void
generate_midi (void)
{
if ((Denemo.project->movement->smf == NULL) || (Denemo.project->movement->smfsync != Denemo.project->movement->changecount))
{
exportmidi (NULL, Denemo.project->movement);
}
if (Denemo.project->movement->smf == NULL)
{
g_critical ("Loading SMF failed.");
}
}
gboolean
open_source_audio (gchar * filename)
{
SF_INFO sfinfo;
DenemoRecording *temp;
sfinfo.format = 0;
delete_recording();
if (filename)
{
gpointer sndfile = sf_open (filename, SFM_READ, &sfinfo);
if (sndfile)
{
temp = (DenemoRecording *) g_malloc (sizeof (DenemoRecording));
temp->type = DENEMO_RECORDING_AUDIO;
temp->sndfile = sndfile;
temp->filename = g_strdup (filename);
temp->samplerate = sfinfo.samplerate;
temp->channels = sfinfo.channels;
temp->nframes = (int) sf_seek (temp->sndfile, -1, SEEK_END);
g_info ("sndfile: %s sample rate is %d channels %d containing %d \n", sf_strerror (temp->sndfile), sfinfo.samplerate, sfinfo.channels, temp->nframes);
temp->volume = 1.0;
g_static_mutex_lock (&smfmutex);
Denemo.project->movement->recording = temp;
g_static_mutex_unlock (&smfmutex);
update_leadin_widget (-1.0);
if (sfinfo.channels != 2)
warningdialog (_("Audio is not stereo - expect bad things!"));
if (sfinfo.samplerate != 44100)
warningdialog (_("Audio does not have 44100 sample rate: this could be bad"));
//FIXME here generate a click track if the score is empty
if (Denemo.project->movement->smfsync != Denemo.project->movement->changecount)
{
exportmidi (NULL, Denemo.project->movement); //generate a timebase
}
generate_note_onsets ();
draw_score_area();
}
}
Denemo.project->movement->recording ? gtk_widget_show (Denemo.audio_vol_control) : gtk_widget_hide (Denemo.audio_vol_control);
return (Denemo.project->movement->recording != NULL);
}
/**
* Mouse motion callback
*
*/
gint
scorearea_motion_notify (GtkWidget * widget, GdkEventButton * event)
{
DenemoProject *gui = Denemo.project;
if (gui == NULL || gui->movement == NULL)
return FALSE;
if (Denemo.scorearea == NULL)
return FALSE;
gint allocated_height = get_widget_height (Denemo.scorearea);
gint line_height = allocated_height * gui->movement->system_height;
if(dragging_outside)
{
gint incrx, incry;
incrx=incry=0;
if(((gint)((last_event_x - event->x_root)/gui->movement->zoom)) != 0)
{
incrx = -(last_event_x - event->x_root)/gui->movement->zoom;
last_event_x = event->x_root;
}
if( ((gint)((last_event_y - event->y_root)/gui->movement->zoom)) != 0)
{
incry = -(last_event_y - event->y_root)/gui->movement->zoom;
last_event_y = event->y_root;
}
if((dragging_outside==DRAG_DIRECTION_RIGHT) && (incrx > 1)
|| ((dragging_outside==DRAG_DIRECTION_LEFT) && (incrx < -1))
|| ((dragging_outside==DRAG_DIRECTION_UP) && (incry < 0))
|| ((dragging_outside==DRAG_DIRECTION_DOWN) && (incry > 0)))
extend_selection(dragging_outside);
return TRUE;
}
if (event->y < 0)
event->y = 0.0;
gint line_num = ((int) event->y) / line_height;
if (last_directive && (GDK_SHIFT_MASK & event->state) && (GDK_CONTROL_MASK & event->state))
{
gint incrx, incry;
incrx=incry=0;
if(((gint)((last_event_x - event->x_root)/gui->movement->zoom)) != 0)
{
incrx = (last_event_x - event->x_root)/gui->movement->zoom;
last_event_x = event->x_root;
}
if( ((gint)((last_event_y - event->y_root)/gui->movement->zoom)) != 0)
{
incry = (last_event_y - event->y_root)/gui->movement->zoom;
last_event_y = event->y_root;
}
if(last_directive->graphic)
{
last_directive->gx -= incrx;
last_directive->gy -= incry;
}
else
{
last_directive->tx -= incrx;
last_directive->ty -= incry;
}
draw_score_area();
return TRUE;
}
if(gui->movement->recording && dragging_audio)
{
if(gui->movement->recording->type == DENEMO_RECORDING_MIDI)
{
#if 0
//This is moving only the NoteOn, so it could be moved later than the note off, and indeed later than a later note in the stream
//- quite a bit more work needed to drag MIDI to correct the timing.
