jack: add dummy jacknet implementation

So that applications can link to libjacknet

Fixes #2043

pipewire-jack/src/meson.build

@@ -11,10 +11,9 @@ pipewire_jackserver_sources += [
   'control.c',
 ]
 
-pipewire_dummy_sources = [
-  'dummy.c',
+pipewire_net_sources = [
+  'net.c',
 ]
-
 pipewire_jack_c_args = [
   '-DPIC',
 ]
@@ -58,7 +57,7 @@ pipewire_jackserver = shared_library('jackserver',
 )
 
 pipewire_jacknet = shared_library('jacknet',
-    pipewire_dummy_sources,
+    pipewire_net_sources,
     soversion : soversion,
     version : libversion,
     c_args : pipewire_jack_c_args,

pipewire-jack/src/net.c

@@ -0,0 +1,169 @@
+/* PipeWire
+ *
+ * Copyright © 2022 Wim Taymans
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
+ * DEALINGS IN THE SOFTWARE.
+ */
+
+#include "config.h"
+
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+
+#include <jack/net.h>
+
+#include <pipewire/pipewire.h>
+
+SPA_EXPORT
+jack_net_slave_t* jack_net_slave_open(const char* ip, int port, const char* name,
+		jack_slave_t* request, jack_master_t* result)
+{
+	return NULL;
+}
+
+SPA_EXPORT
+int jack_net_slave_close(jack_net_slave_t* net)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_set_net_slave_process_callback(jack_net_slave_t * net, JackNetSlaveProcessCallback net_callback, void *arg)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_net_slave_activate(jack_net_slave_t* net)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_net_slave_deactivate(jack_net_slave_t* net)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_net_slave_is_active(jack_net_slave_t* net)
+{
+	return false;
+}
+
+SPA_EXPORT
+int jack_set_net_slave_buffer_size_callback(jack_net_slave_t *net, JackNetSlaveBufferSizeCallback bufsize_callback, void *arg)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_set_net_slave_sample_rate_callback(jack_net_slave_t *net, JackNetSlaveSampleRateCallback samplerate_callback, void *arg)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_set_net_slave_shutdown_callback(jack_net_slave_t *net, JackNetSlaveShutdownCallback shutdown_callback, void *arg)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_set_net_slave_restart_callback(jack_net_slave_t *net, JackNetSlaveRestartCallback restart_callback, void *arg)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_set_net_slave_error_callback(jack_net_slave_t *net, JackNetSlaveErrorCallback error_callback, void *arg)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+jack_net_master_t* jack_net_master_open(const char* ip, int port, jack_master_t* request, jack_slave_t* result)
+{
+	return NULL;
+}
+
+SPA_EXPORT
+int jack_net_master_close(jack_net_master_t* net)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_net_master_recv(jack_net_master_t* net, int audio_input, float** audio_input_buffer, int midi_input, void** midi_input_buffer)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_net_master_recv_slice(jack_net_master_t* net, int audio_input, float** audio_input_buffer, int midi_input, void** midi_input_buffer, int frames)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_net_master_send(jack_net_master_t* net, int audio_output, float** audio_output_buffer, int midi_output, void** midi_output_buffer)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_net_master_send_slice(jack_net_master_t* net, int audio_output, float** audio_output_buffer, int midi_output, void** midi_output_buffer, int frames)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+jack_adapter_t* jack_create_adapter(int input, int output,
+                                    jack_nframes_t host_buffer_size,
+                                    jack_nframes_t host_sample_rate,
+                                    jack_nframes_t adapted_buffer_size,
+                                    jack_nframes_t adapted_sample_rate)
+{
+	return NULL;
+}
+
+SPA_EXPORT
+int jack_destroy_adapter(jack_adapter_t* adapter)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+void jack_flush_adapter(jack_adapter_t* adapter)
+{
+}
+
+SPA_EXPORT
+int jack_adapter_push_and_pull(jack_adapter_t* adapter, float** input, float** output, unsigned int frames)
+{
+	return ENOTSUP;
+}
+
+SPA_EXPORT
+int jack_adapter_pull_and_push(jack_adapter_t* adapter, float** input, float** output, unsigned int frames)
+{
+	return ENOTSUP;
+}