diff --git a/pinos/modules/spa/spa-videotestsrc.c b/pinos/modules/spa/spa-videotestsrc.c
new file mode 100644
index 000000000..ec896ff4b
--- /dev/null
+++ b/pinos/modules/spa/spa-videotestsrc.c
@@ -0,0 +1,168 @@
+/* Pinos
+ * Copyright (C) 2016 Axis Communications AB
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#define _GNU_SOURCE
+
+#include <dlfcn.h>
+
+#include <spa/include/spa/node.h>
+#include <spa/include/spa/video/format.h>
+
+#include "spa-videotestsrc.h"
+
+#define PINOS_SPA_VIDEOTESTSRC_GET_PRIVATE(obj)  \
+     (G_TYPE_INSTANCE_GET_PRIVATE ((obj), PINOS_TYPE_SPA_VIDEOTESTSRC, PinosSpaVideoTestSrcPrivate))
+
+struct _PinosSpaVideoTestSrcPrivate
+{
+  gint dummy;
+};
+
+enum {
+  PROP_0,
+};
+
+G_DEFINE_TYPE (PinosSpaVideoTestSrc, pinos_spa_videotestsrc, PINOS_TYPE_NODE);
+
+static SpaResult
+make_node (SpaNode **node, const char *lib, const char *name)
+{
+  SpaHandle *handle;
+  SpaResult res;
+  void *hnd, *state = NULL;
+  SpaEnumHandleFactoryFunc enum_func;
+
+  if ((hnd = dlopen (lib, RTLD_NOW)) == NULL) {
+    g_error ("can't load %s: %s", lib, dlerror());
+    return SPA_RESULT_ERROR;
+  }
+  if ((enum_func = dlsym (hnd, "spa_enum_handle_factory")) == NULL) {
+    g_error ("can't find enum function");
+    return SPA_RESULT_ERROR;
+  }
+
+  while (true) {
+    const SpaHandleFactory *factory;
+    void *iface;
+
+    if ((res = enum_func (&factory, &state)) < 0) {
+      if (res != SPA_RESULT_ENUM_END)
+        g_error ("can't enumerate factories: %d", res);
+      break;
+    }
+    if (strcmp (factory->name, name))
+      continue;
+
+    handle = calloc (1, factory->size);
+    if ((res = factory->init (factory, handle, NULL)) < 0) {
+      g_error ("can't make factory instance: %d", res);
+      return res;
+    }
+    if ((res = handle->get_interface (handle, SPA_INTERFACE_ID_NODE, &iface)) < 0) {
+      g_error ("can't get interface %d", res);
+      return res;
+    }
+    *node = iface;
+    return SPA_RESULT_OK;
+  }
+  return SPA_RESULT_ERROR;
+}
+
+static void
+get_property (GObject    *object,
+              guint       prop_id,
+              GValue     *value,
+              GParamSpec *pspec)
+{
+  switch (prop_id) {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+set_property (GObject      *object,
+              guint         prop_id,
+              const GValue *value,
+              GParamSpec   *pspec)
+{
+  switch (prop_id) {
+    default:
+      G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec);
+      break;
+  }
+}
+
+static void
+source_finalize (GObject * object)
+{
+  PinosNode *node = PINOS_NODE (object);
+  PinosSpaVideoTestSrc *source = PINOS_SPA_VIDEOTESTSRC (object);
+
+  g_debug ("spa-source %p: dispose", source);
+  spa_handle_clear (node->node->handle);
+  g_free (node->node->handle);
+
+  G_OBJECT_CLASS (pinos_spa_videotestsrc_parent_class)->finalize (object);
+}
+
+static void
+pinos_spa_videotestsrc_class_init (PinosSpaVideoTestSrcClass * klass)
+{
+  GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (PinosSpaVideoTestSrcPrivate));
+
+  gobject_class->finalize = source_finalize;
+  gobject_class->get_property = get_property;
+  gobject_class->set_property = set_property;
+}
+
+static void
+pinos_spa_videotestsrc_init (PinosSpaVideoTestSrc * source)
+{
+  source->priv = PINOS_SPA_VIDEOTESTSRC_GET_PRIVATE (source);
+}
+
+PinosNode *
+pinos_spa_videotestsrc_new (PinosDaemon *daemon,
+                            const gchar *name,
+                            PinosProperties *properties)
+{
+  PinosNode *node;
+  SpaNode *n;
+  SpaResult res;
+
+  if ((res = make_node (&n,
+                        "spa/build/plugins/videotestsrc/libspa-videotestsrc.so",
+                        "videotestsrc")) < 0) {
+    g_error ("can't create videotestsrc: %d", res);
+    return NULL;
+  }
+
+  node = g_object_new (PINOS_TYPE_SPA_VIDEOTESTSRC,
+                       "daemon", daemon,
+                       "name", name,
+                       "properties", properties,
+                       "node", n,
+                       NULL);
+
+  return node;
+}
diff --git a/pinos/modules/spa/spa-videotestsrc.h b/pinos/modules/spa/spa-videotestsrc.h
new file mode 100644
index 000000000..c8aae3706
--- /dev/null
+++ b/pinos/modules/spa/spa-videotestsrc.h
@@ -0,0 +1,61 @@
+/* Pinos
+ * Copyright (C) 2016 Axis Communications AB
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#ifndef __PINOS_SPA_VIDEOTESTSRC_H__
