MetadataRetrieverClient.cpp revision 2a4a7d5af053a17586a262a1267ba993e31790f1
17b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project/* 27b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** 37b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** Copyright (C) 2008 The Android Open Source Project 47b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** 57b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** Licensed under the Apache License, Version 2.0 (the "License"); 67b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** you may not use this file except in compliance with the License. 77b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** You may obtain a copy of the License at 87b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** 97b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** http://www.apache.org/licenses/LICENSE-2.0 107b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** 117b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** Unless required by applicable law or agreed to in writing, software 127b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** distributed under the License is distributed on an "AS IS" BASIS, 137b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 147b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** See the License for the specific language governing permissions and 157b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project** limitations under the License. 167b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project*/ 177b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 187b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project//#define LOG_NDEBUG 0 197b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#define LOG_TAG "MetadataRetrieverClient" 207b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <utils/Log.h> 217b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 227b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <sys/types.h> 237b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <sys/stat.h> 247b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <dirent.h> 257b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <unistd.h> 267b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 277b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <string.h> 287b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <cutils/atomic.h> 297562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/MemoryDealer.h> 307b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <android_runtime/ActivityManager.h> 317562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IPCThreadState.h> 327562408b2261d38415453378b6188f74fda99d88Mathias Agopian#include <binder/IServiceManager.h> 337b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <media/MediaMetadataRetrieverInterface.h> 347b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <media/MediaPlayerInterface.h> 357b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <media/PVMetadataRetriever.h> 367b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include <private/media/VideoFrame.h> 37148c1a2a96774517407717b61e5bc9cb08be8806James Dong#include "VorbisMetadataRetriever.h" 38148c1a2a96774517407717b61e5bc9cb08be8806James Dong#include "MidiMetadataRetriever.h" 397b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project#include "MetadataRetrieverClient.h" 402a4a7d5af053a17586a262a1267ba993e31790f1Andreas Huber#include "StagefrightMetadataRetriever.h" 417b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 427b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectnamespace android { 437b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 44148c1a2a96774517407717b61e5bc9cb08be8806James Dongextern player_type getPlayerType(const char* url); 45148c1a2a96774517407717b61e5bc9cb08be8806James Dongextern player_type getPlayerType(int fd, int64_t offset, int64_t length); 46148c1a2a96774517407717b61e5bc9cb08be8806James Dong 477b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source ProjectMetadataRetrieverClient::MetadataRetrieverClient(pid_t pid) 487b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 497b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("MetadataRetrieverClient constructor pid(%d)", pid); 507b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mPid = pid; 517b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnailDealer = NULL; 527b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArtDealer = NULL; 537b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnail = NULL; 547b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArt = NULL; 556c5b21025f746fcb838499ae01b4d384ab1d2f66Jean-Baptiste Queru mRetriever = NULL; 56a569aebd284506058a34d9772ebb28c8dac09aa3James Dong mMode = METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL; 577b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 587b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 597b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source ProjectMetadataRetrieverClient::~MetadataRetrieverClient() 607b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 617b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("MetadataRetrieverClient destructor"); 627b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project disconnect(); 637b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 647b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 657b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectstatus_t MetadataRetrieverClient::dump(int fd, const Vector<String16>& args) const 667b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 677b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project const size_t SIZE = 256; 687b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project char buffer[SIZE]; 697b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project String8 result; 707b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project result.append(" MetadataRetrieverClient\n"); 71a569aebd284506058a34d9772ebb28c8dac09aa3James Dong snprintf(buffer, 255, " pid(%d) mode(%d)\n", mPid, mMode); 727b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project result.append(buffer); 737b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project write(fd, result.string(), result.size()); 747b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project write(fd, "\n", 1); 