示例#1
0
文件: video.cpp 项目: kaspal/mame
video_manager::video_manager(running_machine &machine)
	: m_machine(machine),
		m_screenless_frame_timer(nullptr),
		m_output_changed(false),
		m_throttle_last_ticks(0),
		m_throttle_realtime(attotime::zero),
		m_throttle_emutime(attotime::zero),
		m_throttle_history(0),
		m_speed_last_realtime(0),
		m_speed_last_emutime(attotime::zero),
		m_speed_percent(1.0),
		m_overall_real_seconds(0),
		m_overall_real_ticks(0),
		m_overall_emutime(attotime::zero),
		m_overall_valid_counter(0),
		m_throttled(machine.options().throttle()),
		m_throttle_rate(1.0f),
		m_fastforward(false),
		m_seconds_to_run(machine.options().seconds_to_run()),
		m_auto_frameskip(machine.options().auto_frameskip()),
		m_speed(original_speed_setting()),
		m_empty_skip_count(0),
		m_frameskip_level(machine.options().frameskip()),
		m_frameskip_counter(0),
		m_frameskip_adjust(0),
		m_skipping_this_frame(false),
		m_average_oversleep(0),
		m_snap_target(nullptr),
		m_snap_native(true),
		m_snap_width(0),
		m_snap_height(0),
		m_mng_frame_period(attotime::zero),
		m_mng_next_frame_time(attotime::zero),
		m_mng_frame(0),
		m_avi_file(nullptr),
		m_avi_frame_period(attotime::zero),
		m_avi_next_frame_time(attotime::zero),
		m_avi_frame(0),
		m_dummy_recording(false),
		m_timecode_enabled(false),
		m_timecode_write(false),
		m_timecode_text(""),
		m_timecode_start(attotime::zero),
		m_timecode_total(attotime::zero)

{
	// request a callback upon exiting
	machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(video_manager::exit), this));
	machine.save().register_postload(save_prepost_delegate(FUNC(video_manager::postload), this));

	// extract initial execution state from global configuration settings
	update_refresh_speed();

	// create a render target for snapshots
	const char *viewname = machine.options().snap_view();
	m_snap_native = (machine.first_screen() != nullptr && (viewname[0] == 0 || strcmp(viewname, "native") == 0));

	// the native target is hard-coded to our internal layout and has all options disabled
	if (m_snap_native)
	{
		m_snap_target = machine.render().target_alloc(layout_snap, RENDER_CREATE_SINGLE_FILE | RENDER_CREATE_HIDDEN);
		m_snap_target->set_backdrops_enabled(false);
		m_snap_target->set_overlays_enabled(false);
		m_snap_target->set_bezels_enabled(false);
		m_snap_target->set_cpanels_enabled(false);
		m_snap_target->set_marquees_enabled(false);
		m_snap_target->set_screen_overlay_enabled(false);
		m_snap_target->set_zoom_to_screen(false);
	}

	// other targets select the specified view and turn off effects
	else
	{
		m_snap_target = machine.render().target_alloc(nullptr, RENDER_CREATE_HIDDEN);
		m_snap_target->set_view(m_snap_target->configured_view(viewname, 0, 1));
		m_snap_target->set_screen_overlay_enabled(false);
	}

	// extract snap resolution if present
	if (sscanf(machine.options().snap_size(), "%dx%d", &m_snap_width, &m_snap_height) != 2)
		m_snap_width = m_snap_height = 0;

	// start recording movie if specified
	const char *filename = machine.options().mng_write();
	if (filename[0] != 0)
		begin_recording(filename, MF_MNG);

	filename = machine.options().avi_write();
	if (filename[0] != 0)
		begin_recording(filename, MF_AVI);

