GenericSource.h revision dd235727a1b4e283deeb581559f99c2c8889da07 
1/*
2 * Copyright (C) 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 GENERIC_SOURCE_H_
18
19#define GENERIC_SOURCE_H_
20
21#include "NuPlayer.h"
22#include "NuPlayerSource.h"
23
24#include "ATSParser.h"
25
26namespace android {
27
28struct AnotherPacketSource;
29struct ARTSPController;
30struct DataSource;
31struct MediaSource;
32
33struct NuPlayer::GenericSource : public NuPlayer::Source {
34    GenericSource(
35            const sp<AMessage> &notify,
36            const sp<IMediaHTTPService> &httpService,
37            const char *url,
38            const KeyedVector<String8, String8> *headers);
39
40    GenericSource(
41            const sp<AMessage> &notify,
42            int fd, int64_t offset, int64_t length);
43
44    virtual void prepareAsync();
45
46    virtual void start();
47
48    virtual status_t feedMoreTSData();
49
50    virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
51
52    virtual status_t getDuration(int64_t *durationUs);
53    virtual size_t getTrackCount() const;
54    virtual sp<AMessage> getTrackInfo(size_t trackIndex) const;
55    virtual status_t seekTo(int64_t seekTimeUs);
56
57protected:
58    virtual ~GenericSource();
59
60    virtual sp<MetaData> getFormatMeta(bool audio);
61
62private:
63    Vector<sp<MediaSource> > mSources;
64
65    struct Track {
66        size_t mIndex;
67        sp<MediaSource> mSource;
68        sp<AnotherPacketSource> mPackets;
69    };
70
71    Track mAudioTrack;
72    Track mVideoTrack;
73
74    int64_t mDurationUs;
75    bool mAudioIsVorbis;
76
77    void initFromDataSource(const sp<DataSource> &dataSource);
78
79    void readBuffer(
80            bool audio,
81            int64_t seekTimeUs = -1ll, int64_t *actualTimeUs = NULL);
82
83    DISALLOW_EVIL_CONSTRUCTORS(GenericSource);
84};
85
86}  // namespace android
87
88#endif  // GENERIC_SOURCE_H_
89