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 ANDROID_ISTREAMSOURCE_H_
18
19#define ANDROID_ISTREAMSOURCE_H_
20
21#include <binder/IInterface.h>
22
23namespace android {
24
25struct AMessage;
26class IMemory;
27struct IStreamListener;
28
29struct IStreamSource : public IInterface {
30    DECLARE_META_INTERFACE(StreamSource);
31
32    virtual void setListener(const sp<IStreamListener> &listener) = 0;
33    virtual void setBuffers(const Vector<sp<IMemory> > &buffers) = 0;
34
35    virtual void onBufferAvailable(size_t index) = 0;
36
37    enum {
38        // Video PES packets contain exactly one (aligned) access unit.
39        kFlagAlignedVideoData = 1,
40
41        // Timestamps are in ALooper::GetNowUs() units.
42        kFlagIsRealTimeData   = 2,
43    };
44    virtual uint32_t flags() const { return 0; }
45};
46
47struct IStreamListener : public IInterface {
48    DECLARE_META_INTERFACE(StreamListener);
49
50    enum Command {
51        EOS,
52        DISCONTINUITY,
53    };
54
55    virtual void queueBuffer(size_t index, size_t size) = 0;
56
57    virtual void issueCommand(
58            Command cmd, bool synchronous, const sp<AMessage> &msg = NULL) = 0;
59};
60
61////////////////////////////////////////////////////////////////////////////////
62
63struct BnStreamSource : public BnInterface<IStreamSource> {
64    virtual status_t onTransact(
65            uint32_t code, const Parcel &data, Parcel *reply,
66            uint32_t flags = 0);
67};
68
69struct BnStreamListener : public BnInterface<IStreamListener> {
70    virtual status_t onTransact(
71            uint32_t code, const Parcel &data, Parcel *reply,
72            uint32_t flags = 0);
73};
74
75}  // namespace android
76
77#endif  // ANDROID_ISTREAMSOURCE_H_
78