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);
}
}
void sdl_window_info::update()
{
osd_ticks_t event_wait_ticks;
// adjust the cursor state
//sdlwindow_update_cursor_state(machine, window);
update_cursor_state();
// if we're visible and running and not in the middle of a resize, draw
if (m_target != nullptr)
{
int tempwidth, tempheight;
// see if the games video mode has changed
m_target->compute_minimum_size(tempwidth, tempheight);
if (osd_dim(tempwidth, tempheight) != m_minimum_dim)
{
m_minimum_dim = osd_dim(tempwidth, tempheight);
if (!this->m_fullscreen)
{
//Don't resize window without user interaction;
//window_resize(blitwidth, blitheight);
}
else if (video_config.switchres)
{
osd_dim tmp = this->pick_best_mode();
resize(tmp.width(), tmp.height());
}
}
if (video_config.waitvsync && video_config.syncrefresh)
event_wait_ticks = osd_ticks_per_second(); // block at most a second
else
event_wait_ticks = 0;
if (m_rendered_event.wait(event_wait_ticks))
{
const int update = 1;
// ensure the target bounds are up-to-date, and then get the primitives
render_primitive_list &primlist = *renderer().get_primitives();
// and redraw now
// Some configurations require events to be polled in the worker thread
downcast< sdl_osd_interface& >(machine().osd()).process_events_buf();
// Check whether window has vector screens
{
const screen_device *screen = screen_device_iterator(machine().root_device()).byindex(m_index);
if ((screen != nullptr) && (screen->screen_type() == SCREEN_TYPE_VECTOR))
renderer().set_flags(osd_renderer::FLAG_HAS_VECTOR_SCREEN);
else
renderer().clear_flags(osd_renderer::FLAG_HAS_VECTOR_SCREEN);
}
m_primlist = &primlist;
// if no bitmap, just fill
if (m_primlist == nullptr)
{
}
// otherwise, render with our drawing system
else
{
if( video_config.perftest )
measure_fps(update);
else
renderer().draw(update);
}
/* all done, ready for next */
m_rendered_event.set();
}
}
}
void video_manager::record_frame()
{
// ignore if nothing to do
if (!is_recording())
return;
// start the profiler and get the current time
g_profiler.start(PROFILER_MOVIE_REC);
attotime curtime = machine().time();
screen_device_iterator device_iterator = screen_device_iterator(machine().root_device());
screen_device_iterator::auto_iterator iter = device_iterator.begin();
for (uint32_t index = 0; index < (std::max)(m_mngs.size(), m_avis.size()); index++, iter++)
{
// create the bitmap
create_snapshot_bitmap(iter.current());
// handle an AVI recording
if ((index < m_avis.size()) && m_avis[index].m_avi_file)
{
avi_info_t &avi_info = m_avis[index];
// loop until we hit the right time
while (avi_info.m_avi_next_frame_time <= curtime)
{
// write the next frame
avi_file::error avierr = avi_info.m_avi_file->append_video_frame(m_snap_bitmap);
if (avierr != avi_file::error::NONE)
{
g_profiler.stop(); // FIXME: double exit if this happens?
end_recording_avi(index);
break;
}
// advance time
avi_info.m_avi_next_frame_time += avi_info.m_avi_frame_period;
avi_info.m_avi_frame++;
}
}
// handle a MNG recording
if ((index < m_mngs.size()) && m_mngs[index].m_mng_file)
{
mng_info_t &mng_info = m_mngs[index];
// loop until we hit the right time
while (mng_info.m_mng_next_frame_time <= curtime)
{
// set up the text fields in the movie info
png_info pnginfo;
if (mng_info.m_mng_frame == 0)
{
std::string text1 = std::string(emulator_info::get_appname()).append(" ").append(emulator_info::get_build_version());
std::string text2 = std::string(machine().system().manufacturer).append(" ").append(machine().system().type.fullname());
pnginfo.add_text("Software", text1.c_str());
pnginfo.add_text("System", text2.c_str());
}
// write the next frame
screen_device *screen = iter.current();
const rgb_t *palette = (screen != nullptr && screen->has_palette()) ? screen->palette().palette()->entry_list_adjusted() : nullptr;
int entries = (screen != nullptr && screen->has_palette()) ? screen->palette().entries() : 0;
png_error error = mng_capture_frame(*mng_info.m_mng_file, pnginfo, m_snap_bitmap, entries, palette);
if (error != PNGERR_NONE)
{
g_profiler.stop(); // FIXME: double exit if this happens?
end_recording_mng(index);
break;
}
// advance time
mng_info.m_mng_next_frame_time += mng_info.m_mng_frame_period;
mng_info.m_mng_frame++;
}
}
if (!m_snap_native)
{
break;
}
}
g_profiler.stop();
}