added dummy io engines

6 files changed, 230 insertions, 4 deletions

diff --git a/drumgizmo/Makefile.am b/drumgizmo/Makefile.am
index 4988b1c..bdf36c4 100644
--- a/drumgizmo/Makefile.am
+++ b/drumgizmo/Makefile.am
@@ -29,6 +29,11 @@ drumgizmo_SOURCES = \
 	$(top_srcdir)/hugin/hugin.c \
 	$(top_srcdir)/hugin/hugin_filter.c
 
+if HAVE_INPUT_DUMMY
+drumgizmo_SOURCES += input/inputdummy.cc
+drumgizmo_CXXFLAGS += -DHAVE_INPUT_DUMMY
+endif # HAVE_INPUT_DUMMY
+
 if HAVE_INPUT_MIDIFILE
 drumgizmo_CXXFLAGS += $(SMF_CFLAGS)
 drumgizmo_LDADD += $(SMF_LIBS)
@@ -36,6 +41,11 @@ drumgizmo_SOURCES += input/midifile.cc
 drumgizmo_CXXFLAGS += -DHAVE_INPUT_MIDIFILE
 endif # HAVE_INPUT_MIDIFILE
 
+if HAVE_OUTPUT_DUMMY
+drumgizmo_SOURCES += output/outputdummy.cc
+drumgizmo_CXXFLAGS += -DHAVE_OUTPUT_DUMMY
+endif # HAVE_OUTPUT_DUMMY
+
 if HAVE_OUTPUT_WAVFILE
 drumgizmo_SOURCES += output/wavfile.cc
 drumgizmo_CXXFLAGS += -DHAVE_OUTPUT_WAVFILE
diff --git a/drumgizmo/enginefactory.cc b/drumgizmo/enginefactory.cc
index 4e9bc62..5fa230b 100644
--- a/drumgizmo/enginefactory.cc
+++ b/drumgizmo/enginefactory.cc
@@ -27,14 +27,18 @@
 #include "enginefactory.h"
 #include "jackclient.h"
 
-#define HAVE_INPUT_MIDIFILE 1
-#define HAVE_OUTPUT_WAVFILE 1
-#define HAVE_OUTPUT_ALSA 1
+#ifdef HAVE_INPUT_DUMMY
+#include "input/inputdummy.h"
+#endif
 
 #ifdef HAVE_INPUT_MIDIFILE
 #include "input/midifile.h"
 #endif
 
+#ifdef HAVE_OUTPUT_DUMMY
+#include "output/outputdummy.h"
+#endif
+
 #ifdef HAVE_OUTPUT_WAVFILE
 #include "output/wavfile.h"
 #endif
@@ -44,6 +48,11 @@
 #endif
 
 InputEnginePtr createInputEngine(std::string const & name) {
+#ifdef HAVE_INPUT_DUMMY
+	if (name == "dummy") {
+		return std::make_unique<DummyInputEngine>();
+	}
+#endif
 #ifdef HAVE_INPUT_MIDIFILE
 	if (name == "midifile") {
 		return std::make_unique<MidifileInputEngine>();
@@ -57,6 +66,11 @@ InputEnginePtr createInputEngine(std::string const & name) {
 }
 
 OutputEnginePtr createOutputEngine(std::string const & name) {
+#ifdef HAVE_OUTPUT_DUMMY
+	if (name == "dummy") {
+		return std::make_unique<DummyOutputEngine>();
+	}
+#endif
 #ifdef HAVE_OUTPUT_WAVFILE
 	if (name == "wavfile") {
 		return std::make_unique<WavfileOutputEngine>();
@@ -67,7 +81,7 @@ OutputEnginePtr createOutputEngine(std::string const & name) {
 		return std::make_unique<AlsaOutputEngine>();
 	}
 #endif
-
+	
 	// todo: add more engines
 	
