gstreamer/ext/wayland/waylandpool.h

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/* GStreamer Wayland buffer pool
* Copyright (C) 2012 Intel Corporation
* Copyright (C) 2012 Sreerenj Balachandran <sreerenj.balachandran@intel.com>
* Copyright (C) 2014 Collabora Ltd.
*
* 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_WAYLAND_BUFFER_POOL_H__
#define __GST_WAYLAND_BUFFER_POOL_H__
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#include <gst/video/video.h>
#include <gst/video/gstvideometa.h>
#include "wldisplay.h"
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G_BEGIN_DECLS
#define GST_TYPE_WAYLAND_BUFFER_POOL (gst_wayland_buffer_pool_get_type())
#define GST_IS_WAYLAND_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_TYPE ((obj), GST_TYPE_WAYLAND_BUFFER_POOL))
#define GST_WAYLAND_BUFFER_POOL(obj) (G_TYPE_CHECK_INSTANCE_CAST ((obj), GST_TYPE_WAYLAND_BUFFER_POOL, GstWaylandBufferPool))
#define GST_WAYLAND_BUFFER_POOL_CAST(obj) ((GstWaylandBufferPool*)(obj))
typedef struct _GstWaylandBufferPool GstWaylandBufferPool;
typedef struct _GstWaylandBufferPoolClass GstWaylandBufferPoolClass;
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/* buffer meta */
typedef struct _GstWlMeta GstWlMeta;
GType gst_wl_meta_api_get_type (void);
#define GST_WL_META_API_TYPE (gst_wl_meta_api_get_type())
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const GstMetaInfo * gst_wl_meta_get_info (void);
#define GST_WL_META_INFO (gst_wl_meta_get_info())
#define gst_buffer_get_wl_meta(b) ((GstWlMeta*)gst_buffer_get_meta((b),GST_WL_META_API_TYPE))
struct _GstWlMeta {
GstMeta meta;
GstWaylandBufferPool *pool;
struct wl_buffer *wbuffer;
gboolean used_by_compositor;
};
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/* buffer pool */
struct _GstWaylandBufferPool
{
GstBufferPool bufferpool;
GstWlDisplay *display;
/* external configuration */
GstVideoInfo info;
/* allocation data */
struct wl_shm_pool *wl_pool;
size_t size;
size_t used;
void *data;
GMutex buffers_map_mutex;
GHashTable *buffers_map;
};
struct _GstWaylandBufferPoolClass
{
GstBufferPoolClass parent_class;
};
GType gst_wayland_buffer_pool_get_type (void);
GstBufferPool *gst_wayland_buffer_pool_new (GstWlDisplay * display);
void gst_wayland_compositor_acquire_buffer (GstWaylandBufferPool * self,
GstBuffer * buffer);
void gst_wayland_compositor_release_all_buffers (GstWaylandBufferPool * self);
G_END_DECLS
#endif /*__GST_WAYLAND_BUFFER_POOL_H__*/