NuCachedSource2.cpp revision 5b1b8a93a07326f1cbc627f09e02988375189e0a
15994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber/* 25994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * Copyright (C) 2010 The Android Open Source Project 35994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * 45994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 55994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * you may not use this file except in compliance with the License. 65994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * You may obtain a copy of the License at 75994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * 85994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 95994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * 105994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * Unless required by applicable law or agreed to in writing, software 115994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 125994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 135994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * See the License for the specific language governing permissions and 145994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber * limitations under the License. 155994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber */ 165994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 17ac05c317cd818701535c5d72ce90da98c4bae75bAndreas Huber//#define LOG_NDEBUG 0 185994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber#define LOG_TAG "NuCachedSource2" 195994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber#include <utils/Log.h> 205994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 215994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber#include "include/NuCachedSource2.h" 225b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong#include "include/HTTPBase.h" 235994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 245994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber#include <media/stagefright/foundation/ADebug.h> 255994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber#include <media/stagefright/foundation/AMessage.h> 265994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber#include <media/stagefright/MediaErrors.h> 275994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 285994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubernamespace android { 295994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 305994b4798b01f3dd340577c9ea9657f09093a770Andreas Huberstruct PageCache { 315994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber PageCache(size_t pageSize); 325994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber ~PageCache(); 335994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 345994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber struct Page { 355994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber void *mData; 365994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t mSize; 375994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber }; 385994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 395994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Page *acquirePage(); 405994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber void releasePage(Page *page); 415994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 425994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber void appendPage(Page *page); 435994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t releaseFromStart(size_t maxBytes); 445994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 455994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t totalSize() const { 465994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return mTotalSize; 475994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 485994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 495994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber void copy(size_t from, void *data, size_t size); 505994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 515994b4798b01f3dd340577c9ea9657f09093a770Andreas Huberprivate: 525994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t mPageSize; 535994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t mTotalSize; 545994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 555994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber List<Page *> mActivePages; 565994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber List<Page *> mFreePages; 575994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 585994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber void freePages(List<Page *> *list); 595994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 605994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber DISALLOW_EVIL_CONSTRUCTORS(PageCache); 615994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber}; 625994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 635994b4798b01f3dd340577c9ea9657f09093a770Andreas HuberPageCache::PageCache(size_t pageSize) 645994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber : mPageSize(pageSize), 655994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mTotalSize(0) { 665994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 675994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 685994b4798b01f3dd340577c9ea9657f09093a770Andreas HuberPageCache::~PageCache() { 695994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber freePages(&mActivePages); 705994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber freePages(&mFreePages); 715994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 725994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 735994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubervoid PageCache::freePages(List<Page *> *list) { 745994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber List<Page *>::iterator it = list->begin(); 755994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber while (it != list->end()) { 765994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Page *page = *it; 775994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 785994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber free(page->mData); 795994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber delete page; 805994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber page = NULL; 815994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 825994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber ++it; 835994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 845994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 855994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 865994b4798b01f3dd340577c9ea9657f09093a770Andreas HuberPageCache::Page *PageCache::acquirePage() { 875994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (!mFreePages.empty()) { 885994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber List<Page *>::iterator it = mFreePages.begin(); 895994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Page *page = *it; 905994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFreePages.erase(it); 915994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 925994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return page; 935994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 945994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 955994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Page *page = new Page; 965994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber page->mData = malloc(mPageSize); 975994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber page->mSize = 0; 985994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 995994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return page; 1005994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 1015994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1025994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubervoid PageCache::releasePage(Page *page) { 1035994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber page->mSize = 0; 1045994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFreePages.push_back(page); 1055994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 1065994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1075994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubervoid PageCache::appendPage(Page *page) { 1085994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mTotalSize += page->mSize; 1095994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mActivePages.push_back(page); 1105994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 1115994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1125994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubersize_t PageCache::releaseFromStart(size_t maxBytes) { 1135994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t bytesReleased = 0; 1145994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1155994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber while (maxBytes > 0 && !mActivePages.empty()) { 1165994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber List<Page *>::iterator it = mActivePages.begin(); 1175994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1185994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Page *page = *it; 1195994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1205994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (maxBytes < page->mSize) { 1215994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber break; 1225994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 1235994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1245994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mActivePages.erase(it); 1255994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1265994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber maxBytes -= page->mSize; 1275994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber bytesReleased += page->mSize; 1285994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1295994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber releasePage(page); 1305994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 1315994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1325994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mTotalSize -= bytesReleased; 1335994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return bytesReleased; 1345994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 1355994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1365994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubervoid PageCache::copy(size_t from, void *data, size_t size) { 1376e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("copy from %d size %d", from, size); 1385994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 139310962976d575c0a97ec7a768e9cca0b2361daeaAndreas Huber if (size == 0) { 140310962976d575c0a97ec7a768e9cca0b2361daeaAndreas Huber return; 141310962976d575c0a97ec7a768e9cca0b2361daeaAndreas Huber } 142310962976d575c0a97ec7a768e9cca0b2361daeaAndreas Huber 1435994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK_LE(from + size, mTotalSize); 1445994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1455994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t offset = 0; 1465994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber List<Page *>::iterator it = mActivePages.begin(); 1475994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber while (from >= offset + (*it)->mSize) { 1485994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber offset += (*it)->mSize; 1495994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber ++it; 1505994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 1515994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1525994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t delta = from - offset; 1535994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t avail = (*it)->mSize - delta; 1545994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1555994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (avail >= size) { 1565994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber memcpy(data, (const uint8_t *)(*it)->mData + delta, size); 1575994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return; 1585994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 1595994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1605994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber memcpy(data, (const uint8_t *)(*it)->mData + delta, avail); 1615994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber ++it; 1625994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber data = (uint8_t *)data + avail; 1635994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size -= avail; 1645994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1655994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber while (size > 0) { 1665994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t copy = (*it)->mSize; 1675994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (copy > size) { 1685994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber copy = size; 1695994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 1705994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber memcpy(data, (*it)->mData, copy); 1715994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber data = (uint8_t *)data + copy; 1725994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size -= copy; 1735994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber ++it; 1745994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 1755994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 1765994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1775994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber//////////////////////////////////////////////////////////////////////////////// 1785994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1795994b4798b01f3dd340577c9ea9657f09093a770Andreas HuberNuCachedSource2::NuCachedSource2(const