DataSource.cpp revision 6c83e3be2921009ff7dcfced2a3eda7811b8b041
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 1766326a5ee0869f1ee4d136a477e6effba428b3cbAndreas Huber#include "include/AMRExtractor.h" 18f8374dec590223ebdd6959b26d9ba90749dd8328Andreas Huber#include "include/AVIExtractor.h" 196c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath 206c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath#if CHROMIUM_AVAILABLE 216c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath#include "include/DataUriSource.h" 226c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath#endif 236c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath 2466326a5ee0869f1ee4d136a477e6effba428b3cbAndreas Huber#include "include/MP3Extractor.h" 2566326a5ee0869f1ee4d136a477e6effba428b3cbAndreas Huber#include "include/MPEG4Extractor.h" 260dba73763a04d39faf999dcc5ef12af3c99535a7Andreas Huber#include "include/WAVExtractor.h" 27ee7ff20e69498ebd53dd9717a0f984188341a75eAndreas Huber#include "include/OggExtractor.h" 282944eca607304a095ea43ba2b8f0b9de61249f9fAndreas Huber#include "include/MPEG2PSExtractor.h" 29cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "include/MPEG2TSExtractor.h" 300a5baa9b411fe086013d2a5e9126ed63fbad046cAndreas Huber#include "include/NuCachedSource2.h" 311156dc913a5ba7b2bc86489468d4914430f03d14Andreas Huber#include "include/HTTPBase.h" 32dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang#include "include/DRMExtractor.h" 33856990b491d84b7ed4fefe337485c8997ba9dd02Glenn Kasten#include "include/FLACExtractor.h" 3450c44c79d2d7dd6cd1485d9d939f67f80b8da1caGloria Wang#include "include/AACExtractor.h" 3566326a5ee0869f1ee4d136a477e6effba428b3cbAndreas Huber 36093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include "matroska/MatroskaExtractor.h" 37093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 385a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber#include <media/stagefright/foundation/AMessage.h> 3920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/DataSource.h> 40fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber#include <media/stagefright/FileSource.h> 4120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaErrors.h> 4220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/String8.h> 4320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 44a89082944308805b0def7de87c67e370e74b8789Gloria Wang#include <cutils/properties.h> 45a89082944308805b0def7de87c67e370e74b8789Gloria Wang 4620111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 4720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 48c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongbool DataSource::getUInt16(off64_t offset, uint16_t *x) { 49693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber *x = 0; 50693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 51693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber uint8_t byte[2]; 5234769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (readAt(offset, byte, 2) != 2) { 53693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return false; 54693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber } 55693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 56693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber *x = (byte[0] << 8) | byte[1]; 57693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 58693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return true; 59693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber} 60693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 61c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t DataSource::getSize(off64_t *size) { 6220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *size = 0; 6320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_UNSUPPORTED; 6520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 6620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber//////////////////////////////////////////////////////////////////////////////// 6820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6920111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMutex DataSource::gSnifferMutex; 7020111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberList<DataSource::SnifferFunc> DataSource::gSniffers; 7120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 725a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huberbool DataSource::sniff( 735a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber String8 *mimeType, float *confidence, sp<AMessage> *meta) { 7420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *mimeType = ""; 7520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *confidence = 0.0f; 765a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber meta->clear(); 7720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 7820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Mutex::Autolock autoLock(gSnifferMutex); 7920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (List<SnifferFunc>::iterator it = gSniffers.begin(); 8020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber it != gSniffers.end(); ++it) { 8120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber String8 newMimeType; 8220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber float newConfidence; 835a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber sp<AMessage> newMeta; 845a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber if ((*it)(this, &newMimeType, &newConfidence, &newMeta)) { 8520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (newConfidence > *confidence) { 8620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *mimeType = newMimeType; 8720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *confidence = newConfidence; 885a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber *meta = newMeta; 