1/*
2 * Copyright 2012, 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 _ANDROID_MEDIA_MEDIAEXTRACTOR_H_
18#define _ANDROID_MEDIA_MEDIAEXTRACTOR_H_
19
20#include <media/stagefright/foundation/ABase.h>
21#include <media/MediaSource.h>
22#include <media/DataSource.h>
23#include <utils/Errors.h>
24#include <utils/KeyedVector.h>
25#include <utils/RefBase.h>
26#include <utils/String8.h>
27
28#include "jni.h"
29
30namespace android {
31
32struct IMediaHTTPService;
33class MetaData;
34struct NuMediaExtractor;
35
36struct JMediaExtractor : public RefBase {
37    JMediaExtractor(JNIEnv *env, jobject thiz);
38
39    status_t setDataSource(
40            const sp<IMediaHTTPService> &httpService,
41            const char *path,
42            const KeyedVector<String8, String8> *headers);
43
44    status_t setDataSource(int fd, off64_t offset, off64_t size);
45    status_t setDataSource(const sp<DataSource> &source);
46
47    status_t setMediaCas(JNIEnv *env, jobject casBinderObj);
48
49    size_t countTracks() const;
50    status_t getTrackFormat(size_t index, jobject *format) const;
51
52    status_t getFileFormat(jobject *format) const;
53
54    status_t selectTrack(size_t index);
55    status_t unselectTrack(size_t index);
56
57    status_t seekTo(int64_t timeUs, MediaSource::ReadOptions::SeekMode mode);
58
59    status_t advance();
60    status_t readSampleData(jobject byteBuf, size_t offset, size_t *sampleSize);
61    status_t getSampleTrackIndex(size_t *trackIndex);
62    status_t getSampleTime(int64_t *sampleTimeUs);
63    status_t getSampleSize(size_t *sampleSize);
64    status_t getSampleFlags(uint32_t *sampleFlags);
65    status_t getSampleMeta(sp<MetaData> *sampleMeta);
66    status_t getMetrics(Parcel *reply) const;
67
68    bool getCachedDuration(int64_t *durationUs, bool *eos) const;
69
70protected:
71    virtual ~JMediaExtractor();
72
73private:
74    jclass mClass;
75    jweak mObject;
76    sp<NuMediaExtractor> mImpl;
77
78    DISALLOW_EVIL_CONSTRUCTORS(JMediaExtractor);
79};
80
81}  // namespace android
82
83#endif  // _ANDROID_MEDIA_MEDIAEXTRACTOR_H_
84