sp<DataSource> &source) 1805994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber : mSource(source), 1815994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mReflector(new AHandlerReflector<NuCachedSource2>(this)), 1825994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLooper(new ALooper), 1835994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCache(new PageCache(kPageSize)), 1845994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCacheOffset(0), 1855994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFinalStatus(OK), 1865994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLastAccessPos(0), 187a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber mFetching(true), 188a44153c1a57202fb538659eb50706e60454d6273Andreas Huber mLastFetchTimeUs(-1) { 189a814c1fdc2acf0ed2ee3b175110f6039be7c4873Andreas Huber mLooper->setName("NuCachedSource2"); 1905994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLooper->registerHandler(mReflector); 1915994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLooper->start(); 1925994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1935994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Mutex::Autolock autoLock(mLock); 1945994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber (new AMessage(kWhatFetchMore, mReflector->id()))->post(); 1955994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 1965994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 1975994b4798b01f3dd340577c9ea9657f09093a770Andreas HuberNuCachedSource2::~NuCachedSource2() { 1985994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLooper->stop(); 1995994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLooper->unregisterHandler(mReflector->id()); 2005994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2015994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber delete mCache; 2025994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCache = NULL; 2035994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 2045994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2055b1b8a93a07326f1cbc627f09e02988375189e0aJames Dongstatus_t NuCachedSource2::getEstimatedBandwidthKbps(int32_t *kbps) { 2065b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong HTTPBase* source = static_cast<HTTPBase *>(mSource.get()); 2075b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong return source->getEstimatedBandwidthKbps(kbps); 2085b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong} 2095b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong 2105b1b8a93a07326f1cbc627f09e02988375189e0aJames Dongstatus_t NuCachedSource2::setCacheStatCollectFreq(int32_t freqMs) { 2115b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong HTTPBase *source = static_cast<HTTPBase *>(mSource.get()); 2125b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong return source->setBandwidthStatCollectFreq(freqMs); 2135b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong} 2145b1b8a93a07326f1cbc627f09e02988375189e0aJames Dong 2155994b4798b01f3dd340577c9ea9657f09093a770Andreas Huberstatus_t NuCachedSource2::initCheck() const { 2165994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return mSource->initCheck(); 2175994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 2185994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 219c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t NuCachedSource2::getSize(off64_t *size) { 2205994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return mSource->getSize(size); 2215994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 2225994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2235994b4798b01f3dd340577c9ea9657f09093a770Andreas Huberuint32_t NuCachedSource2::flags() { 224bff07d0b22a5ee2d9f044f6cb5e4be1532017ab0Andreas Huber return (mSource->flags() & ~kWantsPrefetching) | kIsCachingDataSource; 2255994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 2265994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2275994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubervoid NuCachedSource2::onMessageReceived(const sp<AMessage> &msg) { 2285994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber switch (msg->what()) { 2295994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber case kWhatFetchMore: 2305994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber { 2315994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber onFetch(); 2325994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber break; 2335994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 2345994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2355994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber case kWhatRead: 2365994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber { 2375994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber onRead(msg); 2385994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber break; 2395994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 2405994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2415994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber default: 2425994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber TRESPASS(); 2435994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 2445994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 2455994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2465994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubervoid NuCachedSource2::fetchInternal() { 2476e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("fetchInternal"); 2485994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2495994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK_EQ(mFinalStatus, (status_t)OK); 2505994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2515994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber PageCache::Page *page = mCache->acquirePage(); 2525994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2535994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber ssize_t n = mSource->readAt( 2545994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCacheOffset + mCache->totalSize(), page->mData, kPageSize); 2555994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2565994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Mutex::Autolock autoLock(mLock); 2575994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2585994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (n < 0) { 2596e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGE("source returned error %ld", n); 2605994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFinalStatus = n; 2615994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCache->releasePage(page); 2625994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } else if (n == 0) { 2636e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGI("ERROR_END_OF_STREAM"); 2645994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFinalStatus = ERROR_END_OF_STREAM; 2655994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCache->releasePage(page); 