95 lines
3.4 KiB
C++
95 lines
3.4 KiB
C++
/*
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* \brief Main window of the media player
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* \author Christian Prochaska
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* \date 2012-03-29
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*/
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/*
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* Copyright (C) 2012-2013 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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/* qt_avplay includes */
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#include "avplay_policy.h"
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#include "filter_framebuffer_policy.h"
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#include "framebuffer_root.h"
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#include "main_window.h"
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using namespace Genode;
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struct Framebuffer_filter
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{
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enum { MAX_FILTER_NAME_SIZE = 32 };
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char name[MAX_FILTER_NAME_SIZE];
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Genode::Number_of_bytes ram_quota;
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Service_registry *framebuffer_out_registry;
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Rpc_entrypoint *ep;
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Filter_framebuffer_policy *policy;
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Slave *slave;
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};
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Main_window::Main_window()
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:
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_control_bar(_input_session.event_queue())
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{
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_input_registry.insert(&_input_service);
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_ep.manage(&_input_root);
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/* find out which filtering framebuffer services to start and sort them in reverse order */
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static QList<Framebuffer_filter*> framebuffer_filters;
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try {
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Xml_node node = config()->xml_node().sub_node("framebuffer_filter");
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for (; ; node = node.next("framebuffer_filter")) {
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Framebuffer_filter *framebuffer_filter = new Framebuffer_filter;
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node.attribute("name").value(framebuffer_filter->name, sizeof(framebuffer_filter->name));
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node.attribute("ram_quota").value(&framebuffer_filter->ram_quota);
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qDebug() << "filter:" << framebuffer_filter->name << "," << framebuffer_filter->ram_quota;
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framebuffer_filters.prepend(framebuffer_filter);
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}
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} catch (Xml_node::Nonexistent_sub_node) { }
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/* start the filtering framebuffer services */
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Service_registry *framebuffer_in_registry = &_nitpicker_framebuffer_registry;
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Q_FOREACH(Framebuffer_filter *framebuffer_filter, framebuffer_filters) {
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framebuffer_filter->framebuffer_out_registry = new Service_registry;
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framebuffer_filter->ep = new Rpc_entrypoint(&_cap, STACK_SIZE, "filter_fb_ep");
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framebuffer_filter->policy = new Filter_framebuffer_policy(framebuffer_filter->name,
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*framebuffer_filter->ep,
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*framebuffer_in_registry,
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*framebuffer_filter->framebuffer_out_registry);
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framebuffer_filter->slave = new Slave(*framebuffer_filter->ep,
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*framebuffer_filter->policy,
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framebuffer_filter->ram_quota);
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framebuffer_in_registry = framebuffer_filter->framebuffer_out_registry;
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}
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Rpc_entrypoint *local_framebuffer_ep = framebuffer_filters.isEmpty() ?
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&_ep :
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framebuffer_filters.at(0)->ep;
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static Framebuffer::Root framebuffer_root(local_framebuffer_ep, env()->heap(), *_avplay_widget, 640, 480);
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static Local_service framebuffer_service(Framebuffer::Session::service_name(), &framebuffer_root);
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_nitpicker_framebuffer_registry.insert(&framebuffer_service);
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/* start avplay */
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static Avplay_policy avplay_policy(_ep, _input_registry, *framebuffer_in_registry, _mediafile_name.buf);
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static Genode::Slave avplay_slave(_ep, avplay_policy, 32*1024*1024);
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/* add widgets to layout */
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_layout->addWidget(_avplay_widget);
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_layout->addWidget(_control_bar);
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connect(_control_bar, SIGNAL(volume_changed(int)), &avplay_policy, SLOT(volume_changed(int)));
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}
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