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v811_spc009/frameworks/av/media/libmediaplayerservice/nuplayer/GenericSource.cpp

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/*
* Copyright (C) 2012 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 "GenericSource"
#include "GenericSource.h"
#include "NuPlayerDrm.h"
#include "AnotherPacketSource.h"
#include <binder/IServiceManager.h>
#include <cutils/properties.h>
#include <datasource/PlayerServiceDataSourceFactory.h>
#include <datasource/PlayerServiceFileSource.h>
#include <datasource/HTTPBase.h>
#include <datasource/NuCachedSource2.h>
#include <media/DataSource.h>
#include <media/MediaBufferHolder.h>
#include <media/stagefright/MediaSource.h>
#include <android/IMediaExtractorService.h>
#include <media/IMediaHTTPService.h>
#include <media/stagefright/foundation/ABuffer.h>
#include <media/stagefright/foundation/ADebug.h>
#include <media/stagefright/foundation/AMessage.h>
#include <media/stagefright/InterfaceUtils.h>
#include <media/stagefright/FoundationUtils.h>
#include <media/stagefright/MediaBuffer.h>
#include <media/stagefright/MediaClock.h>
#include <media/stagefright/MediaDefs.h>
#include <media/stagefright/MediaExtractor.h>
#include <media/stagefright/MediaExtractorFactory.h>
#include <media/stagefright/MetaData.h>
#include <media/stagefright/Utils.h>
namespace android {
static const int kInitialMarkMs = 5000; // 5secs
//static const int kPausePlaybackMarkMs = 2000; // 2secs
static const int kResumePlaybackMarkMs = 15000; // 15secs
NuPlayer::GenericSource::GenericSource(
const sp<AMessage> &notify,
bool uidValid,
uid_t uid,
const sp<MediaClock> &mediaClock)
: Source(notify),
mAudioTimeUs(0),
mAudioLastDequeueTimeUs(0),
mVideoTimeUs(0),
mVideoLastDequeueTimeUs(0),
mPrevBufferPercentage(-1),
mPollBufferingGeneration(0),
mSentPauseOnBuffering(false),
mAudioDataGeneration(0),
mVideoDataGeneration(0),
mFetchSubtitleDataGeneration(0),
mFetchTimedTextDataGeneration(0),
mDurationUs(-1LL),
mAudioIsVorbis(false),
mIsSecure(false),
mIsStreaming(false),
mUIDValid(uidValid),
mUID(uid),
mMediaClock(mediaClock),
mBitrate(-1LL),
mPendingReadBufferTypes(0) {
ALOGV("GenericSource");
CHECK(mediaClock != NULL);
mBufferingSettings.mInitialMarkMs = kInitialMarkMs;
mBufferingSettings.mResumePlaybackMarkMs = kResumePlaybackMarkMs;
resetDataSource();
}
void NuPlayer::GenericSource::resetDataSource() {
ALOGV("resetDataSource");
mHTTPService.clear();
{
Mutex::Autolock _l_d(mDisconnectLock);
mHttpSource.clear();
mDisconnected = false;
}
mUri.clear();
mUriHeaders.clear();
mSources.clear();
mFd.reset();
mOffset = 0;
mLength = 0;
mStarted = false;
mPreparing = false;
mIsDrmProtected = false;
mIsDrmReleased = false;
mIsSecure = false;
mMimes.clear();
}
status_t NuPlayer::GenericSource::setDataSource(
const sp<IMediaHTTPService> &httpService,
const char *url,
const KeyedVector<String8, String8> *headers) {
Mutex::Autolock _l(mLock);
ALOGV("setDataSource url: %s", url);
resetDataSource();
mHTTPService = httpService;
mUri = url;
if (headers) {
mUriHeaders = *headers;
}
// delay data source creation to prepareAsync() to avoid blocking
// the calling thread in setDataSource for any significant time.
return OK;
}
status_t NuPlayer::GenericSource::setDataSource(
int fd, int64_t offset, int64_t length) {
Mutex::Autolock _l(mLock);
ALOGV("setDataSource %d/%lld/%lld (%s)", fd, (long long)offset, (long long)length, nameForFd(fd).c_str());
resetDataSource();
mFd.reset(dup(fd));
mOffset = offset;
mLength = length;
// delay data source creation to prepareAsync() to avoid blocking
// the calling thread in setDataSource for any significant time.
return OK;
}
status_t NuPlayer::GenericSource::setDataSource(const sp<DataSource>& source) {
Mutex::Autolock _l(mLock);
ALOGV("setDataSource (source: %p)", source.get());
resetDataSource();
{
Mutex::Autolock _l_d(mDisconnectLock);
mDataSource = source;
}
return OK;
}
sp<MetaData> NuPlayer::GenericSource::getFileFormatMeta() const {
Mutex::Autolock _l(mLock);
return mFileMeta;
}
status_t NuPlayer::GenericSource::initFromDataSource() {
sp<IMediaExtractor> extractor;
sp<DataSource> dataSource;
{
Mutex::Autolock _l_d(mDisconnectLock);
dataSource = mDataSource;
}
CHECK(dataSource != NULL);
mLock.unlock();
// This might take long time if data source is not reliable.
extractor = MediaExtractorFactory::Create(dataSource, NULL);
if (extractor == NULL) {
ALOGE("initFromDataSource, cannot create extractor!");
mLock.lock();
return UNKNOWN_ERROR;
}
sp<MetaData> fileMeta = extractor->getMetaData();
size_t numtracks = extractor->countTracks();
if (numtracks == 0) {
ALOGE("initFromDataSource, source has no track!");
mLock.lock();
return UNKNOWN_ERROR;
}
mLock.lock();
mFileMeta = fileMeta;
if (mFileMeta != NULL) {
int64_t duration;
if (mFileMeta->findInt64(kKeyDuration, &duration)) {
mDurationUs = duration;
}
}
int32_t totalBitrate = 0;
mMimes.clear();
for (size_t i = 0; i < numtracks; ++i) {
sp<IMediaSource> track = extractor->getTrack(i);
if (track == NULL) {
continue;
}
sp<MetaData> meta = extractor->getTrackMetaData(i);
if (meta == NULL) {
ALOGE("no metadata for track %zu", i);
return UNKNOWN_ERROR;
}
const char *mime;
CHECK(meta->findCString(kKeyMIMEType, &mime));
ALOGV("initFromDataSource track[%zu]: %s", i, mime);
// Do the string compare immediately with "mime",
// we can't assume "mime" would stay valid after another
// extractor operation, some extractors might modify meta
// during getTrack() and make it invalid.