#ifdef MAME_DEBUG
	m_dummy_recording = machine.options().dummy_write();
#endif

	// if no screens, create a periodic timer to drive updates
	if (machine.first_screen() == nullptr)
	{
		m_screenless_frame_timer = machine.scheduler().timer_alloc(timer_expired_delegate(FUNC(video_manager::screenless_update_callback), this));
		m_screenless_frame_timer->adjust(screen_device::DEFAULT_FRAME_PERIOD, 0, screen_device::DEFAULT_FRAME_PERIOD);
		machine.output().set_notifier(nullptr, video_notifier_callback, this);
	}
}
示例#2
0
文件: video.cpp 项目: MASHinfo/mame
video_manager::video_manager(running_machine &machine)
	: m_machine(machine)
	, m_screenless_frame_timer(nullptr)
	, m_output_changed(false)
	, m_throttle_last_ticks(0)
	, m_throttle_realtime(attotime::zero)
	, m_throttle_emutime(attotime::zero)
	, m_throttle_history(0)
	, m_speed_last_realtime(0)
	, m_speed_last_emutime(attotime::zero)
	, m_speed_percent(1.0)
	, m_overall_real_seconds(0)
	, m_overall_real_ticks(0)
	, m_overall_emutime(attotime::zero)
	, m_overall_valid_counter(0)
	, m_throttled(machine.options().throttle())
	, m_throttle_rate(1.0f)
	, m_fastforward(false)
	, m_seconds_to_run(machine.options().seconds_to_run())
	, m_auto_frameskip(machine.options().auto_frameskip())
	, m_speed(original_speed_setting())
	, m_empty_skip_count(0)
	, m_frameskip_level(machine.options().frameskip())
	, m_frameskip_counter(0)
	, m_frameskip_adjust(0)
	, m_skipping_this_frame(false)
	, m_average_oversleep(0)
	, m_snap_target(nullptr)
	, m_snap_native(true)
	, m_snap_width(0)
	, m_snap_height(0)
	, m_timecode_enabled(false)
	, m_timecode_write(false)
	, m_timecode_text("")
	, m_timecode_start(attotime::zero)
	, m_timecode_total(attotime::zero)
{
	// request a callback upon exiting
	machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(&video_manager::exit, this));
	machine.save().register_postload(save_prepost_delegate(FUNC(video_manager::postload), this));

	// extract initial execution state from global configuration settings
	update_refresh_speed();

	const unsigned screen_count(screen_device_iterator(machine.root_device()).count());
	const bool no_screens(!screen_count);

	// create a render target for snapshots
	const char *viewname = machine.options().snap_view();
	m_snap_native = !no_screens && (viewname[0] == 0 || strcmp(viewname, "native") == 0);

	if (m_snap_native)
	{
		// the native target is hard-coded to our internal layout and has all options disabled
		util::xml::file::ptr const root(util::xml::file::create());
		if (!root)
			throw emu_fatalerror("Couldn't create XML document??");
		util::xml::data_node *const layoutnode(root->add_child("mamelayout", nullptr));
		if (!layoutnode)
			throw emu_fatalerror("Couldn't create XML node??");
		layoutnode->set_attribute_int("version", 2);

		for (unsigned i = 0; screen_count > i; ++i)
		{
			util::xml::data_node *const viewnode(layoutnode->add_child("view", nullptr));
			if (!viewnode)
				throw emu_fatalerror("Couldn't create XML node??");
			viewnode->set_attribute("name", util::xml::normalize_string(util::string_format("s%1$u", i).c_str()));
			util::xml::data_node *const screennode(viewnode->add_child("screen", nullptr));
			if (!screennode)
				throw emu_fatalerror("Couldn't create XML node??");
			screennode->set_attribute_int("index", i);
			util::xml::data_node *const boundsnode(screennode->add_child("bounds", nullptr));
			if (!boundsnode)
				throw emu_fatalerror("Couldn't create XML node??");
			boundsnode->set_attribute_int("left", 0);
			boundsnode->set_attribute_int("top", 0);
			boundsnode->set_attribute_int("right", 1);
			boundsnode->set_attribute_int("bottom", 1);
		}

		m_snap_target = machine.render().target_alloc(*root, RENDER_CREATE_SINGLE_FILE | RENDER_CREATE_HIDDEN);
		m_snap_target->set_backdrops_enabled(false);
		m_snap_target->set_overlays_enabled(false);
		m_snap_target->set_bezels_enabled(false);
		m_snap_target->set_cpanels_enabled(false);
		m_snap_target->set_marquees_enabled(false);
		m_snap_target->set_screen_overlay_enabled(false);
		m_snap_target->set_zoom_to_screen(false);
	}
	else
	{
		// otherwise, non-default targets select the specified view and turn off effects
		m_snap_target = machine.render().target_alloc(nullptr, RENDER_CREATE_HIDDEN);
		m_snap_target->set_view(m_snap_target->configured_view(viewname, 0, 1));
		m_snap_target->set_screen_overlay_enabled(false);
	}

	// extract snap resolution if present
	if (sscanf(machine.options().snap_size(), "%dx%d", &m_snap_width, &m_snap_height) != 2)
		m_snap_width = m_snap_height = 0;

	// start recording movie if specified
	const char *filename = machine.options().mng_write();
	if (filename[0] != 0)
		begin_recording(filename, MF_MNG);

	filename = machine.options().avi_write();
	if (filename[0] != 0)
		begin_recording(filename, MF_AVI);

	// if no screens, create a periodic timer to drive updates
	if (no_screens)
	{
		m_screenless_frame_timer = machine.scheduler().timer_alloc(timer_expired_delegate(FUNC(video_manager::screenless_update_callback), this));
		m_screenless_frame_timer->adjust(screen_device::DEFAULT_FRAME_PERIOD, 0, screen_device::DEFAULT_FRAME_PERIOD);
		machine.output().set_notifier(nullptr, video_notifier_callback, this);
	}
}