diff options
Diffstat (limited to 'lv2')
| -rw-r--r-- | lv2/Makefile.am | 44 | ||||
| -rw-r--r-- | lv2/drumgizmo.ttl | 130 | ||||
| -rw-r--r-- | lv2/input_lv2.cc | 121 | ||||
| -rw-r--r-- | lv2/input_lv2.h | 53 | ||||
| -rw-r--r-- | lv2/lv2.cc | 306 | ||||
| -rw-r--r-- | lv2/manifest.ttl | 7 | ||||
| -rw-r--r-- | lv2/output_lv2.cc | 89 | ||||
| -rw-r--r-- | lv2/output_lv2.h | 53 | 
8 files changed, 803 insertions, 0 deletions
diff --git a/lv2/Makefile.am b/lv2/Makefile.am new file mode 100644 index 0000000..69c2457 --- /dev/null +++ b/lv2/Makefile.am @@ -0,0 +1,44 @@ +lv2sources = \ +	lv2.cc \ +	input_lv2.cc \ +	output_lv2.cc \ +	$(top_srcdir)/src/audiofile.cc \ +	$(top_srcdir)/src/channel.cc \ +	$(top_srcdir)/src/channelmixer.cc \ +	$(top_srcdir)/src/drumgizmo.cc \ +	$(top_srcdir)/src/drumkit.cc \ +	$(top_srcdir)/src/drumkitparser.cc \ +	$(top_srcdir)/src/events.cc \ +	$(top_srcdir)/src/instrument.cc \ +	$(top_srcdir)/src/instrumentparser.cc \ +	$(top_srcdir)/src/midimapper.cc \ +	$(top_srcdir)/src/mutex.cc \ +	$(top_srcdir)/src/path.cc \ +	$(top_srcdir)/src/sample.cc \ +	$(top_srcdir)/src/saxparser.cc \ +	$(top_srcdir)/src/thread.cc \ +	$(top_srcdir)/src/velocity.cc + +if WITH_LV2 + +lv2ltlibs = liblv2.la +lv2buildsources = $(lv2sources) + +else + +lv2ltlibs = +lv2buildsources = + +endif + +EXTRA_DIST = $(lv2sources) + +lib_LTLIBRARIES = $(lv2ltlibs) + +libdir = $(LV2_PLUGIN_DIR) + +INCLUDES = -I$(top_srcdir)/src -I$(top_srcdir)/include $(SNDFILE_CXXFLAGS) \ +	 $(PTHREAD_CFLAGS) $(EXPAT_CFLAGS) +liblv2_la_LDFLAGS = $(SNDFILE_LIBS) $(EXPAT_CFLAGS) +liblv2_la_LIBADD = +liblv2_la_SOURCES = $(lv2buildsources) diff --git a/lv2/drumgizmo.ttl b/lv2/drumgizmo.ttl new file mode 100644 index 0000000..97d3542 --- /dev/null +++ b/lv2/drumgizmo.ttl @@ -0,0 +1,130 @@ +# LV2 DrumGizmo Plugin +# Copyright 2011 Bent Bisballe Nyeng <deva@aasimon.org> +# +# Permission to use, copy, modify, and/or distribute this software for any +# purpose with or without fee is hereby granted, provided that the above +# copyright notice and this permission notice appear in all copies. +# +# THIS SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES +# WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF +# MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR +# ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES +# WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN +# ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF +# OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + +@prefix doap: <http://usefulinc.com/ns/doap#> . +@prefix foaf: <http://xmlns.com/foaf/0.1/> . +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix lv2ev: <http://lv2plug.in/ns/ext/event#> . + +<http://drumgizmo.org/lv2> +	a lv2:Plugin ; +	doap:name "DrumGizmo" ; +	doap:license <http://opensource.org/licenses/isc-license> ; +	lv2:requiredFeature <http://lv2plug.in/ns/ext/uri-map>; +	lv2:optionalFeature <http://lv2plug.in/ns/ext/event>; +	lv2:port [ +		a lv2:InputPort , +			lv2ev:EventPort ; +		lv2ev:supportsEvent <http://lv2plug.in/ns/ext/midi#MidiEvent> ; +		lv2:index 0 ; +		lv2:symbol "control" ; +		lv2:name "Control" +	] , [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 1 ; +		lv2:symbol "out1" ; +		lv2:name "Out1" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 2 ; +		lv2:symbol "out2" ; +		lv2:name "Out2" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 3 ; +		lv2:symbol "out3" ; +		lv2:name "Out3" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 4 ; +		lv2:symbol "out4" ; +		lv2:name "Out4" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 5 ; +		lv2:symbol "out5" ; +		lv2:name "Out5" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 6 ; +		lv2:symbol "out6" ; +		lv2:name "Out6" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 7 ; +		lv2:symbol "out7" ; +		lv2:name "Out7" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 8 ; +		lv2:symbol "out8" ; +		lv2:name "Out8" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 9 ; +		lv2:symbol "out9" ; +		lv2:name "Out9" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 10 ; +		lv2:symbol "out10" ; +		lv2:name "Out10" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 11 ; +		lv2:symbol "out11" ; +		lv2:name "Out11" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 12 ; +		lv2:symbol "out12" ; +		lv2:name "Out12" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 13 ; +		lv2:symbol "out13" ; +		lv2:name "Out13" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 14 ; +		lv2:symbol "out14" ; +		lv2:name "Out14" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 15 ; +		lv2:symbol "out15" ; +		lv2:name "Out15" +	], [ +		a lv2:AudioPort , +			lv2:OutputPort ; +		lv2:index 16 ; +		lv2:symbol "out16" ; +		lv2:name "Out16" +	] . diff --git a/lv2/input_lv2.cc b/lv2/input_lv2.cc new file mode 100644 index 0000000..d670505 --- /dev/null +++ b/lv2/input_lv2.cc @@ -0,0 +1,121 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + *            input_lv2.cc + * + *  Wed Jul 13 14:27:02 CEST 2011 + *  Copyright 2011 Bent Bisballe Nyeng + *  deva@aasimon.org + ****************************************************************************/ + +/* + *  This file is part of DrumGizmo. + * + *  DrumGizmo 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. + * + *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software + *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA. + */ +#include "input_lv2.h" + +InputLV2::InputLV2() +{ +  eventPort = NULL; +} + +InputLV2::~InputLV2() +{ +} + +bool InputLV2::init(Instruments &instruments) +{ +  return true; +} + +void InputLV2::setParm(std::string parm, std::string value) +{ +} + +bool InputLV2::start() +{ +  return true; +} + +void InputLV2::stop() +{ +} + +void InputLV2::pre() +{ +} +event_t *InputLV2::run(size_t pos, size_t len, size_t *nevents) +{ +  event_t *list; +  size_t listsize; + +  list = (event_t *)malloc(sizeof(event_t) * 1000); +  listsize = 0; + +  LV2_Event_Iterator iterator; +	for(lv2_event_begin(&iterator, eventPort); +      lv2_event_is_valid(&iterator); +      lv2_event_increment(&iterator)) { + +    LV2_Event* ev = lv2_event_get(&iterator, NULL); + +    uint8_t* const data = (uint8_t* const)(ev + 1); + +    if ((data[0] & 0xF0) == 0x90) { + +    int key = data[1]; +    int velocity = data[2]; +     +    //printf("Event key:%d vel:%d\n", key, velocity); +     +    if(velocity) { +      list[listsize].type = TYPE_ONSET; +      list[listsize].instrument = key; +      list[listsize].velocity = velocity / 127.0; +      list[listsize].offset = ev->frames; +      listsize++; +    } +      /* +				start_frame = ev->frames; +				plugin->frame = 0; +				plugin->play  = true; +      */ +    } +  } + +  *nevents = listsize; +  return list; +} + +void InputLV2::post() +{ +} + +#ifdef TEST_INPUT_LV2 +//Additional dependency files +//deps: +//Required cflags (autoconf vars may be used) +//cflags: +//Required link options (autoconf vars may be used) +//libs: +#include "test.h" + +TEST_BEGIN; + +// TODO: Put some testcode here (see test.h for usable macros). + +TEST_END; + +#endif/*TEST_INPUT_LV2*/ diff --git a/lv2/input_lv2.h b/lv2/input_lv2.h new file mode 100644 index 0000000..9e1fcac --- /dev/null +++ b/lv2/input_lv2.h @@ -0,0 +1,53 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + *            input_lv2.h + * + *  Wed Jul 13 14:27:02 CEST 2011 + *  Copyright 2011 Bent Bisballe Nyeng + *  deva@aasimon.org + ****************************************************************************/ + +/* + *  This file is part of DrumGizmo. + * + *  DrumGizmo 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. + * + *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software + *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA. + */ +#ifndef __DRUMGIZMO_INPUT_LV2_H__ +#define __DRUMGIZMO_INPUT_LV2_H__ + +#include <audioinputengine.h> + +#include <lv2/lv2plug.in/ns/ext/event/event-helpers.h> + +class InputLV2 : public AudioInputEngine { +public: +  InputLV2(); +  ~InputLV2(); + +  bool init(Instruments &instruments); + +  void setParm(std::string parm, std::string value); + +  bool start(); +  void stop(); + +  void pre(); +  event_t *run(size_t pos, size_t len, size_t *nevents); +  void post(); + +  LV2_Event_Buffer *eventPort; +}; + +#endif/*__DRUMGIZMO_INPUT_LV2_H__*/ diff --git a/lv2/lv2.cc b/lv2/lv2.cc new file mode 100644 index 0000000..8a8d7a3 --- /dev/null +++ b/lv2/lv2.cc @@ -0,0 +1,306 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + *            lv2.cc + * + *  Wed Jul 13 13:50:33 CEST 2011 + *  Copyright 2011 Bent Bisballe Nyeng + *  deva@aasimon.org + ****************************************************************************/ + +/* + *  This file is part of DrumGizmo. + * + *  DrumGizmo 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. + * + *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software + *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA. + */ +#include <lv2/lv2plug.in/ns/lv2core/lv2.h> + +#include <stdlib.h> + +#include <drumgizmo.h> + +#include "input_lv2.h" +#include "output_lv2.h" + +#define MIDI_EVENT_URI "http://lv2plug.in/ns/ext/midi#MidiEvent" + +typedef struct { +  InputLV2 *in; +  OutputLV2 *out; +  DrumGizmo *dg; +  sample_t *buffer; +  size_t buffer_size; +} DGLV2; + +/** A globally unique, case-sensitive identifier for this plugin type. + * + * All plugins with the same URI MUST be compatible in terms of 'port + * signature', meaning they have the same number of ports, same port + * shortnames, and roughly the same functionality.  URIs should + * probably contain a version number (or similar) for this reason. + * + * Rationale:  When serializing session/patch/etc files, hosts MUST + * refer to a loaded plugin by the plugin URI only.  In the future + * loading a plugin with this URI MUST yield a plugin with the + * same ports (etc) which is 100% compatible. */ +#define DRUMGIZMO_URI "http://drumgizmo.org/lv2" + +/** Function pointer that instantiates a plugin. + * + * A handle is returned indicating the new plugin instance. The + * instantiation function accepts a sample rate as a parameter as well + * as the plugin descriptor from which this instantiate function was + * found. This function must return NULL if instantiation fails. + * + * bundle_path is a string of the path to the LV2 bundle which contains + * this plugin binary.  It MUST include the trailing directory separator + * (e.g. '/') so that BundlePath + filename gives the path to a file + * in the bundle. + * + * features is a NULL terminated array of LV2_Feature structs which + * represent the features the host supports. Plugins may refuse to + * instantiate if required features are not found here (however hosts + * SHOULD NOT use this as a discovery mechanism, instead reading the + * data file before attempting to instantiate the plugin).  This array + * must always exist; if a host has no features, it MUST pass a single + * element array containing NULL (to simplify plugins). + * + * Note that instance initialisation should generally occur in + * activate() rather than here.  