Refactor common components of Timeline and Mixer into nonlib/

FL/makefile.inc

@@ -1,5 +1,7 @@
 # -*- mode: makefile; -*-
 
+all: FL
+
 FL_SRCS := $(wildcard FL/*.C FL/*.fl)
 
 FL_SRCS:=$(FL_SRCS:.fl=.C)

Makefile

@@ -25,7 +25,7 @@
 
 VERSION := 0.5.0
 
-all: .config FL Timeline
+all: .config
 
 .config: configure
 	@ ./configure
@@ -58,10 +58,10 @@ CFLAGS+=-DVERSION=\"$(VERSION)\" \
 	-DDOCUMENT_PATH=\"$(DOCUMENT_PATH)\" \
 	-DPIXMAP_PATH=\"$(PIXMAP_PATH)\"
 
-CXXFLAGS += $(SNDFILE_CFLAGS) $(LASH_CFLAGS) $(FLTK_CFLAGS)
+CXXFLAGS += $(SNDFILE_CFLAGS) $(LASH_CFLAGS) $(FLTK_CFLAGS) $(JACK_CFLAGS)
 CXXFLAGS := $(CFLAGS) $(CXXFLAGS)
 
-INCLUDES := -I. -Iutil -IFL
+INCLUDES := -I. -Iutil -IFL -Inonlib
 
 include scripts/colors
 
@@ -81,10 +81,11 @@ endif
 DONE := $(BOLD)$(GREEN)done$(SGR0)
 
 include FL/makefile.inc
+include nonlib/makefile.inc
 include Timeline/makefile.inc
 
-SRCS:=$(Timeline_SRCS) $(FL_SRCS)
+SRCS:=$(FL_SRCS) $(nonlib_SRCS) $(Timeline_SRCS)
-OBJS:=$(FL_OBJS) $(Timeline_OBJS)
+OBJS:=$(FL_OBJS) $(nonlib_OBJS) $(Timeline_OBJS)
 
 # FIXME: isn't there a better way?
 $(OBJS): .config Makefile
@@ -120,7 +121,7 @@ clean_deps:
 
 .PHONEY: clean config depend clean_deps
 
-clean: FL_clean Timeline_clean
+clean: FL_clean nonlib_clean Timeline_clean
 
 dist:
 	git archive --prefix=non-daw-$(VERSION)/ v$(VERSION) | bzip2 > non-daw-$(VERSION).tar.bz2

Timeline/Control_Sequence.C

@@ -21,7 +21,6 @@
 
 #include "Control_Sequence.H"
 #include "Track.H"
-#include "Engine/Port.H"
 
 #include "Engine/Engine.H" // for lock()
 
@@ -42,7 +41,7 @@ Control_Sequence::Control_Sequence ( Track *track ) : Sequence( 0 )
 
     _track = track;
 
-   _output = new Port( Port::Output, track->name(), track->ncontrols(), "cv" );
+    _output = new JACK::Port( engine->client(), JACK::Port::Output, track->name(), track->ncontrols(), "cv" );
 
     if ( track )
         track->add( this );
@@ -111,7 +110,7 @@ Control_Sequence::set ( Log_Entry &e )
 
             assert( t );
 
-            _output = new Port( Port::Output, t->name(), t->ncontrols(), "cv" );
+            _output = new JACK::Port( engine->client(), JACK::Port::Output, t->name(), t->ncontrols(), "cv" );
 
             t->add( this );
         }

Timeline/Control_Sequence.H

@@ -23,8 +23,9 @@
 #include "Sequence.H"
 #include "Control_Point.H"
 
+#include "JACK/Port.H"
 
-#include "Engine/Port.H"
+// class JACK::Port;
 
 class Control_Sequence : public Sequence
 {
@@ -38,7 +39,7 @@ public:
 
 private:
 
-    Port *_output;
+    JACK::Port *_output;
 
     bool _highlighted;
 
@@ -77,7 +78,7 @@ public:
     Fl_Cursor cursor ( void ) const { return FL_CURSOR_CROSS; }
 
     /* Engine */
-    void output ( Port *p ) { _output = p; }
+    void output ( JACK::Port *p ) { _output = p; }
     nframes_t play ( sample_t *buf, nframes_t frame, nframes_t nframes );
     nframes_t process ( nframes_t nframes );
 

Timeline/Engine/Engine.C

@@ -23,10 +23,7 @@
 #include "../Timeline.H" // for process()
 #include "../Sequence_Widget.H" // for BBT and position info.
 
-#define APP_NAME "Non-DAW" // FIXME: wrong place for this!
+/* This is the home of the JACK process callback */
-
-/* This is the home of the JACK process callback (does this *really*
-   need to be a class?) */
 
 #include "const.h"
 #include "util/debug.h"
@@ -36,71 +33,11 @@
 
 Engine::Engine ( ) : _thread( "RT" )
 {
-    _freewheeling = false;
-    _zombified = false;
-    _client = NULL;
     _buffers_dropped = 0;
-    _xruns = 0;
 }
 
 Engine::~Engine ( )
 {
-    jack_deactivate( _client );
-    jack_client_close( _client );
-}
-
-
-
-/*******************/
-/* Static Wrappers */
-/*******************/
-
-int
-Engine::process ( nframes_t nframes, void *arg )
-{
-    return ((Engine*)arg)->process( nframes );
-}
-
-int
-Engine::sync ( jack_transport_state_t state, jack_position_t *pos, void *arg )
-{
-    return ((Engine*)arg)->sync( state, pos );
-}
-
-int
-Engine::xrun ( void *arg )
-{
-    return ((Engine*)arg)->xrun();
-}
-
-void
-Engine::timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos, void *arg )
-{
-    ((Engine*)arg)->timebase( state, nframes, pos, new_pos );
-}
-
-void
-Engine::freewheel ( int starting, void *arg )
-{
-    ((Engine*)arg)->freewheel( starting );
-}
-
-int
-Engine::buffer_size ( nframes_t nframes, void *arg )
-{
-    return ((Engine*)arg)->buffer_size( nframes );
-}
-
-void
-Engine::thread_init ( void *arg )
-{
-    ((Engine*)arg)->thread_init();
-}
-
-void
-Engine::shutdown ( void *arg )
-{
-    ((Engine*)arg)->shutdown();
 }
 
 
@@ -114,8 +51,6 @@ Engine::shutdown ( void *arg )
 int
 Engine::xrun ( void )
 {
-    ++_xruns;
-
     return 0;
 }
 