+#define __PINOS_SPA_VIDEOTESTSRC_H__
+
+#include <glib-object.h>
+
+#include <client/pinos.h>
+#include <server/node.h>
+
+G_BEGIN_DECLS
+
+#define PINOS_TYPE_SPA_VIDEOTESTSRC                 (pinos_spa_videotestsrc_get_type ())
+#define PINOS_IS_SPA_VIDEOTESTSRC(obj)              (G_TYPE_CHECK_INSTANCE_TYPE ((obj), PINOS_TYPE_SPA_VIDEOTESTSRC))
+#define PINOS_IS_SPA_VIDEOTESTSRC_CLASS(klass)      (G_TYPE_CHECK_CLASS_TYPE ((klass), PINOS_TYPE_SPA_VIDEOTESTSRC))
+#define PINOS_SPA_VIDEOTESTSRC_GET_CLASS(obj)       (G_TYPE_INSTANCE_GET_CLASS ((obj), PINOS_TYPE_SPA_VIDEOTESTSRC, PinosSpaVideoTestSrcClass))
+#define PINOS_SPA_VIDEOTESTSRC(obj)                 (G_TYPE_CHECK_INSTANCE_CAST ((obj), PINOS_TYPE_SPA_VIDEOTESTSRC, PinosSpaVideoTestSrc))
+#define PINOS_SPA_VIDEOTESTSRC_CLASS(klass)         (G_TYPE_CHECK_CLASS_CAST ((klass), PINOS_TYPE_SPA_VIDEOTESTSRC, PinosSpaVideoTestSrcClass))
+#define PINOS_SPA_VIDEOTESTSRC_CAST(obj)            ((PinosSpaVideoTestSrc*)(obj))
+#define PINOS_SPA_VIDEOTESTSRC_CLASS_CAST(klass)    ((PinosSpaVideoTestSrcClass*)(klass))
+
+typedef struct _PinosSpaVideoTestSrc PinosSpaVideoTestSrc;
+typedef struct _PinosSpaVideoTestSrcClass PinosSpaVideoTestSrcClass;
+typedef struct _PinosSpaVideoTestSrcPrivate PinosSpaVideoTestSrcPrivate;
+
+struct _PinosSpaVideoTestSrc {
+  PinosNode object;
+
+  PinosSpaVideoTestSrcPrivate *priv;
+};
+
+struct _PinosSpaVideoTestSrcClass {
+  PinosNodeClass parent_class;
+};
+
+GType             pinos_spa_videotestsrc_get_type (void);
+
+PinosNode *       pinos_spa_videotestsrc_new      (PinosDaemon     *daemon,
+                                                   const gchar     *name,
+                                                   PinosProperties *properties);
+
+G_END_DECLS
+
+#endif /* __PINOS_SPA_VIDEOTESTSRC_H__ */
diff --git a/spa/meson.build b/spa/meson.build
index 4137cdaca..83a665832 100644
--- a/spa/meson.build
+++ b/spa/meson.build
@@ -9,6 +9,7 @@ avformat_dep = dependency('libavformat')
 avfilter_dep = dependency('libavfilter')
 libva_dep = dependency('libva')
 libudev_dep = dependency('libudev')
+threads_dep = dependency('threads')
 
 cc = meson.get_compiler('c')
 
diff --git a/spa/plugins/meson.build b/spa/plugins/meson.build
index 2d43f779d..ecba29c6d 100644
--- a/spa/plugins/meson.build
+++ b/spa/plugins/meson.build
@@ -4,6 +4,7 @@ subdir('audiotestsrc')
 subdir('ffmpeg')
 subdir('remote')
 #subdir('libva')
+subdir('videotestsrc')
 subdir('volume')
 subdir('v4l2')
 subdir('xv')
diff --git a/spa/plugins/videotestsrc/meson.build b/spa/plugins/videotestsrc/meson.build
new file mode 100644
index 000000000..6b760abc3
--- /dev/null
+++ b/spa/plugins/videotestsrc/meson.build
@@ -0,0 +1,8 @@
+videotestsrc_sources = ['videotestsrc.c', 'plugin.c']
+
+videotestsrclib = shared_library('spa-videotestsrc',
+                                 videotestsrc_sources,
+                                 include_directories : inc,
+                                 dependencies : threads_dep,
+                                 link_with : spalib,
+                                 install : true)
diff --git a/spa/plugins/videotestsrc/plugin.c b/spa/plugins/videotestsrc/plugin.c
new file mode 100644
index 000000000..030d43e15
--- /dev/null
+++ b/spa/plugins/videotestsrc/plugin.c
@@ -0,0 +1,45 @@
+/* Spa Video Test Source plugin
+ * Copyright (C) 2016 Axis Communications AB
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <spa/plugin.h>
+#include <spa/node.h>
+
+extern const SpaHandleFactory spa_videotestsrc_factory;
+
+SpaResult
+spa_enum_handle_factory (const SpaHandleFactory **factory,
+                         void                   **state)
+{
+  int index;
+
+  if (factory == NULL || state == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  index = (*state == NULL ? 0 : *(int*)state);
+
+  switch (index) {
+    case 0:
+      *factory = &spa_videotestsrc_factory;
+      break;
+    default:
+      return SPA_RESULT_ENUM_END;
+  }
+  *(int*)state = ++index;
+  return SPA_RESULT_OK;
+}
diff --git a/spa/plugins/videotestsrc/videotestsrc.c b/spa/plugins/videotestsrc/videotestsrc.c
new file mode 100644
index 000000000..802e0474a
--- /dev/null
+++ b/spa/plugins/videotestsrc/videotestsrc.c
@@ -0,0 +1,1126 @@
+/* Spa Video Test Source
+ * Copyright (C) 2016 Axis Communications AB
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 51 Franklin St, Fifth Floor,
+ * Boston, MA 02110-1301, USA.
