == OK) { |
| if (rate.mSpeed == 0.f && mCurrentState == MEDIA_PLAYER_STARTED) { |
| mCurrentState = MEDIA_PLAYER_PAUSED; |
| } else if (rate.mSpeed != 0.f && mCurrentState == MEDIA_PLAYER_PAUSED) { |
| mCurrentState = MEDIA_PLAYER_STARTED; |
| } |
| } |
| return err; |
| } |
| |
| status_t MediaPlayer::getPlaybackSettings(AudioPlaybackRate* rate /* nonnull */) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mPlayer == 0) return INVALID_OPERATION; |
| return mPlayer->getPlaybackSettings(rate); |
| } |
| |
| status_t MediaPlayer::setSyncSettings(const AVSyncSettings& sync, float videoFpsHint) |
| { |
| ALOGV("setSyncSettings: %u %u %f %f", |
| sync.mSource, sync.mAudioAdjustMode, sync.mTolerance, videoFpsHint); |
| Mutex::Autolock _l(mLock); |
| if (mPlayer == 0) return INVALID_OPERATION; |
| return mPlayer->setSyncSettings(sync, videoFpsHint); |
| } |
| |
| status_t MediaPlayer::getSyncSettings( |
| AVSyncSettings* sync /* nonnull */, float* videoFps /* nonnull */) |
| { |
| Mutex::Autolock _l(mLock); |
| if (mPlayer == 0) return INVALID_OPERATION; |
| return mPlayer->getSyncSettings(sync, videoFps); |
| } |
| |
| status_t MediaPlayer::getVideoWidth(int *w) |
| { |
| ALOGV("getVideoWidth"); |
| Mutex::Autolock _l(mLock); |
| if (mPlayer == 0) return INVALID_OPERATION; |
| *w = mVideoWidth; |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayer::getVideoHeight(int *h) |
| { |
| ALOGV("getVideoHeight"); |
| Mutex::Autolock _l(mLock); |
| if (mPlayer == 0) return INVALID_OPERATION; |
| *h = mVideoHeight; |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayer::getCurrentPosition(int *msec) |
| { |
| ALOGV("getCurrentPosition"); |
| Mutex::Autolock _l(mLock); |
| if (mPlayer != 0) { |
| if (mCurrentPosition >= 0) { |
| ALOGV("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) |
| { |
| ALOGV("getDuration_l"); |
| bool isValidState = (mCurrentState & (MEDIA_PLAYER_PREPARED | MEDIA_PLAYER_STARTED | |
| MEDIA_PLAYER_PAUSED | MEDIA_PLAYER_STOPPED | MEDIA_PLAYER_PLAYBACK_COMPLETE)); |
| if (mPlayer != 0 && isValidState) { |
| int durationMs; |
| status_t ret = mPlayer->getDuration(&durationMs); |
| |
| if (ret != OK) { |
| // Do not enter error state just because no duration was available. |
| durationMs = -1; |
| ret = OK; |
| } |
| |
| if (msec) { |
| *msec = durationMs; |
| } |
| return ret; |
| } |
| ALOGE("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) |
| { |
| ALOGV("seekTo %d", msec); |
| if ((mPlayer != 0) && ( mCurrentState & ( MEDIA_PLAYER_STARTED | MEDIA_PLAYER_PREPARED | |
| MEDIA_PLAYER_PAUSED | MEDIA_PLAYER_PLAYBACK_COMPLETE) ) ) { |
| if ( msec < 0 ) { |
| ALOGW("Attempt to seek to invalid position: %d", msec); |
| msec = 0; |
| } |
| |
| int durationMs; |
| status_t err = mPlayer->getDuration(&durationMs); |
| |
| if (err != OK) { |
| ALOGW("Stream has no duration and is therefore not seekable."); |
| return err; |
| } |
| |
| if (msec > durationMs) { |
| ALOGW("Attempt to seek to past end of file: request = %d, " |
| "durationMs = %d", |
| msec, |
| durationMs); |
| |
| msec = durationMs; |
| } |
| |
| // cache duration |
| mCurrentPosition = msec; |
| if (mSeekPosition < 0) { |
| mSeekPosition = msec; |
| return mPlayer->seekTo(msec); |
| } |
| else { |
| ALOGV("Seek in progress - queue up seekTo[%d]", msec); |
| return NO_ERROR; |
| } |
| } |
| ALOGE("Attempt to perform seekTo in wrong state: mPlayer=%p, mCurrentState=%u", mPlayer.get(), |
| mCurrentState); |
| return INVALID_OPERATION; |
| } |
