diff --git a/src/modules/meson.build b/src/modules/meson.build
index 375b04205..038b76596 100644
--- a/src/modules/meson.build
+++ b/src/modules/meson.build
@@ -24,6 +24,16 @@ pipewire_module_loopback = shared_library('pipewire-module-loopback',
   dependencies : [mathlib, dl_lib, pipewire_dep],
 )
 
+pipewire_module_ladspa_filter = shared_library('pipewire-module-ladspa-filter',
+  [ 'module-ladspa-filter.c' ],
+  c_args : pipewire_module_c_args,
+  include_directories : [configinc, spa_inc],
+  install : true,
+  install_dir : modules_install_dir,
+  install_rpath: modules_install_dir,
+  dependencies : [mathlib, dl_lib, pipewire_dep],
+)
+
 pipewire_module_echo_cancel = shared_library('pipewire-module-echo-cancel',
   [ 'module-echo-cancel.c',
     'module-echo-cancel/aec-null.c',
diff --git a/src/modules/module-ladspa-filter.c b/src/modules/module-ladspa-filter.c
new file mode 100644
index 000000000..de2cb779c
--- /dev/null
+++ b/src/modules/module-ladspa-filter.c
@@ -0,0 +1,639 @@
+/* PipeWire
+ *
+ * Copyright © 2021 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 <string.h>
+#include <stdio.h>
+#include <errno.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <dlfcn.h>
+#include <unistd.h>
+
+#include "config.h"
+
+#include <ladspa.h>
+
+#include <spa/utils/result.h>
+#include <spa/utils/json.h>
+#include <spa/param/profiler.h>
+#include <spa/debug/pod.h>
+
+#include <pipewire/private.h>
+#include <pipewire/impl.h>
+#include <extensions/profiler.h>
+
+#define NAME "ladspa-filter"
+
+static const struct spa_dict_item module_props[] = {
+	{ PW_KEY_MODULE_AUTHOR, "Wim Taymans <wim.taymans@gmail.com>" },
+	{ PW_KEY_MODULE_DESCRIPTION, "Create ladspa filter streams" },
+	{ PW_KEY_MODULE_USAGE, " [ remote.name=<remote> ] "
+				"[ node.latency=<latency as fraction> ] "
+				"[ node.name=<name of the nodes> ] "
+				"[ node.description=<description of the nodes> ] "
+				"[ audio.rate=<sample rate> ] "
+				"[ audio.channels=<number of channels> ] "
+				"[ audio.position=<channel map> ] "
+				"ladspa.plugin=<plugin name> "
+				"ladspa.label=<label name> "
+				"ladspa.control = [ { name="" value=0.0 } ,... ] "
+				"ladspa.inputs = [ <name>... ] "
+				"ladspa.outputs = [ <name>... ] "
+				"[ capture.props=<properties> ] "
+				"[ playback.props=<properties> ] " },
+	{ PW_KEY_MODULE_VERSION, PACKAGE_VERSION },
+};
+
+#include <unistd.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <signal.h>
+#include <getopt.h>
+#include <limits.h>
+#include <math.h>
+
+#include <spa/utils/result.h>
+#include <spa/pod/builder.h>
+#include <spa/param/audio/format-utils.h>
+#include <spa/param/audio/raw.h>
+
+#include <pipewire/pipewire.h>
+
+#define MAX_PORTS 64
+
+struct impl {
+	struct pw_context *context;
+
+	struct pw_impl_module *module;
+	struct pw_work_queue *work;
+
+	struct spa_hook module_listener;
+
+	struct pw_core *core;
+	struct spa_hook core_proxy_listener;
+	struct spa_hook core_listener;
+
+	struct pw_properties *capture_props;
