91 lines
3.0 KiB
C++
91 lines
3.0 KiB
C++
/*
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* Copyright (C) 2010 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_ISTREAMSOURCE_H_
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#define ANDROID_ISTREAMSOURCE_H_
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#include <binder/IInterface.h>
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namespace android {
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struct AMessage;
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struct IMemory;
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struct IStreamListener;
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struct IStreamSource : public IInterface {
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DECLARE_META_INTERFACE(StreamSource);
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virtual void setListener(const sp<IStreamListener> &listener) = 0;
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virtual void setBuffers(const Vector<sp<IMemory> > &buffers) = 0;
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virtual void onBufferAvailable(size_t index) = 0;
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};
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struct IStreamListener : public IInterface {
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DECLARE_META_INTERFACE(StreamListener);
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enum Command {
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EOS,
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DISCONTINUITY,
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};
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virtual void queueBuffer(size_t index, size_t size) = 0;
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// When signalling a discontinuity you can optionally
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// specify an int64_t PTS timestamp in "msg".
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// If present, rendering of data following the discontinuity
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// will be suppressed until media time reaches this timestamp.
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static const char *const kKeyResumeAtPTS;
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// When signalling a discontinuity you can optionally
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// specify the type(s) of discontinuity, i.e. if the
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// audio format has changed, the video format has changed,
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// time has jumped or any combination thereof.
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// To do so, include a non-zero int32_t value
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// under the key "kKeyDiscontinuityMask" when issuing the DISCONTINUITY
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// command.
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// If there is a change in audio/video format, The new logical stream
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// must start with proper codec initialization
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// information for playback to continue, i.e. SPS and PPS in the case
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// of AVC video etc.
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// If this key is not present, only a time discontinuity is assumed.
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// The value should be a bitmask of values from
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// ATSParser::DiscontinuityType.
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static const char *const kKeyDiscontinuityMask;
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virtual void issueCommand(
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Command cmd, bool synchronous, const sp<AMessage> &msg = NULL) = 0;
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};
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////////////////////////////////////////////////////////////////////////////////
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struct BnStreamSource : public BnInterface<IStreamSource> {
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virtual status_t onTransact(
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uint32_t code, const Parcel &data, Parcel *reply,
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uint32_t flags = 0);
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};
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struct BnStreamListener : public BnInterface<IStreamListener> {
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virtual status_t onTransact(
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uint32_t code, const Parcel &data, Parcel *reply,
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uint32_t flags = 0);
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};
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} // namespace android
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#endif // ANDROID_ISTREAMSOURCE_H_
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