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Add some comments.

git-svn-id: svn://localhost/ardour2/trunk@1837 d708f5d6-7413-0410-9779-e7cbd77b26cf
This commit is contained in:
Carl Hetherington 2007-05-11 15:06:12 +00:00
parent 7f3c381a3a
commit 90f3128d73
15 changed files with 214 additions and 70 deletions

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@ -17,6 +17,8 @@
*/
/* Note: public Editor methods are documented in public_editor.h */
#include <unistd.h>
#include <cstdlib>
#include <cmath>

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@ -348,7 +348,8 @@ class Editor : public PublicEditor
void on_realize();
private:
/// The session that we are editing, or 0
ARDOUR::Session *session;
bool constructed;
@ -1048,6 +1049,8 @@ class Editor : public PublicEditor
Editing::SnapType snap_type;
Editing::SnapMode snap_mode;
/// Snap threshold in pixels
double snap_threshold;
void handle_gui_changes (const string &, void *);
@ -1206,8 +1209,11 @@ class Editor : public PublicEditor
/* display control */
bool _show_measures;
/// true to show waveforms, otherwise false
bool _show_waveforms;
/// true if the editor should follow the playhead, otherwise false
bool _follow_playhead;
/// true if waveforms should be shown while recording audio tracks, otherwise false
bool _show_waveforms_recording;
ARDOUR::TempoMap::BBTPointList *current_bbt_points;

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@ -17,6 +17,8 @@
*/
/* Note: public Editor methods are documented in public_editor.h */
#include <unistd.h>
#include <climits>

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@ -17,6 +17,8 @@
*/
/* Note: public Editor methods are documented in public_editor.h */
#include <unistd.h>
#include <cstdlib>

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@ -22,11 +22,13 @@
PublicEditor* PublicEditor::_instance = 0;
/** PublicEditor constructor */
PublicEditor::PublicEditor ()
: Window (Gtk::WINDOW_TOPLEVEL)
{
}
/** PublicEditor destructor */
PublicEditor::~PublicEditor()
{
}

