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Mixer: Rearrange so that each mixer strip runs as its own JACK client.

This commit is contained in:
Jonathan Moore Liles 2010-01-16 02:00:47 -06:00
parent 82e1c50b8f
commit a971175c8e
11 changed files with 77 additions and 104 deletions
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55
Mixer/Chain.C
View File

@ -79,7 +79,6 @@
std::vector <Module::Port> Chain::port;
std::list <Chain*> Chain::chain;
@ -126,6 +125,10 @@ Chain::set ( Log_Entry &e )
Chain::Chain ( ) : Fl_Group( 0, 0, 100, 100, "")
{
_engine = new Engine( &Chain::process, this );
engine()->init( "Non-Mixer" );
int X = 0;
int Y = 0;
int W = 100;
@ -192,8 +195,19 @@ Chain::Chain ( ) : Fl_Group( 0, 0, 100, 100, "")
Chain::~Chain ( )
{
DMESSAGE( "Destroying chain" );
chain.remove( this );
log_destroy();
/* if we leave this up to FLTK, it will happen after we've
already destroyed the engine */
modules_pack->clear();
controls_pack->clear();
delete _engine;
_engine = NULL;
}
@ -313,7 +327,7 @@ Chain::configure_ports ( void )
/* int old_outs = outs(); */
int nouts = 0;
engine->lock();
engine()->lock();
for ( int i = 0; i < modules(); ++i )
{
@ -333,18 +347,18 @@ Chain::configure_ports ( void )
DMESSAGE( "required_buffers = %i", req_buffers );
if ( port.size() < req_buffers )
if ( scratch_port.size() < req_buffers )
{
for ( unsigned int i = port.size(); i--; )
delete[] (sample_t*)port[i].buffer();
port.clear();
for ( unsigned int i = scratch_port.size(); i--; )
delete[] (sample_t*)scratch_port[i].buffer();
scratch_port.clear();
for ( unsigned int i = 0; i < req_buffers; ++i )
{
Module::Port p( NULL, Module::Port::OUTPUT, Module::Port::AUDIO );
p.connect_to( new sample_t[engine->nframes()] );
buffer_fill_with_silence( (sample_t*)p.buffer(), engine->nframes() );
port.push_back( p );
p.connect_to( new sample_t[engine()->nframes()] );
buffer_fill_with_silence( (sample_t*)p.buffer(), engine()->nframes() );
scratch_port.push_back( p );
}
}
@ -359,7 +373,7 @@ Chain::configure_ports ( void )
(*i)->build_process_queue();
}
engine->unlock();
engine()->unlock();
parent()->redraw();
}
@ -445,7 +459,7 @@ bool
Chain::insert ( Module *m, Module *n )
{
engine->lock();
engine()->lock();
if ( !m )
{
@ -505,13 +519,13 @@ Chain::insert ( Module *m, Module *n )
configure_ports();
engine->unlock();
engine()->unlock();
return true;
err:
engine->unlock();
engine()->unlock();
return false;
}
@ -520,11 +534,11 @@ err:
void
Chain::add_control ( Module *m )
{
engine->lock();
engine()->lock();
controls_pack->add( m );
engine->unlock();
engine()->unlock();
controls_pack->redraw();
}
@ -608,11 +622,11 @@ Chain::build_process_queue ( void )
Module *m = module( i );
for ( unsigned int j = 0; j < m->audio_input.size(); ++j )
{
m->audio_input[j].connect_to( &port[j] );
m->audio_input[j].connect_to( &scratch_port[j] );
}
for ( unsigned int j = 0; j < m->audio_output.size(); ++j )
{
m->audio_output[j].connect_to( &port[j] );
m->audio_output[j].connect_to( &scratch_port[j] );
}
m->handle_port_connection_change();
@ -730,6 +744,13 @@ Chain::strip ( Mixer_Strip * ms )
_strip = ms;
}
void
Chain::process ( nframes_t nframes, void *v )
{
((Chain*)v)->process( nframes );
}
void
Chain::process ( nframes_t nframes )
{

12
Mixer/Chain.H
View File

@ -32,6 +32,7 @@
class Mixer_Strip;
class Fl_Flowpack;
class Fl_Flip_Button;
class Engine;
class Chain : public Fl_Group, public Loggable {
@ -66,9 +67,14 @@ class Chain : public Fl_Group, public Loggable {
void build_process_queue ( void );
void add_to_process_queue ( Module *m );
static std::vector <Module::Port> port;
std::vector <Module::Port> scratch_port;
static std::list <Chain*> chain;
Engine *_engine;
static void process ( nframes_t, void * );
void process ( nframes_t );
protected:
void get ( Log_Entry &e ) const;
@ -119,9 +125,9 @@ public:
Fl_Callback * configure_outputs_callback ( void ) const { return _configure_outputs_callback; }
void process ( nframes_t );
void log_children ( void );
Engine *engine ( void ) const { return _engine; }
LOG_CREATE_FUNC( Chain );
};