if (!strncasecmp(mime, "audio/", 6)) {
if (mAudioTrack.mSource == NULL) {
mAudioTrack.mIndex = i;
mAudioTrack.mSource = track;
mAudioTrack.mPackets =
new AnotherPacketSource(mAudioTrack.mSource->getFormat());
if (!strcasecmp(mime, MEDIA_MIMETYPE_AUDIO_VORBIS)) {
mAudioIsVorbis = true;
} else {
mAudioIsVorbis = false;
}
mMimes.add(String8(mime));
}
} else if (!strncasecmp(mime, "video/", 6)) {
if (mVideoTrack.mSource == NULL) {
mVideoTrack.mIndex = i;
mVideoTrack.mSource = track;
mVideoTrack.mPackets =
new AnotherPacketSource(mVideoTrack.mSource->getFormat());
// video always at the beginning
mMimes.insertAt(String8(mime), 0);
}
}
mSources.push(track);
int64_t durationUs;
if (meta->findInt64(kKeyDuration, &durationUs)) {
if (durationUs > mDurationUs) {
mDurationUs = durationUs;
}
}
int32_t bitrate;
if (totalBitrate >= 0 && meta->findInt32(kKeyBitRate, &bitrate)) {
totalBitrate += bitrate;
} else {
totalBitrate = -1;
}
}
ALOGV("initFromDataSource mSources.size(): %zu mIsSecure: %d mime[0]: %s", mSources.size(),
mIsSecure, (mMimes.isEmpty() ? "NONE" : mMimes[0].string()));
if (mSources.size() == 0) {
ALOGE("b/23705695");
return UNKNOWN_ERROR;
}
// Modular DRM: The return value doesn't affect source initialization.
(void)checkDrmInfo();
mBitrate = totalBitrate;
return OK;
}
status_t NuPlayer::GenericSource::getBufferingSettings(
BufferingSettings* buffering /* nonnull */) {
{
Mutex::Autolock _l(mLock);
*buffering = mBufferingSettings;
}
ALOGV("getBufferingSettings{%s}", buffering->toString().string());
return OK;
}
status_t NuPlayer::GenericSource::setBufferingSettings(const BufferingSettings& buffering) {
ALOGV("setBufferingSettings{%s}", buffering.toString().string());
Mutex::Autolock _l(mLock);
mBufferingSettings = buffering;
return OK;
}
status_t NuPlayer::GenericSource::startSources() {
// Start the selected A/V tracks now before we start buffering.
// Widevine sources might re-initialize crypto when starting, if we delay
// this to start(), all data buffered during prepare would be wasted.
// (We don't actually start reading until start().)
//
// TODO: this logic may no longer be relevant after the removal of widevine
// support
if (mAudioTrack.mSource != NULL && mAudioTrack.mSource->start() != OK) {
ALOGE("failed to start audio track!");
return UNKNOWN_ERROR;
}
if (mVideoTrack.mSource != NULL && mVideoTrack.mSource->start() != OK) {
ALOGE("failed to start video track!");
return UNKNOWN_ERROR;
}
return OK;
}
int64_t NuPlayer::GenericSource::getLastReadPosition() {
if (mAudioTrack.mSource != NULL) {
return mAudioTimeUs;
} else if (mVideoTrack.mSource != NULL) {
return mVideoTimeUs;
} else {
return 0;
}
}
bool NuPlayer::GenericSource::isStreaming() const {
Mutex::Autolock _l(mLock);
return mIsStreaming;
}
NuPlayer::GenericSource::~GenericSource() {
ALOGV("~GenericSource");
if (mLooper != NULL) {
mLooper->unregisterHandler(id());
mLooper->stop();
}
resetDataSource();
}
void NuPlayer::GenericSource::prepareAsync() {
Mutex::Autolock _l(mLock);
ALOGV("prepareAsync: (looper: %d)", (mLooper != NULL));
if (mLooper == NULL) {
mLooper = new ALooper;
mLooper->setName("generic");
mLooper->start();
mLooper->registerHandler(this);
}
sp<AMessage> msg = new AMessage(kWhatPrepareAsync, this);
msg->post();
}
void NuPlayer::GenericSource::onPrepareAsync() {
mDisconnectLock.lock();
ALOGV("onPrepareAsync: mDataSource: %d", (mDataSource != NULL));
// delayed data source creation
if (mDataSource == NULL) {
// set to false first, if the extractor
// comes back as secure, set it to true then.
mIsSecure = false;
if (!mUri.empty()) {
const char* uri = mUri.c_str();
String8 contentType;
if (!strncasecmp("http://", uri, 7) || !strncasecmp("https://", uri, 8)) {
sp<DataSource> httpSource;
mDisconnectLock.unlock();
httpSource = PlayerServiceDataSourceFactory::getInstance()
->CreateMediaHTTP(mHTTPService);
if (httpSource == NULL) {
ALOGE("Failed to create http source!");
notifyPreparedAndCleanup(UNKNOWN_ERROR);
return;
}
mDisconnectLock.lock();
if (!mDisconnected) {
mHttpSource = httpSource;
}
}
mLock.unlock();
mDisconnectLock.unlock();
// This might take long time if connection has some issue.
sp<DataSource> dataSource = PlayerServiceDataSourceFactory::getInstance()
->CreateFromURI(mHTTPService, uri, &mUriHeaders, &contentType,
static_cast<HTTPBase *>(mHttpSource.get()));
mDisconnectLock.lock();
mLock.lock();
if (!mDisconnected) {
mDataSource = dataSource;
}
} else {
if (property_get_bool("media.stagefright.extractremote", true) &&
!PlayerServiceFileSource::requiresDrm(
mFd.get(), mOffset, mLength, nullptr /* mime */)) {
sp<IBinder> binder =
defaultServiceManager()->getService(String16("media.extractor"));
if (binder != nullptr) {
ALOGD("FileSource remote");
sp<IMediaExtractorService> mediaExService(
interface_cast<IMediaExtractorService>(binder));
sp<IDataSource> source;
mediaExService->makeIDataSource(base::unique_fd(dup(mFd.get())), mOffset, mLength, &source);
ALOGV("IDataSource(FileSource): %p %d %lld %lld",
source.get(), mFd.get(), (long long)mOffset, (long long)mLength);
if (source.get() != nullptr) {
mDataSource = CreateDataSourceFromIDataSource(source);
} else {
ALOGW("extractor service cannot make data source");
}
} else {
ALOGW("extractor service not running");
}
}
if (mDataSource == nullptr) {
ALOGD("FileSource local");
mDataSource = new PlayerServiceFileSource(dup(mFd.get()), mOffset, mLength);
}
}
if (mDataSource == NULL) {
ALOGE("Failed to create data source!");
mDisconnectLock.unlock();
notifyPreparedAndCleanup(UNKNOWN_ERROR);
return;
}
}
if (mDataSource->flags() & DataSource::kIsCachingDataSource) {
mCachedSource = static_cast<NuCachedSource2 *>(mDataSource.get());
}
mDisconnectLock.unlock();
// For cached streaming cases, we need to wait for enough
// buffering before reporting prepared.