2665994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } else { 2675994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber page->mSize = n; 2685994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCache->appendPage(page); 2695994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 2705994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 2715994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2725994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubervoid NuCachedSource2::onFetch() { 2736e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("onFetch"); 2745994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 2755994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (mFinalStatus != OK) { 2766e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("EOS reached, done prefetching for now"); 2775994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFetching = false; 2785994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 2795994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 280a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber bool keepAlive = 281a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber !mFetching 282a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber && mFinalStatus == OK 283a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber && ALooper::GetNowUs() >= mLastFetchTimeUs + kKeepAliveIntervalUs; 284a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber 285a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber if (mFetching || keepAlive) { 286a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber if (keepAlive) { 2876e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGI("Keep alive"); 288a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber } 289a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber 2905994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber fetchInternal(); 2915994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 292a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber mLastFetchTimeUs = ALooper::GetNowUs(); 293a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber 294a5273ebd1746368662a597643d6701a5046d5c7bAndreas Huber if (mFetching && mCache->totalSize() >= kHighWaterThreshold) { 2956e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGI("Cache full, done prefetching for now"); 2965994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFetching = false; 2975994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 298a44153c1a57202fb538659eb50706e60454d6273Andreas Huber } else { 299d17875a226491e3de60fa32d764a4cc92de7f949Andreas Huber Mutex::Autolock autoLock(mLock); 3005994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber restartPrefetcherIfNecessary_l(); 3015994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 3025994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3035994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber (new AMessage(kWhatFetchMore, mReflector->id()))->post( 3045994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFetching ? 0 : 100000ll); 3055994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 3065994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3075994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubervoid NuCachedSource2::onRead(const sp<AMessage> &msg) { 3086e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("onRead"); 3095994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3105994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber int64_t offset; 3115994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK(msg->findInt64("offset", &offset)); 3125994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3135994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber void *data; 3145994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK(msg->findPointer("data", &data)); 3155994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3165994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t size; 3175994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK(msg->findSize("size", &size)); 3185994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3195994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber ssize_t result = readInternal(offset, data, size); 3205994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3215994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (result == -EAGAIN) { 3225994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber msg->post(50000); 3235994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return; 3245994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 3255994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3265994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Mutex::Autolock autoLock(mLock); 3275994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3285994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK(mAsyncResult == NULL); 3295994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3305994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mAsyncResult = new AMessage; 3315994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mAsyncResult->setInt32("result", result); 3325994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3335994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCondition.signal(); 3345994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 3355994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 33634ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Hubervoid NuCachedSource2::restartPrefetcherIfNecessary_l( 3377bf8413f91fc072452f315a91618aeef2574d420Andreas Huber bool ignoreLowWaterThreshold, bool force) { 3386ee94582e3ce7bdd9625345e7564e3176a51a2f3James Dong static const size_t kGrayArea = 1024 * 1024; 3395994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3405994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (mFetching || mFinalStatus != OK) { 3415994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return; 3425994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 3435994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3447bf8413f91fc072452f315a91618aeef2574d420Andreas Huber if (!ignoreLowWaterThreshold && !force 34534ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Huber && mCacheOffset + mCache->totalSize() - mLastAccessPos 34634ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Huber >= kLowWaterThreshold) { 3475994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return; 3485994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 3495994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3505994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t maxBytes = mLastAccessPos - mCacheOffset; 3515994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3527bf8413f91fc072452f315a91618aeef2574d420Andreas Huber if (!force) { 3537bf8413f91fc072452f315a91618aeef2574d420Andreas Huber if (maxBytes < kGrayArea) { 3547bf8413f91fc072452f315a91618aeef2574d420Andreas Huber return; 3557bf8413f91fc072452f315a91618aeef2574d420Andreas Huber } 