If a host calls instantiate, it MUST + * call cleanup() at some point in the future. */ +LV2_Handle instantiate(const struct _LV2_Descriptor *descriptor, +                       double sample_rate, +                       const char *bundle_path, +                       const LV2_Feature *const *features) +{ +  DGLV2 *dglv2 = new DGLV2; + +  dglv2->in = new InputLV2(); +  dglv2->out = new OutputLV2(); + +  dglv2->buffer = NULL; +  dglv2->buffer_size = 0; + +  dglv2->dg = new DrumGizmo(dglv2->out, dglv2->in); +  dglv2->dg->loadkit("/home/deva/docs/c/drumgizmo/kits/test/test.xml"); +  dglv2->dg->init(true); + +  return (LV2_Handle)dglv2; +} + +/** Function pointer that connects a port on a plugin instance to a memory + * location where the block of data for the port will be read/written. + * + * The data location is expected to be of the type defined in the + * plugin's data file (e.g. an array of float for an lv2:AudioPort). + * Memory issues are managed by the host. The plugin must read/write + * the data at these locations every time run() is called, data + * present at the time of this connection call MUST NOT be + * considered meaningful.  + * + * The host MUST NOT try to connect a data buffer to a port index  + * that is not defined in the RDF data for the plugin. If it does,  + * the plugin's behaviour is undefined. + * + * connect_port() may be called more than once for a plugin instance + * to allow the host to change the buffers that the plugin is reading + * or writing. These calls may be made before or after activate() + * or deactivate() calls.  Note that there may be realtime constraints + * on connect_port (see lv2:hardRTCapable in lv2.ttl). + * + * connect_port() MUST be called at least once for each port before + * run() is called.  The plugin must pay careful attention to the block + * size passed to the run function as the block allocated may only just + * be large enough to contain the block of data (typically samples), and + * is not guaranteed to be constant. + * + * Plugin writers should be aware that the host may elect to use the + * same buffer for more than one port and even use the same buffer for + * both input and output (see lv2:inPlaceBroken in lv2.ttl). + * However, overlapped buffers or use of a single buffer for both + * audio and control data may result in unexpected behaviour. + * + * If the plugin has the feature lv2:hardRTCapable then there are  + * various things that the plugin MUST NOT do within the connect_port() + * function (see lv2.ttl). */ +void connect_port(LV2_Handle instance, +                  uint32_t port, +                  void *data_location) +{ +  DGLV2 *dglv2 = (DGLV2 *)instance; + +  if(port == 0) {// MIDI in +    dglv2->in->eventPort = (LV2_Event_Buffer*)data_location; +  } else {// Audio Port +    if(port - 1 < NUM_OUTPUTS) +      dglv2->out->outputPort[port - 1] = (sample_t*)data_location; +  } +} + +/** Function pointer that initialises a plugin instance and activates + * it for use. + *  + * This is separated from instantiate() to aid real-time support and so + * that hosts can reinitialise a plugin instance by calling deactivate() + * and then activate(). In this case the plugin instance must reset all + * state information dependent on the history of the plugin instance + * except for any data locations provided by connect_port(). If there + * is nothing for activate() to do then the plugin writer may provide + * a NULL rather than an empty function. + * + * When present, hosts MUST call this function once before run() + * is called for the first time. This call SHOULD be made as close + * to the run() call as possible and indicates to real-time plugins + * that they are now live, however plugins MUST NOT rely on a prompt + * call to run() after activate().  activate() may not be called again + * unless deactivate() is called first (after which activate() may be + * called again, followed by deactivate, etc. etc.).  