1 files changed, 608 insertions, 0 deletions

diff --git a/src/nullsink.c b/src/nullsink.c
new file mode 100644
index 0000000..743cdbf
--- /dev/null
+++ b/src/nullsink.c
@@ -0,0 +1,608 @@
+#include <pthread.h>
+#include <string.h>
+#include <stdio.h>
+
+#include <polyp/polyplib-error.h>
+#include <polyp/mainloop.h>
+
+#include "polypsink.h"
+
+enum {
+  ARG_0,
+  ARG_SERVER,
+  ARG_SINK,
+};
+
+static GstElementClass *parent_class = NULL;
+
+/* static void create_stream(GstPolypSink *polypsink); */
+/* static void destroy_stream(GstPolypSink *polypsink); */
+
+/* static void create_context(GstPolypSink *polypsink); */
+/* static void destroy_context(GstPolypSink *polypsink); */
+
+static void gst_polypsink_base_init(gpointer g_class) {
+
+    static GstStaticPadTemplate pad_template = GST_STATIC_PAD_TEMPLATE(
+        "sink",
+        GST_PAD_SINK,
+        GST_PAD_ALWAYS,
+        GST_STATIC_CAPS(
+            "audio/x-raw-int, "
+            "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN },"
+            "signed = (boolean) TRUE, "
+            "width = (int) 16, "
+            "depth = (int) 16, "
+            "rate = (int) [ 1000, 96000 ], "
+            "channels = (int) [1, 16]"
+
+/*             "audio/x-raw-float, " */
+/*             "endianness = (int) { LITTLE_ENDIAN, BIG_ENDIAN }, " */
+/*             "width = (int) 32, " */
+/*             "rate = (int) [ 1, 192000 ], " */
+/*             "channels = (int) [ 1, 16 ];" */
+            
+/*             "audio/x-raw-int, " */
+/*             "signed = (boolean) FALSE, " */
+/*             "width = (int) 8, " */
+/*             "depth = (int) 8, " */
+/*             "rate = (int) [ 1, 192000 ], " */
+/*             "channels = (int) [ 1, 16 ]" */
+
+            )
+        );
+
+    static const GstElementDetails details = {
+        "Polypaudio Audio Sink",
+        "Sink/Audio",
+        "Plays audio to a Polypaudio server",
+        "Lennart Poettering",
+    };
+    
+    GstElementClass *element_class = GST_ELEMENT_CLASS(g_class);
+    gst_element_class_add_pad_template(element_class, gst_static_pad_template_get(&pad_template));
+    gst_element_class_set_details(element_class, &details);
+}
+
+/* static void gst_polypsink_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { */
+/*     GstPolypSink *polypsink; */
+/*     g_return_if_fail(GST_IS_POLYPSINK(object)); */
+/*     polypsink = GST_POLYPSINK(object); */
+    
+/*     switch (prop_id) { */
+/*         case ARG_SERVER: */
+/*             g_free(polypsink->server); */
+/*             polypsink->server = g_strdup(g_value_get_string(value)); */
+/*             break; */
+            
+/*         case ARG_SINK: */
+/*             g_free(polypsink->sink); */
+/*             polypsink->sink = g_strdup(g_value_get_string(value)); */
+/*             break; */
+            
+/*         default: */
+/*             g_message("Fehler!"); */
+/*             G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); */
+/*             break; */
+/*     } */
+/* } */
+
+/* static void gst_polypsink_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec * pspec) { */
+/*     GstPolypSink *polypsink; */
+/*     g_return_if_fail(GST_IS_POLYPSINK(object)); */
+/*     polypsink = GST_POLYPSINK(object); */
+    
+/*     switch (prop_id) { */
+/*         case ARG_SERVER: */
+/*             g_value_set_string(value, polypsink->server); */
+/*             break; */
+            
+/*         case ARG_SINK: */
+/*             g_value_set_string(value, polypsink->sink); */
+/*             break; */
+            
+/*         default: */
+/*             g_message("Fehler!"); */