@@ -123,8 +58,6 @@ Engine::xrun ( void )
 void
 Engine::freewheel ( bool starting )
 {
-    _freewheeling = starting;
-
     if ( starting )
         DMESSAGE( "entering freewheeling mode" );
     else
@@ -252,14 +185,6 @@ Engine::process ( nframes_t nframes )
     return 0;
 }
 
-/* THREAD: RT */
-/** enter or leave freehweeling mode */
-void
-Engine::freewheeling ( bool yes )
-{
-    if ( jack_set_freewheel( _client, yes ) )
-        WARNING( "Unkown error while setting freewheeling mode" );
-}
 
 /* TRHEAD: RT */
 void
@@ -272,43 +197,6 @@ Engine::thread_init ( void )
 void
 Engine::shutdown ( void )
 {
-    _zombified = true;
-}
-
-
-/** Connect to JACK */
-const char *
-Engine::init ( void )
-{
-    if (( _client = jack_client_open ( APP_NAME, (jack_options_t)0, NULL )) == 0 )
-        return NULL;
-
-#define set_callback( name ) jack_set_ ## name ## _callback( _client, &Engine:: name , this )
-
-    set_callback( thread_init );
-    set_callback( process );
-    set_callback( xrun );
-    set_callback( freewheel );
-    set_callback( buffer_size );
-
-    /* FIXME: should we wait to register this until after the project
-     has been loaded (and we have disk threads running)? */
-    set_callback( sync );
-
-    jack_set_timebase_callback( _client, 0, &Engine::timebase, this );
-
-    jack_on_shutdown( _client, &Engine::shutdown, this );
-
-    jack_activate( _client );
-
-    _sample_rate = frame_rate();
-
-    MESSAGE( "Jack sample rate is %lu", (unsigned long)_sample_rate );
-
-    timeline->_sample_rate = frame_rate();
-
-    /* we don't need to create any ports until tracks are created */
-    return jack_get_client_name( _client );
 }
 
 void

Timeline/Engine/Engine.H

@@ -21,41 +21,26 @@
 
 #include "util/Mutex.H"
 
-#include <jack/jack.h>
-
-typedef jack_nframes_t nframes_t;
-
 class Port;
 
+#include "JACK/Client.H"
+
 #include "Thread.H"
 
-class Engine : public Mutex
+class Engine : public JACK::Client, public Mutex
 {
-    jack_client_t *_client;
-
     Thread _thread;                                            /* only used for thread checking */
 
     int _buffers_dropped;                                       /* buffers dropped because of locking */
-    nframes_t _sample_rate;
+/*     int _buffers_dropped;                                       /\* buffers dropped because of locking *\/ */
-    volatile int _xruns;
-    volatile bool _freewheeling;
-    volatile bool _zombified;
 
-    static void shutdown ( void *arg );
     void shutdown ( void );
-    static int process ( nframes_t nframes, void *arg );
     int process ( nframes_t nframes );
-    static int sync ( jack_transport_state_t state, jack_position_t *pos, void *arg );
     int sync ( jack_transport_state_t state, jack_position_t *pos );
-    static int xrun ( void *arg );
     int xrun ( void );
-    static void timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos, void *arg );
     void timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos );
-    static void freewheel ( int yes, void *arg );
     void freewheel ( bool yes );
-    static int buffer_size ( nframes_t nframes, void *arg );
     int buffer_size ( nframes_t nframes );
-    static void thread_init ( void *arg );
     void thread_init ( void );
 
     Engine ( const Engine &rhs );
@@ -67,34 +52,20 @@ private:
 
     friend class Port;
     friend class Transport;
-    jack_client_t * client ( void ) { return _client; }
-
 
 public:
 
     Engine ( );
     ~Engine ( );
 
-    const char * init ( void );
-
-    nframes_t nframes ( void ) const { return jack_get_buffer_size( _client ); }
-    float frame_rate ( void ) const { return jack_get_sample_rate( _client ); }
-    nframes_t sample_rate ( void ) const { return _sample_rate; }
-    int xruns ( void ) const { return _xruns; };
     int dropped ( void ) const { return _buffers_dropped; }
-    bool freewheeling ( void ) const { return _freewheeling; }
-    void freewheeling ( bool yes );
-    bool zombified ( void ) const { return _zombified; }
 
     nframes_t system_latency ( void ) const { return nframes(); }
 
-    float cpu_load ( void ) const { return jack_cpu_load( _client ); }
-
     float frames_to_milliseconds ( nframes_t frames )
         {
             return ( frames * 1000 ) / (float)frame_rate();
         }
 };
 
-
 extern Engine * engine;

Timeline/Engine/Playback_DS.C

@@ -25,7 +25,7 @@
 #include "../Audio_Sequence.H"
 #include "../Track.H"
 
-#include "Port.H"
+// #include "Port.H"
 #include "Playback_DS.H"
 #include "Engine.H"
 #include "dsp.h"