If a host calls + * activate, it MUST call deactivate at some point in the future. + * + * Note that connect_port() may be called before or after a call to + * activate(). */ +void activate(LV2_Handle instance) +{ +  DGLV2 *dglv2 = (DGLV2 *)instance; +  //dglv2->dg->run(); +  (void)dglv2; +} + +/** Function pointer that runs a plugin instance for a block. + * + * Two parameters are required: the first is a handle to the particular + * instance to be run and the second indicates the block size (in + * samples) for which the plugin instance may run. + * + * Note that if an activate() function exists then it must be called + * before run(). If deactivate() is called for a plugin instance then + * the plugin instance may not be reused until activate() has been + * called again. + * + * If the plugin has the feature lv2:hardRTCapable then there are  + * various things that the plugin MUST NOT do within the run() + * function (see lv2.ttl). */ +void run(LV2_Handle instance, +         uint32_t sample_count) +{ +  static size_t pos = 0; +  DGLV2 *dglv2 = (DGLV2 *)instance; + +  if(dglv2->buffer_size != sample_count) { +    if(dglv2->buffer) free(dglv2->buffer); +    dglv2->buffer_size = sample_count; +    dglv2->buffer = (sample_t*)malloc(sizeof(sample_t) * dglv2->buffer_size); +  } + +  dglv2->dg->run(pos, dglv2->buffer, dglv2->buffer_size); + +  pos += sample_count; +} + +/** This is the counterpart to activate() (see above). If there is + * nothing for deactivate() to do then the plugin writer may provide + * a NULL rather than an empty function. + * + * Hosts must deactivate all activated units after they have been run() + * for the last time. This call SHOULD be made as close to the last + * run() call as possible and indicates to real-time plugins that + * they are no longer live, however plugins MUST NOT rely on prompt + * deactivation. Note that connect_port() may be called before or + * after a call to deactivate(). + * + * Note that deactivation is not similar to pausing as the plugin + * instance will be reinitialised when activate() is called to reuse it. + * Hosts MUST NOT call deactivate() unless activate() was previously + * called. */ +void deactivate(LV2_Handle instance) +{ +  DGLV2 *dglv2 = (DGLV2 *)instance; +  dglv2->dg->stop(); +} + +/** This is the counterpart to instantiate() (see above).  Once an instance + * of a plugin has been finished with it can be deleted using this + * function. The instance handle passed ceases to be valid after + * this call. + *  + * If activate() was called for a plugin instance then a corresponding + * call to deactivate() MUST be made before cleanup() is called. + * Hosts MUST NOT call cleanup() unless instantiate() was previously + * called. */ +void cleanup(LV2_Handle instance) +{ +  DGLV2 *dglv2 = (DGLV2 *)instance; +  delete dglv2->dg; +  delete dglv2->in; +  delete dglv2->out; +} + +/** Function pointer that can be used to return additional instance data for + * a plugin defined by some extenion (e.g. a struct containing additional + * function pointers). + * + * The actual type and meaning of the returned object MUST be specified  + * precisely by the extension if it defines any extra data.  If a particular + * extension does not define extra instance data, this function MUST return + * NULL for that extension's URI.  If a plugin does not support any + * extensions that define extra instance data, this function pointer may be + * set to NULL rather than providing an empty function. + *  + * The only parameter is the URI of the extension. The plugin MUST return + * NULL if it does not support the extension, but hosts SHOULD NOT use this + * as a discovery method (e.g. hosts should only call this function for + * extensions known to be supported by the plugin from the data file). + * + * The host is never responsible for freeing the returned value. + *  + * NOTE: This function should return a struct (likely containing function + * pointers) and NOT a direct function pointer.  Standard C and C++ do not + * allow type casts from void* to a function pointer type.  