120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber/* 220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Copyright (C) 2009 The Android Open Source Project 320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Licensed under the Apache License, Version 2.0 (the "License"); 520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * you may not use this file except in compliance with the License. 620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * You may obtain a copy of the License at 720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * http://www.apache.org/licenses/LICENSE-2.0 920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * 1020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * Unless required by applicable law or agreed to in writing, software 1120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * distributed under the License is distributed on an "AS IS" BASIS, 1220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 1320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * See the License for the specific language governing permissions and 1420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber * limitations under the License. 1520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber */ 1620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 174f82a25c07c3ffc8d44d61797043f9864058afdfMarco Nelissen//#define LOG_NDEBUG 0 184f82a25c07c3ffc8d44d61797043f9864058afdfMarco Nelissen#define LOG_TAG "FileSource" 194f82a25c07c3ffc8d44d61797043f9864058afdfMarco Nelissen#include <utils/Log.h> 204f82a25c07c3ffc8d44d61797043f9864058afdfMarco Nelissen 21f1d5aa162c02a16b7195a43a9bcea4d592600ac4James Dong#include <media/stagefright/foundation/ADebug.h> 2220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/FileSource.h> 2383b0fd9997b558f6c2ebf5e6e4db20570cb233b8Marco Nelissen#include <media/stagefright/Utils.h> 24c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong#include <sys/types.h> 25c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong#include <unistd.h> 26674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong#include <sys/types.h> 27674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong#include <sys/stat.h> 28674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong#include <fcntl.h> 2920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3020111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 3120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 3220111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberFileSource::FileSource(const char *filename) 33674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong : mFd(-1), 3403475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber mOffset(0), 35dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mLength(-1), 3669d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen mName("<null>"), 37dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDecryptHandle(NULL), 38dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmManagerClient(NULL), 39dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBufOffset(0), 40dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBufSize(0), 41dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBuf(NULL){ 42674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong 4369d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen if (filename) { 4469d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen mName = String8::format("FileSource(%s)", filename); 4569d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen } 4683b0fd9997b558f6c2ebf5e6e4db20570cb233b8Marco Nelissen ALOGV("%s", filename); 47674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong mFd = open(filename, O_LARGEFILE | O_RDONLY); 484ee31e2603b4019e4ae76e027115f80b818527aaAndreas Huber 494ee31e2603b4019e4ae76e027115f80b818527aaAndreas Huber if (mFd >= 0) { 504ee31e2603b4019e4ae76e027115f80b818527aaAndreas Huber mLength = lseek64(mFd, 0, SEEK_END); 51f4b7d94062c896dca565d849c6188cd3489be257Andreas Huber } else { 52f4b7d94062c896dca565d849c6188cd3489be257Andreas Huber ALOGE("Failed to open file '%s'. (%s)", filename, strerror(errno)); 534ee31e2603b4019e4ae76e027115f80b818527aaAndreas Huber } 5403475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber} 5503475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber 5603475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas HuberFileSource::FileSource(int fd, int64_t offset, int64_t length) 57674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong : mFd(fd), 5803475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber mOffset(offset), 59dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mLength(length), 6069d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen mName("<null>"), 61dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDecryptHandle(NULL), 62dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmManagerClient(NULL), 63dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBufOffset(0), 64dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBufSize(0), 6563690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen mDrmBuf(NULL) { 6683b0fd9997b558f6c2ebf5e6e4db20570cb233b8Marco Nelissen ALOGV("fd=%d (%s), offset=%lld, length=%lld", 6783b0fd9997b558f6c2ebf5e6e4db20570cb233b8Marco Nelissen fd, nameForFd(fd).c_str(), (long long) offset, (long long) length); 6883b0fd9997b558f6c2ebf5e6e4db20570cb233b8Marco Nelissen 6963690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen if (mOffset < 0) { 7063690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen mOffset = 0; 7163690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen } 7263690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen if (mLength < 0) { 7363690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen mLength = 0; 7463690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen } 7563690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen if (mLength > INT64_MAX - mOffset) { 7663690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen mLength = INT64_MAX - mOffset; 7763690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen } 