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/*******************************************************************************/
/* Copyright (C) 2008 Jonathan Moore Liles */
/* */
/* This program is free software; you can redistribute it and/or modify it */
/* under the terms of the GNU General Public License as published by the */
/* Free Software Foundation; either version 2 of the License, or (at your */
/* option) any later version. */
/* */
/* This program is distributed in the hope that it will be useful, but WITHOUT */
/* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or */
/* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for */
/* more details. */
/* */
/* You should have received a copy of the GNU General Public License along */
/* with This program; see the file COPYING. If not,write to the Free Software */
/* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
/*******************************************************************************/
#include "Track.H"
#include "Transport.H"
#include "Playback_DS.H"
#include "Record_DS.H"
#include "Engine.H"
#include "Port.H"
#include "../FL/Fl_Sometimes_Input.H"
#include <FL/fl_ask.H>
#include <FL/Fl_Color_Chooser.H>
// #include <FL/fl_draw.H>
#include <FL/Fl.H>
#include "Control_Sequence.H"
#include "Annotation_Sequence.H"
int Track::_soloing = 0;
const char *Track::capture_format = "Wav 24";
void
Track::cb_input_field ( Fl_Widget *w, void *v )
{
((Track*)v)->cb_input_field();
}
void
Track::cb_button ( Fl_Widget *w, void *v )
{
((Track*)v)->cb_button( w );
}
void
Track::cb_input_field ( void )
{
log_start();
name( name_field->value() );
log_end();
}
void
Track::cb_button ( Fl_Widget *w )
{
if ( w == record_button )
{
}
if ( w == mute_button )
{
}
if ( w == solo_button )
{
if ( solo_button->value() )
++_soloing;
else
--_soloing;
}
else
if ( w == take_menu )
{
int v = take_menu->value();
switch ( v )
{
case 0: /* show all takes */
show_all_takes( take_menu->menu()[ v ].value() );
return;
case 1: /* new */
sequence( (Audio_Sequence*)sequence()->clone_empty() );
return;
}
const char *s = take_menu->menu()[ v ].text;
for ( int i = takes->children(); i--; )
{
Audio_Sequence *t = (Audio_Sequence*)takes->child( i );
if ( ! strcmp( s, t->name() ) )
{
sequence( t );
redraw();
break;
}
}
}
}
void
Track::init ( void )
{
_capture = NULL;
_capture_af = NULL;
_sequence = NULL;
_name = NULL;
_selected = false;
_show_all_takes = false;
_size = 1;
record_ds = NULL;
playback_ds = NULL;
labeltype( FL_NO_LABEL );
Fl_Group::size( timeline->w(), height() );
Track *o = this;
o->box( FL_THIN_UP_BOX );
{
Fl_Group *o = new Fl_Group( 0, 0, 149, 70 );
o->color( ( Fl_Color ) 53 );
{
Fl_Input *o = name_field = new Fl_Sometimes_Input( 2, 2, 144, 24 );
o->color( FL_BACKGROUND_COLOR );
o->labeltype( FL_NO_LABEL );
o->labelcolor( FL_GRAY0 );
o->textcolor( FL_FOREGROUND_COLOR );
o->callback( cb_input_field, (void*)this );
}
{
Fl_Group *o = controls = new Fl_Group( 2, 28, 149, 24 );
{
Fl_Button *o = record_button =
new Fl_Button( 6, 28, 26, 24, "@circle" );
o->type( 1 );
o->box( FL_THIN_UP_BOX );
o->color( FL_LIGHT1 );
o->selection_color( FL_RED );
o->labelsize( 8 );
o->callback( cb_button, this );
}
{
Fl_Button *o = mute_button =
new Fl_Button( 35, 28, 26, 24, "m" );
o->type( 1 );
o->box( FL_THIN_UP_BOX );
o->color( FL_LIGHT1 );
o->labelsize( 11 );
o->callback( cb_button, this );
}
{
Fl_Button *o = solo_button =
new Fl_Button( 66, 28, 26, 24, "s" );