+	struct pw_stream *capture;
+	struct spa_hook capture_listener;
+	struct spa_audio_info_raw capture_info;
+
+	struct pw_properties *playback_props;
+	struct pw_stream *playback;
+	struct spa_hook playback_listener;
+	struct spa_audio_info_raw playback_info;
+
+	unsigned int do_disconnect:1;
+	unsigned int unloading:1;
+
+	uint32_t rate;
+
+	void *handle;
+	uint32_t n_input;
+	uint32_t n_output;
+	uint32_t n_control;
+	uint32_t n_notify;
+	unsigned long input[MAX_PORTS];
+	unsigned long output[MAX_PORTS];
+	unsigned long control[MAX_PORTS];
+	unsigned long notify[MAX_PORTS];
+	const LADSPA_Descriptor *desc;
+	LADSPA_Handle hndl;
+	LADSPA_Data control_data[MAX_PORTS];
+	LADSPA_Data notify_data[MAX_PORTS];
+};
+
+static void do_unload_module(void *obj, void *data, int res, uint32_t id)
+{
+	struct impl *impl = data;
+	pw_impl_module_destroy(impl->module);
+}
+static void unload_module(struct impl *impl)
+{
+	if (!impl->unloading) {
+		impl->unloading = true;
+		pw_work_queue_add(impl->work, impl, 0, do_unload_module, impl);
+	}
+}
+
+static void capture_destroy(void *d)
+{
+	struct impl *impl = d;
+	spa_hook_remove(&impl->capture_listener);
+	impl->capture = NULL;
+}
+
+static void capture_process(void *d)
+{
+	struct impl *impl = d;
+	struct pw_buffer *in, *out;
+	uint32_t i;
+	uint32_t size = 0;
+	int32_t stride = 0;
+	const LADSPA_Descriptor *desc = impl->desc;
+
+	if ((in = pw_stream_dequeue_buffer(impl->capture)) == NULL)
+		pw_log_warn("out of capture buffers: %m");
+
+	if ((out = pw_stream_dequeue_buffer(impl->playback)) == NULL)
+		pw_log_warn("out of playback buffers: %m");
+
+	if (in == NULL || out == NULL)
+		goto done;
+
+	for (i = 0; i < in->buffer->n_datas; i++) {
+		struct spa_data *ds = &in->buffer->datas[i];
+		desc->connect_port(impl->hndl, impl->input[i],
+					SPA_MEMBER(ds->data, ds->chunk->offset, void));
+		size = SPA_MAX(size, ds->chunk->size);
+		stride = SPA_MAX(stride, ds->chunk->stride);
+	}
+	for (i = 0; i < out->buffer->n_datas; i++) {
+		struct spa_data *dd = &out->buffer->datas[i];
+		desc->connect_port(impl->hndl, impl->output[i], dd->data);
+		dd->chunk->offset = 0;
+		dd->chunk->size = size;
+		dd->chunk->stride = stride;
+	}
+
+	desc->run(impl->hndl, size / sizeof(float));
+
+done:
+	if (in != NULL)
+		pw_stream_queue_buffer(impl->capture, in);
+	if (out != NULL)
+		pw_stream_queue_buffer(impl->playback, out);
+}
+
+static const struct pw_stream_events in_stream_events = {
+	PW_VERSION_STREAM_EVENTS,
+	.destroy = capture_destroy,
+	.process = capture_process
+};
+
+static void playback_destroy(void *d)
+{
+	struct impl *impl = d;
+	spa_hook_remove(&impl->playback_listener);
+	impl->playback = NULL;
+}
+
+static const struct pw_stream_events out_stream_events = {
+	PW_VERSION_STREAM_EVENTS,
+	.destroy = playback_destroy
+};
+
+static int setup_streams(struct impl *impl)
+{
+	int res;
+	uint32_t n_params;
+	const struct spa_pod *params[1];
+	uint8_t buffer[1024];
+	struct spa_pod_builder b;
+
