GenericSource.h revision 1b86fe063badb5f28c467ade39be0f4008688947 
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            bool uidValid = false,
40            uid_t uid = 0);
41
42    GenericSource(
43            const sp<AMessage> &notify,
44            int fd, int64_t offset, int64_t length);
45
46    virtual void prepareAsync();
47
48    virtual void start();
49
50    virtual status_t feedMoreTSData();
51
52    virtual status_t dequeueAccessUnit(bool audio, sp<ABuffer> *accessUnit);
53
54    virtual status_t getDuration(int64_t *durationUs);
55    virtual status_t seekTo(int64_t seekTimeUs);
56
57protected:
58    virtual ~GenericSource();
59
60    virtual sp<MetaData> getFormatMeta(bool audio);
61
62private:
63    struct Track {
64        sp<MediaSource> mSource;
65        sp<AnotherPacketSource> mPackets;
66    };
67
68    Track mAudioTrack;
69    Track mVideoTrack;
70
71    int64_t mDurationUs;
72    bool mAudioIsVorbis;
73
74    void initFromDataSource(const sp<DataSource> &dataSource);
75
76    void readBuffer(
77            bool audio,
78            int64_t seekTimeUs = -1ll, int64_t *actualTimeUs = NULL);
79
80    DISALLOW_EVIL_CONSTRUCTORS(GenericSource);
81};
82
83}  // namespace android
84
85#endif  // GENERIC_SOURCE_H_
86