adding sidplay no checks in yet though

Original commit message from CVS: adding sidplay no checks in yet though
2024-11-27 20:21:24 +00:00 · 2001-12-23 15:41:33 +00:00 · 2001-12-23 15:41:33 +00:00 · 97d72b4f0e
commit 97d72b4f0e
parent 0a50ac12e1
3 changed files with 626 additions and 0 deletions
--- a/ext/sidplay/Makefile.am
+++ b/ext/sidplay/Makefile.am
@ -0,0 +1,10 @@
+plugindir = $(libdir)/gst
+
+plugin_LTLIBRARIES = libgstsid.la
+
+libgstsid_la_SOURCES = gstsiddec.cc
+
+noinst_HEADERS = gstsiddec.h
+libgstsid_la_CXXFLAGS = $(SIDPLAY_CFLAGS) $(GST_CFLAGS)
+
+libgstsid_la_LIBADD = $(SIDPLAY_LIBS) 
--- a/ext/sidplay/gstsiddec.cc
+++ b/ext/sidplay/gstsiddec.cc
@ -0,0 +1,539 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#include <string.h>
+
+#include "gstsiddec.h"
+
+/* elementfactory information */
+static GstElementDetails gst_siddec_details = {
+  "Sid decoder",
+  "Filter/Decoder/Audio",
+  "Use sidplay to decode SID audio tunes",
+  VERSION,
+  "Wim Taymans <wim.taymans@chello.be> ",
+  "(C) 2001",
+};
+
+static GstCaps* sid_typefind (GstBuffer *buf, gpointer priv);
+
+/* typefactory for 'sid' */
+static GstTypeDefinition siddefinition = {
+  "siddec_audio/sid",
+  "audio/sid",
+  ".sid",
+  sid_typefind,
+};
+
+
+/* Sidec signals and args */
+enum {
+  /* FILL ME */
+  LAST_SIGNAL
+};
+
+enum {
+  ARG_0,
+  ARG_DEPTH,
+  ARG_CHANNELS,
+  ARG_FREQUENCY,
+  ARG_TUNE,
+  ARG_CLOCK,
+  ARG_MEMORY,
+  ARG_FILTER,
+  ARG_MEASURED_VOLUME,
+  ARG_MOS8580,
+  ARG_FORCE_SPEED,
+  /* FILL ME */
+};
+
+GST_PADTEMPLATE_FACTORY (sink_templ,
+  "sink",
+  GST_PAD_SINK,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "siddecoder_sink",
+    "audio/sid",
+    NULL
+  )
+)
+
+GST_PADTEMPLATE_FACTORY (src_templ,
+  "src",
+  GST_PAD_SRC,
+  GST_PAD_ALWAYS,
+  GST_CAPS_NEW (
+    "src_audio",
+    "audio/raw",
+      "format",       GST_PROPS_STRING ("int"),
+        "law",        GST_PROPS_INT (0),            
+        "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+	"signed",     GST_PROPS_LIST (
+	                GST_PROPS_BOOLEAN (TRUE),
+		        GST_PROPS_BOOLEAN (FALSE)
+		      ),
+	"width",      GST_PROPS_LIST (
+	                GST_PROPS_INT (8),
+		        GST_PROPS_INT (16)
+		      ),
+	"depth",      GST_PROPS_LIST (
+	                GST_PROPS_INT (8),
+		        GST_PROPS_INT (16)
+		      ),
+        "rate",       GST_PROPS_INT_RANGE (8000, 48000),
+        "channels",   GST_PROPS_INT_RANGE (1, 2)
+  )
+)
+
+enum {
+  SID_STATE_NEED_TUNE = 1,
+  SID_STATE_LOAD_TUNE = 2,
+  SID_STATE_PLAY_TUNE = 3,
+};
+
+#define GST_TYPE_SID_DEPTH (gst_sid_depth_get_type())
+static GType
+gst_sid_depth_get_type (void)
+{
+  static GType sid_depth_type = 0;
+  static GEnumValue sid_depth[] = {
+    { SIDEMU_8BIT,   "8",  "8 bit" },
+    { SIDEMU_16BIT,  "16", "16 bit" },
+    { 0, NULL, NULL },
+  };
+  if (!sid_depth_type) {
+    sid_depth_type = g_enum_register_static ("GstSidDepth", sid_depth);
+  }
+  return sid_depth_type;
+}
+
+#define GST_TYPE_SID_CHANNELS (gst_sid_channels_get_type())
+static GType
+gst_sid_channels_get_type (void)
+{
+  static GType sid_channels_type = 0;
+  static GEnumValue sid_channels[] = {
+    { SIDEMU_MONO,   "1", "Mono" },
+    { SIDEMU_STEREO, "2", "Stereo" },
+    { 0, NULL, NULL },
+  };
+  if (!sid_channels_type) {
+    sid_channels_type = g_enum_register_static ("GstSidChannels", sid_channels);
+  }