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@ -73,32 +73,98 @@ class ImageFrameView;
class ImageFrameTimeAxis;
class MarkerView;
/// Representation of the interface of the Editor class
/** This class contains just the public interface of the Editor class,
* in order to decouple it from the private implementation, so that callers
* of PublicEditor need not be recompiled if private methods or member variables
* change.
*/
class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway {
public:
PublicEditor();
virtual ~PublicEditor();
PublicEditor ();
virtual ~PublicEditor ();
typedef list<TimeAxisView *> TrackViewList;
static PublicEditor& instance() { return *_instance; }
/** @return Singleton PublicEditor instance */
static PublicEditor& instance () { return *_instance; }
virtual void connect_to_session (ARDOUR::Session*) = 0;
virtual ARDOUR::Session* current_session() const = 0;
virtual void set_snap_to (Editing::SnapType) = 0;
virtual void set_snap_mode (Editing::SnapMode) = 0;
virtual void set_snap_threshold (double) = 0;
/** Attach this editor to a Session.
* @param s Session to connect to.
*/
virtual void connect_to_session (ARDOUR::Session* s) = 0;
/** @return The Session that we are editing, or 0 */
virtual ARDOUR::Session* current_session () const = 0;
/** Set the snap type.
* @param t Snap type (defined in editing_syms.h)
*/
virtual void set_snap_to (Editing::SnapType t) = 0;
/** Set the snap mode.
* @param m Snap mode (defined in editing_syms.h)
*/
virtual void set_snap_mode (Editing::SnapMode m) = 0;
/** Set the snap threshold.
* @param t Snap threshold in `units'.
*/
virtual void set_snap_threshold (double t) = 0;
/** Undo some transactions.
* @param n Number of transactions to undo.
*/
virtual void undo (uint32_t n = 1) = 0;
/** Redo some transactions.
* @param n Number of transaction to redo.
*/
virtual void redo (uint32_t n = 1) = 0;
virtual void set_mouse_mode (Editing::MouseMode, bool force = false) = 0;
/** Set the mouse mode (gain, object, range, timefx etc.)
* @param m Mouse mode (defined in editing_syms.h)
* @param force Perform the effects of the change even if no change is required
* (ie even if the current mouse mode is equal to \ref m)
*/
virtual void set_mouse_mode (Editing::MouseMode m, bool force = false) = 0;
/** Step the mouse mode onto the next or previous one.
* @param next true to move to the next, otherwise move to the previous
*/
virtual void step_mouse_mode (bool next) = 0;
/** @return The current mouse mode (gain, object, range, timefx etc.)
* (defined in editing_syms.h)
*/
virtual Editing::MouseMode current_mouse_mode () const = 0;
virtual void consider_auditioning (boost::shared_ptr<ARDOUR::Region>) = 0;
/** Possibly start the audition of a region. If \ref r is 0, or not an AudioRegion
* any current audition is cancelled. If we are currently auditioning \ref r,
* the audition will be cancelled. Otherwise an audition of \ref r will start.
* \param r Region to consider.
*/
virtual void consider_auditioning (boost::shared_ptr<ARDOUR::Region> r) = 0;
/** Set whether waveforms should be shown for audio tracks.
* @param yn true to show waveforms, otherwise false.
*/
virtual void set_show_waveforms (bool yn) = 0;
virtual bool show_waveforms() const = 0;
/** @return true if waveforms are being shown, otherwise false */
virtual bool show_waveforms () const = 0;
/** Set whether waveforms should be shown while recording audio tracks.
* @param yn true to show waveforms, otherwise false.
*/
virtual void set_show_waveforms_recording (bool yn) = 0;
virtual bool show_waveforms_recording() const = 0;
/** @return true if waveforms are being shown while recording, otherwise false */
virtual bool show_waveforms_recording () const = 0;
virtual void new_region_from_selection () = 0;
virtual void separate_region_from_selection () = 0;
virtual void toggle_playback (bool with_abort) = 0;
virtual void transition_to_rolling (bool fwd) = 0;
virtual nframes_t unit_to_frame (double unit) = 0;
@ -106,21 +172,29 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway
virtual double frame_to_unit (double frame) = 0;
virtual nframes_t pixel_to_frame (double pixel) = 0;
virtual gulong frame_to_pixel (nframes_t frame) = 0;
virtual Selection& get_selection() const = 0;
virtual Selection& get_cut_buffer() const = 0;
virtual Selection& get_selection () const = 0;
virtual Selection& get_cut_buffer () const = 0;
virtual bool extend_selection_to_track (TimeAxisView&) = 0;
virtual void play_selection () = 0;
virtual void set_show_measures (bool yn) = 0;
virtual bool show_measures () const = 0;
virtual void export_session() = 0;
virtual void export_selection() = 0;
virtual void export_range_markers() = 0;
virtual void register_actions() = 0;
/** Open an export dialogue for the whole session */
virtual void export_session () = 0;
/** Open an export dialogue for currently selected time range, if there
* is one; if not an error is displayed to the user.
*/
virtual void export_selection () = 0;
/** Open an export dialogue for marked ranges */
virtual void export_range_markers () = 0;
virtual void register_actions () = 0;
virtual void add_toplevel_controls (Gtk::Container&) = 0;
virtual void set_zoom_focus (Editing::ZoomFocus) = 0;
virtual void set_zoom_focus (Editing::ZoomFocus) = 0;
virtual Editing::ZoomFocus get_zoom_focus () const = 0;
virtual gdouble get_current_zoom () = 0;
virtual PlaylistSelector& playlist_selector() const = 0;
virtual gdouble get_current_zoom () = 0;
virtual PlaylistSelector& playlist_selector () const = 0;
virtual void route_name_changed (TimeAxisView *) = 0;
virtual void clear_playlist (boost::shared_ptr<ARDOUR::Playlist>) = 0;
virtual void new_playlists () = 0;
@ -131,15 +205,25 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway
virtual void set_selected_mixer_strip (TimeAxisView&) = 0;
virtual void hide_track_in_display (TimeAxisView& tv) = 0;