+	impl->capture = pw_stream_new(impl->core,
+			"loopback capture", impl->capture_props);
+	impl->capture_props = NULL;
+	if (impl->capture == NULL)
+		return -errno;
+
+	pw_stream_add_listener(impl->capture,
+			&impl->capture_listener,
+			&in_stream_events, impl);
+
+	impl->playback = pw_stream_new(impl->core,
+			"loopback playback", impl->playback_props);
+	impl->playback_props = NULL;
+	if (impl->playback == NULL)
+		return -errno;
+
+	pw_stream_add_listener(impl->playback,
+			&impl->playback_listener,
+			&out_stream_events, impl);
+
+	n_params = 0;
+	spa_pod_builder_init(&b, buffer, sizeof(buffer));
+	params[n_params++] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat,
+			&impl->capture_info);
+
+	if ((res = pw_stream_connect(impl->capture,
+			PW_DIRECTION_INPUT,
+			PW_ID_ANY,
+			PW_STREAM_FLAG_AUTOCONNECT |
+			PW_STREAM_FLAG_MAP_BUFFERS |
+			PW_STREAM_FLAG_RT_PROCESS,
+			params, n_params)) < 0)
+		return res;
+
+	n_params = 0;
+	spa_pod_builder_init(&b, buffer, sizeof(buffer));
+	params[n_params++] = spa_format_audio_raw_build(&b, SPA_PARAM_EnumFormat,
+			&impl->playback_info);
+
+	if ((res = pw_stream_connect(impl->playback,
+			PW_DIRECTION_OUTPUT,
+			PW_ID_ANY,
+			PW_STREAM_FLAG_AUTOCONNECT |
+			PW_STREAM_FLAG_MAP_BUFFERS |
+			PW_STREAM_FLAG_RT_PROCESS,
+			params, n_params)) < 0)
+		return res;
+
+	return 0;
+}
+
+static float get_default(struct impl *impl, uint32_t p)
+{
+	const LADSPA_Descriptor *d = impl->desc;
+	LADSPA_PortRangeHintDescriptor hint = d->PortRangeHints[p].HintDescriptor;
+	LADSPA_Data lower, upper, def;
+
+	lower = d->PortRangeHints[p].LowerBound;
+	upper = d->PortRangeHints[p].UpperBound;
+
+	if (LADSPA_IS_HINT_SAMPLE_RATE(hint)) {
+		lower *= (LADSPA_Data) impl->rate;
+		upper *= (LADSPA_Data) impl->rate;
+	}
+
+	switch (hint & LADSPA_HINT_DEFAULT_MASK) {
+	case LADSPA_HINT_DEFAULT_MINIMUM:
+		def =  lower;
+		break;
+	case LADSPA_HINT_DEFAULT_MAXIMUM:
+		def = upper;
+		break;
+	case LADSPA_HINT_DEFAULT_LOW:
+		if (LADSPA_IS_HINT_LOGARITHMIC(hint))
+			def = (LADSPA_Data) exp(log(lower) * 0.75 + log(upper) * 0.25);
+		else
+			def = (LADSPA_Data) (lower * 0.75 + upper * 0.25);
+		break;
+	case LADSPA_HINT_DEFAULT_MIDDLE:
+		if (LADSPA_IS_HINT_LOGARITHMIC(hint))
+			def = (LADSPA_Data) exp(log(lower) * 0.5 + log(upper) * 0.5);
+		else
+			def = (LADSPA_Data) (lower * 0.5 + upper * 0.5);
+		break;
+	case LADSPA_HINT_DEFAULT_HIGH:
+		if (LADSPA_IS_HINT_LOGARITHMIC(hint))
+			def = (LADSPA_Data) exp(log(lower) * 0.25 + log(upper) * 0.75);
+		else
+			def = (LADSPA_Data) (lower * 0.25 + upper * 0.75);
+		break;
+	case LADSPA_HINT_DEFAULT_0:
+		def = 0;
+		break;
+	case LADSPA_HINT_DEFAULT_1:
+		def = 1;
+		break;
+	case LADSPA_HINT_DEFAULT_100:
+		def = 100;
+		break;
+	case LADSPA_HINT_DEFAULT_440:
+		def = 440;
+		break;
+	default:
+		def = 0;
+		break;
+	}
+	if (LADSPA_IS_HINT_INTEGER(hint))
+		def = roundf(def);
+	return def;
+}
+
+static const LADSPA_Descriptor *find_descriptor(LADSPA_Descriptor_Function desc_func,