Timeline/Engine/Port.C

@@ -1,169 +0,0 @@
-
-/*******************************************************************************/
-/* 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.  */
-/*******************************************************************************/
-
-/* Wrapper for a JACK audio port */
-
-#include "Port.H"
-
-#include <string.h>
-
-#include "Engine.H"
-
-#include <stdio.h> // sprintf
-
-static const char *name_for_port ( Port::type_e dir, const char *base, int n, const char *type );
-
-
-
-int
-Port::max_name ( void )
-{
-    return jack_port_name_size() - jack_client_name_size() - 6;
-}
-
-/* nframes is the number of frames to buffer */
-Port::Port ( jack_port_t *port )
-{
-    _port = port;
-    _name = jack_port_name( _port );
-}
-
-Port::Port ( const char *name, type_e dir )
-{
-    activate( name, dir );
-}
-
-Port::Port ( type_e dir, const char *base, int n, const char *type )
-{
-    const char *name = name_for_port( dir, base, n, type );
-
-    activate( name, dir );
-}
-
-Port::~Port ( )
-{
-/*    if ( _port ) */
-/*         jack_port_unregister( engine->client(), _port ); */
-
-}
-
-
-
-static const char *
-name_for_port ( Port::type_e dir, const char *base, int n, const char *type )
-{
-    static char pname[ 512 ];
-
-    const char *dir_s = dir == Port::Output ? "out" : "in";
-
-    strncpy( pname, base, Port::max_name() );
-    pname[ Port::max_name() - 1 ] = '\0';
-
-    int l = strlen( pname );
-
-    if ( type )
-        snprintf( pname + l, sizeof( pname ) - l, "/%s-%s-%d", type, dir_s, n + 1 );
-    else
-        snprintf( pname + l, sizeof( pname ) - l, "/%s-%d", dir_s, n + 1 );
-
-    return pname;
-}
-
-void
-Port::activate ( const char *name, type_e dir )
-{
-    _name = name;
-    _port = jack_port_register( engine->client(), _name,
-                                JACK_DEFAULT_AUDIO_TYPE,
-                                dir == Output ? JackPortIsOutput : JackPortIsInput,
-                                0 );
-}
-
-/** returns the sum of latency of all ports between this one and a
-    terminal port. */
-/* FIMXE: how does JACK know that input A of client Foo connects to
-output Z of the same client in order to draw the line through Z to a
-terminal port? And, if this determination cannot be made, what use is
-this function? */
-
-nframes_t
-Port::total_latency ( void ) const
-{
-    return jack_port_get_total_latency( engine->client(), _port );
-}
-
-/** returns the number of frames of latency assigned to this port */
-nframes_t
-Port::latency ( void ) const
-{
-    return jack_port_get_latency( _port );
-}
-
-/** inform JACK that port has /frames/ frames of latency */
-void
-Port::latency ( nframes_t frames )
-{
-    jack_port_set_latency( _port, frames );
-}
-
-void
-Port::shutdown ( void )
-{
-   if ( _port )
-        jack_port_unregister( engine->client(), _port );
-}
-
-/** rename port */
-bool
-Port::name ( const char *name )
-{
-    _name = name;
-
-    return 0 == jack_port_set_name( _port, name );
-}
-
-bool
-Port::name ( const char *base, int n, const char *type )
-{
-    return name( name_for_port( this->type(), base, n, type ) );
-}
-
-void
-Port::write ( sample_t *buf, nframes_t nframes )
-{
-    memcpy( buffer( nframes ), buf, nframes * sizeof( sample_t ) );
-}
-
-void
-Port::read ( sample_t *buf, nframes_t nframes )
-{
-    memcpy( buf, buffer( nframes ), nframes * sizeof( sample_t ) );
-}
-
-void *
-Port::buffer ( nframes_t nframes )
-{
-    return jack_port_get_buffer( _port, nframes );
-}
-
-void
-Port::silence ( nframes_t nframes )
-{
-    memset( buffer( nframes ), 0, nframes * sizeof( sample_t ) );
-}

Timeline/Engine/Record_DS.C

@@ -24,7 +24,7 @@
 #include "../Audio_Sequence.H"
 #include "../Track.H"
 
-#include "Port.H"
+// #include "Port.H"
 #include "Record_DS.H"
 #include "Engine.H"
 #include "dsp.h"

Timeline/Engine/Track.C

@@ -77,7 +77,7 @@ Track::configure_outputs ( int n )
     {
         for ( int i = on; i < n; ++i )
         {
-            Port p( Port::Output, name(), i );
+            JACK::Port p( engine->client(), JACK::Port::Output, name(), i );
 
             if ( p.valid() )
                 output.push_back( p );
@@ -124,7 +124,7 @@ Track::configure_inputs ( int n )
     {
         for ( int i = on; i < n; ++i )
         {
-            Port p( Port::Input, name(), i );
+            JACK::Port p( engine->client(), JACK::Port::Input, name(), i );
 
             if ( p.valid() )
                 input.push_back( p );

Timeline/LASH_Client.C

@@ -1,129 +0,0 @@
-
-/*******************************************************************************/
-/* 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.  */
-/*******************************************************************************/
-
-/* Handler based wrapper for LASH */
-
-#include "LASH_Client.H"
-
-#include "const.h"
-#include "util/debug.h"
-
-
-
-LASH_Client::LASH_Client ( )
-{
-    _void = 0;
-}
-
-LASH_Client::~LASH_Client ( )
-{
-    /* TODO: anything? */
-}
-
-
-
-#ifdef HAVE_LASH
-
-#include <lash/lash.h>
-
-#define _client (static_cast<lash_client_t*>(_void))
-
-bool
-LASH_Client::init ( const char *jack_name, const char *long_name, int *argc, char ***argv )
-{
-    if ( ! ( _void = lash_init( lash_extract_args( argc, argv ), jack_name,
-                                  LASH_Config_File, LASH_PROTOCOL( 2, 0 ) ) ) )
-        return false;
-
-    /* register name */
-    lash_jack_client_name( _client, jack_name );
-
-    lash_event_t *e = lash_event_new_with_type( LASH_Client_Name );
-    lash_event_set_string( e, long_name );
-    lash_send_event( _client, e );
-
-    return true;
-}
-
-bool
-LASH_Client::enabled ( void )
-{
-    return lash_enabled( _client );
-}
-
-/** process any queued events */
-void
-LASH_Client::poll ( void )
-{
-    if ( ! _client )
-        return;
-
-    lash_event_t *e;
-
-    while ( ( e = lash_get_event( _client ) ) )
-    {
-        const char *name = lash_event_get_string( e );
-
-        switch ( lash_event_get_type( e )  )
-        {
-            case LASH_Save_File:
-                handle_save_file( name );
-
-                lash_send_event( _client, lash_event_new_with_type( LASH_Save_File ) );
-
-                break;
-            case LASH_Restore_File:
-                if ( ! handle_restore_file( name ) )
-                    /* FIXME: should we tell lash that we couldn't load the song? */;
-
-                lash_send_event( _client, lash_event_new_with_type( LASH_Restore_File ) );
-
-                break;
-            case LASH_Quit:
-                handle_quit();
-                break;
-            default:
-                WARNING( "unhandled LASH event" );
-                break;
-        }
-
-        lash_event_destroy( e );
-    }
-}
-
-#else
-
-bool
-LASH_Client::init ( const char *jack_name, const char *long_name, int *argc, char ***argv )
-{
-    return true;
-}
-
-bool
-LASH_Client::enabled ( void )
-{
-    return false;
-}
-
-void
-LASH_Client::poll ( void )
-{
-}
-
-#endif

Timeline/LASH_Engine.C

@@ -17,13 +17,13 @@
 /* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 /*******************************************************************************/
 
-/* Actual implementation of our side of the LASH protocol */
+/* Actual implementation of our side of the LASH_Engine protocol */
 