virtual void show_track_in_display (TimeAxisView& tv) = 0;
/** Set whether the editor should follow the playhead.
* @param yn true to follow playhead, otherwise false.
*/
virtual void set_follow_playhead (bool yn) = 0;
/** Toggle whether the editor is following the playhead */
virtual void toggle_follow_playhead () = 0;
virtual bool follow_playhead() const = 0;
virtual bool dragging_playhead() const = 0;
/** @return true if the editor is following the playhead */
virtual bool follow_playhead () const = 0;
/** @return true if the playhead is currently being dragged, otherwise false */
virtual bool dragging_playhead () const = 0;
virtual void ensure_float (Gtk::Window&) = 0;
virtual void show_window () = 0;
virtual TrackViewList* get_valid_views (TimeAxisView*, ARDOUR::RouteGroup* grp = 0) = 0;
virtual nframes_t leftmost_position() const = 0;
virtual nframes_t current_page_frames() const = 0;
virtual nframes_t leftmost_position () const = 0;
virtual nframes_t current_page_frames () const = 0;
virtual void temporal_zoom_step (bool coarser) = 0;
virtual void scroll_tracks_down_line () = 0;
virtual void scroll_tracks_up_line () = 0;
@ -147,9 +231,9 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway
virtual void prepare_for_cleanup () = 0;
virtual void reset_x_origin (nframes_t frame) = 0;
virtual void remove_last_capture () = 0;
virtual void maximise_editing_space() = 0;
virtual void restore_editing_space() = 0;
virtual nframes_t edit_cursor_position(bool sync) = 0;
virtual void maximise_editing_space () = 0;
virtual void restore_editing_space () = 0;
virtual nframes_t edit_cursor_position (bool sync) = 0;
#ifdef WITH_CMT
virtual void add_imageframe_time_axis(const std::string & track_name, void*) = 0;
@ -167,26 +251,26 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway
Glib::RefPtr<Gtk::ActionGroup> editor_actions;
virtual void reset_focus() = 0;
virtual void reset_focus () = 0;
virtual bool canvas_control_point_event (GdkEvent* event,ArdourCanvas::Item*, ControlPoint*) = 0;
virtual bool canvas_line_event (GdkEvent* event,ArdourCanvas::Item*, AutomationLine*) = 0;
virtual bool canvas_selection_rect_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*) = 0;
virtual bool canvas_selection_start_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*) = 0;
virtual bool canvas_selection_end_trim_event (GdkEvent* event,ArdourCanvas::Item*, SelectionRect*) = 0;
virtual bool canvas_crossfade_view_event (GdkEvent* event,ArdourCanvas::Item*, CrossfadeView*) = 0;
virtual bool canvas_fade_in_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*) = 0;
virtual bool canvas_fade_in_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*) = 0;
virtual bool canvas_fade_out_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*) = 0;
virtual bool canvas_fade_out_handle_event (GdkEvent* event,ArdourCanvas::Item*, AudioRegionView*) = 0;
virtual bool canvas_region_view_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*) = 0;
virtual bool canvas_region_view_name_highlight_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*) = 0;
virtual bool canvas_region_view_name_event (GdkEvent* event,ArdourCanvas::Item*, RegionView*) = 0;
virtual bool canvas_stream_view_event (GdkEvent* event,ArdourCanvas::Item*, RouteTimeAxisView*) = 0;
virtual bool canvas_marker_event (GdkEvent* event,ArdourCanvas::Item*, Marker*) = 0;
virtual bool canvas_zoom_rect_event (GdkEvent* event,ArdourCanvas::Item*) = 0;
virtual bool canvas_tempo_marker_event (GdkEvent* event,ArdourCanvas::Item*, TempoMarker*) = 0;
virtual bool canvas_meter_marker_event (GdkEvent* event,ArdourCanvas::Item*, MeterMarker*) = 0;
virtual bool canvas_control_point_event (GdkEvent* event, ArdourCanvas::Item*, ControlPoint*) = 0;
virtual bool canvas_line_event (GdkEvent* event, ArdourCanvas::Item*, AutomationLine*) = 0;
virtual bool canvas_selection_rect_event (GdkEvent* event, ArdourCanvas::Item*, SelectionRect*) = 0;
virtual bool canvas_selection_start_trim_event (GdkEvent* event, ArdourCanvas::Item*, SelectionRect*) = 0;
virtual bool canvas_selection_end_trim_event (GdkEvent* event, ArdourCanvas::Item*, SelectionRect*) = 0;
virtual bool canvas_crossfade_view_event (GdkEvent* event, ArdourCanvas::Item*, CrossfadeView*) = 0;
virtual bool canvas_fade_in_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*) = 0;
virtual bool canvas_fade_in_handle_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*) = 0;
virtual bool canvas_fade_out_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*) = 0;
virtual bool canvas_fade_out_handle_event (GdkEvent* event, ArdourCanvas::Item*, AudioRegionView*) = 0;
virtual bool canvas_region_view_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
virtual bool canvas_region_view_name_highlight_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
virtual bool canvas_region_view_name_event (GdkEvent* event, ArdourCanvas::Item*, RegionView*) = 0;
virtual bool canvas_stream_view_event (GdkEvent* event, ArdourCanvas::Item*, RouteTimeAxisView*) = 0;
virtual bool canvas_marker_event (GdkEvent* event, ArdourCanvas::Item*, Marker*) = 0;
virtual bool canvas_zoom_rect_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
virtual bool canvas_tempo_marker_event (GdkEvent* event, ArdourCanvas::Item*, TempoMarker*) = 0;
virtual bool canvas_meter_marker_event (GdkEvent* event, ArdourCanvas::Item*, MeterMarker*) = 0;
virtual bool canvas_automation_track_event(GdkEvent* event, ArdourCanvas::Item*, AutomationTimeAxisView*) = 0;
virtual bool canvas_tempo_bar_event (GdkEvent* event, ArdourCanvas::Item*) = 0;
@ -206,6 +290,7 @@ class PublicEditor : public Gtk::Window, public PBD::StatefulThingWithGoingAway
virtual bool canvas_markerview_end_handle_event(GdkEvent* event, ArdourCanvas::Item*,MarkerView*) = 0;
#endif
/// Singleton instance, set up by Editor::Editor()
static PublicEditor* _instance;
friend class PluginUIWindow;