+		const char *label)
+{
+	unsigned long i;
+
+	for (i = 0; ;i++) {
+		const LADSPA_Descriptor *desc = desc_func(i);
+		if (desc == NULL)
+			break;
+		if (strcmp(desc->Label, label) == 0)
+			return desc;
+	}
+	return NULL;
+}
+
+static int load_ladspa(struct impl *impl, struct pw_properties *props)
+{
+	char path[PATH_MAX];
+	const char *e, *p, *label;
+	LADSPA_Descriptor_Function desc_func;
+	const LADSPA_Descriptor *d;
+	uint32_t i;
+	int res;
+
+	if ((e = getenv("LADSPA_PATH")) == NULL)
+		e = "/usr/lib64/ladspa";
+
+	if ((p = pw_properties_get(props, "ladspa.plugin")) == NULL)
+		return -EINVAL;
+	if ((label = pw_properties_get(props, "ladspa.label")) == NULL)
+		return -EINVAL;
+
+	snprintf(path, sizeof(path), "%s/%s.so", e, p);
+
+	impl->handle = dlopen(path, RTLD_NOW);
+	if (impl->handle == NULL) {
+		pw_log_error("plugin dlopen failed %s: %s", path, dlerror());
+		res = -ENOENT;
+		goto exit;
+	}
+
+	desc_func = (LADSPA_Descriptor_Function)dlsym(impl->handle,
+                                                      "ladspa_descriptor");
+
+	if (desc_func == NULL) {
+		pw_log_error("cannot find descriptor function from %s: %s",
+                       path, dlerror());
+		res = -ENOSYS;
+		goto exit;
+	}
+	if ((d = find_descriptor(desc_func, label)) == NULL) {
+		pw_log_error("cannot find label %s", label);
+		res = -ENOENT;
+		goto exit;
+	}
+
+	pw_properties_setf(props, "ladspa.unique-id", "%lu", d->UniqueID);
+	pw_properties_setf(props, "ladspa.name", "%s", d->Name);
+	pw_properties_setf(props, "ladspa.maker", "%s", d->Maker);
+	pw_properties_setf(props, "ladspa.copyright", "%s", d->Copyright);
+
+	if ((impl->hndl = d->instantiate(d, impl->rate)) == NULL)
+		return -ENOMEM;
+
+	impl->desc = d;
+
+	for (i = 0; i < d->PortCount; i++) {
+		if (LADSPA_IS_PORT_AUDIO(d->PortDescriptors[i])) {
+			if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[i]))
+				impl->input[impl->n_input++] = i;
+			else if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[i]))
+				impl->output[impl->n_output++] = i;
+		} else if (LADSPA_IS_PORT_CONTROL(d->PortDescriptors[i])) {
+			if (LADSPA_IS_PORT_INPUT(d->PortDescriptors[i])) {
+				impl->control[impl->n_control] = i;
+				impl->control_data[impl->n_control] = get_default(impl, i);
+				d->connect_port(impl->hndl, i, &impl->control_data[impl->n_control]);
+				impl->n_control++;
+			}
+			else if (LADSPA_IS_PORT_OUTPUT(d->PortDescriptors[i])) {
+				impl->notify[impl->n_notify++] = i;
+				d->connect_port(impl->hndl, i, &impl->notify_data[i]);
+			}
+		}
+	}
+
+	if (d->activate)
+		d->activate(impl->hndl);
+
+
+	return 0;
+
+exit:
+	if (impl->handle != NULL)
+		dlclose(impl->handle);
+	impl->handle = NULL;
+	return res;
+}
+
+static void core_error(void *data, uint32_t id, int seq, int res, const char *message)
+{
+	struct impl *impl = data;
+
+	pw_log_error("error id:%u seq:%d res:%d (%s): %s",
+			id, seq, res, spa_strerror(res), message);
+
+	if (id == PW_ID_CORE && res == -EPIPE)
