resindvd: First part of the re-plugging audio decoder

3 files changed, 198 insertions, 0 deletions

diff --git a/ext/resindvd/Makefile.am b/ext/resindvd/Makefile.am
index dbf34d43..3a00d151 100644
--- a/ext/resindvd/Makefile.am
+++ b/ext/resindvd/Makefile.am
@@ -6,6 +6,7 @@ libresindvd_la_SOURCES = \
         plugin.c \
         resindvdbin.c \
 	rsnaudiomunge.c \
+	rsnaudiodec.c \
 	rsnbasesrc.c \
 	rsnpushsrc.c \
 	rsnstreamselector.c \
@@ -23,6 +24,7 @@ libresindvd_la_LIBTOOLFLAGS = --tag=disable-static
 
 noinst_HEADERS = resindvdbin.h \
 	rsnaudiomunge.h \
+	rsnaudiodec.h \
 	rsnbasesrc.h \
 	rsnpushsrc.h \
 	rsnstreamselector.h \
diff --git a/ext/resindvd/rsnaudiodec.c b/ext/resindvd/rsnaudiodec.c
new file mode 100644
index 00000000..df7fc0c8
--- /dev/null
+++ b/ext/resindvd/rsnaudiodec.c
@@ -0,0 +1,143 @@
+/* GStreamer
+ * Copyright (C) <2009> Jan Schmidt <thaytan@noraisin.net>
+ *
+ * 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include "rsnaudiodec.h"
+
+GST_DEBUG_CATEGORY_STATIC (rsn_audiodec_debug);
+#define GST_CAT_DEFAULT rsn_audiodec_debug
+
+static GstStaticPadTemplate sink_template = GST_STATIC_PAD_TEMPLATE ("sink",
+    GST_PAD_SINK,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/mpeg,mpegversion=(int)1;"
+        "audio/x-private1-lpcm;"
+        "audio/x-private1-ac3;" "audio/x-private1-dts;" "audio/ac3")
+    );
+
+static GstStaticPadTemplate src_template = GST_STATIC_PAD_TEMPLATE ("src",
+    GST_PAD_SRC,
+    GST_PAD_ALWAYS,
+    GST_STATIC_CAPS ("audio/x-raw-float, "
+        "rate = (int) [ 1, MAX ], "
+        "channels = (int) [ 1, MAX ], "
+        "endianness = (int) BYTE_ORDER, "
+        "width = (int) { 32, 64 }; "
+        "audio/x-raw-int, "
+        "rate = (int) [ 1, MAX ], "
+        "channels = (int) [ 1, MAX ], "
+        "endianness = (int) BYTE_ORDER, "
+        "width = (int) 32, "
+        "depth = (int) 32, "
+        "signed = (boolean) true; "
+        "audio/x-raw-int, "
+        "rate = (int) [ 1, MAX ], "
+        "channels = (int) [ 1, MAX ], "
+        "endianness = (int) BYTE_ORDER, "
+        "width = (int) 24, "
+        "depth = (int) 24, "
+        "signed = (boolean) true; "
+        "audio/x-raw-int, "
+        "rate = (int) [ 1, MAX ], "
+        "channels = (int) [ 1, MAX ], "
+        "endianness = (int) BYTE_ORDER, "
+        "width = (int) 16, "
+        "depth = (int) 16, "
+        "signed = (boolean) true; "
+        "audio/x-raw-int, "
+        "rate = (int) [ 1, MAX ], "
+        "channels = (int) [ 1, MAX ], "
+        "endianness = (int) BYTE_ORDER, "
+        "width = (int) 8, " "depth = (int) 8, " "signed = (boolean) true")
+    );
+
+G_DEFINE_TYPE (RsnAudioDec, rsn_audiodec, GST_TYPE_BIN);
+
+static gboolean rsn_audiodec_set_sink_caps (GstPad * sinkpad, GstCaps * caps);
+static GstCaps *rsn_audiodec_get_sink_caps (GstPad * sinkpad);
+static GstFlowReturn rsn_audiodec_chain (GstPad * pad, GstBuffer * buf);
+static gboolean rsn_audiodec_sink_event (GstPad * pad, GstEvent * event);
+
+static void
+rsn_audiodec_class_init (RsnAudioDecClass * klass)