 	printf("Unsupported output engine: %s\n", name.c_str());
diff --git a/drumgizmo/input/inputdummy.cc b/drumgizmo/input/inputdummy.cc
new file mode 100644
index 0000000..a994a1e
--- /dev/null
+++ b/drumgizmo/input/inputdummy.cc
@@ -0,0 +1,58 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            dummy.cc
+ *
+ *  Fr 22. Jan 08:14:58 CET 2016
+ *  Copyright 2016 Christian Glöckner
+ *  cgloeckner@freenet.de
+ ****************************************************************************/
+
+/*
+ *  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 "inputdummy.h"
+
+DummyInputEngine::DummyInputEngine() {
+}
+
+DummyInputEngine::~DummyInputEngine() {
+}
+
+bool DummyInputEngine::init(Instruments& instruments) {
+	return true;
+}
+
+void DummyInputEngine::setParm(std::string parm, std::string value) {
+}
+
+bool DummyInputEngine::start() {
+	return true;
+}
+
+void DummyInputEngine::stop() {
+}
+
+void DummyInputEngine::pre() {
+}
+
+event_t* DummyInputEngine::run(size_t pos, size_t len, size_t *nevents) {
+	nevents = 0u;
+	return nullptr;
+}
+
+void DummyInputEngine::post() {
+}
diff --git a/drumgizmo/input/inputdummy.h b/drumgizmo/input/inputdummy.h
new file mode 100644
index 0000000..ef59e3f
--- /dev/null
+++ b/drumgizmo/input/inputdummy.h
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            dummy.h
+ *
+ *  Fr 22. Jan 08:14:58 CET 2016
+ *  Copyright 2016 Christian Glöckner
+ *  cgloeckner@freenet.de
+ ****************************************************************************/
+
+/*
+ *  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.
+ */
+#pragma once
+#include <audioinputengine.h>
+
+class DummyInputEngine
+	: public AudioInputEngine {
+	public:
+		DummyInputEngine();
+		~DummyInputEngine();
+		
+		// based on AudioInputEngine
+		bool init(Instruments &instruments) override;
+		void setParm(std::string parm, std::string value) override;
+		bool start() override;
+		void stop() override;
+		void pre() override;
+		event_t* run(size_t pos, size_t len, size_t* nevents) override;
+		void post() override;
+};
diff --git a/drumgizmo/output/outputdummy.cc b/drumgizmo/output/outputdummy.cc
new file mode 100644
index 0000000..7f62a3d
--- /dev/null
+++ b/drumgizmo/output/outputdummy.cc
@@ -0,0 +1,56 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            dummy.cc
+ *
+ *  Fr 22. Jan 08:15:04 CET 2016
+ *  Copyright 2016 Christian Glöckner
+ *  cgloeckner@freenet.de
+ ****************************************************************************/
+
+/*
+ *  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 "outputdummy.h"
+
+DummyOutputEngine::DummyOutputEngine() {
+}
+
+DummyOutputEngine::~DummyOutputEngine() {
+}
+
+bool DummyOutputEngine::init(Channels data) {
+	return true;
+}
+
+void DummyOutputEngine::setParm(std::string parm, std::string value) {
+}
+
+bool DummyOutputEngine::start() {
+	return true;
+}
+
+void DummyOutputEngine::stop() {
+}
+
+void DummyOutputEngine::pre(size_t nsamples) {
+}
+
+void DummyOutputEngine::run(int ch, sample_t* samples, size_t nsamples) {
+}
+
+void DummyOutputEngine::post(size_t nsamples) {
+}
diff --git a/drumgizmo/output/outputdummy.h b/drumgizmo/output/outputdummy.h
new file mode 100644
index 0000000..758a47a
--- /dev/null
+++ b/drumgizmo/output/outputdummy.h
@@ -0,0 +1,44 @@
+/* -*- Mode: C++; tab-width: 2; indent-tabs-mode: nil; c-basic-offset: 2 -*- */
+/***************************************************************************
+ *            dummy.h
+ *
+ *  Fr 22. Jan 08:15:04 CET 2016
+ *  Copyright 2016 Christian Glöckner
+ *  cgloeckner@freenet.de
+ ****************************************************************************/
+
+/*
+ *  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.
+ */
+#pragma once
+#include "audiooutputengine.h"
+
+class DummyOutputEngine
+	: public AudioOutputEngine {
+	public:
+		DummyOutputEngine();
+		~DummyOutputEngine();
+		
+		// based on AudioOutputEngine
+		bool init(Channels chan) override;
+		void setParm(std::string parm, std::string value) override;
+		bool start() override;
+		void stop() override;
+		void pre(size_t nsamples) override;
+		void run(int ch, sample_t* samples, size_t nsamples) override;
+		void post(size_t nsamples) override;
+};