1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
|
/*
* Copyright 2012, 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.
*/
#ifndef _ANDROID_MEDIA_MEDIAEXTRACTOR_H_
#define _ANDROID_MEDIA_MEDIAEXTRACTOR_H_
#include <media/stagefright/foundation/ABase.h>
#include <media/stagefright/MediaSource.h>
#include <media/stagefright/DataSource.h>
#include <utils/Errors.h>
#include <utils/KeyedVector.h>
#include <utils/RefBase.h>
#include <utils/String8.h>
#include "jni.h"
namespace android {
struct MetaData;
struct NuMediaExtractor;
struct JMediaExtractor : public RefBase {
JMediaExtractor(JNIEnv *env, jobject thiz);
status_t setDataSource(
const char *path,
const KeyedVector<String8, String8> *headers);
status_t setDataSource(int fd, off64_t offset, off64_t size);
status_t setDataSource(const sp<DataSource> &source);
size_t countTracks() const;
status_t getTrackFormat(size_t index, jobject *format) const;
status_t getFileFormat(jobject *format) const;
status_t selectTrack(size_t index);
status_t unselectTrack(size_t index);
status_t seekTo(int64_t timeUs, MediaSource::ReadOptions::SeekMode mode);
status_t advance();
status_t readSampleData(jobject byteBuf, size_t offset, size_t *sampleSize);
status_t getSampleTrackIndex(size_t *trackIndex);
status_t getSampleTime(int64_t *sampleTimeUs);
status_t getSampleFlags(uint32_t *sampleFlags);
status_t getSampleMeta(sp<MetaData> *sampleMeta);
bool getCachedDuration(int64_t *durationUs, bool *eos) const;
protected:
virtual ~JMediaExtractor();
private:
jclass mClass;
jweak mObject;
sp<NuMediaExtractor> mImpl;
DISALLOW_EVIL_CONSTRUCTORS(JMediaExtractor);
};
} // namespace android
#endif // _ANDROID_MEDIA_MEDIAEXTRACTOR_H_
|