12
Mixer/Controller_Module.C
View File

@ -164,19 +164,19 @@ Controller_Module::connect_to ( Port *p )
if( mode() == CV )
{
engine->lock();
{
chain()->engine()->lock();
char name[256];
snprintf( name, sizeof( name ), "%s-CV", p->name() );
JACK::Port po( engine->client(), JACK::Port::Input, chain()->name(), 0, name );
JACK::Port po( chain()->engine()->client(), JACK::Port::Input, chain()->name(), 0, name );
if ( po.valid() )
{
jack_input.push_back( po );
}
}
engine->unlock();
chain()->engine()->unlock();
}
Fl_Widget *w;
@ -302,7 +302,7 @@ Controller_Module::process ( void )
if ( mode() == CV )
{
f = *((float*)jack_input[0].buffer( engine->nframes() ));
f = *((float*)jack_input[0].buffer( chain()->engine()->nframes() ));
const Port *p = control_output[0].connected_port();

11
Mixer/Engine/Engine.C
View File

@ -30,8 +30,10 @@
Engine::Engine ( ) : _thread( "RT" )
Engine::Engine ( void (*process_callback)(nframes_t nframes, void *), void *user_data ) : _thread( "RT" )
{
_process_callback = process_callback;
_user_data = user_data;
_buffers_dropped = 0;
}
@ -120,12 +122,7 @@ Engine::process ( nframes_t nframes )
return 0;
}
/* handle chicken/egg problem */
if ( mixer )
/* this will initiate the process() call graph for the various
* number and types of tracks, which will in turn send data out
* the appropriate ports. */
mixer->process( nframes );
_process_callback(nframes, _user_data);
unlock();
}

7
Mixer/Engine/Engine.H
View File

@ -34,6 +34,9 @@ class Engine : public JACK::Client, public Mutex
int _buffers_dropped; /* buffers dropped because of locking */
/* int _buffers_dropped; /\* buffers dropped because of locking *\/ */
void ( * _process_callback ) ( nframes_t, void * );
void *_user_data;
void shutdown ( void );
int process ( nframes_t nframes );
int sync ( jack_transport_state_t state, jack_position_t *pos );
@ -56,11 +59,9 @@ private:
public:
Engine ( );
Engine ( void (*process_callback) (nframes_t, void *), void *user_data );
~Engine ( );
int dropped ( void ) const { return _buffers_dropped; }
};
extern Engine * engine;

4
Mixer/JACK_Module.C
View File

@ -86,7 +86,7 @@ JACK_Module::configure_inputs ( int n )
{
for ( int i = on; i < n; ++i )
{
JACK::Port po( engine->client(), JACK::Port::Output, chain()->name(), i );
JACK::Port po( chain()->engine()->client(), JACK::Port::Output, chain()->name(), i );
if ( po.valid() )
{
@ -120,7 +120,7 @@ JACK_Module::configure_outputs ( int n )
{
for ( int i = on; i < n; ++i )
{
JACK::Port po( engine->client(), JACK::Port::Input, chain()->name(), i );
JACK::Port po( chain()->engine()->client(), JACK::Port::Input, chain()->name(), i );
if ( po.valid() )
{

34
Mixer/Mixer.C
View File

@ -140,7 +140,7 @@ Mixer::Mixer ( int X, int Y, int W, int H, const char *L ) :
Mixer::~Mixer ( )
{
/* FIXME: teardown */
DMESSAGE( "Destroying mixer" );
}
void Mixer::resize ( int X, int Y, int W, int H )
@ -156,16 +156,9 @@ void Mixer::add ( Mixer_Strip *ms )
{
MESSAGE( "Add mixer strip \"%s\"", ms->name() );
engine->lock();
mixer_strips->add( ms );
// mixer_strips->insert( *ms, 0 );
engine->unlock();
scroll->redraw();
// redraw();
}
void
@ -180,13 +173,9 @@ Mixer::quit ( void )
void
Mixer::insert ( Mixer_Strip *ms, Mixer_Strip *before )
{
engine->lock();
mixer_strips->remove( ms );
mixer_strips->insert( *ms, before );
engine->unlock();
scroll->redraw();
}
void
@ -219,12 +208,8 @@ void Mixer::remove ( Mixer_Strip *ms )
{
MESSAGE( "Remove mixer strip \"%s\"", ms->name() );
engine->lock();
mixer_strips->remove( ms );
engine->unlock();
delete ms;
parent()->redraw();
@ -247,17 +232,6 @@ void Mixer::update ( void )
// redraw();
}
void
Mixer::process ( unsigned int nframes )
{
THREAD_ASSERT( RT );
for ( int i = mixer_strips->children(); i--; )
{
((Mixer_Strip*)mixer_strips->child( i ))->process( nframes );
}
}
/** retrun a pointer to the track named /name/, or NULL if no track is named /name/ */
Mixer_Strip *
Mixer::track_by_name ( const char *name )
@ -299,13 +273,7 @@ Mixer::snapshot ( void )
void
Mixer::new_strip ( void )
{
engine->lock();
add( new Mixer_Strip( get_unique_track_name( "Unnamed" ), 1 ) );
engine->unlock();
// scroll->size( mixer_strips->w(), scroll->h() );
}
bool