+{
+  static GstElementDetails element_details = {
+    "RsnAudioDec",
+    "Audio/Decoder",
+    "Resin DVD audio stream decoder",
+    "Jan Schmidt <thaytan@noraisin.net>"
+  };
+  GstElementClass *element_class = GST_ELEMENT_CLASS (klass);
+
+  GST_DEBUG_CATEGORY_INIT (rsn_audiodec_debug, "rsn_audiodec",
+      0, "Resin DVD audio stream decoder");
+
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&src_template));
+  gst_element_class_add_pad_template (element_class,
+      gst_static_pad_template_get (&sink_template));
+
+  gst_element_class_set_details (element_class, &element_details);
+}
+
+static void
+rsn_audiodec_init (RsnAudioDec * self)
+{
+  self->sinkpad = gst_pad_new_from_static_template (&sink_template, "sink");
+  gst_pad_set_setcaps_function (self->sinkpad,
+      GST_DEBUG_FUNCPTR (rsn_audiodec_set_sink_caps));
+  gst_pad_set_getcaps_function (self->sinkpad,
+      GST_DEBUG_FUNCPTR (rsn_audiodec_get_sink_caps));
+  gst_pad_set_chain_function (self->sinkpad,
+      GST_DEBUG_FUNCPTR (rsn_audiodec_chain));
+  gst_pad_set_event_function (self->sinkpad,
+      GST_DEBUG_FUNCPTR (rsn_audiodec_sink_event));
+  gst_element_add_pad (GST_ELEMENT (self), self->sinkpad);
+
+  self->srcpad = gst_pad_new_from_static_template (&src_template, "src");
+
+  gst_element_add_pad (GST_ELEMENT (self), self->srcpad);
+}
+
+static gboolean
+rsn_audiodec_set_sink_caps (GstPad * sinkpad, GstCaps * caps)
+{
+  return FALSE;
+}
+
+static GstCaps *
+rsn_audiodec_get_sink_caps (GstPad * sinkpad)
+{
+  return NULL;
+}
+
+static GstFlowReturn
+rsn_audiodec_chain (GstPad * pad, GstBuffer * buf)
+{
+  return GST_FLOW_ERROR;
+}
+
+static gboolean
+rsn_audiodec_sink_event (GstPad * pad, GstEvent * event)
+{
+  return FALSE;
+}
diff --git a/ext/resindvd/rsnaudiodec.h b/ext/resindvd/rsnaudiodec.h
new file mode 100644
index 00000000..1c08f9f6
--- /dev/null
+++ b/ext/resindvd/rsnaudiodec.h
@@ -0,0 +1,53 @@
+/* GStreamer
+ * Copyright (C) <2009> Jan Schmidt <thaytan@noraisin.net>
+ *
+ * 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 __RSNAUDIODEC_H__
+#define __RSNAUDIODEC_H__
+
+#include <gst/gst.h>
+
+G_BEGIN_DECLS
+
+#define RSN_TYPE_AUDIODEC               (rsn_audiodec_get_type())
+#define RSN_AUDIODEC(obj)               (G_TYPE_CHECK_INSTANCE_CAST((obj),RSN_TYPE_AUDIODEC,RsnAudioMunge))
+#define RSN_AUDIODEC_CLASS(klass)       (G_TYPE_CHECK_CLASS_CAST((klass),RSN_TYPE_AUDIODEC,RsnAudioMungeClass))
+#define RSN_IS_AUDIODEC(obj)            (G_TYPE_CHECK_INSTANCE_TYPE((obj),RSN_TYPE_AUDIODEC))
+#define RSN_IS_AUDIODEC_CLASS(klass)    (G_TYPE_CHECK_CLASS_TYPE((klass),RSN_TYPE_AUDIODEC))
+
+GType           rsn_audiodec_get_type           (void) G_GNUC_CONST;
+
+typedef struct _RsnAudioDec             RsnAudioDec;
+typedef struct _RsnAudioDecClass        RsnAudioDecClass;
+
+struct _RsnAudioDec {
+  GstBin element;
+
+  GstPad *sinkpad;
+  GstPad *srcpad;
+
+  GstElement *cur_dec;
+};
+
+struct _RsnAudioDecClass {
+  GstBinClass parent_class;
+};
+
+G_END_DECLS
+
+#endif /* __RSNAUDIODEC_H__ */