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@ -67,6 +67,7 @@ operator== (const Selection& a, const Selection& b)
a.redirects == b.redirects;
}
/** Clear everything from the Selection */
void
Selection::clear ()
{

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@ -192,7 +192,8 @@ class AudioDiskstream : public Diskstream
boost::shared_ptr<AudioFileSource> fades_source;
boost::shared_ptr<AudioFileSource> write_source;
/// the Port that our audio data comes from
Port *source;
Sample *current_capture_buffer;
Sample *current_playback_buffer;

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@ -194,24 +194,27 @@ class AudioEngine : public sigc::trackable
std::string make_port_name_non_relative (std::string);
private:
ARDOUR::Session *session;
jack_client_t *_jack;
std::string jack_client_name;
Glib::Mutex _process_lock;
Glib::Cond session_removed;
bool session_remove_pending;
bool _running;
bool _has_run;
nframes_t _buffer_size;
nframes_t _frame_rate;
nframes_t monitor_check_interval;
nframes_t last_monitor_check;
nframes_t _processed_frames;
bool _freewheeling;
bool _freewheel_thread_registered;
sigc::slot<int,nframes_t> freewheel_action;
bool reconnect_on_halt;
int _usecs_per_cycle;
ARDOUR::Session *session;
jack_client_t *_jack;
std::string jack_client_name;
Glib::Mutex _process_lock;
Glib::Cond session_removed;
bool session_remove_pending;
bool _running;
bool _has_run;
nframes_t _buffer_size;
nframes_t _frame_rate;
/// number of frames between each check for changes in monitor input
nframes_t monitor_check_interval;
/// time of the last monitor check in frames
nframes_t last_monitor_check;
/// the number of frames processed since start() was called
nframes_t _processed_frames;
bool _freewheeling;
bool _freewheel_thread_registered;
sigc::slot<int,nframes_t> freewheel_action;
bool reconnect_on_halt;
int _usecs_per_cycle;
SerializedRCUManager<Ports> ports;

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@ -762,6 +762,9 @@ class Session : public PBD::StatefulDestructible
/* History (for editors, mixers, UIs etc.) */
/** Undo some transactions.
* @param n Number of transactions to undo.
*/
void undo (uint32_t n) {
_history.undo (n);
}
@ -983,6 +986,7 @@ class Session : public PBD::StatefulDestructible
AudioEngine &_engine;
mutable gint processing_prohibited;
/// the function called when the main JACK process callback happens
process_function_type process_function;
process_function_type last_process_function;
bool waiting_for_sync_offset;

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@ -551,7 +551,7 @@ AudioDiskstream::process (nframes_t transport_frame, nframes_t nframes, nframes_
for (chan = c->begin(); chan != c->end(); ++chan) {
(*chan)->current_capture_buffer = 0;
(*chan)->current_playback_buffer = 0;
(*chan)->current_playback_buffer = 0;
}
if (nominally_recording || (_session.get_record_enabled() && Config->get_punch_in())) {