+  return sid_channels_type;
+}
+
+#define GST_TYPE_SID_FREQUENCY (gst_sid_frequency_get_type())
+static GType
+gst_sid_frequency_get_type (void)
+{
+  static GType sid_frequency_type = 0;
+  static GEnumValue sid_frequency[] = {
+    { 8000,   "8000",  "8000 Hz" },
+    { 11025,  "11025", "11025 Hz" },
+    { 16500,  "16500", "16500 Hz" },
+    { 22050,  "22050", "22050 Hz" },
+    { 27500,  "27500", "27500 Hz" },
+    { 32000,  "32000", "32000 Hz" },
+    { 37500,  "37500", "37500 Hz" },
+    { 44100,  "44100", "44100 Hz" },
+    { 48000,  "48000", "48000 Hz" },
+    { 0, NULL, NULL },
+  };
+  if (!sid_frequency_type) {
+    sid_frequency_type = g_enum_register_static ("GstSidFrequency", sid_frequency);
+  }
+  return sid_frequency_type;
+}
+
+#define GST_TYPE_SID_CLOCK (gst_sid_clock_get_type())
+static GType
+gst_sid_clock_get_type (void)
+{
+  static GType sid_clock_type = 0;
+  static GEnumValue sid_clock[] = {
+    { SIDTUNE_CLOCK_PAL,   "0", "PAL" },
+    { SIDTUNE_CLOCK_NTSC,  "1", "NTSC" },
+    { 0, NULL, NULL },
+  };
+  if (!sid_clock_type) {
+    sid_clock_type = g_enum_register_static ("GstSidClock", sid_clock);
+  }
+  return sid_clock_type;
+}
+
+#define GST_TYPE_SID_MEMORY (gst_sid_memory_get_type())
+static GType
+gst_sid_memory_get_type (void)
+{
+  static GType sid_memory_type = 0;
+  static GEnumValue sid_memory[] = {
+    { MPU_BANK_SWITCHING,      "32", "Bank Switching" },
+    { MPU_TRANSPARENT_ROM,     "33", "Transparent ROM" },
+    { MPU_PLAYSID_ENVIRONMENT, "34", "Playsid Environment" },
+    { 0, NULL, NULL },
+  };
+  if (!sid_memory_type) {
+    sid_memory_type = g_enum_register_static ("GstSidMemory", sid_memory);
+  }
+  return sid_memory_type;
+}
+
+static void 	gst_siddec_class_init		(GstSidDec *klass);
+static void 	gst_siddec_init			(GstSidDec *siddec);
+
+static void 	gst_siddec_loop 		(GstElement *element);
+
+static void     gst_siddec_get_property         (GObject *object, guint prop_id, 
+						 GValue *value, GParamSpec *pspec);
+static void     gst_siddec_set_property         (GObject *object, guint prop_id, 
+						 const GValue *value, GParamSpec *pspec);
+
+static GstElementClass *parent_class = NULL;
+//static guint gst_siddec_signals[LAST_SIGNAL] = { 0 };
+
+GType
+gst_siddec_get_type (void) 
+{
+  static GType siddec_type = 0;
+
+  if (!siddec_type) {
+    static const GTypeInfo siddec_info = {
+      sizeof(GstSidDecClass),      
+      NULL,
+      NULL,
+      (GClassInitFunc) gst_siddec_class_init,
+      NULL,
+      NULL,
+      sizeof(GstSidDec),
+      0,
+      (GInstanceInitFunc) gst_siddec_init,
+      NULL
+    };
+    siddec_type = g_type_register_static (GST_TYPE_ELEMENT, "GstSidDec", &siddec_info, (GTypeFlags)0);
+  }
+
+  return siddec_type;
+}
+
+static GstCaps*
+sid_typefind (GstBuffer *buf, gpointer priv)
+{
+  guchar *data = GST_BUFFER_DATA (buf);
+  GstCaps *newcaps;
+
+  GST_DEBUG (0,"sid_demux: typefind\n");
+
+  if (strncmp ((const char *)data, "PSID", 4))
+    return NULL;
+
+  newcaps = gst_caps_new ("sid_typefind","audio/sid", NULL);
+
+  return newcaps;
+}
+
+static void
+gst_siddec_class_init (GstSidDec *klass) 
+{
+  GObjectClass *gobject_class;
+  GstElementClass *gstelement_class;
+
+  gobject_class = (GObjectClass*)klass;
+  gstelement_class = (GstElementClass*)klass;
+
+  parent_class = GST_ELEMENT_CLASS (g_type_class_ref (GST_TYPE_ELEMENT));
+