7863690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen struct stat s; 7963690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen if (fstat(fd, &s) == 0) { 8063690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen if (mOffset > s.st_size) { 8163690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen mOffset = s.st_size; 8263690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen mLength = 0; 8363690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen } 8463690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen if (mOffset + mLength > s.st_size) { 8563690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen mLength = s.st_size - mOffset; 8663690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen } 8763690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen } 8863690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen if (mOffset != offset || mLength != length) { 8963690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen ALOGW("offset/length adjusted from %lld/%lld to %lld/%lld", 9063690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen (long long) offset, (long long) length, 9163690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen (long long) mOffset, (long long) mLength); 9263690d1588cb24929da7ced24ec341ed2a003825Marco Nelissen } 9369d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen 9469d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen mName = String8::format( 9569d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen "FileSource(fd(%s), %lld, %lld)", 9669d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen nameForFd(fd).c_str(), 9769d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen (long long) mOffset, 9869d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen (long long) mLength); 9969d3d8a9540b0da787ea0beccad2517f057dd54dMarco Nelissen 10020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 10120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10220111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberFileSource::~FileSource() { 103674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong if (mFd >= 0) { 104fbe7fcfe818b6f68e352c7c450d4fe15a543b801Marco Nelissen ::close(mFd); 105674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong mFd = -1; 10620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 107dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 108dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDrmBuf != NULL) { 109dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang delete[] mDrmBuf; 110dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBuf = NULL; 111dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 112889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang 113889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang if (mDecryptHandle != NULL) { 114889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang // To release mDecryptHandle 1158f64134f749e4f7861a08a3063450fc714c4651dGloria Wang CHECK(mDrmManagerClient); 116889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang mDrmManagerClient->closeDecryptSession(mDecryptHandle); 117889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang mDecryptHandle = NULL; 118889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang } 119889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang 120889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang if (mDrmManagerClient != NULL) { 121889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang delete mDrmManagerClient; 122889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang mDrmManagerClient = NULL; 123889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang } 12420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 12520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 12634769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huberstatus_t FileSource::initCheck() const { 127674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong return mFd >= 0 ? OK : NO_INIT; 12820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 12920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 130c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongssize_t FileSource::readAt(off64_t offset, void *data, size_t size) { 131674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong if (mFd < 0) { 1323d8055ac96170de7a8c49b9ffbe83ed447ccddceAndreas Huber return NO_INIT; 1333d8055ac96170de7a8c49b9ffbe83ed447ccddceAndreas Huber } 1343d8055ac96170de7a8c49b9ffbe83ed447ccddceAndreas Huber 13520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Mutex::Autolock autoLock(mLock); 13620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 13703475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber if (mLength >= 0) { 13803475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber if (offset >= mLength) { 13903475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber return 0; // read beyond EOF. 14003475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber } 1410eaf820756bf584284f246b6ba79968efbd08fafWei Jia uint64_t numAvailable = mLength - offset; 1420eaf820756bf584284f246b6ba79968efbd08fafWei Jia if ((uint64_t)size > numAvailable) { 14303475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber size = numAvailable; 14403475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber } 14503475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber } 14603475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber 147dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDecryptHandle != NULL && DecryptApiType::CONTAINER_BASED 148dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang == mDecryptHandle->decryptApiType) { 149dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return readAtDRM(offset, data, size); 150dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 151c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong off64_t result = lseek64(mFd, offset + mOffset, SEEK_SET); 152c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong if (result == -1) { 153ee4e1b1a63758941460ae79a064249d3a5189443Lajos Molnar ALOGE("seek to %lld failed", (long long)(offset + mOffset)); 154dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return