o->type( 1 );
o->box( FL_THIN_UP_BOX );
o->color( FL_LIGHT1 );
o->labelsize( 11 );
o->callback( cb_button, this );
}
{
Fl_Menu_Button *o = take_menu =
new Fl_Menu_Button( 97, 28, 47, 24, "T" );
o->box( FL_THIN_UP_BOX );
o->color( FL_LIGHT1 );
o->align( FL_ALIGN_LEFT | FL_ALIGN_INSIDE );
o->callback( cb_button, this );
o->add( "Show all takes", 0, 0, 0, FL_MENU_TOGGLE );
o->add( "New", 0, 0, 0, FL_MENU_DIVIDER );
}
o->end();
}
{
Fl_Box *o = new Fl_Box( 0, 72, 149, 38 );
o->box( FL_NO_BOX );
Fl_Group::current()->resizable( o );
}
o->size( Track::width(), h() );
o->end();
}
{
Fl_Pack *o = pack = new Fl_Pack( width(), 0, 1006, 115 );
o->labeltype( FL_NO_LABEL );
o->resize( x() + width(), y(), w() - width(), h() );
resizable( o );
{
// Fl_Pack *o = annotation = new Fl_Pack( width(), 0, pack->w(), 0 );
Fl_Pack *o = annotation = new Fl_Pack( width(), 0, pack->w(), 1 );
o->end();
}
{
Fl_Pack *o = control = new Fl_Pack( width(), 0, pack->w(), 0 );
o->end();
}
{
Fl_Pack *o = takes = new Fl_Pack( width(), 0, pack->w(), 0 );
o->end();
o->hide();
}
o->end();
}
end();
}
Track::Track ( const char *L, int channels ) :
Fl_Group ( 0, 0, 0, 0, 0 )
{
init();
if ( L )
name( L );
color( (Fl_Color)rand() );
configure_inputs( channels );
configure_outputs( channels );
log_create();
}
Track::~Track ( )
{
/* FIXME: why is this necessary? */
timeline->remove_track( this );
/* give up our ports */
configure_inputs( 0 );
configure_outputs( 0 );
/* controls too */
for ( int i = control_out.size(); i--; )
{
control_out.back()->shutdown();
delete control_out.back();
control_out.pop_back();
}
log_destroy();
if ( _name )
free( _name );
}
static int pack_visible( Fl_Pack *p )
{
int v = 0;
for ( int i = p->children(); i--; )
if ( p->child( i )->visible() )
v++;
return v;
}
/* adjust size of widget and children */
void
Track::resize ( void )
{
for ( int i = takes->children(); i--; )
takes->child( i )->size( w(), height() );
for ( int i = annotation->children(); i--; )
annotation->child( i )->size( w(), 24 );
for ( int i = control->children(); i--; )
control->child( i )->size( w(), height() );
/* FIXME: hack! */
if ( annotation->children() )
annotation->show();
else
annotation->hide();
if ( _show_all_takes )
{
takes->show();
Fl_Group::size( w(), height() * ( 1 + takes->children() + pack_visible( control ) ) );
}
else
{
takes->hide();
Fl_Group::size( w(), height() * ( 1 + pack_visible( control ) ) );
}
Fl_Group::size( w(), h() + ( ( 24 ) * pack_visible( annotation ) ) );
if ( sequence() )
sequence()->size( w(), height() );
if ( controls->y() + controls->h() > y() + h() )
controls->hide();
else
controls->show();
/* FIXME: why is this necessary? */
if ( parent() )
parent()->parent()->redraw();
}
void
Track::size ( int v )
{
if ( v < 0 || v > 3 )
return;
_size = v;
resize();
}
void
Track::add ( Audio_Sequence * t )
{
takes->insert( *t, 0 );
if ( ! t->name() )
{
char pat[20];
snprintf( pat, sizeof( pat ), "%d", takes->children() );
t->name( strdup( pat ) );
}
take_menu->add( t->name() );
t->labeltype( FL_ENGRAVED_LABEL );
}
void
Track::remove ( Audio_Sequence *t )
{
takes->remove( t );
resize();
// take_menu->remove( t->name() );
}
void
Track::remove ( Control_Sequence *t )
{
control->remove( t );
resize();
}
void
Track::sequence ( Audio_Sequence * t )
{
t->track( this );
if ( sequence() )
add( sequence() );
_sequence = t;
pack->insert( *t, 1 );
t->labeltype( FL_NO_LABEL );
resize();
}
void
Track::add ( Control_Sequence *t )
{
