mirror of
https://gitlab.freedesktop.org/gstreamer/gstreamer.git
synced 2024-11-29 05:01:23 +00:00
8bf2acba1d
Otherwise the CapsFeatures will be lost along with the possibility of multiple output types and formats. https://bugzilla.gnome.org/show_bug.cgi?id=738129
114 lines
4.7 KiB
C
114 lines
4.7 KiB
C
/* Generic video aggregator plugin
|
|
* Copyright (C) 2008 Wim Taymans <wim@fluendo.com>
|
|
* Copyright (C) 2010 Sebastian Dröge <sebastian.droege@collabora.co.uk>
|
|
*
|
|
* 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_VIDEO_AGGREGATOR_H__
|
|
#define __GST_VIDEO_AGGREGATOR_H__
|
|
|
|
#ifndef GST_USE_UNSTABLE_API
|
|
#warning "The Video library from gst-plugins-bad is unstable API and may change in future."
|
|
#warning "You can define GST_USE_UNSTABLE_API to avoid this warning."
|
|
#endif
|
|
|
|
#include <gst/gst.h>
|
|
#include <gst/video/video.h>
|
|
#include <gst/base/gstaggregator.h>
|
|
|
|
#include "gstvideoaggregatorpad.h"
|
|
|
|
G_BEGIN_DECLS
|
|
|
|
#define GST_TYPE_VIDEO_AGGREGATOR (gst_videoaggregator_get_type())
|
|
#define GST_VIDEO_AGGREGATOR(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_CAST((obj),GST_TYPE_VIDEO_AGGREGATOR, GstVideoAggregator))
|
|
#define GST_VIDEO_AGGREGATOR_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_CAST((klass),GST_TYPE_VIDEO_AGGREGATOR, GstVideoAggregatorClass))
|
|
#define GST_IS_VIDEO_AGGREGATOR(obj) \
|
|
(G_TYPE_CHECK_INSTANCE_TYPE((obj),GST_TYPE_VIDEO_AGGREGATOR))
|
|
#define GST_IS_VIDEO_AGGREGATOR_CLASS(klass) \
|
|
(G_TYPE_CHECK_CLASS_TYPE((klass),GST_TYPE_VIDEO_AGGREGATOR))
|
|
#define GST_VIDEO_AGGREGATOR_GET_CLASS(obj) \
|
|
(G_TYPE_INSTANCE_GET_CLASS((obj),GST_TYPE_VIDEO_AGGREGATOR,GstVideoAggregatorClass))
|
|
|
|
typedef struct _GstVideoAggregator GstVideoAggregator;
|
|
typedef struct _GstVideoAggregatorClass GstVideoAggregatorClass;
|
|
typedef struct _GstVideoAggregatorPrivate GstVideoAggregatorPrivate;
|
|
|
|
/**
|
|
* GstVideoAggregator:
|
|
* @info: The #GstVideoInfo representing the currently set
|
|
* srcpad caps.
|
|
*/
|
|
struct _GstVideoAggregator
|
|
{
|
|
GstAggregator aggregator;
|
|
|
|
/*< public >*/
|
|
/* Output caps */
|
|
GstVideoInfo info;
|
|
|
|
/* < private > */
|
|
GstVideoAggregatorPrivate *priv;
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
/**
|
|
* GstVideoAggregatorClass:
|
|
* @disable_frame_conversion: Optional.
|
|
* Allows subclasses to disable the frame colorspace
|
|
* conversion feature
|
|
* @update_caps: Optional.
|
|
* Lets subclasses update the #GstCaps representing
|
|
* the src pad caps before usage. Return %NULL to indicate failure.
|
|
* @aggregate_frames: Lets subclasses aggregate frames that are ready. Subclasses
|
|
* should iterate the GstElement.sinkpads and use the already
|
|
* mapped #GstVideoFrame from GstVideoAggregatorPad.aggregated_frame
|
|
* or directly use the #GstBuffer from GstVideoAggregatorPad.buffer
|
|
* if it needs to map the buffer in a special way. The result of the
|
|
* aggregation should land in @outbuffer.
|
|
* @get_output_buffer: Optional.
|
|
* Lets subclasses provide a #GstBuffer to be used as @outbuffer of
|
|
* the #aggregate_frames vmethod.
|
|
* @negotiated_caps: Optional.
|
|
* Notifies subclasses what caps format has been negotiated
|
|
**/
|
|
struct _GstVideoAggregatorClass
|
|
{
|
|
/*< private >*/
|
|
GstAggregatorClass parent_class;
|
|
|
|
/*< public >*/
|
|
gboolean disable_frame_conversion;
|
|
|
|
GstCaps * (*update_caps) (GstVideoAggregator * videoaggregator,
|
|
GstCaps * caps);
|
|
GstFlowReturn (*aggregate_frames) (GstVideoAggregator * videoaggregator,
|
|
GstBuffer * outbuffer);
|
|
GstFlowReturn (*get_output_buffer) (GstVideoAggregator * videoaggregator,
|
|
GstBuffer ** outbuffer);
|
|
gboolean (*negotiated_caps) (GstVideoAggregator * videoaggregator,
|
|
GstCaps * caps);
|
|
/* < private > */
|
|
gpointer _gst_reserved[GST_PADDING];
|
|
};
|
|
|
|
GType gst_videoaggregator_get_type (void);
|
|
|
|
G_END_DECLS
|
|
#endif /* __GST_VIDEO_AGGREGATOR_H__ */
|