UNKNOWN_ERROR; 155dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 15620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 157c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dong return ::read(mFd, data, size); 158dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 15903475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber} 16003475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber 161c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t FileSource::getSize(off64_t *size) { 1623a13fad63af40a8364fce796b1a54a8f0a2fbf32Andreas Huber Mutex::Autolock autoLock(mLock); 1633a13fad63af40a8364fce796b1a54a8f0a2fbf32Andreas Huber 164674ebd0b4e1143e38392a4e3bb38b4679a4577bcJames Dong if (mFd < 0) { 1653d8055ac96170de7a8c49b9ffbe83ed447ccddceAndreas Huber return NO_INIT; 1663d8055ac96170de7a8c49b9ffbe83ed447ccddceAndreas Huber } 1673d8055ac96170de7a8c49b9ffbe83ed447ccddceAndreas Huber 1684ee31e2603b4019e4ae76e027115f80b818527aaAndreas Huber *size = mLength; 16920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 17003475f5af25e4aa32d46d41dd2ec756853d8dd9dAndreas Huber return OK; 17120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 17220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 1739d2f386dd2885eaffa11fd494ae258bb09fe6397James Dongsp<DecryptHandle> FileSource::DrmInitialization(const char *mime) { 174889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang if (mDrmManagerClient == NULL) { 175889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang mDrmManagerClient = new DrmManagerClient(); 176889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang } 177889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang 178889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang if (mDrmManagerClient == NULL) { 179b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang return NULL; 180b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang } 181b371426ce4cf2fa6d8c3d1903b61322feb165d35Gloria Wang 182dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDecryptHandle == NULL) { 183dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDecryptHandle = mDrmManagerClient->openDecryptSession( 1849d2f386dd2885eaffa11fd494ae258bb09fe6397James Dong mFd, mOffset, mLength, mime); 185dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 186dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 187dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDecryptHandle == NULL) { 188889b340ec736a9d3e3e690256d305cc8740f0c4bGloria Wang delete mDrmManagerClient; 189dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmManagerClient = NULL; 190dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 191dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 192dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return mDecryptHandle; 193dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 194dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 195b5ce361d19e69fe156f7188c9ee0f4734b259874Gloria Wangvoid FileSource::getDrmInfo(sp<DecryptHandle> &handle, DrmManagerClient **client) { 196b5ce361d19e69fe156f7188c9ee0f4734b259874Gloria Wang handle = mDecryptHandle; 197dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 198dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang *client = mDrmManagerClient; 199dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 200dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 201c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongssize_t FileSource::readAtDRM(off64_t offset, void *data, size_t size) { 202dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang size_t DRM_CACHE_SIZE = 1024; 203dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDrmBuf == NULL) { 204dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBuf = new unsigned char[DRM_CACHE_SIZE]; 205dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 206dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang 207dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDrmBuf != NULL && mDrmBufSize > 0 && (offset + mOffset) >= mDrmBufOffset 208d066bc8faf68b9fcb034ceb203e8d7e8213dc1cePatrik Lindgren && (offset + mOffset + size) <= static_cast<size_t>(mDrmBufOffset + mDrmBufSize)) { 209dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang /* Use buffered data */ 210dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang memcpy(data, (void*)(mDrmBuf+(offset+mOffset-mDrmBufOffset)), size); 211dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return size; 212dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else if (size <= DRM_CACHE_SIZE) { 213dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang /* Buffer new data */ 214dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBufOffset = offset + mOffset; 215dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang mDrmBufSize = mDrmManagerClient->pread(mDecryptHandle, mDrmBuf, 216dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang DRM_CACHE_SIZE, offset + mOffset); 217dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang if (mDrmBufSize > 0) { 218dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang int64_t dataRead = 0; 219d066bc8faf68b9fcb034ceb203e8d7e8213dc1cePatrik Lindgren dataRead = size > static_cast<size_t>(mDrmBufSize) ? mDrmBufSize : size; 220dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang memcpy(data, (void*)mDrmBuf, dataRead); 221dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return dataRead; 222dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 223dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return mDrmBufSize; 224dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 225dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } else { 226dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang /* Too big chunk to cache. Call DRM directly */ 227dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang return mDrmManagerClient->pread(mDecryptHandle, data, size, offset + mOffset); 228dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang } 229dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang} 23020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 231