757b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NO_ERROR; 767b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 777b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 787b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectvoid MetadataRetrieverClient::disconnect() 797b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 807b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("disconnect from pid %d", mPid); 817b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project Mutex::Autolock lock(mLock); 827b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mRetriever.clear(); 837b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnailDealer.clear(); 847b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArtDealer.clear(); 857b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnail.clear(); 867b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArt.clear(); 87a569aebd284506058a34d9772ebb28c8dac09aa3James Dong mMode = METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL; 887b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project IPCThreadState::self()->flushCommands(); 897b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 907b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 91148c1a2a96774517407717b61e5bc9cb08be8806James Dongstatic sp<MediaMetadataRetrieverBase> createRetriever(player_type playerType) 92148c1a2a96774517407717b61e5bc9cb08be8806James Dong{ 93148c1a2a96774517407717b61e5bc9cb08be8806James Dong sp<MediaMetadataRetrieverBase> p; 94148c1a2a96774517407717b61e5bc9cb08be8806James Dong switch (playerType) { 95148c1a2a96774517407717b61e5bc9cb08be8806James Dong#ifndef NO_OPENCORE 96148c1a2a96774517407717b61e5bc9cb08be8806James Dong case PV_PLAYER: 97148c1a2a96774517407717b61e5bc9cb08be8806James Dong LOGV("create pv metadata retriever"); 98148c1a2a96774517407717b61e5bc9cb08be8806James Dong p = new PVMetadataRetriever(); 99148c1a2a96774517407717b61e5bc9cb08be8806James Dong break; 100148c1a2a96774517407717b61e5bc9cb08be8806James Dong#endif 101148c1a2a96774517407717b61e5bc9cb08be8806James Dong case VORBIS_PLAYER: 102148c1a2a96774517407717b61e5bc9cb08be8806James Dong LOGV("create vorbis metadata retriever"); 103148c1a2a96774517407717b61e5bc9cb08be8806James Dong p = new VorbisMetadataRetriever(); 104148c1a2a96774517407717b61e5bc9cb08be8806James Dong break; 105148c1a2a96774517407717b61e5bc9cb08be8806James Dong case SONIVOX_PLAYER: 106148c1a2a96774517407717b61e5bc9cb08be8806James Dong LOGV("create midi metadata retriever"); 107148c1a2a96774517407717b61e5bc9cb08be8806James Dong p = new MidiMetadataRetriever(); 108148c1a2a96774517407717b61e5bc9cb08be8806James Dong break; 1092a4a7d5af053a17586a262a1267ba993e31790f1Andreas Huber#if BUILD_WITH_FULL_STAGEFRIGHT 1102a4a7d5af053a17586a262a1267ba993e31790f1Andreas Huber case STAGEFRIGHT_PLAYER: 1112a4a7d5af053a17586a262a1267ba993e31790f1Andreas Huber LOGV("create StagefrightMetadataRetriever"); 1122a4a7d5af053a17586a262a1267ba993e31790f1Andreas Huber p = new StagefrightMetadataRetriever; 1132a4a7d5af053a17586a262a1267ba993e31790f1Andreas Huber break; 1142a4a7d5af053a17586a262a1267ba993e31790f1Andreas Huber#endif 115148c1a2a96774517407717b61e5bc9cb08be8806James Dong default: 116148c1a2a96774517407717b61e5bc9cb08be8806James Dong // TODO: 1172a4a7d5af053a17586a262a1267ba993e31790f1Andreas Huber // support for TEST_PLAYER 118148c1a2a96774517407717b61e5bc9cb08be8806James Dong LOGE("player type %d is not supported", playerType); 119148c1a2a96774517407717b61e5bc9cb08be8806James Dong break; 120148c1a2a96774517407717b61e5bc9cb08be8806James Dong } 121148c1a2a96774517407717b61e5bc9cb08be8806James Dong if (p == NULL) { 122148c1a2a96774517407717b61e5bc9cb08be8806James Dong LOGE("failed to create a retriever object"); 123148c1a2a96774517407717b61e5bc9cb08be8806James Dong } 124148c1a2a96774517407717b61e5bc9cb08be8806James Dong return p; 125148c1a2a96774517407717b61e5bc9cb08be8806James Dong} 126148c1a2a96774517407717b61e5bc9cb08be8806James Dong 1277b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectstatus_t MetadataRetrieverClient::setDataSource(const char *url) 1287b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 1297b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("setDataSource(%s)", url); 1307b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project Mutex::Autolock lock(mLock); 1317b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (url == NULL) { 1327b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return UNKNOWN_ERROR; 1337b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 134148c1a2a96774517407717b61e5bc9cb08be8806James Dong player_type playerType = getPlayerType(url); 135148c1a2a96774517407717b61e5bc9cb08be8806James Dong LOGV("player type = %d", playerType); 136148c1a2a96774517407717b61e5bc9cb08be8806James Dong sp<MediaMetadataRetrieverBase> p = createRetriever(playerType); 137148c1a2a96774517407717b61e5bc9cb08be8806James Dong if (p == NULL) return NO_INIT; 138a569aebd284506058a34d9772ebb28c8dac09aa3James Dong status_t ret = p->setMode(mMode); 139a569aebd284506058a34d9772ebb28c8dac09aa3James Dong if (ret == NO_ERROR) { 140a569aebd284506058a34d9772ebb28c8dac09aa3James Dong ret = p->setDataSource(url); 141a569aebd284506058a34d9772ebb28c8dac09aa3James Dong } 142148c1a2a96774517407717b61e5bc9cb08be8806James Dong if (ret == NO_ERROR) mRetriever = p; 143148c1a2a96774517407717b61e5bc9cb08be8806James Dong return ret; 1447b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 1457b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 1467b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectstatus_t MetadataRetrieverClient::setDataSource(int fd, int64_t offset, int64_t length) 1477b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 1487b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("setDataSource fd=%d, offset=%lld, length=%lld", fd, offset, length); 1497b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project Mutex::Autolock lock(mLock); 1507b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project struct stat sb; 1517b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project int ret = fstat(fd, &sb); 1527b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (ret != 0) { 1537b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("fstat(%d) failed: %d, %s", fd, ret, strerror(errno)); 154148c1a2a96774517407717b61e5bc9cb08be8806James Dong return BAD_VALUE; 