3567bf8413f91fc072452f315a91618aeef2574d420Andreas Huber 3577bf8413f91fc072452f315a91618aeef2574d420Andreas Huber maxBytes -= kGrayArea; 3587bf8413f91fc072452f315a91618aeef2574d420Andreas Huber } 3595994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3605994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t actualBytes = mCache->releaseFromStart(maxBytes); 3615994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCacheOffset += actualBytes; 3625994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3636e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGI("restarting prefetcher, totalSize = %d", mCache->totalSize()); 3645994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFetching = true; 3655994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 3665994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 367c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongssize_t NuCachedSource2::readAt(off64_t offset, void *data, size_t size) { 3685994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Mutex::Autolock autoSerializer(mSerializer); 3695994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 370145e68fc778275963189b02a1adcbe27cce4d769Andreas Huber LOGV("readAt offset %lld, size %d", offset, size); 3715994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3725994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Mutex::Autolock autoLock(mLock); 3735994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3745994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber // If the request can be completely satisfied from the cache, do so. 3755994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3765994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (offset >= mCacheOffset 3775994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber && offset + size <= mCacheOffset + mCache->totalSize()) { 3785994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t delta = offset - mCacheOffset; 3795994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCache->copy(delta, data, size); 3805994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3815994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLastAccessPos = offset + size; 3825994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3835994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return size; 3845994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 3855994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3865994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber sp<AMessage> msg = new AMessage(kWhatRead, mReflector->id()); 3875994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber msg->setInt64("offset", offset); 3885994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber msg->setPointer("data", data); 3895994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber msg->setSize("size", size); 3905994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3915994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK(mAsyncResult == NULL); 3925994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber msg->post(); 3935994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3945994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber while (mAsyncResult == NULL) { 3955994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCondition.wait(mLock); 3965994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 3975994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 3985994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber int32_t result; 3995994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK(mAsyncResult->findInt32("result", &result)); 4005994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4015994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mAsyncResult.clear(); 4025994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4035994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (result > 0) { 4045994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLastAccessPos = offset + result; 4055994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 4065994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4075994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return (ssize_t)result; 4085994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 4095994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4105994b4798b01f3dd340577c9ea9657f09093a770Andreas Hubersize_t NuCachedSource2::cachedSize() { 4115994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Mutex::Autolock autoLock(mLock); 4125994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return mCacheOffset + mCache->totalSize(); 4135994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 4145994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4151bd233ce7e1aa7730bc18d46ffd57791391738cdBryan Mawhinneysize_t NuCachedSource2::approxDataRemaining(status_t *finalStatus) { 4165994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Mutex::Autolock autoLock(mLock); 4171bd233ce7e1aa7730bc18d46ffd57791391738cdBryan Mawhinney return approxDataRemaining_l(finalStatus); 4185994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 4195994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4201bd233ce7e1aa7730bc18d46ffd57791391738cdBryan Mawhinneysize_t NuCachedSource2::approxDataRemaining_l(status_t *finalStatus) { 4211bd233ce7e1aa7730bc18d46ffd57791391738cdBryan Mawhinney *finalStatus = mFinalStatus; 422c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t lastBytePosCached = mCacheOffset + mCache->totalSize(); 4235994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (mLastAccessPos < lastBytePosCached) { 4245994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return lastBytePosCached - mLastAccessPos; 4255994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 4265994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return 0; 4275994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 4285994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 429c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongssize_t NuCachedSource2::readInternal(off64_t offset, void *data, size_t size) { 4307bf8413f91fc072452f315a91618aeef2574d420Andreas Huber CHECK_LE(size, (size_t)kHighWaterThreshold); 4317bf8413f91fc072452f315a91618aeef2574d420Andreas Huber 432145e68fc778275963189b02a1adcbe27cce4d769Andreas Huber LOGV("readInternal offset %lld size %d", offset, size); 4335994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4345994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber Mutex::Autolock autoLock(mLock); 4355994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4367bf8413f91fc072452f315a91618aeef2574d420Andreas Huber if (!mFetching) { 4377bf8413f91fc072452f315a91618aeef2574d420Andreas Huber mLastAccessPos = offset; 4387bf8413f91fc072452f315a91618aeef2574d420Andreas Huber restartPrefetcherIfNecessary_l( 4397bf8413f91fc072452f315a91618aeef2574d420Andreas Huber false, // ignoreLowWaterThreshold 4407bf8413f91fc072452f315a91618aeef2574d420Andreas Huber true); // force 4417bf8413f91fc072452f315a91618aeef2574d420Andreas