mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-12-27 10:40:34 +00:00
161 lines
4.8 KiB
C
161 lines
4.8 KiB
C
/* 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_EXPORT
|
|
GType gst_stream_get_type (void);
|
|
|
|
#include <gst/gstevent.h>
|
|
|
|
GST_EXPORT
|
|
GstStream *gst_stream_new (const gchar *stream_id,
|
|
GstCaps *caps,
|
|
GstStreamType type,
|
|
GstStreamFlags flags);
|
|
GST_EXPORT
|
|
const gchar * gst_stream_get_stream_id (GstStream *stream);
|
|
|
|
GST_EXPORT
|
|
void gst_stream_set_stream_flags (GstStream *stream, GstStreamFlags flags);
|
|
|
|
GST_EXPORT
|
|
GstStreamFlags gst_stream_get_stream_flags (GstStream *stream);
|
|
|
|
GST_EXPORT
|
|
void gst_stream_set_stream_type (GstStream *stream, GstStreamType stream_type);
|
|
|
|
GST_EXPORT
|
|
GstStreamType gst_stream_get_stream_type (GstStream *stream);
|
|
|
|
GST_EXPORT
|
|
void gst_stream_set_tags (GstStream *stream, GstTagList *tags);
|
|
|
|
GST_EXPORT
|
|
GstTagList * gst_stream_get_tags (GstStream *stream);
|
|
|
|
GST_EXPORT
|
|
void gst_stream_set_caps (GstStream *stream, GstCaps *caps);
|
|
|
|
GST_EXPORT
|
|
GstCaps * gst_stream_get_caps (GstStream *stream);
|
|
|
|
GST_EXPORT
|
|
const gchar * gst_stream_type_get_name (GstStreamType stype);
|
|
|
|
#ifdef G_DEFINE_AUTOPTR_CLEANUP_FUNC
|
|
G_DEFINE_AUTOPTR_CLEANUP_FUNC(GstStream, gst_object_unref)
|
|
#endif
|
|
|
|
G_END_DECLS
|
|
|
|
#endif /* __GST_STREAMS_H__ */
|