APacketSource.h revision cf7b9c7aae758ac0b99833915053c63c2ac46e09 
1/*
2 * Copyright (C) 2010 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 A_PACKET_SOURCE_H_
18
19#define A_PACKET_SOURCE_H_
20
21#include <media/stagefright/foundation/ABase.h>
22#include <media/stagefright/MediaSource.h>
23#include <utils/threads.h>
24#include <utils/List.h>
25
26namespace android {
27
28struct ABuffer;
29struct ASessionDescription;
30
31struct APacketSource : public MediaSource {
32    APacketSource(const sp<ASessionDescription> &sessionDesc, size_t index);
33
34    virtual status_t start(MetaData *params = NULL);
35    virtual status_t stop();
36    virtual sp<MetaData> getFormat();
37
38    virtual status_t read(
39            MediaBuffer **buffer, const ReadOptions *options = NULL);
40
41    void queueAccessUnit(const sp<ABuffer> &buffer);
42    void signalEOS(status_t result);
43
44protected:
45    virtual ~APacketSource();
46
47private:
48    Mutex mLock;
49    Condition mCondition;
50
51    sp<MetaData> mFormat;
52    List<sp<ABuffer> > mBuffers;
53    status_t mEOSResult;
54
55    DISALLOW_EVIL_CONSTRUCTORS(APacketSource);
56};
57
58
59}  // namespace android
60
61#endif  // A_PACKET_SOURCE_H_
62