+/*             G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); */
+/*             break; */
+/*     } */
+/* } */
+
+/* static GstElementStateReturn gst_polypsink_change_state(GstElement * element) { */
+/*     GstPolypSink *polypsink; */
+    
+/*     polypsink = GST_POLYPSINK (element); */
+
+/*     g_message("state change: %u" , GST_STATE(element)); */
+    
+/* /\*     switch(GST_STATE_TRANSITION(element)) { *\/ */
+        
+/* /\*         case GST_STATE_NULL_TO_READY: *\/ */
+/* /\* /\\*             create_context(polypsink); *\\/ *\/ */
+/* /\*             break; *\/ */
+            
+/* /\*         case GST_STATE_READY_TO_NULL: *\/ */
+/* /\* /\\*             destroy_context(polypsink); *\\/ *\/ */
+/* /\*             break; *\/ */
+
+/* /\*         case GST_STATE_READY_TO_PAUSED: *\/ */
+/* /\*         case GST_STATE_PLAYING_TO_PAUSED: *\/ */
+
+/* /\* /\\*             create_stream(polypsink); *\\/ *\/ */
+
+/* /\* /\\*             g_message("cork on due to pause"); *\\/ *\/ */
+            
+/* /\* /\\*             if (polypsink->stream && pa_stream_get_state(polypsink->stream) == PA_STREAM_READY) *\\/ *\/ */
+/* /\* /\\*                 pa_operation_unref(pa_stream_cork(polypsink->stream, 1, NULL, NULL)); *\\/ *\/ */
+
+/* /\*             break; *\/ */
+
+/* /\*         case GST_STATE_PAUSED_TO_PLAYING: *\/ */
+
+/* /\* /\\*             create_stream(polypsink); *\\/ *\/ */
+
+/* /\* /\\*             g_message("cork off due to pause"); *\\/ *\/ */
+            
+/* /\* /\\*             if (polypsink->stream && pa_stream_get_state(polypsink->stream) == PA_STREAM_READY) *\\/ *\/ */
+/* /\* /\\*                 pa_operation_unref(pa_stream_cork(polypsink->stream, 0, NULL, NULL)); *\\/ *\/ */
+
+/* /\*             break; *\/ */
+
+/* /\*         case GST_STATE_PAUSED_TO_READY: *\/ */
+/* /\* /\\*             destroy_stream(polypsink); *\\/ *\/ */
+/* /\*             break; *\/ */
+/* /\*     } *\/ */
+    
+/*     if (GST_ELEMENT_CLASS(parent_class)->change_state) */
+/*         return GST_ELEMENT_CLASS(parent_class)->change_state (element); */
+    
+/*     return GST_STATE_SUCCESS; */
+/* } */
+
+
+/* static void do_write(GstPolypSink *polypsink, size_t length) { */
+/*     size_t l; */
+    
+/*     if (!polypsink->buffer) */
+/*         return; */
+
+/*     g_assert(polypsink->buffer_index < GST_BUFFER_SIZE(polypsink->buffer)); */
+/*     l = GST_BUFFER_SIZE(polypsink->buffer) - polypsink->buffer_index; */
+
+/*     if (l > length) */
+/*         l = length; */
+
+/*     pa_stream_write(polypsink->stream, GST_BUFFER_DATA(polypsink->buffer) + polypsink->buffer_index, l, NULL, 0); */
+/*     polypsink->buffer_index += l; */
+
+/* /\*     g_message("WROTE: %i/%i", polypsink->buffer_index, GST_BUFFER_SIZE(polypsink->buffer)); *\/ */
+
+/*     if (polypsink->buffer_index >= GST_BUFFER_SIZE(polypsink->buffer)) { */
+/*         gst_buffer_unref(polypsink->buffer); */
+/*         polypsink->buffer = NULL; */
+/*         polypsink->buffer_index = 0; */
+/*     } */
+/* } */
+
+/* static void stream_write_callback(struct pa_stream *s, size_t length, void *userdata) { */
+/*     GstPolypSink *polypsink = userdata; */
+/*     g_assert(s && length && polypsink); */
+
+/*     do_write(polypsink, length); */
+/* } */
+
+/* static void stream_state_callback(struct pa_stream *s, void *userdata) { */
+/*     GstPolypSink *polypsink = userdata; */
+/*     g_assert(s && polypsink); */
+
+/*     g_message("stream_state_callback()"); */
+    
+/*     switch (pa_stream_get_state(s)) { */
+/*         case PA_STREAM_DISCONNECTED: */
+/*         case PA_STREAM_CREATING: */