| |
| status_t MediaPlayer::seekTo(int msec) |
| { |
| mLockThreadId = getThreadId(); |
| Mutex::Autolock _l(mLock); |
| status_t result = seekTo_l(msec); |
| mLockThreadId = 0; |
| |
| return result; |
| } |
| |
| status_t MediaPlayer::reset_l() |
| { |
| mLoop = false; |
| if (mCurrentState == MEDIA_PLAYER_IDLE) return NO_ERROR; |
| mPrepareSync = false; |
| if (mPlayer != 0) { |
| status_t ret = mPlayer->reset(); |
| if (ret != NO_ERROR) { |
| ALOGE("reset() failed with return code (%d)", ret); |
| mCurrentState = MEDIA_PLAYER_STATE_ERROR; |
| } else { |
| mPlayer->disconnect(); |
| mCurrentState = MEDIA_PLAYER_IDLE; |
| } |
| // setDataSource has to be called again to create a |
| // new mediaplayer. |
| mPlayer = 0; |
| return ret; |
| } |
| clear_l(); |
| return NO_ERROR; |
| } |
| |
| status_t MediaPlayer::doSetRetransmitEndpoint(const sp<IMediaPlayer>& player) { |
| Mutex::Autolock _l(mLock); |
| |
| if (player == NULL) { |
| return UNKNOWN_ERROR; |
| } |
| |
| if (mRetransmitEndpointValid) { |
| return player->setRetransmitEndpoint(&mRetransmitEndpoint); |
| } |
| |
| return OK; |
| } |
| |
| status_t MediaPlayer::reset() |
| { |
| ALOGV("reset"); |
| Mutex::Autolock _l(mLock); |
| return reset_l(); |
| } |
| |
| status_t MediaPlayer::setAudioStreamType(audio_stream_type_t type) |
| { |
| ALOGV("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 |
| ALOGE("setAudioStream called in state %d", mCurrentState); |
| return INVALID_OPERATION; |
| } |
| // cache |
| mStreamType = type; |
| return OK; |
| } |
| |
| status_t MediaPlayer::getAudioStreamType(audio_stream_type_t *type) |
| { |
| ALOGV("getAudioStreamType"); |
| Mutex::Autolock _l(mLock); |
| *type = mStreamType; |
| return OK; |
| } |
| |
| status_t MediaPlayer::setLooping(int loop) |
| { |
| ALOGV("MediaPlayer::setLooping"); |
| Mutex::Autolock _l(mLock); |
| mLoop = (loop != 0); |
| if (mPlayer != 0) { |
| return mPlayer->setLooping(loop); |
| } |
| return OK; |
| } |
| |
| bool MediaPlayer::isLooping() { |
| ALOGV("isLooping"); |
| Mutex::Autolock _l(mLock); |
| if (mPlayer != 0) { |
| return mLoop; |
| } |
| ALOGV("isLooping: no active player"); |
| return false; |
| } |
| |
| status_t MediaPlayer::setVolume(float leftVolume, float rightVolume) |
| { |
| ALOGV("MediaPlayer::setVolume(%f, %f)", leftVolume, rightVolume); |
| Mutex::Autolock _l(mLock); |
| mLeftVolume = leftVolume; |
| mRightVolume = rightVolume; |
| if (mPlayer != 0) { |
| return mPlayer->setVolume(leftVolume, rightVolume); |
| } |
| return OK; |
| } |
| |
| status_t MediaPlayer::setAudioSessionId(int sessionId) |
| { |
| ALOGV("MediaPlayer::setAudioSessionId(%d)", sessionId); |
| Mutex::Autolock _l(mLock); |
| if (!(mCurrentState & MEDIA_PLAYER_IDLE)) { |
| ALOGE("setAudioSessionId called in state %d", mCurrentState); |
| return INVALID_OPERATION; |
| } |
| if (sessionId < 0) { |
| return BAD_VALUE; |
| } |
| if (sessionId != mAudioSessionId) { |
| AudioSystem::acquireAudioSessionId(sessionId, -1); |
| AudioSystem::releaseAudioSessionId(mAudioSessionId, -1); |
| mAudioSessionId = sessionId; |
| } |
| return NO_ERROR; |
| } |
| |
| int MediaPlayer::getAudioSessionId() |
| { |
| Mutex::Autolock _l(mLock); |
| return mAudioSessionId; |
| } |
| |
| status_t MediaPlayer::setAuxEffectSendLevel(float level) |
| { |
| ALOGV("MediaPlayer::setAuxEffectSendLevel(%f)", level); |
| Mutex::Autolock _l(mLock); |
| mSendLevel = level; |
| if (mPlayer != 0) { |
| return mPlayer->setAuxEffectSendLevel(level); |
