DataSource.cpp revision 2944eca607304a095ea43ba2b8f0b9de61249f9f
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" 1966326a5ee0869f1ee4d136a477e6effba428b3cbAndreas Huber#include "include/MP3Extractor.h" 2066326a5ee0869f1ee4d136a477e6effba428b3cbAndreas Huber#include "include/MPEG4Extractor.h" 210dba73763a04d39faf999dcc5ef12af3c99535a7Andreas Huber#include "include/WAVExtractor.h" 22ee7ff20e69498ebd53dd9717a0f984188341a75eAndreas Huber#include "include/OggExtractor.h" 232944eca607304a095ea43ba2b8f0b9de61249f9fAndreas Huber#include "include/MPEG2PSExtractor.h" 24cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber#include "include/MPEG2TSExtractor.h" 250a5baa9b411fe086013d2a5e9126ed63fbad046cAndreas Huber#include "include/NuCachedSource2.h" 261156dc913a5ba7b2bc86489468d4914430f03d14Andreas Huber#include "include/HTTPBase.h" 27dcd25efb46c41c8d24a0a9cf61fb57f84149709eGloria Wang#include "include/DRMExtractor.h" 28856990b491d84b7ed4fefe337485c8997ba9dd02Glenn Kasten#include "include/FLACExtractor.h" 2950c44c79d2d7dd6cd1485d9d939f67f80b8da1caGloria Wang#include "include/AACExtractor.h" 3066326a5ee0869f1ee4d136a477e6effba428b3cbAndreas Huber 31093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber#include "matroska/MatroskaExtractor.h" 32093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber 335a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber#include <media/stagefright/foundation/AMessage.h> 3420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/DataSource.h> 35fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber#include <media/stagefright/FileSource.h> 3620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <media/stagefright/MediaErrors.h> 3720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber#include <utils/String8.h> 3820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 39a89082944308805b0def7de87c67e370e74b8789Gloria Wang#include <cutils/properties.h> 40a89082944308805b0def7de87c67e370e74b8789Gloria Wang 4120111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubernamespace android { 4220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 43c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongbool DataSource::getUInt16(off64_t offset, uint16_t *x) { 44693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber *x = 0; 45693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 46693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber uint8_t byte[2]; 4734769bc913e9f6bb138e666d94a9d685bf3da217Andreas Huber if (readAt(offset, byte, 2) != 2) { 48693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return false; 49693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber } 50693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 51693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber *x = (byte[0] << 8) | byte[1]; 52693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 53693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber return true; 54693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber} 55693d271e62a3726689ff68f4505ba49228eb94b2Andreas Huber 56c7fc37a3dab9bd1f96713649f351b5990e6316ffJames Dongstatus_t DataSource::getSize(off64_t *size) { 5720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *size = 0; 5820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 5920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return ERROR_UNSUPPORTED; 6020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 6120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber//////////////////////////////////////////////////////////////////////////////// 6320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 6420111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberMutex DataSource::gSnifferMutex; 6520111aa043c5f404472bc63b90bc5aad906b1101Andreas HuberList<DataSource::SnifferFunc> DataSource::gSniffers; 6620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 675a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huberbool DataSource::sniff( 685a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber String8 *mimeType, float *confidence, sp<AMessage> *meta) { 6920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *mimeType = ""; 7020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *confidence = 0.0f; 715a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber meta->clear(); 7220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 7320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Mutex::Autolock autoLock(gSnifferMutex); 7420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (List<SnifferFunc>::iterator it = gSniffers.begin(); 7520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber it != gSniffers.end(); ++it) { 7620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber String8 newMimeType; 7720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber float newConfidence; 785a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber sp<AMessage> newMeta; 795a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber if ((*it)(this, &newMimeType, &newConfidence, &newMeta)) { 8020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (newConfidence > *confidence) { 8120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *mimeType = newMimeType; 8220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber *confidence = newConfidence; 835a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber *meta = newMeta; 8420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 8520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 8620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 