DMESSAGE( "adding control sequence" );
t->track( this );
control->add( t );
control_out.push_back( new Port( Port::Output, name(), control_out.size(), "cv" ) );
t->output( control_out.back() );
resize();
}
void
Track::add ( Annotation_Sequence *t )
{
DMESSAGE( "adding annotation sequence" );
t->track( this );
annotation->add( t );
resize();
}
/** add all widget on this track falling within the given rectangle to
the selection. */
void
Track::select ( int X, int Y, int W, int H,
bool include_control, bool merge_control )
{
Sequence *t = sequence();
if ( ! ( t->y() > Y + H || t->y() + t->h() < Y ) )
t->select_range( X, W );
else
include_control = true;
if ( include_control )
for ( int i = control->children(); i--; )
{
Control_Sequence *c = (Control_Sequence*)control->child( i );
if ( merge_control ||
( c->y() >= Y && c->y() + c->h() <= Y + H ) )
c->select_range( X, W );
}
}
void
Track::draw ( void )
{
if ( _selected )
{
Fl_Color c = color();
color( FL_RED );
Fl_Group::draw();
color( c );
}
else
Fl_Group::draw();
}
int
Track::handle ( int m )
{
switch ( m )
{
case FL_MOUSEWHEEL:
{
Logger log( this );
if ( ! Fl::event_shift() )
return 0;
int d = Fl::event_dy();
if ( d < 0 )
size( size() - 1 );
else
size( size() + 1 );
return 1;
}
case FL_PUSH:
{
Logger log( this );
int X = Fl::event_x();
int Y = Fl::event_y();
if ( Fl::event_button3() && X < Track::width() )
{
int c = output.size();
/* context menu */
Fl_Menu_Item menu[] =
{
{ "Type", 0, 0, 0, FL_SUBMENU },
{ "Mono", 0, 0, 0, FL_MENU_RADIO | ( c == 1 ? FL_MENU_VALUE : 0 ) },
{ "Stereo", 0, 0, 0, FL_MENU_RADIO | ( c == 2 ? FL_MENU_VALUE : 0 ) },
{ "Quad", 0, 0, 0, FL_MENU_RADIO | ( c == 4 ? FL_MENU_VALUE : 0 ) },
{ "...", 0, 0, 0, FL_MENU_RADIO | ( c == 3 || c > 4 ? FL_MENU_VALUE : 0 ) },
{ 0 },
{ "Add Control" },
{ "Add Annotation" },
{ "Color" },
{ "Remove", 0, 0, 0, transport->rolling ? FL_MENU_INACTIVE : 0 },
{ 0 },
};
const Fl_Menu_Item *r = menu->popup( X, Y, "Track" );
if ( r && r > &menu[ 0 ] )
{
if ( r < &menu[ 4 ] )
{
int c = r - &menu[1];
int ca[] = { 1, 2, 4 };
configure_inputs( ca[ c ] );
configure_outputs( ca[ c ] );
}
else
{
if ( r == &menu[ 4 ] )
{
const char *s = fl_input( "How many channels?", "3" );
int c = atoi( s );
if ( c <= 0 || c > 10 )
fl_alert( "Invalid number of channels." );
else
{
configure_inputs( c );
configure_outputs( c );
}
}
else if ( r == &menu[ 6 ] )
{
new Control_Sequence( this );
}
else if ( r == &menu[ 7 ] )
{
add( new Annotation_Sequence( this ) );
}
else if ( r == &menu[ 8 ] )
{
unsigned char r, g, b;
Fl::get_color( color(), r, g, b );
if ( fl_color_chooser( "Track Color", r, g, b ) )
{
color( fl_rgb_color( r, g, b ) );
}
// color( fl_show_colormap( color() ) );
redraw();
}
else if ( r == &menu[ 9 ] )
{
int r = fl_choice( "Are you certain you want to remove track \"%s\"?", "Cancel", NULL, "Remove", name() );
if ( r == 2 )
{
timeline->remove_track( this );
/* FIXME: need to queue deletion. in a way that won't crash the playback. */
// delete this;
Fl::delete_widget( this );
}
}
}
}
return 1;
}
}
default:
return Fl_Group::handle( m );
}
return 0;
}
/**********/
/* Engine */
/**********/
void
Track::update_port_names ( void )
{
for ( unsigned int i = 0; i < output.size(); ++i )
output[ i ].name( name(), i );
for ( unsigned int i = 0; i < input.size(); ++i )
input[ i ].name( name(), i );
for ( unsigned int i = 0; i < control_out.size(); ++i )
control_out[ i ]->name( name(), i, "cv" );
