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Andreas Hubere2b10282010-11-23 11:41:34 -08001/*
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
Andreas Huber14acc732010-12-06 10:36:06 -080025struct AMessage;
Andreas Hubere2b10282010-11-23 11:41:34 -080026struct 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;
Andreas Huberda7ff532012-08-31 13:40:12 -070036
37 enum {
38 // Video PES packets contain exactly one (aligned) access unit.
39 kFlagAlignedVideoData = 1,
40 };
41 virtual uint32_t flags() const { return 0; }
Andreas Hubere2b10282010-11-23 11:41:34 -080042};
43
44struct IStreamListener : public IInterface {
45 DECLARE_META_INTERFACE(StreamListener);
46
47 enum Command {
Andreas Huber14acc732010-12-06 10:36:06 -080048 EOS,
Andreas Hubere2b10282010-11-23 11:41:34 -080049 DISCONTINUITY,
Andreas Hubere2b10282010-11-23 11:41:34 -080050 };
51
52 virtual void queueBuffer(size_t index, size_t size) = 0;
Andreas Huber14acc732010-12-06 10:36:06 -080053
Andreas Huber32f3cef2011-03-02 15:34:46 -080054 // When signalling a discontinuity you can optionally
55 // specify an int64_t PTS timestamp in "msg".
56 // If present, rendering of data following the discontinuity
57 // will be suppressed until media time reaches this timestamp.
58 static const char *const kKeyResumeAtPTS;
59
Andreas Huber42e549e2011-07-13 09:36:11 -070060 // When signalling a discontinuity you can optionally
Andreas Huberbfcc8d82011-11-29 11:57:35 -080061 // specify the type(s) of discontinuity, i.e. if the
62 // audio format has changed, the video format has changed,
63 // time has jumped or any combination thereof.
64 // To do so, include a non-zero int32_t value
65 // under the key "kKeyDiscontinuityMask" when issuing the DISCONTINUITY
Andreas Huber42e549e2011-07-13 09:36:11 -070066 // command.
Andreas Huberbfcc8d82011-11-29 11:57:35 -080067 // If there is a change in audio/video format, The new logical stream
68 // must start with proper codec initialization
Andreas Huber42e549e2011-07-13 09:36:11 -070069 // information for playback to continue, i.e. SPS and PPS in the case
70 // of AVC video etc.
Andreas Huberbfcc8d82011-11-29 11:57:35 -080071 // If this key is not present, only a time discontinuity is assumed.
72 // The value should be a bitmask of values from
73 // ATSParser::DiscontinuityType.
74 static const char *const kKeyDiscontinuityMask;
Andreas Huber42e549e2011-07-13 09:36:11 -070075
Andreas Huberb7c8e912012-11-27 15:02:53 -080076 // Optionally signalled as part of a discontinuity that includes
77 // DISCONTINUITY_TIME. It indicates the media time (in us) to be associated
78 // with the next PTS occuring in the stream. The value is of type int64_t.
79 static const char *const kKeyMediaTimeUs;
80
Andreas Huber14acc732010-12-06 10:36:06 -080081 virtual void issueCommand(
82 Command cmd, bool synchronous, const sp<AMessage> &msg = NULL) = 0;
Andreas Hubere2b10282010-11-23 11:41:34 -080083};
84
85////////////////////////////////////////////////////////////////////////////////
86
87struct BnStreamSource : public BnInterface<IStreamSource> {
88 virtual status_t onTransact(
89 uint32_t code, const Parcel &data, Parcel *reply,
90 uint32_t flags = 0);
91};
92
93struct BnStreamListener : public BnInterface<IStreamListener> {
94 virtual status_t onTransact(
95 uint32_t code, const Parcel &data, Parcel *reply,
96 uint32_t flags = 0);
97};
98
99} // namespace android
100
101#endif // ANDROID_ISTREAMSOURCE_H_