mIsStreaming = (mCachedSource != NULL);
// init extractor from data source
status_t err = initFromDataSource();
if (err != OK) {
ALOGE("Failed to init from data source!");
notifyPreparedAndCleanup(err);
return;
}
if (mVideoTrack.mSource != NULL) {
sp<MetaData> meta = getFormatMeta_l(false /* audio */);
sp<AMessage> msg = new AMessage;
err = convertMetaDataToMessage(meta, &msg);
if(err != OK) {
notifyPreparedAndCleanup(err);
return;
}
notifyVideoSizeChanged(msg);
}
notifyFlagsChanged(
// FLAG_SECURE will be known if/when prepareDrm is called by the app
// FLAG_PROTECTED will be known if/when prepareDrm is called by the app
FLAG_CAN_PAUSE |
FLAG_CAN_SEEK_BACKWARD |
FLAG_CAN_SEEK_FORWARD |
FLAG_CAN_SEEK);
finishPrepareAsync();
ALOGV("onPrepareAsync: Done");
}
void NuPlayer::GenericSource::finishPrepareAsync() {
ALOGV("finishPrepareAsync");
status_t err = startSources();
if (err != OK) {
ALOGE("Failed to init start data source!");
notifyPreparedAndCleanup(err);
return;
}
if (mIsStreaming) {
mCachedSource->resumeFetchingIfNecessary();
mPreparing = true;
schedulePollBuffering();
} else {
notifyPrepared();
}
if (mAudioTrack.mSource != NULL) {
postReadBuffer(MEDIA_TRACK_TYPE_AUDIO);
}
if (mVideoTrack.mSource != NULL) {
postReadBuffer(MEDIA_TRACK_TYPE_VIDEO);
}
}
void NuPlayer::GenericSource::notifyPreparedAndCleanup(status_t err) {
if (err != OK) {
{
Mutex::Autolock _l_d(mDisconnectLock);
mDataSource.clear();
mHttpSource.clear();
}
mCachedSource.clear();
mBitrate = -1;
mPrevBufferPercentage = -1;
++mPollBufferingGeneration;
}
notifyPrepared(err);
}
void NuPlayer::GenericSource::start() {
Mutex::Autolock _l(mLock);
ALOGI("start");
if (mAudioTrack.mSource != NULL) {
postReadBuffer(MEDIA_TRACK_TYPE_AUDIO);
}
if (mVideoTrack.mSource != NULL) {
postReadBuffer(MEDIA_TRACK_TYPE_VIDEO);
}
mStarted = true;
}
void NuPlayer::GenericSource::stop() {
Mutex::Autolock _l(mLock);
mStarted = false;
}
void NuPlayer::GenericSource::pause() {
Mutex::Autolock _l(mLock);
mStarted = false;
}
void NuPlayer::GenericSource::resume() {
Mutex::Autolock _l(mLock);
mStarted = true;
}
void NuPlayer::GenericSource::disconnect() {
sp<DataSource> dataSource, httpSource;
{
Mutex::Autolock _l_d(mDisconnectLock);
dataSource = mDataSource;
httpSource = mHttpSource;
mDisconnected = true;
}
if (dataSource != NULL) {
// disconnect data source
if (dataSource->flags() & DataSource::kIsCachingDataSource) {
static_cast<NuCachedSource2 *>(dataSource.get())->disconnect();
}
} else if (httpSource != NULL) {
static_cast<HTTPBase *>(httpSource.get())->disconnect();
}
}
status_t NuPlayer::GenericSource::feedMoreTSData() {
return OK;
}
void NuPlayer::GenericSource::sendCacheStats() {
int32_t kbps = 0;
status_t err = UNKNOWN_ERROR;
if (mCachedSource != NULL) {
err = mCachedSource->getEstimatedBandwidthKbps(&kbps);
}
if (err == OK) {
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatCacheStats);
notify->setInt32("bandwidth", kbps);
notify->post();
}
}
void NuPlayer::GenericSource::onMessageReceived(const sp<AMessage> &msg) {
Mutex::Autolock _l(mLock);
switch (msg->what()) {
case kWhatPrepareAsync:
{
onPrepareAsync();
break;
}
case kWhatFetchSubtitleData:
{
fetchTextData(kWhatSendSubtitleData, MEDIA_TRACK_TYPE_SUBTITLE,
mFetchSubtitleDataGeneration, mSubtitleTrack.mPackets, msg);
break;
}
case kWhatFetchTimedTextData:
{
fetchTextData(kWhatSendTimedTextData, MEDIA_TRACK_TYPE_TIMEDTEXT,
mFetchTimedTextDataGeneration, mTimedTextTrack.mPackets, msg);
break;
}
case kWhatSendSubtitleData:
{
sendTextData(kWhatSubtitleData, MEDIA_TRACK_TYPE_SUBTITLE,
mFetchSubtitleDataGeneration, mSubtitleTrack.mPackets, msg);
break;
}
case kWhatSendGlobalTimedTextData:
{
sendGlobalTextData(kWhatTimedTextData, mFetchTimedTextDataGeneration, msg);
break;
}
case kWhatSendTimedTextData:
{
sendTextData(kWhatTimedTextData, MEDIA_TRACK_TYPE_TIMEDTEXT,
mFetchTimedTextDataGeneration, mTimedTextTrack.mPackets, msg);
break;
}
case kWhatChangeAVSource:
{
int32_t trackIndex;
CHECK(msg->findInt32("trackIndex", &trackIndex));
const sp<IMediaSource> source = mSources.itemAt(trackIndex);
Track* track;
const char *mime;
media_track_type trackType, counterpartType;
sp<MetaData> meta = source->getFormat();
meta->findCString(kKeyMIMEType, &mime);
if (!strncasecmp(mime, "audio/", 6)) {
track = &mAudioTrack;
trackType = MEDIA_TRACK_TYPE_AUDIO;
counterpartType = MEDIA_TRACK_TYPE_VIDEO;;
} else {
CHECK(!strncasecmp(mime, "video/", 6));
track = &mVideoTrack;
trackType = MEDIA_TRACK_TYPE_VIDEO;
counterpartType = MEDIA_TRACK_TYPE_AUDIO;;
}
if (track->mSource != NULL) {
track->mSource->stop();
}
track->mSource = source;
track->mSource->start();
track->mIndex = trackIndex;
++mAudioDataGeneration;
++mVideoDataGeneration;
int64_t timeUs, actualTimeUs;
const bool formatChange = true;
if (trackType == MEDIA_TRACK_TYPE_AUDIO) {
timeUs = mAudioLastDequeueTimeUs;
} else {
timeUs = mVideoLastDequeueTimeUs;
}
readBuffer(trackType, timeUs, MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC /* mode */,
&actualTimeUs, formatChange);
readBuffer(counterpartType, -1, MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC /* mode */,
NULL, !formatChange);
ALOGV("timeUs %lld actualTimeUs %lld", (long long)timeUs, (long long)actualTimeUs);
break;
}
case kWhatSeek:
{
onSeek(msg);
break;
}
case kWhatReadBuffer:
{
onReadBuffer(msg);
break;
}
case kWhatPollBuffering:
{
int32_t generation;
CHECK(msg->findInt32("generation", &generation));
if (generation == mPollBufferingGeneration) {
onPollBuffering();
}
break;
}
default:
Source::onMessageReceived(msg);
break;
}
}