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_DEPTH,
+    g_param_spec_enum ("depth", "depth", "depth",
+                       GST_TYPE_SID_DEPTH, SIDEMU_16BIT, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CHANNELS,
+    g_param_spec_enum ("channels", "channels", "channels",
+                       GST_TYPE_SID_CHANNELS, SIDEMU_STEREO, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FREQUENCY,
+    g_param_spec_enum ("frequency", "frequency", "frequency",
+                       GST_TYPE_SID_FREQUENCY, 44100, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_TUNE,
+    g_param_spec_int ("tune", "tune", "tune",
+                       1, 100, 1, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_CLOCK,
+    g_param_spec_enum ("clock", "clock", "clock",
+                       GST_TYPE_SID_CLOCK, SIDTUNE_CLOCK_PAL, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MEMORY,
+    g_param_spec_enum ("memory", "memory", "memory",
+                       GST_TYPE_SID_MEMORY, MPU_PLAYSID_ENVIRONMENT, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FILTER,
+    g_param_spec_boolean ("filter", "filter", "filter",
+                       TRUE, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MEASURED_VOLUME,
+    g_param_spec_boolean ("measured_volume", "measured_volume", "measured_volume",
+                       TRUE, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_MOS8580,
+    g_param_spec_boolean ("mos8580", "mos8580", "mos8580",
+                       TRUE, (GParamFlags)G_PARAM_READWRITE));
+  g_object_class_install_property(G_OBJECT_CLASS(klass), ARG_FORCE_SPEED,
+    g_param_spec_boolean ("force_speed", "force_speed", "force_speed",
+                       TRUE, (GParamFlags)G_PARAM_READWRITE));
+
+  gobject_class->set_property = gst_siddec_set_property;
+  gobject_class->get_property = gst_siddec_get_property;
+}
+
+static void 
+gst_siddec_init (GstSidDec *siddec) 
+{
+  siddec->sinkpad = gst_pad_new_from_template (
+  		GST_PADTEMPLATE_GET (sink_templ), "sink");
+  gst_element_add_pad (GST_ELEMENT (siddec), siddec->sinkpad);
+
+  siddec->srcpad = gst_pad_new_from_template (
+  		GST_PADTEMPLATE_GET (src_templ), "src");
+  gst_element_add_pad (GST_ELEMENT (siddec), siddec->srcpad);
+
+  gst_element_set_loop_function (GST_ELEMENT (siddec), gst_siddec_loop);
+
+  siddec->engine = new emuEngine();
+  siddec->tune = new sidTune(0);
+  siddec->config = (emuConfig *)g_malloc (sizeof (emuConfig));
+
+  siddec->config->frequency = 44100;                       // frequency
+  siddec->config->bitsPerSample = SIDEMU_16BIT;            // bits per sample
+  siddec->config->sampleFormat = SIDEMU_SIGNED_PCM;        // sample fomat
+  siddec->config->channels = SIDEMU_STEREO;                // channels
+  siddec->config->sidChips = 0;                            // -
+  siddec->config->volumeControl = SIDEMU_NONE;             // volume control
+  siddec->config->mos8580 = TRUE;                          // mos8580
+  siddec->config->measuredVolume = TRUE;                   // measure volume
+  siddec->config->emulateFilter = TRUE;                    // emulate filter
+  siddec->config->filterFs = SIDEMU_DEFAULTFILTERFS;       // filter Fs
+  siddec->config->filterFm = SIDEMU_DEFAULTFILTERFM;       // filter Fm
+  siddec->config->filterFt = SIDEMU_DEFAULTFILTERFT;       // filter Ft
+  siddec->config->memoryMode = MPU_PLAYSID_ENVIRONMENT;    // memory mode