+		unload_module(impl);
+}
+
+static const struct pw_core_events core_events = {
+	PW_VERSION_CORE_EVENTS,
+	.error = core_error,
+};
+
+static void core_destroy(void *d)
+{
+	struct impl *impl = d;
+	spa_hook_remove(&impl->core_listener);
+	impl->core = NULL;
+	unload_module(impl);
+}
+
+static const struct pw_proxy_events core_proxy_events = {
+	.destroy = core_destroy,
+};
+
+static void impl_destroy(struct impl *impl)
+{
+	if (impl->capture)
+		pw_stream_destroy(impl->capture);
+	if (impl->playback)
+		pw_stream_destroy(impl->playback);
+	if (impl->core && impl->do_disconnect)
+		pw_core_disconnect(impl->core);
+	if (impl->capture_props)
+		pw_properties_free(impl->capture_props);
+	if (impl->playback_props)
+		pw_properties_free(impl->playback_props);
+	pw_work_queue_cancel(impl->work, impl, SPA_ID_INVALID);
+	free(impl);
+}
+
+static void module_destroy(void *data)
+{
+	struct impl *impl = data;
+	impl->unloading = true;
+	spa_hook_remove(&impl->module_listener);
+	impl_destroy(impl);
+}
+
+static const struct pw_impl_module_events module_events = {
+	PW_VERSION_IMPL_MODULE_EVENTS,
+	.destroy = module_destroy,
+};
+
+static uint32_t channel_from_name(const char *name)
+{
+	int i;
+	for (i = 0; spa_type_audio_channel[i].name; i++) {
+		if (strcmp(name, spa_debug_type_short_name(spa_type_audio_channel[i].name)) == 0)
+			return spa_type_audio_channel[i].type;
+	}
+	return SPA_AUDIO_CHANNEL_UNKNOWN;
+}
+
+static void parse_position(struct spa_audio_info_raw *info, const char *val, size_t len)
+{
+	struct spa_json it[2];
+	char v[256];
+
+	spa_json_init(&it[0], val, len);
+        if (spa_json_enter_array(&it[0], &it[1]) <= 0)
+                spa_json_init(&it[1], val, len);
+
+	info->channels = 0;
+	while (spa_json_get_string(&it[1], v, sizeof(v)) > 0 &&
+	    info->channels < SPA_AUDIO_MAX_CHANNELS) {
+		info->position[info->channels++] = channel_from_name(v);
+	}
+}
+
+static void parse_audio_info(struct pw_properties *props, struct spa_audio_info_raw *info)
+{
+	const char *str;
+
+	*info = SPA_AUDIO_INFO_RAW_INIT(
+			.format = SPA_AUDIO_FORMAT_F32P);
+	if ((str = pw_properties_get(props, PW_KEY_AUDIO_RATE)) != NULL)
+		info->rate = atoi(str);
+	if ((str = pw_properties_get(props, PW_KEY_AUDIO_CHANNELS)) != NULL)
+		info->channels = atoi(str);
+	if ((str = pw_properties_get(props, SPA_KEY_AUDIO_POSITION)) != NULL)
+		parse_position(info, str, strlen(str));
+}
+
+static void copy_props(struct impl *impl, struct pw_properties *props, const char *key)
+{
+	const char *str;
+	if ((str = pw_properties_get(props, key)) != NULL) {
+		if (pw_properties_get(impl->capture_props, key) == NULL)
+			pw_properties_set(impl->capture_props, key, str);
+		if (pw_properties_get(impl->playback_props, key) == NULL)
+			pw_properties_set(impl->playback_props, key, str);
+	}
+}
+
+SPA_EXPORT
+int pipewire__module_init(struct pw_impl_module *module, const char *args)
+{
+	struct pw_context *context = pw_impl_module_get_context(module);
+	struct pw_properties *props;
