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/* playback.c
* Midi playback for a specific portion of
* a score
*
* (c) 2000-2005 Adam Tee
*/
#include <denemo/denemo.h>
#include "exportlilypond.h"
#include "exportmidi.h"
#include "staffops.h"
#include "scoreops.h"
#include "dialogs.h"
#include "prefops.h"
#include "utils.h"
#include "external.h"
#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <sys/types.h>
#include <signal.h>
#ifdef HAVE_SYS_WAIT_H
#include <sys/wait.h>
#endif
#ifdef HAVE_WAIT_H
#include <wait.h>
#endif
#include <errno.h>
#include "jackmidi.h"
#include "fluid.h"
static gint timeout_id = 0, kill_id=0;
static gdouble duration = 0.0;
gchar *
get_midi_audio_pointer(gchar *audio_device)
{
if (!strcmp(audio_device, Fluidsynth))
return Fluidsynth;
else if (!strcmp(audio_device, Jack))
return Jack;
else if (!strcmp(audio_device, Portaudio))
return Portaudio;
else if (!strcmp(audio_device, None))
return None;
#ifdef _HAVE_FLUIDSYNTH_
return Fluidsynth;
#else
return None;
#endif
}
void set_tempo (void) {
gdouble tempo = Denemo.gui->si->master_tempo;
if(tempo<0.001 || (tempo>0.999 && tempo<1.001))
return;
Denemo.gui->si->tempo *= tempo;
Denemo.gui->si->start_time /= tempo;
Denemo.gui->si->end_time /= tempo;
Denemo.gui->si->master_tempo = 1.0;
score_status (Denemo.gui, TRUE);
exportmidi(NULL, Denemo.gui->si, 0, 0);
}
/* start playing the current movement as MIDI
* the name ext_... is anachronistic, Fluidsynth or Jack are normally used.
*/
void
ext_midi_playback (GtkAction * action, DenemoScriptParam *param) {
GET_1PARAM(action, param, callback);
set_tempo();
if (Denemo.prefs.midi_audio_output == Jack)
jack_midi_play(callback);
else if (Denemo.prefs.midi_audio_output == Fluidsynth)
fluid_midi_play(callback);
else infodialog("Nothing chosen to play back on:\nLook in Edit->Change Preferences->MIDI/Audio->MIDI/Audio Output\nRestart Denemo after setting this to Internal Synth.");
}
void stop_midi_playback (GtkAction * action, gpointer param) {
if (Denemo.prefs.midi_audio_output == Jack){
jack_midi_playback_stop();
jack_kill_timer();
}
else if (Denemo.prefs.midi_audio_output == Fluidsynth){
fluid_midi_stop();
}
gtk_widget_queue_draw (Denemo.scorearea);//update playhead on screen
}
void
playback_panic()
{
if (Denemo.prefs.midi_audio_output == Jack)
jack_midi_panic();
else if (Denemo.prefs.midi_audio_output == Fluidsynth)
fluid_midi_panic();
}
/**
* Dialog function used to select measure range
* This is similar to printrangedialog in print.c
*/
void
PlaybackRangeDialog(){
DenemoGUI *gui = Denemo.gui;
GtkWidget *dialog;
GtkWidget *label;
GtkWidget *hbox;
GtkWidget *from_time;
GtkWidget *to_time;
dialog = gtk_dialog_new_with_buttons (_("Play range in seconds:"),
GTK_WINDOW (Denemo.window),
(GtkDialogFlags) (GTK_DIALOG_MODAL |
GTK_DIALOG_DESTROY_WITH_PARENT),
GTK_STOCK_OK, GTK_RESPONSE_ACCEPT,
GTK_STOCK_CANCEL, GTK_RESPONSE_REJECT, NULL);
hbox = gtk_hbox_new (FALSE, 8);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), hbox, TRUE, TRUE, 0);
//TODO calculate hightest number in seconds
gdouble max_end_time = 7200.0;
//g_list_length (((DenemoStaff *) (gui->si->thescore->data))->measures);
label = gtk_label_new (_("Play from time"));
gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
from_time =
gtk_spin_button_new_with_range (0.0, max_end_time, 0.1);
gtk_box_pack_start (GTK_BOX (hbox), from_time, TRUE, TRUE, 0);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (from_time),
(gdouble) gui->si->start_time);
label = gtk_label_new (_("to"));
gtk_box_pack_start (GTK_BOX (hbox), label, TRUE, TRUE, 0);
to_time =
gtk_spin_button_new_with_range (0.0, max_end_time, 0.1);
gtk_box_pack_start (GTK_BOX (hbox), to_time, TRUE, TRUE, 0);
gtk_box_pack_start (GTK_BOX (GTK_DIALOG (dialog)->vbox), to_time, TRUE, TRUE, 0);
gtk_spin_button_set_value (GTK_SPIN_BUTTON (to_time),
(gdouble) gui->si->end_time);
gtk_widget_show (hbox);
gtk_window_set_position (GTK_WINDOW (dialog), GTK_WIN_POS_MOUSE);
gtk_window_set_modal (GTK_WINDOW (dialog), TRUE);
gtk_widget_show_all (dialog);
if (gtk_dialog_run (GTK_DIALOG (dialog)) == GTK_RESPONSE_ACCEPT)
{
gui->si->start_time =
gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON (from_time));
gui->si->end_time =
gtk_spin_button_get_value_as_float (GTK_SPIN_BUTTON (to_time));
//gtk_widget_destroy (dialog);
}
gtk_widget_destroy (dialog);
}
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