8920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 9020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 9120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 9220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return *confidence > 0.0; 9420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 9520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber// static 9720111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid DataSource::RegisterSniffer(SnifferFunc func) { 9820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Mutex::Autolock autoLock(gSnifferMutex); 9920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (List<SnifferFunc>::iterator it = gSniffers.begin(); 10120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber it != gSniffers.end(); ++it) { 10220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (*it == func) { 10320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return; 10420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 10520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 10620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber gSniffers.push_back(func); 10820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 10920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 11020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber// static 11120111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid DataSource::RegisterDefaultSniffers() { 11220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber RegisterSniffer(SniffMPEG4); 113093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber RegisterSniffer(SniffMatroska); 1145a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber RegisterSniffer(SniffOgg); 1155a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber RegisterSniffer(SniffWAV); 116856990b491d84b7ed4fefe337485c8997ba9dd02Glenn Kasten RegisterSniffer(SniffFLAC); 1175a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber RegisterSniffer(SniffAMR); 118cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber RegisterSniffer(SniffMPEG2TS); 1195a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber RegisterSniffer(SniffMP3); 12050c44c79d2d7dd6cd1485d9d939f67f80b8da1caGloria Wang RegisterSniffer(SniffAAC); 121f8374dec590223ebdd6959b26d9ba90749dd8328Andreas Huber RegisterSniffer(SniffAVI); 1222944eca607304a095ea43ba2b8f0b9de61249f9fAndreas Huber RegisterSniffer(SniffMPEG2PS); 123a89082944308805b0def7de87c67e370e74b8789Gloria Wang 124a89082944308805b0def7de87c67e370e74b8789Gloria Wang char value[PROPERTY_VALUE_MAX]; 125a89082944308805b0def7de87c67e370e74b8789Gloria Wang if (property_get("drm.service.enabled", value, NULL) 126a89082944308805b0def7de87c67e370e74b8789Gloria Wang && (!strcmp(value, "1") || !strcasecmp(value, "true"))) { 127a89082944308805b0def7de87c67e370e74b8789Gloria Wang RegisterSniffer(SniffDRM); 128a89082944308805b0def7de87c67e370e74b8789Gloria Wang } 12920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 13020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 131fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber// static 1325561ccf4a8db88a2e44eac1b3ed13b4ff53a7f20Andreas Hubersp<DataSource> DataSource::CreateFromURI( 1335561ccf4a8db88a2e44eac1b3ed13b4ff53a7f20Andreas Huber const char *uri, const KeyedVector<String8, String8> *headers) { 134fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber sp<DataSource> source; 135fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber if (!strncasecmp("file://", uri, 7)) { 136fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber source = new FileSource(uri + 7); 1378cb0c4168bf4b678e4a6edfcf409247016be20d5Andreas Huber } else if (!strncasecmp("http://", uri, 7) 1388cb0c4168bf4b678e4a6edfcf409247016be20d5Andreas Huber || !strncasecmp("https://", uri, 8)) { 1391156dc913a5ba7b2bc86489468d4914430f03d14Andreas Huber sp<HTTPBase> httpSource = HTTPBase::Create(); 14079f77ef3b0a37660ba8c5bcb2dfbfda3860f2135Andreas Huber if (httpSource->connect(uri, headers) != OK) { 141e94bd14078d327ef2f800e69907efce641a13272Andreas Huber return NULL; 142e94bd14078d327ef2f800e69907efce641a13272Andreas Huber } 1430a5baa9b411fe086013d2a5e9126ed63fbad046cAndreas Huber source = new NuCachedSource2(httpSource); 1446c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath# if CHROMIUM_AVAILABLE 1456c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath } else if (!strncasecmp("data:", uri, 5)) { 1466c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath source = new DataUriSource(uri); 1476c83e3be2921009ff7dcfced2a3eda7811b8b041Narayan Kamath#endif 148fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber } else { 149fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber // Assume it's a filename. 150fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber source = new FileSource(uri); 151fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber } 152fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber 153fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber if (source == NULL || source->initCheck() != OK) { 154fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber return NULL; 155fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber } 156fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber 157fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber return source; 158fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber} 159fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber 1606511c9755c3a3360ba869772600c7aae048a7ffcAndreas HuberString8 DataSource::getMIMEType() const { 1616511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber return String8("application/octet-stream"); 1626511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber} 1636511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber 16420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 165