PlaybackEngine Class Reference

#include <playbackengine.h>

Inherits Thread.

Inherited by CPlayback, and VPlayback.

Collaboration diagram for PlaybackEngine:

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Public Member Functions
	PlaybackEngine (MWindow *mwindow, Canvas *output)
virtual	~PlaybackEngine ()
int	create_objects ()
virtual int	create_render_engine ()
void	delete_render_engine ()
void	arm_render_engine ()
void	start_render_engine ()
void	wait_render_engine ()
void	create_cache ()
void	perform_change ()
void	sync_parameters (EDL *edl)
void	interrupt_playback (int wait_tracking=0)
int	get_output_levels (double *levels, long position)
int	get_module_levels (ArrayList< double > *module_levels, long position)
virtual void	init_cursor ()
virtual void	stop_cursor ()
virtual int	brender_available (long position)
virtual void	init_tracking ()
virtual void	stop_tracking ()
virtual double	get_tracking_position ()
virtual void	update_transport (int command, int paused)
void	update_tracking (double position)
ChannelDB *	get_channeldb ()
void	run ()
Data Fields
CICache *	audio_cache
CICache *	video_cache
int	tracking_active
double	tracking_position
Timer	tracking_timer
Mutex *	tracking_lock
Condition *	tracking_done
Condition *	pause_lock
Condition *	start_lock
MWindow *	mwindow
Canvas *	output
Preferences *	preferences
TransportQue *	que
TransportCommand *	command
int	last_command
int	done
int	do_cwindow
RenderEngine *	render_engine
int	is_playing_back
int	debug

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Detailed Description

Definition at line 22 of file playbackengine.h.

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Constructor & Destructor Documentation

PlaybackEngine::PlaybackEngine	(	MWindow *	mwindow,
		Canvas *	output
	)

Definition at line 23 of file playbackengine.C.

References audio_cache, debug, is_playing_back, last_command, pause_lock, render_engine, start_lock, STOP, tracking_active, tracking_done, tracking_lock, tracking_position, and video_cache.

PlaybackEngine::~PlaybackEngine

(

)

[virtual]

Definition at line 42 of file playbackengine.C.

References audio_cache, command, delete_render_engine(), done, interrupt_playback(), Thread::join(), pause_lock, preferences, que, TransportQue::send_command(), start_lock, STOP, tracking_done, tracking_lock, and video_cache.

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Member Function Documentation

int PlaybackEngine::create_objects

(

)

Definition at line 64 of file playbackengine.C.

References TransportCommand::change_type, TransportQue::command, command, Preferences::copy_from(), done, Condition::lock(), mwindow, MWindow::preferences, preferences, que, Thread::start(), and start_lock.

Referenced by VWindow::create_objects(), and CWindow::create_objects().

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int PlaybackEngine::create_render_engine

(

)

[virtual]

Reimplemented in CPlayback, and VPlayback.

Definition at line 96 of file playbackengine.C.

References command, delete_render_engine(), get_channeldb(), mwindow, output, MWindow::plugindb, preferences, and render_engine.

Referenced by VPlayback::create_render_engine(), CPlayback::create_render_engine(), and perform_change().

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void PlaybackEngine::delete_render_engine

(

)

Definition at line 114 of file playbackengine.C.

References render_engine.

Referenced by create_render_engine(), and ~PlaybackEngine().

void PlaybackEngine::arm_render_engine

(

)

Definition at line 120 of file playbackengine.C.

References RenderEngine::arm_command(), command, and render_engine.

Referenced by run().

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void PlaybackEngine::start_render_engine

(

)

Definition at line 129 of file playbackengine.C.

References render_engine, and RenderEngine::start_command().

Referenced by run().

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void PlaybackEngine::wait_render_engine

(

)

Definition at line 134 of file playbackengine.C.

References command, Thread::join(), TransportCommand::realtime, and render_engine.

Referenced by run().

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void PlaybackEngine::create_cache

(

)

Definition at line 142 of file playbackengine.C.

References audio_cache, mwindow, MWindow::plugindb, preferences, and video_cache.

Referenced by perform_change().

void PlaybackEngine::perform_change

(

)

Definition at line 155 of file playbackengine.C.

References TransportCommand::change_type, command, create_cache(), create_render_engine(), RenderEngine::edl, TransportCommand::get_edl(), render_engine, and EDL::synchronize_params().

Referenced by run().

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void PlaybackEngine::sync_parameters

(

EDL *

edl

)

Definition at line 172 of file playbackengine.C.

References command, RenderEngine::edl, TransportCommand::get_edl(), render_engine, and EDL::synchronize_params().

Referenced by MWindow::sync_parameters().

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void PlaybackEngine::interrupt_playback

(

int

wait_tracking = 0

)

Definition at line 180 of file playbackengine.C.

References RenderEngine::interrupt_playback(), Condition::lock(), pause_lock, render_engine, tracking_done, and Condition::unlock().