 /* NOTES: Since LASH doesn't provide us with the information we
  * need--when we need it--we just punt and only use LASH to save and
  * load the path to the *real* project data. */
 
-#include "LASH.H"
+#include "LASH_Engine.H"
 #include "Project.H"
 #include "TLE.H" // all this just for quit()
 
@@ -37,24 +37,24 @@ extern TLE *tle;
 const float lash_poll_interval = 0.2f;
 
 void
-LASH::timer_cb ( void *v )
+LASH_Engine::timer_cb ( void *v )
 {
-    ((LASH*)v)->poll();
+    ((LASH_Engine*)v)->poll();
-    Fl::repeat_timeout( lash_poll_interval, &LASH::timer_cb, v );
+    Fl::repeat_timeout( lash_poll_interval, &LASH_Engine::timer_cb, v );
 }
 
-LASH::LASH ( )
+LASH_Engine::LASH_Engine ( )
 {
-    Fl::add_timeout( lash_poll_interval, &LASH::timer_cb, this );
+    Fl::add_timeout( lash_poll_interval, &LASH_Engine::timer_cb, this );
 }
 
-LASH::~LASH ( )
+LASH_Engine::~LASH_Engine ( )
 {
-    Fl::remove_timeout( &LASH::timer_cb );
+    Fl::remove_timeout( &LASH_Engine::timer_cb );
 }
 
 bool
-LASH::handle_save_file ( const char *path )
+LASH_Engine::handle_save_file ( const char *path )
 {
     MESSAGE( "LASH wants us to save \"%s\"", path );
 
@@ -84,7 +84,7 @@ LASH::handle_save_file ( const char *path )
 }
 
 bool
-LASH::handle_restore_file ( const char *path )
+LASH_Engine::handle_restore_file ( const char *path )
 {
     MESSAGE( "LASH wants us to load \"%s\"", path );
 
@@ -112,7 +112,7 @@ LASH::handle_restore_file ( const char *path )
 }
 
 void
-LASH::handle_quit ( void )
+LASH_Engine::handle_quit ( void )
 {
     MESSAGE( "LASH wants us to quit" );
     tle->quit();

Timeline/LASH_Engine.H

@@ -19,17 +19,17 @@
 
 #pragma once
 
-#include "LASH_Client.H"
+#include "LASH/Client.H"
 
-class LASH : public LASH_Client
+class LASH_Engine : public LASH::Client
 {
 
     static void timer_cb ( void *v );
 
 public:
 
-    LASH ( );
+    LASH_Engine ( );
-    ~LASH ( );
+    ~LASH_Engine ( );
 
     bool handle_save_file ( const char *path );
     bool handle_restore_file ( const char *path );

Timeline/Project.C

@@ -45,9 +45,6 @@
 
 extern TLE *tle;
 
-/* FIXME: wrong place for this */
-#define APP_TITLE "Non-DAW"
-
 const int PROJECT_VERSION = 1;
 
 

Timeline/TLE.fl

@@ -24,7 +24,7 @@ comment {//
 
 decl {const float STATUS_UPDATE_FREQ = 0.5f;} {} 
 
-decl {\#include "LASH.H"} {} 
+decl {\#include "LASH_Engine.H"} {} 
 
 decl {\#include "Fl_Menu_Settings.H"} {} 
 
@@ -67,7 +67,7 @@ decl {extern char project_display_name[256];} {global
 decl {extern char *user_config_dir;} {global
 } 
 
-decl {extern LASH *lash;} {global
+decl {extern LASH_Engine *lash;} {global
 } 
 
 class TLE {open

Timeline/Track.H

@@ -36,7 +36,7 @@
 #include <vector>
 using std::vector;
 
-#include "Engine/Port.H"
+#include "JACK/Port.H"
 
 #include "Timeline.H"
 
@@ -44,7 +44,7 @@ class Control_Sequence;
 class Annotation_Sequence;
 class Playback_DS;
 class Record_DS;
-class Port;
+// class JACK::Port;
 class Audio_Region;
 class Audio_File;
 
@@ -94,7 +94,7 @@ private:
     bool configure_inputs ( int n );
 
     void update_port_names ( void );
-    const char *name_for_port( Port::type_e type, int n );
+    const char *name_for_port( JACK::Port::type_e type, int n );
     void update_take_menu ( void );
 
     Track ( );
@@ -124,8 +124,8 @@ public:
     Fl_Pack        *takes;
 
 
-    vector<Port>   input;                        /* input ports... */
+    vector<JACK::Port>   input;                        /* input ports... */
-    vector<Port>   output;                       /* output ports... */
+    vector<JACK::Port>   output;                       /* output ports... */
 
     Playback_DS    *playback_ds;
     Record_DS      *record_ds;

Timeline/const.h

@@ -17,4 +17,6 @@
 /* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
 /*******************************************************************************/
 
+#define APP_NAME "Non-DAW"
+#define APP_TITLE "The Non-DAW"
 #define __MODULE__ "non-daw"

Timeline/main.C

@@ -43,7 +43,7 @@
 #include "../FL/Boxtypes.H"
 
 #include "Project.H"
-#include "LASH.H"
+#include "LASH_Engine.H"
 #include "Transport.H"
 #include "Engine/Engine.H"
 
@@ -52,7 +52,7 @@
 Engine *engine;
 Timeline *timeline;
 Transport *transport;
-LASH *lash;
+LASH_Engine *lash;
 TLE *tle;
 
 /* TODO: put these in a header */
@@ -138,15 +138,17 @@ main ( int argc, char **argv )
 
     const char *jack_name;
 
-    if ( ! ( jack_name = engine->init() ) )
+    if ( ! ( jack_name = engine->init( APP_NAME ) ) )
         FATAL( "Could not connect to JACK!" );
 
+    timeline->sample_rate( engine->sample_rate() );
+
     /* always start stopped (please imagine for me a realistic
      * scenario requiring otherwise */
     transport->stop();
 
     MESSAGE( "Initializing LASH" );
-    lash = new LASH;
+    lash = new LASH_Engine;
 
     if ( argc > 1 && ! strcmp( argv[1], "--no-lash" ) )
     {

Timeline/makefile.inc

@@ -1,5 +1,7 @@
 # -*- mode: makefile; -*-
 
+all: Timeline
+
 Timeline_VERSION := 0.5.0
 
 Timeline_SRCS := $(wildcard Timeline/*.C Timeline/*.fl Timeline/Engine/*.C)
@@ -14,7 +16,7 @@ Timeline_LIBS := $(FLTK_LIBS) $(JACK_LIBS) $(SNDFILE_LIBS) $(LASH_LIBS)
 
