void video_manager::update_refresh_speed()
{
// only do this if the refreshspeed option is used
if (machine().options().refresh_speed())
{
double minrefresh = machine().render().max_update_rate();
if (minrefresh != 0)
{
// find the screen with the shortest frame period (max refresh rate)
// note that we first check the token since this can get called before all screens are created
attoseconds_t min_frame_period = ATTOSECONDS_PER_SECOND;
screen_device_iterator iter(machine().root_device());
for (screen_device *screen = iter.first(); screen != nullptr; screen = iter.next())
{
attoseconds_t period = screen->frame_period().attoseconds();
if (period != 0)
min_frame_period = MIN(min_frame_period, period);
}
// compute a target speed as an integral percentage
// note that we lop 0.25Hz off of the minrefresh when doing the computation to allow for
// the fact that most refresh rates are not accurate to 10 digits...
UINT32 target_speed = floor((minrefresh - 0.25) * 1000.0 / ATTOSECONDS_TO_HZ(min_frame_period));
UINT32 original_speed = original_speed_setting();
target_speed = MIN(target_speed, original_speed);
// if we changed, log that verbosely
if (target_speed != m_speed)
{
osd_printf_verbose("Adjusting target speed to %.1f%% (hw=%.2fHz, game=%.2fHz, adjusted=%.2fHz)\n", target_speed / 10.0, minrefresh, ATTOSECONDS_TO_HZ(min_frame_period), ATTOSECONDS_TO_HZ(min_frame_period * 1000.0 / target_speed));
m_speed = target_speed;
}
}
}
}
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);
}
}
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);
}
}