Referenced by New::create_new_project(), VWindowSlider::handle_event(), CWindowSlider::handle_event(), PlayTransport::handle_transport(), MWindow::load_filenames(), VWindowEditing::next_label(), VWindowEditing::prev_label(), MWindow::redo_entry(), MWindow::sync_parameters(), MWindow::undo_entry(), and ~PlaybackEngine().

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int PlaybackEngine::get_output_levels	(	double *	levels,
		long	position
	)

Definition at line 198 of file playbackengine.C.

References RenderEngine::do_audio, RenderEngine::get_output_levels(), and render_engine.

Referenced by VTracking::update_meters(), and Tracking::update_meters().

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int PlaybackEngine::get_module_levels	(	ArrayList< double > *	module_levels,
		long	position
	)

Definition at line 210 of file playbackengine.C.

References RenderEngine::do_audio, RenderEngine::get_module_levels(), and render_engine.

Referenced by Tracking::update_meters().

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void PlaybackEngine::init_cursor

(

)

[virtual]

Reimplemented in CPlayback, and VPlayback.

Definition at line 226 of file playbackengine.C.

Referenced by init_tracking(), and run().

void PlaybackEngine::stop_cursor

(

)

[virtual]

Reimplemented in CPlayback, and VPlayback.

Definition at line 230 of file playbackengine.C.

Referenced by run(), and stop_tracking().

int PlaybackEngine::brender_available

(

long

position

)

[virtual]

Reimplemented in CPlayback.

Definition at line 221 of file playbackengine.C.

Referenced by RenderEngine::brender_available().

void PlaybackEngine::init_tracking

(

)

[virtual]

Definition at line 235 of file playbackengine.C.

References command, init_cursor(), Condition::lock(), TransportCommand::playbackstart, TransportCommand::single_frame(), tracking_active, tracking_done, and tracking_position.

Referenced by run().

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void PlaybackEngine::stop_tracking

(

)

[virtual]

Definition at line 247 of file playbackengine.C.

References stop_cursor(), tracking_active, tracking_done, and Condition::unlock().

Referenced by RenderEngine::run().

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double PlaybackEngine::get_tracking_position

(

)

[virtual]

Definition at line 266 of file playbackengine.C.

References command, RenderEngine::do_video, Timer::get_difference(), TransportCommand::get_direction(), TransportCommand::get_edl(), TransportCommand::get_speed(), EDL::local_session, Mutex::lock(), LocalSession::loop_end, LocalSession::loop_playback, LocalSession::loop_start, render_engine, EDL::session, tracking_active, tracking_lock, tracking_position, tracking_timer, Mutex::unlock(), and EDLSession::video_every_frame.

Referenced by Tracking::get_tracking_position(), RenderEngine::get_tracking_position(), RenderEngine::run(), run(), and MWindow::toggle_label().

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void PlaybackEngine::update_transport	(	int	command,
		int	paused
	)			[virtual]

Definition at line 338 of file playbackengine.C.

void PlaybackEngine::update_tracking

(

double

position

)

Definition at line 254 of file playbackengine.C.

References Mutex::lock(), tracking_active, tracking_lock, tracking_position, tracking_timer, Mutex::unlock(), and Timer::update().

Referenced by VRender::run(), and ARender::run().

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ChannelDB * PlaybackEngine::get_channeldb

(

)

Definition at line 81 of file playbackengine.C.

References MWindow::channeldb_buz, MWindow::channeldb_v4l2jpeg, command, VideoOutConfig::driver, TransportCommand::get_edl(), mwindow, EDLSession::playback_config, EDL::session, and PlaybackConfig::vconfig.

Referenced by create_render_engine().

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void PlaybackEngine::run

(

)

[virtual]

Implements Thread.

Definition at line 345 of file playbackengine.C.

References arm_render_engine(), TransportCommand::command, TransportQue::command, command, TransportCommand::copy_from(), done, get_tracking_position(), init_cursor(), init_tracking(), TransportQue::input_lock, is_playing_back, last_command, Condition::lock(), TransportQue::output_lock, pause_lock, perform_change(), TransportCommand::playbackstart, que, TransportCommand::reset(), start_lock, start_render_engine(), STOP, stop_cursor(), Condition::unlock(), and wait_render_engine().

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Field Documentation

CICache* PlaybackEngine::audio_cache

Definition at line 64 of file playbackengine.h.

Referenced by create_cache(), RenderEngine::get_acache(), PlaybackEngine(), MWindow::remove_asset_from_caches(), MWindow::reset_caches(), and ~PlaybackEngine().

CICache * PlaybackEngine::video_cache

Definition at line 64 of file playbackengine.h.

Referenced by create_cache(), RenderEngine::get_vcache(), PlaybackEngine(), MWindow::remove_asset_from_caches(), MWindow::reset_caches(), and ~PlaybackEngine().

int PlaybackEngine::tracking_active

Definition at line 66 of file playbackengine.h.