10
Mixer/Mixer_Strip.C
View File

@ -175,6 +175,7 @@ Mixer_Strip::Mixer_Strip() : Fl_Group( 0, 0, 120, 600 )
Mixer_Strip::~Mixer_Strip ( )
{
DMESSAGE( "Destroying mixer strip" );
log_destroy();
}
@ -274,15 +275,6 @@ Mixer_Strip::handle_module_added ( Module *m )
}
}
void
Mixer_Strip::process ( nframes_t nframes )
{
THREAD_ASSERT( RT );
_chain->process( nframes );
}
/* update GUI with values from RT thread */
void
Mixer_Strip::update ( void )

2
Mixer/Mixer_Strip.H
View File

@ -67,8 +67,6 @@ public:
LOG_CREATE_FUNC( Mixer_Strip );
void process ( unsigned int nframes );
static void configure_outputs ( Fl_Widget *o, void *v );
void configure_outputs ( void );

9
Mixer/Plugin_Module.C
View File

@ -38,6 +38,7 @@
#include <math.h>
#include "Engine/Engine.H"
#include "Chain.H"
@ -331,7 +332,7 @@ Plugin_Module::plugin_instances ( unsigned int n )
DMESSAGE( "Instantiating plugin..." );
if ( ! (h = _idata->descriptor->instantiate( _idata->descriptor, engine->sample_rate() ) ) )
if ( ! (h = _idata->descriptor->instantiate( _idata->descriptor, chain()->engine()->sample_rate() ) ) )
{
WARNING( "Failed to instantiate plugin" );
return false;
@ -457,7 +458,7 @@ Plugin_Module::load ( unsigned long id )
Min=_idata->descriptor->PortRangeHints[Port].LowerBound;
if (LADSPA_IS_HINT_SAMPLE_RATE(HintDesc))
{
Min*=engine->sample_rate();
Min*=chain()->engine()->sample_rate();
}
}
if (LADSPA_IS_HINT_BOUNDED_ABOVE(HintDesc))
@ -465,7 +466,7 @@ Plugin_Module::load ( unsigned long id )
Max=_idata->descriptor->PortRangeHints[Port].UpperBound;
if (LADSPA_IS_HINT_SAMPLE_RATE(HintDesc))
{
Max*=engine->sample_rate();
Max*=chain()->engine()->sample_rate();
}
}
@ -533,7 +534,7 @@ Plugin_Module::load ( unsigned long id )
}
}
if (LADSPA_IS_HINT_SAMPLE_RATE(HintDesc)) {
Default *= engine->sample_rate();
Default *= chain()->engine()->sample_rate();
}
if (LADSPA_IS_HINT_INTEGER(HintDesc)) {
if ( p.hints.ranged &&

15
Mixer/main.C
View File

@ -31,12 +31,10 @@
#include "DPM.H"
#include "Mixer.H"
#include "Engine/Engine.H"
#include "util/Thread.H"
#include "util/debug.h"
#include "Project.H"
Engine *engine;
Mixer *mixer;
Fl_Single_Window *main_window;
@ -98,12 +96,6 @@ main ( int argc, char **argv )
/* Fl::foreground( 0xFF, 0xFF, 0xFF ); */
/* Fl::background( 0x10, 0x10, 0x10 ); */
MESSAGE( "Initializing JACK" );
engine = new Engine();
engine->init( "Non-Mixer" );
{
Fl_Single_Window *o = main_window = new Fl_Single_Window( 1024, 768, "Mixer" );
{
@ -117,8 +109,6 @@ main ( int argc, char **argv )
}
{
engine->lock();
if ( argc > 1 )
{
/* char name[1024]; */
@ -137,13 +127,12 @@ main ( int argc, char **argv )
{
WARNING( "Running without a project--nothing will be saved." );
}
engine->unlock();
}
Fl::run();
delete engine;
delete main_window;
main_window = NULL;
MESSAGE( "Your fun is over" );