gstreamer/win32/common/gstmarshal.c

#include "gst_private.h"
#include "glib-object.h"
#include "gstmarshal.h"

#include	<glib-object.h>


#ifdef G_ENABLE_DEBUG
#define g_marshal_value_peek_boolean(v)  g_value_get_boolean (v)
#define g_marshal_value_peek_char(v)     g_value_get_char (v)
#define g_marshal_value_peek_uchar(v)    g_value_get_uchar (v)
#define g_marshal_value_peek_int(v)      g_value_get_int (v)
#define g_marshal_value_peek_uint(v)     g_value_get_uint (v)
#define g_marshal_value_peek_long(v)     g_value_get_long (v)
#define g_marshal_value_peek_ulong(v)    g_value_get_ulong (v)
#define g_marshal_value_peek_int64(v)    g_value_get_int64 (v)
#define g_marshal_value_peek_uint64(v)   g_value_get_uint64 (v)
#define g_marshal_value_peek_enum(v)     g_value_get_enum (v)
#define g_marshal_value_peek_flags(v)    g_value_get_flags (v)
#define g_marshal_value_peek_float(v)    g_value_get_float (v)
#define g_marshal_value_peek_double(v)   g_value_get_double (v)
#define g_marshal_value_peek_string(v)   (char*) g_value_get_string (v)
#define g_marshal_value_peek_param(v)    g_value_get_param (v)
#define g_marshal_value_peek_boxed(v)    g_value_get_boxed (v)
#define g_marshal_value_peek_pointer(v)  g_value_get_pointer (v)
#define g_marshal_value_peek_object(v)   g_value_get_object (v)
#define g_marshal_value_peek_variant(v)  g_value_get_variant (v)
#else /* !G_ENABLE_DEBUG */
/* WARNING: This code accesses GValues directly, which is UNSUPPORTED API.
 *          Do not access GValues directly in your code. Instead, use the
 *          g_value_get_*() functions
 */
#define g_marshal_value_peek_boolean(v)  (v)->data[0].v_int
#define g_marshal_value_peek_char(v)     (v)->data[0].v_int
#define g_marshal_value_peek_uchar(v)    (v)->data[0].v_uint
#define g_marshal_value_peek_int(v)      (v)->data[0].v_int
#define g_marshal_value_peek_uint(v)     (v)->data[0].v_uint
#define g_marshal_value_peek_long(v)     (v)->data[0].v_long
#define g_marshal_value_peek_ulong(v)    (v)->data[0].v_ulong
#define g_marshal_value_peek_int64(v)    (v)->data[0].v_int64
#define g_marshal_value_peek_uint64(v)   (v)->data[0].v_uint64
#define g_marshal_value_peek_enum(v)     (v)->data[0].v_long
#define g_marshal_value_peek_flags(v)    (v)->data[0].v_ulong
#define g_marshal_value_peek_float(v)    (v)->data[0].v_float
#define g_marshal_value_peek_double(v)   (v)->data[0].v_double
#define g_marshal_value_peek_string(v)   (v)->data[0].v_pointer
#define g_marshal_value_peek_param(v)    (v)->data[0].v_pointer
#define g_marshal_value_peek_boxed(v)    (v)->data[0].v_pointer
#define g_marshal_value_peek_pointer(v)  (v)->data[0].v_pointer
#define g_marshal_value_peek_object(v)   (v)->data[0].v_pointer
#define g_marshal_value_peek_variant(v)  (v)->data[0].v_pointer
#endif /* !G_ENABLE_DEBUG */


/* VOID:VOID (./gstmarshal.list:1) */

/* VOID:BOOLEAN (./gstmarshal.list:2) */

/* VOID:INT (./gstmarshal.list:3) */

/* VOID:STRING (./gstmarshal.list:4) */

/* VOID:BOXED (./gstmarshal.list:5) */

/* VOID:BOXED,OBJECT (./gstmarshal.list:6) */
void
gst_marshal_VOID__BOXED_OBJECT (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__BOXED_OBJECT) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer data2);
  register GMarshalFunc_VOID__BOXED_OBJECT callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__BOXED_OBJECT) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_boxed (param_values + 1),
      g_marshal_value_peek_object (param_values + 2), data2);
}

/* VOID:POINTER (./gstmarshal.list:7) */

/* VOID:POINTER,OBJECT (./gstmarshal.list:8) */
void
gst_marshal_VOID__POINTER_OBJECT (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__POINTER_OBJECT) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer data2);
  register GMarshalFunc_VOID__POINTER_OBJECT callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__POINTER_OBJECT) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_pointer (param_values + 1),
      g_marshal_value_peek_object (param_values + 2), data2);
}