+ */
+
+#include <spa/node.h>
+#include <spa/memory.h>
+#include <spa/video/format.h>
+#include <spa/debug.h>
+
+#include <stdio.h>
+#include <pthread.h>
+
+#define MAX_BUFFERS     256
+#define PIXEL_SIZE      3
+
+#define CLEAR(x) memset(&(x), 0, sizeof(x))
+
+#define STATE_GET_IMAGE_WIDTH(state)   state->current_format.info.raw.size.width
+#define STATE_GET_IMAGE_HEIGHT(state)  state->current_format.info.raw.size.height
+
+#define STATE_GET_IMAGE_SIZE(state)  \
+  (PIXEL_SIZE * STATE_GET_IMAGE_WIDTH(state) * STATE_GET_IMAGE_HEIGHT(state))
+
+#define STATE_GET_FRAME_INTERVAL_NS(state)  \
+  ((uint64_t)state->current_format.info.raw.framerate.denom * 1000000000lu / \
+   (uint64_t)state->current_format.info.raw.framerate.num)
+
+typedef struct _SpaVideoTestSrc SpaVideoTestSrc;
+
+typedef struct _VTSBuffer VTSBuffer;
+
+struct _VTSBuffer {
+  SpaBuffer buffer;
+  SpaMeta metas[1];
+  SpaMetaHeader header;
+  SpaData datas[1];
+  SpaBuffer *outbuf;
+  bool outstanding;
+  bool queued;
+  VTSBuffer *next;
+};
+
+typedef struct {
+  bool have_buffers;
+  bool started;
+
+  void *cookie;
+
+  bool have_format;
+  SpaFormatVideo query_format;
+  SpaFormatVideo current_format;
+
+  pthread_t thread;
+  int next_sequence;
+
+  int n_buffers;
+  SpaMemory *alloc_mem;
+  VTSBuffer *alloc_buffers;
+  VTSBuffer *ready;
+  uint32_t ready_count;
+  pthread_mutex_t queue_mutex;
+  pthread_cond_t queue_cond;
+
+  SpaPortInfo info;
+  SpaAllocParam *params[1];
+  SpaAllocParamBuffers param_buffers;
+  SpaPortStatus status;
+
+} SpaVideoTestSrcState;
+
+struct _SpaVideoTestSrc {
+  SpaHandle handle;
+  SpaNode node;
+
+  SpaNodeEventCallback event_cb;
+  void *user_data;
+
+  SpaPollItem idle;
+
+  SpaVideoTestSrcState state[1];
+};
+
+static int
+spa_videotestsrc_draw (SpaVideoTestSrcState *state, VTSBuffer *b)
+{
+  SpaMemoryRef *mem_ref;
+  SpaMemory *mem;
+  char *ptr;
+
+  mem_ref = &b->datas[0].mem.mem;
+  spa_memory_ref (mem_ref);
+  mem = spa_memory_find (mem_ref);
+  ptr = spa_memory_ensure_ptr (mem);
+  if (ptr == NULL) {
+    return -1;
+  }
+
+  /* draw light gray */
+  memset (ptr, 0xDF, STATE_GET_IMAGE_SIZE (state));
+
+  spa_memory_unref (mem_ref);
+
+  return 0;
+}
+
+static VTSBuffer *
+find_queued_buffer (SpaVideoTestSrcState *state)
+{
+  int i;
+
+  for (i = 0; i < state->n_buffers; i++) {
+    VTSBuffer *b = &state->alloc_buffers[i];
+
+    if (b->queued) {
+      return b;
+    }
+  }
+
+  return NULL;
+}
+
+static int
+spa_videotestsrc_idle (SpaPollNotifyData *data)
+{
+  SpaVideoTestSrc *this = data->user_data;
+  SpaNodeEvent event;
+  SpaNodeEventHaveOutput ho;
+
+  event.type = SPA_NODE_EVENT_TYPE_HAVE_OUTPUT;
+  event.size = sizeof (ho);
+  event.data = &ho;
+  ho.port_id = 0;
+  this->event_cb (&this->node, &event, this->user_data);
+
+  return 0;
+}
+
+static SpaResult
+update_idle_enabled (SpaVideoTestSrc *this, bool enabled)
+{
+  SpaNodeEvent event;
+
+  if (this->event_cb) {
+    this->idle.enabled = enabled;
+    event.type = SPA_NODE_EVENT_TYPE_UPDATE_POLL;
+    event.data = &this->idle;
+    event.size = sizeof (this->idle);
+    this->event_cb (&this->node, &event, this->user_data);
+  }
+  return SPA_RESULT_OK;
+}
+
+static void *
+loop (void *user_data)
+{
+  SpaVideoTestSrc *this = user_data;
+  SpaVideoTestSrcState *state = &this->state[0];
+  uint64_t last_pts = -1;
+
+  while (state->started) {
+    VTSBuffer *b;
+    struct timespec ts;
+    uint64_t now;
+    uint64_t pts;
+
+    pthread_mutex_lock (&state->queue_mutex);
+    b = find_queued_buffer (state);
+    while (b == NULL && state->started) {
+      pthread_cond_wait (&state->queue_cond, &state->queue_mutex);
+      b = find_queued_buffer (state);
+    }
+    pthread_mutex_unlock (&state->queue_mutex);
+
+    if (!state->started)
+      goto done;
+
+    if (spa_videotestsrc_draw (state, b) < 0)
+      goto done;
+
+    if (!state->started)
+      goto done;
+
+    clock_gettime (CLOCK_MONOTONIC, &ts);
+    now = (uint64_t)ts.tv_sec * 1000000000lu + (uint64_t)ts.tv_nsec;
+
+    if (last_pts == -1) {
+      pts = now;
+    } else {
+      uint64_t next_pts = last_pts + STATE_GET_FRAME_INTERVAL_NS (state);
+      if (next_pts > now) {
+        uint64_t diff = next_pts - now;
+
+        ts.tv_sec = diff / 1000000000lu;
+        ts.tv_nsec = diff % 1000000000lu;
+        nanosleep (&ts, NULL);
+
+        pts = next_pts;
+      } else {
+        pts = now;
+      }
+    }
+
+    b->header.pts = pts;
+    last_pts = pts;
+
+    b->header.seq = state->next_sequence;
+    state->next_sequence++;
+
+    pthread_mutex_lock (&state->queue_mutex);
+    b->queued = false;
+    pthread_mutex_unlock (&state->queue_mutex);
+
+    b->next = state->ready;
+    state->ready = b;
+    state->ready_count++;
+
+    update_idle_enabled (this, true);
+  }
+
