genode/os/include/audio_out_session/connection.h
2013-01-10 23:05:43 +01:00

51 lines
1.4 KiB
C++

/*
* \brief Connection to audio service
* \author Sebastian Sumpf
* \date 2012-12-20
*/
/*
* Copyright (C) 2012-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _INCLUDE__AUDIO_OUT_SESSION__CONNECTION_H_
#define _INCLUDE__AUDIO_OUT_SESSION__CONNECTION_H_
#include <audio_out_session/client.h>
#include <base/connection.h>
#include <base/allocator.h>
namespace Audio_out {
struct Connection;
}
struct Audio_out::Connection : Genode::Connection<Session>, Audio_out::Session_client
{
/**
* Constructor
*
* \param channel channel identifier (e.g., "front left")
* \param alloc_signal install 'alloc_signal', the client may then use
* 'wait_for_alloc' when the stream is full
* \param progress_signal install progress signal, the client may then
* call 'wait_for_progress', which is sent when the
* server processed one or more packets
*/
Connection(const char *channel,
bool alloc_signal = true,
bool progress_signal = false)
:
Genode::Connection<Session>(
session("ram_quota=%zd, channel=\"%s\"",
2*4096 + sizeof(Stream), channel)),
Session_client(cap(), alloc_signal, progress_signal)
{ }
};
#endif /* _INCLUDE__AUDIO_OUT_SESSION__CONNECTION_H_ */