75 lines
1.9 KiB
C++
75 lines
1.9 KiB
C++
/*
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* \brief Client-side audio-out session interface
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* \author Norman Feske
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* \author Sebastian Sumpf
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* \author Christian Helmuth
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* \author Stefan Kalkowski
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* \date 2009-12-02
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*/
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/*
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* Copyright (C) 2009-2012 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU General Public License version 2.
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*/
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#ifndef _INCLUDE__AUDIO_OUT_SESSION__CLIENT_H_
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#define _INCLUDE__AUDIO_OUT_SESSION__CLIENT_H_
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#include <base/rpc_client.h>
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#include <audio_out_session/audio_out_session.h>
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#include <packet_stream_tx/client.h>
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namespace Audio_out {
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class Session_client : public Genode::Rpc_client<Session>
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{
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private:
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Packet_stream_tx::Client<Session::Channel> _channel;
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Session_capability _cap;
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public:
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/**
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* Constructor
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*
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* \param session Audio-out session capability
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* \param buffer_alloc allocator used for managing the
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* transmission buffer
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*/
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Session_client(Genode::Capability<Session> session,
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Genode::Range_allocator *buffer_alloc)
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:
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Genode::Rpc_client<Session>(session),
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_channel(call<Rpc_channel_cap>(), buffer_alloc),
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_cap(session)
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{ }
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/**
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* Return session capability of this session
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*
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* This function is meant to be used to obtain the argument for the
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* 'sync_session' function called for another 'Audio_out' session.
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*/
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Session_capability session_capability() { return _cap; }
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Session::Channel *channel() { return &_channel; }
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/*********************************
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** Audio-out session interface **
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*********************************/
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Session::Channel::Source *stream() { return _channel.source(); }
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void flush(void) { call<Rpc_flush>(); }
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void sync_session(Session_capability audio_out_session) {
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call<Rpc_sync_session>(audio_out_session); }
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};
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}
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#endif /* _INCLUDE__AUDIO_OUT_SESSION__CLIENT_H_ */
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