+done:
+  return NULL;
+}
+
+static SpaResult
+spa_videotestsrc_buffer_recycle (SpaVideoTestSrc *this, uint32_t buffer_id)
+{
+  SpaVideoTestSrcState *state = &this->state[0];
+  VTSBuffer *b = &state->alloc_buffers[buffer_id];
+
+  if (!b->outstanding)
+    return SPA_RESULT_OK;
+
+  pthread_mutex_lock (&state->queue_mutex);
+  b->queued = true;
+  pthread_cond_signal (&state->queue_cond);
+  pthread_mutex_unlock (&state->queue_mutex);
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_clear_buffers (SpaVideoTestSrc *this)
+{
+  SpaVideoTestSrcState *state = &this->state[0];
+  int i;
+
+  if (!state->have_buffers)
+    return SPA_RESULT_OK;
+
+  for (i = 0; i < state->n_buffers; i++) {
+    VTSBuffer *b;
+    SpaMemory *mem;
+
+    b = &state->alloc_buffers[i];
+    if (b->outstanding) {
+      fprintf (stderr, "queueing outstanding buffer %p\n", b);
+      spa_videotestsrc_buffer_recycle (this, i);
+    }
+    mem = spa_memory_find (&b->datas[0].mem.mem);
+    spa_memory_unref (&mem->mem);
+  }
+  if (state->alloc_mem)
+    spa_memory_unref (&state->alloc_mem->mem);
+
+  state->have_buffers = false;
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_use_buffers (SpaVideoTestSrc *this, SpaBuffer **buffers, uint32_t n_buffers)
+{
+  SpaVideoTestSrcState *state = &this->state[0];
+  int i;
+
+  state->n_buffers = n_buffers;
+
+  if (state->alloc_mem)
+    spa_memory_unref (&state->alloc_mem->mem);
+  state->alloc_mem = spa_memory_alloc_size (SPA_MEMORY_POOL_LOCAL,
+                                            NULL,
+                                            sizeof (VTSBuffer) * state->n_buffers);
+  state->alloc_buffers = spa_memory_ensure_ptr (state->alloc_mem);
+
+  for (i = 0; i < state->n_buffers; i++) {
+    VTSBuffer *b;
+    SpaMemoryRef *mem_ref;
+    SpaMemory *mem;
+    SpaData *d = SPA_BUFFER_DATAS (buffers[i]);
+
+    b = &state->alloc_buffers[i];
+    b->buffer.mem.mem = state->alloc_mem->mem;
+    b->buffer.mem.offset = sizeof (VTSBuffer) * i;
+    b->buffer.mem.size = sizeof (VTSBuffer);
+    b->buffer.id = SPA_ID_INVALID;
+    b->outbuf = buffers[i];
+    b->outstanding = true;
+
+    fprintf (stderr, "import buffer %p\n", buffers[i]);
+
+    mem_ref = &d[0].mem.mem;
+    if (!(mem = spa_memory_find (mem_ref))) {
+      fprintf (stderr, "invalid memory on buffer %p\n", buffers[i]);
+      continue;
+    }
+
+    spa_videotestsrc_buffer_recycle (this, buffers[i]->id);
+  }
+  state->have_buffers = true;
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_alloc_buffers (SpaVideoTestSrc   *this,
+                        SpaAllocParam  **params,
+                        unsigned int     n_params,
+                        SpaBuffer      **buffers,
+                        unsigned int    *n_buffers)
+{
+  SpaVideoTestSrcState *state = &this->state[0];
+  unsigned int i;
+
+  if (state->have_buffers) {
+    if (*n_buffers < state->n_buffers)
+      return SPA_RESULT_NO_BUFFERS;
+
+    *n_buffers = state->n_buffers;
+    for (i = 0; i < state->n_buffers; i++) {
+      buffers[i] = &state->alloc_buffers[i].buffer;
+    }
+    return SPA_RESULT_OK;
+  }
+
+  state->n_buffers = *n_buffers;
+
+  if (state->alloc_mem)
+    spa_memory_unref (&state->alloc_mem->mem);
+  state->alloc_mem = spa_memory_alloc_with_fd (SPA_MEMORY_POOL_SHARED,
+                                               NULL,
+                                               sizeof (VTSBuffer) * state->n_buffers);
+  state->alloc_buffers = spa_memory_ensure_ptr (state->alloc_mem);
+
+  for (i = 0; i < state->n_buffers; i++) {
+    VTSBuffer *b;
+    SpaMemory *mem;
+
+    b = &state->alloc_buffers[i];
+    b->buffer.id = i;
+    b->buffer.mem.mem = state->alloc_mem->mem;
+    b->buffer.mem.offset = sizeof (VTSBuffer) * i;
+    b->buffer.mem.size = sizeof (VTSBuffer);
+
+    buffers[i] = &b->buffer;
+
+    b->buffer.n_metas = 1;
+    b->buffer.metas = offsetof (VTSBuffer, metas);
+    b->buffer.n_datas = 1;
+    b->buffer.datas = offsetof (VTSBuffer, datas);
+
+    b->header.flags = 0;
+    b->header.seq = 0;
+    b->header.pts = 0;
+    b->header.dts_offset = 0;
+
+    b->metas[0].type = SPA_META_TYPE_HEADER;
+    b->metas[0].offset = offsetof (VTSBuffer, header);
+    b->metas[0].size = sizeof (b->header);
+
+    mem = spa_memory_alloc_with_fd (SPA_MEMORY_POOL_SHARED, NULL,
+        STATE_GET_IMAGE_SIZE (state));
+    b->datas[0].mem.mem = mem->mem;
+    b->datas[0].mem.offset = 0;
+    b->datas[0].mem.size = STATE_GET_IMAGE_SIZE (state);
+    b->datas[0].stride = PIXEL_SIZE * STATE_GET_IMAGE_WIDTH (state);
+
+    b->outbuf = &b->buffer;
+    b->outstanding = true;
+
+    spa_videotestsrc_buffer_recycle (this, i);
+  }
+
+  state->have_buffers = true;
+
+  return SPA_RESULT_OK;
+}
+
+static void
+update_state (SpaVideoTestSrc *this, SpaNodeState state)
