99 lines
3.5 KiB
C++
Executable File
99 lines
3.5 KiB
C++
Executable File
/**
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* @RDE_HEADER@
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* ChooseStream
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* $Id$
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* $HeadURL$
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* $Author$
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* Created by Christian Fröbel, SLSE, 2017-06-29
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*/
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#pragma once
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#include <AudioVideoManagement/icommand.h>
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#include <AudioVideoManagement/ava_types.h>
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#include <AudioVideoManagement/avm_export.h>
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#include <QString>
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#include <boost/optional.hpp>
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namespace AudioVideoManagement
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{
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class IAvaComm;
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class IAvaCommandDoneObserver;
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namespace AvaCommands
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{
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/**
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* Example protocol for chooseStream:
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* @code
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* ==> b'chooseStream "av_0045" 1 "CTCVideo-1"\n'
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* <== b'200 OK\r\n'
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* <== b'221 "av_0040" "CTCVideo-1" 1523026547.94 STREAMPOS\r\n' -- for each previously active stream
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* <== b'221 "av_0053" "CTCVideo-1" 1523026547.94 STREAMPOS\r\n'
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* <== b'221 "av_0045" "CTCVideo-1" 1523026547.94 STREAMPOS\r\n'
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* <== b'221 "av_0036" "CTCVideo-1" 1523026547.94 STREAMPOS\r\n'
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* <== b'223 "av_0036" "CTCVideo-1" 3 STREAMSTATE\r\n' -- for each previously active video *and* audio stream
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* <== b'223 "av_0040" "CTCVideo-1" 3 STREAMSTATE\r\n'
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* <== b'223 "av_0045" "CTCVideo-1" 3 STREAMSTATE\r\n'
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* <== b'223 "av_0053" "CTCVideo-1" 3 STREAMSTATE\r\n'
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* <== b'223 "av_0040" "CTCVideo-1" 3 STREAMSTATE\r\n'
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* <== b'223 "av_0053" "CTCVideo-1" 3 STREAMSTATE\r\n'
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* <== b'223 "av_0045" "CTCVideo-1" 3 STREAMSTATE\r\n'
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* <== b'223 "av_0036" "CTCVideo-1" 3 STREAMSTATE\r\n'
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* <== b'220 "av_0045" "CTCVideo-1" 1523026548.00 1523026548.00 0.00 STREAMINFO\r\n' -- for the newly chosen stream
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* <== b'221 "av_0045" "CTCVideo-1" 1523026548.00 STREAMPOS\r\n'
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* <== b'222 "av_0045" "CTCVideo-1" 100 STREAMSPEED\r\n'
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* <== b'223 "av_0045" "CTCVideo-1" 0 STREAMSTATE\r\n'
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* <== b'224 "av_0045" "CTCVideo-1" 1 0 STREAMMODE\r\n'
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* <== b'225 "av_0045" "CTCVideo-1" 1 STREAMAUDIOMUTE\r\n' -- optional, in case the stream has an audio part
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* <== b'228 "av_0045" "CTCVideo-1" 1 STREAMVOLUMECHANGED\r\n'
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* <== b'225 "av_0045" "CTCVideo-1" 1 STREAMAUDIOMUTE\r\n'
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* <== b'223 "av_0045" "CTCVideo-1" 1 STREAMSTATE\r\n'
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* @endcode
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*
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* The order of those responses is deterministic.
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* See AVS-Software src/app/AVS_Workstation/app/presentationgroup.cpp:
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* int PresentationGroup::sendInfo(QString stream, int type)
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*
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* So we synchronize on the StreamMode response as everything thereafter is optional.
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*
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* @author Christian Fröbel
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*/
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class AVM_COMMON_EXPORT ChooseStream final : public ICommand
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{
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Q_OBJECT
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public:
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ChooseStream(IAvaComm *comm, IAvaCommandDoneObserver *doneObserver, const QString &dialogId, const QString &streamName);
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void send() override;
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QString debug() const override { return QLatin1String("ChooseStream: ") + m_streamName; }
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/**
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* May only be called after the command has successfully completed.
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*/
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///{@
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AvaStreamInfo streamInfo() const { return *m_streamInfo; }
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AvaStreamState streamState() const { return *m_streamState; }
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///@}
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private slots:
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void onStreamInfoReceived(const QString &dialogId, const QString &streamName, const AvaStreamInfo &streamInfo);
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void onStreamStateReceived(const QString &dialogId, const QString &streamName, AvaStreamState streamState);
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void onStreamModeReceived(const QString &dialogId, const QString &streamName, bool pint, bool autoStop);
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private:
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void done();
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const QString m_dialogId;
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const QString m_streamName;
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boost::optional<AvaStreamInfo> m_streamInfo;
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boost::optional<AvaStreamState> m_streamState;
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IAvaComm *m_comm;
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IAvaCommandDoneObserver *m_observer;
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};
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}} // namespace AudioVideoManagement::AvaCommands
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