void NuPlayer::GenericSource::fetchTextData(
uint32_t sendWhat,
media_track_type type,
int32_t curGen,
const sp<AnotherPacketSource>& packets,
const sp<AMessage>& msg) {
int32_t msgGeneration;
CHECK(msg->findInt32("generation", &msgGeneration));
if (msgGeneration != curGen) {
// stale
return;
}
int32_t avail;
if (packets->hasBufferAvailable(&avail)) {
return;
}
int64_t timeUs;
CHECK(msg->findInt64("timeUs", &timeUs));
int64_t subTimeUs = 0;
readBuffer(type, timeUs, MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC /* mode */, &subTimeUs);
status_t eosResult;
if (!packets->hasBufferAvailable(&eosResult)) {
return;
}
if (msg->what() == kWhatFetchSubtitleData) {
subTimeUs -= 1000000LL; // send subtile data one second earlier
}
sp<AMessage> msg2 = new AMessage(sendWhat, this);
msg2->setInt32("generation", msgGeneration);
mMediaClock->addTimer(msg2, subTimeUs);
}
void NuPlayer::GenericSource::sendTextData(
uint32_t what,
media_track_type type,
int32_t curGen,
const sp<AnotherPacketSource>& packets,
const sp<AMessage>& msg) {
int32_t msgGeneration;
CHECK(msg->findInt32("generation", &msgGeneration));
if (msgGeneration != curGen) {
// stale
return;
}
int64_t subTimeUs;
if (packets->nextBufferTime(&subTimeUs) != OK) {
return;
}
int64_t nextSubTimeUs = 0;
readBuffer(type, -1, MediaPlayerSeekMode::SEEK_PREVIOUS_SYNC /* mode */, &nextSubTimeUs);
sp<ABuffer> buffer;
status_t dequeueStatus = packets->dequeueAccessUnit(&buffer);
if (dequeueStatus == OK) {
sp<AMessage> notify = dupNotify();
notify->setInt32("what", what);
notify->setBuffer("buffer", buffer);
notify->post();
if (msg->what() == kWhatSendSubtitleData) {
nextSubTimeUs -= 1000000LL; // send subtile data one second earlier
}
mMediaClock->addTimer(msg, nextSubTimeUs);
}
}
void NuPlayer::GenericSource::sendGlobalTextData(
uint32_t what,
int32_t curGen,
sp<AMessage> msg) {
int32_t msgGeneration;
CHECK(msg->findInt32("generation", &msgGeneration));
if (msgGeneration != curGen) {
// stale
return;
}
uint32_t textType;
const void *data;
size_t size = 0;
if (mTimedTextTrack.mSource->getFormat()->findData(
kKeyTextFormatData, &textType, &data, &size)) {
mGlobalTimedText = new ABuffer(size);
if (mGlobalTimedText->data()) {
memcpy(mGlobalTimedText->data(), data, size);
sp<AMessage> globalMeta = mGlobalTimedText->meta();
globalMeta->setInt64("timeUs", 0);
globalMeta->setString("mime", MEDIA_MIMETYPE_TEXT_3GPP);
globalMeta->setInt32("global", 1);
sp<AMessage> notify = dupNotify();
notify->setInt32("what", what);
notify->setBuffer("buffer", mGlobalTimedText);
notify->post();
}
}
}
sp<MetaData> NuPlayer::GenericSource::getFormatMeta(bool audio) {
Mutex::Autolock _l(mLock);
return getFormatMeta_l(audio);
}
sp<MetaData> NuPlayer::GenericSource::getFormatMeta_l(bool audio) {
sp<IMediaSource> source = audio ? mAudioTrack.mSource : mVideoTrack.mSource;
if (source == NULL) {
return NULL;
}
return source->getFormat();
}
status_t NuPlayer::GenericSource::dequeueAccessUnit(
bool audio, sp<ABuffer> *accessUnit) {
Mutex::Autolock _l(mLock);
// If has gone through stop/releaseDrm sequence, we no longer send down any buffer b/c
// the codec's crypto object has gone away (b/37960096).
// Note: This will be unnecessary when stop() changes behavior and releases codec (b/35248283).
if (!mStarted && mIsDrmReleased) {
return -EWOULDBLOCK;
}
Track *track = audio ? &mAudioTrack : &mVideoTrack;
if (track->mSource == NULL) {
return -EWOULDBLOCK;
}
status_t finalResult;
if (!track->mPackets->hasBufferAvailable(&finalResult)) {
if (finalResult == OK) {
postReadBuffer(
audio ? MEDIA_TRACK_TYPE_AUDIO : MEDIA_TRACK_TYPE_VIDEO);
return -EWOULDBLOCK;
}
return finalResult;
}
status_t result = track->mPackets->dequeueAccessUnit(accessUnit);
// start pulling in more buffers if cache is running low
// so that decoder has less chance of being starved
if (!mIsStreaming) {
if (track->mPackets->getAvailableBufferCount(&finalResult) < 2) {
postReadBuffer(audio? MEDIA_TRACK_TYPE_AUDIO : MEDIA_TRACK_TYPE_VIDEO);
}
} else {
int64_t durationUs = track->mPackets->getBufferedDurationUs(&finalResult);
// TODO: maxRebufferingMarkMs could be larger than
// mBufferingSettings.mResumePlaybackMarkMs
int64_t restartBufferingMarkUs =
mBufferingSettings.mResumePlaybackMarkMs * 1000LL / 2;
if (finalResult == OK) {
if (durationUs < restartBufferingMarkUs) {
postReadBuffer(audio? MEDIA_TRACK_TYPE_AUDIO : MEDIA_TRACK_TYPE_VIDEO);
}
if (track->mPackets->getAvailableBufferCount(&finalResult) < 2
&& !mSentPauseOnBuffering && !mPreparing) {
mCachedSource->resumeFetchingIfNecessary();
sendCacheStats();
mSentPauseOnBuffering = true;
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatPauseOnBufferingStart);
notify->post();
}
}
}
if (result != OK) {
if (mSubtitleTrack.mSource != NULL) {
mSubtitleTrack.mPackets->clear();
mFetchSubtitleDataGeneration++;
}
if (mTimedTextTrack.mSource != NULL) {
mTimedTextTrack.mPackets->clear();
mFetchTimedTextDataGeneration++;
}
return result;
}
int64_t timeUs;
status_t eosResult; // ignored
CHECK((*accessUnit)->meta()->findInt64("timeUs", &timeUs));
if (audio) {
mAudioLastDequeueTimeUs = timeUs;
} else {
mVideoLastDequeueTimeUs = timeUs;
}
if (mSubtitleTrack.mSource != NULL
&& !mSubtitleTrack.mPackets->hasBufferAvailable(&eosResult)) {
sp<AMessage> msg = new AMessage(kWhatFetchSubtitleData, this);
msg->setInt64("timeUs", timeUs);
msg->setInt32("generation", mFetchSubtitleDataGeneration);
msg->post();
}
if (mTimedTextTrack.mSource != NULL
&& !mTimedTextTrack.mPackets->hasBufferAvailable(&eosResult)) {
sp<AMessage> msg = new AMessage(kWhatFetchTimedTextData, this);