+/*             break; */
+
+/*         case PA_STREAM_READY: */
+/*             break; */
+
+/*         case PA_STREAM_FAILED: */
+/*             GST_ELEMENT_ERROR(GST_ELEMENT(polypsink), RESOURCE, BUSY, ("Stream creation failed: %s", pa_strerror(pa_context_errno(pa_stream_get_context(s)))), (NULL)); */
+
+/*             /\* Pass over *\/ */
+/*         case PA_STREAM_TERMINATED: */
+/*         default: */
+/*             polypsink->mainloop_api->quit(polypsink->mainloop_api, 1); */
+/*             destroy_context(polypsink); */
+/*             break; */
+/*     } */
+/* } */
+
+/* static void context_state_callback(struct pa_context *c, void *userdata) { */
+/*     GstPolypSink *polypsink = userdata; */
+/*     g_assert(c && polypsink); */
+
+/*     g_message("context_state_callback()"); */
+    
+/*     switch (pa_context_get_state(c)) { */
+/*         case PA_CONTEXT_UNCONNECTED: */
+/*         case PA_CONTEXT_CONNECTING: */
+/*         case PA_CONTEXT_AUTHORIZING: */
+/*         case PA_CONTEXT_SETTING_NAME: */
+/*             break; */
+
+/*         case PA_CONTEXT_READY: { */
+/*             GstElementState state; */
+/*             g_assert(!polypsink->stream); */
+            
+/*             state = gst_element_get_state(GST_ELEMENT(polypsink)); */
+/*             if (state == GST_STATE_PAUSED || state == GST_STATE_PLAYING) */
+/*                 create_stream(polypsink); */
+            
+/*             break; */
+/*         } */
+            
+/*         case PA_CONTEXT_FAILED: */
+/*             GST_ELEMENT_ERROR(GST_ELEMENT(polypsink), RESOURCE, BUSY, ("Connection failed: %s", pa_strerror(pa_context_errno(c))), (NULL)); */
+
+/*             /\* Pass over *\/ */
+/*         case PA_CONTEXT_TERMINATED: */
+/*         default: */
+/*             polypsink->mainloop_api->quit(polypsink->mainloop_api, 1); */
+/*             destroy_context(polypsink); */
+/*             break; */
+/*     } */
+/* } */
+
+/* static void create_stream(GstPolypSink *polypsink) { */
+/*     char t[256]; */
+/*     g_assert(polypsink); */
+
+/*     g_message("create_stream()"); */
+    
+/*     if (polypsink->stream) */
+/*         return; */
+
+/*     if (!polypsink->context) { */
+/*         create_context(polypsink); */
+/*         return; */
+/*     } */
+
+/*     if (!polypsink->negotiated) */
+/*         return; */
+
+/*     if (pa_context_get_state(polypsink->context) != PA_CONTEXT_READY) */
+/*         return; */
+
+/*     g_message("creating stream"); */
+    
+/*     pa_sample_spec_snprint(t, sizeof(t), &polypsink->sample_spec); */
+    
+/*     polypsink->stream = pa_stream_new(polypsink->context, "gstreamer output", &polypsink->sample_spec); */
+/*     g_assert(polypsink->stream); */
+    
+/*     pa_stream_set_state_callback(polypsink->stream, stream_state_callback, polypsink); */
+/*     pa_stream_set_write_callback(polypsink->stream, stream_write_callback, polypsink); */
+/*     pa_stream_connect_playback(polypsink->stream, NULL, NULL); */
+
+/*     g_message("create_stream()"); */
+/* } */
+
+/* static void create_context(GstPolypSink *polypsink) { */
+/*     g_assert(polypsink); */
+
+/*     g_message("create_context()"); */
+
+/*     if (polypsink->context) */
+/*         return; */
+
+/*     g_message("creating context"); */
+
+/*     polypsink->context = pa_context_new(polypsink->mainloop_api, "gstreamer"); */
+/*     g_assert(polypsink->context); */
+
+/*     pa_context_set_state_callback(polypsink->context, context_state_callback, polypsink); */
+/*     pa_context_connect(polypsink->context, NULL); */
+/* } */
+
+/* static void destroy_stream(GstPolypSink *polypsink) { */