+  siddec->config->clockSpeed = SIDTUNE_CLOCK_PAL;          // clock speed
+  siddec->config->forceSongSpeed = TRUE;                   // force song speed
+  siddec->config->digiPlayerScans = 0;                     // digi player scans
+  siddec->config->autoPanning = SIDEMU_NONE;               // auto panning
+
+  siddec->engine->setConfig (*siddec->config);
+  siddec->engine->setDefaultFilterStrength ();
+
+  siddec->state = SID_STATE_NEED_TUNE;
+  siddec->tune_buffer = (guchar *) g_malloc (maxSidtuneFileLen);
+  siddec->tune_len = 0;
+  siddec->tune_number = 1;
+}
+
+static void 
+gst_siddec_loop (GstElement *element)
+{
+  GstSidDec *siddec;
+
+  siddec = GST_SIDDEC (element);
+
+  do {
+    if (siddec->state == SID_STATE_NEED_TUNE) {
+      GstBuffer *buf = gst_pad_pull (siddec->sinkpad);
+      g_assert (buf != NULL);
+      
+      if (GST_IS_EVENT (buf)) {
+        switch (GST_EVENT_TYPE (buf)) {
+	  case GST_EVENT_EOS:
+            siddec->state = SID_STATE_LOAD_TUNE;
+	    break;
+	  default:
+	    // bail out, we're not going to do anything
+	    gst_element_set_state (element, GST_STATE_PAUSED);
+	    gst_pad_send_event (siddec->srcpad, gst_event_new (GST_EVENT_EOS));
+	    break;
+	}
+      }
+      else {
+        memcpy (siddec->tune_buffer+siddec->tune_len, GST_BUFFER_DATA (buf), GST_BUFFER_SIZE (buf));
+        siddec->tune_len += GST_BUFFER_SIZE (buf);
+
+        gst_buffer_unref (buf);
+      }
+    }
+    if (siddec->state == SID_STATE_LOAD_TUNE) {
+
+      if (siddec->tune->load (siddec->tune_buffer, siddec->tune_len)) {
+        if (sidEmuInitializeSong (*siddec->engine, *siddec->tune, siddec->tune_number)) {
+
+	  gst_pad_set_caps (siddec->srcpad, 
+			  GST_CAPS_NEW (
+			    "siddec_src",
+			    "audio/raw",
+			      "format",       GST_PROPS_STRING ("int"),
+			        "law",        GST_PROPS_INT (0),            
+			        "endianness", GST_PROPS_INT (G_BYTE_ORDER),
+			        "signed",     GST_PROPS_BOOLEAN (siddec->config->bitsPerSample==8?FALSE:TRUE),
+			        "width",      GST_PROPS_INT (siddec->config->bitsPerSample),
+			        "depth",      GST_PROPS_INT (siddec->config->bitsPerSample),
+			        "rate",       GST_PROPS_INT (siddec->config->frequency),
+			        "channels",   GST_PROPS_INT (siddec->config->channels)
+				));
+	  siddec->state = SID_STATE_PLAY_TUNE;
+        }
+        else {
+          g_warning ("siddec: could not initialize song\n");
+        }
+      }
+      else {
+        g_warning ("siddec: could not load song\n");
+      }
+    }
+    if (siddec->state == SID_STATE_PLAY_TUNE) {
+      GstBuffer *out = gst_buffer_new ();
+
+      GST_BUFFER_SIZE (out) = 4096;
+      GST_BUFFER_DATA (out) = (guchar *)g_malloc (4096);
+
+      sidEmuFillBuffer (*siddec->engine, *siddec->tune,
+    		      GST_BUFFER_DATA (out), GST_BUFFER_SIZE (out));
+
+      gst_pad_push (siddec->srcpad, out);
+    }
+  } while (!GST_ELEMENT_IS_COTHREAD_STOPPING (element));
+}
+
+static void 
+gst_siddec_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec)
+{
+  GstSidDec *siddec;
+
+  /* it's not null if we got it, but it might not be ours */
+  g_return_if_fail(GST_IS_SIDDEC(object));
+  siddec = GST_SIDDEC(object);
+
+  switch(prop_id) {
+    case ARG_DEPTH:
+      siddec->config->bitsPerSample =  g_value_get_enum (value);
+      siddec->config->sampleFormat = (siddec->config->bitsPerSample==8?
