1 files changed, 76 insertions, 0 deletions
diff --git a/audio/filter/af_dummy.c b/audio/filter/af_dummy.c
new file mode 100644
index 0000000000..29a5b3d4b8
--- /dev/null
+++ b/audio/filter/af_dummy.c
@@ -0,0 +1,76 @@
+/*
+ * The name speaks for itself. This filter is a dummy and will
+ * not blow up regardless of what you do with it.
+ *
+ * This file is part of MPlayer.
+ *
+ * MPlayer is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * MPlayer 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 General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with MPlayer; if not, write to the Free Software Foundation, Inc.,
+ * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "af.h"
+
+// Initialization and runtime control
+static int control(struct af_instance* af, int cmd, void* arg)
+{
+  switch(cmd){
+  case AF_CONTROL_REINIT:
+    memcpy(af->data,(struct mp_audio*)arg,sizeof(struct mp_audio));
+    mp_msg(MSGT_AFILTER, MSGL_V, "[dummy] Was reinitialized: %iHz/%ich/%s\n",
+	af->data->rate,af->data->nch,af_fmt2str_short(af->data->format));
+    return AF_OK;
+  }
+  return AF_UNKNOWN;
+}
+
+// Deallocate memory
+static void uninit(struct af_instance* af)
+{
+    free(af->data);
+}
+
+// Filter data through filter
+static struct mp_audio* play(struct af_instance* af, struct mp_audio* data)
+{
+  // Do something necessary to get rid of annoying warning during compile
+  if(!af)
+    mp_msg(MSGT_AFILTER, MSGL_ERR, "EEEK: Argument af == NULL in af_dummy.c play().");
+  return data;
+}
+
+// Allocate memory and set function pointers
+static int af_open(struct af_instance* af){
+  af->control=control;
+  af->uninit=uninit;
+  af->play=play;
+  af->mul=1;
+  af->data=malloc(sizeof(struct mp_audio));
+  if(af->data == NULL)
+    return AF_ERROR;
+  return AF_OK;
+}
+
+// Description of this filter
+struct af_info af_info_dummy = {
+    "dummy",
+    "dummy",
+    "Anders",
+    "",
+    AF_FLAGS_REENTRANT,
+    af_open
+};