smf_event_t *midievent;
GList *marked_onset = gui->movement->marked_onset;
if(marked_onset)
{
midievent = ((DenemoRecordedNote *)marked_onset->data)->event;
gint shift = 2500*(event->x_root - last_event_x)/gui->movement->zoom;
g_debug (" %f (%f %f)",shift/(double)gui->movement->recording->samplerate,
midievent->time_seconds,
((DenemoRecordedNote *)marked_onset->data)->timing/(double)gui->movement->recording->samplerate) ;
((DenemoRecordedNote *)marked_onset->data)->timing += shift;
midievent->time_seconds += shift/(double)gui->movement->recording->samplerate;
}
#endif
g_warning("No drag for MIDI yet");
return TRUE;
}
gui->movement->recording->leadin -= 500*(event->x_root - last_event_x)/gui->movement->zoom;//g_debug("%d %d => %d\n", (int)(10*last_event_x), (int)(10*event->x_root), (int)(10*last_event_x) - (int)(10*event->x_root));
last_event_x = event->x_root;
update_leadin_widget ( gui->movement->recording->leadin/(double)gui->movement->recording->samplerate);
gtk_widget_queue_draw(Denemo.scorearea);
return TRUE;
}
if(gui->movement->recording && dragging_tempo)
{
gdouble change = (event->x_root - last_event_x)/gui->movement->zoom;
last_event_x = event->x_root;
struct placement_info pi;
get_placement_from_coordinates (&pi, event->x, 0, gui->lefts[line_num], gui->rights[line_num], gui->scales[line_num]);
change /= pi.measure_number;
update_tempo_widget ( change);
set_tempo ();
score_status (Denemo.project, TRUE);
exportmidi (NULL, gui->movement);
gtk_widget_queue_draw(Denemo.scorearea);
return TRUE;
}
#define DENEMO_MINIMUM_SYSTEM_HEIGHT (0.01)
if (dragging_separator)
{
gui->movement->system_height = event->y / get_widget_height (Denemo.scorearea);
if (gui->movement->system_height < DENEMO_MINIMUM_SYSTEM_HEIGHT)
gui->movement->system_height = DENEMO_MINIMUM_SYSTEM_HEIGHT;
if (gui->movement->system_height > 1.0)
gui->movement->system_height = 1.0;
scorearea_configure_event (Denemo.scorearea, NULL);
draw_score_area();
return TRUE;
}
if (line_height - ((int) event->y - 8) % line_height < 12)
gdk_window_set_cursor (gtk_widget_get_window (Denemo.window), gdk_cursor_new (GDK_SB_V_DOUBLE_ARROW));
else
gdk_window_set_cursor (gtk_widget_get_window (Denemo.window), gdk_cursor_new (GDK_LEFT_PTR)); //FIXME? does this take time/hog memory
transform_coords (&event->x, &event->y);
//g_debug("Marked %d\n", gui->movement->markstaffnum);
if (gui->lefts[line_num] == 0)
return TRUE;
if (lh_down || (selecting && gui->movement->markstaffnum))
{
struct placement_info pi;
pi.the_staff = NULL;
if (event->y < 0)
get_placement_from_coordinates (&pi, event->x, 0, gui->lefts[line_num], gui->rights[line_num], gui->scales[line_num]);
else
get_placement_from_coordinates (&pi, event->x, event->y, gui->lefts[line_num], gui->rights[line_num], gui->scales[line_num]);
if (pi.the_staff == NULL)
return TRUE; //could not place the cursor
if (pi.the_measure != NULL)
{ /*don't place cursor in a place that is not there */
change_staff (gui->movement, pi.staff_number, pi.the_staff);
gui->movement->currentmeasurenum = pi.measure_number;
gui->movement->currentmeasure = pi.the_measure;
gui->movement->currentobject = pi.the_obj;
gui->movement->cursor_x = pi.cursor_x;
gui->movement->cursor_appending = (gui->movement->cursor_x == (gint) (g_list_length ((objnode *) ((DenemoMeasure*)gui->movement->currentmeasure->data)->objects)));
set_cursor_y_from_click (gui, event->y);
if (lh_down & !selecting)
{
if (gui->movement->markstaffnum)
set_point (NULL, NULL);
else
set_mark (NULL, NULL);
selecting = TRUE;
}
calcmarkboundaries (gui->movement);
if (event->state & (GDK_BUTTON1_MASK | GDK_BUTTON2_MASK | GDK_BUTTON3_MASK))
perform_command (event->state, GESTURE_MOVE, event->state & GDK_BUTTON1_MASK);
/* redraw to show new cursor position */
draw_score_area();
}
}
if (Denemo.project->midi_destination & MIDICONDUCT)
{
advance_time (0.01);
return TRUE;
}
return TRUE;
}