 Timeline/timeline: $(Timeline_OBJS) FL
 	@ echo -n Linking timeline...
-	@ $(CXX) $(CXXFLAGS) $(INCLUDES) $(Timeline_LIBS)  $(Timeline_OBJS) -o $@ -LFL -lfl_widgets && echo $(DONE)
+	@ $(CXX) $(CXXFLAGS) $(INCLUDES) $(Timeline_LIBS)  $(Timeline_OBJS) -o $@ -LFL -lfl_widgets -Lnonlib -lnonlib && echo $(DONE)
 
 Timeline: Timeline/timeline
 

nonlib/JACK/Client.C

@@ -0,0 +1,143 @@
+
+/*******************************************************************************/
+/* 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 "Client.H"
+
+
+
+namespace JACK
+{
+
+    Client::Client ( )
+    {
+        _freewheeling = false;
+        _zombified = false;
+        _client = NULL;
+        _xruns = 0;
+    }
+
+    Client::~Client ( )
+    {
+        jack_deactivate( _client );
+        jack_client_close( _client );
+    }
+
+
+
+/*******************/
+/* Static Wrappers */
+/*******************/
+
+    int
+    Client::process ( nframes_t nframes, void *arg )
+    {
+        return ((Client*)arg)->process( nframes );
+    }
+
+    int
+    Client::sync ( jack_transport_state_t state, jack_position_t *pos, void *arg )
+    {
+        return ((Client*)arg)->sync( state, pos );
+    }
+
+    int
+    Client::xrun ( void *arg )
+    {
+        ++((Client*)arg)->_xruns;
+        return ((Client*)arg)->xrun();
+    }
+
+    void
+    Client::timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos, void *arg )
+    {
+        ((Client*)arg)->timebase( state, nframes, pos, new_pos );
+    }
+
+    void
+    Client::freewheel ( int starting, void *arg )
+    {
+        ((Client*)arg)->_freewheeling = starting;
+        ((Client*)arg)->freewheel( starting );
+    }
+
+    int
+    Client::buffer_size ( nframes_t nframes, void *arg )
+    {
+        return ((Client*)arg)->buffer_size( nframes );
+    }
+
+    void
+    Client::thread_init ( void *arg )
+    {
+        ((Client*)arg)->thread_init();
+    }
+
+    void
+    Client::shutdown ( void *arg )
+    {
+        ((Client*)arg)->_zombified = true;
+        ((Client*)arg)->shutdown();
+    }
+
+
+
+/** Connect to JACK using client name /client_name/. Return a static
+ * pointer to actual name as reported by JACK */
+    const char *
+    Client::init ( const char *client_name )
+    {
+        if (( _client = jack_client_open ( client_name, (jack_options_t)0, NULL )) == 0 )
+            return NULL;
+
+#define set_callback( name ) jack_set_ ## name ## _callback( _client, &Client:: name , this )
+
+        set_callback( thread_init );
+        set_callback( process );
+        set_callback( xrun );
+        set_callback( freewheel );
+        set_callback( buffer_size );
+
+        /* FIXME: should we wait to register this until after the project
+           has been loaded (and we have disk threads running)? */
+        set_callback( sync );
+
+        jack_set_timebase_callback( _client, 0, &Client::timebase, this );
+
+        jack_on_shutdown( _client, &Client::shutdown, this );
+
+        jack_activate( _client );
+
+        _sample_rate = frame_rate();
+
+        return jack_get_client_name( _client );
+    }
+
+
+
+/* THREAD: RT */
+/** enter or leave freehweeling mode */
+    void
+    Client::freewheeling ( bool yes )
+    {
+        if ( jack_set_freewheel( _client, yes ) )
+            ;
+//            WARNING( "Unkown error while setting freewheeling mode" );
+    }
+
+}

nonlib/JACK/Client.H

@@ -0,0 +1,82 @@
+
+/*******************************************************************************/
+/* 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.  */
+/*******************************************************************************/
+
+#pragma once
+
+#include <jack/jack.h>
+
+typedef jack_nframes_t nframes_t;
+typedef float sample_t;
+
+namespace JACK
+{
+    class Client
+    {
+        jack_client_t *_client;
+
+        nframes_t _sample_rate;
+        volatile int _xruns;
+        volatile bool _freewheeling;
+        volatile bool _zombified;
+
+        static void shutdown ( void *arg );
+        virtual void shutdown ( void ) = 0;
+        static int process ( nframes_t nframes, void *arg );
+        virtual int process ( nframes_t nframes ) = 0;
+        static int sync ( jack_transport_state_t state, jack_position_t *pos, void *arg );
+        virtual int sync ( jack_transport_state_t state, jack_position_t *pos ) = 0;
+        static int xrun ( void *arg );
+        virtual int xrun ( void ) = 0;
+        static void timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos, void *arg );
+        virtual void timebase ( jack_transport_state_t state, jack_nframes_t nframes, jack_position_t *pos, int new_pos ) = 0;
+        static void freewheel ( int yes, void *arg );
+        virtual void freewheel ( bool yes ) = 0;
+        static int buffer_size ( nframes_t nframes, void *arg );
+        virtual int buffer_size ( nframes_t nframes ) = 0;
+        static void thread_init ( void *arg );
+        virtual void thread_init ( void ) = 0;
+
+        Client ( const Client &rhs );
+        Client & operator = ( const Client &rhs );
+
+    private:
+
+        friend class Port;
+        friend class Transport;
+
+    public:
+
+        jack_client_t * client ( void ) { return _client; }
+
+        Client ( );
+        virtual ~Client ( );
+
+        const char * init ( const char *client_name );
+
+        nframes_t nframes ( void ) const { return jack_get_buffer_size( _client ); }
+        float frame_rate ( void ) const { return jack_get_sample_rate( _client ); }
+        nframes_t sample_rate ( void ) const { return _sample_rate; }
+        int xruns ( void ) const { return _xruns; };
+        bool freewheeling ( void ) const { return _freewheeling; }
+        void freewheeling ( bool yes );
+        bool zombified ( void ) const { return _zombified; }
+        float cpu_load ( void ) const { return jack_cpu_load( _client ); }
+
+    };
+}