To provide + * additional functions a struct should be returned containing the extra + * function pointers (which is valid standard code, and a much better idea + * for extensibility anyway). */ +const void* extension_data(const char *uri) +{ +  return NULL; +} + +#ifdef __cplusplus +extern "C" { +#endif + +static const LV2_Descriptor descriptor = { +	DRUMGIZMO_URI, +	instantiate, +	connect_port, +  activate, +	run, +  deactivate, +	cleanup, +	extension_data +}; + +LV2_SYMBOL_EXPORT +const LV2_Descriptor* lv2_descriptor(uint32_t index) +{ +	switch (index) { +	case 0: +		return &descriptor; +	default: +		return NULL; +	} +} + +#ifdef __cplusplus +} +#endif diff --git a/lv2/manifest.ttl b/lv2/manifest.ttl new file mode 100644 index 0000000..65a8953 --- /dev/null +++ b/lv2/manifest.ttl @@ -0,0 +1,7 @@ +@prefix lv2: <http://lv2plug.in/ns/lv2core#> . +@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> . + +<http://drumgizmo.org/lv2> +	a lv2:Plugin ; +	lv2:binary <drumgizmo.so> ; +	rdfs:seeAlso <drumgizmo.ttl> . diff --git a/lv2/output_lv2.cc b/lv2/output_lv2.cc new file mode 100644 index 0000000..226b92a --- /dev/null +++ b/lv2/output_lv2.cc @@ -0,0 +1,89 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + *            output_lv2.cc + * + *  Wed Jul 13 14:27:06 CEST 2011 + *  Copyright 2011 Bent Bisballe Nyeng + *  deva@aasimon.org + ****************************************************************************/ + +/* + *  This file is part of DrumGizmo. + * + *  DrumGizmo 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. + * + *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software + *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA. + */ +#include "output_lv2.h" + +#include <string.h> + +OutputLV2::OutputLV2() +{ +  for(size_t i = 0; i < NUM_OUTPUTS; i++) outputPort[i] = NULL; +} + +OutputLV2::~OutputLV2() +{ +} + +bool OutputLV2::init(Channels channels) +{ +  return true; +} + +void OutputLV2::setParm(std::string parm, std::string value) +{ +} + +bool OutputLV2::start() +{ +  return true; +} + +void OutputLV2::stop() +{ +} + +void OutputLV2::pre(size_t nsamples) +{ +} + +void OutputLV2::run(int ch, sample_t *samples, size_t nsamples) +{ +  if(ch < NUM_OUTPUTS) { +    if(outputPort[ch]) +      memcpy(outputPort[ch], samples, nsamples * sizeof(sample_t)); +  } +} + +void OutputLV2::post(size_t nsamples) +{ +} + +#ifdef TEST_OUTPUT_LV2 +//Additional dependency files +//deps: +//Required cflags (autoconf vars may be used) +//cflags: +//Required link options (autoconf vars may be used) +//libs: +#include "test.h" + +TEST_BEGIN; + +// TODO: Put some testcode here (see test.h for usable macros). + +TEST_END; + +#endif/*TEST_OUTPUT_LV2*/ diff --git a/lv2/output_lv2.h b/lv2/output_lv2.h new file mode 100644 index 0000000..9a313f4 --- /dev/null +++ b/lv2/output_lv2.h @@ -0,0 +1,53 @@ +/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */ +/*************************************************************************** + *            output_lv2.h + * + *  Wed Jul 13 14:27:06 CEST 2011 + *  Copyright 2011 Bent Bisballe Nyeng + *  deva@aasimon.org + ****************************************************************************/ + +/* + *  This file is part of DrumGizmo. + * + *  DrumGizmo 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. + * + *  DrumGizmo 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 DrumGizmo; if not, write to the Free Software + *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA. + */ +#ifndef __DRUMGIZMO_OUTPUT_LV2_H__ +#define __DRUMGIZMO_OUTPUT_LV2_H__ + +#include <audiooutputengine.h> + +#define NUM_OUTPUTS 16 + +class OutputLV2 : public AudioOutputEngine { +public: +  OutputLV2(); +  ~OutputLV2(); + +  bool init(Channels channels); + +  void setParm(std::string parm, std::string value); + +  bool start(); +  void stop(); + +  void pre(size_t nsamples); +  void run(int ch, sample_t *samples, size_t nsamples); +  void post(size_t nsamples); + +  sample_t *outputPort[NUM_OUTPUTS]; +}; + +#endif/*__DRUMGIZMO_OUTPUT_LV2_H__*/  | 