+	struct impl *impl;
+	uint32_t id = pw_global_get_id(pw_impl_module_get_global(module));
+	const char *str;
+	int res;
+
+	impl = calloc(1, sizeof(struct impl));
+	if (impl == NULL)
+		return -errno;
+
+	pw_log_debug("module %p: new %s", impl, args);
+
+	if (args)
+		props = pw_properties_new_string(args);
+	else
+		props = pw_properties_new(NULL, NULL);
+
+	if (props == NULL) {
+		res = -errno;
+		pw_log_error( "can't create properties: %m");
+		goto error;
+	}
+
+	impl->capture_props = pw_properties_new(NULL, NULL);
+	impl->playback_props = pw_properties_new(NULL, NULL);
+	if (impl->capture_props == NULL || impl->playback_props == NULL) {
+		res = -errno;
+		pw_log_error( "can't create properties: %m");
+		goto error;
+	}
+
+	impl->module = module;
+	impl->context = context;
+	impl->work = pw_context_get_work_queue(context);
+	impl->rate = 48000;
+
+	if (pw_properties_get(props, PW_KEY_NODE_GROUP) == NULL)
+		pw_properties_setf(props, PW_KEY_NODE_GROUP, "ladspa-filter-%u", id);
+	if (pw_properties_get(props, PW_KEY_NODE_VIRTUAL) == NULL)
+		pw_properties_set(props, PW_KEY_NODE_VIRTUAL, "true");
+
+	if ((str = pw_properties_get(props, "capture.props")) != NULL)
+		pw_properties_update_string(impl->capture_props, str, strlen(str));
+	if ((str = pw_properties_get(props, "playback.props")) != NULL)
+		pw_properties_update_string(impl->playback_props, str, strlen(str));
+
+	copy_props(impl, props, PW_KEY_AUDIO_RATE);
+	copy_props(impl, props, PW_KEY_AUDIO_CHANNELS);
+	copy_props(impl, props, SPA_KEY_AUDIO_POSITION);
+	copy_props(impl, props, PW_KEY_NODE_NAME);
+	copy_props(impl, props, PW_KEY_NODE_DESCRIPTION);
+	copy_props(impl, props, PW_KEY_NODE_GROUP);
+	copy_props(impl, props, PW_KEY_NODE_LATENCY);
+	copy_props(impl, props, PW_KEY_NODE_VIRTUAL);
+
+	parse_audio_info(impl->capture_props, &impl->capture_info);
+	parse_audio_info(impl->playback_props, &impl->playback_info);
+
+	if ((res = load_ladspa(impl, props)) < 0) {
+		pw_log_error("can't load ladspa: %s", spa_strerror(res));
+		goto error;
+	}
+
+	impl->core = pw_context_get_object(impl->context, PW_TYPE_INTERFACE_Core);
+	if (impl->core == NULL) {
+		str = pw_properties_get(props, PW_KEY_REMOTE_NAME);
+		impl->core = pw_context_connect(impl->context,
+				pw_properties_new(
+					PW_KEY_REMOTE_NAME, str,
+					NULL),
+				0);
+		impl->do_disconnect = true;
+	}
+	if (impl->core == NULL) {
+		res = -errno;
+		pw_log_error("can't connect: %m");
+		goto error;
+	}
+
+	pw_properties_free(props);
+
+	pw_proxy_add_listener((struct pw_proxy*)impl->core,
+			&impl->core_proxy_listener,
+			&core_proxy_events, impl);
+	pw_core_add_listener(impl->core,
+			&impl->core_listener,
+			&core_events, impl);
+
+	setup_streams(impl);
+
+	pw_impl_module_add_listener(module, &impl->module_listener, &module_events, impl);
+
+	pw_impl_module_update_properties(module, &SPA_DICT_INIT_ARRAY(module_props));
+
+	return 0;
+
+error:
+	if (props)
+		pw_properties_free(props);
+	impl_destroy(impl);
+	return res;
+}