/* VOID:OBJECT (./gstmarshal.list:9) */

/* VOID:OBJECT,OBJECT (./gstmarshal.list:10) */
void
gst_marshal_VOID__OBJECT_OBJECT (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__OBJECT_OBJECT) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer data2);
  register GMarshalFunc_VOID__OBJECT_OBJECT callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__OBJECT_OBJECT) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_object (param_values + 1),
      g_marshal_value_peek_object (param_values + 2), data2);
}

/* VOID:OBJECT,PARAM (./gstmarshal.list:11) */
void
gst_marshal_VOID__OBJECT_PARAM (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__OBJECT_PARAM) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer data2);
  register GMarshalFunc_VOID__OBJECT_PARAM callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__OBJECT_PARAM) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_object (param_values + 1),
      g_marshal_value_peek_param (param_values + 2), data2);
}

/* VOID:OBJECT,POINTER (./gstmarshal.list:12) */
void
gst_marshal_VOID__OBJECT_POINTER (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__OBJECT_POINTER) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer data2);
  register GMarshalFunc_VOID__OBJECT_POINTER callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__OBJECT_POINTER) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_object (param_values + 1),
      g_marshal_value_peek_pointer (param_values + 2), data2);
}

/* VOID:OBJECT,BOXED (./gstmarshal.list:13) */
void
gst_marshal_VOID__OBJECT_BOXED (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__OBJECT_BOXED) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer data2);
  register GMarshalFunc_VOID__OBJECT_BOXED callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__OBJECT_BOXED) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_object (param_values + 1),
      g_marshal_value_peek_boxed (param_values + 2), data2);
}

/* VOID:OBJECT,BOXED,STRING (./gstmarshal.list:14) */
void
gst_marshal_VOID__OBJECT_BOXED_STRING (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__OBJECT_BOXED_STRING) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer arg_3, gpointer data2);
  register GMarshalFunc_VOID__OBJECT_BOXED_STRING callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 4);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__OBJECT_BOXED_STRING) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_object (param_values + 1),
      g_marshal_value_peek_boxed (param_values + 2),
      g_marshal_value_peek_string (param_values + 3), data2);
}

/* VOID:OBJECT,OBJECT,STRING (./gstmarshal.list:15) */
void
gst_marshal_VOID__OBJECT_OBJECT_STRING (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__OBJECT_OBJECT_STRING) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer arg_3, gpointer data2);
  register GMarshalFunc_VOID__OBJECT_OBJECT_STRING callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 4);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__OBJECT_OBJECT_STRING) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_object (param_values + 1),
      g_marshal_value_peek_object (param_values + 2),
      g_marshal_value_peek_string (param_values + 3), data2);
}

/* VOID:OBJECT,STRING (./gstmarshal.list:16) */
void
gst_marshal_VOID__OBJECT_STRING (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__OBJECT_STRING) (gpointer data1,
      gpointer arg_1, gpointer arg_2, gpointer data2);
  register GMarshalFunc_VOID__OBJECT_STRING callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__OBJECT_STRING) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_object (param_values + 1),
      g_marshal_value_peek_string (param_values + 2), data2);
}

/* VOID:INT,INT (./gstmarshal.list:17) */
void
gst_marshal_VOID__INT_INT (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__INT_INT) (gpointer data1,
      gint arg_1, gint arg_2, gpointer data2);
  register GMarshalFunc_VOID__INT_INT callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__INT_INT) (marshal_data ? marshal_data : cc->callback);

  callback (data1,
      g_marshal_value_peek_int (param_values + 1),
      g_marshal_value_peek_int (param_values + 2), data2);
}

/* VOID:INT64 (./gstmarshal.list:18) */
void
gst_marshal_VOID__INT64 (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__INT64) (gpointer data1,
      gint64 arg_1, gpointer data2);
  register GMarshalFunc_VOID__INT64 callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 2);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__INT64) (marshal_data ? marshal_data : cc->callback);

  callback (data1, g_marshal_value_peek_int64 (param_values + 1), data2);
}

/* VOID:UINT,BOXED (./gstmarshal.list:19) */
void
gst_marshal_VOID__UINT_BOXED (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef void (*GMarshalFunc_VOID__UINT_BOXED) (gpointer data1,
      guint arg_1, gpointer arg_2, gpointer data2);
  register GMarshalFunc_VOID__UINT_BOXED callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;

  g_return_if_fail (n_param_values == 3);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_VOID__UINT_BOXED) (marshal_data ? marshal_data :
      cc->callback);

  callback (data1,
      g_marshal_value_peek_uint (param_values + 1),
      g_marshal_value_peek_boxed (param_values + 2), data2);
}