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@ -255,6 +255,11 @@ AudioEngine::_graph_order_callback (void *arg)
return 0;
}
/** Wrapped which is called by JACK as its process callback. It is just
* here to get us back into C++ land by calling AudioEngine::process_callback()
* @param nframes Number of frames passed by JACK.
* @param arg User argument passed by JACK, which will be the AudioEngine*.
*/
int
AudioEngine::_process_callback (nframes_t nframes, void *arg)
{
@ -267,11 +272,17 @@ AudioEngine::_freewheel_callback (int onoff, void *arg)
static_cast<AudioEngine*>(arg)->_freewheeling = onoff;
}
/** Method called by JACK (via _process_callback) which says that there
* is work to be done.
* @param nframes Number of frames to process.
*/
int
AudioEngine::process_callback (nframes_t nframes)
{
// CycleTimer ct ("AudioEngine::process");
Glib::Mutex::Lock tm (_process_lock, Glib::TRY_LOCK);
/// The number of frames that will have been processed when we've finished
nframes_t next_processed_frames;
/* handle wrap around of total frames counter */
@ -281,13 +292,15 @@ AudioEngine::process_callback (nframes_t nframes)
} else {
next_processed_frames = _processed_frames + nframes;
}
if (!tm.locked() || session == 0) {
/* return having done nothing */
_processed_frames = next_processed_frames;
return 0;
}
if (session_remove_pending) {
/* perform the actual session removal */
session = 0;
session_remove_pending = false;
session_removed.signal();
@ -296,6 +309,7 @@ AudioEngine::process_callback (nframes_t nframes)
}
if (_freewheeling) {
/* emit the Freewheel signal and stop freewheeling in the event of trouble */
if (Freewheel (nframes)) {
cerr << "Freewheeling returned non-zero!\n";
_freewheeling = false;

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@ -44,6 +44,9 @@ using namespace ARDOUR;
using namespace PBD;
using namespace std;
/** Called by the audio engine when there is work to be done with JACK.
* @param nframes Number of frames to process.
*/
void
Session::process (nframes_t nframes)
{
@ -255,7 +258,7 @@ Session::commit_diskstreams (nframes_t nframes, bool &needs_butler)
}
}
/** Process callback used when the auditioner is not active */
void
Session::process_with_events (nframes_t nframes)
{
@ -354,6 +357,8 @@ Session::process_with_events (nframes_t nframes)
offset = 0;
/* yes folks, here it is, the actual loop where we really truly
process some audio */
while (nframes) {
this_nframes = nframes; /* real (jack) time relative */
@ -804,6 +809,9 @@ Session::process_without_events (nframes_t nframes)
summon_butler ();
}
/** Process callback used when the auditioner is active.
* @param nframes number of frames to process.
*/
void
Session::process_audition (nframes_t nframes)
{
@ -840,6 +848,7 @@ Session::process_audition (nframes_t nframes)
}
if (!auditioner->active()) {
/* auditioner no longer active, so go back to the normal process callback */
process_function = &Session::process_with_events;
}
}

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@ -718,6 +718,10 @@ Session::locate (nframes_t target_frame, bool with_roll, bool with_flush, bool w
_send_smpte_update = true;
}
/** Set the transport speed.
* @param speed New speed
* @param abort
*/
void
Session::set_transport_speed (float speed, bool abort)
{
@ -733,6 +737,8 @@ Session::set_transport_speed (float speed, bool abort)
if (transport_rolling() && speed == 0.0) {
/* we are rolling and we want to stop */
if (Config->get_monitoring_model() == HardwareMonitoring)
{
boost::shared_ptr<DiskstreamList> dsl = diskstreams.reader();
@ -753,6 +759,8 @@ Session::set_transport_speed (float speed, bool abort)
} else if (transport_stopped() && speed == 1.0) {
/* we are stopped and we want to start rolling at speed 1 */
if (!get_record_enabled() && Config->get_stop_at_session_end() && _transport_frame >= current_end_frame()) {
return;
}
@ -825,6 +833,8 @@ Session::set_transport_speed (float speed, bool abort)
}
}
/** Stop the transport. */
void
Session::stop_transport (bool abort)
{

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@ -174,6 +174,9 @@ UndoHistory::remove (UndoTransaction* const ut)
Changed (); /* EMIT SIGNAL */
}
/** Undo some transactions.
* @param n Number of transactions to undo.
*/
void
UndoHistory::undo (unsigned int n)
{