+/*     g_message("destroy_stream()"); */
+/*     g_assert(polypsink); */
+
+/*     if (polypsink->stream) { */
+/*         struct pa_stream *s = polypsink->stream; */
+/*         polypsink->stream = NULL; */
+/*         pa_stream_set_state_callback(s, NULL, NULL); */
+/*         pa_stream_set_write_callback(s, NULL, NULL); */
+/*         pa_stream_unref(s); */
+
+/*         g_message("destroying stream"); */
+/*     } */
+/* } */
+
+/* static void destroy_context(GstPolypSink *polypsink) { */
+/*     g_message("destroy_context()"); */
+    
+/*     destroy_stream(polypsink); */
+
+/*     if (polypsink->context) { */
+/*         struct pa_context *c = polypsink->context; */
+/*         polypsink->context = NULL; */
+/*         pa_context_set_state_callback(c, NULL, NULL); */
+/*         pa_context_unref(c); */
+
+/*         g_message("destroying context"); */
+/*     } */
+/* } */
+
+static void gst_polypsink_chain(GstPad *pad, GstData *data) {
+    GstPolypSink *polypsink = GST_POLYPSINK(gst_pad_get_parent(pad));
+
+    return;
+    
+/*     g_assert(!polypsink->buffer); */
+
+/*      g_message("chain-entry");  */
+
+/*     if (GST_IS_EVENT(data)) {  */
+/*         GstEvent *event = GST_EVENT(data);  */
+        
+/*         switch (GST_EVENT_TYPE(event)) { */
+/*             case GST_EVENT_EOS: */
+/*                 g_message("EOS"); */
+/*                 if (polypsink->stream) { */
+/*                     struct pa_operation *o; */
+
+/*                     pa_operation_unref(pa_stream_cork(polypsink->stream, 0, NULL, NULL)); */
+/*                     o = pa_stream_drain(polypsink->stream, NULL, NULL); */
+
+/*                     /\* drain now *\/ */
+/*                     while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) {  */
+/*                         if (pa_mainloop_iterate(polypsink->mainloop, 1, NULL) < 0) */
+/*                             return; */
+/*                     }  */
+
+/*                     pa_operation_unref(o); */
+/*                 } */
+
+/*                 break; */
+/*             case GST_EVENT_FLUSH: */
+/*                 g_message("FLUSH"); */
+/*                 if (polypsink->stream) */
+/*                     pa_operation_unref(pa_stream_flush(polypsink->stream, NULL, NULL)); */
+/*                 break; */
+
+/*             default: */
+/*                 g_message("other event: %i", GST_EVENT_TYPE(event)); */
+/*                 break; */
+/*         } */
+        
+/*         gst_pad_event_default(polypsink->sinkpad, event); */
+/*     } else { */
+/* /\*         size_t l; *\/ */
+/* /\*         polypsink->buffer = GST_BUFFER(data); *\/ */
+/* /\*         polypsink->buffer_index = 0; *\/ */
+/* /\*         polypsink->counter += GST_BUFFER_SIZE(polypsink->buffer); *\/ */
+
+/* /\*         if (polypsink->stream && (l = pa_stream_writable_size(polypsink->stream)) > 0) *\/ */
+/* /\*             do_write(polypsink, l); *\/ */
+
+/*         gst_data_unref(data); */
+/*     } */
+
+/* /\*     while (pa_context_is_pending(polypsink->context) || polypsink->buffer) { *\/ */
+
+/* /\*           g_message("iterate start %i %i", !!pa_context_is_pending(polypsink->context), !!polypsink->buffer);   *\/ */
+        
+/* /\*         if (pa_mainloop_iterate(polypsink->mainloop, 1, NULL) < 0) *\/ */
+/* /\*             return; *\/ */
+
+/* /\*           g_message("iterate stop");   *\/ */
+
+/* /\*     } *\/ */
+
+/*      g_message("chain-exit");  */
+}
+
+/* static void stream_get_latency_callback(struct pa_stream *s, const struct pa_latency_info *i, void *userdata) { */