/* VOID:UINT,POINTER (./gstmarshal.list:20) */

/* BOOLEAN:VOID (./gstmarshal.list:21) */
void
gst_marshal_BOOLEAN__VOID (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef gboolean (*GMarshalFunc_BOOLEAN__VOID) (gpointer data1,
      gpointer data2);
  register GMarshalFunc_BOOLEAN__VOID callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;
  gboolean v_return;

  g_return_if_fail (return_value != NULL);
  g_return_if_fail (n_param_values == 1);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_BOOLEAN__VOID) (marshal_data ? marshal_data : cc->callback);

  v_return = callback (data1, data2);

  g_value_set_boolean (return_value, v_return);
}

/* BOOLEAN:POINTER (./gstmarshal.list:22) */
void
gst_marshal_BOOLEAN__POINTER (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef gboolean (*GMarshalFunc_BOOLEAN__POINTER) (gpointer data1,
      gpointer arg_1, gpointer data2);
  register GMarshalFunc_BOOLEAN__POINTER callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;
  gboolean v_return;

  g_return_if_fail (return_value != NULL);
  g_return_if_fail (n_param_values == 2);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_BOOLEAN__POINTER) (marshal_data ? marshal_data :
      cc->callback);

  v_return = callback (data1,
      g_marshal_value_peek_pointer (param_values + 1), data2);

  g_value_set_boolean (return_value, v_return);
}

/* BOOLEAN:BOXED (./gstmarshal.list:23) */
void
gst_marshal_BOOLEAN__BOXED (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef gboolean (*GMarshalFunc_BOOLEAN__BOXED) (gpointer data1,
      gpointer arg_1, gpointer data2);
  register GMarshalFunc_BOOLEAN__BOXED callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;
  gboolean v_return;

  g_return_if_fail (return_value != NULL);
  g_return_if_fail (n_param_values == 2);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_BOOLEAN__BOXED) (marshal_data ? marshal_data :
      cc->callback);

  v_return = callback (data1,
      g_marshal_value_peek_boxed (param_values + 1), data2);

  g_value_set_boolean (return_value, v_return);
}

/* POINTER:POINTER (./gstmarshal.list:24) */
void
gst_marshal_POINTER__POINTER (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef gpointer (*GMarshalFunc_POINTER__POINTER) (gpointer data1,
      gpointer arg_1, gpointer data2);
  register GMarshalFunc_POINTER__POINTER callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;
  gpointer v_return;

  g_return_if_fail (return_value != NULL);
  g_return_if_fail (n_param_values == 2);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_POINTER__POINTER) (marshal_data ? marshal_data :
      cc->callback);

  v_return = callback (data1,
      g_marshal_value_peek_pointer (param_values + 1), data2);

  g_value_set_pointer (return_value, v_return);
}

/* BOXED:BOXED (./gstmarshal.list:25) */
void
gst_marshal_BOXED__BOXED (GClosure * closure,
    GValue * return_value G_GNUC_UNUSED,
    guint n_param_values,
    const GValue * param_values,
    gpointer invocation_hint G_GNUC_UNUSED, gpointer marshal_data)
{
  typedef gpointer (*GMarshalFunc_BOXED__BOXED) (gpointer data1,
      gpointer arg_1, gpointer data2);
  register GMarshalFunc_BOXED__BOXED callback;
  register GCClosure *cc = (GCClosure *) closure;
  register gpointer data1, data2;
  gpointer v_return;

  g_return_if_fail (return_value != NULL);
  g_return_if_fail (n_param_values == 2);

  if (G_CCLOSURE_SWAP_DATA (closure)) {
    data1 = closure->data;
    data2 = g_value_peek_pointer (param_values + 0);
  } else {
    data1 = g_value_peek_pointer (param_values + 0);
    data2 = closure->data;
  }
  callback =
      (GMarshalFunc_BOXED__BOXED) (marshal_data ? marshal_data : cc->callback);

  v_return = callback (data1,
      g_marshal_value_peek_boxed (param_values + 1), data2);

  g_value_take_boxed (return_value, v_return);
}