135 lines
3.6 KiB
C++
135 lines
3.6 KiB
C++
/*
|
|
* \brief Avplay policy
|
|
* \author Christian Prochaska
|
|
* \date 2012-04-05
|
|
*/
|
|
|
|
/*
|
|
* 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 _AVPLAY_POLICY_H_
|
|
#define _AVPLAY_POLICY_H_
|
|
|
|
/* Qt includes */
|
|
#include <QDebug>
|
|
#include <QObject>
|
|
#include <QDomDocument>
|
|
#include <QDomElement>
|
|
#include <QDomText>
|
|
|
|
/* Genode includes */
|
|
#include <os/slave.h>
|
|
|
|
|
|
class Avplay_policy : public QObject, public Genode::Slave_policy
|
|
{
|
|
Q_OBJECT
|
|
|
|
private:
|
|
|
|
Genode::Service_registry &_input_in;
|
|
Genode::Service_registry &_framebuffer_in;
|
|
|
|
const char *_mediafile;
|
|
int _sdl_audio_volume;
|
|
QByteArray _config_byte_array;
|
|
|
|
|
|
const char *_config()
|
|
{
|
|
QDomDocument config_doc;
|
|
|
|
QDomElement config_node = config_doc.createElement("config");
|
|
config_doc.appendChild(config_node);
|
|
|
|
QDomElement arg0_node = config_doc.createElement("arg");
|
|
arg0_node.setAttribute("value", "avplay");
|
|
config_node.appendChild(arg0_node);
|
|
|
|
QDomElement arg1_node = config_doc.createElement("arg");
|
|
arg1_node.setAttribute("value", _mediafile);
|
|
config_node.appendChild(arg1_node);
|
|
|
|
/*
|
|
* Configure libc of avplay to direct output to LOG and to obtain
|
|
* the mediafile from ROM.
|
|
*/
|
|
QDomElement libc_node = config_doc.createElement("libc");
|
|
libc_node.setAttribute("stdout", "/dev/log");
|
|
libc_node.setAttribute("stderr", "/dev/log");
|
|
QDomElement libc_vfs_node = config_doc.createElement("vfs");
|
|
QDomElement libc_vfs_dev_node = config_doc.createElement("dir");
|
|
libc_vfs_dev_node.setAttribute("name", "dev");
|
|
QDomElement libc_vfs_dev_log_node = config_doc.createElement("log");
|
|
libc_vfs_dev_node.appendChild(libc_vfs_dev_log_node);
|
|
libc_vfs_node.appendChild(libc_vfs_dev_node);
|
|
QDomElement libc_vfs_mediafile_node = config_doc.createElement("rom");
|
|
libc_vfs_mediafile_node.setAttribute("name", "mediafile");
|
|
libc_vfs_node.appendChild(libc_vfs_mediafile_node);
|
|
libc_node.appendChild(libc_vfs_node);
|
|
config_node.appendChild(libc_node);
|
|
|
|
QDomElement sdl_audio_volume_node = config_doc.createElement("sdl_audio_volume");
|
|
sdl_audio_volume_node.setAttribute("value", QString::number(_sdl_audio_volume));
|
|
config_node.appendChild(sdl_audio_volume_node);
|
|
|
|
_config_byte_array = config_doc.toByteArray(4);
|
|
|
|
return _config_byte_array.constData();
|
|
}
|
|
|
|
protected:
|
|
|
|
const char **_permitted_services() const
|
|
{
|
|
static const char *permitted_services[] = {
|
|
"CAP", "LOG", "RM", "ROM", "SIGNAL",
|
|
"Timer", "Audio_out", 0 };
|
|
|
|
return permitted_services;
|
|
};
|
|
|
|
public:
|
|
|
|
Avplay_policy(Genode::Rpc_entrypoint &entrypoint,
|
|
Genode::Service_registry &input_in,
|
|
Genode::Service_registry &framebuffer_in,
|
|
const char *mediafile)
|
|
: Genode::Slave_policy("avplay", entrypoint, Genode::env()->ram_session()),
|
|
_input_in(input_in),
|
|
_framebuffer_in(framebuffer_in),
|
|
_mediafile(mediafile),
|
|
_sdl_audio_volume(100)
|
|
{
|
|
configure(_config());
|
|
}
|
|
|
|
Genode::Service *resolve_session_request(const char *service_name,
|
|
const char *args)
|
|
{
|
|
if (strcmp(service_name, "Input") == 0)
|
|
return _input_in.find(service_name);
|
|
|
|
if (strcmp(service_name, "Framebuffer") == 0) {
|
|
Genode::Client client;
|
|
return _framebuffer_in.wait_for_service(service_name, &client, name());
|
|
}
|
|
|
|
return Slave_policy::resolve_session_request(service_name, args);
|
|
}
|
|
|
|
public Q_SLOTS:
|
|
|
|
void volume_changed(int value)
|
|
{
|
|
_sdl_audio_volume = value;
|
|
configure(_config());
|
|
}
|
|
};
|
|
|
|
#endif /* _AVPLAY_POLICY_H_ */
|