/* * gstwildmidi - wildmidi 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., 51 Franklin St, Fifth Floor, * Boston, MA 02110-1301, USA. * * Wrapper element for libtimidity. This element works in pull * based mode because that's essentially how libwildmidi works. * We create a libwildmidi stream that operates on the srcpad. * The sinkpad is in pull mode. */ #ifndef __GST_WILDMIDI_H__ #define __GST_WILDMIDI_H__ #include <gst/gst.h> #include <gst/base/gstadapter.h> #include <wildmidi_lib.h> G_BEGIN_DECLS #define GST_TYPE_WILDMIDI \ (gst_wildmidi_get_type()) #define GST_WILDMIDI(obj) \ (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_WILDMIDI,GstWildmidi)) #define GST_WILDMIDI_CLASS(klass) \ (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_WILDMIDI,GstWildmidiClass)) #define GST_IS_WILDMIDI(obj) \ (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_WILDMIDI)) #define GST_IS_WILDMIDI_CLASS(klass) \ (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_WILDMIDI)) typedef struct _GstWildmidi GstWildmidi; typedef struct _GstWildmidiClass GstWildmidiClass; typedef enum { GST_WILDMIDI_STATE_LOAD, GST_WILDMIDI_STATE_PARSE, GST_WILDMIDI_STATE_PLAY } GstWildmidiState; struct _GstWildmidi { GstElement element; GstPad *sinkpad, *srcpad; /* input stream properties */ GstWildmidiState state; GstAdapter *adapter; midi *song; guint64 offset; /* output data */ gboolean discont; GstSegment o_segment[1]; gint64 o_len; /* format of the stream */ guint bytes_per_frame; /* wildmidi settings */ gboolean high_quality; gboolean linear_volume; }; struct _GstWildmidiClass { GstElementClass parent_class; }; GType gst_wildmidi_get_type (void); G_END_DECLS #endif /* __GST_WILDMIDI_H__ */