nonlib/JACK/Port.C

@@ -0,0 +1,173 @@
+
+/*******************************************************************************/
+/* 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.  */
+/*******************************************************************************/
+
+/* Wrapper for a JACK audio port */
+
+#include "Port.H"
+
+#include <string.h>
+#include <stdio.h> // sprintf
+
+namespace JACK
+{
+
+    static const char *name_for_port ( Port::type_e dir, const char *base, int n, const char *type );
+
+    int
+    Port::max_name ( void )
+    {
+        return jack_port_name_size() - jack_client_name_size() - 6;
+    }
+
+/* nframes is the number of frames to buffer */
+    Port::Port ( jack_client_t *client, jack_port_t *port )
+    {
+        _client = client;
+        _port = port;
+        _name = jack_port_name( _port );
+    }
+
+    Port::Port ( jack_client_t *client, const char *name, type_e dir )
+    {
+        _client = client;
+        activate( name, dir );
+    }
+
+    Port::Port ( jack_client_t *client, type_e dir, const char *base, int n, const char *type )
+    {
+        _client = client;
+
+        const char *name = name_for_port( dir, base, n, type );
+
+        activate( name, dir );
+    }
+
+    Port::~Port ( )
+    {
+/*    if ( _port ) */
+/*         jack_port_unregister( _client, _port ); */
+
+    }
+
+
+
+    static const char *
+    name_for_port ( Port::type_e dir, const char *base, int n, const char *type )
+    {
+        static char pname[ 512 ];
+
+        const char *dir_s = dir == Port::Output ? "out" : "in";
+
+        strncpy( pname, base, Port::max_name() );
+        pname[ Port::max_name() - 1 ] = '\0';
+
+        int l = strlen( pname );
+
+        if ( type )
+            snprintf( pname + l, sizeof( pname ) - l, "/%s-%s-%d", type, dir_s, n + 1 );
+        else
+            snprintf( pname + l, sizeof( pname ) - l, "/%s-%d", dir_s, n + 1 );
+
+        return pname;
+    }
+
+    void
+    Port::activate ( const char *name, type_e dir )
+    {
+        _name = name;
+        _port = jack_port_register( _client, _name,
+                                    JACK_DEFAULT_AUDIO_TYPE,
+                                    dir == Output ? JackPortIsOutput : JackPortIsInput,
+                                    0 );
+    }
+
+/** returns the sum of latency of all ports between this one and a
+    terminal port. */
+/* FIMXE: how does JACK know that input A of client Foo connects to
+   output Z of the same client in order to draw the line through Z to a
+   terminal port? And, if this determination cannot be made, what use is
+   this function? */
+
+    nframes_t
+    Port::total_latency ( void ) const
+    {
+        return jack_port_get_total_latency( _client, _port );
+    }
+
+/** returns the number of frames of latency assigned to this port */
+    nframes_t
+    Port::latency ( void ) const
+    {
+        return jack_port_get_latency( _port );
+    }
+
+/** inform JACK that port has /frames/ frames of latency */
+    void
+    Port::latency ( nframes_t frames )
+    {
+        jack_port_set_latency( _port, frames );
+    }
+
+    void
+    Port::shutdown ( void )
+    {
+        if ( _port )
+            jack_port_unregister( _client, _port );
+    }
+
+/** rename port */
+    bool
+    Port::name ( const char *name )
+    {
+        _name = name;
+
+        return 0 == jack_port_set_name( _port, name );
+    }
+
+    bool
+    Port::name ( const char *base, int n, const char *type )
+    {
+        return name( name_for_port( this->type(), base, n, type ) );
+    }
+
+    void
+    Port::write ( sample_t *buf, nframes_t nframes )
+    {
+        memcpy( buffer( nframes ), buf, nframes * sizeof( sample_t ) );
+    }
+
+    void
+    Port::read ( sample_t *buf, nframes_t nframes )
+    {
+        memcpy( buf, buffer( nframes ), nframes * sizeof( sample_t ) );
+    }
+
+    void *
+    Port::buffer ( nframes_t nframes )
+    {
+        return jack_port_get_buffer( _port, nframes );
+    }
+
+    void
+    Port::silence ( nframes_t nframes )
+    {
+        memset( buffer( nframes ), 0, nframes * sizeof( sample_t ) );
+    }
+
+}

nonlib/JACK/Port.H

@@ -19,14 +19,16 @@
 
 #pragma once
 
-#include <jack/jack.h>
+// #include <jack/jack.h>
+#include "Client.H"
 
-#include "types.h"
+namespace JACK
-
-class Port
 {
+    class Port
+    {
         jack_port_t *_port;
         const char *_name;
+        jack_client_t *_client;
 
         /* FIXME: reference count? */
 
@@ -34,15 +36,15 @@ class Port
 /*     Port ( const Port &rhs ); */
 /*     Port & operator= ( const Port &rhs ); */
 
-public:
+    public:
 
         enum type_e { Output, Input };
 
         static int max_name ( void );
 
-    Port ( jack_port_t *port );
+        Port ( jack_client_t *client, jack_port_t *port );
-    Port ( const char *name, type_e dir );
+        Port ( jack_client_t *client, const char *name, type_e dir );
-    Port ( type_e dir, const char *base, int n, const char *type=0 );
+        Port ( jack_client_t *client, type_e dir, const char *base, int n, const char *type=0 );
 
 //    Port ( );
         ~Port ( );
@@ -63,6 +65,7 @@ public:
         const char * name ( void ) const { return _name; }
         bool name ( const char *name );
         bool name ( const char *base, int n, const char *type=0 );
+
         nframes_t total_latency ( void ) const;
         nframes_t latency ( void ) const;
         void latency ( nframes_t frames );
@@ -73,4 +76,6 @@ public:
         void read ( sample_t *buf, nframes_t nframes );
         void *buffer ( nframes_t nframes );
         void silence ( nframes_t nframes );
-};
+    };
+
+}

nonlib/JACK/makefile.inc

@@ -0,0 +1,17 @@
+# -*- mode: makefile; -*-
+
+nonlib_SRCS := $(wildcard JACK/*.C LASH/*.C)
+
+nonlib_SRCS:=$(sort $(nonlib_SRCS))
+nonlib_OBJS:=$(nonlib_SRCS:.C=.o)
+
+all: nonlib/libnonlib.a
+
+nonlib/libnonlib.a: $(nonlib_OBJS)
+	@ ar rcs $@ $(nonlib_OBJS)
+
+.PHONEY: nonlib
+nonlib: nonlib/libnonlib.a
+
+nonlib_clean:
+	rm -f $(nonlib_OBJS) nonlib/libnonlib.a

