1/*
2 * Copyright (C) 2017 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef MEDIA_EXTRACTOR_FACTORY_H_
18
19#define MEDIA_EXTRACTOR_FACTORY_H_
20
21#include <stdio.h>
22
23#include <media/IMediaExtractor.h>
24#include <media/MediaExtractor.h>
25#include <utils/List.h>
26
27namespace android {
28
29class DataSource;
30struct ExtractorPlugin;
31
32class MediaExtractorFactory {
33public:
34    static sp<IMediaExtractor> Create(
35            const sp<DataSource> &source, const char *mime = NULL);
36    static sp<IMediaExtractor> CreateFromService(
37            const sp<DataSource> &source, const char *mime = NULL);
38    static void LoadPlugins(const ::std::string& apkPath);
39    static status_t dump(int fd, const Vector<String16>& args);
40
41private:
42    static Mutex gPluginMutex;
43    static std::shared_ptr<List<sp<ExtractorPlugin>>> gPlugins;
44    static bool gPluginsRegistered;
45
46    static void RegisterExtractorsInApk(
47            const char *apkPath, List<sp<ExtractorPlugin>> &pluginList);
48    static void RegisterExtractorsInSystem(
49            const char *libDirPath, List<sp<ExtractorPlugin>> &pluginList);
50    static void RegisterExtractor(
51            const sp<ExtractorPlugin> &plugin, List<sp<ExtractorPlugin>> &pluginList);
52
53    static MediaExtractor::CreatorFunc sniff(DataSourceBase *source,
54            float *confidence, void **meta, MediaExtractor::FreeMetaFunc *freeMeta,
55            sp<ExtractorPlugin> &plugin);
56
57    static void UpdateExtractors(const char *newUpdateApkPath);
58};
59
60}  // namespace android
61
62#endif  // MEDIA_EXTRACTOR_FACTORY_H_
63