Referenced by get_tracking_position(), init_tracking(), PlaybackEngine(), stop_tracking(), and update_tracking().

double PlaybackEngine::tracking_position

Definition at line 68 of file playbackengine.h.

Referenced by get_tracking_position(), VPlayback::init_cursor(), CPlayback::init_cursor(), init_tracking(), PlaybackEngine(), RenderEngine::run(), and update_tracking().

Timer PlaybackEngine::tracking_timer

Definition at line 71 of file playbackengine.h.

Referenced by get_tracking_position(), and update_tracking().

Mutex* PlaybackEngine::tracking_lock

Definition at line 73 of file playbackengine.h.

Referenced by get_tracking_position(), PlaybackEngine(), update_tracking(), and ~PlaybackEngine().

Condition* PlaybackEngine::tracking_done

Definition at line 75 of file playbackengine.h.

Referenced by init_tracking(), interrupt_playback(), PlaybackEngine(), stop_tracking(), and ~PlaybackEngine().

Condition* PlaybackEngine::pause_lock

Definition at line 77 of file playbackengine.h.

Referenced by interrupt_playback(), PlaybackEngine(), run(), and ~PlaybackEngine().

Condition* PlaybackEngine::start_lock

Definition at line 79 of file playbackengine.h.

Referenced by create_objects(), PlaybackEngine(), run(), and ~PlaybackEngine().

MWindow* PlaybackEngine::mwindow

Definition at line 81 of file playbackengine.h.

Referenced by CPlayback::brender_available(), create_cache(), create_objects(), create_render_engine(), get_channeldb(), CPlayback::init_cursor(), RenderEngine::RenderEngine(), and RenderEngine::update_framerate().

Canvas* PlaybackEngine::output

Definition at line 82 of file playbackengine.h.

Referenced by create_render_engine().

Preferences* PlaybackEngine::preferences

Definition at line 84 of file playbackengine.h.

Referenced by create_cache(), create_objects(), create_render_engine(), and ~PlaybackEngine().

TransportQue* PlaybackEngine::que

Definition at line 86 of file playbackengine.h.

Referenced by MWindow::add_audio_track_entry(), MWindow::add_video_track_entry(), PreferencesThread::apply_settings(), CWindowCanvas::button_press_event(), MWindow::clear_entry(), MWindow::concatenate_tracks(), New::create_new_project(), create_objects(), MWindow::crop_video(), CWindowCanvas::cursor_motion_event(), MWindow::cut(), MWindow::delete_track(), MWindow::delete_tracks(), PlayTransport::handle_transport(), MWindow::load_filenames(), MWindow::move_edits(), MWindow::move_effect(), MWindow::mute_selection(), MWindow::paste_silence(), MWindow::redo_entry(), run(), MWindow::sync_parameters(), MWindow::trim_selection(), MWindow::undo_entry(), CWindow::update(), VWindow::update_position(), CWindowMaskGUI::update_preview(), CWindowProjectorGUI::update_preview(), CWindowCameraGUI::update_preview(), MWindow::update_project(), and ~PlaybackEngine().

TransportCommand* PlaybackEngine::command

Definition at line 88 of file playbackengine.h.

Referenced by arm_render_engine(), create_objects(), create_render_engine(), get_channeldb(), get_tracking_position(), PlayTransport::handle_transport(), init_tracking(), perform_change(), RenderEngine::run(), run(), sync_parameters(), MWindow::sync_parameters(), wait_render_engine(), and ~PlaybackEngine().

int PlaybackEngine::last_command

Definition at line 90 of file playbackengine.h.

Referenced by PlaybackEngine(), and run().

int PlaybackEngine::done

Definition at line 91 of file playbackengine.h.

Referenced by create_objects(), run(), and ~PlaybackEngine().

int PlaybackEngine::do_cwindow

Definition at line 92 of file playbackengine.h.

RenderEngine* PlaybackEngine::render_engine

Definition at line 94 of file playbackengine.h.

Referenced by arm_render_engine(), create_render_engine(), delete_render_engine(), get_module_levels(), get_output_levels(), get_tracking_position(), interrupt_playback(), perform_change(), PlaybackEngine(), start_render_engine(), sync_parameters(), and wait_render_engine().

int PlaybackEngine::is_playing_back

Definition at line 97 of file playbackengine.h.

Referenced by TrackCanvas::cursor_motion_event(), PlaybackEngine(), RenderEngine::run(), run(), MWindow::sync_parameters(), and MWindow::toggle_label().

int PlaybackEngine::debug

Definition at line 100 of file playbackengine.h.

Referenced by PlaybackEngine().

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The documentation for this class was generated from the following files:

• hvirtual/cinelerra/playbackengine.h
• hvirtual/cinelerra/playbackengine.C