+{
+  SpaNodeEvent event;
+  SpaNodeEventStateChange sc;
+
+  if (this->node.state == state)
+    return;
+
+  this->node.state = state;
+
+  event.type = SPA_NODE_EVENT_TYPE_STATE_CHANGE;
+  event.data = &sc;
+  event.size = sizeof (sc);
+  sc.state = state;
+  this->event_cb (&this->node, &event, this->user_data);
+}
+
+static SpaResult
+spa_videotestsrc_start (SpaVideoTestSrc *this)
+{
+  SpaVideoTestSrcState *state = &this->state[0];
+
+  if (state->started)
+    return SPA_RESULT_OK;
+
+  state->started = true;
+
+  if (pthread_create (&state->thread, NULL, loop, this) != 0) {
+    return SPA_RESULT_ERROR;
+  }
+  state->started = true;
+  update_state (this, SPA_NODE_STATE_STREAMING);
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_pause (SpaVideoTestSrc *this)
+{
+  SpaVideoTestSrcState *state = &this->state[0];
+
+  if (!state->started)
+    return SPA_RESULT_OK;
+
+  update_idle_enabled (this, false);
+
+  state->started = false;
+  pthread_join (state->thread, NULL);
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_get_props (SpaNode       *node,
+                                 SpaProps     **props)
+{
+  return SPA_RESULT_NOT_IMPLEMENTED;
+}
+
+static SpaResult
+spa_videotestsrc_node_set_props (SpaNode         *node,
+                                 const SpaProps  *props)
+{
+  return SPA_RESULT_NOT_IMPLEMENTED;
+}
+
+static SpaResult
+spa_videotestsrc_node_send_command (SpaNode        *node,
+                                    SpaNodeCommand *command)
+{
+  SpaVideoTestSrc *this;
+  SpaResult res;
+
+  if (node == NULL || node->handle == NULL || command == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  switch (command->type) {
+    case SPA_NODE_COMMAND_INVALID:
+      return SPA_RESULT_INVALID_COMMAND;
+
+    case SPA_NODE_COMMAND_START:
+    {
+      SpaVideoTestSrcState *state = &this->state[0];
+
+      if (!state->have_format)
+        return SPA_RESULT_NO_FORMAT;
+
+      if (!state->have_buffers)
+        return SPA_RESULT_NO_BUFFERS;
+
+      if ((res = spa_videotestsrc_start (this)) < 0)
+        return res;
+
+      break;
+    }
+    case SPA_NODE_COMMAND_PAUSE:
+    {
+      SpaVideoTestSrcState *state = &this->state[0];
+
+      if (!state->have_format)
+        return SPA_RESULT_NO_FORMAT;
+
+      if (!state->have_buffers)
+        return SPA_RESULT_NO_BUFFERS;
+
+      if ((res = spa_videotestsrc_pause (this)) < 0)
+        return res;
+
+      break;
+    }
+
+    case SPA_NODE_COMMAND_FLUSH:
+    case SPA_NODE_COMMAND_DRAIN:
+    case SPA_NODE_COMMAND_MARKER:
+    case SPA_NODE_COMMAND_CLOCK_UPDATE:
+      return SPA_RESULT_NOT_IMPLEMENTED;
+  }
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_set_event_callback (SpaNode              *node,
+                                          SpaNodeEventCallback  event_cb,
+                                          void                 *user_data)
+{
+  SpaVideoTestSrc *this;
+  SpaNodeEvent event;
+
+  if (node == NULL || node->handle == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (event_cb == NULL && this->event_cb) {
+    event.type = SPA_NODE_EVENT_TYPE_REMOVE_POLL;
+    event.data = &this->idle;
+    event.size = sizeof (this->idle);
+    this->event_cb (&this->node, &event, this->user_data);
+  }
+
+  this->event_cb = event_cb;
+  this->user_data = user_data;
+
+  if (this->event_cb) {
+    event.type = SPA_NODE_EVENT_TYPE_ADD_POLL;
+    event.data = &this->idle;
+    event.size = sizeof (this->idle);
+    this->event_cb (&this->node, &event, this->user_data);
+  }
+
+  update_state (this, SPA_NODE_STATE_CONFIGURE);
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_get_n_ports (SpaNode       *node,
+                                  unsigned int  *n_input_ports,
+                                  unsigned int  *max_input_ports,
+                                  unsigned int  *n_output_ports,
+                                  unsigned int  *max_output_ports)
+{
+  if (node == NULL || node->handle == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  if (n_input_ports)
+    *n_input_ports = 0;
+  if (max_input_ports)
+    *max_input_ports = 0;
+  if (n_output_ports)
+    *n_output_ports = 1;
+  if (max_output_ports)
+    *max_output_ports = 1;
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_get_port_ids (SpaNode       *node,
+                                    unsigned int   n_input_ports,
+                                    uint32_t      *input_ids,
+                                    unsigned int   n_output_ports,
+                                    uint32_t      *output_ids)
+{
+  if (node == NULL || node->handle == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  if (n_output_ports > 0 && output_ids != NULL)
+    output_ids[0] = 0;
+
+  return SPA_RESULT_OK;
+}
+
+
