| /* |
| * Copyright (C) 2009 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #include "include/AMRExtractor.h" |
| #include "include/MP3Extractor.h" |
| #include "include/MPEG4Extractor.h" |
| #include "include/WAVExtractor.h" |
| #include "include/OggExtractor.h" |
| #include "include/MPEG2PSExtractor.h" |
| #include "include/MPEG2TSExtractor.h" |
| #include "include/NuCachedSource2.h" |
| #include "include/HTTPBase.h" |
| #include "include/DRMExtractor.h" |
| #include "include/FLACExtractor.h" |
| #include "include/AACExtractor.h" |
| #include "include/WVMExtractor.h" |
| |
| #include "matroska/MatroskaExtractor.h" |
| |
| #include <media/stagefright/foundation/AMessage.h> |
| #include <media/stagefright/DataSource.h> |
| #include <media/stagefright/FileSource.h> |
| #include <media/stagefright/MediaErrors.h> |
| #include <utils/String8.h> |
| |
| #include <cutils/properties.h> |
| |
| namespace android { |
| |
| bool DataSource::getUInt16(off64_t offset, uint16_t *x) { |
| *x = 0; |
| |
| uint8_t byte[2]; |
| if (readAt(offset, byte, 2) != 2) { |
| return false; |
| } |
| |
| *x = (byte[0] << 8) | byte[1]; |
| |
| return true; |
| } |
| |
| status_t DataSource::getSize(off64_t *size) { |
| *size = 0; |
| |
| return ERROR_UNSUPPORTED; |
| } |
| |
| //////////////////////////////////////////////////////////////////////////////// |
| |
| Mutex DataSource::gSnifferMutex; |
| List<DataSource::SnifferFunc> DataSource::gSniffers; |
| |
| bool DataSource::sniff( |
| String8 *mimeType, float *confidence, sp<AMessage> *meta) { |
| *mimeType = ""; |
| *confidence = 0.0f; |
| meta->clear(); |
| |
| Mutex::Autolock autoLock(gSnifferMutex); |
| for (List<SnifferFunc>::iterator it = gSniffers.begin(); |
| it != gSniffers.end(); ++it) { |
| String8 newMimeType; |
| float newConfidence; |
| sp<AMessage> newMeta; |
| if ((*it)(this, &newMimeType, &newConfidence, &newMeta)) { |
| if (newConfidence > *confidence) { |
| *mimeType = newMimeType; |
| *confidence = newConfidence; |
| *meta = newMeta; |
| } |
| } |
| } |
| |
| return *confidence > 0.0; |
| } |
| |
| // static |
| void DataSource::RegisterSniffer(SnifferFunc func) { |
| Mutex::Autolock autoLock(gSnifferMutex); |
| |
| for (List<SnifferFunc>::iterator it = gSniffers.begin(); |
| it != gSniffers.end(); ++it) { |
| if (*it == func) { |
| return; |
| } |
| } |
| |
| gSniffers.push_back(func); |
| } |
| |
| // static |
| void DataSource::RegisterDefaultSniffers() { |
| RegisterSniffer(SniffMPEG4); |
| RegisterSniffer(SniffMatroska); |
| RegisterSniffer(SniffOgg); |
| RegisterSniffer(SniffWAV); |
| RegisterSniffer(SniffFLAC); |
| RegisterSniffer(SniffAMR); |
| RegisterSniffer(SniffMPEG2TS); |
| RegisterSniffer(SniffMP3); |
| RegisterSniffer(SniffAAC); |
| RegisterSniffer(SniffMPEG2PS); |
| RegisterSniffer(SniffWVM); |
| |
| char value[PROPERTY_VALUE_MAX]; |
| if (property_get("drm.service.enabled", value, NULL) |
| && (!strcmp(value, "1") || !strcasecmp(value, "true"))) { |
| RegisterSniffer(SniffDRM); |
| } |
| } |
| |
| // static |
| sp<DataSource> DataSource::CreateFromURI( |
| const char *uri, const KeyedVector<String8, String8> *headers) { |
| sp<DataSource> source; |
| if (!strncasecmp("file://", uri, 7)) { |
| source = new FileSource(uri + 7); |
| } else if (!strncasecmp("http://", uri, 7) |
| || !strncasecmp("https://", uri, 8)) { |
| sp<HTTPBase> httpSource = HTTPBase::Create(); |
| if (httpSource->connect(uri, headers) != OK) { |
| return NULL; |
| } |
| source = new NuCachedSource2(httpSource); |
| } else { |
| // Assume it's a filename. |
| source = new FileSource(uri); |
| } |
| |
| if (source == NULL || source->initCheck() != OK) { |
| return NULL; |
| } |
| |
| return source; |
| } |
| |
| String8 DataSource::getMIMEType() const { |
| return String8("application/octet-stream"); |
| } |
| |
| } // namespace android |