msg->setInt64("timeUs", timeUs);
msg->setInt32("generation", mFetchTimedTextDataGeneration);
msg->post();
}
return result;
}
status_t NuPlayer::GenericSource::getDuration(int64_t *durationUs) {
Mutex::Autolock _l(mLock);
*durationUs = mDurationUs;
return OK;
}
size_t NuPlayer::GenericSource::getTrackCount() const {
Mutex::Autolock _l(mLock);
return mSources.size();
}
sp<AMessage> NuPlayer::GenericSource::getTrackInfo(size_t trackIndex) const {
Mutex::Autolock _l(mLock);
size_t trackCount = mSources.size();
if (trackIndex >= trackCount) {
return NULL;
}
sp<AMessage> format = new AMessage();
sp<MetaData> meta = mSources.itemAt(trackIndex)->getFormat();
if (meta == NULL) {
ALOGE("no metadata for track %zu", trackIndex);
format->setInt32("type", MEDIA_TRACK_TYPE_UNKNOWN);
format->setString("mime", "application/octet-stream");
format->setString("language", "und");
return format;
}
const char *mime;
CHECK(meta->findCString(kKeyMIMEType, &mime));
format->setString("mime", mime);
int32_t trackType;
if (!strncasecmp(mime, "video/", 6)) {
trackType = MEDIA_TRACK_TYPE_VIDEO;
} else if (!strncasecmp(mime, "audio/", 6)) {
trackType = MEDIA_TRACK_TYPE_AUDIO;
} else if (!strcasecmp(mime, MEDIA_MIMETYPE_TEXT_3GPP)) {
trackType = MEDIA_TRACK_TYPE_TIMEDTEXT;
} else {
trackType = MEDIA_TRACK_TYPE_UNKNOWN;
}
format->setInt32("type", trackType);
const char *lang;
if (!meta->findCString(kKeyMediaLanguage, &lang)) {
lang = "und";
}
format->setString("language", lang);
if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
int32_t isAutoselect = 1, isDefault = 0, isForced = 0;
meta->findInt32(kKeyTrackIsAutoselect, &isAutoselect);
meta->findInt32(kKeyTrackIsDefault, &isDefault);
meta->findInt32(kKeyTrackIsForced, &isForced);
format->setInt32("auto", !!isAutoselect);
format->setInt32("default", !!isDefault);
format->setInt32("forced", !!isForced);
}
return format;
}
ssize_t NuPlayer::GenericSource::getSelectedTrack(media_track_type type) const {
Mutex::Autolock _l(mLock);
const Track *track = NULL;
switch (type) {
case MEDIA_TRACK_TYPE_VIDEO:
track = &mVideoTrack;
break;
case MEDIA_TRACK_TYPE_AUDIO:
track = &mAudioTrack;
break;
case MEDIA_TRACK_TYPE_TIMEDTEXT:
track = &mTimedTextTrack;
break;
case MEDIA_TRACK_TYPE_SUBTITLE:
track = &mSubtitleTrack;
break;
default:
break;
}
if (track != NULL && track->mSource != NULL) {
return track->mIndex;
}
return -1;
}
status_t NuPlayer::GenericSource::selectTrack(size_t trackIndex, bool select, int64_t timeUs) {
Mutex::Autolock _l(mLock);
ALOGV("%s track: %zu", select ? "select" : "deselect", trackIndex);
if (trackIndex >= mSources.size()) {
return BAD_INDEX;
}
if (!select) {
Track* track = NULL;
if (mSubtitleTrack.mSource != NULL && trackIndex == mSubtitleTrack.mIndex) {
track = &mSubtitleTrack;
mFetchSubtitleDataGeneration++;
} else if (mTimedTextTrack.mSource != NULL && trackIndex == mTimedTextTrack.mIndex) {
track = &mTimedTextTrack;
mFetchTimedTextDataGeneration++;
}
if (track == NULL) {
return INVALID_OPERATION;
}
track->mSource->stop();
track->mSource = NULL;
track->mPackets->clear();
return OK;
}
const sp<IMediaSource> source = mSources.itemAt(trackIndex);
sp<MetaData> meta = source->getFormat();
const char *mime;
CHECK(meta->findCString(kKeyMIMEType, &mime));
if (!strncasecmp(mime, "text/", 5)) {
bool isSubtitle = strcasecmp(mime, MEDIA_MIMETYPE_TEXT_3GPP);
Track *track = isSubtitle ? &mSubtitleTrack : &mTimedTextTrack;
if (track->mSource != NULL && track->mIndex == trackIndex) {
return OK;
}
track->mIndex = trackIndex;
if (track->mSource != NULL) {
track->mSource->stop();
}
track->mSource = mSources.itemAt(trackIndex);
track->mSource->start();
if (track->mPackets == NULL) {
track->mPackets = new AnotherPacketSource(track->mSource->getFormat());
} else {
track->mPackets->clear();
track->mPackets->setFormat(track->mSource->getFormat());
}
if (isSubtitle) {
mFetchSubtitleDataGeneration++;
} else {
mFetchTimedTextDataGeneration++;
}
status_t eosResult; // ignored
if (mSubtitleTrack.mSource != NULL
&& !mSubtitleTrack.mPackets->hasBufferAvailable(&eosResult)) {
sp<AMessage> msg = new AMessage(kWhatFetchSubtitleData, this);
msg->setInt64("timeUs", timeUs);
msg->setInt32("generation", mFetchSubtitleDataGeneration);
msg->post();
}
sp<AMessage> msg2 = new AMessage(kWhatSendGlobalTimedTextData, this);
msg2->setInt32("generation", mFetchTimedTextDataGeneration);
msg2->post();
if (mTimedTextTrack.mSource != NULL
&& !mTimedTextTrack.mPackets->hasBufferAvailable(&eosResult)) {
sp<AMessage> msg = new AMessage(kWhatFetchTimedTextData, this);
msg->setInt64("timeUs", timeUs);
msg->setInt32("generation", mFetchTimedTextDataGeneration);
msg->post();
}
return OK;
} else if (!strncasecmp(mime, "audio/", 6) || !strncasecmp(mime, "video/", 6)) {
bool audio = !strncasecmp(mime, "audio/", 6);
Track *track = audio ? &mAudioTrack : &mVideoTrack;
if (track->mSource != NULL && track->mIndex == trackIndex) {
return OK;
}
sp<AMessage> msg = new AMessage(kWhatChangeAVSource, this);
msg->setInt32("trackIndex", trackIndex);
msg->post();
return OK;
}
return INVALID_OPERATION;
}
status_t NuPlayer::GenericSource::seekTo(int64_t seekTimeUs, MediaPlayerSeekMode mode) {
ALOGV("seekTo: %lld, %d", (long long)seekTimeUs, mode);
sp<AMessage> msg = new AMessage(kWhatSeek, this);
msg->setInt64("seekTimeUs", seekTimeUs);
msg->setInt32("mode", mode);
// Need to call readBuffer on |mLooper| to ensure the calls to
// IMediaSource::read* are serialized. Note that IMediaSource::read*
// is called without |mLock| acquired and MediaSource is not thread safe.