8720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 8820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return *confidence > 0.0; 8920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 9020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber// static 9220111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid DataSource::RegisterSniffer(SnifferFunc func) { 9320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber Mutex::Autolock autoLock(gSnifferMutex); 9420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 9520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber for (List<SnifferFunc>::iterator it = gSniffers.begin(); 9620111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber it != gSniffers.end(); ++it) { 9720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber if (*it == func) { 9820111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber return; 9920111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 10020111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber } 10120111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10220111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber gSniffers.push_back(func); 10320111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 10420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 10520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber// static 10620111aa043c5f404472bc63b90bc5aad906b1101Andreas Hubervoid DataSource::RegisterDefaultSniffers() { 10720111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber RegisterSniffer(SniffMPEG4); 108093437c388e5dff6903a3d43f2ca9f8a1ba4744aAndreas Huber RegisterSniffer(SniffMatroska); 1095a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber RegisterSniffer(SniffOgg); 1105a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber RegisterSniffer(SniffWAV); 111856990b491d84b7ed4fefe337485c8997ba9dd02Glenn Kasten RegisterSniffer(SniffFLAC); 1125a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber RegisterSniffer(SniffAMR); 113cda17c606b0fe3ccda4dc68a6d43882410ea2462Andreas Huber RegisterSniffer(SniffMPEG2TS); 1145a1c3529e4fa2f8a11054181294e0ce79fff8dd3Andreas Huber RegisterSniffer(SniffMP3); 11550c44c79d2d7dd6cd1485d9d939f67f80b8da1caGloria Wang RegisterSniffer(SniffAAC); 116f8374dec590223ebdd6959b26d9ba90749dd8328Andreas Huber RegisterSniffer(SniffAVI); 1172944eca607304a095ea43ba2b8f0b9de61249f9fAndreas Huber RegisterSniffer(SniffMPEG2PS); 118a89082944308805b0def7de87c67e370e74b8789Gloria Wang 119a89082944308805b0def7de87c67e370e74b8789Gloria Wang char value[PROPERTY_VALUE_MAX]; 120a89082944308805b0def7de87c67e370e74b8789Gloria Wang if (property_get("drm.service.enabled", value, NULL) 121a89082944308805b0def7de87c67e370e74b8789Gloria Wang && (!strcmp(value, "1") || !strcasecmp(value, "true"))) { 122a89082944308805b0def7de87c67e370e74b8789Gloria Wang RegisterSniffer(SniffDRM); 123a89082944308805b0def7de87c67e370e74b8789Gloria Wang } 12420111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} 12520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber 126fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber// static 1275561ccf4a8db88a2e44eac1b3ed13b4ff53a7f20Andreas Hubersp<DataSource> DataSource::CreateFromURI( 1285561ccf4a8db88a2e44eac1b3ed13b4ff53a7f20Andreas Huber const char *uri, const KeyedVector<String8, String8> *headers) { 129fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber sp<DataSource> source; 130fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber if (!strncasecmp("file://", uri, 7)) { 131fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber source = new FileSource(uri + 7); 1328cb0c4168bf4b678e4a6edfcf409247016be20d5Andreas Huber } else if (!strncasecmp("http://", uri, 7) 1338cb0c4168bf4b678e4a6edfcf409247016be20d5Andreas Huber || !strncasecmp("https://", uri, 8)) { 1341156dc913a5ba7b2bc86489468d4914430f03d14Andreas Huber sp<HTTPBase> httpSource = HTTPBase::Create(); 13579f77ef3b0a37660ba8c5bcb2dfbfda3860f2135Andreas Huber if (httpSource->connect(uri, headers) != OK) { 136e94bd14078d327ef2f800e69907efce641a13272Andreas Huber return NULL; 137e94bd14078d327ef2f800e69907efce641a13272Andreas Huber } 1380a5baa9b411fe086013d2a5e9126ed63fbad046cAndreas Huber source = new NuCachedSource2(httpSource); 139fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber } else { 140fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber // Assume it's a filename. 141fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber source = new FileSource(uri); 142fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber } 143fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber 144fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber if (source == NULL || source->initCheck() != OK) { 145fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber return NULL; 146fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber } 147fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber 148fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber return source; 149fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber} 150fc9ba09e3bb368f823d473f5e2bb9aa32dba6289Andreas Huber 1516511c9755c3a3360ba869772600c7aae048a7ffcAndreas HuberString8 DataSource::getMIMEType() const { 1526511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber return String8("application/octet-stream"); 1536511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber} 1546511c9755c3a3360ba869772600c7aae048a7ffcAndreas Huber 15520111aa043c5f404472bc63b90bc5aad906b1101Andreas Huber} // namespace android 156