1557b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 1567b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("st_dev = %llu", sb.st_dev); 1577b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("st_mode = %u", sb.st_mode); 1587b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("st_uid = %lu", sb.st_uid); 1597b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("st_gid = %lu", sb.st_gid); 1607b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("st_size = %llu", sb.st_size); 1617b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 1627b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (offset >= sb.st_size) { 1637b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("offset (%lld) bigger than file size (%llu)", offset, sb.st_size); 1647b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project ::close(fd); 165148c1a2a96774517407717b61e5bc9cb08be8806James Dong return BAD_VALUE; 1667b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 1677b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (offset + length > sb.st_size) { 1687b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project length = sb.st_size - offset; 169148c1a2a96774517407717b61e5bc9cb08be8806James Dong LOGV("calculated length = %lld", length); 170148c1a2a96774517407717b61e5bc9cb08be8806James Dong } 171148c1a2a96774517407717b61e5bc9cb08be8806James Dong 172148c1a2a96774517407717b61e5bc9cb08be8806James Dong player_type playerType = getPlayerType(fd, offset, length); 173148c1a2a96774517407717b61e5bc9cb08be8806James Dong LOGV("player type = %d", playerType); 174148c1a2a96774517407717b61e5bc9cb08be8806James Dong sp<MediaMetadataRetrieverBase> p = createRetriever(playerType); 175148c1a2a96774517407717b61e5bc9cb08be8806James Dong if (p == NULL) { 176148c1a2a96774517407717b61e5bc9cb08be8806James Dong ::close(fd); 177148c1a2a96774517407717b61e5bc9cb08be8806James Dong return NO_INIT; 1787b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 179a569aebd284506058a34d9772ebb28c8dac09aa3James Dong status_t status = p->setMode(mMode); 180a569aebd284506058a34d9772ebb28c8dac09aa3James Dong if (status == NO_ERROR) { 181a569aebd284506058a34d9772ebb28c8dac09aa3James Dong p->setDataSource(fd, offset, length); 182a569aebd284506058a34d9772ebb28c8dac09aa3James Dong } 183148c1a2a96774517407717b61e5bc9cb08be8806James Dong if (status == NO_ERROR) mRetriever = p; 1847b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project ::close(fd); 1857b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return status; 1867b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 1877b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 1887b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectstatus_t MetadataRetrieverClient::setMode(int mode) 1897b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 1907b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("setMode"); 1917b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project Mutex::Autolock lock(mLock); 192a569aebd284506058a34d9772ebb28c8dac09aa3James Dong if (mode < METADATA_MODE_NOOP || 193a569aebd284506058a34d9772ebb28c8dac09aa3James Dong mode > METADATA_MODE_FRAME_CAPTURE_AND_METADATA_RETRIEVAL) { 194a569aebd284506058a34d9772ebb28c8dac09aa3James Dong LOGE("invalid mode %d", mode); 195a569aebd284506058a34d9772ebb28c8dac09aa3James Dong return BAD_VALUE; 1967b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 197a569aebd284506058a34d9772ebb28c8dac09aa3James Dong mMode = mode; 198a569aebd284506058a34d9772ebb28c8dac09aa3James Dong return NO_ERROR; 1997b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 2007b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 2017b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectstatus_t MetadataRetrieverClient::getMode(int* mode) const 2027b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 2037b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("getMode"); 2047b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project Mutex::Autolock lock(mLock); 205a569aebd284506058a34d9772ebb28c8dac09aa3James Dong 206a569aebd284506058a34d9772ebb28c8dac09aa3James Dong // TODO: 207a569aebd284506058a34d9772ebb28c8dac09aa3James Dong // This may not be necessary. 208a569aebd284506058a34d9772ebb28c8dac09aa3James Dong // If setDataSource() has not been called, return the cached value 209a569aebd284506058a34d9772ebb28c8dac09aa3James Dong // otherwise, return the value retrieved from the retriever 2107b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (mRetriever == NULL) { 211a569aebd284506058a34d9772ebb28c8dac09aa3James Dong *mode = mMode; 212a569aebd284506058a34d9772ebb28c8dac09aa3James Dong } else { 213a569aebd284506058a34d9772ebb28c8dac09aa3James Dong mRetriever->getMode(mode); 2147b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 215a569aebd284506058a34d9772ebb28c8dac09aa3James Dong return NO_ERROR; 2167b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 2177b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 2187b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectsp<IMemory> MetadataRetrieverClient::captureFrame() 2197b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 2207b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("captureFrame"); 2217b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project Mutex::Autolock lock(mLock); 2227b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnail.clear(); 2237b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnailDealer.clear(); 2247b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (mRetriever == NULL) { 2257b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("retriever is not initialized"); 2267b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 2277b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 2287b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project VideoFrame *frame = mRetriever->captureFrame(); 2297b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (frame == NULL) { 2307b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("failed to capture a video frame"); 2317b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 2327b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 2337b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project size_t size = sizeof(VideoFrame) + frame->mSize; 2347b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnailDealer = new MemoryDealer(size); 