gstreamer/ext/timidity/gsttimidity.h
Wouter Paesen b74d9a063f 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)
2007-02-08 15:00:00 +00:00

82 lines
2.4 KiB
C

/*
* 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__ */