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 NUPLAYER_STREAM_LISTENER_H_
18
19#define NUPLAYER_STREAM_LISTENER_H_
20
21#include "NuPlayer.h"
22
23#include <media/IStreamSource.h>
24
25namespace android {
26
27struct MemoryDealer;
28
29struct NuPlayer::NuPlayerStreamListener : public BnStreamListener {
30    NuPlayerStreamListener(
31            const sp<IStreamSource> &source,
32            ALooper::handler_id targetID);
33
34    virtual void queueBuffer(size_t index, size_t size);
35
36    virtual void issueCommand(
37            Command cmd, bool synchronous, const sp<AMessage> &extra);
38
39    void start();
40    ssize_t read(void *data, size_t size, sp<AMessage> *extra);
41
42private:
43    enum {
44        kNumBuffers = 8,
45        kBufferSize = 188 * 10
46    };
47
48    struct QueueEntry {
49        bool mIsCommand;
50
51        size_t mIndex;
52        size_t mSize;
53        size_t mOffset;
54
55        Command mCommand;
56        sp<AMessage> mExtra;
57    };
58
59    Mutex mLock;
60
61    sp<IStreamSource> mSource;
62    ALooper::handler_id mTargetID;
63    sp<MemoryDealer> mMemoryDealer;
64    Vector<sp<IMemory> > mBuffers;
65    List<QueueEntry> mQueue;
66    bool mEOS;
67    bool mSendDataNotification;
68
69    DISALLOW_EVIL_CONSTRUCTORS(NuPlayerStreamListener);
70};
71
72}  // namespace android
73
74#endif // NUPLAYER_STREAM_LISTENER_H_
75