2357b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (mThumbnailDealer == NULL) { 2367b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("failed to create MemoryDealer"); 2377b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project delete frame; 2387b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 2397b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 2407b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnail = mThumbnailDealer->allocate(size); 2417b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (mThumbnail == NULL) { 2427b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("not enough memory for VideoFrame size=%u", size); 2437b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mThumbnailDealer.clear(); 2447b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project delete frame; 2457b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 2467b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 2477b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project VideoFrame *frameCopy = static_cast<VideoFrame *>(mThumbnail->pointer()); 2487b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project frameCopy->mWidth = frame->mWidth; 2497b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project frameCopy->mHeight = frame->mHeight; 2507b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project frameCopy->mDisplayWidth = frame->mDisplayWidth; 2517b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project frameCopy->mDisplayHeight = frame->mDisplayHeight; 2527b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project frameCopy->mSize = frame->mSize; 2537b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project frameCopy->mData = (uint8_t *)frameCopy + sizeof(VideoFrame); 2547b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project memcpy(frameCopy->mData, frame->mData, frame->mSize); 2557b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project delete frame; // Fix memory leakage 2567b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return mThumbnail; 2577b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 2587b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 2597b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectsp<IMemory> MetadataRetrieverClient::extractAlbumArt() 2607b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 2617b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("extractAlbumArt"); 2627b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project Mutex::Autolock lock(mLock); 2637b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArt.clear(); 2647b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArtDealer.clear(); 2657b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (mRetriever == NULL) { 2667b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("retriever is not initialized"); 2677b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 2687b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 2697b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project MediaAlbumArt *albumArt = mRetriever->extractAlbumArt(); 2707b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (albumArt == NULL) { 2717b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("failed to extract an album art"); 2727b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 2737b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 2747b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project size_t size = sizeof(MediaAlbumArt) + albumArt->mSize; 2757b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArtDealer = new MemoryDealer(size); 2767b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (mAlbumArtDealer == NULL) { 2777b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("failed to create MemoryDealer object"); 2787b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project delete albumArt; 2797b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 2807b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 2817b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArt = mAlbumArtDealer->allocate(size); 2827b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (mAlbumArt == NULL) { 2837b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("not enough memory for MediaAlbumArt size=%u", size); 2847b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project mAlbumArtDealer.clear(); 2857b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project delete albumArt; 2867b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 2877b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 2887b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project MediaAlbumArt *albumArtCopy = static_cast<MediaAlbumArt *>(mAlbumArt->pointer()); 2897b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project albumArtCopy->mSize = albumArt->mSize; 2907b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project albumArtCopy->mData = (uint8_t *)albumArtCopy + sizeof(MediaAlbumArt); 2917b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project memcpy(albumArtCopy->mData, albumArt->mData, albumArt->mSize); 2927b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project delete albumArt; // Fix memory leakage 2937b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return mAlbumArt; 2947b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 2957b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 2967b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Projectconst char* MetadataRetrieverClient::extractMetadata(int keyCode) 2977b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project{ 2987b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGV("extractMetadata"); 2997b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project Mutex::Autolock lock(mLock); 3007b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project if (mRetriever == NULL) { 3017b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project LOGE("retriever is not initialized"); 3027b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return NULL; 3037b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project } 3047b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project return mRetriever->extractMetadata(keyCode); 3057b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project} 3067b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project 3077b5eb023f8d87cca6d830ae6c11c6aadbe02aca8The Android Open Source Project}; // namespace android 308