+static SpaResult
+spa_videotestsrc_node_add_port (SpaNode        *node,
+                                uint32_t        port_id)
+{
+  return SPA_RESULT_NOT_IMPLEMENTED;
+}
+
+static SpaResult
+spa_videotestsrc_node_remove_port (SpaNode        *node,
+                                   uint32_t        port_id)
+{
+  return SPA_RESULT_NOT_IMPLEMENTED;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_enum_formats (SpaNode          *node,
+                                         uint32_t          port_id,
+                                         SpaFormat       **format,
+                                         const SpaFormat  *filter,
+                                         void            **state)
+{
+  SpaVideoTestSrc *this;
+  SpaVideoTestSrcState *src_state;
+  int index;
+  unsigned int idx;
+  SpaVideoFormat video_format;
+  SpaPropValue val;
+  SpaProps *props;
+
+  if (node == NULL || node->handle == NULL || format == NULL || state == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (port_id != 0)
+    return SPA_RESULT_INVALID_PORT;
+
+  src_state = &this->state[port_id];
+
+  index = (*state == NULL ? 0 : *(int*)state);
+  if (index != 0)
+    return SPA_RESULT_ENUM_END;
+
+  if (filter) {
+    SpaResult res;
+    const SpaPropInfo *pi;
+
+    idx = spa_props_index_for_id (&filter->props, SPA_PROP_ID_VIDEO_FORMAT);
+    if (idx == SPA_IDX_INVALID)
+      return SPA_RESULT_ENUM_END;
+
+    pi = &filter->props.prop_info[idx];
+    if (pi->type != SPA_PROP_TYPE_UINT32)
+      return SPA_RESULT_ENUM_END;
+
+    res = spa_props_get_prop (&filter->props, idx, &val);
+    if (res >= 0) {
+      video_format = *((SpaVideoFormat *)val.value);
+      if (video_format != SPA_VIDEO_FORMAT_RGB)
+        return SPA_RESULT_ENUM_END;
+    }
+
+    spa_format_video_parse (filter, &src_state->query_format);
+  } else {
+    spa_format_video_init (SPA_MEDIA_TYPE_VIDEO,
+                           SPA_MEDIA_SUBTYPE_RAW,
+                           &src_state->query_format);
+  }
+
+  props = &src_state->query_format.format.props;
+  idx = spa_props_index_for_id (props, SPA_PROP_ID_VIDEO_FORMAT);
+  if (idx == SPA_IDX_INVALID)
+    return SPA_RESULT_ENUM_END;
+  video_format = SPA_VIDEO_FORMAT_RGB;
+  val.value = &video_format;
+  val.size = sizeof video_format;
+  spa_props_set_prop (props, idx, &val);
+
+  *format = &src_state->query_format.format;
+  *(int*)state = ++index;
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_set_format (SpaNode            *node,
+                                       uint32_t            port_id,
+                                       SpaPortFormatFlags  flags,
+                                       const SpaFormat    *format)
+{
+  SpaVideoTestSrc *this;
+  SpaVideoTestSrcState *state;
+  SpaResult res;
+
+  if (node == NULL || node->handle == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (port_id != 0)
+    return SPA_RESULT_INVALID_PORT;
+
+  state = &this->state[port_id];
+
+  if (format == NULL) {
+    state->have_format = false;
+    state->have_buffers = false;
+  } else {
+    if ((res = spa_format_video_parse (format, &state->current_format)) < 0)
+      return res;
+
+    state->have_format = true;
+  }
+
+  if (state->have_format) {
+    state->info.flags = SPA_PORT_INFO_FLAG_CAN_ALLOC_BUFFERS |
+                        SPA_PORT_INFO_FLAG_CAN_USE_BUFFERS;
+    state->info.maxbuffering = -1;
+    state->info.latency = -1;
+    state->info.n_params = 1;
+    state->info.params = state->params;
+    state->params[0] = &state->param_buffers.param;
+    state->param_buffers.param.type = SPA_ALLOC_PARAM_TYPE_BUFFERS;
+    state->param_buffers.param.size = sizeof (state->param_buffers);
+    state->param_buffers.minsize = STATE_GET_IMAGE_SIZE (state);
+    state->param_buffers.stride = PIXEL_SIZE * STATE_GET_IMAGE_WIDTH (state);
+    state->param_buffers.min_buffers = 2;
+    state->param_buffers.max_buffers = MAX_BUFFERS;
+    state->param_buffers.align = 16;
+    state->info.features = NULL;
+    update_state (this, SPA_NODE_STATE_READY);
+  }
+  else
+    update_state (this, SPA_NODE_STATE_CONFIGURE);
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_get_format (SpaNode          *node,
+                                       uint32_t          port_id,
+                                       const SpaFormat **format)
+{
+  SpaVideoTestSrc *this;
+  SpaVideoTestSrcState *state;
+
+  if (node == NULL || node->handle == NULL || format == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (port_id != 0)
+    return SPA_RESULT_INVALID_PORT;
+
+  state = &this->state[port_id];
+
+  if (!state->have_format)
+    return SPA_RESULT_NO_FORMAT;
+
+  *format = &state->current_format.format;
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_get_info (SpaNode            *node,
