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/*
* 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"
#if CHROMIUM_AVAILABLE
#include "include/chromium_http_stub.h"
#endif
#include "include/AACExtractor.h"
#include "include/DRMExtractor.h"
#include "include/FLACExtractor.h"
#include "include/FragmentedMP4Extractor.h"
#include "include/HTTPBase.h"
#include "include/MP3Extractor.h"
#include "include/MPEG2PSExtractor.h"
#include "include/MPEG2TSExtractor.h"
#include "include/MPEG4Extractor.h"
#include "include/NuCachedSource2.h"
#include "include/OggExtractor.h"
#include "include/WAVExtractor.h"
#include "include/WVMExtractor.h"
#ifdef QCOM_HARDWARE
#include "include/ExtendedExtractor.h"
#endif
#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(SniffFragmentedMP4);
RegisterSniffer(SniffMatroska);
RegisterSniffer(SniffOgg);
RegisterSniffer(SniffWAV);
RegisterSniffer(SniffFLAC);
RegisterSniffer(SniffAMR);
RegisterSniffer(SniffMPEG2TS);
RegisterSniffer(SniffMP3);
RegisterSniffer(SniffAAC);
RegisterSniffer(SniffMPEG2PS);
RegisterSniffer(SniffWVM);
#ifdef QCOM_HARDWARE
RegisterSniffer(SniffExtendedExtractor);
#endif
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) {
bool isWidevine = !strncasecmp("widevine://", uri, 11);
sp<DataSource> source;
if (!strncasecmp("file://", uri, 7)) {
source = new FileSource(uri + 7);
} else if (!strncasecmp("http://", uri, 7)
|| !strncasecmp("https://", uri, 8)
|| isWidevine) {
sp<HTTPBase> httpSource = HTTPBase::Create();
String8 tmp;
if (isWidevine) {
tmp = String8("http://");
tmp.append(uri + 11);
uri = tmp.string();
}
if (httpSource->connect(uri, headers) != OK) {
return NULL;
}
if (!isWidevine) {
String8 cacheConfig;
bool disconnectAtHighwatermark;
if (headers != NULL) {
KeyedVector<String8, String8> copy = *headers;
NuCachedSource2::RemoveCacheSpecificHeaders(
©, &cacheConfig, &disconnectAtHighwatermark);
}
source = new NuCachedSource2(
httpSource,
cacheConfig.isEmpty() ? NULL : cacheConfig.string());
} else {
// We do not want that prefetching, caching, datasource wrapper
// in the widevine:// case.
source = httpSource;
}
# if CHROMIUM_AVAILABLE
} else if (!strncasecmp("data:", uri, 5)) {
source = createDataUriSource(uri);
#endif
} 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
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