android_media_MediaExtractor.h revision 9b8e496f4d143280deff137c5f30ca8907bc28db 
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 <utils/Errors.h>
22#include <utils/RefBase.h>
23
24#include "jni.h"
25
26namespace android {
27
28struct NuMediaExtractor;
29
30struct JMediaExtractor : public RefBase {
31    JMediaExtractor(JNIEnv *env, jobject thiz);
32
33    status_t setDataSource(const char *path);
34
35    size_t countTracks() const;
36    status_t getTrackFormat(size_t index, jobject *format) const;
37
38    status_t selectTrack(size_t index);
39
40    status_t seekTo(int64_t timeUs);
41
42    status_t advance();
43    status_t readSampleData(jobject byteBuf, size_t offset, size_t *sampleSize);
44    status_t getSampleTrackIndex(size_t *trackIndex);
45    status_t getSampleTime(int64_t *sampleTimeUs);
46    status_t getSampleFlags(uint32_t *sampleFlags);
47
48protected:
49    virtual ~JMediaExtractor();
50
51private:
52    jclass mClass;
53    jweak mObject;
54    sp<NuMediaExtractor> mImpl;
55
56    DISALLOW_EVIL_CONSTRUCTORS(JMediaExtractor);
57};
58
59}  // namespace android
60
61#endif  // _ANDROID_MEDIA_MEDIAEXTRACTOR_H_
62