+                                     uint32_t            port_id,
+                                     const SpaPortInfo **info)
+{
+  SpaVideoTestSrc *this;
+
+  if (node == NULL || node->handle == NULL || info == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (port_id != 0)
+    return SPA_RESULT_INVALID_PORT;
+
+  *info = &this->state[port_id].info;
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_get_props (SpaNode    *node,
+                                      uint32_t    port_id,
+                                      SpaProps  **props)
+{
+  return SPA_RESULT_NOT_IMPLEMENTED;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_set_props (SpaNode         *node,
+                                      uint32_t         port_id,
+                                      const SpaProps  *props)
+{
+  return SPA_RESULT_NOT_IMPLEMENTED;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_use_buffers (SpaNode         *node,
+                                        uint32_t         port_id,
+                                        SpaBuffer      **buffers,
+                                        uint32_t         n_buffers)
+{
+  SpaVideoTestSrc *this;
+  SpaVideoTestSrcState *state;
+  SpaResult res;
+
+  if (node == NULL || node->handle == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (port_id != 0)
+    return SPA_RESULT_INVALID_PORT;
+
+  state = &this->state[port_id];
+
+  if (!state->have_format)
+    return SPA_RESULT_NO_FORMAT;
+
+  if (state->have_buffers) {
+    if ((res = spa_videotestsrc_clear_buffers (this)) < 0)
+      return res;
+  }
+  if (buffers != NULL) {
+    if ((res = spa_videotestsrc_use_buffers (this, buffers, n_buffers)) < 0)
+      return res;
+  }
+
+  if (state->have_buffers)
+    update_state (this, SPA_NODE_STATE_PAUSED);
+  else
+    update_state (this, SPA_NODE_STATE_READY);
+
+  return res;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_alloc_buffers (SpaNode         *node,
+                                          uint32_t         port_id,
+                                          SpaAllocParam  **params,
+                                          unsigned int     n_params,
+                                          SpaBuffer      **buffers,
+                                          unsigned int    *n_buffers)
+{
+  SpaVideoTestSrc *this;
+  SpaVideoTestSrcState *state;
+  SpaResult res;
+
+  if (node == NULL || node->handle == NULL || buffers == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (port_id != 0)
+    return SPA_RESULT_INVALID_PORT;
+
+  state = &this->state[port_id];
+
+  if (!state->have_format)
+    return SPA_RESULT_NO_FORMAT;
+
+  res = spa_videotestsrc_alloc_buffers (this, params, n_params, buffers, n_buffers);
+
+  if (state->have_buffers)
+    update_state (this, SPA_NODE_STATE_PAUSED);
+
+  return res;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_reuse_buffer (SpaNode         *node,
+                                         uint32_t         port_id,
+                                         uint32_t         buffer_id)
+{
+  SpaVideoTestSrc *this;
+  SpaVideoTestSrcState *state;
+  SpaResult res;
+
+  if (node == NULL || node->handle == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (port_id != 0)
+    return SPA_RESULT_INVALID_PORT;
+
+  state = &this->state[port_id];
+
+  if (!state->have_buffers)
+    return SPA_RESULT_NO_BUFFERS;
+
+  if (buffer_id >= state->n_buffers)
+    return SPA_RESULT_INVALID_BUFFER_ID;
+
+  res = spa_videotestsrc_buffer_recycle (this, buffer_id);
+
+  return res;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_get_status (SpaNode              *node,
+                                       uint32_t              port_id,
+                                       const SpaPortStatus **status)
+{
+  SpaVideoTestSrc *this;
+
+  if (node == NULL || node->handle == NULL || status == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  if (port_id != 0)
+    return SPA_RESULT_INVALID_PORT;
+
+  *status = &this->state[port_id].status;
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_push_input (SpaNode          *node,
+                                       unsigned int      n_info,
+                                       SpaPortInputInfo *info)
+{
+  return SPA_RESULT_INVALID_PORT;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_pull_output (SpaNode           *node,
+                                        unsigned int       n_info,
+                                        SpaPortOutputInfo *info)
+{
+  SpaVideoTestSrc *this;
+  SpaVideoTestSrcState *state;
+  unsigned int i;
+  bool have_error = false;
+
+  if (node == NULL || node->handle == NULL || n_info == 0 || info == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) node->handle;
+
+  for (i = 0; i < n_info; i++) {
+    VTSBuffer *b;