nonlib/LASH/Client.C

@@ -0,0 +1,134 @@
+
+/*******************************************************************************/
+/* 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.  */
+/*******************************************************************************/
+
+/* Handler based wrapper for LASH */
+
+#include "Client.H"
+
+/* #include "const.h" */
+/* #include "util/debug.h" */
+
+
+
+namespace LASH
+{
+
+    Client::Client ( )
+    {
+        _void = 0;
+    }
+
+    Client::~Client ( )
+    {
+        /* TODO: anything? */
+    }
+
+
+
+#ifdef HAVE_LASH
+
+#include <lash/lash.h>
+
+#define _client (static_cast<lash_client_t*>(_void))
+
+    bool
+    Client::init ( const char *jack_name, const char *long_name, int *argc, char ***argv )
+    {
+        if ( ! ( _void = lash_init( lash_extract_args( argc, argv ), jack_name,
+                                    LASH_Config_File, LASH_PROTOCOL( 2, 0 ) ) ) )
+            return false;
+
+        /* register name */
+        lash_jack_client_name( _client, jack_name );
+
+        lash_event_t *e = lash_event_new_with_type( LASH_Client_Name );
+        lash_event_set_string( e, long_name );
+        lash_send_event( _client, e );
+
+        return true;
+    }
+
+    bool
+    Client::enabled ( void )
+    {
+        return lash_enabled( _client );
+    }
+
+/** process any queued events */
+    void
+    Client::poll ( void )
+    {
+        if ( ! _client )
+            return;
+
+        lash_event_t *e;
+
+        while ( ( e = lash_get_event( _client ) ) )
+        {
+            const char *name = lash_event_get_string( e );
+
+            switch ( lash_event_get_type( e )  )
+            {
+                case LASH_Save_File:
+                    handle_save_file( name );
+
+                    lash_send_event( _client, lash_event_new_with_type( LASH_Save_File ) );
+
+                    break;
+                case LASH_Restore_File:
+                    if ( ! handle_restore_file( name ) )
+                        /* FIXME: should we tell lash that we couldn't load the song? */;
+
+                    lash_send_event( _client, lash_event_new_with_type( LASH_Restore_File ) );
+
+                    break;
+                case LASH_Quit:
+                    handle_quit();
+                    break;
+                default:
+//                    WARNING( "unhandled LASH event" );
+                    break;
+            }
+
+            lash_event_destroy( e );
+        }
+    }
+
+#else
+
+    bool
+    Client::init ( const char *jack_name, const char *long_name, int *argc, char ***argv )
+    {
+        return true;
+    }
+
+    bool
+    Client::enabled ( void )
+    {
+        return false;
+    }
+
+    void
+    Client::poll ( void )
+    {
+    }
+
+#endif
+
+}

nonlib/LASH/Client.H

@@ -21,21 +21,23 @@
 
 #pragma once
 
-class LASH_Client
+namespace LASH
 {
+    class Client
+    {
         /* to avoid including the lash header here... */
         void *_void;
 
-protected:
+    protected:
 
         virtual bool handle_save_file ( const char *path ) = 0;
         virtual bool handle_restore_file ( const char *path ) = 0;
         virtual void handle_quit ( void ) = 0;
 
-public:
+    public:
 
-    LASH_Client ( );
+        Client ( );
-    virtual ~LASH_Client ( );
+        virtual ~Client ( );
 
         bool init ( const char *jack_name, const char *full_name, int *argc, char ***argv );
         bool enabled ( void );
@@ -46,4 +48,5 @@ public:
 
         /* TODO: project_add, project_remove, project_dir, project_name, percentage */
 
-};
+    };
+}

nonlib/Log_Entry.C

@@ -19,7 +19,7 @@
 
 #include "Log_Entry.H"
 
-#include "const.h"
+// #include "const.h"
 #include "util/debug.h"
 
 Log_Entry::Log_Entry ( )

nonlib/Log_Entry.H

@@ -20,6 +20,7 @@
 #pragma once
 
 #include "Loggable.H"
+
 #include "types.h"
 
 class Log_Entry

nonlib/Loggable.C

@@ -33,7 +33,7 @@
 
 #include "util/file.h"
 
-#include "const.h"
+// #include "const.h"
 #include "util/debug.h"
 
 #include <algorithm>
@@ -66,7 +66,6 @@ Loggable::~Loggable ( )
     _loggables[ _id ].loggable = NULL;
 }
 
-
 
 
 void
@@ -92,7 +91,6 @@ Loggable::find ( unsigned int id )
     return _loggables[ id ].loggable;
 }
 
-
 /** Open the journal /filename/ and replay it, bringing the end state back into RAM */
 bool
 Loggable::open ( const char *filename )
@@ -161,6 +159,17 @@ Loggable::load_unjournaled_state ( void )
 #include <sys/stat.h>
 #include <unistd.h>
 
+/** replay journal or snapshot */
+bool
+Loggable::replay ( const char *file )
+{
+    FILE *fp = fopen( file, "r" );
+
+    replay( fp );
+
+    fclose( fp );
+}
+
 /** replay journal or snapshot */
 bool
 Loggable::replay ( FILE *fp )

nonlib/Loggable.H

@@ -31,7 +31,7 @@
 #include <string>
 #include <queue>
 
-#include "types.h"
+// #include "types.h"
 
 typedef void (progress_func)( int, void * );
 typedef void (snapshot_func)( void * );
@@ -102,9 +102,6 @@ private:
 
     static void flush ( void );
 
-    static bool snapshot ( FILE * fp );
-    static bool snapshot ( const char *name );
-    static bool replay ( FILE *fp );
 
     void init ( bool loggable=true )
         {
@@ -129,8 +126,15 @@ private:
     void record_unjournaled ( void ) const;
     static bool load_unjournaled_state ( void );
 
+    static bool replay ( FILE *fp );
+    static bool replay ( const char *name );
+
 public:
 