| } |
| return OK; |
| } |
| |
| status_t MediaPlayer::attachAuxEffect(int effectId) |
| { |
| ALOGV("MediaPlayer::attachAuxEffect(%d)", effectId); |
| Mutex::Autolock _l(mLock); |
| if (mPlayer == 0 || |
| (mCurrentState & MEDIA_PLAYER_IDLE) || |
| (mCurrentState == MEDIA_PLAYER_STATE_ERROR )) { |
| ALOGE("attachAuxEffect called in state %d", mCurrentState); |
| return INVALID_OPERATION; |
| } |
| |
| return mPlayer->attachAuxEffect(effectId); |
| } |
| |
| // always call with lock held |
| status_t MediaPlayer::checkStateForKeySet_l(int key) |
| { |
| switch(key) { |
| case KEY_PARAMETER_AUDIO_ATTRIBUTES: |
| if (mCurrentState & ( MEDIA_PLAYER_PREPARED | MEDIA_PLAYER_STARTED | |
| MEDIA_PLAYER_PAUSED | MEDIA_PLAYER_PLAYBACK_COMPLETE) ) { |
| // Can't change the audio attributes after prepare |
| ALOGE("trying to set audio attributes called in state %d", mCurrentState); |
| return INVALID_OPERATION; |
| } |
| break; |
| default: |
| // parameter doesn't require player state check |
| break; |
| } |
| return OK; |
| } |
| |
| status_t MediaPlayer::setParameter(int key, const Parcel& request) |
| { |
| ALOGV("MediaPlayer::setParameter(%d)", key); |
| status_t status = INVALID_OPERATION; |
| Mutex::Autolock _l(mLock); |
| if (checkStateForKeySet_l(key) != OK) { |
| return status; |
| } |
| switch (key) { |
| case KEY_PARAMETER_AUDIO_ATTRIBUTES: |
| // save the marshalled audio attributes |
| if (mAudioAttributesParcel != NULL) { delete mAudioAttributesParcel; }; |
| mAudioAttributesParcel = new Parcel(); |
| mAudioAttributesParcel->appendFrom(&request, 0, request.dataSize()); |
| status = OK; |
| break; |
| default: |
| ALOGV_IF(mPlayer == NULL, "setParameter: no active player"); |
| break; |
| } |
| |
| if (mPlayer != NULL) { |
| status = mPlayer->setParameter(key, request); |
| } |
| return status; |
| } |
| |
| status_t MediaPlayer::getParameter(int key, Parcel *reply) |
| { |
| ALOGV("MediaPlayer::getParameter(%d)", key); |
| Mutex::Autolock _l(mLock); |
| if (mPlayer != NULL) { |
| return mPlayer->getParameter(key, reply); |
| } |
| ALOGV("getParameter: no active player"); |
| return INVALID_OPERATION; |
| } |
| |
| status_t MediaPlayer::setRetransmitEndpoint(const char* addrString, |
| uint16_t port) { |
| ALOGV("MediaPlayer::setRetransmitEndpoint(%s:%hu)", |
| addrString ? addrString : "(null)", port); |
| |
| Mutex::Autolock _l(mLock); |
| if ((mPlayer != NULL) || (mCurrentState != MEDIA_PLAYER_IDLE)) |
| return INVALID_OPERATION; |
| |
| if (NULL == addrString) { |
| mRetransmitEndpointValid = false; |
| return OK; |
| } |
| |
| struct in_addr saddr; |
| if(!inet_aton(addrString, &saddr)) { |
| return BAD_VALUE; |
| } |
| |
| memset(&mRetransmitEndpoint, 0, sizeof(mRetransmitEndpoint)); |
| mRetransmitEndpoint.sin_family = AF_INET; |
| mRetransmitEndpoint.sin_addr = saddr; |
| mRetransmitEndpoint.sin_port = htons(port); |
| mRetransmitEndpointValid = true; |
| |
| return OK; |
| } |
| |
| void MediaPlayer::notify(int msg, int ext1, int ext2, const Parcel *obj) |
| { |
| ALOGV("message received msg=%d, ext1=%d, ext2=%d", msg, ext1, ext2); |
| bool send = true; |
| bool locked = false; |
| |
| // 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. |
| // |
| // The threadId hack below works around this for the care of prepare, |
| // seekTo and start within the same process. |
| // FIXME: Remember, this is a hack, it's not even a hack that is applied |
| // consistently for all use-cases, this needs to be revisited. |
