gstreamer/gst/playback/gststreaminfo.h
Thomas Vander Stichele 5f83aa7dfa expand tabs
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2005-12-06 19:42:02 +00:00

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C

/* GStreamer
* Copyright (C) <1999> Erik Walthinsen <omega@cse.ogi.edu>
*
* 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 __GST_STREAMINFO_H__
#define __GST_STREAMINFO_H__
#include <gst/gst.h>
G_BEGIN_DECLS
#define GST_TYPE_STREAM_INFO (gst_stream_info_get_type())
#define GST_STREAM_INFO(obj) (G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_STREAM_INFO,GstStreamInfo))
#define GST_STREAM_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_STREAM_INFO,GstStreamInfoClass))
#define GST_IS_STREAM_INFO(obj) (G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_STREAM_INFO))
#define GST_IS_STREAM_INFO_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_STREAM_INFO))
typedef struct _GstStreamInfo GstStreamInfo;
typedef struct _GstStreamInfoClass GstStreamInfoClass;
typedef enum {
GST_STREAM_TYPE_UNKNOWN = 0,
GST_STREAM_TYPE_AUDIO = 1, /* an audio stream */
GST_STREAM_TYPE_VIDEO = 2, /* a video stream */
GST_STREAM_TYPE_TEXT = 3, /* a subtitle/text stream */
GST_STREAM_TYPE_ELEMENT = 4, /* stream handled by an element */
} GstStreamType;
struct _GstStreamInfo {
GObject parent;
GstObject *object; /* pad/element providing/handling this stream */
GstStreamType type; /* the type of the provided stream */
gchar *decoder; /* string describing the decoder */
gboolean mute; /* is the stream muted or not */
GstObject *origin; /* the real object providing this stream, this can
be different from the object as the object can be
a queue pad, inserted for preroll. */
GstCaps *caps; /* the caps of the stream */
/* this is tream information cached here because the streaminfo may be
* created before the app can know about it. */
gchar *langcode,
*codec;
};
struct _GstStreamInfoClass {
GObjectClass parent_class;
/* signals */
void (*muted) (GstStreamInfo *info, gboolean mute);
};
GType gst_stream_info_get_type (void);
GstStreamInfo* gst_stream_info_new (GstObject *object,
GstStreamType type,
const gchar *decoder,
const GstCaps *caps);
gboolean gst_stream_info_set_mute (GstStreamInfo *stream_info,
gboolean mute);
gboolean gst_stream_info_is_mute (GstStreamInfo *stream_info);
G_END_DECLS
#endif /* __GST_STREAMINFO_H__ */