Huber } 4427bf8413f91fc072452f315a91618aeef2574d420Andreas Huber 4435994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (offset < mCacheOffset 444c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong || offset >= (off64_t)(mCacheOffset + mCache->totalSize())) { 4456ee94582e3ce7bdd9625345e7564e3176a51a2f3James Dong static const off64_t kPadding = 256 * 1024; 4465994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4475994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber // In the presence of multiple decoded streams, once of them will 4485994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber // trigger this seek request, the other one will request data "nearby" 4495994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber // soon, adjust the seek position so that that subsequent request 4505994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber // does not trigger another seek. 451c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t seekOffset = (offset > kPadding) ? offset - kPadding : 0; 4525994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4535994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber seekInternal_l(seekOffset); 4545994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 4555994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4565994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t delta = offset - mCacheOffset; 4575994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4585994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (mFinalStatus != OK) { 4595994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (delta >= mCache->totalSize()) { 4605994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return mFinalStatus; 4615994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 4625994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4636f5aae1bcba130d5b8092a19fca3627aa565df56Andreas Huber size_t avail = mCache->totalSize() - delta; 46467802977b6f0aa8d6f14f85dadcf32a3cadb9c07Andreas Huber 46567802977b6f0aa8d6f14f85dadcf32a3cadb9c07Andreas Huber if (avail > size) { 46667802977b6f0aa8d6f14f85dadcf32a3cadb9c07Andreas Huber avail = size; 46767802977b6f0aa8d6f14f85dadcf32a3cadb9c07Andreas Huber } 46867802977b6f0aa8d6f14f85dadcf32a3cadb9c07Andreas Huber 4695994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCache->copy(delta, data, avail); 4705994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4715994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return avail; 4725994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 4735994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4745994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (offset + size <= mCacheOffset + mCache->totalSize()) { 4755994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCache->copy(delta, data, size); 4765994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4775994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return size; 4785994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 4795994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4806e4c5c499999c04c2477b987f9e64f3ff2bf1a06Andreas Huber LOGV("deferring read"); 4815994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4825994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return -EAGAIN; 4835994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 4845994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 485c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t NuCachedSource2::seekInternal_l(off64_t offset) { 4865994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mLastAccessPos = offset; 4875994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4885994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber if (offset >= mCacheOffset 489c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong && offset <= (off64_t)(mCacheOffset + mCache->totalSize())) { 4905994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return OK; 4915994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber } 4925994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4937fe4ed1207fa587c65231f9a32374ae4b618d6c0Andreas Huber LOGI("new range: offset= %lld", offset); 4945994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4955994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mCacheOffset = offset; 4965994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 4975994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber size_t totalSize = mCache->totalSize(); 4985994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber CHECK_EQ(mCache->releaseFromStart(totalSize), totalSize); 4995994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 5005994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFinalStatus = OK; 5015994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber mFetching = true; 5025994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 5035994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber return OK; 5045994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} 5055994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber 50634ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Hubervoid NuCachedSource2::resumeFetchingIfNecessary() { 50734ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Huber Mutex::Autolock autoLock(mLock); 50834ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Huber 50934ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Huber restartPrefetcherIfNecessary_l(true /* ignore low water threshold */); 51034ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Huber} 51134ef0f32c8fc0186236a27e07405328cc1f7c56dAndreas Huber 512b5ce361d19e69fe156f7188c9ee0f4734b259874Gloria Wangsp<DecryptHandle> NuCachedSource2::DrmInitialization() { 513889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang return mSource->DrmInitialization(); 514b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang} 515b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 516b5ce361d19e69fe156f7188c9ee0f4734b259874Gloria Wangvoid NuCachedSource2::getDrmInfo(sp<DecryptHandle> &handle, DrmManagerClient **client) { 517b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang mSource->getDrmInfo(handle, client); 518b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang} 519b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 520771b85d9245a24273497792a2515d88d31c99e1eGloria WangString8 NuCachedSource2::getUri() { 521771b85d9245a24273497792a2515d88d31c99e1eGloria Wang return mSource->getUri(); 522771b85d9245a24273497792a2515d88d31c99e1eGloria Wang} 523ac05c317cd818701535c5d72ce90da98c4bae75bAndreas Huber 5246511c9755c3a3360ba869772600c7aae048a7ffcAndreas HuberString8 NuCachedSource2::getMIMEType() const { 5256511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber return mSource->getMIMEType(); 5266511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber} 5276511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber 5285994b4798b01f3dd340577c9ea9657f09093a770Andreas Huber} // namespace android 529