+
+    if (info[i].port_id != 0) {
+      info[i].status = SPA_RESULT_INVALID_PORT;
+      have_error = true;
+      continue;
+    }
+    state = &this->state[info[i].port_id];
+
+    if (!state->have_format) {
+      info[i].status = SPA_RESULT_NO_FORMAT;
+      have_error = true;
+      continue;
+    }
+    if (state->ready_count == 0) {
+      info[i].status = SPA_RESULT_UNEXPECTED;
+      have_error = true;
+      continue;
+    }
+
+    b = state->ready;
+    state->ready = b->next;
+    state->ready_count--;
+
+    b->outstanding = true;
+
+    update_idle_enabled (this, false);
+
+    info[i].buffer_id = b->outbuf->id;
+    info[i].status = SPA_RESULT_OK;
+  }
+  if (have_error)
+    return SPA_RESULT_ERROR;
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_node_port_push_event (SpaNode      *node,
+                                       uint32_t      port_id,
+                                       SpaNodeEvent *event)
+{
+  return SPA_RESULT_NOT_IMPLEMENTED;
+}
+
+
+static const SpaNode videotestsrc_node = {
+  NULL,
+  sizeof (SpaNode),
+  NULL,
+  SPA_NODE_STATE_INIT,
+  spa_videotestsrc_node_get_props,
+  spa_videotestsrc_node_set_props,
+  spa_videotestsrc_node_send_command,
+  spa_videotestsrc_node_set_event_callback,
+  spa_videotestsrc_node_get_n_ports,
+  spa_videotestsrc_node_get_port_ids,
+  spa_videotestsrc_node_add_port,
+  spa_videotestsrc_node_remove_port,
+  spa_videotestsrc_node_port_enum_formats,
+  spa_videotestsrc_node_port_set_format,
+  spa_videotestsrc_node_port_get_format,
+  spa_videotestsrc_node_port_get_info,
+  spa_videotestsrc_node_port_get_props,
+  spa_videotestsrc_node_port_set_props,
+  spa_videotestsrc_node_port_use_buffers,
+  spa_videotestsrc_node_port_alloc_buffers,
+  spa_videotestsrc_node_port_reuse_buffer,
+  spa_videotestsrc_node_port_get_status,
+  spa_videotestsrc_node_port_push_input,
+  spa_videotestsrc_node_port_pull_output,
+  spa_videotestsrc_node_port_push_event,
+};
+
+static SpaResult
+spa_videotestsrc_get_interface (SpaHandle               *handle,
+                                uint32_t                 interface_id,
+                                void                   **interface)
+{
+  SpaVideoTestSrc *this;
+
+  if (handle == NULL || interface == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  this = (SpaVideoTestSrc *) handle;
+
+  switch (interface_id) {
+    case SPA_INTERFACE_ID_NODE:
+      *interface = &this->node;
+      break;
+    default:
+      return SPA_RESULT_UNKNOWN_INTERFACE;
+  }
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_clear (SpaHandle *handle)
+{
+  SpaVideoTestSrc *this = (SpaVideoTestSrc *) handle;
+
+  pthread_mutex_destroy (&this->state[0].queue_mutex);
+  pthread_cond_destroy (&this->state[0].queue_cond);
+
+  return SPA_RESULT_OK;
+}
+
+static SpaResult
+spa_videotestsrc_init (const SpaHandleFactory  *factory,
+                       SpaHandle               *handle,
+                       const SpaDict           *info)
+{
+  SpaVideoTestSrc *this;
+
+  if (factory == NULL || handle == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  handle->get_interface = spa_videotestsrc_get_interface;
+  handle->clear = spa_videotestsrc_clear;
+
+  this = (SpaVideoTestSrc *) handle;
+  this->node = videotestsrc_node;
+  this->node.handle = handle;
+
+  this->idle.id = 0;
+  this->idle.enabled = false;
+  this->idle.fds = NULL;
+  this->idle.n_fds = 0;
+  this->idle.idle_cb = spa_videotestsrc_idle;
+  this->idle.before_cb = NULL;
+  this->idle.after_cb = NULL;
+  this->idle.user_data = this;
+
+  this->state[0].info.flags = SPA_PORT_INFO_FLAG_NONE;
+  this->state[0].status.flags = SPA_PORT_STATUS_FLAG_NONE;
+
+  pthread_mutex_init (&this->state[0].queue_mutex, NULL);
+  pthread_cond_init (&this->state[0].queue_cond, NULL);
+
+  return SPA_RESULT_OK;
+}
+
+static const SpaInterfaceInfo spa_videotestsrc_interfaces[] =
+{
+  { SPA_INTERFACE_ID_NODE,
+    SPA_INTERFACE_ID_NODE_NAME,
+    SPA_INTERFACE_ID_NODE_DESCRIPTION,
+  },
+};
+
+static SpaResult
+spa_videotestsrc_enum_interface_info (const SpaHandleFactory  *factory,
+                                      const SpaInterfaceInfo **info,
+                                      void                   **state)
+{
+  int index;
+
+  if (factory == NULL || info == NULL || state == NULL)
+    return SPA_RESULT_INVALID_ARGUMENTS;
+
+  index = (*state == NULL ? 0 : *(int*)state);
+
+  switch (index) {
+    case 0:
+      *info = &spa_videotestsrc_interfaces[index];
+      break;
+    default:
+      return SPA_RESULT_ENUM_END;
+  }
+  *(int*)state = ++index;
+  return SPA_RESULT_OK;
+}
+
+const SpaHandleFactory spa_videotestsrc_factory =
+{ "videotestsrc",
+  NULL,
+  sizeof (SpaVideoTestSrc),
+  spa_videotestsrc_init,
+  spa_videotestsrc_enum_interface_info,
+};