sp<AMessage> response;
status_t err = msg->postAndAwaitResponse(&response);
if (err == OK && response != NULL) {
CHECK(response->findInt32("err", &err));
}
return err;
}
void NuPlayer::GenericSource::onSeek(const sp<AMessage>& msg) {
int64_t seekTimeUs;
int32_t mode;
CHECK(msg->findInt64("seekTimeUs", &seekTimeUs));
CHECK(msg->findInt32("mode", &mode));
sp<AMessage> response = new AMessage;
status_t err = doSeek(seekTimeUs, (MediaPlayerSeekMode)mode);
response->setInt32("err", err);
sp<AReplyToken> replyID;
CHECK(msg->senderAwaitsResponse(&replyID));
response->postReply(replyID);
}
status_t NuPlayer::GenericSource::doSeek(int64_t seekTimeUs, MediaPlayerSeekMode mode) {
if (mVideoTrack.mSource != NULL) {
++mVideoDataGeneration;
int64_t actualTimeUs;
readBuffer(MEDIA_TRACK_TYPE_VIDEO, seekTimeUs, mode, &actualTimeUs);
if (mode != MediaPlayerSeekMode::SEEK_CLOSEST) {
seekTimeUs = std::max<int64_t>(0, actualTimeUs);
}
mVideoLastDequeueTimeUs = actualTimeUs;
}
if (mAudioTrack.mSource != NULL) {
++mAudioDataGeneration;
readBuffer(MEDIA_TRACK_TYPE_AUDIO, seekTimeUs, MediaPlayerSeekMode::SEEK_CLOSEST);
mAudioLastDequeueTimeUs = seekTimeUs;
}
if (mSubtitleTrack.mSource != NULL) {
mSubtitleTrack.mPackets->clear();
mFetchSubtitleDataGeneration++;
}
if (mTimedTextTrack.mSource != NULL) {
mTimedTextTrack.mPackets->clear();
mFetchTimedTextDataGeneration++;
}
++mPollBufferingGeneration;
schedulePollBuffering();
return OK;
}
sp<ABuffer> NuPlayer::GenericSource::mediaBufferToABuffer(
MediaBufferBase* mb,
media_track_type trackType) {
bool audio = trackType == MEDIA_TRACK_TYPE_AUDIO;
size_t outLength = mb->range_length();
if (audio && mAudioIsVorbis) {
outLength += sizeof(int32_t);
}
sp<ABuffer> ab;
if (mIsDrmProtected) {
// Modular DRM
// Enabled for both video/audio so 1) media buffer is reused without extra copying
// 2) meta data can be retrieved in onInputBufferFetched for calling queueSecureInputBuffer.
// data is already provided in the buffer
ab = new ABuffer(NULL, mb->range_length());
ab->meta()->setObject("mediaBufferHolder", new MediaBufferHolder(mb));
// Modular DRM: Required b/c of the above add_ref.
// If ref>0, there must be an observer, or it'll crash at release().
// TODO: MediaBuffer might need to be revised to ease such need.
mb->setObserver(this);
// Extra increment (since we want to keep mb alive and attached to ab beyond this function
// call. This is to counter the effect of mb->release() towards the end.
mb->add_ref();
} else {
ab = new ABuffer(outLength);
memcpy(ab->data(),
(const uint8_t *)mb->data() + mb->range_offset(),
mb->range_length());
}
if (audio && mAudioIsVorbis) {
int32_t numPageSamples;
if (!mb->meta_data().findInt32(kKeyValidSamples, &numPageSamples)) {
numPageSamples = -1;
}
uint8_t* abEnd = ab->data() + mb->range_length();
memcpy(abEnd, &numPageSamples, sizeof(numPageSamples));
}
sp<AMessage> meta = ab->meta();
int64_t timeUs;
CHECK(mb->meta_data().findInt64(kKeyTime, &timeUs));
meta->setInt64("timeUs", timeUs);
if (trackType == MEDIA_TRACK_TYPE_VIDEO) {
int32_t layerId;
if (mb->meta_data().findInt32(kKeyTemporalLayerId, &layerId)) {
meta->setInt32("temporal-layer-id", layerId);
}
}
if (trackType == MEDIA_TRACK_TYPE_TIMEDTEXT) {
const char *mime;
CHECK(mTimedTextTrack.mSource != NULL
&& mTimedTextTrack.mSource->getFormat()->findCString(kKeyMIMEType, &mime));
meta->setString("mime", mime);
}
int64_t durationUs;
if (mb->meta_data().findInt64(kKeyDuration, &durationUs)) {
meta->setInt64("durationUs", durationUs);
}
if (trackType == MEDIA_TRACK_TYPE_SUBTITLE) {
meta->setInt32("track-index", mSubtitleTrack.mIndex);
}
uint32_t dataType; // unused
const void *seiData;
size_t seiLength;
if (mb->meta_data().findData(kKeySEI, &dataType, &seiData, &seiLength)) {
sp<ABuffer> sei = ABuffer::CreateAsCopy(seiData, seiLength);;
meta->setBuffer("sei", sei);
}
const void *mpegUserDataPointer;
size_t mpegUserDataLength;
if (mb->meta_data().findData(
kKeyMpegUserData, &dataType, &mpegUserDataPointer, &mpegUserDataLength)) {
sp<ABuffer> mpegUserData = ABuffer::CreateAsCopy(mpegUserDataPointer, mpegUserDataLength);
meta->setBuffer("mpeg-user-data", mpegUserData);
}
mb->release();
mb = NULL;
return ab;
}
int32_t NuPlayer::GenericSource::getDataGeneration(media_track_type type) const {
int32_t generation = -1;
switch (type) {
case MEDIA_TRACK_TYPE_VIDEO:
generation = mVideoDataGeneration;
break;
case MEDIA_TRACK_TYPE_AUDIO:
generation = mAudioDataGeneration;
break;
case MEDIA_TRACK_TYPE_TIMEDTEXT:
generation = mFetchTimedTextDataGeneration;
break;
case MEDIA_TRACK_TYPE_SUBTITLE:
generation = mFetchSubtitleDataGeneration;
break;
default:
break;
}
return generation;
}
void NuPlayer::GenericSource::postReadBuffer(media_track_type trackType) {
if ((mPendingReadBufferTypes & (1 << trackType)) == 0) {
mPendingReadBufferTypes |= (1 << trackType);
sp<AMessage> msg = new AMessage(kWhatReadBuffer, this);
msg->setInt32("trackType", trackType);
msg->post();
}
}
void NuPlayer::GenericSource::onReadBuffer(const sp<AMessage>& msg) {
int32_t tmpType;
CHECK(msg->findInt32("trackType", &tmpType));
media_track_type trackType = (media_track_type)tmpType;
mPendingReadBufferTypes &= ~(1 << trackType);