/* /\* tell any attached control sequences to do the same *\/ */
/* for ( int i = control->children(); i-- ) */
/* ((Control_Sequence*)control->child( i ))->update_port_names(); */
}
bool
Track::configure_outputs ( int n )
{
int on = output.size();
if ( n == on )
return true;
// engine->lock();
if ( playback_ds )
{
Playback_DS *ds = playback_ds;
playback_ds = NULL;
ds->shutdown();
delete ds;
}
if ( n > on )
{
for ( int i = on; i < n; ++i )
{
Port p( Port::Output, name(), i );
if ( p.valid() )
output.push_back( p );
else
WARNING( "could not create output port!" );
}
}
else
{
for ( int i = on; i > n; --i )
{
output.back().shutdown();
output.pop_back();
}
}
if ( output.size() )
playback_ds = new Playback_DS( this, engine->frame_rate(), engine->nframes(), output.size() );
// engine->unlock();
/* FIXME: bogus */
return true;
}
bool
Track::configure_inputs ( int n )
{
int on = input.size();
if ( n == on )
return true;
// engine->lock();
if ( record_ds )
{
Record_DS *ds = record_ds;
record_ds = NULL;
ds->shutdown();
delete ds;
}
if ( n > on )
{
for ( int i = on; i < n; ++i )
{
Port p( Port::Input, name(), i );
if ( p.valid() )
input.push_back( p );
else
WARNING( "could not create input port!" );
}
}
else
{
for ( int i = on; i > n; --i )
{
input.back().shutdown();
input.pop_back();
}
}
if ( input.size() )
record_ds = new Record_DS( this, engine->frame_rate(), engine->nframes(), input.size() );
// engine->unlock();
/* FIXME: bogus */
return true;
}
/* THREAD: RT */
nframes_t
Track::process ( nframes_t nframes )
{
if ( ! transport->rolling )
{
for ( int i = output.size(); i--; )
output[ i ].silence( nframes );
for ( int i = input.size(); i--; )
input[ i ].silence( nframes );
/* FIXME: is this really the right thing to do for control ports? */
for ( int i = control_out.size(); i--; )
control_out[ i ]->silence( nframes );
return 0;
}
for ( int i = control->children(); i--; )
((Control_Sequence*)control->child( i ))->process( nframes );
if ( playback_ds )
{
record_ds->process( nframes );
return playback_ds->process( nframes );
}
else
return 0;
}
/* THREAD: RT */
void
Track::seek ( nframes_t frame )
{
if ( playback_ds )
return playback_ds->seek( frame );
}
/* FIXME: what about theading issues with this region/audiofile being
accessible from the UI thread? Need locking? */
#include "Audio_Region.H"
#include <time.h>
/** very cheap UUID generator... */
unsigned long long
uuid ( void )
{
time_t t = time( NULL );
return (unsigned long long) t;
}
/* THREAD: IO */
/** create capture region and prepare to record */
void
Track::record ( nframes_t frame )
{
assert( ! _capture );
assert( ! _capture_af );
char pat[256];
snprintf( pat, sizeof( pat ), "%s-%llu", name(), uuid() );
_capture_af = Audio_File_SF::create( pat, engine->sample_rate(), input.size(), Track::capture_format );
if ( ! _capture_af )
{
/* ERROR */
}
/* open it again for reading in the GUI thread */
Audio_File *af = Audio_File::from_file( _capture_af->name() );
_capture = new Audio_Region( af, sequence(), frame );
_capture->prepare();
}
/* THREAD: IO */
/** write a block to the (already opened) capture file */
void
Track::write ( sample_t *buf, nframes_t nframes )
{
nframes_t l = _capture_af->write( buf, nframes );
_capture->write( l );
}
#include <stdio.h>
/* THREAD: IO */
void
Track::stop ( nframes_t frame )
{
_capture->finalize( frame );
_capture = NULL;
_capture_af->finalize();
delete _capture_af;
_capture_af = NULL;
}
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