+/*     GstPolypSink *polypsink = (GstPolypSink*) userdata; */
+
+/*     polypsink->latency = i->buffer_usec + i->sink_usec; */
+/* } */
+
+/* static GstClockTime gst_polypsink_get_time(GstClock *clock, gpointer data) { */
+/*     struct pa_operation *o; */
+/*     GstPolypSink *polypsink = GST_POLYPSINK(data); */
+/*     GstClockTime r, l; */
+    
+/*     if (!polypsink->stream || pa_stream_get_state(polypsink->stream) != PA_STREAM_READY) */
+/*         return 0; */
+
+/*     polypsink->latency = 0; */
+    
+/*     o = pa_stream_get_latency(polypsink_>stream, latency_func, polypsink); */
+/*     g_assert(o); */
+    
+/*     while (pa_operation_get_state(o) == PA_OPERATION_RUNNING) { */
+/*         if (pa_mainloop_iterate(polypsink->mainloop, 1, NULL) < 0) */
+/*             return; */
+/*     } */
+
+/*     r = ((GstClockTime) polypsink->counter / pa_frame_size(&polypsink->sample_spec))*GST_SECOND/polypsink->sample_spec.rate; */
+/*     l = polypsink->latency*GST_USECOND; */
+
+/*     return r > l ? r - l : 0; */
+/* } */
+
+/* static GstClock *gst_polypsink_get_clock(GstElement * element) { */
+/*     GstPolypSink *polypsink = GST_POLYPSINK (element); */
+/*     return GST_CLOCK (polypsink->provided_clock); */
+/* } */
+
+/* static void gst_polypsink_set_clock (GstElement * element, GstClock * clock) { */
+/*     GstPolypSink *polypsink = GST_POLYPSINK (element); */
+/*     polypsink->clock = clock; */
+/* } */
+
+/* static GstPadLinkReturn gst_polypsink_link(GstPad *pad, const GstCaps *caps) { */
+/*     int depth = 16, endianness = 1234; */
+/*     gboolean sign = TRUE; */
+/*     GstPolypSink *polypsink; */
+/*     GstStructure *structure; */
+/*     const char *n; */
+    
+/*     polypsink = GST_POLYPSINK(gst_pad_get_parent(pad)); */
+
+/*     g_message("link: %p", polypsink); */
+    
+/*     structure = gst_caps_get_structure(caps, 0); */
+
+/*     if (!(gst_structure_get_int(structure, "depth", &depth))) */
+/*         gst_structure_get_int(structure, "width", &depth); */
+
+/*     gst_structure_get_int(structure, "endianness", &endianness); */
+/*     gst_structure_get_boolean(structure, "signed", &sign); */
+
+/*     n = gst_structure_get_name(structure); */
+
+/*     if (depth == 16 && endianness == 1234 && sign && !strcmp(n, "audio/x-raw-int")) */
+/*         polypsink->sample_spec.format = PA_SAMPLE_S16LE; */
+/*     else if (depth == 16 && endianness == 4321 && sign && !strcmp(n, "audio/x-raw-int")) */
+/*         polypsink->sample_spec.format = PA_SAMPLE_S16BE; */
+/*     else if (depth == 8 && !sign && !strcmp(n, "audio/x-raw-int")) */
+/*         polypsink->sample_spec.format = PA_SAMPLE_U8; */
+/*     else if (depth == 32 && endianness == 1234 && !strcmp(n, "audio/x-raw-float")) */
+/*         polypsink->sample_spec.format = PA_SAMPLE_FLOAT32LE; */
+/*     else if (depth == 32 && endianness == 4321 && !strcmp(n, "audio/x-raw-float")) */
+/*         polypsink->sample_spec.format = PA_SAMPLE_FLOAT32LE; */
+/*     else */
+/*         return GST_PAD_LINK_REFUSED; */
+
+
+/*     polypsink->sample_spec.rate = 0; */
+/*     polypsink->sample_spec.channels = 0; */
+    
+/*     gst_structure_get_int(structure, "channels", (int*) &polypsink->sample_spec.channels); */
+/*     gst_structure_get_int(structure, "rate", &polypsink->sample_spec.rate); */
+
+/*     if (!pa_sample_spec_valid(&polypsink->sample_spec)) */
+/*         return GST_PAD_LINK_REFUSED; */
+
+/*     polypsink->negotiated = 1; */
+
+/* /\*     destroy_stream(polypsink); *\/ */
+/*     /\*create_stream(polypsink);*\/ */
+
+/*     return GST_PAD_LINK_OK; */
+/* } */
+
+
+static void gst_polypsink_init(GTypeInstance* instance, gpointer g_class) {
