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135 lines
4.0 KiB
135 lines
4.0 KiB
/*
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* Copyright (C) 2017 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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//#define LOG_NDEBUG 0
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#define LOG_TAG "DataSource"
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#include <datasource/DataSourceFactory.h>
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#include <datasource/DataURISource.h>
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#include <datasource/HTTPBase.h>
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#include <datasource/FileSource.h>
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#include <datasource/MediaHTTP.h>
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#include <datasource/NuCachedSource2.h>
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#include <media/MediaHTTPConnection.h>
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#include <media/MediaHTTPService.h>
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#include <utils/String8.h>
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namespace android {
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// static
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sp<DataSourceFactory> DataSourceFactory::sInstance;
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// static
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Mutex DataSourceFactory::sInstanceLock;
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// static
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sp<DataSourceFactory> DataSourceFactory::getInstance() {
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Mutex::Autolock l(sInstanceLock);
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if (!sInstance) {
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sInstance = new DataSourceFactory();
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}
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return sInstance;
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}
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sp<DataSource> DataSourceFactory::CreateFromURI(
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const sp<MediaHTTPService> &httpService,
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const char *uri,
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const KeyedVector<String8, String8> *headers,
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String8 *contentType,
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HTTPBase *httpSource) {
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if (contentType != NULL) {
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*contentType = "";
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}
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sp<DataSource> source;
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if (!strncasecmp("file://", uri, 7)) {
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source = CreateFileSource(uri + 7);
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} else if (!strncasecmp("http://", uri, 7) || !strncasecmp("https://", uri, 8)) {
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if (httpService == NULL) {
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ALOGE("Invalid http service!");
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return NULL;
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}
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sp<HTTPBase> mediaHTTP = httpSource;
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if (mediaHTTP == NULL) {
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mediaHTTP = static_cast<HTTPBase *>(CreateMediaHTTP(httpService).get());
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if (mediaHTTP == NULL) {
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return NULL;
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}
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}
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String8 cacheConfig;
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bool disconnectAtHighwatermark = false;
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KeyedVector<String8, String8> nonCacheSpecificHeaders;
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if (headers != NULL) {
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nonCacheSpecificHeaders = *headers;
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NuCachedSource2::RemoveCacheSpecificHeaders(
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&nonCacheSpecificHeaders,
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&cacheConfig,
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&disconnectAtHighwatermark);
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}
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if (mediaHTTP->connect(uri, &nonCacheSpecificHeaders) != OK) {
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ALOGE("Failed to connect http source!");
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return NULL;
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}
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if (contentType != NULL) {
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*contentType = mediaHTTP->getMIMEType();
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}
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source = NuCachedSource2::Create(
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mediaHTTP,
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cacheConfig.isEmpty() ? NULL : cacheConfig.string(),
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disconnectAtHighwatermark);
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} else if (!strncasecmp("data:", uri, 5)) {
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source = DataURISource::Create(uri);
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} else {
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// Assume it's a filename.
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source = CreateFileSource(uri);
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}
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if (source == NULL || source->initCheck() != OK) {
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return NULL;
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}
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return source;
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}
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sp<DataSource> DataSourceFactory::CreateFromFd(int fd, int64_t offset, int64_t length) {
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sp<FileSource> source = new FileSource(fd, offset, length);
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return source->initCheck() != OK ? nullptr : source;
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}
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sp<DataSource> DataSourceFactory::CreateMediaHTTP(const sp<MediaHTTPService> &httpService) {
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if (httpService == NULL) {
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return NULL;
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}
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sp<MediaHTTPConnection> conn = httpService->makeHTTPConnection();
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if (conn == NULL) {
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ALOGE("Failed to make http connection from http service!");
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return NULL;
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} else {
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return new MediaHTTP(conn);
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}
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}
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sp<DataSource> DataSourceFactory::CreateFileSource(const char *uri) {
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return new FileSource(uri);
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}
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} // namespace android
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