readBuffer(trackType);
}
void NuPlayer::GenericSource::readBuffer(
media_track_type trackType, int64_t seekTimeUs, MediaPlayerSeekMode mode,
int64_t *actualTimeUs, bool formatChange) {
Track *track;
size_t maxBuffers = 1;
switch (trackType) {
case MEDIA_TRACK_TYPE_VIDEO:
track = &mVideoTrack;
maxBuffers = 8; // too large of a number may influence seeks
break;
case MEDIA_TRACK_TYPE_AUDIO:
track = &mAudioTrack;
maxBuffers = 64;
break;
case MEDIA_TRACK_TYPE_SUBTITLE:
track = &mSubtitleTrack;
break;
case MEDIA_TRACK_TYPE_TIMEDTEXT:
track = &mTimedTextTrack;
break;
default:
TRESPASS();
}
if (track->mSource == NULL) {
return;
}
if (actualTimeUs) {
*actualTimeUs = seekTimeUs;
}
MediaSource::ReadOptions options;
bool seeking = false;
if (seekTimeUs >= 0) {
options.setSeekTo(seekTimeUs, mode);
seeking = true;
}
const bool couldReadMultiple = (track->mSource->supportReadMultiple());
if (couldReadMultiple) {
options.setNonBlocking();
}
int32_t generation = getDataGeneration(trackType);
for (size_t numBuffers = 0; numBuffers < maxBuffers; ) {
Vector<MediaBufferBase *> mediaBuffers;
status_t err = NO_ERROR;
sp<IMediaSource> source = track->mSource;
mLock.unlock();
if (couldReadMultiple) {
err = source->readMultiple(
&mediaBuffers, maxBuffers - numBuffers, &options);
} else {
MediaBufferBase *mbuf = NULL;
err = source->read(&mbuf, &options);
if (err == OK && mbuf != NULL) {
mediaBuffers.push_back(mbuf);
}
}
mLock.lock();
options.clearNonPersistent();
size_t id = 0;
size_t count = mediaBuffers.size();
// in case track has been changed since we don't have lock for some time.
if (generation != getDataGeneration(trackType)) {
for (; id < count; ++id) {
mediaBuffers[id]->release();
}
break;
}
for (; id < count; ++id) {
int64_t timeUs;
MediaBufferBase *mbuf = mediaBuffers[id];
if (!mbuf->meta_data().findInt64(kKeyTime, &timeUs)) {
mbuf->meta_data().dumpToLog();
track->mPackets->signalEOS(ERROR_MALFORMED);
break;
}
if (trackType == MEDIA_TRACK_TYPE_AUDIO) {
mAudioTimeUs = timeUs;
} else if (trackType == MEDIA_TRACK_TYPE_VIDEO) {
mVideoTimeUs = timeUs;
}
queueDiscontinuityIfNeeded(seeking, formatChange, trackType, track);
sp<ABuffer> buffer = mediaBufferToABuffer(mbuf, trackType);
if (numBuffers == 0 && actualTimeUs != nullptr) {
*actualTimeUs = timeUs;
}
if (seeking && buffer != nullptr) {
sp<AMessage> meta = buffer->meta();
if (meta != nullptr && mode == MediaPlayerSeekMode::SEEK_CLOSEST
&& seekTimeUs > timeUs) {
sp<AMessage> extra = new AMessage;
extra->setInt64("resume-at-mediaTimeUs", seekTimeUs);
meta->setMessage("extra", extra);
}
}
track->mPackets->queueAccessUnit(buffer);
formatChange = false;
seeking = false;
++numBuffers;
}
if (id < count) {
// Error, some mediaBuffer doesn't have kKeyTime.
for (; id < count; ++id) {
mediaBuffers[id]->release();
}
break;
}
if (err == WOULD_BLOCK) {
break;
} else if (err == INFO_FORMAT_CHANGED) {
#if 0
track->mPackets->queueDiscontinuity(
ATSParser::DISCONTINUITY_FORMATCHANGE,
NULL,
false /* discard */);
#endif
} else if (err != OK) {
queueDiscontinuityIfNeeded(seeking, formatChange, trackType, track);
track->mPackets->signalEOS(err);
break;
}
}
if (mIsStreaming
&& (trackType == MEDIA_TRACK_TYPE_VIDEO || trackType == MEDIA_TRACK_TYPE_AUDIO)) {
status_t finalResult;
int64_t durationUs = track->mPackets->getBufferedDurationUs(&finalResult);
// TODO: maxRebufferingMarkMs could be larger than
// mBufferingSettings.mResumePlaybackMarkMs
int64_t markUs = (mPreparing ? mBufferingSettings.mInitialMarkMs
: mBufferingSettings.mResumePlaybackMarkMs) * 1000LL;
if (finalResult == ERROR_END_OF_STREAM || durationUs >= markUs) {
if (mPreparing || mSentPauseOnBuffering) {
Track *counterTrack =
(trackType == MEDIA_TRACK_TYPE_VIDEO ? &mAudioTrack : &mVideoTrack);
if (counterTrack->mSource != NULL) {
durationUs = counterTrack->mPackets->getBufferedDurationUs(&finalResult);
}
if (finalResult == ERROR_END_OF_STREAM || durationUs >= markUs) {
if (mPreparing) {
notifyPrepared();
mPreparing = false;
} else {
sendCacheStats();
mSentPauseOnBuffering = false;
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatResumeOnBufferingEnd);
notify->post();
}
}
}
return;
}
postReadBuffer(trackType);
}
}
void NuPlayer::GenericSource::queueDiscontinuityIfNeeded(
bool seeking, bool formatChange, media_track_type trackType, Track *track) {
// formatChange && seeking: track whose source is changed during selection
// formatChange && !seeking: track whose source is not changed during selection
// !formatChange: normal seek
if ((seeking || formatChange)
&& (trackType == MEDIA_TRACK_TYPE_AUDIO
|| trackType == MEDIA_TRACK_TYPE_VIDEO)) {
ATSParser::DiscontinuityType type = (formatChange && seeking)
? ATSParser::DISCONTINUITY_FORMATCHANGE
: ATSParser::DISCONTINUITY_NONE;
track->mPackets->queueDiscontinuity(type, NULL /* extra */, true /* discard */);
}
}
void NuPlayer::GenericSource::notifyBufferingUpdate(int32_t percentage) {
// Buffering percent could go backward as it's estimated from remaining
// data and last access time. This could cause the buffering position
// drawn on media control to jitter slightly. Remember previously reported
// percentage and don't allow it to go backward.
