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83 lines
2.4 KiB
C
83 lines
2.4 KiB
C
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/*
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* gsttimdity - timidity plugin for gstreamer
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*
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* Copyright 2007 Wouter Paesen <wouter@blue-gate.be>
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public
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* License along with this library; if not, write to the
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* Free Software Foundation, Inc., 59 Temple Place - Suite 330,
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* Boston, MA 02111-1307, USA.
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*
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* Wrapper element for libtimidity. This element works in pull
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* based mode because that's essentially how libtimidity works.
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* We create a libtimidity stream that operates on the srcpad.
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* The sinkpad is in pull mode.
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*/
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#ifndef __GST_TIMIDITY_H__
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#define __GST_TIMIDITY_H__
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#include <gst/gst.h>
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#include <gst/base/gstadapter.h>
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#include <timidity.h>
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G_BEGIN_DECLS
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#define GST_TYPE_TIMIDITY \
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(gst_timidity_get_type())
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#define GST_TIMIDITY(obj) \
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(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_TIMIDITY,GstTimidity))
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#define GST_TIMIDITY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_TIMIDITY,GstTimidityClass))
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#define GST_IS_TIMIDITY(obj) \
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(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_TIMIDITY))
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#define GST_IS_TIMIDITY_CLASS(klass) \
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(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_TIMIDITY))
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typedef struct _GstTimidity GstTimidity;
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typedef struct _GstTimidityClass GstTimidityClass;
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struct _GstTimidity
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{
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GstElement element;
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GstPad *sinkpad, *srcpad;
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/* input stream properties */
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gint64 mididata_size, mididata_offset;
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gchar *mididata;
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gboolean mididata_filled;
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MidSong *song;
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/* output data */
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gboolean o_new_segment, o_segment_changed, o_seek;
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GstSegment o_segment[1];
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gint64 o_len;
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/* format of the stream */
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MidSongOptions song_options[1];
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gint64 bytes_per_frame;
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GstClockTime time_per_frame;
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GstCaps *out_caps;
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};
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struct _GstTimidityClass
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{
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GstElementClass parent_class;
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};
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GType gst_timidity_get_type (void);
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G_END_DECLS
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#endif /* __GST_TIMIDITY_H__ */
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