+
+    static bool snapshot( FILE * fp );
+    static bool snapshot( const char *name );
+
     static void snapshot_callback ( snapshot_func *p, void *arg ) { _snapshot_callback = p; _snapshot_callback_arg = arg; }
     static void progress_callback ( progress_func *p, void *arg ) { _progress_callback = p; _progress_callback_arg = arg;}
     static const char *escape ( const char *s );

nonlib/dsp.C

@@ -33,28 +33,35 @@ buffer_apply_gain ( sample_t *buf, nframes_t nframes, float g )
 }
 
 void
-buffer_apply_gain_buffer ( sample_t *buf, sample_t *gainbuf, nframes_t nframes )
+buffer_apply_gain_buffer ( sample_t *buf, const sample_t *gainbuf, nframes_t nframes )
 {
     while ( nframes-- )
         *(buf++) *= *(gainbuf++);
 }
 
 void
-buffer_mix ( sample_t *dst, sample_t *src, nframes_t nframes )
+buffer_copy_and_apply_gain_buffer ( sample_t *dst, const sample_t *src, const sample_t *gainbuf, nframes_t nframes )
+{
+    while ( nframes-- )
+        *(dst++) = *(src++) * *(gainbuf++);
+}
+
+void
+buffer_mix ( sample_t *dst, const sample_t *src, nframes_t nframes )
 {
     while ( nframes-- )
         *(dst++) += *(src++);
 }
 
 void
-buffer_mix_with_gain ( sample_t *dst, sample_t *src, nframes_t nframes, float g )
+buffer_mix_with_gain ( sample_t *dst, const sample_t *src, nframes_t nframes, float g )
 {
     while ( nframes-- )
         *(dst++) += *(src++) * g;
 }
 
 void
-buffer_interleave_one_channel ( sample_t *dst, sample_t *src, int channel, int channels, nframes_t nframes )
+buffer_interleave_one_channel ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes )
 {
     dst += channel;
 
@@ -66,7 +73,7 @@ buffer_interleave_one_channel ( sample_t *dst, sample_t *src, int channel, int c
 }
 
 void
-buffer_interleave_one_channel_and_mix ( sample_t *dst, sample_t *src, int channel, int channels, nframes_t nframes )
+buffer_interleave_one_channel_and_mix ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes )
 {
     dst += channel;
 
@@ -78,7 +85,7 @@ buffer_interleave_one_channel_and_mix ( sample_t *dst, sample_t *src, int channe
 }
 
 void
-buffer_deinterleave_one_channel ( sample_t *dst, sample_t *src, int channel, int channels, nframes_t nframes )
+buffer_deinterleave_one_channel ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes )
 {
     src += channel;
 
@@ -107,3 +114,16 @@ buffer_is_digital_black ( sample_t *buf, nframes_t nframes )
 
     return true;
 }
+
+void
+buffer_copy ( sample_t *dst, const sample_t *src, nframes_t nframes )
+{
+    memcpy( dst, src, nframes * sizeof( sample_t ) );
+}
+
+void
+buffer_copy_and_apply_gain ( sample_t *dst, const sample_t *src, nframes_t nframes, float gain )
+{
+    memcpy( dst, src, nframes * sizeof( sample_t ) );
+    buffer_apply_gain( dst, nframes, gain );
+}

nonlib/dsp.h

@@ -0,0 +1,41 @@
+
+/*******************************************************************************/
+/* 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.  */
+/*******************************************************************************/
+
+#pragma once
+
+#include "JACK/Client.H"
+#include <math.h>
+
+void buffer_apply_gain ( sample_t *buf, nframes_t nframes, float g );
+void buffer_apply_gain_buffer ( sample_t *buf, const sample_t *gainbuf, nframes_t nframes );
+void buffer_copy_and_apply_gain_buffer ( sample_t *dst, const sample_t *src, const sample_t *gainbuf, nframes_t nframes );
+void buffer_mix ( sample_t *dst, const sample_t *src, nframes_t nframes );
+void buffer_mix_with_gain ( sample_t *dst, const sample_t *src, nframes_t nframes, float g );
+void buffer_interleave_one_channel ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes );
+void buffer_interleave_one_channel_and_mix ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes );
+void buffer_deinterleave_one_channel ( sample_t *dst, const sample_t *src, int channel, int channels, nframes_t nframes );
+void buffer_fill_with_silence ( sample_t *buf, nframes_t nframes );
+bool buffer_is_digital_black ( sample_t *buf, nframes_t nframes );
+void buffer_copy ( sample_t *dst, const sample_t *src, nframes_t nframes );
+void buffer_copy_and_apply_gain ( sample_t *dst, const sample_t *src, nframes_t nframes, float gain );
+
+// from SWH plugins.
+// Convert a value in dB's to a coefficent
+#define DB_CO(g) ((g) > -90.0f ? powf(10.0f, (g) * 0.05f) : 0.0f)
+#define CO_DB(v) (20.0f * log10f(v))

nonlib/makefile.inc

@@ -0,0 +1,17 @@
+# -*- mode: makefile; -*-
+
+nonlib_SRCS := $(wildcard nonlib/*.C nonlib/JACK/*.C nonlib/LASH/*.C)
+
+nonlib_SRCS:=$(sort $(nonlib_SRCS))
+nonlib_OBJS:=$(nonlib_SRCS:.C=.o)
+
+all: nonlib/libnonlib.a
+
+nonlib/libnonlib.a: $(nonlib_OBJS)
+	@ ar rcs $@ $(nonlib_OBJS)
+
+.PHONEY: nonlib
+nonlib: nonlib/libnonlib.a
+
+nonlib_clean:
+	rm -f $(nonlib_OBJS) nonlib/libnonlib.a

nonlib/types.h

@@ -19,14 +19,7 @@
 
 #pragma once
 
-#include "types.h"
+#include <jack/jack.h>
 
-void buffer_apply_gain ( sample_t *buf, nframes_t nframes, float g );
+typedef jack_nframes_t nframes_t;
-void buffer_apply_gain_buffer ( sample_t *buf, sample_t *gainbuf, nframes_t nframes );
+typedef float sample_t;
-void buffer_mix ( sample_t *dst, sample_t *src, nframes_t nframes );
-void buffer_mix_with_gain ( sample_t *dst, sample_t *src, nframes_t nframes, float g );
-void buffer_interleave_one_channel ( sample_t *dst, sample_t *src, int channel, int channels, nframes_t nframes );
-void buffer_interleave_one_channel_and_mix ( sample_t *dst, sample_t *src, int channel, int channels, nframes_t nframes );
-void buffer_deinterleave_one_channel ( sample_t *dst, sample_t *src, int channel, int channels, nframes_t nframes );
-void buffer_fill_with_silence ( sample_t *buf, nframes_t nframes );
-bool buffer_is_digital_black ( sample_t *buf, nframes_t nframes );