| if (mLockThreadId != getThreadId()) { |
| mLock.lock(); |
| locked = true; |
| } |
| |
| // Allows calls from JNI in idle state to notify errors |
| if (!(msg == MEDIA_ERROR && mCurrentState == MEDIA_PLAYER_IDLE) && mPlayer == 0) { |
| ALOGV("notify(%d, %d, %d) callback on disconnected mediaplayer", msg, ext1, ext2); |
| if (locked) mLock.unlock(); // release the lock when done. |
| return; |
| } |
| |
| switch (msg) { |
| case MEDIA_NOP: // interface test message |
| break; |
| case MEDIA_PREPARED: |
| ALOGV("prepared"); |
| mCurrentState = MEDIA_PLAYER_PREPARED; |
| if (mPrepareSync) { |
| ALOGV("signal application thread"); |
| mPrepareSync = false; |
| mPrepareStatus = NO_ERROR; |
| mSignal.signal(); |
| } |
| break; |
| case MEDIA_PLAYBACK_COMPLETE: |
| ALOGV("playback complete"); |
| if (mCurrentState == MEDIA_PLAYER_IDLE) { |
| ALOGE("playback complete in idle state"); |
| } |
| if (!mLoop) { |
| mCurrentState = MEDIA_PLAYER_PLAYBACK_COMPLETE; |
| } |
| break; |
| case MEDIA_ERROR: |
| // Always log errors. |
| // ext1: Media framework error code. |
| // ext2: Implementation dependant error code. |
| ALOGE("error (%d, %d)", ext1, ext2); |
| mCurrentState = MEDIA_PLAYER_STATE_ERROR; |
| if (mPrepareSync) |
| { |
| ALOGV("signal application thread"); |
| mPrepareSync = false; |
| mPrepareStatus = ext1; |
| mSignal.signal(); |
| send = false; |
| } |
| break; |
| case MEDIA_INFO: |
| // ext1: Media framework error code. |
| // ext2: Implementation dependant error code. |
| if (ext1 != MEDIA_INFO_VIDEO_TRACK_LAGGING) { |
| ALOGW("info/warning (%d, %d)", ext1, ext2); |
| } |
| break; |
| case MEDIA_SEEK_COMPLETE: |
| ALOGV("Received seek complete"); |
| if (mSeekPosition != mCurrentPosition) { |
| ALOGV("Executing queued seekTo(%d)", mSeekPosition); |
| mSeekPosition = -1; |
| seekTo_l(mCurrentPosition); |
| } |
| else { |
| ALOGV("All seeks complete - return to regularly scheduled program"); |
| mCurrentPosition = mSeekPosition = -1; |
| } |
| break; |
| case MEDIA_BUFFERING_UPDATE: |
| ALOGV("buffering %d", ext1); |
| break; |
| case MEDIA_SET_VIDEO_SIZE: |
| ALOGV("New video size %d x %d", ext1, ext2); |
| mVideoWidth = ext1; |
| mVideoHeight = ext2; |
| break; |
| case MEDIA_TIMED_TEXT: |
| ALOGV("Received timed text message"); |
| break; |
| case MEDIA_SUBTITLE_DATA: |
| ALOGV("Received subtitle data message"); |
| break; |
| case MEDIA_META_DATA: |
| ALOGV("Received timed metadata message"); |
| break; |
| default: |
| ALOGV("unrecognized message: (%d, %d, %d)", msg, ext1, ext2); |
| break; |
| } |
| |
| sp<MediaPlayerListener> listener = mListener; |
| if (locked) mLock.unlock(); |
| |
| // this prevents re-entrant calls into client code |
| if ((listener != 0) && send) { |
| Mutex::Autolock _l(mNotifyLock); |
| ALOGV("callback application"); |
| listener->notify(msg, ext1, ext2, obj); |
| ALOGV("back from callback"); |
| } |
| } |
| |
| void MediaPlayer::died() |
| { |
| ALOGV("died"); |
| notify(MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED, 0); |
| } |
| |
| status_t MediaPlayer::setNextMediaPlayer(const sp<MediaPlayer>& next) { |
| if (mPlayer == NULL) { |
| return NO_INIT; |
| } |
| |
| if (next != NULL && !(next->mCurrentState & |
| (MEDIA_PLAYER_PREPARED | MEDIA_PLAYER_PAUSED | MEDIA_PLAYER_PLAYBACK_COMPLETE))) { |
| ALOGE("next player is not prepared"); |
| return INVALID_OPERATION; |
| } |
| |
| return mPlayer->setNextPlayer(next == NULL ? NULL : next->mPlayer); |
| } |
| |
| } // namespace android |