Add timitity midi render plugin (#403992)

Original commit message from CVS:
Patch by: Wouter Paesen <wouter@blue-gate.be>
* configure.ac:
* ext/Makefile.am:
* ext/timidity/Makefile.am:
* ext/timidity/gsttimidity.c: (gst_timidity_base_init),
(gst_timidity_class_init), (gst_timidity_init),
(gst_timidity_set_song_options), (gst_timidity_src_convert),
(gst_timidity_src_query), (gst_timidity_get_upstream_size),
(gst_timidity_get_segment), (gst_timidity_get_new_segment_event),
(gst_timidity_src_event), (gst_timidity_activate),
(gst_timidity_activatepull), (gst_timidity_allocate_buffer),
(gst_timidity_clip_buffer), (gst_timidity_fill_buffer),
(gst_timidity_get_buffer), (gst_timidity_loop),
(gst_timidity_change_state), (gst_timidity_typefind),
(plugin_init):
* ext/timidity/gsttimidity.h:
Add timitity midi render plugin (#403992)

1 files changed, 82 insertions, 0 deletions

diff --git a/ext/timidity/gsttimidity.h b/ext/timidity/gsttimidity.h
new file mode 100644
index 00000000..0e58b3b6
--- /dev/null
+++ b/ext/timidity/gsttimidity.h
@@ -0,0 +1,82 @@
+/*
+ * gsttimdity - timidity plugin for gstreamer
+ * 
+ * Copyright 2007 Wouter Paesen <wouter@blue-gate.be>
+ *
+ * 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.
+ *
+ * Wrapper element for libtimidity.  This element works in pull
+ * based mode because that's essentially how libtimidity works. 
+ * We create a libtimidity stream that operates on the srcpad.  
+ * The sinkpad is in pull mode.
+ */
+
+#ifndef __GST_TIMIDITY_H__
+#define __GST_TIMIDITY_H__
+
+#include <gst/gst.h>
+#include <gst/base/gstadapter.h>
+#include <timidity.h>
+
+G_BEGIN_DECLS
+#define GST_TYPE_TIMIDITY \
+  (gst_timidity_get_type())
+#define GST_TIMIDITY(obj) \
+  (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TIMIDITY,GstTimidity))
+#define GST_TIMIDITY_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TIMIDITY,GstTimidityClass))
+#define GST_IS_TIMIDITY(obj) \
+  (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TIMIDITY))
+#define GST_IS_TIMIDITY_CLASS(klass) \
+  (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TIMIDITY))
+typedef struct _GstTimidity GstTimidity;
+typedef struct _GstTimidityClass GstTimidityClass;
+
+struct _GstTimidity
+{
+    GstElement element;
+
+    GstPad *sinkpad, *srcpad;
+
+    /* input stream properties */
+    gint64 mididata_size, mididata_offset;
+    gchar *mididata;
+    gboolean mididata_filled;
+
+    MidSong *song;
+
+    /* output data */
+    gboolean o_new_segment, o_segment_changed, o_seek;
+    GstSegment o_segment[1];
+    gint64 o_len;
+
+    /* format of the stream */
+    MidSongOptions song_options[1];
+    gint64 bytes_per_frame;
+    GstClockTime time_per_frame;
+
+    GstCaps *out_caps;
+};
+
+struct _GstTimidityClass
+{
+    GstElementClass parent_class;
+};
+
+GType gst_timidity_get_type (void);
+
+G_END_DECLS
+#endif /* __GST_TIMIDITY_H__ */