if (percentage < mPrevBufferPercentage) {
percentage = mPrevBufferPercentage;
} else if (percentage > 100) {
percentage = 100;
}
mPrevBufferPercentage = percentage;
ALOGV("notifyBufferingUpdate: buffering %d%%", percentage);
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatBufferingUpdate);
notify->setInt32("percentage", percentage);
notify->post();
}
void NuPlayer::GenericSource::schedulePollBuffering() {
sp<AMessage> msg = new AMessage(kWhatPollBuffering, this);
msg->setInt32("generation", mPollBufferingGeneration);
// Enquires buffering status every second.
msg->post(1000000LL);
}
void NuPlayer::GenericSource::onPollBuffering() {
status_t finalStatus = UNKNOWN_ERROR;
int64_t cachedDurationUs = -1LL;
ssize_t cachedDataRemaining = -1;
if (mCachedSource != NULL) {
cachedDataRemaining = mCachedSource->approxDataRemaining(&finalStatus);
if (finalStatus == OK) {
off64_t size;
int64_t bitrate = 0LL;
if (mDurationUs > 0 && mCachedSource->getSize(&size) == OK) {
// |bitrate| uses bits/second unit, while size is number of bytes.
bitrate = size * 8000000LL / mDurationUs;
} else if (mBitrate > 0) {
bitrate = mBitrate;
}
if (bitrate > 0) {
cachedDurationUs = cachedDataRemaining * 8000000LL / bitrate;
}
}
}
if (finalStatus != OK) {
ALOGV("onPollBuffering: EOS (finalStatus = %d)", finalStatus);
if (finalStatus == ERROR_END_OF_STREAM) {
notifyBufferingUpdate(100);
}
if (mPreparing) {
notifyPreparedAndCleanup(finalStatus == ERROR_END_OF_STREAM ? OK : finalStatus);
mPreparing = false;
} else if (mSentPauseOnBuffering) {
sendCacheStats();
mSentPauseOnBuffering = false;
sp<AMessage> notify = dupNotify();
notify->setInt32("what", kWhatResumeOnBufferingEnd);
notify->post();
}
return;
}
if (cachedDurationUs >= 0LL) {
if (mDurationUs > 0LL) {
int64_t cachedPosUs = getLastReadPosition() + cachedDurationUs;
int percentage = 100.0 * cachedPosUs / mDurationUs;
if (percentage > 100) {
percentage = 100;
}
notifyBufferingUpdate(percentage);
}
ALOGV("onPollBuffering: cachedDurationUs %.1f sec", cachedDurationUs / 1000000.0f);
}
schedulePollBuffering();
}
// Modular DRM
status_t NuPlayer::GenericSource::prepareDrm(
const uint8_t uuid[16], const Vector<uint8_t> &drmSessionId, sp<ICrypto> *outCrypto) {
Mutex::Autolock _l(mLock);
ALOGV("prepareDrm");
mIsDrmProtected = false;
mIsDrmReleased = false;
mIsSecure = false;
status_t status = OK;
sp<ICrypto> crypto = NuPlayerDrm::createCryptoAndPlugin(uuid, drmSessionId, status);
if (crypto == NULL) {
ALOGE("prepareDrm: createCrypto failed. status: %d", status);
return status;
}
ALOGV("prepareDrm: createCryptoAndPlugin succeeded for uuid: %s",
DrmUUID::toHexString(uuid).string());
*outCrypto = crypto;
// as long a there is an active crypto
mIsDrmProtected = true;
if (mMimes.size() == 0) {
status = UNKNOWN_ERROR;
ALOGE("prepareDrm: Unexpected. Must have at least one track. status: %d", status);
return status;
}
// first mime in this list is either the video track, or the first audio track
const char *mime = mMimes[0].string();
mIsSecure = crypto->requiresSecureDecoderComponent(mime);
ALOGV("prepareDrm: requiresSecureDecoderComponent mime: %s isSecure: %d",
mime, mIsSecure);
// Checking the member flags while in the looper to send out the notification.
// The legacy mDecryptHandle!=NULL check (for FLAG_PROTECTED) is equivalent to mIsDrmProtected.
notifyFlagsChanged(
(mIsSecure ? FLAG_SECURE : 0) |
// Setting "protected screen" only for L1: b/38390836
(mIsSecure ? FLAG_PROTECTED : 0) |
FLAG_CAN_PAUSE |
FLAG_CAN_SEEK_BACKWARD |
FLAG_CAN_SEEK_FORWARD |
FLAG_CAN_SEEK);
if (status == OK) {
ALOGV("prepareDrm: mCrypto: %p (%d)", outCrypto->get(),
(*outCrypto != NULL ? (*outCrypto)->getStrongCount() : 0));
ALOGD("prepareDrm ret: %d ", status);
} else {
ALOGE("prepareDrm err: %d", status);
}
return status;
}
status_t NuPlayer::GenericSource::releaseDrm() {
Mutex::Autolock _l(mLock);
ALOGV("releaseDrm");
if (mIsDrmProtected) {
mIsDrmProtected = false;
// to prevent returning any more buffer after stop/releaseDrm (b/37960096)
mIsDrmReleased = true;
ALOGV("releaseDrm: mIsDrmProtected is reset.");
} else {
ALOGE("releaseDrm: mIsDrmProtected is already false.");
}
return OK;
}
status_t NuPlayer::GenericSource::checkDrmInfo()
{
// clearing the flag at prepare in case the player is reused after stop/releaseDrm with the
// same source without being reset (called by prepareAsync/initFromDataSource)
mIsDrmReleased = false;
if (mFileMeta == NULL) {
ALOGI("checkDrmInfo: No metadata");
return OK; // letting the caller responds accordingly
}
uint32_t type;
const void *pssh;
size_t psshsize;
if (!mFileMeta->findData(kKeyPssh, &type, &pssh, &psshsize)) {
ALOGV("checkDrmInfo: No PSSH");
return OK; // source without DRM info
}
Parcel parcel;
NuPlayerDrm::retrieveDrmInfo(pssh, psshsize, &parcel);
ALOGV("checkDrmInfo: MEDIA_DRM_INFO PSSH size: %d Parcel size: %d objects#: %d",
(int)psshsize, (int)parcel.dataSize(), (int)parcel.objectsCount());
if (parcel.dataSize() == 0) {
ALOGE("checkDrmInfo: Unexpected parcel size: 0");
return UNKNOWN_ERROR;
}
// Can't pass parcel as a message to the player. Converting Parcel->ABuffer to pass it
// to the Player's onSourceNotify then back to Parcel for calling driver's notifyListener.
sp<ABuffer> drmInfoBuffer = ABuffer::CreateAsCopy(parcel.data(), parcel.dataSize());
notifyDrmInfo(drmInfoBuffer);
return OK;
}
void NuPlayer::GenericSource::signalBufferReturned(MediaBufferBase *buffer)
{
//ALOGV("signalBufferReturned %p refCount: %d", buffer, buffer->localRefcount());
buffer->setObserver(NULL);
buffer->release(); // this leads to delete since that there is no observor
}
} // namespace android
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