/*
**
** 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 <binder/IServiceManager.h>
#include <binder/IPCThreadState.h>
#include <gui/Surface.h>
#include <media/mediaplayer.h>
#include <media/AudioSystem.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;
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::newAudioSessionId();
AudioSystem::acquireAudioSessionId(mAudioSessionId);
mSendLevel = 0;
mRetransmitEndpointValid = false;
}
MediaPlayer::~MediaPlayer()
{
ALOGV("destructor");
AudioSystem::releaseAudioSessionId(mAudioSessionId);
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 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(url, headers))) {
player.clear();
}
err = attachNewPlayer(player);
}
}
return err;
}
status_t MediaPlayer::setDataSource(int fd, int64_t offset, int64_t length)
{
ALOGV("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(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::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 %d", 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) ) ) {
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");
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);
mPlayer->setAuxEffectSendLevel(mSendLevel);
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) {
ALOGV("playback completed immediately following start()");
}
}
return ret;
}
ALOGE("start called in state %d", mCurrentState);
return INVALID_OPERATION;
}
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;
}
return temp;
}
ALOGV("isPlaying: no active player");
return false;
}
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 {
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::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);
AudioSystem::releaseAudioSessionId(mAudioSessionId);
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);
}
status_t MediaPlayer::setParameter(int key, const Parcel& request)
{
ALOGV("MediaPlayer::setParameter(%d)", key);
Mutex::Autolock _l(mLock);
if (mPlayer != NULL) {
return mPlayer->setParameter(key, request);
}
ALOGV("setParameter: no active player");
return INVALID_OPERATION;
}
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
// and seekTo 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;
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");
}
}
/*static*/ status_t MediaPlayer::decode(const char* url, uint32_t *pSampleRate,
int* pNumChannels, audio_format_t* pFormat,
const sp<IMemoryHeap>& heap, size_t *pSize)
{
ALOGV("decode(%s)", url);
status_t status;
const sp<IMediaPlayerService>& service = getMediaPlayerService();
if (service != 0) {
status = service->decode(url, pSampleRate, pNumChannels, pFormat, heap, pSize);
} else {
ALOGE("Unable to locate media service");
status = DEAD_OBJECT;
}
return status;
}
void MediaPlayer::died()
{
ALOGV("died");
notify(MEDIA_ERROR, MEDIA_ERROR_SERVER_DIED, 0);
}
/*static*/ status_t MediaPlayer::decode(int fd, int64_t offset, int64_t length,
uint32_t *pSampleRate, int* pNumChannels,
audio_format_t* pFormat,
const sp<IMemoryHeap>& heap, size_t *pSize)
{
ALOGV("decode(%d, %lld, %lld)", fd, offset, length);
status_t status;
const sp<IMediaPlayerService>& service = getMediaPlayerService();
if (service != 0) {
status = service->decode(fd, offset, length, pSampleRate,
pNumChannels, pFormat, heap, pSize);
} else {
ALOGE("Unable to locate media service");
status = DEAD_OBJECT;
}
return status;
}
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);
}
status_t MediaPlayer::updateProxyConfig(
const char *host, int32_t port, const char *exclusionList) {
const sp<IMediaPlayerService>& service = getMediaPlayerService();
if (service != NULL) {
return service->updateProxyConfig(host, port, exclusionList);
}
return INVALID_OPERATION;
}
}; // namespace android