+      			SIDEMU_UNSIGNED_PCM:
+      			SIDEMU_SIGNED_PCM);
+      break;
+    case ARG_CHANNELS:
+      siddec->config->channels = g_value_get_enum (value);
+      break;
+    case ARG_FREQUENCY:
+      siddec->config->frequency = g_value_get_enum (value);
+      break;
+    case ARG_TUNE:
+      siddec->tune_number = g_value_get_int (value);
+      break;
+    case ARG_CLOCK:
+      siddec->config->clockSpeed = g_value_get_enum (value);
+      break;
+    case ARG_MEMORY:
+      siddec->config->memoryMode = g_value_get_enum (value);
+      break;
+    case ARG_FILTER:
+      siddec->config->emulateFilter = g_value_get_boolean (value);
+      break;
+    case ARG_MEASURED_VOLUME:
+      siddec->config->measuredVolume = g_value_get_boolean (value);
+      break;
+    case ARG_MOS8580:
+      siddec->config->mos8580 = g_value_get_boolean (value);
+      break;
+    case ARG_FORCE_SPEED:
+      siddec->config->forceSongSpeed = g_value_get_boolean (value);
+      break;
+    default:
+      /* G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); */
+      return;
+  }
+  siddec->engine->setConfig (*siddec->config);
+}
+
+static void 
+gst_siddec_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec)
+{
+  GstSidDec *siddec;
+
+  /* it's not null if we got it, but it might not be ours */
+  g_return_if_fail(GST_IS_SIDDEC(object));
+  siddec = GST_SIDDEC(object);
+
+  switch(prop_id) {
+    case ARG_DEPTH:
+      g_value_set_enum (value, siddec->config->bitsPerSample);
+      break;
+    case ARG_CHANNELS:
+      g_value_set_enum (value, siddec->config->channels);
+      break;
+    case ARG_FREQUENCY:
+      g_value_set_enum (value, siddec->config->frequency);
+      break;
+    case ARG_TUNE:
+      g_value_set_int (value, siddec->tune_number);
+      break;
+    case ARG_CLOCK:
+      g_value_set_enum (value, siddec->config->clockSpeed);
+      break;
+    case ARG_MEMORY:
+      g_value_set_enum (value, siddec->config->memoryMode);
+      break;
+    case ARG_FILTER:
+      g_value_set_boolean (value, siddec->config->emulateFilter);
+      break;
+    case ARG_MEASURED_VOLUME:
+      g_value_set_boolean (value, siddec->config->measuredVolume);
+      break;
+    case ARG_MOS8580:
+      g_value_set_boolean (value, siddec->config->mos8580);
+      break;
+    case ARG_FORCE_SPEED:
+      g_value_set_boolean (value, siddec->config->forceSongSpeed);
+      break;
+    default:
+      /* G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); */
+      break;
+  }
+}
+
+static gboolean
+plugin_init (GModule *module, GstPlugin *plugin)
+{
+  GstElementFactory *factory;
+  GstTypeFactory *type;
+
+  /* create an elementfactory for the avi_demux element */
+  factory = gst_elementfactory_new ("siddec",GST_TYPE_SIDDEC,
+                                    &gst_siddec_details);
+  g_return_val_if_fail (factory != NULL, FALSE);
+
+  gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (src_templ));
+  gst_elementfactory_add_padtemplate (factory, GST_PADTEMPLATE_GET (sink_templ));
+
+  type = gst_typefactory_new (&siddefinition);
+  gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (type));
+
+  gst_plugin_add_feature (plugin, GST_PLUGIN_FEATURE (factory));
+
+  return TRUE;
+}
+
+GstPluginDesc plugin_desc = {
+  GST_VERSION_MAJOR,
+  GST_VERSION_MINOR,
+  "siddec",
+  plugin_init
+};
+
--- a/ext/sidplay/gstsiddec.h
+++ b/ext/sidplay/gstsiddec.h
@ -0,0 +1,77 @@
+/* Gnome-Streamer
+ * Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
+ *
+ * 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., 59 Temple Place - Suite 330,
+ * Boston, MA 02111-1307, USA.
+ */
+
+
+#ifndef __GST_SIDDEC_H__
+#define __GST_SIDDEC_H__
+
+
+#include <config.h>
+
+#include <stdlib.h>
+#include <sidplay/player.h>
+
+#ifdef __cplusplus
+extern "C" {
+#endif /* __cplusplus */
+
+#include <gst/gst.h>
+
+#define GST_TYPE_SIDDEC \
+  (gst_siddec_get_type())
+#define GST_SIDDEC(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_SIDDEC,GstSidDec))
+#define GST_SIDDEC_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_SIDDEC,GstSidDec))
+#define GST_IS_SIDDEC(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_SIDDEC))
+#define GST_IS_SIDDEC_CLASS(obj) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_SIDDEC))
+
+typedef struct _GstSidDec GstSidDec;
+typedef struct _GstSidDecClass GstSidDecClass;
+
+struct _GstSidDec {
+  GstElement element;
+
+  /* pads */
+  GstPad *sinkpad, *srcpad;
+
+  gint state;
+  guchar *tune_buffer;
+  gint tune_len;
+  gint tune_number;
+
+  emuEngine *engine;
+  sidTune *tune;
+  emuConfig *config;
+};
+
+struct _GstSidDecClass {
+  GstElementClass parent_class;
+};
+
+GType gst_siddec_get_type (void);
+	
+#ifdef __cplusplus
+}
+#endif /* __cplusplus */
+
+
+#endif /* __GST_SIDDEC_H__ */