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/* GStreamer
* Copyright (C) 2015 Centricular Ltd
* @author: Edward Hervey <edward@centricular.com>
* @author: Jan Schmidt <jan@centricular.com>
*
* gststreams.h : Header for GstStream subsystem
*
* 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.
*/
#ifndef __GST_STREAMS_H__
#define __GST_STREAMS_H__
#include <gst/gstobject.h>
G_BEGIN_DECLS
#define GST_TYPE_STREAM (gst_stream_get_type ())
#define GST_IS_STREAM(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_STREAM))
#define GST_IS_STREAM_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass), GST_TYPE_STREAM))
#define GST_STREAM_GET_CLASS(obj) (G_TYPE_INSTANCE_GET_CLASS ((obj), GST_TYPE_STREAM, GstStreamClass))
#define GST_STREAM(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_STREAM, GstStream))
#define GST_STREAM_CLASS(klass) (G_TYPE_CHECK_CLASS_CAST ((klass), GST_TYPE_STREAM, GstStreamClass))
#define GST_STREAM_CAST(obj) ((GstStream*)(obj))
/**
* GstStreamType:
* @GST_STREAM_TYPE_UNKNOWN: The stream is of unknown (unclassified) type.
* @GST_STREAM_TYPE_AUDIO: The stream is of audio data
* @GST_STREAM_TYPE_VIDEO: The stream carries video data
* @GST_STREAM_TYPE_CONTAINER: The stream is a muxed container type
* @GST_STREAM_TYPE_TEXT: The stream contains subtitle / subpicture data.
*
* #GstStreamType describes a high level classification set for
* flows of data in #GstStream objects.
*
* Note that this is a flag, and therefore users should not assume it
* will be a single value. Do not use the equality operator for checking
* whether a stream is of a certain type.
*
* Since: 1.10
*/
typedef enum {
GST_STREAM_TYPE_UNKNOWN = 1 << 0,
GST_STREAM_TYPE_AUDIO = 1 << 1,
GST_STREAM_TYPE_VIDEO = 1 << 2,
GST_STREAM_TYPE_CONTAINER = 1 << 3,
GST_STREAM_TYPE_TEXT = 1 << 4
} GstStreamType;
typedef struct _GstStream GstStream;
typedef struct _GstStreamClass GstStreamClass;
typedef struct _GstStreamPrivate GstStreamPrivate;
/**
* GstStream:
* @stream_id: The Stream Identifier for this #GstStream
*
* A high-level object representing a single stream. It might be backed, or
* not, by an actual flow of data in a pipeline (#GstPad).
*
* A #GstStream does not care about data changes (such as decoding, encoding,
* parsing,...) as long as the underlying data flow corresponds to the same
* high-level flow (ex: a certain audio track).
*
* A #GstStream contains all the information pertinent to a stream, such as
* stream-id, tags, caps, type, ...
*
* Elements can subclass a #GstStream for internal usage (to contain information
* pertinent to streams of data).
*
* Since: 1.10
*/
struct _GstStream {
/*< private >*/
GstObject object;
/*< public >*/
const gchar *stream_id;
/*< private >*/
GstStreamPrivate *priv;
gpointer _gst_reserved[GST_PADDING];
};
/**
* GstStreamClass:
* @parent_class: the parent class structure
*
* GstStream class structure
*/
struct _GstStreamClass {
GstObjectClass parent_class;
/*< private >*/
gpointer _gst_reserved[GST_PADDING];
};
GST_API
GType gst_stream_get_type (void);
#include <gst/gstevent.h>
GST_API
GstStream *gst_stream_new (const gchar *stream_id,
GstCaps *caps,
GstStreamType type,
GstStreamFlags flags);
GST_API
const gchar * gst_stream_get_stream_id (GstStream *stream);
GST_API
void gst_stream_set_stream_flags (GstStream *stream, GstStreamFlags flags);
GST_API
GstStreamFlags gst_stream_get_stream_flags (GstStream *stream);
GST_API
void gst_stream_set_stream_type (GstStream *stream, GstStreamType stream_type);
GST_API
GstStreamType gst_stream_get_stream_type (GstStream *stream);
GST_API
void gst_stream_set_tags (GstStream *stream, GstTagList *tags);
GST_API
GstTagList * gst_stream_get_tags (GstStream *stream);
GST_API
void gst_stream_set_caps (GstStream *stream, GstCaps *caps);
GST_API
GstCaps * gst_stream_get_caps (GstStream *stream);
GST_API
const gchar * gst_stream_type_get_name (GstStreamType stype);
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstStream, gst_object_unref)
G_END_DECLS
#endif /* __GST_STREAMS_H__ */
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