+    GstPolypSink *polypsink = GST_POLYPSINK(instance);
+
+    g_message("created: %p", polypsink);
+    
+    polypsink->sinkpad = gst_pad_new_from_template(gst_element_class_get_pad_template(GST_ELEMENT_GET_CLASS (instance), "sink"), "sink");
+    
+    gst_element_add_pad(GST_ELEMENT(polypsink), polypsink->sinkpad);
+    gst_pad_set_chain_function(polypsink->sinkpad, gst_polypsink_chain);
+/*    gst_pad_set_link_function(polypsink->sinkpad, gst_polypsink_link);*/
+    
+/*    GST_FLAG_SET (polypsink, GST_ELEMENT_THREAD_SUGGESTED);*/
+    GST_FLAG_SET(polypsink, GST_ELEMENT_EVENT_AWARE);
+
+/*     polypsink->context = NULL; */
+/*     polypsink->stream = NULL; */
+
+/*     polypsink->mainloop = NULL; */
+/*     polypsink->mainloop_api = NULL; */
+
+    /*pa_mainloop_new();
+    g_assert(polypsink->mainloop);
+
+    polypsink->mainloop_api = pa_mainloop_get_api(polypsink->mainloop);*/
+
+/*     polypsink->sample_spec.rate = 0; */
+/*     polypsink->sample_spec.channels = 0; */
+/*     polypsink->sample_spec.format = 0; */
+
+/*     polypsink->negotiated = 0; */
+
+/*     polypsink->buffer = NULL; */
+/*     polypsink->buffer_index = 0; */
+
+/*     polypsink->latency = 0; */
+/*     polypsink->counter = 0; */
+
+/*     polypsink->server = NULL; */
+/*     polypsink->sink = NULL; */
+    
+}
+
+static void gst_polypsink_dispose(GObject *object) {
+    GstPolypSink *polypsink = GST_POLYPSINK(object);
+
+/*     gst_object_unparent(GST_OBJECT(polypsink->provided_clock)); */
+
+    
+/*     destroy_context(polypsink); */
+
+/*     if (polypsink->buffer) */
+/*         gst_buffer_unref(polypsink->buffer); */
+
+    
+/*     g_free(polypsink->server); */
+/*     g_free(polypsink->sink); */
+
+    
+/*     pa_mainloop_free(polypsink->mainloop); */
+    
+    G_OBJECT_CLASS(parent_class)->dispose(object);
+
+    g_message("destroyed: %p", polypsink);
+}
+    
+static void gst_polypsink_class_init(gpointer g_class, gpointer class_data) {
+    GObjectClass *gobject_class = G_OBJECT_CLASS(g_class);
+    GstElementClass *gstelement_class = GST_ELEMENT_CLASS(g_class);
+    
+    parent_class = g_type_class_peek_parent(g_class);
+
+/*     g_object_class_install_property(gobject_class, ARG_SERVER, g_param_spec_string("server", "server", "server", NULL, G_PARAM_READWRITE)); */
+/*     g_object_class_install_property(gobject_class, ARG_SINK, g_param_spec_string("sink", "sink", "sink", NULL, G_PARAM_READWRITE)); */
+
+/*     gobject_class->set_property = gst_polypsink_set_property; */
+/*     gobject_class->get_property = gst_polypsink_get_property; */
+    gobject_class->dispose = gst_polypsink_dispose;
+    
+/*     gstelement_class->change_state = gst_polypsink_change_state; */
+/*     gstelement_class->set_clock = gst_polypsink_set_clock;  */
+/*     gstelement_class->get_clock = gst_polypsink_get_clock;  */
+}
+
+
+gboolean gst_polypsink_factory_init(GstPlugin *plugin) {
+    return gst_element_register(plugin, "polypsink", GST_RANK_NONE, GST_TYPE_POLYPSINK);
+}
+
+GType gst_polypsink_get_type(void) {
+    static GType polypsink_type = 0;
+    
+    if (!polypsink_type) {
+        
+        static const GTypeInfo polypsink_info = {
+            sizeof (GstPolypSinkClass),
+            gst_polypsink_base_init,
+            NULL,
+            gst_polypsink_class_init,
+            NULL,
+            NULL,
+            sizeof(GstPolypSink),
+            0,
+            gst_polypsink_init,
+        };
+        
+        polypsink_type = g_type_register_static(GST_TYPE_ELEMENT, "GstPolypSink", &polypsink_info, 0);
+    }
+    
+    return polypsink_type;
+}